diff options
author | Stephane Marchesin <marchesin@icps.u-strasbg.fr> | 2006-03-06 15:32:31 +0000 |
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committer | Stephane Marchesin <marchesin@icps.u-strasbg.fr> | 2006-03-06 15:32:31 +0000 |
commit | 5569c2dfaee4a93a835a14178a7baca865614c5c (patch) | |
tree | 26f2a0b8d8d563511ec22753d07614eb50a812b5 /src/mesa/drivers/dri/nouveau/nv20_swtcl.c | |
parent | 98e1b13802fb83b504353c14df1d90646eabe111 (diff) |
Cleaned up the software TCL code a bit. Renamed nv30_tris.[c,h] to
nv20_swtcl.[c,h].
Diffstat (limited to 'src/mesa/drivers/dri/nouveau/nv20_swtcl.c')
-rw-r--r-- | src/mesa/drivers/dri/nouveau/nv20_swtcl.c | 813 |
1 files changed, 813 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nv20_swtcl.c b/src/mesa/drivers/dri/nouveau/nv20_swtcl.c new file mode 100644 index 0000000000..9f1327ba83 --- /dev/null +++ b/src/mesa/drivers/dri/nouveau/nv20_swtcl.c @@ -0,0 +1,813 @@ +/* + * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved. + * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved. + * Copyright 2006 Stephane Marchesin. 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, sub license, + * 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 (including the + * next paragraph) 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 NON-INFRINGEMENT. IN NO EVENT SHALL + * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS 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. + */ + +/* Software TCL for NV20, NV30, NV40, G70 */ + +#include <stdio.h> +#include <math.h> + +#include "glheader.h" +#include "context.h" +#include "mtypes.h" +#include "macros.h" +#include "colormac.h" +#include "enums.h" + +#include "swrast/swrast.h" +#include "swrast_setup/swrast_setup.h" +#include "tnl/t_context.h" +#include "tnl/t_pipeline.h" + +#include "nouveau_tris.h" +#include "nv20_swtcl.h" +#include "nouveau_context.h" +#include "nouveau_span.h" +#include "nouveau_ioctl.h" +#include "nouveau_reg.h" +#include "nouveau_tex.h" +#include "nouveau_fifo.h" + +/* XXX hack for now */ +#define channel 1 + +static void nv20RenderPrimitive( GLcontext *ctx, GLenum prim ); +static void nv20RasterPrimitive( GLcontext *ctx, GLenum rprim, GLuint hwprim ); + + +/*********************************************************************** + * Emit primitives as inline vertices * + ***********************************************************************/ +#define LINE_FALLBACK (0) +#define POINT_FALLBACK (0) +#define TRI_FALLBACK (0) +#define ANY_FALLBACK_FLAGS (POINT_FALLBACK|LINE_FALLBACK|TRI_FALLBACK) +#define ANY_RASTER_FLAGS (DD_TRI_LIGHT_TWOSIDE|DD_TRI_OFFSET|DD_TRI_UNFILLED) + + +/* the free room we want before we start a vertex batch. this is a performance-tunable */ +#define NV20_MIN_PRIM_SIZE (32/4) +/* the size above which we fire the ring. this is a performance-tunable */ +#define NV20_FIRE_SIZE (2048/4) + +static inline void nv20StartPrimitive(struct nouveau_context* nmesa) +{ + if (nmesa->screen->card_type==NV20) + BEGIN_RING_SIZE(channel,NV20_PRIMITIVE,1); + else + BEGIN_RING_SIZE(channel,NV30_PRIMITIVE,1); + OUT_RING(nmesa->current_primitive); + BEGIN_RING_PRIM(channel,NV20_BEGIN_VERTICES,NV20_MIN_PRIM_SIZE); +} + +static inline void nv20FinishPrimitive(struct nouveau_context *nmesa) +{ + FINISH_RING_PRIM(); + if (nmesa->screen->card_type==NV20) + BEGIN_RING_SIZE(channel,NV20_PRIMITIVE,1); + else + BEGIN_RING_SIZE(channel,NV30_PRIMITIVE,1); + OUT_RING(0x0); + FIRE_RING(); +} + + +static inline void nv20ExtendPrimitive(struct nouveau_context* nmesa, int size) +{ + /* when the fifo has enough stuff (2048 bytes) or there is not enough room, fire */ + if ((RING_AHEAD()>=NV20_FIRE_SIZE)||(RING_AVAILABLE()<size/4)) + { + nv20FinishPrimitive(nmesa); + nv20StartPrimitive(nmesa); + } + + /* make sure there's enough room. if not, wait */ + if (RING_AVAILABLE()<size/4) + { + WAIT_RING(nmesa,size); + } +} + +static inline void nv20_draw_quad(nouveauContextPtr nmesa, + nouveauVertexPtr v0, + nouveauVertexPtr v1, + nouveauVertexPtr v2, + nouveauVertexPtr v3) +{ + GLuint vertsize = nmesa->vertex_size; + nv20ExtendPrimitive(nmesa, 4 * 4 * vertsize); + + OUT_RINGp(v0,vertsize); + OUT_RINGp(v1,vertsize); + OUT_RINGp(v2,vertsize); + OUT_RINGp(v3,vertsize); +} + +static inline void nv20_draw_triangle(nouveauContextPtr nmesa, + nouveauVertexPtr v0, + nouveauVertexPtr v1, + nouveauVertexPtr v2) +{ + GLuint vertsize = nmesa->vertex_size; + nv20ExtendPrimitive(nmesa, 3 * 4 * vertsize); + + OUT_RINGp(v0,vertsize); + OUT_RINGp(v1,vertsize); + OUT_RINGp(v2,vertsize); +} + +static inline void nv20_draw_line(nouveauContextPtr nmesa, + nouveauVertexPtr v0, + nouveauVertexPtr v1) +{ + GLuint vertsize = nmesa->vertex_size; + nv20ExtendPrimitive(nmesa, 2 * 4 * vertsize); + OUT_RINGp(v0,vertsize); + OUT_RINGp(v1,vertsize); +} + +static inline void nv20_draw_point(nouveauContextPtr nmesa, + nouveauVertexPtr v0) +{ + GLuint vertsize = nmesa->vertex_size; + nv20ExtendPrimitive(nmesa, 1 * 4 * vertsize); + OUT_RINGp(v0,vertsize); +} + + + +/*********************************************************************** + * Macros for nouveau_dd_tritmp.h to draw basic primitives * + ***********************************************************************/ + +#define TRI(a, b, c) \ + do { \ + if (DO_FALLBACK) \ + nmesa->draw_tri(nmesa, a, b, c); \ + else \ + nv20_draw_triangle(nmesa, a, b, c); \ + } while (0) + +#define QUAD(a, b, c, d) \ + do { \ + if (DO_FALLBACK) { \ + nmesa->draw_tri(nmesa, a, b, d); \ + nmesa->draw_tri(nmesa, b, c, d); \ + } \ + else \ + nv20_draw_quad(nmesa, a, b, c, d); \ + } while (0) + +#define LINE(v0, v1) \ + do { \ + if (DO_FALLBACK) \ + nmesa->draw_line(nmesa, v0, v1); \ + else \ + nv20_draw_line(nmesa, v0, v1); \ + } while (0) + +#define POINT(v0) \ + do { \ + if (DO_FALLBACK) \ + nmesa->draw_point(nmesa, v0); \ + else \ + nv20_draw_point(nmesa, v0); \ + } while (0) + + +/*********************************************************************** + * Build render functions from dd templates * + ***********************************************************************/ + +#define NOUVEAU_OFFSET_BIT 0x01 +#define NOUVEAU_TWOSIDE_BIT 0x02 +#define NOUVEAU_UNFILLED_BIT 0x04 +#define NOUVEAU_FALLBACK_BIT 0x08 +#define NOUVEAU_MAX_TRIFUNC 0x10 + + +static struct { + tnl_points_func points; + tnl_line_func line; + tnl_triangle_func triangle; + tnl_quad_func quad; +} rast_tab[NOUVEAU_MAX_TRIFUNC + 1]; + + +#define DO_FALLBACK (IND & NOUVEAU_FALLBACK_BIT) +#define DO_OFFSET (IND & NOUVEAU_OFFSET_BIT) +#define DO_UNFILLED (IND & NOUVEAU_UNFILLED_BIT) +#define DO_TWOSIDE (IND & NOUVEAU_TWOSIDE_BIT) +#define DO_FLAT 0 +#define DO_TRI 1 +#define DO_QUAD 1 +#define DO_LINE 1 +#define DO_POINTS 1 +#define DO_FULL_QUAD 1 + +#define HAVE_RGBA 1 +#define HAVE_SPEC 1 +#define HAVE_BACK_COLORS 0 +#define HAVE_HW_FLATSHADE 1 +#define VERTEX nouveauVertex +#define TAB rast_tab + + +#define DEPTH_SCALE 1.0 +#define UNFILLED_TRI unfilled_tri +#define UNFILLED_QUAD unfilled_quad +#define VERT_X(_v) _v->v.x +#define VERT_Y(_v) _v->v.y +#define VERT_Z(_v) _v->v.z +#define AREA_IS_CCW(a) (a > 0) +#define GET_VERTEX(e) (nmesa->verts + (e * nmesa->vertex_size * sizeof(int))) + +#define VERT_SET_RGBA( v, c ) \ + do { \ + nouveau_color_t *color = (nouveau_color_t *)&((v)->f[coloroffset]); \ + color->red=(c)[0]; \ + color->green=(c)[1]; \ + color->blue=(c)[2]; \ + color->alpha=(c)[3]; \ + } while (0) + +#define VERT_COPY_RGBA( v0, v1 ) \ + do { \ + if (coloroffset) { \ + v0->f[coloroffset][0] = v1->f[coloroffset][0]; \ + v0->f[coloroffset][1] = v1->f[coloroffset][1]; \ + v0->f[coloroffset][2] = v1->f[coloroffset][2]; \ + v0->f[coloroffset][3] = v1->f[coloroffset][3]; \ + } \ + } while (0) + +#define VERT_SET_SPEC( v, c ) \ + do { \ + if (specoffset) { \ + nouveau_color_t *color = (nouveau_color_t *)&((v)->f[specoffset]); \ + UNCLAMPED_FLOAT_TO_UBYTE(color->red, (c)[0]); \ + UNCLAMPED_FLOAT_TO_UBYTE(color->green, (c)[1]); \ + UNCLAMPED_FLOAT_TO_UBYTE(color->blue, (c)[2]); \ + } \ + } while (0) +#define VERT_COPY_SPEC( v0, v1 ) \ + do { \ + if (specoffset) { \ + v0->f[specoffset][0] = v1->f[specoffset][0]; \ + v0->f[specoffset][1] = v1->f[specoffset][1]; \ + v0->f[specoffset][2] = v1->f[specoffset][2]; \ + } \ + } while (0) + + +#define VERT_SAVE_RGBA( idx ) color[idx] = v[idx]->f[coloroffset] +#define VERT_RESTORE_RGBA( idx ) v[idx]->f[coloroffset] = color[idx] +#define VERT_SAVE_SPEC( idx ) if (specoffset) spec[idx] = v[idx]->f[specoffset] +#define VERT_RESTORE_SPEC( idx ) if (specoffset) v[idx]->f[specoffset] = spec[idx] + + +#define LOCAL_VARS(n) \ + struct nouveau_context *nmesa = NOUVEAU_CONTEXT(ctx); \ +GLuint color[n], spec[n]; \ +GLuint coloroffset = nmesa->color_offset; \ +GLuint specoffset = nmesa->specular_offset; \ +(void)color; (void)spec; (void)coloroffset; (void)specoffset; + + +/*********************************************************************** + * Helpers for rendering unfilled primitives * + ***********************************************************************/ + +static const GLuint hw_prim[GL_POLYGON+1] = { + GL_POINTS+1, + GL_LINES+1, + GL_LINES+1, + GL_LINES+1, + GL_TRIANGLES+1, + GL_TRIANGLES+1, + GL_TRIANGLES+1, + GL_QUADS+1, + GL_QUADS+1, + GL_TRIANGLES+1 +}; + +#define RASTERIZE(x) nv20RasterPrimitive( ctx, x, hw_prim[x] ) +#define RENDER_PRIMITIVE nmesa->renderPrimitive +#define TAG(x) x +#define IND NOUVEAU_FALLBACK_BIT +#include "tnl_dd/t_dd_unfilled.h" +#undef IND +#undef RASTERIZE + +/*********************************************************************** + * Generate GL render functions * + ***********************************************************************/ +#define RASTERIZE(x) + +#define IND (0) +#define TAG(x) x +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (NOUVEAU_OFFSET_BIT) +#define TAG(x) x##_offset +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (NOUVEAU_TWOSIDE_BIT) +#define TAG(x) x##_twoside +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (NOUVEAU_TWOSIDE_BIT|NOUVEAU_OFFSET_BIT) +#define TAG(x) x##_twoside_offset +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (NOUVEAU_UNFILLED_BIT) +#define TAG(x) x##_unfilled +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (NOUVEAU_OFFSET_BIT|NOUVEAU_UNFILLED_BIT) +#define TAG(x) x##_offset_unfilled +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (NOUVEAU_TWOSIDE_BIT|NOUVEAU_UNFILLED_BIT) +#define TAG(x) x##_twoside_unfilled +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (NOUVEAU_TWOSIDE_BIT|NOUVEAU_OFFSET_BIT|NOUVEAU_UNFILLED_BIT) +#define TAG(x) x##_twoside_offset_unfilled +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (NOUVEAU_FALLBACK_BIT) +#define TAG(x) x##_fallback +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (NOUVEAU_OFFSET_BIT|NOUVEAU_FALLBACK_BIT) +#define TAG(x) x##_offset_fallback +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (NOUVEAU_TWOSIDE_BIT|NOUVEAU_FALLBACK_BIT) +#define TAG(x) x##_twoside_fallback +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (NOUVEAU_TWOSIDE_BIT|NOUVEAU_OFFSET_BIT|NOUVEAU_FALLBACK_BIT) +#define TAG(x) x##_twoside_offset_fallback +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (NOUVEAU_UNFILLED_BIT|NOUVEAU_FALLBACK_BIT) +#define TAG(x) x##_unfilled_fallback +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (NOUVEAU_OFFSET_BIT|NOUVEAU_UNFILLED_BIT|NOUVEAU_FALLBACK_BIT) +#define TAG(x) x##_offset_unfilled_fallback +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (NOUVEAU_TWOSIDE_BIT|NOUVEAU_UNFILLED_BIT|NOUVEAU_FALLBACK_BIT) +#define TAG(x) x##_twoside_unfilled_fallback +#include "tnl_dd/t_dd_tritmp.h" + +#define IND (NOUVEAU_TWOSIDE_BIT|NOUVEAU_OFFSET_BIT|NOUVEAU_UNFILLED_BIT| \ + NOUVEAU_FALLBACK_BIT) +#define TAG(x) x##_twoside_offset_unfilled_fallback +#include "tnl_dd/t_dd_tritmp.h" + + +/* Catchall case for flat, separate specular triangles */ +#undef DO_FALLBACK +#undef DO_OFFSET +#undef DO_UNFILLED +#undef DO_TWOSIDE +#undef DO_FLAT +#define DO_FALLBACK (0) +#define DO_OFFSET (ctx->_TriangleCaps & DD_TRI_OFFSET) +#define DO_UNFILLED (ctx->_TriangleCaps & DD_TRI_UNFILLED) +#define DO_TWOSIDE (ctx->_TriangleCaps & DD_TRI_LIGHT_TWOSIDE) +#define DO_FLAT 1 +#define TAG(x) x##_flat_specular +#define IND NOUVEAU_MAX_TRIFUNC +#include "tnl_dd/t_dd_tritmp.h" + + +static void init_rast_tab(void) +{ + init(); + init_offset(); + init_twoside(); + init_twoside_offset(); + init_unfilled(); + init_offset_unfilled(); + init_twoside_unfilled(); + init_twoside_offset_unfilled(); + init_fallback(); + init_offset_fallback(); + init_twoside_fallback(); + init_twoside_offset_fallback(); + init_unfilled_fallback(); + init_offset_unfilled_fallback(); + init_twoside_unfilled_fallback(); + init_twoside_offset_unfilled_fallback(); + + init_flat_specular(); /* special! */ +} + + +/**********************************************************************/ +/* Render unclipped begin/end objects */ +/**********************************************************************/ +#define IND 0 +#define V(x) (nouveauVertex *)(vertptr + ((x) * vertsize * sizeof(int))) +#define RENDER_POINTS(start, count) \ + for (; start < count; start++) POINT(V(ELT(start))); +#define RENDER_LINE(v0, v1) LINE(V(v0), V(v1)) +#define RENDER_TRI( v0, v1, v2) TRI( V(v0), V(v1), V(v2)) +#define RENDER_QUAD(v0, v1, v2, v3) QUAD(V(v0), V(v1), V(v2), V(v3)) +#define INIT(x) nv20RasterPrimitive(ctx, x, hw_prim[x]) +#undef LOCAL_VARS +#define LOCAL_VARS \ + struct nouveau_context *nmesa = NOUVEAU_CONTEXT(ctx); \ +GLubyte *vertptr = (GLubyte *)nmesa->verts; \ +const GLuint vertsize = nmesa->vertex_size; \ +const GLuint * const elt = TNL_CONTEXT(ctx)->vb.Elts; \ +const GLboolean stipple = ctx->Line.StippleFlag; \ +(void) elt; (void) stipple; +#define RESET_STIPPLE if ( stipple ) nouveauResetLineStipple( ctx ); +#define RESET_OCCLUSION +#define PRESERVE_VB_DEFS +#define ELT(x) x +#define TAG(x) nouveau_##x##_verts +#include "tnl/t_vb_rendertmp.h" +#undef ELT +#undef TAG +#define TAG(x) nouveau_##x##_elts +#define ELT(x) elt[x] +#include "tnl/t_vb_rendertmp.h" +#undef ELT +#undef TAG +#undef NEED_EDGEFLAG_SETUP +#undef EDGEFLAG_GET +#undef EDGEFLAG_SET +#undef RESET_OCCLUSION + + +/**********************************************************************/ +/* Render clipped primitives */ +/**********************************************************************/ + + + +static void nouveauRenderClippedPoly(GLcontext *ctx, const GLuint *elts, + GLuint n) +{ + TNLcontext *tnl = TNL_CONTEXT(ctx); + struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; + GLuint prim = NOUVEAU_CONTEXT(ctx)->renderPrimitive; + + /* Render the new vertices as an unclipped polygon. + */ + { + GLuint *tmp = VB->Elts; + VB->Elts = (GLuint *)elts; + tnl->Driver.Render.PrimTabElts[GL_POLYGON](ctx, 0, n, + PRIM_BEGIN|PRIM_END); + VB->Elts = tmp; + } + + /* Restore the render primitive + */ + if (prim != GL_POLYGON && + prim != GL_POLYGON + 1) + tnl->Driver.Render.PrimitiveNotify( ctx, prim ); +} + +static void nouveauRenderClippedLine(GLcontext *ctx, GLuint ii, GLuint jj) +{ + TNLcontext *tnl = TNL_CONTEXT(ctx); + tnl->Driver.Render.Line(ctx, ii, jj); +} + +static void nouveauFastRenderClippedPoly(GLcontext *ctx, const GLuint *elts, + GLuint n) +{ + struct nouveau_context *nmesa = NOUVEAU_CONTEXT(ctx); + GLuint vertsize = nmesa->vertex_size; + nv20ExtendPrimitive(nmesa, (n - 2) * 3 * 4 * vertsize); + GLubyte *vertptr = (GLubyte *)nmesa->verts; + const GLuint *start = (const GLuint *)V(elts[0]); + int i; + + for (i = 2; i < n; i++) { + OUT_RINGp(V(elts[i-1]),vertsize); + OUT_RINGp(V(elts[i]),vertsize); + OUT_RINGp(start,vertsize); + } +} + +/**********************************************************************/ +/* Choose render functions */ +/**********************************************************************/ + + + + +#define _NOUVEAU_NEW_VERTEX (_NEW_TEXTURE | \ + _DD_NEW_SEPARATE_SPECULAR | \ + _DD_NEW_TRI_UNFILLED | \ + _DD_NEW_TRI_LIGHT_TWOSIDE | \ + _NEW_FOG) + +#define _NOUVEAU_NEW_RENDERSTATE (_DD_NEW_LINE_STIPPLE | \ + _DD_NEW_TRI_UNFILLED | \ + _DD_NEW_TRI_LIGHT_TWOSIDE | \ + _DD_NEW_TRI_OFFSET | \ + _DD_NEW_TRI_STIPPLE | \ + _NEW_POLYGONSTIPPLE) + +#define EMIT_ATTR( ATTR, STYLE ) \ +do { \ + nmesa->vertex_attrs[nmesa->vertex_attr_count].attrib = (ATTR); \ + nmesa->vertex_attrs[nmesa->vertex_attr_count].format = (STYLE); \ + nmesa->vertex_attr_count++; \ +} while (0) + + +static void nv20ChooseRenderState(GLcontext *ctx) +{ + TNLcontext *tnl = TNL_CONTEXT(ctx); + struct nouveau_context *nmesa = NOUVEAU_CONTEXT(ctx); + GLuint flags = ctx->_TriangleCaps; + GLuint index = 0; + + nmesa->draw_point = nv20_draw_point; + nmesa->draw_line = nv20_draw_line; + nmesa->draw_tri = nv20_draw_triangle; + + if (flags & (ANY_FALLBACK_FLAGS|ANY_RASTER_FLAGS)) { + if (flags & DD_TRI_LIGHT_TWOSIDE) index |= NOUVEAU_TWOSIDE_BIT; + if (flags & DD_TRI_OFFSET) index |= NOUVEAU_OFFSET_BIT; + if (flags & DD_TRI_UNFILLED) index |= NOUVEAU_UNFILLED_BIT; + if (flags & ANY_FALLBACK_FLAGS) index |= NOUVEAU_FALLBACK_BIT; + + /* Hook in fallbacks for specific primitives. + */ + if (flags & POINT_FALLBACK) + nmesa->draw_point = nouveau_fallback_point; + + if (flags & LINE_FALLBACK) + nmesa->draw_line = nouveau_fallback_line; + + if (flags & TRI_FALLBACK) + nmesa->draw_tri = nouveau_fallback_tri; + } + + + if ((flags & DD_SEPARATE_SPECULAR) && + ctx->Light.ShadeModel == GL_FLAT) { + index = NOUVEAU_MAX_TRIFUNC; /* flat specular */ + } + + if (nmesa->renderIndex != index) { + nmesa->renderIndex = index; + + tnl->Driver.Render.Points = rast_tab[index].points; + tnl->Driver.Render.Line = rast_tab[index].line; + tnl->Driver.Render.Triangle = rast_tab[index].triangle; + tnl->Driver.Render.Quad = rast_tab[index].quad; + + if (index == 0) { + tnl->Driver.Render.PrimTabVerts = nouveau_render_tab_verts; + tnl->Driver.Render.PrimTabElts = nouveau_render_tab_elts; + tnl->Driver.Render.ClippedLine = line; /* from tritmp.h */ + tnl->Driver.Render.ClippedPolygon = nouveauFastRenderClippedPoly; + } + else { + tnl->Driver.Render.PrimTabVerts = _tnl_render_tab_verts; + tnl->Driver.Render.PrimTabElts = _tnl_render_tab_elts; + tnl->Driver.Render.ClippedLine = nouveauRenderClippedLine; + tnl->Driver.Render.ClippedPolygon = nouveauRenderClippedPoly; + } + } +} + + + +static inline void nv20OutputVertexFormat(struct nouveau_context* nmesa, GLuint index) +{ + GLcontext* ctx=nmesa->glCtx; + TNLcontext *tnl = TNL_CONTEXT(ctx); + struct vertex_buffer *VB = &tnl->vb; + int attr_size[16]; + int default_attr_size[8]={3,3,3,4,3,1,4,4}; + int i; + int slots=0; + int total_size=0; + + /* + * Determine attribute sizes + */ + for(i=0;i<8;i++) + { + if (index&(1<<i)) + attr_size[i]=default_attr_size[i]; + else + attr_size[i]=0; + } + for(i=8;i<16;i++) + { + if (index&(1<<i)) + attr_size[i]=VB->TexCoordPtr[i]; + else + attr_size[i]=0; + } + + /* + * Tell t_vertex about the vertex format + */ + for(i=0;i<16;i++) + { + if (index&(1<<i)) + { + slots=i+1; + if (i==0) + { + /* special-case POS */ + EMIT_ATTR(_TNL_ATTRIB_POS,EMIT_3F_VIEWPORT); + } + else + { + switch(attr_size[i]) + { + case 1: + EMIT_ATTR(i,EMIT_1F); + break; + case 2: + EMIT_ATTR(i,EMIT_2F); + break; + case 3: + EMIT_ATTR(i,EMIT_3F); + break; + case 4: + EMIT_ATTR(i,EMIT_4F); + break; + } + } + if (i==_TNL_ATTRIB_COLOR0) + nmesa->color_offset=total_size; + if (i==_TNL_ATTRIB_COLOR1) + nmesa->specular_offset=total_size; + total_size+=attr_size[i]; + } + } + nmesa->vertex_size=total_size; + + /* + * Tell the hardware about the vertex format + */ + if (nmesa->screen->card_type==NV_20) { + for(i=0;i<16;i++) + { + int size=attr_size[i]; + BEGIN_RING_SIZE(channel,NV20_VERTEX_ATTRIBUTE(i),1); + OUT_RING(0x00000002|(size*0x10)); + } + } else { + BEGIN_RING_SIZE(channel,NV30_VERTEX_ATTRIBUTES,slots); + for(i=0;i<slots;i++) + { + int size=attr_size[i]; + OUT_RING(0x00000002|(size*0x10)); + } + BEGIN_RING_SIZE(channel,NV30_UNKNOWN_0,1); + OUT_RING(0); + BEGIN_RING_SIZE(channel,NV30_UNKNOWN_0,1); + OUT_RING(0); + BEGIN_RING_SIZE(channel,NV30_UNKNOWN_0,1); + OUT_RING(0); + } +} + + +static void nv20ChooseVertexState( GLcontext *ctx ) +{ + struct nouveau_context *nmesa = NOUVEAU_CONTEXT(ctx); + TNLcontext *tnl = TNL_CONTEXT(ctx); + GLuint index = tnl->render_inputs; + + if (index!=nmesa->render_inputs) + { + nmesa->render_inputs=index; + nv20OutputVertexFormat(nmesa,index); + } +} + + +/**********************************************************************/ +/* High level hooks for t_vb_render.c */ +/**********************************************************************/ + + +static void nv20RenderStart(GLcontext *ctx) +{ + struct nouveau_context *nmesa = NOUVEAU_CONTEXT(ctx); + + if (nmesa->newState) { + nmesa->newRenderState |= nmesa->newState; + nouveauValidateState( ctx ); + } + + if (nmesa->Fallback) { + tnl->Driver.Render.Start(ctx); + return; + } + + if (nmesa->newRenderState) { + nv20ChooseVertexState(ctx); + nv20ChooseRenderState(ctx); + nmesa->newRenderState = 0; + } +} + +static void nv20RenderFinish(GLcontext *ctx) +{ + struct nouveau_context *nmesa = NOUVEAU_CONTEXT(ctx); + nv20FinishPrimitive(nmesa); +} + + +/* System to flush dma and emit state changes based on the rasterized + * primitive. + */ +void nv20RasterPrimitive(GLcontext *ctx, + GLenum glprim, + GLuint hwprim) +{ + struct nouveau_context *nmesa = NOUVEAU_CONTEXT(ctx); + + assert (!nmesa->newState); + + if (hwprim != nmesa->current_primitive) + { + nmesa->current_primitive=hwprim; + + } +} + +/* Callback for mesa: + */ +static void nv20RenderPrimitive( GLcontext *ctx, GLuint prim ) +{ + nv20RasterPrimitive( ctx, prim, hw_prim[prim] ); +} + + + +/**********************************************************************/ +/* Initialization. */ +/**********************************************************************/ + + +void nouveauInitTriFuncs(GLcontext *ctx) +{ + struct nouveau_context *nmesa = NOUVEAU_CONTEXT(ctx); + TNLcontext *tnl = TNL_CONTEXT(ctx); + static int firsttime = 1; + + if (firsttime) { + init_rast_tab(); + firsttime = 0; + } + + tnl->Driver.RunPipeline = nouveauRunPipeline; + tnl->Driver.Render.Start = nv20RenderStart; + tnl->Driver.Render.Finish = nv20RenderFinish; + tnl->Driver.Render.PrimitiveNotify = nv20RenderPrimitive; + tnl->Driver.Render.ResetLineStipple = nouveauResetLineStipple; + tnl->Driver.Render.BuildVertices = _tnl_build_vertices; + tnl->Driver.Render.CopyPV = _tnl_copy_pv; + tnl->Driver.Render.Interp = _tnl_interp; + + _tnl_init_vertices( ctx, ctx->Const.MaxArrayLockSize + 12, + (6 + 2*ctx->Const.MaxTextureUnits) * sizeof(GLfloat) ); + + nmesa->verts = (GLubyte *)tnl->clipspace.vertex_buf; + +} + |