diff options
Diffstat (limited to 'src/mesa/swrast')
30 files changed, 1419 insertions, 3204 deletions
diff --git a/src/mesa/swrast/s_aaline.c b/src/mesa/swrast/s_aaline.c index b3a209923f..c81095163b 100644 --- a/src/mesa/swrast/s_aaline.c +++ b/src/mesa/swrast/s_aaline.c @@ -1,8 +1,8 @@ /* * Mesa 3-D graphics library - * Version: 6.1 + * Version: 6.5.3 * - * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), @@ -67,14 +67,14 @@ struct LineInfo GLfloat iPlane[4]; /* DO_SPEC */ GLfloat srPlane[4], sgPlane[4], sbPlane[4]; - /* DO_TEX or DO_MULTITEX */ - GLfloat sPlane[MAX_TEXTURE_COORD_UNITS][4]; - GLfloat tPlane[MAX_TEXTURE_COORD_UNITS][4]; - GLfloat uPlane[MAX_TEXTURE_COORD_UNITS][4]; - GLfloat vPlane[MAX_TEXTURE_COORD_UNITS][4]; - GLfloat lambda[MAX_TEXTURE_COORD_UNITS]; - GLfloat texWidth[MAX_TEXTURE_COORD_UNITS]; - GLfloat texHeight[MAX_TEXTURE_COORD_UNITS]; + /* DO_TEXVAR */ + GLfloat sPlane[FRAG_ATTRIB_MAX][4]; + GLfloat tPlane[FRAG_ATTRIB_MAX][4]; + GLfloat uPlane[FRAG_ATTRIB_MAX][4]; + GLfloat vPlane[FRAG_ATTRIB_MAX][4]; + GLfloat lambda[FRAG_ATTRIB_MAX]; + GLfloat texWidth[FRAG_ATTRIB_MAX]; + GLfloat texHeight[FRAG_ATTRIB_MAX]; SWspan span; }; @@ -499,15 +499,7 @@ segment(GLcontext *ctx, #define DO_Z #define DO_FOG #define DO_RGBA -#define DO_TEX -#include "s_aalinetemp.h" - - -#define NAME(x) aa_multitex_rgba_##x -#define DO_Z -#define DO_FOG -#define DO_RGBA -#define DO_MULTITEX +#define DO_TEXVAR #include "s_aalinetemp.h" @@ -515,7 +507,7 @@ segment(GLcontext *ctx, #define DO_Z #define DO_FOG #define DO_RGBA -#define DO_MULTITEX +#define DO_TEXVAR #define DO_SPEC #include "s_aalinetemp.h" @@ -530,18 +522,15 @@ _swrast_choose_aa_line_function(GLcontext *ctx) if (ctx->Visual.rgbMode) { /* RGBA */ - if (ctx->Texture._EnabledCoordUnits != 0) { - if (ctx->Texture._EnabledCoordUnits > 1) { - /* Multitextured! */ - if (ctx->Light.Model.ColorControl==GL_SEPARATE_SPECULAR_COLOR || - ctx->Fog.ColorSumEnabled) - swrast->Line = aa_multitex_spec_line; - else - swrast->Line = aa_multitex_rgba_line; - } - else { + if (ctx->Texture._EnabledCoordUnits != 0 + || ctx->FragmentProgram._Current) { + + if (ctx->Light.Model.ColorControl==GL_SEPARATE_SPECULAR_COLOR || + ctx->Fog.ColorSumEnabled) + swrast->Line = aa_multitex_spec_line; + else swrast->Line = aa_tex_rgba_line; - } + } else { swrast->Line = aa_rgba_line; diff --git a/src/mesa/swrast/s_aalinetemp.h b/src/mesa/swrast/s_aalinetemp.h index 34c95fc34e..4d33b7dff7 100644 --- a/src/mesa/swrast/s_aalinetemp.h +++ b/src/mesa/swrast/s_aalinetemp.h @@ -1,8 +1,8 @@ /* * Mesa 3-D graphics library - * Version: 6.5 + * Version: 6.5.3 * - * Copyright (C) 1999-2005 Brian Paul All Rights Reserved. + * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), @@ -36,6 +36,7 @@ static void NAME(plot)(GLcontext *ctx, struct LineInfo *line, int ix, int iy) { + const SWcontext *swrast = SWRAST_CONTEXT(ctx); const GLfloat fx = (GLfloat) ix; const GLfloat fy = (GLfloat) iy; #ifdef DO_INDEX @@ -45,6 +46,8 @@ NAME(plot)(GLcontext *ctx, struct LineInfo *line, int ix, int iy) #endif const GLuint i = line->span.end; + (void) swrast; + if (coverage == 0.0) return; @@ -61,7 +64,7 @@ NAME(plot)(GLcontext *ctx, struct LineInfo *line, int ix, int iy) line->span.array->z[i] = (GLuint) solve_plane(fx, fy, line->zPlane); #endif #ifdef DO_FOG - line->span.array->fog[i] = solve_plane(fx, fy, line->fPlane); + line->span.array->attribs[FRAG_ATTRIB_FOGC][i][0] = solve_plane(fx, fy, line->fPlane); #endif #ifdef DO_RGBA line->span.array->rgba[i][RCOMP] = solve_plane_chan(fx, fy, line->rPlane); @@ -77,41 +80,29 @@ NAME(plot)(GLcontext *ctx, struct LineInfo *line, int ix, int iy) line->span.array->spec[i][GCOMP] = solve_plane_chan(fx, fy, line->sgPlane); line->span.array->spec[i][BCOMP] = solve_plane_chan(fx, fy, line->sbPlane); #endif -#ifdef DO_TEX - { - GLfloat invQ; - if (ctx->FragmentProgram._Active) { - invQ = 1.0F; - } - else { - invQ = solve_plane_recip(fx, fy, line->vPlane[0]); - } - line->span.array->texcoords[0][i][0] = solve_plane(fx, fy, line->sPlane[0]) * invQ; - line->span.array->texcoords[0][i][1] = solve_plane(fx, fy, line->tPlane[0]) * invQ; - line->span.array->texcoords[0][i][2] = solve_plane(fx, fy, line->uPlane[0]) * invQ; - line->span.array->lambda[0][i] = compute_lambda(line->sPlane[0], - line->tPlane[0], invQ, - line->texWidth[0], - line->texHeight[0]); - } -#elif defined(DO_MULTITEX) +#if defined(DO_TEXVAR) { - GLuint unit; - for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) { - if (ctx->Texture.Unit[unit]._ReallyEnabled) { + GLuint attr; + for (attr = swrast->_MinFragmentAttrib; attr < swrast->_MaxFragmentAttrib; attr++) { + if (swrast->_FragmentAttribs & (1 << attr)) { + GLfloat (*attribArray)[4] = line->span.array->attribs[attr]; GLfloat invQ; - if (ctx->FragmentProgram._Active) { + if (ctx->FragmentProgram._Current) { invQ = 1.0F; } else { - invQ = solve_plane_recip(fx, fy, line->vPlane[unit]); + invQ = solve_plane_recip(fx, fy, line->vPlane[attr]); + } + attribArray[i][0] = solve_plane(fx, fy, line->sPlane[attr]) * invQ; + attribArray[i][1] = solve_plane(fx, fy, line->tPlane[attr]) * invQ; + attribArray[i][2] = solve_plane(fx, fy, line->uPlane[attr]) * invQ; + if (attr < FRAG_ATTRIB_VAR0) { + const GLuint unit = attr - FRAG_ATTRIB_TEX0; + line->span.array->lambda[unit][i] + = compute_lambda(line->sPlane[attr], + line->tPlane[attr], invQ, + line->texWidth[attr], line->texHeight[attr]); } - line->span.array->texcoords[unit][i][0] = solve_plane(fx, fy, line->sPlane[unit]) * invQ; - line->span.array->texcoords[unit][i][1] = solve_plane(fx, fy, line->tPlane[unit]) * invQ; - line->span.array->texcoords[unit][i][2] = solve_plane(fx, fy, line->uPlane[unit]) * invQ; - line->span.array->lambda[unit][i] = compute_lambda(line->sPlane[unit], - line->tPlane[unit], invQ, - line->texWidth[unit], line->texHeight[unit]); } } } @@ -214,52 +205,33 @@ NAME(line)(GLcontext *ctx, const SWvertex *v0, const SWvertex *v1) constant_plane(v1->index, line.iPlane); } #endif -#ifdef DO_TEX +#if defined(DO_TEXVAR) { - const struct gl_texture_object *obj = ctx->Texture.Unit[0]._Current; - const struct gl_texture_image *texImage = obj->Image[0][obj->BaseLevel]; + GLuint attr; const GLfloat invW0 = v0->win[3]; const GLfloat invW1 = v1->win[3]; - const GLfloat s0 = v0->texcoord[0][0] * invW0; - const GLfloat s1 = v1->texcoord[0][0] * invW1; - const GLfloat t0 = v0->texcoord[0][1] * invW0; - const GLfloat t1 = v1->texcoord[0][1] * invW1; - const GLfloat r0 = v0->texcoord[0][2] * invW0; - const GLfloat r1 = v1->texcoord[0][2] * invW1; - const GLfloat q0 = v0->texcoord[0][3] * invW0; - const GLfloat q1 = v1->texcoord[0][3] * invW1; - line.span.arrayMask |= (SPAN_TEXTURE | SPAN_LAMBDA); - compute_plane(line.x0, line.y0, line.x1, line.y1, s0, s1, line.sPlane[0]); - compute_plane(line.x0, line.y0, line.x1, line.y1, t0, t1, line.tPlane[0]); - compute_plane(line.x0, line.y0, line.x1, line.y1, r0, r1, line.uPlane[0]); - compute_plane(line.x0, line.y0, line.x1, line.y1, q0, q1, line.vPlane[0]); - line.texWidth[0] = (GLfloat) texImage->Width; - line.texHeight[0] = (GLfloat) texImage->Height; - } -#elif defined(DO_MULTITEX) - { - GLuint u; - line.span.arrayMask |= (SPAN_TEXTURE | SPAN_LAMBDA); - for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { - if (ctx->Texture.Unit[u]._ReallyEnabled) { - const struct gl_texture_object *obj = ctx->Texture.Unit[u]._Current; - const struct gl_texture_image *texImage = obj->Image[0][obj->BaseLevel]; - const GLfloat invW0 = v0->win[3]; - const GLfloat invW1 = v1->win[3]; - const GLfloat s0 = v0->texcoord[u][0] * invW0; - const GLfloat s1 = v1->texcoord[u][0] * invW1; - const GLfloat t0 = v0->texcoord[u][1] * invW0; - const GLfloat t1 = v1->texcoord[u][1] * invW1; - const GLfloat r0 = v0->texcoord[u][2] * invW0; - const GLfloat r1 = v1->texcoord[u][2] * invW1; - const GLfloat q0 = v0->texcoord[u][3] * invW0; - const GLfloat q1 = v1->texcoord[u][3] * invW1; - compute_plane(line.x0, line.y0, line.x1, line.y1, s0, s1, line.sPlane[u]); - compute_plane(line.x0, line.y0, line.x1, line.y1, t0, t1, line.tPlane[u]); - compute_plane(line.x0, line.y0, line.x1, line.y1, r0, r1, line.uPlane[u]); - compute_plane(line.x0, line.y0, line.x1, line.y1, q0, q1, line.vPlane[u]); - line.texWidth[u] = (GLfloat) texImage->Width; - line.texHeight[u] = (GLfloat) texImage->Height; + line.span.arrayMask |= (SPAN_TEXTURE | SPAN_LAMBDA | SPAN_VARYING); + for (attr = swrast->_MinFragmentAttrib; attr < swrast->_MaxFragmentAttrib; attr++) { + if (swrast->_FragmentAttribs & (1 << attr)) { + const GLfloat s0 = v0->attrib[attr][0] * invW0; + const GLfloat s1 = v1->attrib[attr][0] * invW1; + const GLfloat t0 = v0->attrib[attr][1] * invW0; + const GLfloat t1 = v1->attrib[attr][1] * invW1; + const GLfloat r0 = v0->attrib[attr][2] * invW0; + const GLfloat r1 = v1->attrib[attr][2] * invW1; + const GLfloat q0 = v0->attrib[attr][3] * invW0; + const GLfloat q1 = v1->attrib[attr][3] * invW1; + compute_plane(line.x0, line.y0, line.x1, line.y1, s0, s1, line.sPlane[attr]); + compute_plane(line.x0, line.y0, line.x1, line.y1, t0, t1, line.tPlane[attr]); + compute_plane(line.x0, line.y0, line.x1, line.y1, r0, r1, line.uPlane[attr]); + compute_plane(line.x0, line.y0, line.x1, line.y1, q0, q1, line.vPlane[attr]); + if (attr < FRAG_ATTRIB_VAR0) { + const GLuint u = attr - FRAG_ATTRIB_TEX0; + const struct gl_texture_object *obj = ctx->Texture.Unit[u]._Current; + const struct gl_texture_image *texImage = obj->Image[0][obj->BaseLevel]; + line.texWidth[attr] = (GLfloat) texImage->Width; + line.texHeight[attr] = (GLfloat) texImage->Height; + } } } } @@ -324,6 +296,5 @@ NAME(line)(GLcontext *ctx, const SWvertex *v0, const SWvertex *v1) #undef DO_RGBA #undef DO_INDEX #undef DO_SPEC -#undef DO_TEX -#undef DO_MULTITEX +#undef DO_TEXVAR #undef NAME diff --git a/src/mesa/swrast/s_aatriangle.c b/src/mesa/swrast/s_aatriangle.c index 63a13cf3fb..5e3059af93 100644 --- a/src/mesa/swrast/s_aatriangle.c +++ b/src/mesa/swrast/s_aatriangle.c @@ -1,8 +1,8 @@ /* * Mesa 3-D graphics library - * Version: 6.3 + * Version: 6.5.3 * - * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. + * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), @@ -408,7 +408,7 @@ tex_aa_tri(GLcontext *ctx, #define DO_Z #define DO_FOG #define DO_RGBA -#define DO_TEX +#define DO_TEXVAR #include "s_aatritemp.h" } @@ -422,39 +422,12 @@ spec_tex_aa_tri(GLcontext *ctx, #define DO_Z #define DO_FOG #define DO_RGBA -#define DO_TEX +#define DO_TEXVAR #define DO_SPEC #include "s_aatritemp.h" } -static void -multitex_aa_tri(GLcontext *ctx, - const SWvertex *v0, - const SWvertex *v1, - const SWvertex *v2) -{ -#define DO_Z -#define DO_FOG -#define DO_RGBA -#define DO_MULTITEX -#include "s_aatritemp.h" -} - -static void -spec_multitex_aa_tri(GLcontext *ctx, - const SWvertex *v0, - const SWvertex *v1, - const SWvertex *v2) -{ -#define DO_Z -#define DO_FOG -#define DO_RGBA -#define DO_MULTITEX -#define DO_SPEC -#include "s_aatritemp.h" -} - /* * Examine GL state and set swrast->Triangle to an @@ -465,22 +438,13 @@ _swrast_set_aa_triangle_function(GLcontext *ctx) { ASSERT(ctx->Polygon.SmoothFlag); - if (ctx->Texture._EnabledCoordUnits != 0) { + if (ctx->Texture._EnabledCoordUnits != 0 + || ctx->FragmentProgram._Current) { if (NEED_SECONDARY_COLOR(ctx)) { - if (ctx->Texture._EnabledCoordUnits > 1) { - SWRAST_CONTEXT(ctx)->Triangle = spec_multitex_aa_tri; - } - else { - SWRAST_CONTEXT(ctx)->Triangle = spec_tex_aa_tri; - } + SWRAST_CONTEXT(ctx)->Triangle = spec_tex_aa_tri; } else { - if (ctx->Texture._EnabledCoordUnits > 1) { - SWRAST_CONTEXT(ctx)->Triangle = multitex_aa_tri; - } - else { - SWRAST_CONTEXT(ctx)->Triangle = tex_aa_tri; - } + SWRAST_CONTEXT(ctx)->Triangle = tex_aa_tri; } } else if (ctx->Visual.rgbMode) { diff --git a/src/mesa/swrast/s_aatritemp.h b/src/mesa/swrast/s_aatritemp.h index b5470a0298..bbf9cc611d 100644 --- a/src/mesa/swrast/s_aatritemp.h +++ b/src/mesa/swrast/s_aatritemp.h @@ -1,8 +1,8 @@ /* * Mesa 3-D graphics library - * Version: 6.5 + * Version: 6.5.3 * - * Copyright (C) 1999-2005 Brian Paul All Rights Reserved. + * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), @@ -36,12 +36,12 @@ * DO_RGBA - if defined, compute RGBA values * DO_INDEX - if defined, compute color index values * DO_SPEC - if defined, compute specular RGB values - * DO_TEX - if defined, compute unit 0 STRQ texcoords - * DO_MULTITEX - if defined, compute all unit's STRQ texcoords + * DO_TEXVAR - if defined, compute texcoords, varying */ /*void triangle( GLcontext *ctx, GLuint v0, GLuint v1, GLuint v2, GLuint pv )*/ { + const SWcontext *swrast = SWRAST_CONTEXT(ctx); const GLfloat *p0 = v0->win; const GLfloat *p1 = v1->win; const GLfloat *p2 = v2->win; @@ -70,20 +70,18 @@ #ifdef DO_SPEC GLfloat srPlane[4], sgPlane[4], sbPlane[4]; #endif -#ifdef DO_TEX - GLfloat sPlane[4], tPlane[4], uPlane[4], vPlane[4]; - GLfloat texWidth, texHeight; -#elif defined(DO_MULTITEX) - GLfloat sPlane[MAX_TEXTURE_COORD_UNITS][4]; /* texture S */ - GLfloat tPlane[MAX_TEXTURE_COORD_UNITS][4]; /* texture T */ - GLfloat uPlane[MAX_TEXTURE_COORD_UNITS][4]; /* texture R */ - GLfloat vPlane[MAX_TEXTURE_COORD_UNITS][4]; /* texture Q */ - GLfloat texWidth[MAX_TEXTURE_COORD_UNITS]; - GLfloat texHeight[MAX_TEXTURE_COORD_UNITS]; +#if defined(DO_TEXVAR) + GLfloat sPlane[FRAG_ATTRIB_MAX][4]; /* texture S */ + GLfloat tPlane[FRAG_ATTRIB_MAX][4]; /* texture T */ + GLfloat uPlane[FRAG_ATTRIB_MAX][4]; /* texture R */ + GLfloat vPlane[FRAG_ATTRIB_MAX][4]; /* texture Q */ + GLfloat texWidth[FRAG_ATTRIB_MAX]; + GLfloat texHeight[FRAG_ATTRIB_MAX]; #endif GLfloat bf = SWRAST_CONTEXT(ctx)->_BackfaceSign; - + (void) swrast; + INIT_SPAN(span, GL_POLYGON, 0, 0, SPAN_COVERAGE); /* determine bottom to top order of vertices */ @@ -179,65 +177,44 @@ } span.arrayMask |= SPAN_SPEC; #endif -#ifdef DO_TEX +#if defined(DO_TEXVAR) { - const struct gl_texture_object *obj = ctx->Texture.Unit[0]._Current; - const struct gl_texture_image *texImage = obj->Image[0][obj->BaseLevel]; + GLuint attr; const GLfloat invW0 = v0->win[3]; const GLfloat invW1 = v1->win[3]; const GLfloat invW2 = v2->win[3]; - const GLfloat s0 = v0->texcoord[0][0] * invW0; - const GLfloat s1 = v1->texcoord[0][0] * invW1; - const GLfloat s2 = v2->texcoord[0][0] * invW2; - const GLfloat t0 = v0->texcoord[0][1] * invW0; - const GLfloat t1 = v1->texcoord[0][1] * invW1; - const GLfloat t2 = v2->texcoord[0][1] * invW2; - const GLfloat r0 = v0->texcoord[0][2] * invW0; - const GLfloat r1 = v1->texcoord[0][2] * invW1; - const GLfloat r2 = v2->texcoord[0][2] * invW2; - const GLfloat q0 = v0->texcoord[0][3] * invW0; - const GLfloat q1 = v1->texcoord[0][3] * invW1; - const GLfloat q2 = v2->texcoord[0][3] * invW2; - compute_plane(p0, p1, p2, s0, s1, s2, sPlane); - compute_plane(p0, p1, p2, t0, t1, t2, tPlane); - compute_plane(p0, p1, p2, r0, r1, r2, uPlane); - compute_plane(p0, p1, p2, q0, q1, q2, vPlane); - texWidth = (GLfloat) texImage->Width; - texHeight = (GLfloat) texImage->Height; - } - span.arrayMask |= (SPAN_TEXTURE | SPAN_LAMBDA); -#elif defined(DO_MULTITEX) - { - GLuint u; - for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { - if (ctx->Texture.Unit[u]._ReallyEnabled) { - const struct gl_texture_object *obj = ctx->Texture.Unit[u]._Current; - const struct gl_texture_image *texImage = obj->Image[0][obj->BaseLevel]; - const GLfloat invW0 = v0->win[3]; - const GLfloat invW1 = v1->win[3]; - const GLfloat invW2 = v2->win[3]; - const GLfloat s0 = v0->texcoord[u][0] * invW0; - const GLfloat s1 = v1->texcoord[u][0] * invW1; - const GLfloat s2 = v2->texcoord[u][0] * invW2; - const GLfloat t0 = v0->texcoord[u][1] * invW0; - const GLfloat t1 = v1->texcoord[u][1] * invW1; - const GLfloat t2 = v2->texcoord[u][1] * invW2; - const GLfloat r0 = v0->texcoord[u][2] * invW0; - const GLfloat r1 = v1->texcoord[u][2] * invW1; - const GLfloat r2 = v2->texcoord[u][2] * invW2; - const GLfloat q0 = v0->texcoord[u][3] * invW0; - const GLfloat q1 = v1->texcoord[u][3] * invW1; - const GLfloat q2 = v2->texcoord[u][3] * invW2; - compute_plane(p0, p1, p2, s0, s1, s2, sPlane[u]); - compute_plane(p0, p1, p2, t0, t1, t2, tPlane[u]); - compute_plane(p0, p1, p2, r0, r1, r2, uPlane[u]); - compute_plane(p0, p1, p2, q0, q1, q2, vPlane[u]); - texWidth[u] = (GLfloat) texImage->Width; - texHeight[u] = (GLfloat) texImage->Height; + for (attr = swrast->_MinFragmentAttrib; attr < swrast->_MaxFragmentAttrib; attr++) { + if (swrast->_FragmentAttribs & (1 << attr)) { + const GLfloat s0 = v0->attrib[attr][0] * invW0; + const GLfloat s1 = v1->attrib[attr][0] * invW1; + const GLfloat s2 = v2->attrib[attr][0] * invW2; + const GLfloat t0 = v0->attrib[attr][1] * invW0; + const GLfloat t1 = v1->attrib[attr][1] * invW1; + const GLfloat t2 = v2->attrib[attr][1] * invW2; + const GLfloat r0 = v0->attrib[attr][2] * invW0; + const GLfloat r1 = v1->attrib[attr][2] * invW1; + const GLfloat r2 = v2->attrib[attr][2] * invW2; + const GLfloat q0 = v0->attrib[attr][3] * invW0; + const GLfloat q1 = v1->attrib[attr][3] * invW1; + const GLfloat q2 = v2->attrib[attr][3] * invW2; + compute_plane(p0, p1, p2, s0, s1, s2, sPlane[attr]); + compute_plane(p0, p1, p2, t0, t1, t2, tPlane[attr]); + compute_plane(p0, p1, p2, r0, r1, r2, uPlane[attr]); + compute_plane(p0, p1, p2, q0, q1, q2, vPlane[attr]); + if (attr < FRAG_ATTRIB_VAR0) { + const GLuint u = attr - FRAG_ATTRIB_TEX0; + const struct gl_texture_object *obj = ctx->Texture.Unit[u]._Current; + const struct gl_texture_image *texImage = obj->Image[0][obj->BaseLevel]; + texWidth[attr] = (GLfloat) texImage->Width; + texHeight[attr] = (GLfloat) texImage->Height; + } + else { + texWidth[attr] = texHeight[attr] = 1.0; + } } } } - span.arrayMask |= (SPAN_TEXTURE | SPAN_LAMBDA); + span.arrayMask |= (SPAN_TEXTURE | SPAN_LAMBDA | SPAN_VARYING); #endif /* Begin bottom-to-top scan over the triangle. @@ -289,7 +266,7 @@ array->z[count] = (GLuint) solve_plane(cx, cy, zPlane); #endif #ifdef DO_FOG - array->fog[count] = solve_plane(cx, cy, fogPlane); + array->attribs[FRAG_ATTRIB_FOGC][count][0] = solve_plane(cx, cy, fogPlane); #endif #ifdef DO_RGBA array->rgba[count][RCOMP] = solve_plane_chan(cx, cy, rPlane); @@ -305,28 +282,21 @@ array->spec[count][GCOMP] = solve_plane_chan(cx, cy, sgPlane); array->spec[count][BCOMP] = solve_plane_chan(cx, cy, sbPlane); #endif -#ifdef DO_TEX +#if defined(DO_TEXVAR) { - const GLfloat invQ = solve_plane_recip(cx, cy, vPlane); - array->texcoords[0][count][0] = solve_plane(cx, cy, sPlane) * invQ; - array->texcoords[0][count][1] = solve_plane(cx, cy, tPlane) * invQ; - array->texcoords[0][count][2] = solve_plane(cx, cy, uPlane) * invQ; - array->lambda[0][count] = compute_lambda(sPlane, tPlane, vPlane, - cx, cy, invQ, - texWidth, texHeight); - } -#elif defined(DO_MULTITEX) - { - GLuint unit; - for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) { - if (ctx->Texture.Unit[unit]._ReallyEnabled) { - GLfloat invQ = solve_plane_recip(cx, cy, vPlane[unit]); - array->texcoords[unit][count][0] = solve_plane(cx, cy, sPlane[unit]) * invQ; - array->texcoords[unit][count][1] = solve_plane(cx, cy, tPlane[unit]) * invQ; - array->texcoords[unit][count][2] = solve_plane(cx, cy, uPlane[unit]) * invQ; - array->lambda[unit][count] = compute_lambda(sPlane[unit], - tPlane[unit], vPlane[unit], cx, cy, invQ, - texWidth[unit], texHeight[unit]); + GLuint attr; + for (attr = swrast->_MinFragmentAttrib; attr < swrast->_MaxFragmentAttrib; attr++) { + if (swrast->_FragmentAttribs & (1 << attr)) { + GLfloat invQ = solve_plane_recip(cx, cy, vPlane[attr]); + array->attribs[attr][count][0] = solve_plane(cx, cy, sPlane[attr]) * invQ; + array->attribs[attr][count][1] = solve_plane(cx, cy, tPlane[attr]) * invQ; + array->attribs[attr][count][2] = solve_plane(cx, cy, uPlane[attr]) * invQ; + if (attr < FRAG_ATTRIB_VAR0) { + const GLuint unit = attr - FRAG_ATTRIB_TEX0; + array->lambda[unit][count] = compute_lambda(sPlane[attr], tPlane[attr], + vPlane[attr], cx, cy, invQ, + texWidth[attr], texHeight[attr]); + } } } } @@ -393,7 +363,7 @@ array->z[ix] = (GLuint) solve_plane(cx, cy, zPlane); #endif #ifdef DO_FOG - array->fog[ix] = solve_plane(cx, cy, fogPlane); + array->attribs[FRAG_ATTRIB_FOGC][ix][0] = solve_plane(cx, cy, fogPlane); #endif #ifdef DO_RGBA array->rgba[ix][RCOMP] = solve_plane_chan(cx, cy, rPlane); @@ -409,30 +379,24 @@ array->spec[ix][GCOMP] = solve_plane_chan(cx, cy, sgPlane); array->spec[ix][BCOMP] = solve_plane_chan(cx, cy, sbPlane); #endif -#ifdef DO_TEX - { - const GLfloat invQ = solve_plane_recip(cx, cy, vPlane); - array->texcoords[0][ix][0] = solve_plane(cx, cy, sPlane) * invQ; - array->texcoords[0][ix][1] = solve_plane(cx, cy, tPlane) * invQ; - array->texcoords[0][ix][2] = solve_plane(cx, cy, uPlane) * invQ; - array->lambda[0][ix] = compute_lambda(sPlane, tPlane, vPlane, - cx, cy, invQ, texWidth, texHeight); - } -#elif defined(DO_MULTITEX) +#if defined(DO_TEXVAR) { - GLuint unit; - for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) { - if (ctx->Texture.Unit[unit]._ReallyEnabled) { - GLfloat invQ = solve_plane_recip(cx, cy, vPlane[unit]); - array->texcoords[unit][ix][0] = solve_plane(cx, cy, sPlane[unit]) * invQ; - array->texcoords[unit][ix][1] = solve_plane(cx, cy, tPlane[unit]) * invQ; - array->texcoords[unit][ix][2] = solve_plane(cx, cy, uPlane[unit]) * invQ; - array->lambda[unit][ix] = compute_lambda(sPlane[unit], - tPlane[unit], - vPlane[unit], - cx, cy, invQ, - texWidth[unit], - texHeight[unit]); + GLuint attr; + for (attr = swrast->_MinFragmentAttrib; attr < swrast->_MaxFragmentAttrib; attr++) { + if (swrast->_FragmentAttribs & (1 << attr)) { + GLfloat invQ = solve_plane_recip(cx, cy, vPlane[attr]); + array->attribs[attr][ix][0] = solve_plane(cx, cy, sPlane[attr]) * invQ; + array->attribs[attr][ix][1] = solve_plane(cx, cy, tPlane[attr]) * invQ; + array->attribs[attr][ix][2] = solve_plane(cx, cy, uPlane[attr]) * invQ; + if (attr < FRAG_ATTRIB_VAR0) { + const GLuint unit = attr - FRAG_ATTRIB_TEX0; + array->lambda[unit][ix] = compute_lambda(sPlane[attr], + tPlane[attr], + vPlane[attr], + cx, cy, invQ, + texWidth[attr], + texHeight[attr]); + } } } } @@ -468,30 +432,28 @@ array->z[j] = array->z[j + left]; #endif #ifdef DO_FOG - array->fog[j] = array->fog[j + left]; + array->attribs[FRAG_ATTRIB_FOGC][j][0] + = array->attribs[FRAG_ATTRIB_FOGC][j + left][0]; #endif -#ifdef DO_TEX - COPY_4V(array->texcoords[0][j], array->texcoords[0][j + left]); -#endif -#if defined(DO_MULTITEX) || defined(DO_TEX) +#if defined(DO_TEXVAR) array->lambda[0][j] = array->lambda[0][j + left]; #endif array->coverage[j] = array->coverage[j + left]; } } -#ifdef DO_MULTITEX - /* shift texcoords */ +#ifdef DO_TEXVAR + /* shift texcoords, varying */ { SWspanarrays *array = span.array; - GLuint unit; - for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) { - if (ctx->Texture.Unit[unit]._ReallyEnabled) { + GLuint attr; + for (attr = swrast->_MinFragmentAttrib; attr < swrast->_MaxFragmentAttrib; attr++) { + if (swrast->_FragmentAttribs & (1 << attr)) { GLint j; for (j = 0; j < (GLint) n; j++) { - array->texcoords[unit][j][0] = array->texcoords[unit][j + left][0]; - array->texcoords[unit][j][1] = array->texcoords[unit][j + left][1]; - array->texcoords[unit][j][2] = array->texcoords[unit][j + left][2]; - array->lambda[unit][j] = array->lambda[unit][j + left]; + array->attribs[attr][j][0] = array->attribs[attr][j + left][0]; + array->attribs[attr][j][1] = array->attribs[attr][j + left][1]; + array->attribs[attr][j][2] = array->attribs[attr][j + left][2]; + /*array->lambda[unit][j] = array->lambda[unit][j + left];*/ } } } @@ -532,12 +494,8 @@ #undef DO_SPEC #endif -#ifdef DO_TEX -#undef DO_TEX -#endif - -#ifdef DO_MULTITEX -#undef DO_MULTITEX +#ifdef DO_TEXVAR +#undef DO_TEXVAR #endif #ifdef DO_OCCLUSION_TEST diff --git a/src/mesa/swrast/s_alpha.c b/src/mesa/swrast/s_alpha.c index 87a016512c..af8a6baddc 100644 --- a/src/mesa/swrast/s_alpha.c +++ b/src/mesa/swrast/s_alpha.c @@ -123,7 +123,7 @@ _swrast_alpha_test(const GLcontext *ctx, SWspan *span) ALPHA_TEST(rgba[i][ACOMP], ;); } else { - GLfloat (*rgba)[4] = span->array->color.sz4.rgba; + GLfloat (*rgba)[4] = span->array->attribs[FRAG_ATTRIB_COL0]; const GLfloat ref = ctx->Color.AlphaRef; ALPHA_TEST(rgba[i][ACOMP], ;); } diff --git a/src/mesa/swrast/s_arbshader.c b/src/mesa/swrast/s_arbshader.c deleted file mode 100644 index 356e43c819..0000000000 --- a/src/mesa/swrast/s_arbshader.c +++ /dev/null @@ -1,126 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 6.5.3 - * - * Copyright (C) 2006 Brian Paul All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN - * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - * Authors: - * Michal Krol - */ - -#include "glheader.h" -#include "context.h" -#include "colormac.h" -#include "s_arbshader.h" -#include "s_context.h" -#include "shaderobjects.h" -#include "shaderobjects_3dlabs.h" -#include "slang_utility.h" -#include "slang_link.h" - -#if FEATURE_ARB_fragment_shader - -void -_swrast_exec_arbshader(GLcontext *ctx, SWspan *span) -{ - struct gl2_program_intf **pro; - GLuint i; - - ASSERT(span->array->ChanType == GL_FLOAT); - - if (!ctx->ShaderObjects._FragmentShaderPresent) - return; - - pro = ctx->ShaderObjects.CurrentProgram; - if (!ctx->ShaderObjects._VertexShaderPresent) - (**pro).UpdateFixedUniforms(pro); - - for (i = span->start; i < span->end; i++) { - /* only run shader on active fragments */ - if (span->array->mask[i]) { - GLfloat vec[4]; - GLuint j; - GLboolean discard; - - /* - * Load input attributes - */ - vec[0] = (GLfloat) span->x + i; - vec[1] = (GLfloat) span->y; - vec[2] = (GLfloat) span->array->z[i] / ctx->DrawBuffer->_DepthMaxF; - vec[3] = span->w + span->dwdx * i; - (**pro).UpdateFixedVarying(pro, SLANG_FRAGMENT_FIXED_FRAGCOORD, vec, - 0, 4 * sizeof(GLfloat), GL_TRUE); - - (**pro).UpdateFixedVarying(pro, SLANG_FRAGMENT_FIXED_COLOR, - span->array->color.sz4.rgba[i], - 0, 4 * sizeof(GLfloat), GL_TRUE); - - (**pro).UpdateFixedVarying(pro, SLANG_FRAGMENT_FIXED_SECONDARYCOLOR, - span->array->color.sz4.spec[i], - 0, 4 * sizeof(GLfloat), GL_TRUE); - - for (j = 0; j < ctx->Const.MaxTextureCoordUnits; j++) { - (**pro).UpdateFixedVarying(pro, SLANG_FRAGMENT_FIXED_TEXCOORD, - span->array->texcoords[j][i], - j, 4 * sizeof(GLfloat), GL_TRUE); - } - - for (j = 0; j < MAX_VARYING_VECTORS; j++) { - GLuint k; - for (k = 0; k < VARYINGS_PER_VECTOR; k++) { - (**pro).UpdateVarying(pro, j * VARYINGS_PER_VECTOR + k, - &span->array->varying[i][j][k], - GL_FALSE); - } - } - - _slang_exec_fragment_shader(pro); - - /* - * Store results - */ - _slang_fetch_discard(pro, &discard); - if (discard) { - span->array->mask[i] = GL_FALSE; - span->writeAll = GL_FALSE; - } - else { - GLboolean zWritten = GL_FALSE; /* temp hack (bug 9345) */ - (**pro).UpdateFixedVarying(pro, SLANG_FRAGMENT_FIXED_FRAGCOLOR, - vec, 0, 4 * sizeof(GLfloat), GL_FALSE); - COPY_4V(span->array->color.sz4.rgba[i], vec); - if (zWritten) { - (**pro).UpdateFixedVarying(pro, SLANG_FRAGMENT_FIXED_FRAGDEPTH, - vec, 0, sizeof (GLfloat), GL_FALSE); - if (vec[0] <= 0.0f) - span->array->z[i] = 0; - else if (vec[0] >= 1.0f) - span->array->z[i] = ctx->DrawBuffer->_DepthMax; - else - span->array->z[i] = IROUND(vec[0] * ctx->DrawBuffer->_DepthMaxF); - } - } - } - } -} - -#endif /* FEATURE_ARB_fragment_shader */ - diff --git a/src/mesa/swrast/s_arbshader.h b/src/mesa/swrast/s_arbshader.h deleted file mode 100644 index 5df80c870b..0000000000 --- a/src/mesa/swrast/s_arbshader.h +++ /dev/null @@ -1,38 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 6.5 - * - * Copyright (C) 2006 David Airlie All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * DAVID AIRLIE BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN - * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - - -#ifndef S_ARBSHADER_H -#define S_ARBSHADER_H - -#include "s_context.h" - -#if FEATURE_ARB_fragment_shader - -extern void _swrast_exec_arbshader (GLcontext *ctx, SWspan *span); - -#endif /* FEATURE_ARB_fragment_shader */ - -#endif - diff --git a/src/mesa/swrast/s_atifragshader.c b/src/mesa/swrast/s_atifragshader.c index 467b8652d8..947054faa3 100644 --- a/src/mesa/swrast/s_atifragshader.c +++ b/src/mesa/swrast/s_atifragshader.c @@ -268,7 +268,7 @@ handle_pass_op(struct atifs_machine *machine, struct atifs_setupinst *texinst, if (pass_tex >= GL_TEXTURE0_ARB && pass_tex <= GL_TEXTURE7_ARB) { pass_tex -= GL_TEXTURE0_ARB; COPY_4V(machine->Registers[idx], - span->array->texcoords[pass_tex][column]); + span->array->attribs[FRAG_ATTRIB_TEX0 + pass_tex][column]); } else if (pass_tex >= GL_REG_0_ATI && pass_tex <= GL_REG_5_ATI) { pass_tex -= GL_REG_0_ATI; @@ -290,7 +290,8 @@ handle_sample_op(GLcontext * ctx, struct atifs_machine *machine, if (coord_source >= GL_TEXTURE0_ARB && coord_source <= GL_TEXTURE7_ARB) { coord_source -= GL_TEXTURE0_ARB; - COPY_4V(tex_coords, span->array->texcoords[coord_source][column]); + COPY_4V(tex_coords, + span->array->attribs[FRAG_ATTRIB_TEX0 + coord_source][column]); } else if (coord_source >= GL_REG_0_ATI && coord_source <= GL_REG_5_ATI) { coord_source -= GL_REG_0_ATI; @@ -573,8 +574,8 @@ init_machine(GLcontext * ctx, struct atifs_machine *machine, machine->Registers[i][j] = 0.0; } - COPY_4V(inputs[ATI_FS_INPUT_PRIMARY], span->array->color.sz4.rgba[col]); - COPY_4V(inputs[ATI_FS_INPUT_SECONDARY], span->array->color.sz4.spec[col]); + COPY_4V(inputs[ATI_FS_INPUT_PRIMARY], span->array->attribs[FRAG_ATTRIB_COL0][col]); + COPY_4V(inputs[ATI_FS_INPUT_SECONDARY], span->array->attribs[FRAG_ATTRIB_COL1][col]); } @@ -605,7 +606,7 @@ _swrast_exec_fragment_shader(GLcontext * ctx, SWspan *span) const GLfloat *colOut = machine.Registers[0]; /*fprintf(stderr,"outputs %f %f %f %f\n", colOut[0], colOut[1], colOut[2], colOut[3]); */ - COPY_4V(span->array->color.sz4.rgba[i], colOut); + COPY_4V(span->array->attribs[FRAG_ATTRIB_COL0][i], colOut); } } } diff --git a/src/mesa/swrast/s_context.c b/src/mesa/swrast/s_context.c index f5f04b05f5..00702b4301 100644 --- a/src/mesa/swrast/s_context.c +++ b/src/mesa/swrast/s_context.c @@ -2,7 +2,7 @@ * Mesa 3-D graphics library * Version: 6.5.3 * - * Copyright (C) 1999-2006 Brian Paul All Rights Reserved. + * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), @@ -31,7 +31,7 @@ #include "context.h" #include "colormac.h" #include "mtypes.h" -#include "program.h" +#include "prog_statevars.h" #include "teximage.h" #include "swrast.h" #include "s_blend.h" @@ -98,11 +98,7 @@ _swrast_update_rasterflags( GLcontext *ctx ) rasterMask |= MULTI_DRAW_BIT; /* all color index bits disabled */ } - if (ctx->FragmentProgram._Enabled) { - rasterMask |= FRAGPROG_BIT; - } - - if (ctx->ShaderObjects._FragmentShaderPresent) { + if (ctx->FragmentProgram._Current) { rasterMask |= FRAGPROG_BIT; } @@ -129,27 +125,28 @@ _swrast_update_rasterflags( GLcontext *ctx ) static void _swrast_update_polygon( GLcontext *ctx ) { - GLfloat backface_sign = 1; + GLfloat backface_sign; if (ctx->Polygon.CullFlag) { - backface_sign = 1; - switch(ctx->Polygon.CullFaceMode) { + backface_sign = 1.0; + switch (ctx->Polygon.CullFaceMode) { case GL_BACK: - if(ctx->Polygon.FrontFace==GL_CCW) - backface_sign = -1; + if (ctx->Polygon.FrontFace == GL_CCW) + backface_sign = -1.0; break; case GL_FRONT: - if(ctx->Polygon.FrontFace!=GL_CCW) - backface_sign = -1; + if (ctx->Polygon.FrontFace != GL_CCW) + backface_sign = -1.0; break; - default: case GL_FRONT_AND_BACK: - backface_sign = 0; + /* fallthrough */ + default: + backface_sign = 0.0; break; } } else { - backface_sign = 0; + backface_sign = 0.0; } SWRAST_CONTEXT(ctx)->_BackfaceSign = backface_sign; @@ -165,7 +162,7 @@ _swrast_update_fog_hint( GLcontext *ctx ) { SWcontext *swrast = SWRAST_CONTEXT(ctx); swrast->_PreferPixelFog = (!swrast->AllowVertexFog || - ctx->FragmentProgram._Enabled || /* not _Active! */ + ctx->FragmentProgram._Current || (ctx->Hint.Fog == GL_NICEST && swrast->AllowPixelFog)); } @@ -198,20 +195,14 @@ static void _swrast_update_fog_state( GLcontext *ctx ) { SWcontext *swrast = SWRAST_CONTEXT(ctx); + const struct gl_fragment_program *fp = ctx->FragmentProgram._Current; /* determine if fog is needed, and if so, which fog mode */ swrast->_FogEnabled = GL_FALSE; - if (ctx->ShaderObjects._FragmentShaderPresent) { - swrast->_FogEnabled = GL_FALSE; - } - else if (ctx->FragmentProgram._Enabled) { - if (ctx->FragmentProgram._Current->Base.Target==GL_FRAGMENT_PROGRAM_ARB) { - const struct gl_fragment_program *fp - = ctx->FragmentProgram._Current; - if (fp->FogOption != GL_NONE) { - swrast->_FogEnabled = GL_TRUE; - swrast->_FogMode = fp->FogOption; - } + if (fp && fp->Base.Target == GL_FRAGMENT_PROGRAM_ARB) { + if (fp->FogOption != GL_NONE) { + swrast->_FogEnabled = GL_TRUE; + swrast->_FogMode = fp->FogOption; } } else if (ctx->Fog.Enabled) { @@ -228,8 +219,8 @@ _swrast_update_fog_state( GLcontext *ctx ) static void _swrast_update_fragment_program(GLcontext *ctx, GLbitfield newState) { - if (ctx->FragmentProgram._Enabled) { - const struct gl_fragment_program *fp = ctx->FragmentProgram._Current; + const struct gl_fragment_program *fp = ctx->FragmentProgram._Current; + if (fp) { #if 0 /* XXX Need a way to trigger the initial loading of parameters * even when there's no recent state changes. @@ -304,7 +295,7 @@ _swrast_validate_triangle( GLcontext *ctx, if (ctx->Texture._EnabledUnits == 0 && NEED_SECONDARY_COLOR(ctx) - && !ctx->FragmentProgram._Enabled) { + && !ctx->FragmentProgram._Current) { /* separate specular color, but no texture */ swrast->SpecTriangle = swrast->Triangle; swrast->Triangle = _swrast_add_spec_terms_triangle; @@ -328,7 +319,7 @@ _swrast_validate_line( GLcontext *ctx, const SWvertex *v0, const SWvertex *v1 ) if (ctx->Texture._EnabledUnits == 0 && NEED_SECONDARY_COLOR(ctx) - && !ctx->FragmentProgram._Enabled) { + && !ctx->FragmentProgram._Current) { swrast->SpecLine = swrast->Line; swrast->Line = _swrast_add_spec_terms_line; } @@ -351,7 +342,7 @@ _swrast_validate_point( GLcontext *ctx, const SWvertex *v0 ) if (ctx->Texture._EnabledUnits == 0 && NEED_SECONDARY_COLOR(ctx) - && !ctx->FragmentProgram._Enabled) { + && !ctx->FragmentProgram._Current) { swrast->SpecPoint = swrast->Point; swrast->Point = _swrast_add_spec_terms_point; } @@ -505,11 +496,96 @@ _swrast_update_texture_samplers(GLcontext *ctx) for (u = 0; u < ctx->Const.MaxTextureImageUnits; u++) { const struct gl_texture_object *tObj = ctx->Texture.Unit[u]._Current; + /* Note: If tObj is NULL, the sample function will be a simple + * function that just returns opaque black (0,0,0,1). + */ swrast->TextureSample[u] = _swrast_choose_texture_sample_func(ctx, tObj); } } +/** + * Update the swrast->_FragmentAttribs field. + */ +static void +_swrast_update_fragment_attribs(GLcontext *ctx) +{ + SWcontext *swrast = SWRAST_CONTEXT(ctx); + + if (ctx->FragmentProgram._Current) { + swrast->_FragmentAttribs + = ctx->FragmentProgram._Current->Base.InputsRead; + } + else { + GLuint u; + swrast->_FragmentAttribs = 0x0; + + if (ctx->Depth.Test) + swrast->_FragmentAttribs |= FRAG_BIT_WPOS; + if (NEED_SECONDARY_COLOR(ctx)) + swrast->_FragmentAttribs |= FRAG_BIT_COL1; + if (swrast->_FogEnabled) + swrast->_FragmentAttribs |= FRAG_BIT_FOGC; + + for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { + if (ctx->Texture.Unit[u]._ReallyEnabled) { + swrast->_FragmentAttribs |= FRAG_BIT_TEX(u); + } + } + } + + /* Find lowest, highest bit set in _FragmentAttribs */ + { + GLuint bits = swrast->_FragmentAttribs; + GLuint i = 0;; + while (bits) { + i++; + bits = bits >> 1; + } + swrast->_MaxFragmentAttrib = i; + swrast->_MinFragmentAttrib = FRAG_ATTRIB_TEX0; /* XXX temporary */ + } +} + + +/** + * Update the swrast->_ColorOutputsMask which indicates which color + * renderbuffers (aka rendertargets) are being written to by the current + * fragment program. + * We also take glDrawBuffers() into account to skip outputs that are + * set to GL_NONE. + */ +static void +_swrast_update_color_outputs(GLcontext *ctx) +{ + SWcontext *swrast = SWRAST_CONTEXT(ctx); + const struct gl_framebuffer *fb = ctx->DrawBuffer; + + swrast->_ColorOutputsMask = 0; + swrast->_NumColorOutputs = 0; + + if (ctx->FragmentProgram._Current) { + const GLbitfield outputsWritten + = ctx->FragmentProgram._Current->Base.OutputsWritten; + GLuint output; + for (output = 0; output < ctx->Const.MaxDrawBuffers; output++) { + if ((outputsWritten & (1 << (FRAG_RESULT_DATA0 + output))) + && (fb->_NumColorDrawBuffers[output] > 0)) { + swrast->_ColorOutputsMask |= (1 << output); + swrast->_NumColorOutputs = output + 1; + } + } + } + if (swrast->_ColorOutputsMask == 0x0) { + /* no fragment program, or frag prog didn't write to gl_FragData[] */ + if (fb->_NumColorDrawBuffers[0] > 0) { + swrast->_ColorOutputsMask = 0x1; + swrast->_NumColorOutputs = 1; + } + } +} + + void _swrast_validate_derived( GLcontext *ctx ) { @@ -550,6 +626,15 @@ _swrast_validate_derived( GLcontext *ctx ) if (swrast->NewState & _SWRAST_NEW_RASTERMASK) _swrast_update_rasterflags( ctx ); + if (swrast->NewState & (_NEW_DEPTH | + _NEW_FOG | + _NEW_PROGRAM | + _NEW_TEXTURE)) + _swrast_update_fragment_attribs(ctx); + + if (swrast->NewState & (_NEW_PROGRAM | _NEW_BUFFERS)) + _swrast_update_color_outputs(ctx); + swrast->NewState = 0; swrast->StateChanges = 0; swrast->InvalidateState = _swrast_invalidate_state; @@ -707,7 +792,6 @@ _swrast_CreateContext( GLcontext *ctx ) /* init point span buffer */ swrast->PointSpan.primitive = GL_POINT; - swrast->PointSpan.start = 0; swrast->PointSpan.end = 0; swrast->PointSpan.facing = 0; swrast->PointSpan.array = swrast->SpanArrays; @@ -810,8 +894,10 @@ _swrast_print_vertex( GLcontext *ctx, const SWvertex *v ) for (i = 0 ; i < ctx->Const.MaxTextureCoordUnits ; i++) if (ctx->Texture.Unit[i]._ReallyEnabled) _mesa_debug(ctx, "texcoord[%d] %f %f %f %f\n", i, - v->texcoord[i][0], v->texcoord[i][1], - v->texcoord[i][2], v->texcoord[i][3]); + v->attrib[FRAG_ATTRIB_TEX0 + i][0], + v->attrib[FRAG_ATTRIB_TEX0 + i][1], + v->attrib[FRAG_ATTRIB_TEX0 + i][2], + v->attrib[FRAG_ATTRIB_TEX0 + i][3]); #if CHAN_TYPE == GL_FLOAT _mesa_debug(ctx, "color %f %f %f %f\n", diff --git a/src/mesa/swrast/s_context.h b/src/mesa/swrast/s_context.h index 37d7081d4d..3a9a48922e 100644 --- a/src/mesa/swrast/s_context.h +++ b/src/mesa/swrast/s_context.h @@ -45,204 +45,7 @@ #include "mtypes.h" #include "swrast.h" - - -/** - * \defgroup SpanFlags SPAN_XXX-flags - * Bitmasks to indicate which sw_span_arrays need to be computed - * (sw_span::interpMask) or have already been filled in (sw_span::arrayMask) - */ -/*@{*/ -#define SPAN_RGBA 0x001 -#define SPAN_SPEC 0x002 -#define SPAN_INDEX 0x004 -#define SPAN_Z 0x008 -#define SPAN_W 0x010 -#define SPAN_FOG 0x020 -#define SPAN_TEXTURE 0x040 -#define SPAN_INT_TEXTURE 0x080 -#define SPAN_LAMBDA 0x100 -#define SPAN_COVERAGE 0x200 -#define SPAN_FLAT 0x400 /**< flat shading? */ -#define SPAN_XY 0x800 -#define SPAN_MASK 0x1000 -#define SPAN_VARYING 0x2000 -/*@}*/ - -#if 0 -/* alternate arrangement for code below */ -struct arrays2 { - union { - GLubyte sz1[MAX_WIDTH][4]; /* primary color */ - GLushort sz2[MAX_WIDTH][4]; - GLfloat sz4[MAX_WIDTH][4]; - } rgba; - union { - GLubyte sz1[MAX_WIDTH][4]; /* specular color and temp storage */ - GLushort sz2[MAX_WIDTH][4]; - GLfloat sz4[MAX_WIDTH][4]; - } spec; -}; -#endif - - -/** - * \sw_span_arrays - * \brief Arrays of fragment values. - * - * These will either be computed from the x/xStep values above or - * filled in by glDraw/CopyPixels, etc. - * These arrays are separated out of sw_span to conserve memory. - */ -typedef struct sw_span_arrays { - GLenum ChanType; /**< Color channel type, GL_UNSIGNED_BYTE, GL_FLOAT */ - union { - struct { - GLubyte rgba[MAX_WIDTH][4]; /**< primary color */ - GLubyte spec[MAX_WIDTH][4]; /**< specular color and temp storage */ - } sz1; - struct { - GLushort rgba[MAX_WIDTH][4]; - GLushort spec[MAX_WIDTH][4]; - } sz2; - struct { - GLfloat rgba[MAX_WIDTH][4]; - GLfloat spec[MAX_WIDTH][4]; - } sz4; - } color; - /** XXX these are temporary fields, pointing into above color arrays */ - GLchan (*rgba)[4]; - GLchan (*spec)[4]; - - GLuint index[MAX_WIDTH]; - GLint x[MAX_WIDTH]; /**< X/Y used for point/line rendering only */ - GLint y[MAX_WIDTH]; /**< X/Y used for point/line rendering only */ - GLuint z[MAX_WIDTH]; - GLfloat fog[MAX_WIDTH]; - GLfloat texcoords[MAX_TEXTURE_COORD_UNITS][MAX_WIDTH][4]; - GLfloat lambda[MAX_TEXTURE_COORD_UNITS][MAX_WIDTH]; - GLfloat coverage[MAX_WIDTH]; - GLfloat varying[MAX_WIDTH][MAX_VARYING_VECTORS][VARYINGS_PER_VECTOR]; - - /** This mask indicates which fragments are alive or culled */ - GLubyte mask[MAX_WIDTH]; -} SWspanarrays; - - -/** - * \SWspan - * \brief Contains data for either a horizontal line or a set of - * pixels that are passed through a pipeline of functions before being - * drawn. - * - * The sw_span structure describes the colors, Z, fogcoord, texcoords, - * etc for either a horizontal run or an array of independent pixels. - * We can either specify a base/step to indicate interpolated values, or - * fill in arrays of values. The interpMask and arrayMask bitfields - * indicate which are active. - * - * With this structure it's easy to hand-off span rasterization to - * subroutines instead of doing it all inline in the triangle functions - * like we used to do. - * It also cleans up the local variable namespace a great deal. - * - * It would be interesting to experiment with multiprocessor rasterization - * with this structure. The triangle rasterizer could simply emit a - * stream of these structures which would be consumed by one or more - * span-processing threads which could run in parallel. - */ -typedef struct sw_span { - GLint x, y; - - /** Only need to process pixels between start <= i < end */ - /** At this time, start is always zero. */ - GLuint start, end; - - /** This flag indicates that mask[] array is effectively filled with ones */ - GLboolean writeAll; - - /** either GL_POLYGON, GL_LINE, GL_POLYGON, GL_BITMAP */ - GLenum primitive; - - /** 0 = front-facing span, 1 = back-facing span (for two-sided stencil) */ - GLuint facing; - - /** - * This bitmask (of \link SpanFlags SPAN_* flags\endlink) indicates - * which of the x/xStep variables are relevant. - */ - GLbitfield interpMask; - - /* For horizontal spans, step is the partial derivative wrt X. - * For lines, step is the delta from one fragment to the next. - */ -#if CHAN_TYPE == GL_FLOAT - GLfloat red, redStep; - GLfloat green, greenStep; - GLfloat blue, blueStep; - GLfloat alpha, alphaStep; - GLfloat specRed, specRedStep; - GLfloat specGreen, specGreenStep; - GLfloat specBlue, specBlueStep; -#else /* CHAN_TYPE == GL_UNSIGNED_BYTE or GL_UNSIGNED_SHORT */ - GLfixed red, redStep; - GLfixed green, greenStep; - GLfixed blue, blueStep; - GLfixed alpha, alphaStep; - GLfixed specRed, specRedStep; - GLfixed specGreen, specGreenStep; - GLfixed specBlue, specBlueStep; -#endif - GLfixed index, indexStep; - GLfixed z, zStep; /* XXX z should probably be GLuint */ - GLfloat fog, fogStep; - GLfloat tex[MAX_TEXTURE_COORD_UNITS][4]; /* s, t, r, q */ - GLfloat texStepX[MAX_TEXTURE_COORD_UNITS][4]; - GLfloat texStepY[MAX_TEXTURE_COORD_UNITS][4]; - GLfixed intTex[2], intTexStep[2]; /* s, t only */ - GLfloat var[MAX_VARYING_VECTORS][VARYINGS_PER_VECTOR]; - GLfloat varStepX[MAX_VARYING_VECTORS][VARYINGS_PER_VECTOR]; - GLfloat varStepY[MAX_VARYING_VECTORS][VARYINGS_PER_VECTOR]; - - /* partial derivatives wrt X and Y. */ - GLfloat dzdx, dzdy; - GLfloat w, dwdx, dwdy; - GLfloat drdx, drdy; - GLfloat dgdx, dgdy; - GLfloat dbdx, dbdy; - GLfloat dadx, dady; - GLfloat dsrdx, dsrdy; - GLfloat dsgdx, dsgdy; - GLfloat dsbdx, dsbdy; - GLfloat dfogdx, dfogdy; - - /** - * This bitmask (of \link SpanFlags SPAN_* flags\endlink) indicates - * which of the fragment arrays in the span_arrays struct are relevant. - */ - GLbitfield arrayMask; - - /** - * We store the arrays of fragment values in a separate struct so - * that we can allocate sw_span structs on the stack without using - * a lot of memory. The span_arrays struct is about 400KB while the - * sw_span struct is only about 512 bytes. - */ - SWspanarrays *array; -} SWspan; - - - -#define INIT_SPAN(S, PRIMITIVE, END, INTERP_MASK, ARRAY_MASK) \ -do { \ - (S).primitive = (PRIMITIVE); \ - (S).interpMask = (INTERP_MASK); \ - (S).arrayMask = (ARRAY_MASK); \ - (S).start = 0; \ - (S).end = (END); \ - (S).facing = 0; \ - (S).array = SWRAST_CONTEXT(ctx)->SpanArrays; \ -} while (0) +#include "s_span.h" typedef void (*texture_sample_func)(GLcontext *ctx, @@ -269,7 +72,8 @@ typedef void (*validate_texture_image_func)(GLcontext *ctx, GLuint face, GLuint level); -/** \defgroup Bitmasks +/** + * \defgroup Bitmasks * Bitmasks to indicate which rasterization options are enabled * (RasterMask) */ @@ -329,6 +133,17 @@ typedef struct GLboolean _FogEnabled; GLenum _FogMode; /* either GL_FOG_MODE or fragment program's fog mode */ + /** Multiple render targets */ + GLbitfield _ColorOutputsMask; + GLuint _NumColorOutputs; + + /** Fragment attributes to compute during rasterization. + * Mask of FRAG_BIT_* flags. + */ + GLbitfield _FragmentAttribs; + GLuint _MinFragmentAttrib; /**< Lowest bit set in _FragmentAttribs */ + GLuint _MaxFragmentAttrib; /**< Highest bit set in _FragmentAttribs + 1 */ + /* Accum buffer temporaries. */ GLboolean _IntegerAccumMode; /**< Storing unscaled integers? */ diff --git a/src/mesa/swrast/s_copypix.c b/src/mesa/swrast/s_copypix.c index b318777072..2051e1f3b7 100644 --- a/src/mesa/swrast/s_copypix.c +++ b/src/mesa/swrast/s_copypix.c @@ -268,7 +268,7 @@ copy_rgba_pixels(GLcontext *ctx, GLint srcx, GLint srcy, ASSERT(width < MAX_WIDTH); for (row = 0; row < height; row++, sy += stepy, dy += stepy) { - GLvoid *rgba = span.array->color.sz4.rgba; + GLvoid *rgba = span.array->attribs[FRAG_ATTRIB_COL0]; /* Get row/span of source pixels */ if (overlapping) { diff --git a/src/mesa/swrast/s_drawpix.c b/src/mesa/swrast/s_drawpix.c index 99ad71143e..50147f329f 100644 --- a/src/mesa/swrast/s_drawpix.c +++ b/src/mesa/swrast/s_drawpix.c @@ -644,7 +644,7 @@ draw_rgba_pixels( GLcontext *ctx, GLint x, GLint y, = _mesa_image_row_stride(unpack, width, format, type); GLint skipPixels = 0; /* use span array for temp color storage */ - GLfloat *rgba = (GLfloat *) span.array->color.sz4.rgba; + GLfloat *rgba = (GLfloat *) span.array->attribs[FRAG_ATTRIB_COL0]; /* if the span is wider than MAX_WIDTH we have to do it in chunks */ while (skipPixels < width) { diff --git a/src/mesa/swrast/s_feedback.c b/src/mesa/swrast/s_feedback.c index 26cb05cd56..5d3fbdfeb6 100644 --- a/src/mesa/swrast/s_feedback.c +++ b/src/mesa/swrast/s_feedback.c @@ -46,10 +46,10 @@ static void feedback_vertex( GLcontext *ctx, const SWvertex *v, const SWvertex *pv ) { - const GLuint texUnit = 0; /* See section 5.3 of 1.2.1 spec */ GLfloat win[4]; GLfloat color[4]; GLfloat tc[4]; + const GLfloat *vtc = v->attrib[FRAG_ATTRIB_TEX0]; win[0] = v->win[0]; win[1] = v->win[1]; @@ -61,16 +61,15 @@ static void feedback_vertex( GLcontext *ctx, color[2] = CHAN_TO_FLOAT(pv->color[2]); color[3] = CHAN_TO_FLOAT(pv->color[3]); - if (v->texcoord[texUnit][3] != 1.0 && - v->texcoord[texUnit][3] != 0.0) { - GLfloat invq = 1.0F / v->texcoord[texUnit][3]; - tc[0] = v->texcoord[texUnit][0] * invq; - tc[1] = v->texcoord[texUnit][1] * invq; - tc[2] = v->texcoord[texUnit][2] * invq; - tc[3] = v->texcoord[texUnit][3]; + if (vtc[3] != 1.0 && vtc[3] != 0.0) { + GLfloat invq = 1.0F / vtc[3]; + tc[0] = vtc[0] * invq; + tc[1] = vtc[1] * invq; + tc[2] = vtc[2] * invq; + tc[3] = vtc[3]; } else { - COPY_4V(tc, v->texcoord[texUnit]); + COPY_4V(tc, vtc); } _mesa_feedback_vertex( ctx, win, color, (GLfloat) v->index, tc ); diff --git a/src/mesa/swrast/s_fog.c b/src/mesa/swrast/s_fog.c index f4c3fe4f2d..433fc4a4d0 100644 --- a/src/mesa/swrast/s_fog.c +++ b/src/mesa/swrast/s_fog.c @@ -72,10 +72,10 @@ _swrast_z_to_fogfactor(GLcontext *ctx, GLfloat z) */ #define FOG_LOOP(TYPE, COMPUTE_F) \ do { \ - const GLfloat fogStep = span->fogStep; \ - GLfloat fogCoord = span->fog; \ - const GLfloat wStep = haveW ? span->dwdx : 0.0F; \ - GLfloat w = haveW ? span->w : 1.0F; \ + const GLfloat fogStep = span->attrStepX[FRAG_ATTRIB_FOGC][0]; \ + GLfloat fogCoord = span->attrStart[FRAG_ATTRIB_FOGC][0]; \ + const GLfloat wStep = haveW ? span->attrStepX[FRAG_ATTRIB_WPOS][3] : 0.0F;\ + GLfloat w = haveW ? span->attrStart[FRAG_ATTRIB_WPOS][3] : 1.0F; \ GLuint i; \ for (i = 0; i < span->end; i++) { \ GLfloat f, oneMinusF; \ @@ -154,7 +154,7 @@ _swrast_fog_rgba_span( const GLcontext *ctx, SWspan *span ) FOG_LOOP(GLushort, COMPUTE_F); } else { - GLfloat (*rgba)[4] = span->array->color.sz4.rgba; + GLfloat (*rgba)[4] = span->array->attribs[FRAG_ATTRIB_COL0]; ASSERT(span->array->ChanType == GL_FLOAT); FOG_LOOP(GLfloat, COMPUTE_F); } @@ -172,7 +172,7 @@ _swrast_fog_rgba_span( const GLcontext *ctx, SWspan *span ) FOG_LOOP(GLushort, COMPUTE_F); } else { - GLfloat (*rgba)[4] = span->array->color.sz4.rgba; + GLfloat (*rgba)[4] = span->array->attribs[FRAG_ATTRIB_COL0]; ASSERT(span->array->ChanType == GL_FLOAT); FOG_LOOP(GLfloat, COMPUTE_F); } @@ -194,7 +194,7 @@ _swrast_fog_rgba_span( const GLcontext *ctx, SWspan *span ) FOG_LOOP(GLushort, COMPUTE_F); } else { - GLfloat (*rgba)[4] = span->array->color.sz4.rgba; + GLfloat (*rgba)[4] = span->array->attribs[FRAG_ATTRIB_COL0]; ASSERT(span->array->ChanType == GL_FLOAT); FOG_LOOP(GLfloat, COMPUTE_F); } @@ -214,7 +214,7 @@ _swrast_fog_rgba_span( const GLcontext *ctx, SWspan *span ) if (span->array->ChanType == GL_UNSIGNED_BYTE) { GLubyte (*rgba)[4] = span->array->color.sz1.rgba; for (i = 0; i < span->end; i++) { - const GLfloat f = span->array->fog[i]; + const GLfloat f = span->array->attribs[FRAG_ATTRIB_FOGC][i][0]; const GLfloat oneMinusF = 1.0F - f; rgba[i][RCOMP] = (GLubyte) (f * rgba[i][RCOMP] + oneMinusF * rFog); rgba[i][GCOMP] = (GLubyte) (f * rgba[i][GCOMP] + oneMinusF * gFog); @@ -224,7 +224,7 @@ _swrast_fog_rgba_span( const GLcontext *ctx, SWspan *span ) else if (span->array->ChanType == GL_UNSIGNED_SHORT) { GLushort (*rgba)[4] = span->array->color.sz2.rgba; for (i = 0; i < span->end; i++) { - const GLfloat f = span->array->fog[i]; + const GLfloat f = span->array->attribs[FRAG_ATTRIB_FOGC][i][0]; const GLfloat oneMinusF = 1.0F - f; rgba[i][RCOMP] = (GLushort) (f * rgba[i][RCOMP] + oneMinusF * rFog); rgba[i][GCOMP] = (GLushort) (f * rgba[i][GCOMP] + oneMinusF * gFog); @@ -232,10 +232,10 @@ _swrast_fog_rgba_span( const GLcontext *ctx, SWspan *span ) } } else { - GLfloat (*rgba)[4] = span->array->color.sz4.rgba; + GLfloat (*rgba)[4] = span->array->attribs[FRAG_ATTRIB_COL0]; ASSERT(span->array->ChanType == GL_FLOAT); for (i = 0; i < span->end; i++) { - const GLfloat f = span->array->fog[i]; + const GLfloat f = span->array->attribs[FRAG_ATTRIB_FOGC][i][0]; const GLfloat oneMinusF = 1.0F - f; rgba[i][RCOMP] = f * rgba[i][RCOMP] + oneMinusF * rFog; rgba[i][GCOMP] = f * rgba[i][GCOMP] + oneMinusF * gFog; @@ -258,7 +258,7 @@ _swrast_fog_rgba_span( const GLcontext *ctx, SWspan *span ) FOG_LOOP(GLushort, COMPUTE_F); } else { - GLfloat (*rgba)[4] = span->array->color.sz4.rgba; + GLfloat (*rgba)[4] = span->array->attribs[FRAG_ATTRIB_COL0]; ASSERT(span->array->ChanType == GL_FLOAT); FOG_LOOP(GLfloat, COMPUTE_F); } @@ -293,10 +293,10 @@ _swrast_fog_ci_span( const GLcontext *ctx, SWspan *span ) const GLfloat fogEnd = ctx->Fog.End; const GLfloat fogScale = (ctx->Fog.Start == ctx->Fog.End) ? 1.0F : 1.0F / (ctx->Fog.End - ctx->Fog.Start); - const GLfloat fogStep = span->fogStep; - GLfloat fogCoord = span->fog; - const GLfloat wStep = haveW ? span->dwdx : 0.0F; - GLfloat w = haveW ? span->w : 1.0F; + const GLfloat fogStep = span->attrStepX[FRAG_ATTRIB_FOGC][0]; + GLfloat fogCoord = span->attrStart[FRAG_ATTRIB_FOGC][0]; + const GLfloat wStep = haveW ? span->attrStepX[FRAG_ATTRIB_WPOS][3] : 0.0F; + GLfloat w = haveW ? span->attrStart[FRAG_ATTRIB_WPOS][3] : 1.0F; GLuint i; for (i = 0; i < span->end; i++) { GLfloat f = (fogEnd - fogCoord / w) * fogScale; @@ -310,10 +310,10 @@ _swrast_fog_ci_span( const GLcontext *ctx, SWspan *span ) case GL_EXP: { const GLfloat density = -ctx->Fog.Density; - const GLfloat fogStep = span->fogStep; - GLfloat fogCoord = span->fog; - const GLfloat wStep = haveW ? span->dwdx : 0.0F; - GLfloat w = haveW ? span->w : 1.0F; + const GLfloat fogStep = span->attrStepX[FRAG_ATTRIB_FOGC][0]; + GLfloat fogCoord = span->attrStart[FRAG_ATTRIB_FOGC][0]; + const GLfloat wStep = haveW ? span->attrStepX[FRAG_ATTRIB_WPOS][3] : 0.0F; + GLfloat w = haveW ? span->attrStart[FRAG_ATTRIB_WPOS][3] : 1.0F; GLuint i; for (i = 0; i < span->end; i++) { GLfloat f = EXPF(density * fogCoord / w); @@ -327,10 +327,10 @@ _swrast_fog_ci_span( const GLcontext *ctx, SWspan *span ) case GL_EXP2: { const GLfloat negDensitySquared = -ctx->Fog.Density * ctx->Fog.Density; - const GLfloat fogStep = span->fogStep; - GLfloat fogCoord = span->fog; - const GLfloat wStep = haveW ? span->dwdx : 0.0F; - GLfloat w = haveW ? span->w : 1.0F; + const GLfloat fogStep = span->attrStepX[FRAG_ATTRIB_FOGC][0]; + GLfloat fogCoord = span->attrStart[FRAG_ATTRIB_FOGC][0]; + const GLfloat wStep = haveW ? span->attrStepX[FRAG_ATTRIB_WPOS][3] : 0.0F; + GLfloat w = haveW ? span->attrStart[FRAG_ATTRIB_WPOS][3] : 1.0F; GLuint i; for (i = 0; i < span->end; i++) { const GLfloat coord = fogCoord / w; @@ -360,7 +360,7 @@ _swrast_fog_ci_span( const GLcontext *ctx, SWspan *span ) */ GLuint i; for (i = 0; i < span->end; i++) { - const GLfloat f = span->array->fog[i]; + const GLfloat f = span->array->attribs[FRAG_ATTRIB_FOGC][i][0]; index[i] = (GLuint) ((GLfloat) index[i] + (1.0F - f) * fogIndex); } } @@ -368,10 +368,10 @@ _swrast_fog_ci_span( const GLcontext *ctx, SWspan *span ) /* The span's fog start/step values are blend factors. * They were previously computed per-vertex. */ - const GLfloat fogStep = span->fogStep; - GLfloat fog = span->fog; - const GLfloat wStep = haveW ? span->dwdx : 0.0F; - GLfloat w = haveW ? span->w : 1.0F; + const GLfloat fogStep = span->attrStepX[FRAG_ATTRIB_FOGC][0]; + GLfloat fog = span->attrStart[FRAG_ATTRIB_FOGC][0]; + const GLfloat wStep = haveW ? span->attrStepX[FRAG_ATTRIB_WPOS][3] : 0.0F; + GLfloat w = haveW ? span->attrStart[FRAG_ATTRIB_WPOS][3] : 1.0F; GLuint i; ASSERT(span->interpMask & SPAN_FOG); for (i = 0; i < span->end; i++) { diff --git a/src/mesa/swrast/s_fragprog.c b/src/mesa/swrast/s_fragprog.c new file mode 100644 index 0000000000..7f7c0d6db5 --- /dev/null +++ b/src/mesa/swrast/s_fragprog.c @@ -0,0 +1,224 @@ +/* + * Mesa 3-D graphics library + * Version: 6.5.2 + * + * Copyright (C) 1999-2006 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "glheader.h" +#include "colormac.h" +#include "context.h" +#include "prog_execute.h" +#include "prog_instruction.h" + +#include "s_fragprog.h" +#include "s_span.h" + + +/** + * Fetch a texel. + */ +static void +fetch_texel( GLcontext *ctx, const GLfloat texcoord[4], GLfloat lambda, + GLuint unit, GLfloat color[4] ) +{ + GLchan rgba[4]; + SWcontext *swrast = SWRAST_CONTEXT(ctx); + + /* XXX use a float-valued TextureSample routine here!!! */ + swrast->TextureSample[unit](ctx, ctx->Texture.Unit[unit]._Current, + 1, (const GLfloat (*)[4]) texcoord, + &lambda, &rgba); + color[0] = CHAN_TO_FLOAT(rgba[0]); + color[1] = CHAN_TO_FLOAT(rgba[1]); + color[2] = CHAN_TO_FLOAT(rgba[2]); + color[3] = CHAN_TO_FLOAT(rgba[3]); +} + + +/** + * Fetch a texel with the given partial derivatives to compute a level + * of detail in the mipmap. + */ +static void +fetch_texel_deriv( GLcontext *ctx, const GLfloat texcoord[4], + const GLfloat texdx[4], const GLfloat texdy[4], + GLuint unit, GLfloat color[4] ) +{ + SWcontext *swrast = SWRAST_CONTEXT(ctx); + const struct gl_texture_object *texObj = ctx->Texture.Unit[unit]._Current; + const struct gl_texture_image *texImg = texObj->Image[0][texObj->BaseLevel]; + const GLfloat texW = (GLfloat) texImg->WidthScale; + const GLfloat texH = (GLfloat) texImg->HeightScale; + GLchan rgba[4]; + + GLfloat lambda = _swrast_compute_lambda(texdx[0], texdy[0], /* ds/dx, ds/dy */ + texdx[1], texdy[1], /* dt/dx, dt/dy */ + texdx[3], texdy[2], /* dq/dx, dq/dy */ + texW, texH, + texcoord[0], texcoord[1], texcoord[3], + 1.0F / texcoord[3]); + + swrast->TextureSample[unit](ctx, ctx->Texture.Unit[unit]._Current, + 1, (const GLfloat (*)[4]) texcoord, + &lambda, &rgba); + color[0] = CHAN_TO_FLOAT(rgba[0]); + color[1] = CHAN_TO_FLOAT(rgba[1]); + color[2] = CHAN_TO_FLOAT(rgba[2]); + color[3] = CHAN_TO_FLOAT(rgba[3]); +} + + +/** + * Initialize the virtual fragment program machine state prior to running + * fragment program on a fragment. This involves initializing the input + * registers, condition codes, etc. + * \param machine the virtual machine state to init + * \param program the fragment program we're about to run + * \param span the span of pixels we'll operate on + * \param col which element (column) of the span we'll operate on + */ +static void +init_machine(GLcontext *ctx, struct gl_program_machine *machine, + const struct gl_fragment_program *program, + const SWspan *span, GLuint col) +{ + GLuint inputsRead = program->Base.InputsRead; + + if (ctx->FragmentProgram.CallbackEnabled) + inputsRead = ~0; + + if (program->Base.Target == GL_FRAGMENT_PROGRAM_NV) { + /* Clear temporary registers (undefined for ARB_f_p) */ + _mesa_bzero(machine->Temporaries, + MAX_PROGRAM_TEMPS * 4 * sizeof(GLfloat)); + } + + /* Setup pointer to input attributes */ + machine->Attribs = span->array->attribs; + + /* Store front/back facing value in register FOGC.Y */ + machine->Attribs[FRAG_ATTRIB_FOGC][col][1] = (GLfloat) ctx->_Facing; + + machine->CurElement = col; + + /* init condition codes */ + machine->CondCodes[0] = COND_EQ; + machine->CondCodes[1] = COND_EQ; + machine->CondCodes[2] = COND_EQ; + machine->CondCodes[3] = COND_EQ; + + /* init call stack */ + machine->StackDepth = 0; + + machine->FetchTexelLod = fetch_texel; + machine->FetchTexelDeriv = fetch_texel_deriv; +} + + +/** + * Run fragment program on the pixels in span from 'start' to 'end' - 1. + */ +static void +run_program(GLcontext *ctx, SWspan *span, GLuint start, GLuint end) +{ + SWcontext *swrast = SWRAST_CONTEXT(ctx); + const struct gl_fragment_program *program = ctx->FragmentProgram._Current; + const GLbitfield outputsWritten = program->Base.OutputsWritten; + struct gl_program_machine machine; + GLuint i; + + for (i = start; i < end; i++) { + if (span->array->mask[i]) { + init_machine(ctx, &machine, program, span, i); + + if (_mesa_execute_program(ctx, &program->Base, &machine)) { + + /* Store result color */ + if (outputsWritten & (1 << FRAG_RESULT_COLR)) { + COPY_4V(span->array->attribs[FRAG_ATTRIB_COL0][i], + machine.Outputs[FRAG_RESULT_COLR]); + } + else { + /* Multiple drawbuffers / render targets + * Note that colors beyond 0 and 1 will overwrite other + * attributes, such as FOGC, TEX0, TEX1, etc. That's OK. + */ + GLuint output; + for (output = 0; output < swrast->_NumColorOutputs; output++) { + if (outputsWritten & (1 << (FRAG_RESULT_DATA0 + output))) { + COPY_4V(span->array->attribs[FRAG_ATTRIB_COL0+output][i], + machine.Outputs[FRAG_RESULT_DATA0 + output]); + } + } + } + + /* Store result depth/z */ + if (outputsWritten & (1 << FRAG_RESULT_DEPR)) { + const GLfloat depth = machine.Outputs[FRAG_RESULT_DEPR][2]; + if (depth <= 0.0) + span->array->z[i] = 0; + else if (depth >= 1.0) + span->array->z[i] = ctx->DrawBuffer->_DepthMax; + else + span->array->z[i] = IROUND(depth * ctx->DrawBuffer->_DepthMaxF); + } + } + else { + /* killed fragment */ + span->array->mask[i] = GL_FALSE; + span->writeAll = GL_FALSE; + } + } + } +} + + +/** + * Execute the current fragment program for all the fragments + * in the given span. + */ +void +_swrast_exec_fragment_program( GLcontext *ctx, SWspan *span ) +{ + const struct gl_fragment_program *program = ctx->FragmentProgram._Current; + + /* incoming colors should be floats */ + if (program->Base.InputsRead & FRAG_BIT_COL0) { + ASSERT(span->array->ChanType == GL_FLOAT); + } + + ctx->_CurrentProgram = GL_FRAGMENT_PROGRAM_ARB; /* or NV, doesn't matter */ + + run_program(ctx, span, 0, span->end); + + if (program->Base.OutputsWritten & (1 << FRAG_RESULT_COLR)) { + span->interpMask &= ~SPAN_RGBA; + span->arrayMask |= SPAN_RGBA; + } + + if (program->Base.OutputsWritten & (1 << FRAG_RESULT_DEPR)) { + span->interpMask &= ~SPAN_Z; + span->arrayMask |= SPAN_Z; + } + + ctx->_CurrentProgram = 0; +} + diff --git a/src/mesa/swrast/s_nvfragprog.h b/src/mesa/swrast/s_fragprog.h index 188bacc3d8..e1b7e67918 100644 --- a/src/mesa/swrast/s_nvfragprog.h +++ b/src/mesa/swrast/s_fragprog.h @@ -1,8 +1,8 @@ /* * Mesa 3-D graphics library - * Version: 6.1 + * Version: 6.5.3 * - * Copyright (C) 1999-2003 Brian Paul All Rights Reserved. + * Copyright (C) 1999-2006 Brian Paul All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), @@ -23,15 +23,16 @@ */ -#ifndef S_NVFRAGPROG_H -#define S_NVFRAGPROG_H +#ifndef S_FRAGPROG_H +#define S_FRAGPROG_H #include "s_context.h" extern void -_swrast_exec_fragment_program( GLcontext *ctx, SWspan *span ); +_swrast_exec_fragment_program(GLcontext *ctx, SWspan *span); -#endif +#endif /* S_FRAGPROG_H */ + diff --git a/src/mesa/swrast/s_lines.c b/src/mesa/swrast/s_lines.c index ff507249b0..7b2a52b4ff 100644 --- a/src/mesa/swrast/s_lines.c +++ b/src/mesa/swrast/s_lines.c @@ -198,6 +198,7 @@ draw_wide_line( GLcontext *ctx, SWspan *span, GLboolean xMajor ) #define INTERP_Z #define INTERP_FOG #define INTERP_MULTITEX +#define INTERP_VARYING #define RENDER_SPAN(span) \ if (ctx->Line.StippleFlag) { \ span.arrayMask |= SPAN_MASK; \ @@ -298,10 +299,12 @@ _swrast_choose_line( GLcontext *ctx ) _swrast_choose_aa_line_function(ctx); ASSERT(swrast->Line); } - else if (ctx->Texture._EnabledCoordUnits) { + else if (ctx->Texture._EnabledCoordUnits + || ctx->FragmentProgram._Current) { /* textured lines */ if (ctx->Texture._EnabledCoordUnits > 0x1 - || NEED_SECONDARY_COLOR(ctx)) { + || NEED_SECONDARY_COLOR(ctx) + || ctx->FragmentProgram._Current) { /* multi-texture and/or separate specular color */ USE(multitextured_line); } diff --git a/src/mesa/swrast/s_linetemp.h b/src/mesa/swrast/s_linetemp.h index 8b3918511d..7b66291eb5 100644 --- a/src/mesa/swrast/s_linetemp.h +++ b/src/mesa/swrast/s_linetemp.h @@ -37,6 +37,7 @@ * INTERP_INDEX - if defined, interpolate color index values * INTERP_TEX - if defined, interpolate unit 0 texcoords * INTERP_MULTITEX - if defined, interpolate multi-texcoords + * INTERP_VARYING - if defined, interpolate GLSL varyings * * When one can directly address pixels in the color buffer the following * macros can be defined and used to directly compute pixel addresses during @@ -70,6 +71,7 @@ static void NAME( GLcontext *ctx, const SWvertex *vert0, const SWvertex *vert1 ) { + const SWcontext *swrast = SWRAST_CONTEXT(ctx); SWspan span; GLuint interpFlags = 0; GLint x0 = (GLint) vert0->win[0]; @@ -99,6 +101,8 @@ NAME( GLcontext *ctx, const SWvertex *vert0, const SWvertex *vert1 ) SETUP_CODE #endif + (void) swrast; + /* Cull primitives with malformed coordinates. */ { @@ -276,8 +280,8 @@ NAME( GLcontext *ctx, const SWvertex *vert0, const SWvertex *vert1 ) #endif #ifdef INTERP_FOG interpFlags |= SPAN_FOG; - span.fog = vert0->fog; - span.fogStep = (vert1->fog - vert0->fog) / numPixels; + span.attrStart[FRAG_ATTRIB_FOGC][0] = vert0->fog; + span.attrStepX[FRAG_ATTRIB_FOGC][0] = (vert1->fog - vert0->fog) / numPixels; #endif #ifdef INTERP_TEX interpFlags |= SPAN_TEXTURE; @@ -286,50 +290,50 @@ NAME( GLcontext *ctx, const SWvertex *vert0, const SWvertex *vert1 ) const GLfloat invw1 = vert1->win[3]; const GLfloat invLen = 1.0F / numPixels; GLfloat ds, dt, dr, dq; - span.tex[0][0] = invw0 * vert0->texcoord[0][0]; - span.tex[0][1] = invw0 * vert0->texcoord[0][1]; - span.tex[0][2] = invw0 * vert0->texcoord[0][2]; - span.tex[0][3] = invw0 * vert0->texcoord[0][3]; - ds = (invw1 * vert1->texcoord[0][0]) - span.tex[0][0]; - dt = (invw1 * vert1->texcoord[0][1]) - span.tex[0][1]; - dr = (invw1 * vert1->texcoord[0][2]) - span.tex[0][2]; - dq = (invw1 * vert1->texcoord[0][3]) - span.tex[0][3]; - span.texStepX[0][0] = ds * invLen; - span.texStepX[0][1] = dt * invLen; - span.texStepX[0][2] = dr * invLen; - span.texStepX[0][3] = dq * invLen; - span.texStepY[0][0] = 0.0F; - span.texStepY[0][1] = 0.0F; - span.texStepY[0][2] = 0.0F; - span.texStepY[0][3] = 0.0F; + span.attrStart[FRAG_ATTRIB_TEX0][0] = invw0 * vert0->attrib[FRAG_ATTRIB_TEX0][0]; + span.attrStart[FRAG_ATTRIB_TEX0][1] = invw0 * vert0->attrib[FRAG_ATTRIB_TEX0][1]; + span.attrStart[FRAG_ATTRIB_TEX0][2] = invw0 * vert0->attrib[FRAG_ATTRIB_TEX0][2]; + span.attrStart[FRAG_ATTRIB_TEX0][3] = invw0 * vert0->attrib[FRAG_ATTRIB_TEX0][3]; + ds = (invw1 * vert1->attrib[FRAG_ATTRIB_TEX0][0]) - span.attrStart[FRAG_ATTRIB_TEX0][0]; + dt = (invw1 * vert1->attrib[FRAG_ATTRIB_TEX0][1]) - span.attrStart[FRAG_ATTRIB_TEX0][1]; + dr = (invw1 * vert1->attrib[FRAG_ATTRIB_TEX0][2]) - span.attrStart[FRAG_ATTRIB_TEX0][2]; + dq = (invw1 * vert1->attrib[FRAG_ATTRIB_TEX0][3]) - span.attrStart[FRAG_ATTRIB_TEX0][3]; + span.attrStepX[FRAG_ATTRIB_TEX0][0] = ds * invLen; + span.attrStepX[FRAG_ATTRIB_TEX0][1] = dt * invLen; + span.attrStepX[FRAG_ATTRIB_TEX0][2] = dr * invLen; + span.attrStepX[FRAG_ATTRIB_TEX0][3] = dq * invLen; + span.attrStepY[FRAG_ATTRIB_TEX0][0] = 0.0F; + span.attrStepY[FRAG_ATTRIB_TEX0][1] = 0.0F; + span.attrStepY[FRAG_ATTRIB_TEX0][2] = 0.0F; + span.attrStepY[FRAG_ATTRIB_TEX0][3] = 0.0F; } #endif -#ifdef INTERP_MULTITEX - interpFlags |= SPAN_TEXTURE; +#if defined(INTERP_MULTITEX) || defined(INTERP_VARYING) + interpFlags |= (SPAN_TEXTURE | SPAN_VARYING); { const GLfloat invLen = 1.0F / numPixels; - GLuint u; - for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { - if (ctx->Texture.Unit[u]._ReallyEnabled) { - const GLfloat invw0 = vert0->win[3]; - const GLfloat invw1 = vert1->win[3]; + const GLfloat invw0 = vert0->win[3]; + const GLfloat invw1 = vert1->win[3]; + GLuint attr; + for (attr = swrast->_MinFragmentAttrib; attr < swrast->_MaxFragmentAttrib; attr++) { + if (swrast->_FragmentAttribs & (1 << attr)) { GLfloat ds, dt, dr, dq; - span.tex[u][0] = invw0 * vert0->texcoord[u][0]; - span.tex[u][1] = invw0 * vert0->texcoord[u][1]; - span.tex[u][2] = invw0 * vert0->texcoord[u][2]; - span.tex[u][3] = invw0 * vert0->texcoord[u][3]; - ds = (invw1 * vert1->texcoord[u][0]) - span.tex[u][0]; - dt = (invw1 * vert1->texcoord[u][1]) - span.tex[u][1]; - dr = (invw1 * vert1->texcoord[u][2]) - span.tex[u][2]; - dq = (invw1 * vert1->texcoord[u][3]) - span.tex[u][3]; - span.texStepX[u][0] = ds * invLen; - span.texStepX[u][1] = dt * invLen; - span.texStepX[u][2] = dr * invLen; - span.texStepX[u][3] = dq * invLen; - span.texStepY[u][0] = 0.0F; - span.texStepY[u][1] = 0.0F; - span.texStepY[u][2] = 0.0F; - span.texStepY[u][3] = 0.0F; + span.attrStart[attr][0] = invw0 * vert0->attrib[attr][0]; + span.attrStart[attr][1] = invw0 * vert0->attrib[attr][1]; + span.attrStart[attr][2] = invw0 * vert0->attrib[attr][2]; + span.attrStart[attr][3] = invw0 * vert0->attrib[attr][3]; + ds = (invw1 * vert1->attrib[attr][0]) - span.attrStart[attr][0]; + dt = (invw1 * vert1->attrib[attr][1]) - span.attrStart[attr][1]; + dr = (invw1 * vert1->attrib[attr][2]) - span.attrStart[attr][2]; + dq = (invw1 * vert1->attrib[attr][3]) - span.attrStart[attr][3]; + span.attrStepX[attr][0] = ds * invLen; + span.attrStepX[attr][1] = dt * invLen; + span.attrStepX[attr][2] = dr * invLen; + span.attrStepX[attr][3] = dq * invLen; + span.attrStepY[attr][0] = 0.0F; + span.attrStepY[attr][1] = 0.0F; + span.attrStepY[attr][2] = 0.0F; + span.attrStepY[attr][3] = 0.0F; } } } @@ -338,9 +342,9 @@ NAME( GLcontext *ctx, const SWvertex *vert0, const SWvertex *vert1 ) INIT_SPAN(span, GL_LINE, numPixels, interpFlags, SPAN_XY); /* Need these for fragment prog texcoord interpolation */ - span.w = 1.0F; - span.dwdx = 0.0F; - span.dwdy = 0.0F; + span.attrStart[FRAG_ATTRIB_WPOS][3] = 1.0F; + span.attrStepX[FRAG_ATTRIB_WPOS][3] = 0.0F; + span.attrStepY[FRAG_ATTRIB_WPOS][3] = 0.0F; /* * Draw diff --git a/src/mesa/swrast/s_logic.c b/src/mesa/swrast/s_logic.c index 719b17962d..e680732bee 100644 --- a/src/mesa/swrast/s_logic.c +++ b/src/mesa/swrast/s_logic.c @@ -240,7 +240,7 @@ _swrast_logicop_rgba_span(GLcontext *ctx, struct gl_renderbuffer *rb, } else { logicop_uint4(ctx, 4 * span->end, - (GLuint *) span->array->color.sz4.rgba, + (GLuint *) span->array->attribs[FRAG_ATTRIB_COL0], (const GLuint *) rbPixels, span->array->mask); } } diff --git a/src/mesa/swrast/s_masking.c b/src/mesa/swrast/s_masking.c index 65c984dd3e..8800f7d8e3 100644 --- a/src/mesa/swrast/s_masking.c +++ b/src/mesa/swrast/s_masking.c @@ -91,7 +91,7 @@ _swrast_mask_rgba_span(GLcontext *ctx, struct gl_renderbuffer *rb, const GLuint bMask = ctx->Color.ColorMask[BCOMP] ? ~0x0 : 0x0; const GLuint aMask = ctx->Color.ColorMask[ACOMP] ? ~0x0 : 0x0; const GLuint (*dst)[4] = (const GLuint (*)[4]) rbPixels; - GLuint (*src)[4] = (GLuint (*)[4]) span->array->color.sz4.rgba; + GLuint (*src)[4] = (GLuint (*)[4]) span->array->attribs[FRAG_ATTRIB_COL0]; GLuint i; for (i = 0; i < n; i++) { src[i][RCOMP] = (src[i][RCOMP] & rMask) | (dst[i][RCOMP] & ~rMask); diff --git a/src/mesa/swrast/s_nvfragprog.c b/src/mesa/swrast/s_nvfragprog.c deleted file mode 100644 index 028ddc0090..0000000000 --- a/src/mesa/swrast/s_nvfragprog.c +++ /dev/null @@ -1,1665 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 6.5.2 - * - * Copyright (C) 1999-2006 Brian Paul All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN - * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * Regarding GL_NV_fragment_program: - * - * Portions of this software may use or implement intellectual - * property owned and licensed by NVIDIA Corporation. NVIDIA disclaims - * any and all warranties with respect to such intellectual property, - * including any use thereof or modifications thereto. - */ - -#include "glheader.h" -#include "colormac.h" -#include "context.h" -#include "program_instruction.h" -#include "program.h" - -#include "s_nvfragprog.h" -#include "s_span.h" - - -/* See comments below for info about this */ -#define LAMBDA_ZERO 1 - -/* debug predicate */ -#define DEBUG_FRAG 0 - - -/** - * Virtual machine state used during execution of a fragment programs. - */ -struct fp_machine -{ - GLfloat Temporaries[MAX_NV_FRAGMENT_PROGRAM_TEMPS][4]; - GLfloat Inputs[MAX_NV_FRAGMENT_PROGRAM_INPUTS][4]; - GLfloat Outputs[MAX_NV_FRAGMENT_PROGRAM_OUTPUTS][4]; - GLuint CondCodes[4]; /**< COND_* value for x/y/z/w */ - - GLuint CallStack[MAX_PROGRAM_CALL_DEPTH]; /**< For CAL/RET instructions */ - GLuint StackDepth; /**< Index/ptr to top of CallStack[] */ -}; - - -#if FEATURE_MESA_program_debug -static struct fp_machine *CurrentMachine = NULL; - -/** - * For GL_MESA_program_debug. - * Return current value (4*GLfloat) of a fragment program register. - * Called via ctx->Driver.GetFragmentProgramRegister(). - */ -void -_swrast_get_program_register(GLcontext *ctx, enum register_file file, - GLuint index, GLfloat val[4]) -{ - if (CurrentMachine) { - switch (file) { - case PROGRAM_INPUT: - COPY_4V(val, CurrentMachine->Inputs[index]); - break; - case PROGRAM_OUTPUT: - COPY_4V(val, CurrentMachine->Outputs[index]); - break; - case PROGRAM_TEMPORARY: - COPY_4V(val, CurrentMachine->Temporaries[index]); - break; - default: - _mesa_problem(NULL, - "bad register file in _swrast_get_program_register"); - } - } -} -#endif /* FEATURE_MESA_program_debug */ - - -/** - * Fetch a texel. - */ -static void -fetch_texel( GLcontext *ctx, const GLfloat texcoord[4], GLfloat lambda, - GLuint unit, GLfloat color[4] ) -{ - GLchan rgba[4]; - SWcontext *swrast = SWRAST_CONTEXT(ctx); - - /* XXX use a float-valued TextureSample routine here!!! */ - swrast->TextureSample[unit](ctx, ctx->Texture.Unit[unit]._Current, - 1, (const GLfloat (*)[4]) texcoord, - &lambda, &rgba); - color[0] = CHAN_TO_FLOAT(rgba[0]); - color[1] = CHAN_TO_FLOAT(rgba[1]); - color[2] = CHAN_TO_FLOAT(rgba[2]); - color[3] = CHAN_TO_FLOAT(rgba[3]); -} - - -/** - * Fetch a texel with the given partial derivatives to compute a level - * of detail in the mipmap. - */ -static void -fetch_texel_deriv( GLcontext *ctx, const GLfloat texcoord[4], - const GLfloat texdx[4], const GLfloat texdy[4], - GLuint unit, GLfloat color[4] ) -{ - SWcontext *swrast = SWRAST_CONTEXT(ctx); - const struct gl_texture_object *texObj = ctx->Texture.Unit[unit]._Current; - const struct gl_texture_image *texImg = texObj->Image[0][texObj->BaseLevel]; - const GLfloat texW = (GLfloat) texImg->WidthScale; - const GLfloat texH = (GLfloat) texImg->HeightScale; - GLchan rgba[4]; - - GLfloat lambda = _swrast_compute_lambda(texdx[0], texdy[0], /* ds/dx, ds/dy */ - texdx[1], texdy[1], /* dt/dx, dt/dy */ - texdx[3], texdy[2], /* dq/dx, dq/dy */ - texW, texH, - texcoord[0], texcoord[1], texcoord[3], - 1.0F / texcoord[3]); - - swrast->TextureSample[unit](ctx, ctx->Texture.Unit[unit]._Current, - 1, (const GLfloat (*)[4]) texcoord, - &lambda, &rgba); - color[0] = CHAN_TO_FLOAT(rgba[0]); - color[1] = CHAN_TO_FLOAT(rgba[1]); - color[2] = CHAN_TO_FLOAT(rgba[2]); - color[3] = CHAN_TO_FLOAT(rgba[3]); -} - - -/** - * Return a pointer to the 4-element float vector specified by the given - * source register. - */ -static INLINE const GLfloat * -get_register_pointer( GLcontext *ctx, - const struct prog_src_register *source, - const struct fp_machine *machine, - const struct gl_fragment_program *program ) -{ - switch (source->File) { - case PROGRAM_TEMPORARY: - ASSERT(source->Index < MAX_NV_FRAGMENT_PROGRAM_TEMPS); - return machine->Temporaries[source->Index]; - case PROGRAM_INPUT: - ASSERT(source->Index < MAX_NV_FRAGMENT_PROGRAM_INPUTS); - return machine->Inputs[source->Index]; - case PROGRAM_OUTPUT: - /* This is only for PRINT */ - ASSERT(source->Index < MAX_NV_FRAGMENT_PROGRAM_OUTPUTS); - return machine->Outputs[source->Index]; - case PROGRAM_LOCAL_PARAM: - ASSERT(source->Index < MAX_PROGRAM_LOCAL_PARAMS); - return program->Base.LocalParams[source->Index]; - case PROGRAM_ENV_PARAM: - ASSERT(source->Index < MAX_NV_FRAGMENT_PROGRAM_PARAMS); - return ctx->FragmentProgram.Parameters[source->Index]; - case PROGRAM_STATE_VAR: - /* Fallthrough */ - case PROGRAM_CONSTANT: - /* Fallthrough */ - case PROGRAM_NAMED_PARAM: - ASSERT(source->Index < (GLint) program->Base.Parameters->NumParameters); - return program->Base.Parameters->ParameterValues[source->Index]; - default: - _mesa_problem(ctx, "Invalid input register file %d in fp " - "get_register_pointer", source->File); - return NULL; - } -} - - -/** - * Fetch a 4-element float vector from the given source register. - * Apply swizzling and negating as needed. - */ -static void -fetch_vector4( GLcontext *ctx, - const struct prog_src_register *source, - const struct fp_machine *machine, - const struct gl_fragment_program *program, - GLfloat result[4] ) -{ - const GLfloat *src = get_register_pointer(ctx, source, machine, program); - ASSERT(src); - - if (source->Swizzle == MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, - SWIZZLE_Z, SWIZZLE_W)) { - /* no swizzling */ - COPY_4V(result, src); - } - else { - result[0] = src[GET_SWZ(source->Swizzle, 0)]; - result[1] = src[GET_SWZ(source->Swizzle, 1)]; - result[2] = src[GET_SWZ(source->Swizzle, 2)]; - result[3] = src[GET_SWZ(source->Swizzle, 3)]; - } - - if (source->NegateBase) { - result[0] = -result[0]; - result[1] = -result[1]; - result[2] = -result[2]; - result[3] = -result[3]; - } - if (source->Abs) { - result[0] = FABSF(result[0]); - result[1] = FABSF(result[1]); - result[2] = FABSF(result[2]); - result[3] = FABSF(result[3]); - } - if (source->NegateAbs) { - result[0] = -result[0]; - result[1] = -result[1]; - result[2] = -result[2]; - result[3] = -result[3]; - } -} - - -/** - * Fetch the derivative with respect to X for the given register. - * \return GL_TRUE if it was easily computed or GL_FALSE if we - * need to execute another instance of the program (ugh)! - */ -static GLboolean -fetch_vector4_deriv( GLcontext *ctx, - const struct prog_src_register *source, - const SWspan *span, - char xOrY, GLint column, GLfloat result[4] ) -{ - GLfloat src[4]; - - ASSERT(xOrY == 'X' || xOrY == 'Y'); - - switch (source->Index) { - case FRAG_ATTRIB_WPOS: - if (xOrY == 'X') { - src[0] = 1.0; - src[1] = 0.0; - src[2] = span->dzdx / ctx->DrawBuffer->_DepthMaxF; - src[3] = span->dwdx; - } - else { - src[0] = 0.0; - src[1] = 1.0; - src[2] = span->dzdy / ctx->DrawBuffer->_DepthMaxF; - src[3] = span->dwdy; - } - break; - case FRAG_ATTRIB_COL0: - if (xOrY == 'X') { - src[0] = span->drdx * (1.0F / CHAN_MAXF); - src[1] = span->dgdx * (1.0F / CHAN_MAXF); - src[2] = span->dbdx * (1.0F / CHAN_MAXF); - src[3] = span->dadx * (1.0F / CHAN_MAXF); - } - else { - src[0] = span->drdy * (1.0F / CHAN_MAXF); - src[1] = span->dgdy * (1.0F / CHAN_MAXF); - src[2] = span->dbdy * (1.0F / CHAN_MAXF); - src[3] = span->dady * (1.0F / CHAN_MAXF); - } - break; - case FRAG_ATTRIB_COL1: - if (xOrY == 'X') { - src[0] = span->dsrdx * (1.0F / CHAN_MAXF); - src[1] = span->dsgdx * (1.0F / CHAN_MAXF); - src[2] = span->dsbdx * (1.0F / CHAN_MAXF); - src[3] = 0.0; /* XXX need this */ - } - else { - src[0] = span->dsrdy * (1.0F / CHAN_MAXF); - src[1] = span->dsgdy * (1.0F / CHAN_MAXF); - src[2] = span->dsbdy * (1.0F / CHAN_MAXF); - src[3] = 0.0; /* XXX need this */ - } - break; - case FRAG_ATTRIB_FOGC: - if (xOrY == 'X') { - src[0] = span->dfogdx; - src[1] = 0.0; - src[2] = 0.0; - src[3] = 0.0; - } - else { - src[0] = span->dfogdy; - src[1] = 0.0; - src[2] = 0.0; - src[3] = 0.0; - } - break; - case FRAG_ATTRIB_TEX0: - case FRAG_ATTRIB_TEX1: - case FRAG_ATTRIB_TEX2: - case FRAG_ATTRIB_TEX3: - case FRAG_ATTRIB_TEX4: - case FRAG_ATTRIB_TEX5: - case FRAG_ATTRIB_TEX6: - case FRAG_ATTRIB_TEX7: - if (xOrY == 'X') { - const GLuint u = source->Index - FRAG_ATTRIB_TEX0; - /* this is a little tricky - I think I've got it right */ - const GLfloat invQ = 1.0f / (span->tex[u][3] - + span->texStepX[u][3] * column); - src[0] = span->texStepX[u][0] * invQ; - src[1] = span->texStepX[u][1] * invQ; - src[2] = span->texStepX[u][2] * invQ; - src[3] = span->texStepX[u][3] * invQ; - } - else { - const GLuint u = source->Index - FRAG_ATTRIB_TEX0; - /* Tricky, as above, but in Y direction */ - const GLfloat invQ = 1.0f / (span->tex[u][3] + span->texStepY[u][3]); - src[0] = span->texStepY[u][0] * invQ; - src[1] = span->texStepY[u][1] * invQ; - src[2] = span->texStepY[u][2] * invQ; - src[3] = span->texStepY[u][3] * invQ; - } - break; - default: - return GL_FALSE; - } - - result[0] = src[GET_SWZ(source->Swizzle, 0)]; - result[1] = src[GET_SWZ(source->Swizzle, 1)]; - result[2] = src[GET_SWZ(source->Swizzle, 2)]; - result[3] = src[GET_SWZ(source->Swizzle, 3)]; - - if (source->NegateBase) { - result[0] = -result[0]; - result[1] = -result[1]; - result[2] = -result[2]; - result[3] = -result[3]; - } - if (source->Abs) { - result[0] = FABSF(result[0]); - result[1] = FABSF(result[1]); - result[2] = FABSF(result[2]); - result[3] = FABSF(result[3]); - } - if (source->NegateAbs) { - result[0] = -result[0]; - result[1] = -result[1]; - result[2] = -result[2]; - result[3] = -result[3]; - } - return GL_TRUE; -} - - -/** - * As above, but only return result[0] element. - */ -static void -fetch_vector1( GLcontext *ctx, - const struct prog_src_register *source, - const struct fp_machine *machine, - const struct gl_fragment_program *program, - GLfloat result[4] ) -{ - const GLfloat *src = get_register_pointer(ctx, source, machine, program); - ASSERT(src); - - result[0] = src[GET_SWZ(source->Swizzle, 0)]; - - if (source->NegateBase) { - result[0] = -result[0]; - } - if (source->Abs) { - result[0] = FABSF(result[0]); - } - if (source->NegateAbs) { - result[0] = -result[0]; - } -} - - -/** - * Test value against zero and return GT, LT, EQ or UN if NaN. - */ -static INLINE GLuint -generate_cc( float value ) -{ - if (value != value) - return COND_UN; /* NaN */ - if (value > 0.0F) - return COND_GT; - if (value < 0.0F) - return COND_LT; - return COND_EQ; -} - - -/** - * Test if the ccMaskRule is satisfied by the given condition code. - * Used to mask destination writes according to the current condition code. - */ -static INLINE GLboolean -test_cc(GLuint condCode, GLuint ccMaskRule) -{ - switch (ccMaskRule) { - case COND_EQ: return (condCode == COND_EQ); - case COND_NE: return (condCode != COND_EQ); - case COND_LT: return (condCode == COND_LT); - case COND_GE: return (condCode == COND_GT || condCode == COND_EQ); - case COND_LE: return (condCode == COND_LT || condCode == COND_EQ); - case COND_GT: return (condCode == COND_GT); - case COND_TR: return GL_TRUE; - case COND_FL: return GL_FALSE; - default: return GL_TRUE; - } -} - - -/** - * Store 4 floats into a register. Observe the instructions saturate and - * set-condition-code flags. - */ -static void -store_vector4( const struct prog_instruction *inst, - struct fp_machine *machine, - const GLfloat value[4] ) -{ - const struct prog_dst_register *dest = &(inst->DstReg); - const GLboolean clamp = inst->SaturateMode == SATURATE_ZERO_ONE; - GLfloat *dstReg; - GLfloat dummyReg[4]; - GLfloat clampedValue[4]; - GLuint writeMask = dest->WriteMask; - - switch (dest->File) { - case PROGRAM_OUTPUT: - dstReg = machine->Outputs[dest->Index]; - break; - case PROGRAM_TEMPORARY: - dstReg = machine->Temporaries[dest->Index]; - break; - case PROGRAM_WRITE_ONLY: - dstReg = dummyReg; - return; - default: - _mesa_problem(NULL, "bad register file in store_vector4(fp)"); - return; - } - -#if 0 - if (value[0] > 1.0e10 || - IS_INF_OR_NAN(value[0]) || - IS_INF_OR_NAN(value[1]) || - IS_INF_OR_NAN(value[2]) || - IS_INF_OR_NAN(value[3]) ) - printf("store %g %g %g %g\n", value[0], value[1], value[2], value[3]); -#endif - - if (clamp) { - clampedValue[0] = CLAMP(value[0], 0.0F, 1.0F); - clampedValue[1] = CLAMP(value[1], 0.0F, 1.0F); - clampedValue[2] = CLAMP(value[2], 0.0F, 1.0F); - clampedValue[3] = CLAMP(value[3], 0.0F, 1.0F); - value = clampedValue; - } - - if (dest->CondMask != COND_TR) { - /* condition codes may turn off some writes */ - if (writeMask & WRITEMASK_X) { - if (!test_cc(machine->CondCodes[GET_SWZ(dest->CondSwizzle, 0)], - dest->CondMask)) - writeMask &= ~WRITEMASK_X; - } - if (writeMask & WRITEMASK_Y) { - if (!test_cc(machine->CondCodes[GET_SWZ(dest->CondSwizzle, 1)], - dest->CondMask)) - writeMask &= ~WRITEMASK_Y; - } - if (writeMask & WRITEMASK_Z) { - if (!test_cc(machine->CondCodes[GET_SWZ(dest->CondSwizzle, 2)], - dest->CondMask)) - writeMask &= ~WRITEMASK_Z; - } - if (writeMask & WRITEMASK_W) { - if (!test_cc(machine->CondCodes[GET_SWZ(dest->CondSwizzle, 3)], - dest->CondMask)) - writeMask &= ~WRITEMASK_W; - } - } - - if (writeMask & WRITEMASK_X) - dstReg[0] = value[0]; - if (writeMask & WRITEMASK_Y) - dstReg[1] = value[1]; - if (writeMask & WRITEMASK_Z) - dstReg[2] = value[2]; - if (writeMask & WRITEMASK_W) - dstReg[3] = value[3]; - - if (inst->CondUpdate) { - if (writeMask & WRITEMASK_X) - machine->CondCodes[0] = generate_cc(value[0]); - if (writeMask & WRITEMASK_Y) - machine->CondCodes[1] = generate_cc(value[1]); - if (writeMask & WRITEMASK_Z) - machine->CondCodes[2] = generate_cc(value[2]); - if (writeMask & WRITEMASK_W) - machine->CondCodes[3] = generate_cc(value[3]); - } -} - - -/** - * Initialize a new machine state instance from an existing one, adding - * the partial derivatives onto the input registers. - * Used to implement DDX and DDY instructions in non-trivial cases. - */ -static void -init_machine_deriv( GLcontext *ctx, - const struct fp_machine *machine, - const struct gl_fragment_program *program, - const SWspan *span, char xOrY, - struct fp_machine *dMachine ) -{ - GLuint u; - - ASSERT(xOrY == 'X' || xOrY == 'Y'); - - /* copy existing machine */ - _mesa_memcpy(dMachine, machine, sizeof(struct fp_machine)); - - if (program->Base.Target == GL_FRAGMENT_PROGRAM_NV) { - /* Clear temporary registers (undefined for ARB_f_p) */ - _mesa_bzero( (void*) machine->Temporaries, - MAX_NV_FRAGMENT_PROGRAM_TEMPS * 4 * sizeof(GLfloat)); - } - - /* Add derivatives */ - if (program->Base.InputsRead & (1 << FRAG_ATTRIB_WPOS)) { - GLfloat *wpos = (GLfloat*) machine->Inputs[FRAG_ATTRIB_WPOS]; - if (xOrY == 'X') { - wpos[0] += 1.0F; - wpos[1] += 0.0F; - wpos[2] += span->dzdx; - wpos[3] += span->dwdx; - } - else { - wpos[0] += 0.0F; - wpos[1] += 1.0F; - wpos[2] += span->dzdy; - wpos[3] += span->dwdy; - } - } - if (program->Base.InputsRead & (1 << FRAG_ATTRIB_COL0)) { - GLfloat *col0 = (GLfloat*) machine->Inputs[FRAG_ATTRIB_COL0]; - if (xOrY == 'X') { - col0[0] += span->drdx * (1.0F / CHAN_MAXF); - col0[1] += span->dgdx * (1.0F / CHAN_MAXF); - col0[2] += span->dbdx * (1.0F / CHAN_MAXF); - col0[3] += span->dadx * (1.0F / CHAN_MAXF); - } - else { - col0[0] += span->drdy * (1.0F / CHAN_MAXF); - col0[1] += span->dgdy * (1.0F / CHAN_MAXF); - col0[2] += span->dbdy * (1.0F / CHAN_MAXF); - col0[3] += span->dady * (1.0F / CHAN_MAXF); - } - } - if (program->Base.InputsRead & (1 << FRAG_ATTRIB_COL1)) { - GLfloat *col1 = (GLfloat*) machine->Inputs[FRAG_ATTRIB_COL1]; - if (xOrY == 'X') { - col1[0] += span->dsrdx * (1.0F / CHAN_MAXF); - col1[1] += span->dsgdx * (1.0F / CHAN_MAXF); - col1[2] += span->dsbdx * (1.0F / CHAN_MAXF); - col1[3] += 0.0; /*XXX fix */ - } - else { - col1[0] += span->dsrdy * (1.0F / CHAN_MAXF); - col1[1] += span->dsgdy * (1.0F / CHAN_MAXF); - col1[2] += span->dsbdy * (1.0F / CHAN_MAXF); - col1[3] += 0.0; /*XXX fix */ - } - } - if (program->Base.InputsRead & (1 << FRAG_ATTRIB_FOGC)) { - GLfloat *fogc = (GLfloat*) machine->Inputs[FRAG_ATTRIB_FOGC]; - if (xOrY == 'X') { - fogc[0] += span->dfogdx; - } - else { - fogc[0] += span->dfogdy; - } - } - for (u = 0; u < ctx->Const.MaxTextureCoordUnits; u++) { - if (program->Base.InputsRead & (1 << (FRAG_ATTRIB_TEX0 + u))) { - GLfloat *tex = (GLfloat*) machine->Inputs[FRAG_ATTRIB_TEX0 + u]; - /* XXX perspective-correct interpolation */ - if (xOrY == 'X') { - tex[0] += span->texStepX[u][0]; - tex[1] += span->texStepX[u][1]; - tex[2] += span->texStepX[u][2]; - tex[3] += span->texStepX[u][3]; - } - else { - tex[0] += span->texStepY[u][0]; - tex[1] += span->texStepY[u][1]; - tex[2] += span->texStepY[u][2]; - tex[3] += span->texStepY[u][3]; - } - } - } - - /* init condition codes */ - dMachine->CondCodes[0] = COND_EQ; - dMachine->CondCodes[1] = COND_EQ; - dMachine->CondCodes[2] = COND_EQ; - dMachine->CondCodes[3] = COND_EQ; -} - - -/** - * Execute the given vertex program. - * NOTE: we do everything in single-precision floating point; we don't - * currently observe the single/half/fixed-precision qualifiers. - * \param ctx - rendering context - * \param program - the fragment program to execute - * \param machine - machine state (register file) - * \param maxInst - max number of instructions to execute - * \return GL_TRUE if program completed or GL_FALSE if program executed KIL. - */ -static GLboolean -execute_program( GLcontext *ctx, - const struct gl_fragment_program *program, GLuint maxInst, - struct fp_machine *machine, const SWspan *span, - GLuint column ) -{ - GLuint pc; - - if (DEBUG_FRAG) { - printf("execute fragment program --------------------\n"); - } - - for (pc = 0; pc < maxInst; pc++) { - const struct prog_instruction *inst = program->Base.Instructions + pc; - - if (ctx->FragmentProgram.CallbackEnabled && - ctx->FragmentProgram.Callback) { - ctx->FragmentProgram.CurrentPosition = inst->StringPos; - ctx->FragmentProgram.Callback(program->Base.Target, - ctx->FragmentProgram.CallbackData); - } - - if (DEBUG_FRAG) { - _mesa_print_instruction(inst); - } - - switch (inst->Opcode) { - case OPCODE_ABS: - { - GLfloat a[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, program, a ); - result[0] = FABSF(a[0]); - result[1] = FABSF(a[1]); - result[2] = FABSF(a[2]); - result[3] = FABSF(a[3]); - store_vector4( inst, machine, result ); - } - break; - case OPCODE_ADD: - { - GLfloat a[4], b[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, program, a ); - fetch_vector4( ctx, &inst->SrcReg[1], machine, program, b ); - result[0] = a[0] + b[0]; - result[1] = a[1] + b[1]; - result[2] = a[2] + b[2]; - result[3] = a[3] + b[3]; - store_vector4( inst, machine, result ); - if (DEBUG_FRAG) { - printf("ADD (%g %g %g %g) = (%g %g %g %g) + (%g %g %g %g)\n", - result[0], result[1], result[2], result[3], - a[0], a[1], a[2], a[3], - b[0], b[1], b[2], b[3]); - } - } - break; - case OPCODE_BRA: /* conditional branch */ - { - /* NOTE: The return is conditional! */ - const GLuint swizzle = inst->DstReg.CondSwizzle; - const GLuint condMask = inst->DstReg.CondMask; - if (test_cc(machine->CondCodes[GET_SWZ(swizzle, 0)], condMask) || - test_cc(machine->CondCodes[GET_SWZ(swizzle, 1)], condMask) || - test_cc(machine->CondCodes[GET_SWZ(swizzle, 2)], condMask) || - test_cc(machine->CondCodes[GET_SWZ(swizzle, 3)], condMask)) { - /* take branch */ - pc = inst->BranchTarget; - } - } - break; - case OPCODE_CAL: /* Call subroutine */ - { - /* NOTE: The call is conditional! */ - const GLuint swizzle = inst->DstReg.CondSwizzle; - const GLuint condMask = inst->DstReg.CondMask; - if (test_cc(machine->CondCodes[GET_SWZ(swizzle, 0)], condMask) || - test_cc(machine->CondCodes[GET_SWZ(swizzle, 1)], condMask) || - test_cc(machine->CondCodes[GET_SWZ(swizzle, 2)], condMask) || - test_cc(machine->CondCodes[GET_SWZ(swizzle, 3)], condMask)) { - if (machine->StackDepth >= MAX_PROGRAM_CALL_DEPTH) { - return GL_TRUE; /* Per GL_NV_vertex_program2 spec */ - } - machine->CallStack[machine->StackDepth++] = pc + 1; - pc = inst->BranchTarget; - } - } - break; - case OPCODE_CMP: - { - GLfloat a[4], b[4], c[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, program, a ); - fetch_vector4( ctx, &inst->SrcReg[1], machine, program, b ); - fetch_vector4( ctx, &inst->SrcReg[2], machine, program, c ); - result[0] = a[0] < 0.0F ? b[0] : c[0]; - result[1] = a[1] < 0.0F ? b[1] : c[1]; - result[2] = a[2] < 0.0F ? b[2] : c[2]; - result[3] = a[3] < 0.0F ? b[3] : c[3]; - store_vector4( inst, machine, result ); - } - break; - case OPCODE_COS: - { - GLfloat a[4], result[4]; - fetch_vector1( ctx, &inst->SrcReg[0], machine, program, a ); - result[0] = result[1] = result[2] = result[3] - = (GLfloat) _mesa_cos(a[0]); - store_vector4( inst, machine, result ); - } - break; - case OPCODE_DDX: /* Partial derivative with respect to X */ - { - GLfloat a[4], aNext[4], result[4]; - struct fp_machine dMachine; - if (!fetch_vector4_deriv(ctx, &inst->SrcReg[0], span, 'X', - column, result)) { - /* This is tricky. Make a copy of the current machine state, - * increment the input registers by the dx or dy partial - * derivatives, then re-execute the program up to the - * preceeding instruction, then fetch the source register. - * Finally, find the difference in the register values for - * the original and derivative runs. - */ - fetch_vector4( ctx, &inst->SrcReg[0], machine, program, a); - init_machine_deriv(ctx, machine, program, span, - 'X', &dMachine); - execute_program(ctx, program, pc, &dMachine, span, column); - fetch_vector4( ctx, &inst->SrcReg[0], &dMachine, program, aNext ); - result[0] = aNext[0] - a[0]; - result[1] = aNext[1] - a[1]; - result[2] = aNext[2] - a[2]; - result[3] = aNext[3] - a[3]; - } - store_vector4( inst, machine, result ); - } - break; - case OPCODE_DDY: /* Partial derivative with respect to Y */ - { - GLfloat a[4], aNext[4], result[4]; - struct fp_machine dMachine; - if (!fetch_vector4_deriv(ctx, &inst->SrcReg[0], span, 'Y', - column, result)) { - init_machine_deriv(ctx, machine, program, span, - 'Y', &dMachine); - fetch_vector4( ctx, &inst->SrcReg[0], machine, program, a); - execute_program(ctx, program, pc, &dMachine, span, column); - fetch_vector4( ctx, &inst->SrcReg[0], &dMachine, program, aNext ); - result[0] = aNext[0] - a[0]; - result[1] = aNext[1] - a[1]; - result[2] = aNext[2] - a[2]; - result[3] = aNext[3] - a[3]; - } - store_vector4( inst, machine, result ); - } - break; - case OPCODE_DP3: - { - GLfloat a[4], b[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, program, a ); - fetch_vector4( ctx, &inst->SrcReg[1], machine, program, b ); - result[0] = result[1] = result[2] = result[3] = DOT3(a, b); - store_vector4( inst, machine, result ); - if (DEBUG_FRAG) { - printf("DP3 %g = (%g %g %g) . (%g %g %g)\n", - result[0], a[0], a[1], a[2], b[0], b[1], b[2]); - } - } - break; - case OPCODE_DP4: - { - GLfloat a[4], b[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, program, a ); - fetch_vector4( ctx, &inst->SrcReg[1], machine, program, b ); - result[0] = result[1] = result[2] = result[3] = DOT4(a,b); - store_vector4( inst, machine, result ); - if (DEBUG_FRAG) { - printf("DP4 %g = (%g, %g %g %g) . (%g, %g %g %g)\n", - result[0], a[0], a[1], a[2], a[3], - b[0], b[1], b[2], b[3]); - } - } - break; - case OPCODE_DPH: - { - GLfloat a[4], b[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, program, a ); - fetch_vector4( ctx, &inst->SrcReg[1], machine, program, b ); - result[0] = result[1] = result[2] = result[3] = - a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + b[3]; - store_vector4( inst, machine, result ); - } - break; - case OPCODE_DST: /* Distance vector */ - { - GLfloat a[4], b[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, program, a ); - fetch_vector4( ctx, &inst->SrcReg[1], machine, program, b ); - result[0] = 1.0F; - result[1] = a[1] * b[1]; - result[2] = a[2]; - result[3] = b[3]; - store_vector4( inst, machine, result ); - } - break; - case OPCODE_EX2: /* Exponential base 2 */ - { - GLfloat a[4], result[4]; - fetch_vector1( ctx, &inst->SrcReg[0], machine, program, a ); - result[0] = result[1] = result[2] = result[3] = - (GLfloat) _mesa_pow(2.0, a[0]); - store_vector4( inst, machine, result ); - } - break; - case OPCODE_FLR: - { - GLfloat a[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, program, a ); - result[0] = FLOORF(a[0]); - result[1] = FLOORF(a[1]); - result[2] = FLOORF(a[2]); - result[3] = FLOORF(a[3]); - store_vector4( inst, machine, result ); - } - break; - case OPCODE_FRC: - { - GLfloat a[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, program, a ); - result[0] = a[0] - FLOORF(a[0]); - result[1] = a[1] - FLOORF(a[1]); - result[2] = a[2] - FLOORF(a[2]); - result[3] = a[3] - FLOORF(a[3]); - store_vector4( inst, machine, result ); - } - break; - case OPCODE_KIL_NV: /* NV_f_p only */ - { - const GLuint swizzle = inst->DstReg.CondSwizzle; - const GLuint condMask = inst->DstReg.CondMask; - if (test_cc(machine->CondCodes[GET_SWZ(swizzle, 0)], condMask) || - test_cc(machine->CondCodes[GET_SWZ(swizzle, 1)], condMask) || - test_cc(machine->CondCodes[GET_SWZ(swizzle, 2)], condMask) || - test_cc(machine->CondCodes[GET_SWZ(swizzle, 3)], condMask)) { - return GL_FALSE; - } - } - break; - case OPCODE_KIL: /* ARB_f_p only */ - { - GLfloat a[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, program, a ); - if (a[0] < 0.0F || a[1] < 0.0F || a[2] < 0.0F || a[3] < 0.0F) { - return GL_FALSE; - } - } - break; - case OPCODE_LG2: /* log base 2 */ - { - GLfloat a[4], result[4]; - fetch_vector1( ctx, &inst->SrcReg[0], machine, program, a ); - result[0] = result[1] = result[2] = result[3] = LOG2(a[0]); - store_vector4( inst, machine, result ); - } - break; - case OPCODE_LIT: - { - const GLfloat epsilon = 1.0F / 256.0F; /* from NV VP spec */ - GLfloat a[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, program, a ); - a[0] = MAX2(a[0], 0.0F); - a[1] = MAX2(a[1], 0.0F); - /* XXX ARB version clamps a[3], NV version doesn't */ - a[3] = CLAMP(a[3], -(128.0F - epsilon), (128.0F - epsilon)); - result[0] = 1.0F; - result[1] = a[0]; - /* XXX we could probably just use pow() here */ - if (a[0] > 0.0F) { - if (a[1] == 0.0 && a[3] == 0.0) - result[2] = 1.0; - else - result[2] = EXPF(a[3] * LOGF(a[1])); - } - else { - result[2] = 0.0; - } - result[3] = 1.0F; - store_vector4( inst, machine, result ); - if (DEBUG_FRAG) { - printf("LIT (%g %g %g %g) : (%g %g %g %g)\n", - result[0], result[1], result[2], result[3], - a[0], a[1], a[2], a[3]); - } - } - break; - case OPCODE_LRP: - { - GLfloat a[4], b[4], c[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, program, a ); - fetch_vector4( ctx, &inst->SrcReg[1], machine, program, b ); - fetch_vector4( ctx, &inst->SrcReg[2], machine, program, c ); - result[0] = a[0] * b[0] + (1.0F - a[0]) * c[0]; - result[1] = a[1] * b[1] + (1.0F - a[1]) * c[1]; - result[2] = a[2] * b[2] + (1.0F - a[2]) * c[2]; - result[3] = a[3] * b[3] + (1.0F - a[3]) * c[3]; - store_vector4( inst, machine, result ); - if (DEBUG_FRAG) { - printf("LRP (%g %g %g %g) = (%g %g %g %g), " - "(%g %g %g %g), (%g %g %g %g)\n", - result[0], result[1], result[2], result[3], - a[0], a[1], a[2], a[3], - b[0], b[1], b[2], b[3], - c[0], c[1], c[2], c[3]); - } - } - break; - case OPCODE_MAD: - { - GLfloat a[4], b[4], c[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, program, a ); - fetch_vector4( ctx, &inst->SrcReg[1], machine, program, b ); - fetch_vector4( ctx, &inst->SrcReg[2], machine, program, c ); - result[0] = a[0] * b[0] + c[0]; - result[1] = a[1] * b[1] + c[1]; - result[2] = a[2] * b[2] + c[2]; - result[3] = a[3] * b[3] + c[3]; - store_vector4( inst, machine, result ); - if (DEBUG_FRAG) { - printf("MAD (%g %g %g %g) = (%g %g %g %g) * " - "(%g %g %g %g) + (%g %g %g %g)\n", - result[0], result[1], result[2], result[3], - a[0], a[1], a[2], a[3], - b[0], b[1], b[2], b[3], - c[0], c[1], c[2], c[3]); - } - } - break; - case OPCODE_MAX: - { - GLfloat a[4], b[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, program, a ); - fetch_vector4( ctx, &inst->SrcReg[1], machine, program, b ); - result[0] = MAX2(a[0], b[0]); - result[1] = MAX2(a[1], b[1]); - result[2] = MAX2(a[2], b[2]); - result[3] = MAX2(a[3], b[3]); - store_vector4( inst, machine, result ); - if (DEBUG_FRAG) { - printf("MAX (%g %g %g %g) = (%g %g %g %g), (%g %g %g %g)\n", - result[0], result[1], result[2], result[3], - a[0], a[1], a[2], a[3], - b[0], b[1], b[2], b[3]); - } - } - break; - case OPCODE_MIN: - { - GLfloat a[4], b[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, program, a ); - fetch_vector4( ctx, &inst->SrcReg[1], machine, program, b ); - result[0] = MIN2(a[0], b[0]); - result[1] = MIN2(a[1], b[1]); - result[2] = MIN2(a[2], b[2]); - result[3] = MIN2(a[3], b[3]); - store_vector4( inst, machine, result ); - } - break; - case OPCODE_MOV: - { - GLfloat result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, program, result ); - store_vector4( inst, machine, result ); - if (DEBUG_FRAG) { - printf("MOV (%g %g %g %g)\n", - result[0], result[1], result[2], result[3]); - } - } - break; - case OPCODE_MUL: - { - GLfloat a[4], b[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, program, a ); - fetch_vector4( ctx, &inst->SrcReg[1], machine, program, b ); - result[0] = a[0] * b[0]; - result[1] = a[1] * b[1]; - result[2] = a[2] * b[2]; - result[3] = a[3] * b[3]; - store_vector4( inst, machine, result ); - if (DEBUG_FRAG) { - printf("MUL (%g %g %g %g) = (%g %g %g %g) * (%g %g %g %g)\n", - result[0], result[1], result[2], result[3], - a[0], a[1], a[2], a[3], - b[0], b[1], b[2], b[3]); - } - } - break; - case OPCODE_PK2H: /* pack two 16-bit floats in one 32-bit float */ - { - GLfloat a[4], result[4]; - GLhalfNV hx, hy; - GLuint *rawResult = (GLuint *) result; - GLuint twoHalves; - fetch_vector4( ctx, &inst->SrcReg[0], machine, program, a ); - hx = _mesa_float_to_half(a[0]); - hy = _mesa_float_to_half(a[1]); - twoHalves = hx | (hy << 16); - rawResult[0] = rawResult[1] = rawResult[2] = rawResult[3] - = twoHalves; - store_vector4( inst, machine, result ); - } - break; - case OPCODE_PK2US: /* pack two GLushorts into one 32-bit float */ - { - GLfloat a[4], result[4]; - GLuint usx, usy, *rawResult = (GLuint *) result; - fetch_vector4( ctx, &inst->SrcReg[0], machine, program, a ); - a[0] = CLAMP(a[0], 0.0F, 1.0F); - a[1] = CLAMP(a[1], 0.0F, 1.0F); - usx = IROUND(a[0] * 65535.0F); - usy = IROUND(a[1] * 65535.0F); - rawResult[0] = rawResult[1] = rawResult[2] = rawResult[3] - = usx | (usy << 16); - store_vector4( inst, machine, result ); - } - break; - case OPCODE_PK4B: /* pack four GLbytes into one 32-bit float */ - { - GLfloat a[4], result[4]; - GLuint ubx, uby, ubz, ubw, *rawResult = (GLuint *) result; - fetch_vector4( ctx, &inst->SrcReg[0], machine, program, a ); - a[0] = CLAMP(a[0], -128.0F / 127.0F, 1.0F); - a[1] = CLAMP(a[1], -128.0F / 127.0F, 1.0F); - a[2] = CLAMP(a[2], -128.0F / 127.0F, 1.0F); - a[3] = CLAMP(a[3], -128.0F / 127.0F, 1.0F); - ubx = IROUND(127.0F * a[0] + 128.0F); - uby = IROUND(127.0F * a[1] + 128.0F); - ubz = IROUND(127.0F * a[2] + 128.0F); - ubw = IROUND(127.0F * a[3] + 128.0F); - rawResult[0] = rawResult[1] = rawResult[2] = rawResult[3] - = ubx | (uby << 8) | (ubz << 16) | (ubw << 24); - store_vector4( inst, machine, result ); - } - break; - case OPCODE_PK4UB: /* pack four GLubytes into one 32-bit float */ - { - GLfloat a[4], result[4]; - GLuint ubx, uby, ubz, ubw, *rawResult = (GLuint *) result; - fetch_vector4( ctx, &inst->SrcReg[0], machine, program, a ); - a[0] = CLAMP(a[0], 0.0F, 1.0F); - a[1] = CLAMP(a[1], 0.0F, 1.0F); - a[2] = CLAMP(a[2], 0.0F, 1.0F); - a[3] = CLAMP(a[3], 0.0F, 1.0F); - ubx = IROUND(255.0F * a[0]); - uby = IROUND(255.0F * a[1]); - ubz = IROUND(255.0F * a[2]); - ubw = IROUND(255.0F * a[3]); - rawResult[0] = rawResult[1] = rawResult[2] = rawResult[3] - = ubx | (uby << 8) | (ubz << 16) | (ubw << 24); - store_vector4( inst, machine, result ); - } - break; - case OPCODE_POW: - { - GLfloat a[4], b[4], result[4]; - fetch_vector1( ctx, &inst->SrcReg[0], machine, program, a ); - fetch_vector1( ctx, &inst->SrcReg[1], machine, program, b ); - result[0] = result[1] = result[2] = result[3] - = (GLfloat)_mesa_pow(a[0], b[0]); - store_vector4( inst, machine, result ); - } - break; - case OPCODE_RCP: - { - GLfloat a[4], result[4]; - fetch_vector1( ctx, &inst->SrcReg[0], machine, program, a ); - if (DEBUG_FRAG) { - if (a[0] == 0) - printf("RCP(0)\n"); - else if (IS_INF_OR_NAN(a[0])) - printf("RCP(inf)\n"); - } - result[0] = result[1] = result[2] = result[3] = 1.0F / a[0]; - store_vector4( inst, machine, result ); - } - break; - case OPCODE_RET: /* return from subroutine */ - { - /* NOTE: The return is conditional! */ - const GLuint swizzle = inst->DstReg.CondSwizzle; - const GLuint condMask = inst->DstReg.CondMask; - if (test_cc(machine->CondCodes[GET_SWZ(swizzle, 0)], condMask) || - test_cc(machine->CondCodes[GET_SWZ(swizzle, 1)], condMask) || - test_cc(machine->CondCodes[GET_SWZ(swizzle, 2)], condMask) || - test_cc(machine->CondCodes[GET_SWZ(swizzle, 3)], condMask)) { - if (machine->StackDepth == 0) { - return GL_TRUE; /* Per GL_NV_vertex_program2 spec */ - } - pc = machine->CallStack[--machine->StackDepth]; - } - } - break; - case OPCODE_RFL: /* reflection vector */ - { - GLfloat axis[4], dir[4], result[4], tmpX, tmpW; - fetch_vector4( ctx, &inst->SrcReg[0], machine, program, axis ); - fetch_vector4( ctx, &inst->SrcReg[1], machine, program, dir ); - tmpW = DOT3(axis, axis); - tmpX = (2.0F * DOT3(axis, dir)) / tmpW; - result[0] = tmpX * axis[0] - dir[0]; - result[1] = tmpX * axis[1] - dir[1]; - result[2] = tmpX * axis[2] - dir[2]; - /* result[3] is never written! XXX enforce in parser! */ - store_vector4( inst, machine, result ); - } - break; - case OPCODE_RSQ: /* 1 / sqrt() */ - { - GLfloat a[4], result[4]; - fetch_vector1( ctx, &inst->SrcReg[0], machine, program, a ); - a[0] = FABSF(a[0]); - result[0] = result[1] = result[2] = result[3] = INV_SQRTF(a[0]); - store_vector4( inst, machine, result ); - if (DEBUG_FRAG) { - printf("RSQ %g = 1/sqrt(|%g|)\n", result[0], a[0]); - } - } - break; - case OPCODE_SCS: /* sine and cos */ - { - GLfloat a[4], result[4]; - fetch_vector1( ctx, &inst->SrcReg[0], machine, program, a ); - result[0] = (GLfloat)_mesa_cos(a[0]); - result[1] = (GLfloat)_mesa_sin(a[0]); - result[2] = 0.0; /* undefined! */ - result[3] = 0.0; /* undefined! */ - store_vector4( inst, machine, result ); - } - break; - case OPCODE_SEQ: /* set on equal */ - { - GLfloat a[4], b[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, program, a ); - fetch_vector4( ctx, &inst->SrcReg[1], machine, program, b ); - result[0] = (a[0] == b[0]) ? 1.0F : 0.0F; - result[1] = (a[1] == b[1]) ? 1.0F : 0.0F; - result[2] = (a[2] == b[2]) ? 1.0F : 0.0F; - result[3] = (a[3] == b[3]) ? 1.0F : 0.0F; - store_vector4( inst, machine, result ); - } - break; - case OPCODE_SFL: /* set false, operands ignored */ - { - static const GLfloat result[4] = { 0.0F, 0.0F, 0.0F, 0.0F }; - store_vector4( inst, machine, result ); - } - break; - case OPCODE_SGE: /* set on greater or equal */ - { - GLfloat a[4], b[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, program, a ); - fetch_vector4( ctx, &inst->SrcReg[1], machine, program, b ); - result[0] = (a[0] >= b[0]) ? 1.0F : 0.0F; - result[1] = (a[1] >= b[1]) ? 1.0F : 0.0F; - result[2] = (a[2] >= b[2]) ? 1.0F : 0.0F; - result[3] = (a[3] >= b[3]) ? 1.0F : 0.0F; - store_vector4( inst, machine, result ); - } - break; - case OPCODE_SGT: /* set on greater */ - { - GLfloat a[4], b[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, program, a ); - fetch_vector4( ctx, &inst->SrcReg[1], machine, program, b ); - result[0] = (a[0] > b[0]) ? 1.0F : 0.0F; - result[1] = (a[1] > b[1]) ? 1.0F : 0.0F; - result[2] = (a[2] > b[2]) ? 1.0F : 0.0F; - result[3] = (a[3] > b[3]) ? 1.0F : 0.0F; - store_vector4( inst, machine, result ); - } - break; - case OPCODE_SIN: - { - GLfloat a[4], result[4]; - fetch_vector1( ctx, &inst->SrcReg[0], machine, program, a ); - result[0] = result[1] = result[2] = result[3] - = (GLfloat) _mesa_sin(a[0]); - store_vector4( inst, machine, result ); - } - break; - case OPCODE_SLE: /* set on less or equal */ - { - GLfloat a[4], b[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, program, a ); - fetch_vector4( ctx, &inst->SrcReg[1], machine, program, b ); - result[0] = (a[0] <= b[0]) ? 1.0F : 0.0F; - result[1] = (a[1] <= b[1]) ? 1.0F : 0.0F; - result[2] = (a[2] <= b[2]) ? 1.0F : 0.0F; - result[3] = (a[3] <= b[3]) ? 1.0F : 0.0F; - store_vector4( inst, machine, result ); - } - break; - case OPCODE_SLT: /* set on less */ - { - GLfloat a[4], b[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, program, a ); - fetch_vector4( ctx, &inst->SrcReg[1], machine, program, b ); - result[0] = (a[0] < b[0]) ? 1.0F : 0.0F; - result[1] = (a[1] < b[1]) ? 1.0F : 0.0F; - result[2] = (a[2] < b[2]) ? 1.0F : 0.0F; - result[3] = (a[3] < b[3]) ? 1.0F : 0.0F; - store_vector4( inst, machine, result ); - } - break; - case OPCODE_SNE: /* set on not equal */ - { - GLfloat a[4], b[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, program, a ); - fetch_vector4( ctx, &inst->SrcReg[1], machine, program, b ); - result[0] = (a[0] != b[0]) ? 1.0F : 0.0F; - result[1] = (a[1] != b[1]) ? 1.0F : 0.0F; - result[2] = (a[2] != b[2]) ? 1.0F : 0.0F; - result[3] = (a[3] != b[3]) ? 1.0F : 0.0F; - store_vector4( inst, machine, result ); - } - break; - case OPCODE_STR: /* set true, operands ignored */ - { - static const GLfloat result[4] = { 1.0F, 1.0F, 1.0F, 1.0F }; - store_vector4( inst, machine, result ); - } - break; - case OPCODE_SUB: - { - GLfloat a[4], b[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, program, a ); - fetch_vector4( ctx, &inst->SrcReg[1], machine, program, b ); - result[0] = a[0] - b[0]; - result[1] = a[1] - b[1]; - result[2] = a[2] - b[2]; - result[3] = a[3] - b[3]; - store_vector4( inst, machine, result ); - if (DEBUG_FRAG) { - printf("SUB (%g %g %g %g) = (%g %g %g %g) - (%g %g %g %g)\n", - result[0], result[1], result[2], result[3], - a[0], a[1], a[2], a[3], b[0], b[1], b[2], b[3]); - } - } - break; - case OPCODE_SWZ: /* extended swizzle */ - { - const struct prog_src_register *source = &inst->SrcReg[0]; - const GLfloat *src = get_register_pointer(ctx, source, - machine, program); - GLfloat result[4]; - GLuint i; - for (i = 0; i < 4; i++) { - const GLuint swz = GET_SWZ(source->Swizzle, i); - if (swz == SWIZZLE_ZERO) - result[i] = 0.0; - else if (swz == SWIZZLE_ONE) - result[i] = 1.0; - else { - ASSERT(swz >= 0); - ASSERT(swz <= 3); - result[i] = src[swz]; - } - if (source->NegateBase & (1 << i)) - result[i] = -result[i]; - } - store_vector4( inst, machine, result ); - } - break; - case OPCODE_TEX: /* Both ARB and NV frag prog */ - /* Texel lookup */ - { - /* Note: only use the precomputed lambda value when we're - * sampling texture unit [K] with texcoord[K]. - * Otherwise, the lambda value may have no relation to the - * instruction's texcoord or texture image. Using the wrong - * lambda is usually bad news. - * The rest of the time, just use zero (until we get a more - * sophisticated way of computing lambda). - */ - GLfloat coord[4], color[4], lambda; - if (inst->SrcReg[0].File == PROGRAM_INPUT && - inst->SrcReg[0].Index == FRAG_ATTRIB_TEX0+inst->TexSrcUnit) - lambda = span->array->lambda[inst->TexSrcUnit][column]; - else - lambda = 0.0; - fetch_vector4(ctx, &inst->SrcReg[0], machine, program, coord); - fetch_texel( ctx, coord, lambda, inst->TexSrcUnit, color ); - if (DEBUG_FRAG) { - printf("TEX (%g, %g, %g, %g) = texture[%d][%g, %g, %g, %g], " - "lod %f\n", - color[0], color[1], color[2], color[3], - inst->TexSrcUnit, - coord[0], coord[1], coord[2], coord[3], lambda); - } - store_vector4( inst, machine, color ); - } - break; - case OPCODE_TXB: /* GL_ARB_fragment_program only */ - /* Texel lookup with LOD bias */ - { - GLfloat coord[4], color[4], lambda, bias; - if (inst->SrcReg[0].File == PROGRAM_INPUT && - inst->SrcReg[0].Index == FRAG_ATTRIB_TEX0+inst->TexSrcUnit) - lambda = span->array->lambda[inst->TexSrcUnit][column]; - else - lambda = 0.0; - fetch_vector4(ctx, &inst->SrcReg[0], machine, program, coord); - /* coord[3] is the bias to add to lambda */ - bias = ctx->Texture.Unit[inst->TexSrcUnit].LodBias - + ctx->Texture.Unit[inst->TexSrcUnit]._Current->LodBias - + coord[3]; - fetch_texel(ctx, coord, lambda + bias, inst->TexSrcUnit, color); - store_vector4( inst, machine, color ); - } - break; - case OPCODE_TXD: /* GL_NV_fragment_program only */ - /* Texture lookup w/ partial derivatives for LOD */ - { - GLfloat texcoord[4], dtdx[4], dtdy[4], color[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, program, texcoord ); - fetch_vector4( ctx, &inst->SrcReg[1], machine, program, dtdx ); - fetch_vector4( ctx, &inst->SrcReg[2], machine, program, dtdy ); - fetch_texel_deriv( ctx, texcoord, dtdx, dtdy, inst->TexSrcUnit, - color ); - store_vector4( inst, machine, color ); - } - break; - case OPCODE_TXP: /* GL_ARB_fragment_program only */ - /* Texture lookup w/ projective divide */ - { - GLfloat texcoord[4], color[4], lambda; - if (inst->SrcReg[0].File == PROGRAM_INPUT && - inst->SrcReg[0].Index == FRAG_ATTRIB_TEX0+inst->TexSrcUnit) - lambda = span->array->lambda[inst->TexSrcUnit][column]; - else - lambda = 0.0; - fetch_vector4(ctx, &inst->SrcReg[0], machine, program,texcoord); - /* Not so sure about this test - if texcoord[3] is - * zero, we'd probably be fine except for an ASSERT in - * IROUND_POS() which gets triggered by the inf values created. - */ - if (texcoord[3] != 0.0) { - texcoord[0] /= texcoord[3]; - texcoord[1] /= texcoord[3]; - texcoord[2] /= texcoord[3]; - } - fetch_texel( ctx, texcoord, lambda, inst->TexSrcUnit, color ); - store_vector4( inst, machine, color ); - } - break; - case OPCODE_TXP_NV: /* GL_NV_fragment_program only */ - /* Texture lookup w/ projective divide */ - { - GLfloat texcoord[4], color[4], lambda; - if (inst->SrcReg[0].File == PROGRAM_INPUT && - inst->SrcReg[0].Index == FRAG_ATTRIB_TEX0+inst->TexSrcUnit) - lambda = span->array->lambda[inst->TexSrcUnit][column]; - else - lambda = 0.0; - fetch_vector4(ctx, &inst->SrcReg[0], machine, program,texcoord); - if (inst->TexSrcTarget != TEXTURE_CUBE_INDEX && - texcoord[3] != 0.0) { - texcoord[0] /= texcoord[3]; - texcoord[1] /= texcoord[3]; - texcoord[2] /= texcoord[3]; - } - fetch_texel( ctx, texcoord, lambda, inst->TexSrcUnit, color ); - store_vector4( inst, machine, color ); - } - break; - case OPCODE_UP2H: /* unpack two 16-bit floats */ - { - GLfloat a[4], result[4]; - const GLuint *rawBits = (const GLuint *) a; - GLhalfNV hx, hy; - fetch_vector1( ctx, &inst->SrcReg[0], machine, program, a ); - hx = rawBits[0] & 0xffff; - hy = rawBits[0] >> 16; - result[0] = result[2] = _mesa_half_to_float(hx); - result[1] = result[3] = _mesa_half_to_float(hy); - store_vector4( inst, machine, result ); - } - break; - case OPCODE_UP2US: /* unpack two GLushorts */ - { - GLfloat a[4], result[4]; - const GLuint *rawBits = (const GLuint *) a; - GLushort usx, usy; - fetch_vector1( ctx, &inst->SrcReg[0], machine, program, a ); - usx = rawBits[0] & 0xffff; - usy = rawBits[0] >> 16; - result[0] = result[2] = usx * (1.0f / 65535.0f); - result[1] = result[3] = usy * (1.0f / 65535.0f); - store_vector4( inst, machine, result ); - } - break; - case OPCODE_UP4B: /* unpack four GLbytes */ - { - GLfloat a[4], result[4]; - const GLuint *rawBits = (const GLuint *) a; - fetch_vector1( ctx, &inst->SrcReg[0], machine, program, a ); - result[0] = (((rawBits[0] >> 0) & 0xff) - 128) / 127.0F; - result[1] = (((rawBits[0] >> 8) & 0xff) - 128) / 127.0F; - result[2] = (((rawBits[0] >> 16) & 0xff) - 128) / 127.0F; - result[3] = (((rawBits[0] >> 24) & 0xff) - 128) / 127.0F; - store_vector4( inst, machine, result ); - } - break; - case OPCODE_UP4UB: /* unpack four GLubytes */ - { - GLfloat a[4], result[4]; - const GLuint *rawBits = (const GLuint *) a; - fetch_vector1( ctx, &inst->SrcReg[0], machine, program, a ); - result[0] = ((rawBits[0] >> 0) & 0xff) / 255.0F; - result[1] = ((rawBits[0] >> 8) & 0xff) / 255.0F; - result[2] = ((rawBits[0] >> 16) & 0xff) / 255.0F; - result[3] = ((rawBits[0] >> 24) & 0xff) / 255.0F; - store_vector4( inst, machine, result ); - } - break; - case OPCODE_XPD: /* cross product */ - { - GLfloat a[4], b[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, program, a ); - fetch_vector4( ctx, &inst->SrcReg[1], machine, program, b ); - result[0] = a[1] * b[2] - a[2] * b[1]; - result[1] = a[2] * b[0] - a[0] * b[2]; - result[2] = a[0] * b[1] - a[1] * b[0]; - result[3] = 1.0; - store_vector4( inst, machine, result ); - } - break; - case OPCODE_X2D: /* 2-D matrix transform */ - { - GLfloat a[4], b[4], c[4], result[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, program, a ); - fetch_vector4( ctx, &inst->SrcReg[1], machine, program, b ); - fetch_vector4( ctx, &inst->SrcReg[2], machine, program, c ); - result[0] = a[0] + b[0] * c[0] + b[1] * c[1]; - result[1] = a[1] + b[0] * c[2] + b[1] * c[3]; - result[2] = a[2] + b[0] * c[0] + b[1] * c[1]; - result[3] = a[3] + b[0] * c[2] + b[1] * c[3]; - store_vector4( inst, machine, result ); - } - break; - case OPCODE_PRINT: - { - if (inst->SrcReg[0].File != -1) { - GLfloat a[4]; - fetch_vector4( ctx, &inst->SrcReg[0], machine, program, a); - _mesa_printf("%s%g, %g, %g, %g\n", (const char *) inst->Data, - a[0], a[1], a[2], a[3]); - } - else { - _mesa_printf("%s\n", (const char *) inst->Data); - } - } - break; - case OPCODE_END: - return GL_TRUE; - default: - _mesa_problem(ctx, "Bad opcode %d in _mesa_exec_fragment_program", - inst->Opcode); - return GL_TRUE; /* return value doesn't matter */ - } - } - return GL_TRUE; -} - - -/** - * Initialize the virtual fragment program machine state prior to running - * fragment program on a fragment. This involves initializing the input - * registers, condition codes, etc. - * \param machine the virtual machine state to init - * \param program the fragment program we're about to run - * \param span the span of pixels we'll operate on - * \param col which element (column) of the span we'll operate on - */ -static void -init_machine( GLcontext *ctx, struct fp_machine *machine, - const struct gl_fragment_program *program, - const SWspan *span, GLuint col ) -{ - GLuint inputsRead = program->Base.InputsRead; - GLuint u; - - if (ctx->FragmentProgram.CallbackEnabled) - inputsRead = ~0; - - if (program->Base.Target == GL_FRAGMENT_PROGRAM_NV) { - /* Clear temporary registers (undefined for ARB_f_p) */ - _mesa_bzero(machine->Temporaries, - MAX_NV_FRAGMENT_PROGRAM_TEMPS * 4 * sizeof(GLfloat)); - } - - /* Load input registers */ - if (inputsRead & (1 << FRAG_ATTRIB_WPOS)) { - GLfloat *wpos = machine->Inputs[FRAG_ATTRIB_WPOS]; - ASSERT(span->arrayMask & SPAN_Z); - if (span->arrayMask & SPAN_XY) { - wpos[0] = (GLfloat) span->array->x[col]; - wpos[1] = (GLfloat) span->array->y[col]; - } - else { - wpos[0] = (GLfloat) span->x + col; - wpos[1] = (GLfloat) span->y; - } - wpos[2] = (GLfloat) span->array->z[col] / ctx->DrawBuffer->_DepthMaxF; - wpos[3] = span->w + col * span->dwdx; - } - if (inputsRead & (1 << FRAG_ATTRIB_COL0)) { - ASSERT(span->arrayMask & SPAN_RGBA); - COPY_4V(machine->Inputs[FRAG_ATTRIB_COL0], - span->array->color.sz4.rgba[col]); - } - if (inputsRead & (1 << FRAG_ATTRIB_COL1)) { - ASSERT(span->arrayMask & SPAN_SPEC); - COPY_4V(machine->Inputs[FRAG_ATTRIB_COL1], - span->array->color.sz4.spec[col]); - } - if (inputsRead & (1 << FRAG_ATTRIB_FOGC)) { - GLfloat *fogc = machine->Inputs[FRAG_ATTRIB_FOGC]; - ASSERT(span->arrayMask & SPAN_FOG); - fogc[0] = span->array->fog[col]; - fogc[1] = 0.0F; - fogc[2] = 0.0F; - fogc[3] = 0.0F; - } - for (u = 0; u < ctx->Const.MaxTextureCoordUnits; u++) { - if (inputsRead & (1 << (FRAG_ATTRIB_TEX0 + u))) { - GLfloat *tex = machine->Inputs[FRAG_ATTRIB_TEX0 + u]; - /*ASSERT(ctx->Texture._EnabledCoordUnits & (1 << u));*/ - COPY_4V(tex, span->array->texcoords[u][col]); - /*ASSERT(tex[0] != 0 || tex[1] != 0 || tex[2] != 0);*/ - } - } - - /* init condition codes */ - machine->CondCodes[0] = COND_EQ; - machine->CondCodes[1] = COND_EQ; - machine->CondCodes[2] = COND_EQ; - machine->CondCodes[3] = COND_EQ; - - /* init call stack */ - machine->StackDepth = 0; -} - - -/** - * Run fragment program on the pixels in span from 'start' to 'end' - 1. - */ -static void -run_program(GLcontext *ctx, SWspan *span, GLuint start, GLuint end) -{ - const struct gl_fragment_program *program = ctx->FragmentProgram._Current; - struct fp_machine machine; - GLuint i; - - CurrentMachine = &machine; - - for (i = start; i < end; i++) { - if (span->array->mask[i]) { - init_machine(ctx, &machine, program, span, i); - - if (execute_program(ctx, program, ~0, &machine, span, i)) { - /* Store result color */ - COPY_4V(span->array->color.sz4.rgba[i], - machine.Outputs[FRAG_RESULT_COLR]); - - /* Store result depth/z */ - if (program->Base.OutputsWritten & (1 << FRAG_RESULT_DEPR)) { - const GLfloat depth = machine.Outputs[FRAG_RESULT_DEPR][2]; - if (depth <= 0.0) - span->array->z[i] = 0; - else if (depth >= 1.0) - span->array->z[i] = ctx->DrawBuffer->_DepthMax; - else - span->array->z[i] = IROUND(depth * ctx->DrawBuffer->_DepthMaxF); - } - } - else { - /* killed fragment */ - span->array->mask[i] = GL_FALSE; - span->writeAll = GL_FALSE; - } - } - } - - CurrentMachine = NULL; -} - - -/** - * Execute the current fragment program for all the fragments - * in the given span. - */ -void -_swrast_exec_fragment_program( GLcontext *ctx, SWspan *span ) -{ - const struct gl_fragment_program *program = ctx->FragmentProgram._Current; - - /* incoming colors should be floats */ - ASSERT(span->array->ChanType == GL_FLOAT); - - ctx->_CurrentProgram = GL_FRAGMENT_PROGRAM_ARB; /* or NV, doesn't matter */ - - run_program(ctx, span, 0, span->end); - - if (program->Base.OutputsWritten & (1 << FRAG_RESULT_DEPR)) { - span->interpMask &= ~SPAN_Z; - span->arrayMask |= SPAN_Z; - } - - ctx->_CurrentProgram = 0; -} - diff --git a/src/mesa/swrast/s_pointtemp.h b/src/mesa/swrast/s_pointtemp.h index 083f1ebe83..cc6f999b91 100644 --- a/src/mesa/swrast/s_pointtemp.h +++ b/src/mesa/swrast/s_pointtemp.h @@ -88,8 +88,8 @@ NAME ( GLcontext *ctx, const SWvertex *vert ) const GLuint colorIndex = (GLuint) vert->index; /* XXX round? */ #endif #if FLAGS & TEXTURE - GLfloat texcoord[MAX_TEXTURE_COORD_UNITS][4]; - GLuint u; + GLfloat attrib[FRAG_ATTRIB_MAX][4]; /* texture & varying */ + GLuint attr; #endif SWcontext *swrast = SWRAST_CONTEXT(ctx); SWspan *span = &(swrast->PointSpan); @@ -107,8 +107,9 @@ NAME ( GLcontext *ctx, const SWvertex *vert ) */ span->interpMask = SPAN_FOG; span->arrayMask = SPAN_XY | SPAN_Z; - span->fog = vert->fog; - span->fogStep = 0.0; + span->attrStart[FRAG_ATTRIB_FOGC][0] = vert->fog; + span->attrStepX[FRAG_ATTRIB_FOGC][0] = 0.0; + span->attrStepY[FRAG_ATTRIB_FOGC][0] = 0.0; #if FLAGS & RGBA span->arrayMask |= SPAN_RGBA; #endif @@ -120,31 +121,31 @@ NAME ( GLcontext *ctx, const SWvertex *vert ) #endif #if FLAGS & TEXTURE span->arrayMask |= (SPAN_TEXTURE | SPAN_LAMBDA); - if (ctx->FragmentProgram._Active) { + if (ctx->FragmentProgram._Current) { /* Don't divide texture s,t,r by q (use TXP to do that) */ - for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { - if (ctx->Texture._EnabledCoordUnits & (1 << u)) { - COPY_4V(texcoord[u], vert->texcoord[u]); + for (attr = swrast->_MinFragmentAttrib; attr < swrast->_MaxFragmentAttrib; attr++) { + if (swrast->_FragmentAttribs & (1 << attr)) { + COPY_4V(attrib[attr], vert->attrib[attr]); } } } else { /* Divide texture s,t,r by q here */ - for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { - if (ctx->Texture._EnabledCoordUnits & (1 << u)) { - const GLfloat q = vert->texcoord[u][3]; + for (attr = swrast->_MinFragmentAttrib; attr < swrast->_MaxFragmentAttrib; attr++) { + if (swrast->_FragmentAttribs & (1 << attr)) { + const GLfloat q = vert->attrib[attr][3]; const GLfloat invQ = (q == 0.0F || q == 1.0F) ? 1.0F : (1.0F / q); - texcoord[u][0] = vert->texcoord[u][0] * invQ; - texcoord[u][1] = vert->texcoord[u][1] * invQ; - texcoord[u][2] = vert->texcoord[u][2] * invQ; - texcoord[u][3] = q; + attrib[attr][0] = vert->attrib[attr][0] * invQ; + attrib[attr][1] = vert->attrib[attr][1] * invQ; + attrib[attr][2] = vert->attrib[attr][2] * invQ; + attrib[attr][3] = q; } } } /* need these for fragment programs */ - span->w = 1.0F; - span->dwdx = 0.0F; - span->dwdy = 0.0F; + span->attrStart[FRAG_ATTRIB_WPOS][3] = 1.0F; + span->attrStepX[FRAG_ATTRIB_WPOS][3] = 0.0F; + span->attrStepY[FRAG_ATTRIB_WPOS][3] = 0.0F; #endif #if FLAGS & SMOOTH span->arrayMask |= SPAN_COVERAGE; @@ -259,7 +260,7 @@ NAME ( GLcontext *ctx, const SWvertex *vert ) count = span->end = 0; } for (x = xmin; x <= xmax; x++) { -#if FLAGS & (SPRITE | TEXTURE) +#if FLAGS & SPRITE GLuint u; #endif @@ -278,10 +279,13 @@ NAME ( GLcontext *ctx, const SWvertex *vert ) span->array->index[count] = colorIndex; #endif #if FLAGS & TEXTURE - for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { - if (ctx->Texture._EnabledCoordUnits & (1 << u)) { - COPY_4V(span->array->texcoords[u][count], texcoord[u]); - span->array->lambda[u][count] = 0.0; + for (attr = swrast->_MinFragmentAttrib; attr < swrast->_MaxFragmentAttrib; attr++) { + if (swrast->_FragmentAttribs & (1 << attr)) { + COPY_4V(span->array->attribs[attr][count], attrib[attr]); + if (attr < FRAG_ATTRIB_VAR0) { + const GLuint u = attr - FRAG_ATTRIB_TEX0; + span->array->lambda[u][count] = 0.0; + } } } #endif @@ -328,6 +332,7 @@ NAME ( GLcontext *ctx, const SWvertex *vert ) #if FLAGS & SPRITE for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { + GLuint attr = FRAG_ATTRIB_TEX0 + u; if (ctx->Texture.Unit[u]._ReallyEnabled) { if (ctx->Point.CoordReplace[u]) { GLfloat s = 0.5F + (x + 0.5F - vert->win[0]) / size; @@ -339,17 +344,18 @@ NAME ( GLcontext *ctx, const SWvertex *vert ) if (ctx->Point.SpriteRMode == GL_ZERO) r = 0.0F; else if (ctx->Point.SpriteRMode == GL_S) - r = vert->texcoord[u][0]; + r = vert->attrib[attr][0]; else /* GL_R */ - r = vert->texcoord[u][2]; - span->array->texcoords[u][count][0] = s; - span->array->texcoords[u][count][1] = t; - span->array->texcoords[u][count][2] = r; - span->array->texcoords[u][count][3] = 1.0F; + r = vert->attrib[attr][2]; + span->array->attribs[attr][count][0] = s; + span->array->attribs[attr][count][1] = t; + span->array->attribs[attr][count][2] = r; + span->array->attribs[attr][count][3] = 1.0F; span->array->lambda[u][count] = 0.0; /* XXX fix? */ } else { - COPY_4V(span->array->texcoords[u][count], vert->texcoord[u]); + COPY_4V(span->array->attribs[attr][count], + vert->attrib[attr]); } } } @@ -400,9 +406,9 @@ NAME ( GLcontext *ctx, const SWvertex *vert ) span->array->index[count] = colorIndex; #endif #if FLAGS & TEXTURE - for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { - if (ctx->Texture.Unit[u]._ReallyEnabled) { - COPY_4V(span->array->texcoords[u][count], texcoord[u]); + for (attr = swrast->_MinFragmentAttrib; attr < swrast->_MaxFragmentAttrib; attr++) { + if (swrast->_FragmentAttribs & (1 << attr)) { + COPY_4V(span->array->attribs[attr][count], attribs[attr]); } } #endif diff --git a/src/mesa/swrast/s_readpix.c b/src/mesa/swrast/s_readpix.c index 7dc48aec68..fe9a70f4ea 100644 --- a/src/mesa/swrast/s_readpix.c +++ b/src/mesa/swrast/s_readpix.c @@ -404,7 +404,7 @@ read_rgba_pixels( GLcontext *ctx, /* no convolution */ const GLint dstStride = _mesa_image_row_stride(packing, width, format, type); - GLfloat (*rgba)[4] = swrast->SpanArrays->color.sz4.rgba; + GLfloat (*rgba)[4] = swrast->SpanArrays->attribs[FRAG_ATTRIB_COL0]; GLint row; GLubyte *dst = (GLubyte *) _mesa_image_address2d(packing, pixels, width, height, diff --git a/src/mesa/swrast/s_span.c b/src/mesa/swrast/s_span.c index cca1864ea4..fa7761269d 100644 --- a/src/mesa/swrast/s_span.c +++ b/src/mesa/swrast/s_span.c @@ -39,14 +39,13 @@ #include "s_atifragshader.h" #include "s_alpha.h" -#include "s_arbshader.h" #include "s_blend.h" #include "s_context.h" #include "s_depth.h" #include "s_fog.h" #include "s_logic.h" #include "s_masking.h" -#include "s_nvfragprog.h" +#include "s_fragprog.h" #include "s_span.h" #include "s_stencil.h" #include "s_texcombine.h" @@ -76,8 +75,10 @@ _swrast_span_default_z( GLcontext *ctx, SWspan *span ) void _swrast_span_default_fog( GLcontext *ctx, SWspan *span ) { - span->fog = _swrast_z_to_fogfactor(ctx, ctx->Current.RasterDistance); - span->fogStep = span->dfogdx = span->dfogdy = 0.0F; + span->attrStart[FRAG_ATTRIB_FOGC][0] + = _swrast_z_to_fogfactor(ctx, ctx->Current.RasterDistance); + span->attrStepX[FRAG_ATTRIB_FOGC][0] = 0.0; + span->attrStepY[FRAG_ATTRIB_FOGC][0] = 0.0; span->interpMask |= SPAN_FOG; } @@ -129,22 +130,23 @@ _swrast_span_default_texcoords( GLcontext *ctx, SWspan *span ) { GLuint i; for (i = 0; i < ctx->Const.MaxTextureCoordUnits; i++) { + const GLuint attr = FRAG_ATTRIB_TEX0 + i; const GLfloat *tc = ctx->Current.RasterTexCoords[i]; - if (ctx->FragmentProgram._Enabled || ctx->ATIFragmentShader._Enabled) { - COPY_4V(span->tex[i], tc); + if (ctx->FragmentProgram._Current || ctx->ATIFragmentShader._Enabled) { + COPY_4V(span->attrStart[attr], tc); } else if (tc[3] > 0.0F) { /* use (s/q, t/q, r/q, 1) */ - span->tex[i][0] = tc[0] / tc[3]; - span->tex[i][1] = tc[1] / tc[3]; - span->tex[i][2] = tc[2] / tc[3]; - span->tex[i][3] = 1.0; + span->attrStart[attr][0] = tc[0] / tc[3]; + span->attrStart[attr][1] = tc[1] / tc[3]; + span->attrStart[attr][2] = tc[2] / tc[3]; + span->attrStart[attr][3] = 1.0; } else { - ASSIGN_4V(span->tex[i], 0.0F, 0.0F, 0.0F, 1.0F); + ASSIGN_4V(span->attrStart[attr], 0.0F, 0.0F, 0.0F, 1.0F); } - ASSIGN_4V(span->texStepX[i], 0.0F, 0.0F, 0.0F, 0.0F); - ASSIGN_4V(span->texStepY[i], 0.0F, 0.0F, 0.0F, 0.0F); + ASSIGN_4V(span->attrStepX[attr], 0.0F, 0.0F, 0.0F, 0.0F); + ASSIGN_4V(span->attrStepY[attr], 0.0F, 0.0F, 0.0F, 0.0F); } span->interpMask |= SPAN_TEXTURE; } @@ -240,7 +242,7 @@ interpolate_colors(SWspan *span) #endif case GL_FLOAT: { - GLfloat (*rgba)[4] = span->array->color.sz4.rgba; + GLfloat (*rgba)[4] = span->array->attribs[FRAG_ATTRIB_COL0]; GLfloat r, g, b, a, dr, dg, db, da; r = span->red; g = span->green; @@ -352,7 +354,7 @@ interpolate_specular(SWspan *span) #endif case GL_FLOAT: { - GLfloat (*spec)[4] = span->array->color.sz4.spec; + GLfloat (*spec)[4] = span->array->attribs[FRAG_ATTRIB_COL1]; #if CHAN_BITS <= 16 GLfloat r = CHAN_TO_FLOAT(FixedToChan(span->specRed)); GLfloat g = CHAN_TO_FLOAT(FixedToChan(span->specGreen)); @@ -431,15 +433,15 @@ interpolate_indexes(GLcontext *ctx, SWspan *span) static INLINE void interpolate_fog(const GLcontext *ctx, SWspan *span) { - GLfloat *fog = span->array->fog; - const GLfloat fogStep = span->fogStep; - GLfloat fogCoord = span->fog; + GLfloat (*fog)[4] = span->array->attribs[FRAG_ATTRIB_FOGC]; + const GLfloat fogStep = span->attrStepX[FRAG_ATTRIB_FOGC][0]; + GLfloat fogCoord = span->attrStart[FRAG_ATTRIB_FOGC][0]; const GLuint haveW = (span->interpMask & SPAN_W); - const GLfloat wStep = haveW ? span->dwdx : 0.0F; - GLfloat w = haveW ? span->w : 1.0F; + const GLfloat wStep = haveW ? span->attrStepX[FRAG_ATTRIB_WPOS][3] : 0.0F; + GLfloat w = haveW ? span->attrStart[FRAG_ATTRIB_WPOS][3] : 1.0F; GLuint i; for (i = 0; i < span->end; i++) { - fog[i] = fogCoord / w; + fog[i][0] = fogCoord / w; fogCoord += fogStep; w += wStep; } @@ -539,309 +541,188 @@ _swrast_compute_lambda(GLfloat dsdx, GLfloat dsdy, GLfloat dtdx, GLfloat dtdy, static void interpolate_texcoords(GLcontext *ctx, SWspan *span) { + const GLuint maxUnit + = (ctx->Texture._EnabledCoordUnits > 1) ? ctx->Const.MaxTextureUnits : 1; + GLuint u; + ASSERT(span->interpMask & SPAN_TEXTURE); ASSERT(!(span->arrayMask & SPAN_TEXTURE)); - if (ctx->Texture._EnabledCoordUnits > 1) { - /* multitexture */ - GLuint u; - span->arrayMask |= SPAN_TEXTURE; - /* XXX CoordUnits vs. ImageUnits */ - for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { - if (ctx->Texture._EnabledCoordUnits & (1 << u)) { - const struct gl_texture_object *obj =ctx->Texture.Unit[u]._Current; - GLfloat texW, texH; - GLboolean needLambda; - if (obj) { - const struct gl_texture_image *img = obj->Image[0][obj->BaseLevel]; - needLambda = (obj->MinFilter != obj->MagFilter) - || ctx->FragmentProgram._Enabled; - texW = img->WidthScale; - texH = img->HeightScale; - } - else { - /* using a fragment program */ - texW = 1.0; - texH = 1.0; - needLambda = GL_FALSE; - } - if (needLambda) { - GLfloat (*texcoord)[4] = span->array->texcoords[u]; - GLfloat *lambda = span->array->lambda[u]; - const GLfloat dsdx = span->texStepX[u][0]; - const GLfloat dsdy = span->texStepY[u][0]; - const GLfloat dtdx = span->texStepX[u][1]; - const GLfloat dtdy = span->texStepY[u][1]; - const GLfloat drdx = span->texStepX[u][2]; - const GLfloat dqdx = span->texStepX[u][3]; - const GLfloat dqdy = span->texStepY[u][3]; - GLfloat s = span->tex[u][0]; - GLfloat t = span->tex[u][1]; - GLfloat r = span->tex[u][2]; - GLfloat q = span->tex[u][3]; - GLuint i; - if (ctx->FragmentProgram._Enabled || ctx->ATIFragmentShader._Enabled || - ctx->ShaderObjects._FragmentShaderPresent) { - /* do perspective correction but don't divide s, t, r by q */ - const GLfloat dwdx = span->dwdx; - GLfloat w = span->w; - for (i = 0; i < span->end; i++) { - const GLfloat invW = 1.0F / w; - texcoord[i][0] = s * invW; - texcoord[i][1] = t * invW; - texcoord[i][2] = r * invW; - texcoord[i][3] = q * invW; - lambda[i] = _swrast_compute_lambda(dsdx, dsdy, dtdx, dtdy, - dqdx, dqdy, texW, texH, - s, t, q, invW); - s += dsdx; - t += dtdx; - r += drdx; - q += dqdx; - w += dwdx; - } + span->arrayMask |= SPAN_TEXTURE; + + /* XXX CoordUnits vs. ImageUnits */ + for (u = 0; u < maxUnit; u++) { + if (ctx->Texture._EnabledCoordUnits & (1 << u)) { + const GLuint attr = FRAG_ATTRIB_TEX0 + u; + const struct gl_texture_object *obj = ctx->Texture.Unit[u]._Current; + GLfloat texW, texH; + GLboolean needLambda; + GLfloat (*texcoord)[4] = span->array->attribs[attr]; + GLfloat *lambda = span->array->lambda[u]; + const GLfloat dsdx = span->attrStepX[attr][0]; + const GLfloat dsdy = span->attrStepY[attr][0]; + const GLfloat dtdx = span->attrStepX[attr][1]; + const GLfloat dtdy = span->attrStepY[attr][1]; + const GLfloat drdx = span->attrStepX[attr][2]; + const GLfloat dqdx = span->attrStepX[attr][3]; + const GLfloat dqdy = span->attrStepY[attr][3]; + GLfloat s = span->attrStart[attr][0]; + GLfloat t = span->attrStart[attr][1]; + GLfloat r = span->attrStart[attr][2]; + GLfloat q = span->attrStart[attr][3]; + + if (obj) { + const struct gl_texture_image *img = obj->Image[0][obj->BaseLevel]; + needLambda = (obj->MinFilter != obj->MagFilter) + || ctx->FragmentProgram._Current; + texW = img->WidthScale; + texH = img->HeightScale; + } + else { + /* using a fragment program */ + texW = 1.0; + texH = 1.0; + needLambda = GL_FALSE; + } + if (needLambda) { + GLuint i; + if (ctx->FragmentProgram._Current + || ctx->ATIFragmentShader._Enabled) { + /* do perspective correction but don't divide s, t, r by q */ + const GLfloat dwdx = span->attrStepX[FRAG_ATTRIB_WPOS][3]; + GLfloat w = span->attrStart[FRAG_ATTRIB_WPOS][3]; + for (i = 0; i < span->end; i++) { + const GLfloat invW = 1.0F / w; + texcoord[i][0] = s * invW; + texcoord[i][1] = t * invW; + texcoord[i][2] = r * invW; + texcoord[i][3] = q * invW; + lambda[i] = _swrast_compute_lambda(dsdx, dsdy, dtdx, dtdy, + dqdx, dqdy, texW, texH, + s, t, q, invW); + s += dsdx; + t += dtdx; + r += drdx; + q += dqdx; + w += dwdx; } - else { - for (i = 0; i < span->end; i++) { - const GLfloat invQ = (q == 0.0F) ? 1.0F : (1.0F / q); - texcoord[i][0] = s * invQ; - texcoord[i][1] = t * invQ; - texcoord[i][2] = r * invQ; - texcoord[i][3] = q; - lambda[i] = _swrast_compute_lambda(dsdx, dsdy, dtdx, dtdy, - dqdx, dqdy, texW, texH, - s, t, q, invQ); - s += dsdx; - t += dtdx; - r += drdx; - q += dqdx; - } - } - span->arrayMask |= SPAN_LAMBDA; } else { - GLfloat (*texcoord)[4] = span->array->texcoords[u]; - GLfloat *lambda = span->array->lambda[u]; - const GLfloat dsdx = span->texStepX[u][0]; - const GLfloat dtdx = span->texStepX[u][1]; - const GLfloat drdx = span->texStepX[u][2]; - const GLfloat dqdx = span->texStepX[u][3]; - GLfloat s = span->tex[u][0]; - GLfloat t = span->tex[u][1]; - GLfloat r = span->tex[u][2]; - GLfloat q = span->tex[u][3]; - GLuint i; - if (ctx->FragmentProgram._Enabled || ctx->ATIFragmentShader._Enabled || - ctx->ShaderObjects._FragmentShaderPresent) { - /* do perspective correction but don't divide s, t, r by q */ - const GLfloat dwdx = span->dwdx; - GLfloat w = span->w; - for (i = 0; i < span->end; i++) { - const GLfloat invW = 1.0F / w; - texcoord[i][0] = s * invW; - texcoord[i][1] = t * invW; - texcoord[i][2] = r * invW; - texcoord[i][3] = q * invW; - lambda[i] = 0.0; - s += dsdx; - t += dtdx; - r += drdx; - q += dqdx; - w += dwdx; - } - } - else if (dqdx == 0.0F) { - /* Ortho projection or polygon's parallel to window X axis */ + for (i = 0; i < span->end; i++) { const GLfloat invQ = (q == 0.0F) ? 1.0F : (1.0F / q); - for (i = 0; i < span->end; i++) { - texcoord[i][0] = s * invQ; - texcoord[i][1] = t * invQ; - texcoord[i][2] = r * invQ; - texcoord[i][3] = q; - lambda[i] = 0.0; - s += dsdx; - t += dtdx; - r += drdx; - } - } - else { - for (i = 0; i < span->end; i++) { - const GLfloat invQ = (q == 0.0F) ? 1.0F : (1.0F / q); - texcoord[i][0] = s * invQ; - texcoord[i][1] = t * invQ; - texcoord[i][2] = r * invQ; - texcoord[i][3] = q; - lambda[i] = 0.0; - s += dsdx; - t += dtdx; - r += drdx; - q += dqdx; - } + texcoord[i][0] = s * invQ; + texcoord[i][1] = t * invQ; + texcoord[i][2] = r * invQ; + texcoord[i][3] = q; + lambda[i] = _swrast_compute_lambda(dsdx, dsdy, dtdx, dtdy, + dqdx, dqdy, texW, texH, + s, t, q, invQ); + s += dsdx; + t += dtdx; + r += drdx; + q += dqdx; } - } /* lambda */ - } /* if */ - } /* for */ - } - else { - /* single texture */ - const struct gl_texture_object *obj = ctx->Texture.Unit[0]._Current; - GLfloat texW, texH; - GLboolean needLambda; - if (obj) { - const struct gl_texture_image *img = obj->Image[0][obj->BaseLevel]; - needLambda = (obj->MinFilter != obj->MagFilter) - || ctx->FragmentProgram._Enabled; - texW = (GLfloat) img->WidthScale; - texH = (GLfloat) img->HeightScale; - } - else { - needLambda = GL_FALSE; - texW = texH = 1.0; - } - span->arrayMask |= SPAN_TEXTURE; - if (needLambda) { - /* just texture unit 0, with lambda */ - GLfloat (*texcoord)[4] = span->array->texcoords[0]; - GLfloat *lambda = span->array->lambda[0]; - const GLfloat dsdx = span->texStepX[0][0]; - const GLfloat dsdy = span->texStepY[0][0]; - const GLfloat dtdx = span->texStepX[0][1]; - const GLfloat dtdy = span->texStepY[0][1]; - const GLfloat drdx = span->texStepX[0][2]; - const GLfloat dqdx = span->texStepX[0][3]; - const GLfloat dqdy = span->texStepY[0][3]; - GLfloat s = span->tex[0][0]; - GLfloat t = span->tex[0][1]; - GLfloat r = span->tex[0][2]; - GLfloat q = span->tex[0][3]; - GLuint i; - if (ctx->FragmentProgram._Enabled || ctx->ATIFragmentShader._Enabled || - ctx->ShaderObjects._FragmentShaderPresent) { - /* do perspective correction but don't divide s, t, r by q */ - const GLfloat dwdx = span->dwdx; - GLfloat w = span->w; - for (i = 0; i < span->end; i++) { - const GLfloat invW = 1.0F / w; - texcoord[i][0] = s * invW; - texcoord[i][1] = t * invW; - texcoord[i][2] = r * invW; - texcoord[i][3] = q * invW; - lambda[i] = _swrast_compute_lambda(dsdx, dsdy, dtdx, dtdy, - dqdx, dqdy, texW, texH, - s, t, q, invW); - s += dsdx; - t += dtdx; - r += drdx; - q += dqdx; - w += dwdx; } + span->arrayMask |= SPAN_LAMBDA; } else { - /* tex.c */ - for (i = 0; i < span->end; i++) { - const GLfloat invQ = (q == 0.0F) ? 1.0F : (1.0F / q); - lambda[i] = _swrast_compute_lambda(dsdx, dsdy, dtdx, dtdy, - dqdx, dqdy, texW, texH, - s, t, q, invQ); - texcoord[i][0] = s * invQ; - texcoord[i][1] = t * invQ; - texcoord[i][2] = r * invQ; - texcoord[i][3] = q; - s += dsdx; - t += dtdx; - r += drdx; - q += dqdx; - } - } - span->arrayMask |= SPAN_LAMBDA; - } - else { - /* just texture 0, without lambda */ - GLfloat (*texcoord)[4] = span->array->texcoords[0]; - const GLfloat dsdx = span->texStepX[0][0]; - const GLfloat dtdx = span->texStepX[0][1]; - const GLfloat drdx = span->texStepX[0][2]; - const GLfloat dqdx = span->texStepX[0][3]; - GLfloat s = span->tex[0][0]; - GLfloat t = span->tex[0][1]; - GLfloat r = span->tex[0][2]; - GLfloat q = span->tex[0][3]; - GLuint i; - if (ctx->FragmentProgram._Enabled || ctx->ATIFragmentShader._Enabled || - ctx->ShaderObjects._FragmentShaderPresent) { - /* do perspective correction but don't divide s, t, r by q */ - const GLfloat dwdx = span->dwdx; - GLfloat w = span->w; - for (i = 0; i < span->end; i++) { - const GLfloat invW = 1.0F / w; - texcoord[i][0] = s * invW; - texcoord[i][1] = t * invW; - texcoord[i][2] = r * invW; - texcoord[i][3] = q * invW; - s += dsdx; - t += dtdx; - r += drdx; - q += dqdx; - w += dwdx; - } - } - else if (dqdx == 0.0F) { - /* Ortho projection or polygon's parallel to window X axis */ - const GLfloat invQ = (q == 0.0F) ? 1.0F : (1.0F / q); - for (i = 0; i < span->end; i++) { - texcoord[i][0] = s * invQ; - texcoord[i][1] = t * invQ; - texcoord[i][2] = r * invQ; - texcoord[i][3] = q; - s += dsdx; - t += dtdx; - r += drdx; + GLuint i; + if (ctx->FragmentProgram._Current || + ctx->ATIFragmentShader._Enabled) { + /* do perspective correction but don't divide s, t, r by q */ + const GLfloat dwdx = span->attrStepX[FRAG_ATTRIB_WPOS][3]; + GLfloat w = span->attrStart[FRAG_ATTRIB_WPOS][3]; + for (i = 0; i < span->end; i++) { + const GLfloat invW = 1.0F / w; + texcoord[i][0] = s * invW; + texcoord[i][1] = t * invW; + texcoord[i][2] = r * invW; + texcoord[i][3] = q * invW; + lambda[i] = 0.0; + s += dsdx; + t += dtdx; + r += drdx; + q += dqdx; + w += dwdx; + } } - } - else { - for (i = 0; i < span->end; i++) { + else if (dqdx == 0.0F) { + /* Ortho projection or polygon's parallel to window X axis */ const GLfloat invQ = (q == 0.0F) ? 1.0F : (1.0F / q); - texcoord[i][0] = s * invQ; - texcoord[i][1] = t * invQ; - texcoord[i][2] = r * invQ; - texcoord[i][3] = q; - s += dsdx; - t += dtdx; - r += drdx; - q += dqdx; + for (i = 0; i < span->end; i++) { + texcoord[i][0] = s * invQ; + texcoord[i][1] = t * invQ; + texcoord[i][2] = r * invQ; + texcoord[i][3] = q; + lambda[i] = 0.0; + s += dsdx; + t += dtdx; + r += drdx; + } } - } - } - } + else { + for (i = 0; i < span->end; i++) { + const GLfloat invQ = (q == 0.0F) ? 1.0F : (1.0F / q); + texcoord[i][0] = s * invQ; + texcoord[i][1] = t * invQ; + texcoord[i][2] = r * invQ; + texcoord[i][3] = q; + lambda[i] = 0.0; + s += dsdx; + t += dtdx; + r += drdx; + q += dqdx; + } + } + } /* lambda */ + } /* if */ + } /* for */ } + /** - * Fill in the span.varying array from the interpolation values. + * Fill in the arrays->attribs[FRAG_ATTRIB_VARx] arrays from the + * interpolation values. + * XXX since interpolants/arrays are getting uniformed, we might merge + * this with interpolate_texcoords(), interpolate_Fog(), etc. someday. */ static INLINE void interpolate_varying(GLcontext *ctx, SWspan *span) { - GLuint i, j; + GLuint var; + const GLbitfield inputsUsed = ctx->FragmentProgram._Current->Base.InputsRead; ASSERT(span->interpMask & SPAN_VARYING); ASSERT(!(span->arrayMask & SPAN_VARYING)); span->arrayMask |= SPAN_VARYING; - for (i = 0; i < MAX_VARYING_VECTORS; i++) { - for (j = 0; j < VARYINGS_PER_VECTOR; j++) { - const GLfloat dvdx = span->varStepX[i][j]; - GLfloat v = span->var[i][j]; - const GLfloat dwdx = span->dwdx; - GLfloat w = span->w; + for (var = 0; var < MAX_VARYING; var++) { + if (inputsUsed & FRAG_BIT_VAR(var)) { + const GLuint attr = FRAG_ATTRIB_VAR0 + var; + const GLfloat dwdx = span->attrStepX[FRAG_ATTRIB_WPOS][3]; + GLfloat w = span->attrStart[FRAG_ATTRIB_WPOS][3]; + const GLfloat dv0dx = span->attrStepX[attr][0]; + const GLfloat dv1dx = span->attrStepX[attr][1]; + const GLfloat dv2dx = span->attrStepX[attr][2]; + const GLfloat dv3dx = span->attrStepX[attr][3]; + GLfloat v0 = span->attrStart[attr][0]; + GLfloat v1 = span->attrStart[attr][1]; + GLfloat v2 = span->attrStart[attr][2]; + GLfloat v3 = span->attrStart[attr][3]; GLuint k; - for (k = 0; k < span->end; k++) { GLfloat invW = 1.0f / w; - span->array->varying[k][i][j] = v * invW; - v += dvdx; + span->array->attribs[attr][k][0] = v0 * invW; + span->array->attribs[attr][k][1] = v1 * invW; + span->array->attribs[attr][k][2] = v2 * invW; + span->array->attribs[attr][k][3] = v3 * invW; + v0 += dv0dx; + v1 += dv1dx; + v2 += dv2dx; + v3 += dv3dx; w += dwdx; } } @@ -850,28 +731,68 @@ interpolate_varying(GLcontext *ctx, SWspan *span) /** + * Fill in the arrays->attribs[FRAG_ATTRIB_WPOS] array. + */ +static INLINE void +interpolate_wpos(GLcontext *ctx, SWspan *span) +{ + GLfloat (*wpos)[4] = span->array->attribs[FRAG_ATTRIB_WPOS]; + GLuint i; + if (span->arrayMask & SPAN_XY) { + for (i = 0; i < span->end; i++) { + wpos[i][0] = (GLfloat) span->array->x[i]; + wpos[i][1] = (GLfloat) span->array->y[i]; + } + } + else { + for (i = 0; i < span->end; i++) { + wpos[i][0] = (GLfloat) span->x + i; + wpos[i][1] = (GLfloat) span->y; + } + } + for (i = 0; i < span->end; i++) { + wpos[i][2] = (GLfloat) span->array->z[i] / ctx->DrawBuffer->_DepthMaxF; + wpos[i][3] = span->attrStart[FRAG_ATTRIB_WPOS][3] + + i * span->attrStepX[FRAG_ATTRIB_WPOS][3]; + } +} + + +/** * Apply the current polygon stipple pattern to a span of pixels. */ static INLINE void -stipple_polygon_span( GLcontext *ctx, SWspan *span ) +stipple_polygon_span(GLcontext *ctx, SWspan *span) { - const GLuint highbit = 0x80000000; - const GLuint stipple = ctx->PolygonStipple[span->y % 32]; GLubyte *mask = span->array->mask; - GLuint i, m; ASSERT(ctx->Polygon.StippleFlag); - ASSERT((span->arrayMask & SPAN_XY) == 0); - m = highbit >> (GLuint) (span->x % 32); - - for (i = 0; i < span->end; i++) { - if ((m & stipple) == 0) { - mask[i] = 0; + if (span->arrayMask & SPAN_XY) { + /* arrays of x/y pixel coords */ + GLuint i; + for (i = 0; i < span->end; i++) { + const GLint col = span->array->x[i] % 32; + const GLint row = span->array->y[i] % 32; + const GLuint stipple = ctx->PolygonStipple[row]; + if (((1 << col) & stipple) == 0) { + mask[i] = 0; + } } - m = m >> 1; - if (m == 0) { - m = highbit; + } + else { + /* horizontal span of pixels */ + const GLuint highBit = 1 << 31; + const GLuint stipple = ctx->PolygonStipple[span->y % 32]; + GLuint i, m = highBit >> (GLuint) (span->x % 32); + for (i = 0; i < span->end; i++) { + if ((m & stipple) == 0) { + mask[i] = 0; + } + m = m >> 1; + if (m == 0) { + m = highBit; + } } } span->writeAll = GL_FALSE; @@ -1224,8 +1145,8 @@ add_specular(GLcontext *ctx, SWspan *span) break; case GL_FLOAT: { - GLfloat (*rgba)[4] = span->array->color.sz4.rgba; - GLfloat (*spec)[4] = span->array->color.sz4.spec; + GLfloat (*rgba)[4] = span->array->attribs[FRAG_ATTRIB_COL0]; + GLfloat (*spec)[4] = span->array->attribs[FRAG_ATTRIB_COL1]; GLuint i; for (i = 0; i < span->end; i++) { rgba[i][RCOMP] += spec[i][RCOMP]; @@ -1266,7 +1187,7 @@ apply_aa_coverage(SWspan *span) } } else { - GLfloat (*rgba)[4] = span->array->color.sz4.rgba; + GLfloat (*rgba)[4] = span->array->attribs[FRAG_ATTRIB_COL0]; for (i = 0; i < span->end; i++) { rgba[i][ACOMP] = rgba[i][ACOMP] * coverage[i]; } @@ -1280,7 +1201,7 @@ apply_aa_coverage(SWspan *span) static INLINE void clamp_colors(SWspan *span) { - GLfloat (*rgba)[4] = span->array->color.sz4.rgba; + GLfloat (*rgba)[4] = span->array->attribs[FRAG_ATTRIB_COL0]; GLuint i; ASSERT(span->array->ChanType == GL_FLOAT); for (i = 0; i < span->end; i++) { @@ -1294,28 +1215,35 @@ clamp_colors(SWspan *span) /** * Convert the span's color arrays to the given type. + * The only way 'output' can be greater than one is when we have a fragment + * program that writes to gl_FragData[1] or higher. + * \param output which fragment program color output is being processed */ static INLINE void -convert_color_type(GLcontext *ctx, SWspan *span, GLenum newType) +convert_color_type(SWspan *span, GLenum newType, GLuint output) { GLvoid *src, *dst; - if (span->array->ChanType == GL_UNSIGNED_BYTE) { - src = span->array->color.sz1.rgba; + + if (output > 0 || span->array->ChanType == GL_FLOAT) { + src = span->array->attribs[FRAG_ATTRIB_COL0 + output]; + span->array->ChanType = GL_FLOAT; } else if (span->array->ChanType == GL_UNSIGNED_BYTE) { - src = span->array->color.sz2.rgba; + src = span->array->color.sz1.rgba; } else { - src = span->array->color.sz4.rgba; + ASSERT(span->array->ChanType == GL_UNSIGNED_SHORT); + src = span->array->color.sz2.rgba; } + if (newType == GL_UNSIGNED_BYTE) { dst = span->array->color.sz1.rgba; } - else if (newType == GL_UNSIGNED_BYTE) { + else if (newType == GL_UNSIGNED_SHORT) { dst = span->array->color.sz2.rgba; } else { - dst = span->array->color.sz4.rgba; + dst = span->array->attribs[FRAG_ATTRIB_COL0]; } _mesa_convert_colors(span->array->ChanType, src, @@ -1333,46 +1261,58 @@ convert_color_type(GLcontext *ctx, SWspan *span, GLenum newType) static INLINE void shade_texture_span(GLcontext *ctx, SWspan *span) { - /* Now we need the rgba array, fill it in if needed */ - if (span->interpMask & SPAN_RGBA) + GLbitfield inputsRead; + + /* Determine which fragment attributes are actually needed */ + if (ctx->FragmentProgram._Current) { + inputsRead = ctx->FragmentProgram._Current->Base.InputsRead; + } + else { + /* XXX we could be a bit smarter about this */ + inputsRead = ~0; + } + + if ((inputsRead & FRAG_BIT_COL0) && (span->interpMask & SPAN_RGBA)) interpolate_colors(span); if (ctx->Texture._EnabledCoordUnits && (span->interpMask & SPAN_TEXTURE)) interpolate_texcoords(ctx, span); - if (ctx->ShaderObjects._FragmentShaderPresent || - ctx->FragmentProgram._Enabled || + if (ctx->FragmentProgram._Current || ctx->ATIFragmentShader._Enabled) { - /* use float colors if running a fragment program or shader */ const GLenum oldType = span->array->ChanType; const GLenum newType = GL_FLOAT; - if (oldType != newType) { + + if ((inputsRead & FRAG_BIT_COL0) && (oldType != newType)) { GLvoid *src = (oldType == GL_UNSIGNED_BYTE) ? (GLvoid *) span->array->color.sz1.rgba : (GLvoid *) span->array->color.sz2.rgba; + assert(span->arrayMask & SPAN_RGBA); _mesa_convert_colors(oldType, src, - newType, span->array->color.sz4.rgba, + newType, span->array->attribs[FRAG_ATTRIB_COL0], span->end, span->array->mask); - span->array->ChanType = newType; } + span->array->ChanType = newType; /* fragment programs/shaders may need specular, fog and Z coords */ - if (span->interpMask & SPAN_SPEC) + if ((inputsRead & FRAG_BIT_COL1) && (span->interpMask & SPAN_SPEC)) interpolate_specular(span); - if (span->interpMask & SPAN_FOG) + if ((inputsRead & FRAG_BIT_FOGC) && (span->interpMask & SPAN_FOG)) interpolate_fog(ctx, span); if (span->interpMask & SPAN_Z) _swrast_span_interpolate_z (ctx, span); - /* Run fragment program/shader now */ - if (ctx->ShaderObjects._FragmentShaderPresent) { + if ((inputsRead >= FRAG_BIT_VAR0) && (span->interpMask & SPAN_VARYING)) interpolate_varying(ctx, span); - _swrast_exec_arbshader(ctx, span); - } - else if (ctx->FragmentProgram._Enabled) { + + if (inputsRead & FRAG_BIT_WPOS) + interpolate_wpos(ctx, span); + + /* Run fragment program/shader now */ + if (ctx->FragmentProgram._Current) { _swrast_exec_fragment_program(ctx, span); } else { @@ -1403,11 +1343,11 @@ _swrast_write_rgba_span( GLcontext *ctx, SWspan *span) const GLbitfield origInterpMask = span->interpMask; const GLbitfield origArrayMask = span->arrayMask; const GLenum chanType = span->array->ChanType; - const GLboolean shader - = ctx->FragmentProgram._Enabled - || ctx->ShaderObjects._FragmentShaderPresent - || ctx->ATIFragmentShader._Enabled; + const GLboolean shader = (ctx->FragmentProgram._Current + || ctx->ATIFragmentShader._Enabled); const GLboolean shaderOrTexture = shader || ctx->Texture._EnabledUnits; + struct gl_framebuffer *fb = ctx->DrawBuffer; + GLuint output; GLboolean deferredTexture; /* @@ -1429,20 +1369,16 @@ _swrast_write_rgba_span( GLcontext *ctx, SWspan *span) deferredTexture = GL_FALSE; } else if (shaderOrTexture) { - if (ctx->FragmentProgram._Enabled) { - if (ctx->FragmentProgram.Current->Base.OutputsWritten + if (ctx->FragmentProgram._Current) { + if (ctx->FragmentProgram._Current->Base.OutputsWritten & (1 << FRAG_RESULT_DEPR)) { - /* Z comes from fragment program */ + /* Z comes from fragment program/shader */ deferredTexture = GL_FALSE; } else { deferredTexture = GL_TRUE; } } - else if (ctx->ShaderObjects._FragmentShaderPresent) { - /* XXX how do we test if Z is written by shader? */ - deferredTexture = GL_FALSE; /* never defer to be safe */ - } else { /* ATI frag shader or conventional texturing */ deferredTexture = GL_TRUE; @@ -1476,10 +1412,10 @@ _swrast_write_rgba_span( GLcontext *ctx, SWspan *span) GLuint i; for (i = 0; i < span->end; i++) { if (span->array->mask[i]) { - assert(span->array->x[i] >= ctx->DrawBuffer->_Xmin); - assert(span->array->x[i] < ctx->DrawBuffer->_Xmax); - assert(span->array->y[i] >= ctx->DrawBuffer->_Ymin); - assert(span->array->y[i] < ctx->DrawBuffer->_Ymax); + assert(span->array->x[i] >= fb->_Xmin); + assert(span->array->x[i] < fb->_Xmax); + assert(span->array->y[i] >= fb->_Ymin); + assert(span->array->y[i] < fb->_Ymax); } } } @@ -1511,13 +1447,13 @@ _swrast_write_rgba_span( GLcontext *ctx, SWspan *span) if (span->interpMask & SPAN_Z) _swrast_span_interpolate_z(ctx, span); - if (ctx->Stencil.Enabled && ctx->DrawBuffer->Visual.stencilBits > 0) { + if (ctx->Stencil.Enabled && fb->Visual.stencilBits > 0) { /* Combined Z/stencil tests */ if (!_swrast_stencil_and_ztest_span(ctx, span)) { goto end; } } - else if (ctx->DrawBuffer->Visual.depthBits > 0) { + else if (fb->Visual.depthBits > 0) { /* Just regular depth testing */ ASSERT(ctx->Depth.Test); ASSERT(span->arrayMask & SPAN_Z); @@ -1597,64 +1533,67 @@ _swrast_write_rgba_span( GLcontext *ctx, SWspan *span) /* * Write to renderbuffers */ - { - struct gl_framebuffer *fb = ctx->DrawBuffer; - const GLuint output = 0; /* only frag progs can write to other outputs */ - const GLuint numDrawBuffers = fb->_NumColorDrawBuffers[output]; - GLchan rgbaSave[MAX_WIDTH][4]; - GLuint buf; - - if (numDrawBuffers > 0) { - if (fb->_ColorDrawBuffers[output][0]->DataType - != span->array->ChanType) { - convert_color_type(ctx, span, - fb->_ColorDrawBuffers[output][0]->DataType); - } - } - - if (numDrawBuffers > 1) { - /* save colors for second, third renderbuffer writes */ - _mesa_memcpy(rgbaSave, span->array->rgba, - 4 * span->end * sizeof(GLchan)); - } - - for (buf = 0; buf < numDrawBuffers; buf++) { - struct gl_renderbuffer *rb = fb->_ColorDrawBuffers[output][buf]; - ASSERT(rb->_BaseFormat == GL_RGBA || rb->_BaseFormat == GL_RGB); - - if (ctx->Color._LogicOpEnabled) { - _swrast_logicop_rgba_span(ctx, rb, span); - } - else if (ctx->Color.BlendEnabled) { - _swrast_blend_span(ctx, rb, span); - } - - if (colorMask != 0xffffffff) { - _swrast_mask_rgba_span(ctx, rb, span); - } - - if (span->arrayMask & SPAN_XY) { - /* array of pixel coords */ - ASSERT(rb->PutValues); - rb->PutValues(ctx, rb, span->end, - span->array->x, span->array->y, - span->array->rgba, span->array->mask); - } - else { - /* horizontal run of pixels */ - ASSERT(rb->PutRow); - rb->PutRow(ctx, rb, span->end, span->x, span->y, span->array->rgba, - span->writeAll ? NULL: span->array->mask); - } - - if (buf + 1 < numDrawBuffers) { - /* restore original span values */ - _mesa_memcpy(span->array->rgba, rgbaSave, - 4 * span->end * sizeof(GLchan)); - } - } /* for buf */ - - } + /* Loop over color outputs (GL_ARB_draw_buffers) written by frag prog */ + for (output = 0; output < swrast->_NumColorOutputs; output++) { + if (swrast->_ColorOutputsMask & (1 << output)) { + const GLuint numDrawBuffers = fb->_NumColorDrawBuffers[output]; + GLchan rgbaSave[MAX_WIDTH][4]; + GLuint buf; + + ASSERT(numDrawBuffers > 0); + + if (fb->_ColorDrawBuffers[output][0]->DataType + != span->array->ChanType || output > 0) { + convert_color_type(span, + fb->_ColorDrawBuffers[output][0]->DataType, + output); + } + + if (numDrawBuffers > 1) { + /* save colors for second, third renderbuffer writes */ + _mesa_memcpy(rgbaSave, span->array->rgba, + 4 * span->end * sizeof(GLchan)); + } + + /* Loop over renderbuffers (i.e. GL_FRONT_AND_BACK) */ + for (buf = 0; buf < numDrawBuffers; buf++) { + struct gl_renderbuffer *rb = fb->_ColorDrawBuffers[output][buf]; + ASSERT(rb->_BaseFormat == GL_RGBA || rb->_BaseFormat == GL_RGB); + + if (ctx->Color._LogicOpEnabled) { + _swrast_logicop_rgba_span(ctx, rb, span); + } + else if (ctx->Color.BlendEnabled) { + _swrast_blend_span(ctx, rb, span); + } + + if (colorMask != 0xffffffff) { + _swrast_mask_rgba_span(ctx, rb, span); + } + + if (span->arrayMask & SPAN_XY) { + /* array of pixel coords */ + ASSERT(rb->PutValues); + rb->PutValues(ctx, rb, span->end, + span->array->x, span->array->y, + span->array->rgba, span->array->mask); + } + else { + /* horizontal run of pixels */ + ASSERT(rb->PutRow); + rb->PutRow(ctx, rb, span->end, span->x, span->y, + span->array->rgba, + span->writeAll ? NULL: span->array->mask); + } + + if (buf + 1 < numDrawBuffers) { + /* restore original span values */ + _mesa_memcpy(span->array->rgba, rgbaSave, + 4 * span->end * sizeof(GLchan)); + } + } /* for buf */ + } /* if output is written to */ + } /* for output */ end: /* restore these values before returning */ @@ -1665,9 +1604,9 @@ end: /** - * Read RGBA pixels from frame buffer. Clipping will be done to prevent + * Read RGBA pixels from a renderbuffer. Clipping will be done to prevent * reading ouside the buffer's boundaries. - * \param type datatype for returned colors + * \param dstType datatype for returned colors * \param rgba the returned colors */ void @@ -1732,7 +1671,7 @@ _swrast_read_rgba_span( GLcontext *ctx, struct gl_renderbuffer *rb, /** - * Read CI pixels from frame buffer. Clipping will be done to prevent + * Read CI pixels from a renderbuffer. Clipping will be done to prevent * reading ouside the buffer's boundaries. */ void @@ -1815,8 +1754,7 @@ _swrast_get_values(GLcontext *ctx, struct gl_renderbuffer *rb, for (i = 0; i < count; i++) { if (x[i] >= 0 && y[i] >= 0 && - x[i] < (GLint) rb->Width && - y[i] < (GLint) rb->Height) { + x[i] < (GLint) rb->Width && y[i] < (GLint) rb->Height) { /* inside */ if (inCount == 0) inStart = i; @@ -1850,13 +1788,13 @@ _swrast_put_row(GLcontext *ctx, struct gl_renderbuffer *rb, { GLint skip = 0; - if (y < 0 || (GLint) y >= rb->Height) + if (y < 0 || y >= (GLint) rb->Height) return; /* above or below */ if (x + (GLint) count <= 0 || x >= (GLint) rb->Width) return; /* entirely left or right */ - if (x + count > rb->Width) { + if ((GLint) (x + count) > (GLint) rb->Width) { /* right clip */ GLint clip = x + count - rb->Width; count -= clip; @@ -1885,10 +1823,10 @@ _swrast_get_row(GLcontext *ctx, struct gl_renderbuffer *rb, { GLint skip = 0; - if (y < 0 || y >= rb->Height) + if (y < 0 || y >= (GLint) rb->Height) return; /* above or below */ - if (x + (GLint) count <= 0 || x >= rb->Width) + if (x + (GLint) count <= 0 || x >= (GLint) rb->Width) return; /* entirely left or right */ if (x + count > rb->Width) { @@ -1933,7 +1871,7 @@ _swrast_get_dest_rgba(GLcontext *ctx, struct gl_renderbuffer *rb, rbPixels = span->array->color.sz2.spec; } else { - rbPixels = span->array->color.sz4.spec; + rbPixels = span->array->attribs[FRAG_ATTRIB_COL1]; } /* Get destination values from renderbuffer */ diff --git a/src/mesa/swrast/s_span.h b/src/mesa/swrast/s_span.h index c441106aba..8a9b9eb21c 100644 --- a/src/mesa/swrast/s_span.h +++ b/src/mesa/swrast/s_span.h @@ -31,6 +31,185 @@ #include "swrast.h" +/** + * \defgroup SpanFlags + * Bitflags used for interpMask and arrayMask fields below to indicate + * which interpolant values and fragment arrays are in use, respectively. + * + * XXX We should replace these flags with the FRAG_BIT_ values someday... + */ +/*@{*/ +#define SPAN_RGBA 0x001 +#define SPAN_SPEC 0x002 +#define SPAN_INDEX 0x004 +#define SPAN_Z 0x008 +#define SPAN_W 0x010 +#define SPAN_FOG 0x020 +#define SPAN_TEXTURE 0x040 +#define SPAN_INT_TEXTURE 0x080 +#define SPAN_LAMBDA 0x100 +#define SPAN_COVERAGE 0x200 +#define SPAN_FLAT 0x400 /**< flat shading? */ +#define SPAN_XY 0x800 +#define SPAN_MASK 0x1000 +#define SPAN_VARYING 0x2000 +/*@}*/ + + +#if 0 +/* alternate arrangement for code below */ +struct arrays2 { + union { + GLubyte sz1[MAX_WIDTH][4]; /* primary color */ + GLushort sz2[MAX_WIDTH][4]; + } rgba; + union { + GLubyte sz1[MAX_WIDTH][4]; /* specular color and temp storage */ + GLushort sz2[MAX_WIDTH][4]; + } spec; +}; +#endif + + + +/** + * \sw_span_arrays + * \brief Arrays of fragment values. + * + * These will either be computed from the span x/xStep values or + * filled in by glDraw/CopyPixels, etc. + * These arrays are separated out of sw_span to conserve memory. + */ +typedef struct sw_span_arrays +{ + /** Per-fragment attributes (indexed by FRAG_ATTRIB_* tokens) */ + /* XXX someday look at transposing first two indexes for better memory + * access pattern. + */ + GLfloat attribs[FRAG_ATTRIB_MAX][MAX_WIDTH][4]; + + /** This mask indicates which fragments are alive or culled */ + GLubyte mask[MAX_WIDTH]; + + GLenum ChanType; /**< Color channel type, GL_UNSIGNED_BYTE, GL_FLOAT */ + union { + struct { + GLubyte rgba[MAX_WIDTH][4]; /**< primary color */ + GLubyte spec[MAX_WIDTH][4]; /**< specular color and temp storage */ + } sz1; + struct { + GLushort rgba[MAX_WIDTH][4]; + GLushort spec[MAX_WIDTH][4]; + } sz2; + } color; + /** XXX these are temporary fields, pointing into above color arrays */ + GLchan (*rgba)[4]; + GLchan (*spec)[4]; + + GLint x[MAX_WIDTH]; /**< fragment X coords */ + GLint y[MAX_WIDTH]; /**< fragment Y coords */ + GLuint z[MAX_WIDTH]; /**< fragment Z coords */ + GLuint index[MAX_WIDTH]; /**< Color indexes */ + GLfloat lambda[MAX_TEXTURE_COORD_UNITS][MAX_WIDTH]; /**< Texture LOD */ + GLfloat coverage[MAX_WIDTH]; /**< Fragment coverage for AA/smoothing */ +} SWspanarrays; + + +/** + * The SWspan structure describes the colors, Z, fogcoord, texcoords, + * etc for either a horizontal run or an array of independent pixels. + * We can either specify a base/step to indicate interpolated values, or + * fill in explicit arrays of values. The interpMask and arrayMask bitfields + * indicate which attributes are active interpolants or arrays, respectively. + * + * It would be interesting to experiment with multiprocessor rasterization + * with this structure. The triangle rasterizer could simply emit a + * stream of these structures which would be consumed by one or more + * span-processing threads which could run in parallel. + */ +typedef struct sw_span +{ + /** Coord of first fragment in horizontal span/run */ + GLint x, y; + + /** Number of fragments in the span */ + GLuint end; + + /** This flag indicates that mask[] array is effectively filled with ones */ + GLboolean writeAll; + + /** either GL_POLYGON, GL_LINE, GL_POLYGON, GL_BITMAP */ + GLenum primitive; + + /** 0 = front-facing span, 1 = back-facing span (for two-sided stencil) */ + GLuint facing; + + /** + * This bitmask (of \link SpanFlags SPAN_* flags\endlink) indicates + * which of the attrStart/StepX/StepY variables are relevant. + */ + GLbitfield interpMask; + + /** Fragment attribute interpolants */ + GLfloat attrStart[FRAG_ATTRIB_MAX][4]; /**< initial value */ + GLfloat attrStepX[FRAG_ATTRIB_MAX][4]; /**< dvalue/dx */ + GLfloat attrStepY[FRAG_ATTRIB_MAX][4]; /**< dvalue/dy */ + + /* XXX the rest of these will go away eventually... */ + + /* For horizontal spans, step is the partial derivative wrt X. + * For lines, step is the delta from one fragment to the next. + */ +#if CHAN_TYPE == GL_FLOAT + GLfloat red, redStep; + GLfloat green, greenStep; + GLfloat blue, blueStep; + GLfloat alpha, alphaStep; + GLfloat specRed, specRedStep; + GLfloat specGreen, specGreenStep; + GLfloat specBlue, specBlueStep; +#else /* CHAN_TYPE == GL_UNSIGNED_BYTE or GL_UNSIGNED_SHORT */ + GLfixed red, redStep; + GLfixed green, greenStep; + GLfixed blue, blueStep; + GLfixed alpha, alphaStep; + GLfixed specRed, specRedStep; + GLfixed specGreen, specGreenStep; + GLfixed specBlue, specBlueStep; +#endif + GLfixed index, indexStep; + GLfixed z, zStep; /* XXX z should probably be GLuint */ + GLfixed intTex[2], intTexStep[2]; /* s, t only */ + + /** + * This bitmask (of \link SpanFlags SPAN_* flags\endlink) indicates + * which of the fragment arrays in the span_arrays struct are relevant. + */ + GLbitfield arrayMask; + + /** + * We store the arrays of fragment values in a separate struct so + * that we can allocate sw_span structs on the stack without using + * a lot of memory. The span_arrays struct is about 1.4MB while the + * sw_span struct is only about 512 bytes. + */ + SWspanarrays *array; +} SWspan; + + + +#define INIT_SPAN(S, PRIMITIVE, END, INTERP_MASK, ARRAY_MASK) \ +do { \ + (S).primitive = (PRIMITIVE); \ + (S).interpMask = (INTERP_MASK); \ + (S).arrayMask = (ARRAY_MASK); \ + (S).end = (END); \ + (S).facing = 0; \ + (S).array = SWRAST_CONTEXT(ctx)->SpanArrays; \ +} while (0) + + + extern void _swrast_span_default_z( GLcontext *ctx, SWspan *span ); diff --git a/src/mesa/swrast/s_texcombine.c b/src/mesa/swrast/s_texcombine.c index 2a3455f35e..ebb4c0d936 100644 --- a/src/mesa/swrast/s_texcombine.c +++ b/src/mesa/swrast/s_texcombine.c @@ -1094,6 +1094,9 @@ _swrast_texture_span( GLcontext *ctx, SWspan *span ) */ for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) { if (ctx->Texture.Unit[unit]._ReallyEnabled) { + const GLfloat (*texcoords)[4] + = (const GLfloat (*)[4]) + span->array->attribs[FRAG_ATTRIB_TEX0 + unit]; const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit]; const struct gl_texture_object *curObj = texUnit->_Current; GLfloat *lambda = span->array->lambda[unit]; @@ -1127,8 +1130,7 @@ _swrast_texture_span( GLcontext *ctx, SWspan *span ) /* Sample the texture (span->end = number of fragments) */ swrast->TextureSample[unit]( ctx, texUnit->_Current, span->end, - (const GLfloat (*)[4]) span->array->texcoords[unit], - lambda, texels ); + texcoords, lambda, texels ); /* GL_SGI_texture_color_table */ if (texUnit->ColorTableEnabled) { diff --git a/src/mesa/swrast/s_triangle.c b/src/mesa/swrast/s_triangle.c index b17c435460..3b7960bf80 100644 --- a/src/mesa/swrast/s_triangle.c +++ b/src/mesa/swrast/s_triangle.c @@ -1,8 +1,8 @@ /* * Mesa 3-D graphics library - * Version: 6.5.2 + * Version: 6.5.3 * - * Copyright (C) 1999-2006 Brian Paul All Rights Reserved. + * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), @@ -676,13 +676,13 @@ fast_persp_span(GLcontext *ctx, SWspan *span, const GLuint savedTexEnable = ctx->Texture._EnabledUnits; ctx->Texture._EnabledUnits = 0; - tex_coord[0] = span->tex[0][0] * (info->smask + 1); - tex_step[0] = span->texStepX[0][0] * (info->smask + 1); - tex_coord[1] = span->tex[0][1] * (info->tmask + 1); - tex_step[1] = span->texStepX[0][1] * (info->tmask + 1); - /* span->tex[0][2] only if 3D-texturing, here only 2D */ - tex_coord[2] = span->tex[0][3]; - tex_step[2] = span->texStepX[0][3]; + tex_coord[0] = span->attrStart[FRAG_ATTRIB_TEX0][0] * (info->smask + 1); + tex_step[0] = span->attrStepX[FRAG_ATTRIB_TEX0][0] * (info->smask + 1); + tex_coord[1] = span->attrStart[FRAG_ATTRIB_TEX0][1] * (info->tmask + 1); + tex_step[1] = span->attrStepX[FRAG_ATTRIB_TEX0][1] * (info->tmask + 1); + /* span->attrStart[FRAG_ATTRIB_TEX0][2] only if 3D-texturing, here only 2D */ + tex_coord[2] = span->attrStart[FRAG_ATTRIB_TEX0][3]; + tex_step[2] = span->attrStepX[FRAG_ATTRIB_TEX0][3]; switch (info->filter) { case GL_NEAREST: @@ -866,7 +866,6 @@ fast_persp_span(GLcontext *ctx, SWspan *span, /* * Render a smooth-shaded, textured, RGBA triangle. - * Interpolate S,T,R with perspective correction, w/out mipmapping. */ #define NAME general_textured_triangle #define INTERP_Z 1 @@ -881,24 +880,6 @@ fast_persp_span(GLcontext *ctx, SWspan *span, -/* - * This is the big one! - * Interpolate Z, RGB, Alpha, specular, fog, N sets of texture coordinates, and varying floats. - * Yup, it's slow. - */ -#define NAME multitextured_triangle -#define INTERP_Z 1 -#define INTERP_W 1 -#define INTERP_FOG 1 -#define INTERP_RGB 1 -#define INTERP_ALPHA 1 -#define INTERP_SPEC 1 -#define INTERP_MULTITEX 1 -#define INTERP_VARYING 1 -#define RENDER_SPAN( span ) _swrast_write_rgba_span(ctx, &span); -#include "s_tritemp.h" - - /* * Special tri function for occlusion testing @@ -1073,8 +1054,9 @@ _swrast_choose_triangle( GLcontext *ctx ) } } - if (ctx->Texture._EnabledCoordUnits || ctx->FragmentProgram._Enabled || - ctx->ATIFragmentShader._Enabled || ctx->ShaderObjects._FragmentShaderPresent) { + if (ctx->Texture._EnabledCoordUnits || + ctx->FragmentProgram._Current || + ctx->ATIFragmentShader._Enabled) { /* Ugh, we do a _lot_ of tests to pick the best textured tri func */ const struct gl_texture_object *texObj2D; const struct gl_texture_image *texImg; @@ -1089,9 +1071,8 @@ _swrast_choose_triangle( GLcontext *ctx ) /* First see if we can use an optimized 2-D texture function */ if (ctx->Texture._EnabledCoordUnits == 0x1 - && !ctx->FragmentProgram._Enabled + && !ctx->FragmentProgram._Current && !ctx->ATIFragmentShader._Enabled - && !ctx->ShaderObjects._FragmentShaderPresent && ctx->Texture.Unit[0]._ReallyEnabled == TEXTURE_2D_BIT && texObj2D->WrapS == GL_REPEAT && texObj2D->WrapT == GL_REPEAT @@ -1137,12 +1118,7 @@ _swrast_choose_triangle( GLcontext *ctx ) } else { /* general case textured triangles */ - if (ctx->Texture._EnabledCoordUnits > 1) { - USE(multitextured_triangle); - } - else { - USE(general_textured_triangle); - } + USE(general_textured_triangle); } } else { diff --git a/src/mesa/swrast/s_tritemp.h b/src/mesa/swrast/s_tritemp.h index 9e0a8a3d32..435491a0c8 100644 --- a/src/mesa/swrast/s_tritemp.h +++ b/src/mesa/swrast/s_tritemp.h @@ -1,8 +1,8 @@ /* * Mesa 3-D graphics library - * Version: 6.5 + * Version: 6.5.3 * - * Copyright (C) 1999-2006 Brian Paul All Rights Reserved. + * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), @@ -38,10 +38,8 @@ * INTERP_INDEX - if defined, interpolate color index values * INTERP_INT_TEX - if defined, interpolate integer ST texcoords * (fast, simple 2-D texture mapping) - * INTERP_TEX - if defined, interpolate set 0 float STRQ texcoords + * INTERP_TEX - if defined, interpolate texcoords and varying vars * NOTE: OpenGL STRQ = Mesa STUV (R was taken for red) - * INTERP_MULTITEX - if defined, interpolate N units of STRQ texcoords - * INTERP_VARYING - if defined, interpolate M floats of GLSL varyings * * When one can directly address pixels in the color buffer the following * macros can be defined and used to compute pixel addresses during @@ -119,43 +117,19 @@ #endif -/* - * Either loop over all texture units, or just use unit zero. - */ -#ifdef INTERP_MULTITEX -#define TEX_UNIT_LOOP(CODE) \ - { \ - GLuint u; \ - for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { \ - if (ctx->Texture._EnabledCoordUnits & (1 << u)) { \ - CODE \ - } \ - } \ +#define TEXVAR_LOOP(CODE) \ + { \ + GLuint attr; \ + for (attr = swrast->_MinFragmentAttrib; \ + attr < swrast->_MaxFragmentAttrib; attr++) { \ + if (swrast->_FragmentAttribs & (1 << attr)) { \ + CODE \ + } \ + } \ } -#define INTERP_TEX -#elif defined(INTERP_TEX) -#define TEX_UNIT_LOOP(CODE) \ - { \ - const GLuint u = 0; \ - CODE \ - } -#endif -#ifdef INTERP_VARYING -#define VARYING_LOOP(CODE)\ - {\ - GLuint iv, ic;\ - for (iv = 0; iv < MAX_VARYING_VECTORS; iv++) {\ - for (ic = 0; ic < VARYINGS_PER_VECTOR; ic++) {\ - CODE\ - }\ - }\ - } -#endif - - /* * Some code we unfortunately need to prevent negative interpolated colors. @@ -201,6 +175,7 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, GLint lines; /* number of lines to be sampled on this edge */ } EdgeT; + const SWcontext *swrast = SWRAST_CONTEXT(ctx); #ifdef INTERP_Z const GLint depthBits = ctx->DrawBuffer->Visual.depthBits; const GLint fixedToDepthShift = depthBits <= 16 ? FIXED_SHIFT : 0; @@ -218,6 +193,8 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, SWspan span; + (void) swrast; + INIT_SPAN(span, GL_POLYGON, 0, 0, 0); #ifdef INTERP_Z @@ -465,19 +442,19 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, { GLfloat eMaj_dz = vMax->win[2] - vMin->win[2]; GLfloat eBot_dz = vMid->win[2] - vMin->win[2]; - span.dzdx = oneOverArea * (eMaj_dz * eBot.dy - eMaj.dy * eBot_dz); - if (span.dzdx > maxDepth || span.dzdx < -maxDepth) { + span.attrStepX[FRAG_ATTRIB_WPOS][2] = oneOverArea * (eMaj_dz * eBot.dy - eMaj.dy * eBot_dz); + if (span.attrStepX[FRAG_ATTRIB_WPOS][2] > maxDepth || span.attrStepX[FRAG_ATTRIB_WPOS][2] < -maxDepth) { /* probably a sliver triangle */ - span.dzdx = 0.0; - span.dzdy = 0.0; + span.attrStepX[FRAG_ATTRIB_WPOS][2] = 0.0; + span.attrStepY[FRAG_ATTRIB_WPOS][2] = 0.0; } else { - span.dzdy = oneOverArea * (eMaj.dx * eBot_dz - eMaj_dz * eBot.dx); + span.attrStepY[FRAG_ATTRIB_WPOS][2] = oneOverArea * (eMaj.dx * eBot_dz - eMaj_dz * eBot.dx); } if (depthBits <= 16) - span.zStep = SignedFloatToFixed(span.dzdx); + span.zStep = SignedFloatToFixed(span.attrStepX[FRAG_ATTRIB_WPOS][2]); else - span.zStep = (GLint) span.dzdx; + span.zStep = (GLint) span.attrStepX[FRAG_ATTRIB_WPOS][2]; } #endif #ifdef INTERP_W @@ -485,8 +462,8 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, { const GLfloat eMaj_dw = vMax->win[3] - vMin->win[3]; const GLfloat eBot_dw = vMid->win[3] - vMin->win[3]; - span.dwdx = oneOverArea * (eMaj_dw * eBot.dy - eMaj.dy * eBot_dw); - span.dwdy = oneOverArea * (eMaj.dx * eBot_dw - eMaj_dw * eBot.dx); + span.attrStepX[FRAG_ATTRIB_WPOS][3] = oneOverArea * (eMaj_dw * eBot.dy - eMaj.dy * eBot_dw); + span.attrStepY[FRAG_ATTRIB_WPOS][3] = oneOverArea * (eMaj.dx * eBot_dw - eMaj_dw * eBot.dx); } #endif #ifdef INTERP_FOG @@ -500,9 +477,8 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, const GLfloat eMaj_dfog = vMax->fog - vMin->fog; const GLfloat eBot_dfog = vMid->fog - vMin->fog; # endif - span.dfogdx = oneOverArea * (eMaj_dfog * eBot.dy - eMaj.dy * eBot_dfog); - span.dfogdy = oneOverArea * (eMaj.dx * eBot_dfog - eMaj_dfog * eBot.dx); - span.fogStep = span.dfogdx; + span.attrStepX[FRAG_ATTRIB_FOGC][0] = oneOverArea * (eMaj_dfog * eBot.dy - eMaj.dy * eBot_dfog); + span.attrStepY[FRAG_ATTRIB_FOGC][0] = oneOverArea * (eMaj.dx * eBot_dfog - eMaj_dfog * eBot.dx); } #endif #ifdef INTERP_RGB @@ -518,37 +494,37 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, GLfloat eMaj_da = (GLfloat) ((ColorTemp) vMax->color[ACOMP] - (ColorTemp) vMin->color[ACOMP]); GLfloat eBot_da = (GLfloat) ((ColorTemp) vMid->color[ACOMP] - (ColorTemp) vMin->color[ACOMP]); # endif - span.drdx = oneOverArea * (eMaj_dr * eBot.dy - eMaj.dy * eBot_dr); - span.drdy = oneOverArea * (eMaj.dx * eBot_dr - eMaj_dr * eBot.dx); - span.dgdx = oneOverArea * (eMaj_dg * eBot.dy - eMaj.dy * eBot_dg); - span.dgdy = oneOverArea * (eMaj.dx * eBot_dg - eMaj_dg * eBot.dx); - span.dbdx = oneOverArea * (eMaj_db * eBot.dy - eMaj.dy * eBot_db); - span.dbdy = oneOverArea * (eMaj.dx * eBot_db - eMaj_db * eBot.dx); + span.attrStepX[FRAG_ATTRIB_COL0][0] = oneOverArea * (eMaj_dr * eBot.dy - eMaj.dy * eBot_dr); + span.attrStepY[FRAG_ATTRIB_COL0][0] = oneOverArea * (eMaj.dx * eBot_dr - eMaj_dr * eBot.dx); + span.attrStepX[FRAG_ATTRIB_COL0][1] = oneOverArea * (eMaj_dg * eBot.dy - eMaj.dy * eBot_dg); + span.attrStepY[FRAG_ATTRIB_COL0][1] = oneOverArea * (eMaj.dx * eBot_dg - eMaj_dg * eBot.dx); + span.attrStepX[FRAG_ATTRIB_COL0][2] = oneOverArea * (eMaj_db * eBot.dy - eMaj.dy * eBot_db); + span.attrStepY[FRAG_ATTRIB_COL0][2] = oneOverArea * (eMaj.dx * eBot_db - eMaj_db * eBot.dx); # if CHAN_TYPE == GL_FLOAT - span.redStep = span.drdx; - span.greenStep = span.dgdx; - span.blueStep = span.dbdx; + span.redStep = span.attrStepX[FRAG_ATTRIB_COL0][0]; + span.greenStep = span.attrStepX[FRAG_ATTRIB_COL0][1]; + span.blueStep = span.attrStepX[FRAG_ATTRIB_COL0][2]; # else - span.redStep = SignedFloatToFixed(span.drdx); - span.greenStep = SignedFloatToFixed(span.dgdx); - span.blueStep = SignedFloatToFixed(span.dbdx); + span.redStep = SignedFloatToFixed(span.attrStepX[FRAG_ATTRIB_COL0][0]); + span.greenStep = SignedFloatToFixed(span.attrStepX[FRAG_ATTRIB_COL0][1]); + span.blueStep = SignedFloatToFixed(span.attrStepX[FRAG_ATTRIB_COL0][2]); # endif /* GL_FLOAT */ # ifdef INTERP_ALPHA - span.dadx = oneOverArea * (eMaj_da * eBot.dy - eMaj.dy * eBot_da); - span.dady = oneOverArea * (eMaj.dx * eBot_da - eMaj_da * eBot.dx); + span.attrStepX[FRAG_ATTRIB_COL0][3] = oneOverArea * (eMaj_da * eBot.dy - eMaj.dy * eBot_da); + span.attrStepX[FRAG_ATTRIB_COL0][3] = oneOverArea * (eMaj.dx * eBot_da - eMaj_da * eBot.dx); # if CHAN_TYPE == GL_FLOAT - span.alphaStep = span.dadx; + span.alphaStep = span.attrStepX[FRAG_ATTRIB_COL0][3]; # else - span.alphaStep = SignedFloatToFixed(span.dadx); + span.alphaStep = SignedFloatToFixed(span.attrStepX[FRAG_ATTRIB_COL0][3]); # endif /* GL_FLOAT */ # endif /* INTERP_ALPHA */ } else { ASSERT(ctx->Light.ShadeModel == GL_FLAT); span.interpMask |= SPAN_FLAT; - span.drdx = span.drdy = 0.0F; - span.dgdx = span.dgdy = 0.0F; - span.dbdx = span.dbdy = 0.0F; + span.attrStepX[FRAG_ATTRIB_COL0][0] = span.attrStepY[FRAG_ATTRIB_COL0][0] = 0.0F; + span.attrStepX[FRAG_ATTRIB_COL0][1] = span.attrStepY[FRAG_ATTRIB_COL0][1] = 0.0F; + span.attrStepX[FRAG_ATTRIB_COL0][2] = span.attrStepY[FRAG_ATTRIB_COL0][2] = 0.0F; # if CHAN_TYPE == GL_FLOAT span.redStep = 0.0F; span.greenStep = 0.0F; @@ -559,7 +535,7 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, span.blueStep = 0; # endif /* GL_FLOAT */ # ifdef INTERP_ALPHA - span.dadx = span.dady = 0.0F; + span.attrStepX[FRAG_ATTRIB_COL0][3] = span.attrStepX[FRAG_ATTRIB_COL0][3] = 0.0F; # if CHAN_TYPE == GL_FLOAT span.alphaStep = 0.0F; # else @@ -577,26 +553,26 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, GLfloat eBot_dsg = (GLfloat) ((ColorTemp) vMid->specular[GCOMP] - (ColorTemp) vMin->specular[GCOMP]); GLfloat eMaj_dsb = (GLfloat) ((ColorTemp) vMax->specular[BCOMP] - (ColorTemp) vMin->specular[BCOMP]); GLfloat eBot_dsb = (GLfloat) ((ColorTemp) vMid->specular[BCOMP] - (ColorTemp) vMin->specular[BCOMP]); - span.dsrdx = oneOverArea * (eMaj_dsr * eBot.dy - eMaj.dy * eBot_dsr); - span.dsrdy = oneOverArea * (eMaj.dx * eBot_dsr - eMaj_dsr * eBot.dx); - span.dsgdx = oneOverArea * (eMaj_dsg * eBot.dy - eMaj.dy * eBot_dsg); - span.dsgdy = oneOverArea * (eMaj.dx * eBot_dsg - eMaj_dsg * eBot.dx); - span.dsbdx = oneOverArea * (eMaj_dsb * eBot.dy - eMaj.dy * eBot_dsb); - span.dsbdy = oneOverArea * (eMaj.dx * eBot_dsb - eMaj_dsb * eBot.dx); + span.attrStepX[FRAG_ATTRIB_COL1][0] = oneOverArea * (eMaj_dsr * eBot.dy - eMaj.dy * eBot_dsr); + span.attrStepY[FRAG_ATTRIB_COL1][0] = oneOverArea * (eMaj.dx * eBot_dsr - eMaj_dsr * eBot.dx); + span.attrStepX[FRAG_ATTRIB_COL1][1] = oneOverArea * (eMaj_dsg * eBot.dy - eMaj.dy * eBot_dsg); + span.attrStepY[FRAG_ATTRIB_COL1][1] = oneOverArea * (eMaj.dx * eBot_dsg - eMaj_dsg * eBot.dx); + span.attrStepX[FRAG_ATTRIB_COL1][2] = oneOverArea * (eMaj_dsb * eBot.dy - eMaj.dy * eBot_dsb); + span.attrStepY[FRAG_ATTRIB_COL1][2] = oneOverArea * (eMaj.dx * eBot_dsb - eMaj_dsb * eBot.dx); # if CHAN_TYPE == GL_FLOAT - span.specRedStep = span.dsrdx; + span.specRedStep = span.attrStep[FRAG_ATTRIB_COL1][0]; span.specGreenStep = span.dsgdx; span.specBlueStep = span.dsbdx; # else - span.specRedStep = SignedFloatToFixed(span.dsrdx); - span.specGreenStep = SignedFloatToFixed(span.dsgdx); - span.specBlueStep = SignedFloatToFixed(span.dsbdx); + span.specRedStep = SignedFloatToFixed(span.attrStepX[FRAG_ATTRIB_COL1][0]); + span.specGreenStep = SignedFloatToFixed(span.attrStepX[FRAG_ATTRIB_COL1][1]); + span.specBlueStep = SignedFloatToFixed(span.attrStepX[FRAG_ATTRIB_COL1][2]); # endif } else { - span.dsrdx = span.dsrdy = 0.0F; - span.dsgdx = span.dsgdy = 0.0F; - span.dsbdx = span.dsbdy = 0.0F; + span.attrStepX[FRAG_ATTRIB_COL1][0] = span.attrStepY[FRAG_ATTRIB_COL1][0] = 0.0F; + span.attrStepX[FRAG_ATTRIB_COL1][1] = span.attrStepY[FRAG_ATTRIB_COL1][1] = 0.0F; + span.attrStepX[FRAG_ATTRIB_COL1][2] = span.attrStepY[FRAG_ATTRIB_COL1][2] = 0.0F; # if CHAN_TYPE == GL_FLOAT span.specRedStep = 0.0F; span.specGreenStep = 0.0F; @@ -626,53 +602,40 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, #ifdef INTERP_INT_TEX span.interpMask |= SPAN_INT_TEXTURE; { - GLfloat eMaj_ds = (vMax->texcoord[0][0] - vMin->texcoord[0][0]) * S_SCALE; - GLfloat eBot_ds = (vMid->texcoord[0][0] - vMin->texcoord[0][0]) * S_SCALE; - GLfloat eMaj_dt = (vMax->texcoord[0][1] - vMin->texcoord[0][1]) * T_SCALE; - GLfloat eBot_dt = (vMid->texcoord[0][1] - vMin->texcoord[0][1]) * T_SCALE; - span.texStepX[0][0] = oneOverArea * (eMaj_ds * eBot.dy - eMaj.dy * eBot_ds); - span.texStepY[0][0] = oneOverArea * (eMaj.dx * eBot_ds - eMaj_ds * eBot.dx); - span.texStepX[0][1] = oneOverArea * (eMaj_dt * eBot.dy - eMaj.dy * eBot_dt); - span.texStepY[0][1] = oneOverArea * (eMaj.dx * eBot_dt - eMaj_dt * eBot.dx); - span.intTexStep[0] = SignedFloatToFixed(span.texStepX[0][0]); - span.intTexStep[1] = SignedFloatToFixed(span.texStepX[0][1]); + GLfloat eMaj_ds = (vMax->attrib[FRAG_ATTRIB_TEX0][0] - vMin->attrib[FRAG_ATTRIB_TEX0][0]) * S_SCALE; + GLfloat eBot_ds = (vMid->attrib[FRAG_ATTRIB_TEX0][0] - vMin->attrib[FRAG_ATTRIB_TEX0][0]) * S_SCALE; + GLfloat eMaj_dt = (vMax->attrib[FRAG_ATTRIB_TEX0][1] - vMin->attrib[FRAG_ATTRIB_TEX0][1]) * T_SCALE; + GLfloat eBot_dt = (vMid->attrib[FRAG_ATTRIB_TEX0][1] - vMin->attrib[FRAG_ATTRIB_TEX0][1]) * T_SCALE; + span.attrStepX[FRAG_ATTRIB_TEX0][0] = oneOverArea * (eMaj_ds * eBot.dy - eMaj.dy * eBot_ds); + span.attrStepY[FRAG_ATTRIB_TEX0][0] = oneOverArea * (eMaj.dx * eBot_ds - eMaj_ds * eBot.dx); + span.attrStepX[FRAG_ATTRIB_TEX0][1] = oneOverArea * (eMaj_dt * eBot.dy - eMaj.dy * eBot_dt); + span.attrStepY[FRAG_ATTRIB_TEX0][1] = oneOverArea * (eMaj.dx * eBot_dt - eMaj_dt * eBot.dx); + span.intTexStep[0] = SignedFloatToFixed(span.attrStepX[FRAG_ATTRIB_TEX0][0]); + span.intTexStep[1] = SignedFloatToFixed(span.attrStepX[FRAG_ATTRIB_TEX0][1]); } #endif #ifdef INTERP_TEX - span.interpMask |= SPAN_TEXTURE; + span.interpMask |= (SPAN_TEXTURE | SPAN_VARYING); { /* win[3] is 1/W */ const GLfloat wMax = vMax->win[3], wMin = vMin->win[3], wMid = vMid->win[3]; - TEX_UNIT_LOOP( - GLfloat eMaj_ds = vMax->texcoord[u][0] * wMax - vMin->texcoord[u][0] * wMin; - GLfloat eBot_ds = vMid->texcoord[u][0] * wMid - vMin->texcoord[u][0] * wMin; - GLfloat eMaj_dt = vMax->texcoord[u][1] * wMax - vMin->texcoord[u][1] * wMin; - GLfloat eBot_dt = vMid->texcoord[u][1] * wMid - vMin->texcoord[u][1] * wMin; - GLfloat eMaj_du = vMax->texcoord[u][2] * wMax - vMin->texcoord[u][2] * wMin; - GLfloat eBot_du = vMid->texcoord[u][2] * wMid - vMin->texcoord[u][2] * wMin; - GLfloat eMaj_dv = vMax->texcoord[u][3] * wMax - vMin->texcoord[u][3] * wMin; - GLfloat eBot_dv = vMid->texcoord[u][3] * wMid - vMin->texcoord[u][3] * wMin; - span.texStepX[u][0] = oneOverArea * (eMaj_ds * eBot.dy - eMaj.dy * eBot_ds); - span.texStepY[u][0] = oneOverArea * (eMaj.dx * eBot_ds - eMaj_ds * eBot.dx); - span.texStepX[u][1] = oneOverArea * (eMaj_dt * eBot.dy - eMaj.dy * eBot_dt); - span.texStepY[u][1] = oneOverArea * (eMaj.dx * eBot_dt - eMaj_dt * eBot.dx); - span.texStepX[u][2] = oneOverArea * (eMaj_du * eBot.dy - eMaj.dy * eBot_du); - span.texStepY[u][2] = oneOverArea * (eMaj.dx * eBot_du - eMaj_du * eBot.dx); - span.texStepX[u][3] = oneOverArea * (eMaj_dv * eBot.dy - eMaj.dy * eBot_dv); - span.texStepY[u][3] = oneOverArea * (eMaj.dx * eBot_dv - eMaj_dv * eBot.dx); - ) - } -#endif -#ifdef INTERP_VARYING - span.interpMask |= SPAN_VARYING; - { - /* win[3] is 1/W */ - const GLfloat wMax = vMax->win[3], wMin = vMin->win[3], wMid = vMid->win[3]; - VARYING_LOOP( - GLfloat eMaj_dvar = vMax->attribute[iv][ic] * wMax - vMin->attribute[iv][ic] * wMin; - GLfloat eBot_dvar = vMid->attribute[iv][ic] * wMid - vMin->attribute[iv][ic] * wMin; - span.varStepX[iv][ic] = oneOverArea * (eMaj_dvar * eBot.dy - eMaj.dy * eBot_dvar); - span.varStepY[iv][ic] = oneOverArea * (eMaj.dx * eBot_dvar - eMaj_dvar * eBot.dx); + TEXVAR_LOOP( + GLfloat eMaj_ds = vMax->attrib[attr][0] * wMax - vMin->attrib[attr][0] * wMin; + GLfloat eBot_ds = vMid->attrib[attr][0] * wMid - vMin->attrib[attr][0] * wMin; + GLfloat eMaj_dt = vMax->attrib[attr][1] * wMax - vMin->attrib[attr][1] * wMin; + GLfloat eBot_dt = vMid->attrib[attr][1] * wMid - vMin->attrib[attr][1] * wMin; + GLfloat eMaj_du = vMax->attrib[attr][2] * wMax - vMin->attrib[attr][2] * wMin; + GLfloat eBot_du = vMid->attrib[attr][2] * wMid - vMin->attrib[attr][2] * wMin; + GLfloat eMaj_dv = vMax->attrib[attr][3] * wMax - vMin->attrib[attr][3] * wMin; + GLfloat eBot_dv = vMid->attrib[attr][3] * wMid - vMin->attrib[attr][3] * wMin; + span.attrStepX[attr][0] = oneOverArea * (eMaj_ds * eBot.dy - eMaj.dy * eBot_ds); + span.attrStepY[attr][0] = oneOverArea * (eMaj.dx * eBot_ds - eMaj_ds * eBot.dx); + span.attrStepX[attr][1] = oneOverArea * (eMaj_dt * eBot.dy - eMaj.dy * eBot_dt); + span.attrStepY[attr][1] = oneOverArea * (eMaj.dx * eBot_dt - eMaj_dt * eBot.dx); + span.attrStepX[attr][2] = oneOverArea * (eMaj_du * eBot.dy - eMaj.dy * eBot_du); + span.attrStepY[attr][2] = oneOverArea * (eMaj.dx * eBot_du - eMaj_du * eBot.dx); + span.attrStepX[attr][3] = oneOverArea * (eMaj_dv * eBot.dy - eMaj.dy * eBot_dv); + span.attrStepY[attr][3] = oneOverArea * (eMaj.dx * eBot_dv - eMaj_dv * eBot.dx); ) } #endif @@ -770,19 +733,14 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, GLfixed tLeft=0, dtOuter=0, dtInner; #endif #ifdef INTERP_TEX - GLfloat sLeft[MAX_TEXTURE_COORD_UNITS]; - GLfloat tLeft[MAX_TEXTURE_COORD_UNITS]; - GLfloat uLeft[MAX_TEXTURE_COORD_UNITS]; - GLfloat vLeft[MAX_TEXTURE_COORD_UNITS]; - GLfloat dsOuter[MAX_TEXTURE_COORD_UNITS], dsInner[MAX_TEXTURE_COORD_UNITS]; - GLfloat dtOuter[MAX_TEXTURE_COORD_UNITS], dtInner[MAX_TEXTURE_COORD_UNITS]; - GLfloat duOuter[MAX_TEXTURE_COORD_UNITS], duInner[MAX_TEXTURE_COORD_UNITS]; - GLfloat dvOuter[MAX_TEXTURE_COORD_UNITS], dvInner[MAX_TEXTURE_COORD_UNITS]; -#endif -#ifdef INTERP_VARYING - GLfloat varLeft[MAX_VARYING_VECTORS][VARYINGS_PER_VECTOR]; - GLfloat dvarOuter[MAX_VARYING_VECTORS][VARYINGS_PER_VECTOR]; - GLfloat dvarInner[MAX_VARYING_VECTORS][VARYINGS_PER_VECTOR]; + GLfloat sLeft[FRAG_ATTRIB_MAX]; + GLfloat tLeft[FRAG_ATTRIB_MAX]; + GLfloat uLeft[FRAG_ATTRIB_MAX]; + GLfloat vLeft[FRAG_ATTRIB_MAX]; + GLfloat dsOuter[FRAG_ATTRIB_MAX], dsInner[FRAG_ATTRIB_MAX]; + GLfloat dtOuter[FRAG_ATTRIB_MAX], dtInner[FRAG_ATTRIB_MAX]; + GLfloat duOuter[FRAG_ATTRIB_MAX], duInner[FRAG_ATTRIB_MAX]; + GLfloat dvOuter[FRAG_ATTRIB_MAX], dvInner[FRAG_ATTRIB_MAX]; #endif for (subTriangle=0; subTriangle<=1; subTriangle++) { @@ -894,19 +852,20 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, GLfloat z0 = vLower->win[2]; if (depthBits <= 16) { /* interpolate fixed-pt values */ - GLfloat tmp = (z0 * FIXED_SCALE + span.dzdx * adjx - + span.dzdy * adjy) + FIXED_HALF; + GLfloat tmp = (z0 * FIXED_SCALE + + span.attrStepX[FRAG_ATTRIB_WPOS][2] * adjx + + span.attrStepY[FRAG_ATTRIB_WPOS][2] * adjy) + FIXED_HALF; if (tmp < MAX_GLUINT / 2) zLeft = (GLfixed) tmp; else zLeft = MAX_GLUINT / 2; - fdzOuter = SignedFloatToFixed(span.dzdy + dxOuter * span.dzdx); + fdzOuter = SignedFloatToFixed(span.attrStepY[FRAG_ATTRIB_WPOS][2] + dxOuter * span.attrStepX[FRAG_ATTRIB_WPOS][2]); } else { /* interpolate depth values w/out scaling */ - zLeft = (GLuint) (z0 + span.dzdx * FixedToFloat(adjx) - + span.dzdy * FixedToFloat(adjy)); - fdzOuter = (GLint) (span.dzdy + dxOuter * span.dzdx); + zLeft = (GLuint) (z0 + span.attrStepX[FRAG_ATTRIB_WPOS][2] * FixedToFloat(adjx) + + span.attrStepY[FRAG_ATTRIB_WPOS][2] * FixedToFloat(adjy)); + fdzOuter = (GLint) (span.attrStepY[FRAG_ATTRIB_WPOS][2] + dxOuter * span.attrStepX[FRAG_ATTRIB_WPOS][2]); } # ifdef DEPTH_TYPE zRow = (DEPTH_TYPE *) @@ -916,41 +875,41 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, } #endif #ifdef INTERP_W - wLeft = vLower->win[3] + (span.dwdx * adjx + span.dwdy * adjy) * (1.0F/FIXED_SCALE); - dwOuter = span.dwdy + dxOuter * span.dwdx; + wLeft = vLower->win[3] + (span.attrStepX[FRAG_ATTRIB_WPOS][3] * adjx + span.attrStepY[FRAG_ATTRIB_WPOS][3] * adjy) * (1.0F/FIXED_SCALE); + dwOuter = span.attrStepY[FRAG_ATTRIB_WPOS][3] + dxOuter * span.attrStepX[FRAG_ATTRIB_WPOS][3]; #endif #ifdef INTERP_FOG # ifdef INTERP_W - fogLeft = vLower->fog * vLower->win[3] + (span.dfogdx * adjx + span.dfogdy * adjy) * (1.0F/FIXED_SCALE); + fogLeft = vLower->fog * vLower->win[3] + (span.attrStepX[FRAG_ATTRIB_FOGC][0] * adjx + span.attrStepY[FRAG_ATTRIB_FOGC][0] * adjy) * (1.0F/FIXED_SCALE); # else - fogLeft = vLower->fog + (span.dfogdx * adjx + span.dfogdy * adjy) * (1.0F/FIXED_SCALE); + fogLeft = vLower->fog + (span.attrStepX[FRAG_ATTRIB_FOGC][0] * adjx + span.attrStepY[FRAG_ATTRIB_FOGC][0] * adjy) * (1.0F/FIXED_SCALE); # endif - dfogOuter = span.dfogdy + dxOuter * span.dfogdx; + dfogOuter = span.attrStepY[FRAG_ATTRIB_FOGC][0] + dxOuter * span.attrStepX[FRAG_ATTRIB_FOGC][0]; #endif #ifdef INTERP_RGB if (ctx->Light.ShadeModel == GL_SMOOTH) { # if CHAN_TYPE == GL_FLOAT - rLeft = vLower->color[RCOMP] + (span.drdx * adjx + span.drdy * adjy) * (1.0F / FIXED_SCALE); - gLeft = vLower->color[GCOMP] + (span.dgdx * adjx + span.dgdy * adjy) * (1.0F / FIXED_SCALE); - bLeft = vLower->color[BCOMP] + (span.dbdx * adjx + span.dbdy * adjy) * (1.0F / FIXED_SCALE); - fdrOuter = span.drdy + dxOuter * span.drdx; - fdgOuter = span.dgdy + dxOuter * span.dgdx; - fdbOuter = span.dbdy + dxOuter * span.dbdx; + rLeft = vLower->color[RCOMP] + (span.attrStepX[FRAG_ATTRIB_COL0][0] * adjx + span.attrStepY[FRAG_ATTRIB_COL0][0] * adjy) * (1.0F / FIXED_SCALE); + gLeft = vLower->color[GCOMP] + (span.attrStepX[FRAG_ATTRIB_COL0][1] * adjx + span.attrStepY[FRAG_ATTRIB_COL0][1] * adjy) * (1.0F / FIXED_SCALE); + bLeft = vLower->color[BCOMP] + (span.attrStepX[FRAG_ATTRIB_COL0][2] * adjx + span.attrStepY[FRAG_ATTRIB_COL0][2] * adjy) * (1.0F / FIXED_SCALE); + fdrOuter = span.attrStepY[FRAG_ATTRIB_COL0][0] + dxOuter * span.attrStepX[FRAG_ATTRIB_COL0][0]; + fdgOuter = span.attrStepY[FRAG_ATTRIB_COL0][1] + dxOuter * span.attrStepX[FRAG_ATTRIB_COL0][1]; + fdbOuter = span.attrStepY[FRAG_ATTRIB_COL0][2] + dxOuter * span.attrStepX[FRAG_ATTRIB_COL0][2]; # else - rLeft = (GLint)(ChanToFixed(vLower->color[RCOMP]) + span.drdx * adjx + span.drdy * adjy) + FIXED_HALF; - gLeft = (GLint)(ChanToFixed(vLower->color[GCOMP]) + span.dgdx * adjx + span.dgdy * adjy) + FIXED_HALF; - bLeft = (GLint)(ChanToFixed(vLower->color[BCOMP]) + span.dbdx * adjx + span.dbdy * adjy) + FIXED_HALF; - fdrOuter = SignedFloatToFixed(span.drdy + dxOuter * span.drdx); - fdgOuter = SignedFloatToFixed(span.dgdy + dxOuter * span.dgdx); - fdbOuter = SignedFloatToFixed(span.dbdy + dxOuter * span.dbdx); + rLeft = (GLint)(ChanToFixed(vLower->color[RCOMP]) + span.attrStepX[FRAG_ATTRIB_COL0][0] * adjx + span.attrStepY[FRAG_ATTRIB_COL0][0] * adjy) + FIXED_HALF; + gLeft = (GLint)(ChanToFixed(vLower->color[GCOMP]) + span.attrStepX[FRAG_ATTRIB_COL0][1] * adjx + span.attrStepY[FRAG_ATTRIB_COL0][1] * adjy) + FIXED_HALF; + bLeft = (GLint)(ChanToFixed(vLower->color[BCOMP]) + span.attrStepX[FRAG_ATTRIB_COL0][2] * adjx + span.attrStepY[FRAG_ATTRIB_COL0][2] * adjy) + FIXED_HALF; + fdrOuter = SignedFloatToFixed(span.attrStepY[FRAG_ATTRIB_COL0][0] + dxOuter * span.attrStepX[FRAG_ATTRIB_COL0][0]); + fdgOuter = SignedFloatToFixed(span.attrStepY[FRAG_ATTRIB_COL0][1] + dxOuter * span.attrStepX[FRAG_ATTRIB_COL0][1]); + fdbOuter = SignedFloatToFixed(span.attrStepY[FRAG_ATTRIB_COL0][2] + dxOuter * span.attrStepX[FRAG_ATTRIB_COL0][2]); # endif # ifdef INTERP_ALPHA # if CHAN_TYPE == GL_FLOAT - aLeft = vLower->color[ACOMP] + (span.dadx * adjx + span.dady * adjy) * (1.0F / FIXED_SCALE); - fdaOuter = span.dady + dxOuter * span.dadx; + aLeft = vLower->color[ACOMP] + (span.attrStepX[FRAG_ATTRIB_COL0][3] * adjx + span.attrStepX[FRAG_ATTRIB_COL0][3] * adjy) * (1.0F / FIXED_SCALE); + fdaOuter = span.attrStepX[FRAG_ATTRIB_COL0][3] + dxOuter * span.attrStepX[FRAG_ATTRIB_COL0][3]; # else - aLeft = (GLint)(ChanToFixed(vLower->color[ACOMP]) + span.dadx * adjx + span.dady * adjy) + FIXED_HALF; - fdaOuter = SignedFloatToFixed(span.dady + dxOuter * span.dadx); + aLeft = (GLint)(ChanToFixed(vLower->color[ACOMP]) + span.attrStepX[FRAG_ATTRIB_COL0][3] * adjx + span.attrStepX[FRAG_ATTRIB_COL0][3] * adjy) + FIXED_HALF; + fdaOuter = SignedFloatToFixed(span.attrStepX[FRAG_ATTRIB_COL0][3] + dxOuter * span.attrStepX[FRAG_ATTRIB_COL0][3]); # endif # endif } @@ -983,19 +942,19 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, #ifdef INTERP_SPEC if (ctx->Light.ShadeModel == GL_SMOOTH) { # if CHAN_TYPE == GL_FLOAT - srLeft = vLower->specular[RCOMP] + (span.dsrdx * adjx + span.dsrdy * adjy) * (1.0F / FIXED_SCALE); - sgLeft = vLower->specular[GCOMP] + (span.dsgdx * adjx + span.dsgdy * adjy) * (1.0F / FIXED_SCALE); - sbLeft = vLower->specular[BCOMP] + (span.dsbdx * adjx + span.dsbdy * adjy) * (1.0F / FIXED_SCALE); - dsrOuter = span.dsrdy + dxOuter * span.dsrdx; - dsgOuter = span.dsgdy + dxOuter * span.dsgdx; - dsbOuter = span.dsbdy + dxOuter * span.dsbdx; + srLeft = vLower->specular[RCOMP] + (span.attrStepX[FRAG_ATTRIB_COL1][0] * adjx + span.attrStepY[FRAG_ATTRIB_COL1][0] * adjy) * (1.0F / FIXED_SCALE); + sgLeft = vLower->specular[GCOMP] + (span.attrStepX[FRAG_ATTRIB_COL1][1] * adjx + span.attrStepY[FRAG_ATTRIB_COL1][1] * adjy) * (1.0F / FIXED_SCALE); + sbLeft = vLower->specular[BCOMP] + (span.attrStepX[FRAG_ATTRIB_COL1][2] * adjx + span.attrStepY[FRAG_ATTRIB_COL1][2] * adjy) * (1.0F / FIXED_SCALE); + dsrOuter = span.attrStepY[FRAG_ATTRIB_COL1][0] + dxOuter * span.attrStepX[FRAG_ATTRIB_COL1][0]; + dsgOuter = span.attrStepY[FRAG_ATTRIB_COL1][1] + dxOuter * span.attrStepX[FRAG_ATTRIB_COL1][1]; + dsbOuter = span.attrStepY[FRAG_ATTRIB_COL1][2] + dxOuter * span.attrStepX[FRAG_ATTRIB_COL1][2]; # else - srLeft = (GLfixed) (ChanToFixed(vLower->specular[RCOMP]) + span.dsrdx * adjx + span.dsrdy * adjy) + FIXED_HALF; - sgLeft = (GLfixed) (ChanToFixed(vLower->specular[GCOMP]) + span.dsgdx * adjx + span.dsgdy * adjy) + FIXED_HALF; - sbLeft = (GLfixed) (ChanToFixed(vLower->specular[BCOMP]) + span.dsbdx * adjx + span.dsbdy * adjy) + FIXED_HALF; - dsrOuter = SignedFloatToFixed(span.dsrdy + dxOuter * span.dsrdx); - dsgOuter = SignedFloatToFixed(span.dsgdy + dxOuter * span.dsgdx); - dsbOuter = SignedFloatToFixed(span.dsbdy + dxOuter * span.dsbdx); + srLeft = (GLfixed) (ChanToFixed(vLower->specular[RCOMP]) + span.attrStepX[FRAG_ATTRIB_COL1][0] * adjx + span.attrStepY[FRAG_ATTRIB_COL1][0] * adjy) + FIXED_HALF; + sgLeft = (GLfixed) (ChanToFixed(vLower->specular[GCOMP]) + span.attrStepX[FRAG_ATTRIB_COL1][1] * adjx + span.attrStepY[FRAG_ATTRIB_COL1][1] * adjy) + FIXED_HALF; + sbLeft = (GLfixed) (ChanToFixed(vLower->specular[BCOMP]) + span.attrStepX[FRAG_ATTRIB_COL1][2] * adjx + span.attrStepY[FRAG_ATTRIB_COL1][2] * adjy) + FIXED_HALF; + dsrOuter = SignedFloatToFixed(span.attrStepY[FRAG_ATTRIB_COL1][0] + dxOuter * span.attrStepX[FRAG_ATTRIB_COL1][0]); + dsgOuter = SignedFloatToFixed(span.attrStepY[FRAG_ATTRIB_COL1][1] + dxOuter * span.attrStepX[FRAG_ATTRIB_COL1][1]); + dsbOuter = SignedFloatToFixed(span.attrStepY[FRAG_ATTRIB_COL1][2] + dxOuter * span.attrStepX[FRAG_ATTRIB_COL1][2]); # endif } else { @@ -1029,41 +988,32 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, #ifdef INTERP_INT_TEX { GLfloat s0, t0; - s0 = vLower->texcoord[0][0] * S_SCALE; - sLeft = (GLfixed)(s0 * FIXED_SCALE + span.texStepX[0][0] * adjx - + span.texStepY[0][0] * adjy) + FIXED_HALF; - dsOuter = SignedFloatToFixed(span.texStepY[0][0] + dxOuter * span.texStepX[0][0]); - - t0 = vLower->texcoord[0][1] * T_SCALE; - tLeft = (GLfixed)(t0 * FIXED_SCALE + span.texStepX[0][1] * adjx - + span.texStepY[0][1] * adjy) + FIXED_HALF; - dtOuter = SignedFloatToFixed(span.texStepY[0][1] + dxOuter * span.texStepX[0][1]); + s0 = vLower->attrib[FRAG_ATTRIB_TEX0][0] * S_SCALE; + sLeft = (GLfixed)(s0 * FIXED_SCALE + span.attrStepX[FRAG_ATTRIB_TEX0][0] * adjx + + span.attrStepY[FRAG_ATTRIB_TEX0][0] * adjy) + FIXED_HALF; + dsOuter = SignedFloatToFixed(span.attrStepY[FRAG_ATTRIB_TEX0][0] + dxOuter * span.attrStepX[FRAG_ATTRIB_TEX0][0]); + + t0 = vLower->attrib[FRAG_ATTRIB_TEX0][1] * T_SCALE; + tLeft = (GLfixed)(t0 * FIXED_SCALE + span.attrStepX[FRAG_ATTRIB_TEX0][1] * adjx + + span.attrStepY[FRAG_ATTRIB_TEX0][1] * adjy) + FIXED_HALF; + dtOuter = SignedFloatToFixed(span.attrStepY[FRAG_ATTRIB_TEX0][1] + dxOuter * span.attrStepX[FRAG_ATTRIB_TEX0][1]); } #endif #ifdef INTERP_TEX - TEX_UNIT_LOOP( + TEXVAR_LOOP( const GLfloat invW = vLower->win[3]; - const GLfloat s0 = vLower->texcoord[u][0] * invW; - const GLfloat t0 = vLower->texcoord[u][1] * invW; - const GLfloat u0 = vLower->texcoord[u][2] * invW; - const GLfloat v0 = vLower->texcoord[u][3] * invW; - sLeft[u] = s0 + (span.texStepX[u][0] * adjx + span.texStepY[u][0] * adjy) * (1.0F/FIXED_SCALE); - tLeft[u] = t0 + (span.texStepX[u][1] * adjx + span.texStepY[u][1] * adjy) * (1.0F/FIXED_SCALE); - uLeft[u] = u0 + (span.texStepX[u][2] * adjx + span.texStepY[u][2] * adjy) * (1.0F/FIXED_SCALE); - vLeft[u] = v0 + (span.texStepX[u][3] * adjx + span.texStepY[u][3] * adjy) * (1.0F/FIXED_SCALE); - dsOuter[u] = span.texStepY[u][0] + dxOuter * span.texStepX[u][0]; - dtOuter[u] = span.texStepY[u][1] + dxOuter * span.texStepX[u][1]; - duOuter[u] = span.texStepY[u][2] + dxOuter * span.texStepX[u][2]; - dvOuter[u] = span.texStepY[u][3] + dxOuter * span.texStepX[u][3]; - ) -#endif -#ifdef INTERP_VARYING - VARYING_LOOP( - const GLfloat invW = vLower->win[3]; - const GLfloat var0 = vLower->attribute[iv][ic] * invW; - varLeft[iv][ic] = var0 + (span.varStepX[iv][ic] * adjx + - span.varStepY[iv][ic] * adjy) * (1.0f / FIXED_SCALE); - dvarOuter[iv][ic] = span.varStepY[iv][ic] + dxOuter * span.varStepX[iv][ic]; + const GLfloat s0 = vLower->attrib[attr][0] * invW; + const GLfloat t0 = vLower->attrib[attr][1] * invW; + const GLfloat u0 = vLower->attrib[attr][2] * invW; + const GLfloat v0 = vLower->attrib[attr][3] * invW; + sLeft[attr] = s0 + (span.attrStepX[attr][0] * adjx + span.attrStepY[attr][0] * adjy) * (1.0F/FIXED_SCALE); + tLeft[attr] = t0 + (span.attrStepX[attr][1] * adjx + span.attrStepY[attr][1] * adjy) * (1.0F/FIXED_SCALE); + uLeft[attr] = u0 + (span.attrStepX[attr][2] * adjx + span.attrStepY[attr][2] * adjy) * (1.0F/FIXED_SCALE); + vLeft[attr] = v0 + (span.attrStepX[attr][3] * adjx + span.attrStepY[attr][3] * adjy) * (1.0F/FIXED_SCALE); + dsOuter[attr] = span.attrStepY[attr][0] + dxOuter * span.attrStepX[attr][0]; + dtOuter[attr] = span.attrStepY[attr][1] + dxOuter * span.attrStepX[attr][1]; + duOuter[attr] = span.attrStepY[attr][2] + dxOuter * span.attrStepX[attr][2]; + dvOuter[attr] = span.attrStepY[attr][3] + dxOuter * span.attrStepX[attr][3]; ) #endif } /*if setupLeft*/ @@ -1095,10 +1045,10 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, fdzInner = fdzOuter + span.zStep; #endif #ifdef INTERP_W - dwInner = dwOuter + span.dwdx; + dwInner = dwOuter + span.attrStepX[FRAG_ATTRIB_WPOS][3]; #endif #ifdef INTERP_FOG - dfogInner = dfogOuter + span.dfogdx; + dfogInner = dfogOuter + span.attrStepX[FRAG_ATTRIB_FOGC][0]; #endif #ifdef INTERP_RGB fdrInner = fdrOuter + span.redStep; @@ -1121,16 +1071,11 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, dtInner = dtOuter + span.intTexStep[1]; #endif #ifdef INTERP_TEX - TEX_UNIT_LOOP( - dsInner[u] = dsOuter[u] + span.texStepX[u][0]; - dtInner[u] = dtOuter[u] + span.texStepX[u][1]; - duInner[u] = duOuter[u] + span.texStepX[u][2]; - dvInner[u] = dvOuter[u] + span.texStepX[u][3]; - ) -#endif -#ifdef INTERP_VARYING - VARYING_LOOP( - dvarInner[iv][ic] = dvarOuter[iv][ic] + span.varStepX[iv][ic]; + TEXVAR_LOOP( + dsInner[attr] = dsOuter[attr] + span.attrStepX[attr][0]; + dtInner[attr] = dtOuter[attr] + span.attrStepX[attr][1]; + duInner[attr] = duOuter[attr] + span.attrStepX[attr][2]; + dvInner[attr] = dvOuter[attr] + span.attrStepX[attr][3]; ) #endif @@ -1148,10 +1093,10 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, span.z = zLeft; #endif #ifdef INTERP_W - span.w = wLeft; + span.attrStart[FRAG_ATTRIB_WPOS][3] = wLeft; #endif #ifdef INTERP_FOG - span.fog = fogLeft; + span.attrStart[FRAG_ATTRIB_FOGC][0] = fogLeft; #endif #ifdef INTERP_RGB span.red = rLeft; @@ -1175,16 +1120,11 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, #endif #ifdef INTERP_TEX - TEX_UNIT_LOOP( - span.tex[u][0] = sLeft[u]; - span.tex[u][1] = tLeft[u]; - span.tex[u][2] = uLeft[u]; - span.tex[u][3] = vLeft[u]; - ) -#endif -#ifdef INTERP_VARYING - VARYING_LOOP( - span.var[iv][ic] = varLeft[iv][ic]; + TEXVAR_LOOP( + span.attrStart[attr][0] = sLeft[attr]; + span.attrStart[attr][1] = tLeft[attr]; + span.attrStart[attr][2] = uLeft[attr]; + span.attrStart[attr][3] = vLeft[attr]; ) #endif @@ -1268,16 +1208,11 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, tLeft += dtOuter; #endif #ifdef INTERP_TEX - TEX_UNIT_LOOP( - sLeft[u] += dsOuter[u]; - tLeft[u] += dtOuter[u]; - uLeft[u] += duOuter[u]; - vLeft[u] += dvOuter[u]; - ) -#endif -#ifdef INTERP_VARYING - VARYING_LOOP( - varLeft[iv][ic] += dvarOuter[iv][ic]; + TEXVAR_LOOP( + sLeft[attr] += dsOuter[attr]; + tLeft[attr] += dtOuter[attr]; + uLeft[attr] += duOuter[attr]; + vLeft[attr] += dvOuter[attr]; ) #endif } @@ -1318,16 +1253,11 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, tLeft += dtInner; #endif #ifdef INTERP_TEX - TEX_UNIT_LOOP( - sLeft[u] += dsInner[u]; - tLeft[u] += dtInner[u]; - uLeft[u] += duInner[u]; - vLeft[u] += dvInner[u]; - ) -#endif -#ifdef INTERP_VARYING - VARYING_LOOP( - varLeft[iv][ic] += dvarInner[iv][ic]; + TEXVAR_LOOP( + sLeft[attr] += dsInner[attr]; + tLeft[attr] += dtInner[attr]; + uLeft[attr] += duInner[attr]; + vLeft[attr] += dvInner[attr]; ) #endif } @@ -1360,8 +1290,6 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, #undef INTERP_INDEX #undef INTERP_INT_TEX #undef INTERP_TEX -#undef INTERP_MULTITEX -#undef INTERP_VARYING #undef TEX_UNIT_LOOP #undef VARYING_LOOP diff --git a/src/mesa/swrast/s_zoom.c b/src/mesa/swrast/s_zoom.c index 036a6084dc..9bec0bb1a1 100644 --- a/src/mesa/swrast/s_zoom.c +++ b/src/mesa/swrast/s_zoom.c @@ -159,8 +159,9 @@ zoom_span( GLcontext *ctx, GLint imgX, GLint imgY, const SWspan *span, /* copy fog interp info */ - zoomed.fog = span->fog; - zoomed.fogStep = span->fogStep; + zoomed.attrStart[FRAG_ATTRIB_FOGC][0] = span->attrStart[FRAG_ATTRIB_FOGC][0]; + zoomed.attrStepX[FRAG_ATTRIB_FOGC][0] = span->attrStepX[FRAG_ATTRIB_FOGC][0]; + zoomed.attrStepY[FRAG_ATTRIB_FOGC][0] = span->attrStepY[FRAG_ATTRIB_FOGC][0]; /* XXX copy texcoord info? */ if (format == GL_RGBA || format == GL_RGB) { @@ -229,8 +230,8 @@ zoom_span( GLcontext *ctx, GLint imgX, GLint imgY, const SWspan *span, for (i = 0; i < zoomedWidth; i++) { GLint j = unzoom_x(ctx->Pixel.ZoomX, imgX, x0 + i) - span->x; ASSERT(j >= 0); - ASSERT(j < (GLint) span->end); - COPY_4V(zoomed.array->color.sz4.rgba[i], rgba[j]); + ASSERT(j < span->end); + COPY_4V(zoomed.array->attribs[FRAG_ATTRIB_COL0][i], rgba[j]); } } } @@ -267,11 +268,11 @@ zoom_span( GLcontext *ctx, GLint imgX, GLint imgY, const SWspan *span, for (i = 0; i < zoomedWidth; i++) { GLint j = unzoom_x(ctx->Pixel.ZoomX, imgX, x0 + i) - span->x; ASSERT(j >= 0); - ASSERT(j < (GLint) span->end); - zoomed.array->color.sz4.rgba[i][0] = rgb[j][0]; - zoomed.array->color.sz4.rgba[i][1] = rgb[j][1]; - zoomed.array->color.sz4.rgba[i][2] = rgb[j][2]; - zoomed.array->color.sz4.rgba[i][3] = 1.0F; + ASSERT(j < span->end); + zoomed.array->attribs[FRAG_ATTRIB_COL0][i][0] = rgb[j][0]; + zoomed.array->attribs[FRAG_ATTRIB_COL0][i][1] = rgb[j][1]; + zoomed.array->attribs[FRAG_ATTRIB_COL0][i][2] = rgb[j][2]; + zoomed.array->attribs[FRAG_ATTRIB_COL0][i][3] = 1.0F; } } } diff --git a/src/mesa/swrast/swrast.h b/src/mesa/swrast/swrast.h index 09686c8380..9e1fe24bb4 100644 --- a/src/mesa/swrast/swrast.h +++ b/src/mesa/swrast/swrast.h @@ -67,13 +67,12 @@ typedef struct { * that clip{XYZ} were multiplied by to get ndc{XYZ}. */ GLfloat win[4]; - GLfloat texcoord[MAX_TEXTURE_COORD_UNITS][4]; GLchan color[4]; GLchan specular[4]; GLfloat fog; GLfloat index; GLfloat pointSize; - GLfloat attribute[MAX_VERTEX_ATTRIBS][4]; + GLfloat attrib[FRAG_ATTRIB_MAX][4]; /**< texcoords & varying, more to come */ } SWvertex; |