From 22a47c5251ee7b91dc8f7f4f7dbeb3ad5a117b70 Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Thu, 14 Nov 2002 03:48:03 +0000 Subject: Overhaul of line drawing template code. Make better use of sw_span mechanism. --- src/mesa/swrast/s_linetemp.h | 560 +++++++++++++++---------------------------- 1 file changed, 195 insertions(+), 365 deletions(-) (limited to 'src/mesa/swrast/s_linetemp.h') diff --git a/src/mesa/swrast/s_linetemp.h b/src/mesa/swrast/s_linetemp.h index 1fb14dcd10..4d21d1c9da 100644 --- a/src/mesa/swrast/s_linetemp.h +++ b/src/mesa/swrast/s_linetemp.h @@ -1,8 +1,8 @@ -/* $Id: s_linetemp.h,v 1.14 2002/11/09 21:26:41 brianp Exp $ */ +/* $Id: s_linetemp.h,v 1.15 2002/11/14 03:48:03 brianp Exp $ */ /* * Mesa 3-D graphics library - * Version: 5.0 + * Version: 5.1 * * Copyright (C) 1999-2002 Brian Paul All Rights Reserved. * @@ -34,9 +34,8 @@ * must be interplated along the line: * INTERP_Z - if defined, interpolate Z values * INTERP_FOG - if defined, interpolate FOG values - * INTERP_RGB - if defined, interpolate RGB values + * INTERP_RGBA - if defined, interpolate RGBA values * INTERP_SPEC - if defined, interpolate specular RGB values - * INTERP_ALPHA - if defined, interpolate Alpha values * INTERP_INDEX - if defined, interpolate color index values * INTERP_TEX - if defined, interpolate unit 0 texcoords * INTERP_MULTITEX - if defined, interpolate multi-texcoords @@ -70,100 +69,35 @@ */ -/*void line( GLcontext *ctx, const SWvertex *vert0, const SWvertex *vert1 )*/ +static void +NAME( GLcontext *ctx, const SWvertex *vert0, const SWvertex *vert1 ) { + struct sw_span span; + GLuint interpFlags = 0; + GLuint arrayFlags = SPAN_XY; GLint x0 = (GLint) vert0->win[0]; GLint x1 = (GLint) vert1->win[0]; GLint y0 = (GLint) vert0->win[1]; GLint y1 = (GLint) vert1->win[1]; GLint dx, dy; -#ifdef INTERP_XY + GLint numPixels; GLint xstep, ystep; -#endif -#ifdef INTERP_Z - GLint z0, z1, dz; +#if defined(DEPTH_TYPE) const GLint depthBits = ctx->Visual.depthBits; const GLint fixedToDepthShift = depthBits <= 16 ? FIXED_SHIFT : 0; -# define FixedToDepth(F) ((F) >> fixedToDepthShift) -# ifdef DEPTH_TYPE +#define FixedToDepth(F) ((F) >> fixedToDepthShift) GLint zPtrXstep, zPtrYstep; DEPTH_TYPE *zPtr; -# endif -#endif -#ifdef INTERP_FOG - GLfloat fog0 = vert0->fog; - GLfloat dfog = vert1->fog - fog0; -#endif -#ifdef INTERP_RGB - GLfixed r0 = ChanToFixed(vert0->color[0]); - GLfixed dr = ChanToFixed(vert1->color[0]) - r0; - GLfixed g0 = ChanToFixed(vert0->color[1]); - GLfixed dg = ChanToFixed(vert1->color[1]) - g0; - GLfixed b0 = ChanToFixed(vert0->color[2]); - GLfixed db = ChanToFixed(vert1->color[2]) - b0; -#endif -#ifdef INTERP_SPEC - GLfixed sr0 = ChanToFixed(vert0->specular[0]); - GLfixed dsr = ChanToFixed(vert1->specular[0]) - sr0; - GLfixed sg0 = ChanToFixed(vert0->specular[1]); - GLfixed dsg = ChanToFixed(vert1->specular[1]) - sg0; - GLfixed sb0 = ChanToFixed(vert0->specular[2]); - GLfixed dsb = ChanToFixed(vert1->specular[2]) - sb0; -#endif -#ifdef INTERP_ALPHA - GLfixed a0 = ChanToFixed(vert0->color[3]); - GLfixed da = ChanToFixed(vert1->color[3]) - a0; -#endif -#ifdef INTERP_INDEX - GLint i0 = vert0->index << 8; - GLint di = (GLint) (vert1->index << 8) - i0; -#endif -#ifdef INTERP_TEX - const GLfloat invw0 = vert0->win[3]; - const GLfloat invw1 = vert1->win[3]; - GLfloat tex[4]; - GLfloat dtex[4]; - GLfloat fragTexcoord[4]; -#endif -#ifdef INTERP_MULTITEX - const GLfloat invw0 = vert0->win[3]; - const GLfloat invw1 = vert1->win[3]; - GLfloat tex[MAX_TEXTURE_UNITS][4]; - GLfloat dtex[MAX_TEXTURE_UNITS][4]; - GLfloat fragTexcoord[MAX_TEXTURE_UNITS][4]; +#elif defined(INTERP_Z) + const GLint depthBits = ctx->Visual.depthBits; #endif #ifdef PIXEL_ADDRESS PIXEL_TYPE *pixelPtr; GLint pixelXstep, pixelYstep; #endif -#ifdef INTERP_TEX - { - tex[0] = invw0 * vert0->texcoord[0][0]; - dtex[0] = invw1 * vert1->texcoord[0][0] - tex[0]; - tex[1] = invw0 * vert0->texcoord[0][1]; - dtex[1] = invw1 * vert1->texcoord[0][1] - tex[1]; - tex[2] = invw0 * vert0->texcoord[0][2]; - dtex[2] = invw1 * vert1->texcoord[0][2] - tex[2]; - tex[3] = invw0 * vert0->texcoord[0][3]; - dtex[3] = invw1 * vert1->texcoord[0][3] - tex[3]; - } -#endif -#ifdef INTERP_MULTITEX - { - GLuint u; - for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { - if (ctx->Texture.Unit[u]._ReallyEnabled) { - tex[u][0] = invw0 * vert0->texcoord[u][0]; - dtex[u][0] = invw1 * vert1->texcoord[u][0] - tex[u][0]; - tex[u][1] = invw0 * vert0->texcoord[u][1]; - dtex[u][1] = invw1 * vert1->texcoord[u][1] - tex[u][1]; - tex[u][2] = invw0 * vert0->texcoord[u][2]; - dtex[u][2] = invw1 * vert1->texcoord[u][2] - tex[u][2]; - tex[u][3] = invw0 * vert0->texcoord[u][3]; - dtex[u][3] = invw1 * vert1->texcoord[u][3] - tex[u][3]; - } - } - } + +#ifdef SETUP_CODE + SETUP_CODE #endif /* Cull primitives with malformed coordinates. @@ -174,6 +108,27 @@ return; } +#ifdef INTERP_RGBA + interpFlags |= SPAN_RGBA; +#endif +#ifdef INTERP_SPEC + interpFlags |= SPAN_SPEC; +#endif +#ifdef INTERP_INDEX + interpFlags |= SPAN_INDEX; +#endif +#ifdef INTERP_Z + interpFlags |= SPAN_Z; +#endif +#ifdef INTERP_FOG + interpFlags |= SPAN_FOG; +#endif +#if defined(INTERP_TEX) || defined(INTERP_MULTITEX) + interpFlags |= SPAN_TEXTURE; +#endif + + INIT_SPAN(span, GL_LINE, 0, interpFlags, arrayFlags); + /* printf("%s():\n", __FUNCTION__); printf(" (%f, %f, %f) -> (%f, %f, %f)\n", @@ -212,31 +167,14 @@ } } #endif + dx = x1 - x0; dy = y1 - y0; - if (dx==0 && dy==0) { + if (dx == 0 && dy == 0) return; - } - /* - * Setup - */ -#ifdef SETUP_CODE - SETUP_CODE -#endif - -#ifdef INTERP_Z -# ifdef DEPTH_TYPE - zPtr = (DEPTH_TYPE *) _mesa_zbuffer_address(ctx, x0, y0); -# endif - if (depthBits <= 16) { - z0 = FloatToFixed(vert0->win[2]) + FIXED_HALF; - z1 = FloatToFixed(vert1->win[2]) + FIXED_HALF; - } - else { - z0 = (int) vert0->win[2]; - z1 = (int) vert1->win[2]; - } +#ifdef DEPTH_TYPE + zPtr = (DEPTH_TYPE *) _mesa_zbuffer_address(ctx, x0, y0); #endif #ifdef PIXEL_ADDRESS pixelPtr = (PIXEL_TYPE *) PIXEL_ADDRESS(x0,y0); @@ -244,10 +182,8 @@ if (dx<0) { dx = -dx; /* make positive */ -#ifdef INTERP_XY xstep = -1; -#endif -#if defined(INTERP_Z) && defined(DEPTH_TYPE) +#ifdef DEPTH_TYPE zPtrXstep = -((GLint)sizeof(DEPTH_TYPE)); #endif #ifdef PIXEL_ADDRESS @@ -255,10 +191,8 @@ #endif } else { -#ifdef INTERP_XY xstep = 1; -#endif -#if defined(INTERP_Z) && defined(DEPTH_TYPE) +#ifdef DEPTH_TYPE zPtrXstep = ((GLint)sizeof(DEPTH_TYPE)); #endif #ifdef PIXEL_ADDRESS @@ -268,10 +202,8 @@ if (dy<0) { dy = -dy; /* make positive */ -#ifdef INTERP_XY ystep = -1; -#endif -#if defined(INTERP_Z) && defined(DEPTH_TYPE) +#ifdef DEPTH_TYPE zPtrYstep = -((GLint) (ctx->DrawBuffer->Width * sizeof(DEPTH_TYPE))); #endif #ifdef PIXEL_ADDRESS @@ -279,10 +211,8 @@ #endif } else { -#ifdef INTERP_XY ystep = 1; -#endif -#if defined(INTERP_Z) && defined(DEPTH_TYPE) +#ifdef DEPTH_TYPE zPtrYstep = (GLint) (ctx->DrawBuffer->Width * sizeof(DEPTH_TYPE)); #endif #ifdef PIXEL_ADDRESS @@ -290,146 +220,157 @@ #endif } - /* - * Draw - */ + ASSERT(dx >= 0); + ASSERT(dy >= 0); - if (dx>dy) { - /*** X-major line ***/ - GLint i; - GLint errorInc = dy+dy; - GLint error = errorInc-dx; - GLint errorDec = error-dx; -#ifdef SET_XMAJOR - xMajor = GL_TRUE; -#endif -#ifdef INTERP_Z - dz = (z1-z0) / dx; -#endif -#ifdef INTERP_FOG - dfog /= dx; -#endif -#ifdef INTERP_RGB - dr /= dx; /* convert from whole line delta to per-pixel delta */ - dg /= dx; - db /= dx; + span.end = numPixels = MAX2(dx, dy); + +#ifdef INTERP_RGBA + if (ctx->Light.ShadeModel == GL_SMOOTH) { + span.red = ChanToFixed(vert0->color[0]); + span.green = ChanToFixed(vert0->color[1]); + span.blue = ChanToFixed(vert0->color[2]); + span.alpha = ChanToFixed(vert0->color[3]); + span.redStep = (ChanToFixed(vert1->color[0]) - span.red ) / numPixels; + span.greenStep = (ChanToFixed(vert1->color[1]) - span.green) / numPixels; + span.blueStep = (ChanToFixed(vert1->color[2]) - span.blue ) / numPixels; + span.alphaStep = (ChanToFixed(vert1->color[3]) - span.alpha) / numPixels; + } + else { + span.red = ChanToFixed(vert1->color[0]); + span.green = ChanToFixed(vert1->color[1]); + span.blue = ChanToFixed(vert1->color[2]); + span.alpha = ChanToFixed(vert1->color[3]); + span.redStep = 0; + span.greenStep = 0; + span.blueStep = 0; + span.alphaStep = 0; + } #endif #ifdef INTERP_SPEC - dsr /= dx; /* convert from whole line delta to per-pixel delta */ - dsg /= dx; - dsb /= dx; -#endif -#ifdef INTERP_ALPHA - da /= dx; + if (ctx->Light.ShadeModel == GL_SMOOTH) { + span.specRed = ChanToFixed(vert0->specular[0]); + span.specGreen = ChanToFixed(vert0->specular[1]); + span.specBlue = ChanToFixed(vert0->specular[2]); + span.specRedStep = (ChanToFixed(vert1->specular[0]) - span.specRed) / numPixels; + span.specGreenStep = (ChanToFixed(vert1->specular[1]) - span.specBlue) / numPixels; + span.specBlueStep = (ChanToFixed(vert1->specular[2]) - span.specGreen) / numPixels; + } + else { + span.specRed = ChanToFixed(vert1->specular[0]); + span.specGreen = ChanToFixed(vert1->specular[1]); + span.specBlue = ChanToFixed(vert1->specular[2]); + span.specRedStep = 0; + span.specGreenStep = 0; + span.specBlueStep = 0; + } #endif #ifdef INTERP_INDEX - di /= dx; + if (ctx->Light.ShadeModel == GL_SMOOTH) { + span.index = IntToFixed(vert0->index); + span.indexStep = IntToFixed(vert1->index - vert0->index) / numPixels; + } + else { + span.index = IntToFixed(vert1->index); + span.indexStep = 0; + } #endif -#ifdef INTERP_TEX - { - const GLfloat invDx = 1.0F / (GLfloat) dx; - dtex[0] *= invDx; - dtex[1] *= invDx; - dtex[2] *= invDx; - dtex[3] *= invDx; +#if defined(INTERP_Z) || defined(DEPTH_TYPE) + { + if (depthBits <= 16) { + span.z = FloatToFixed(vert0->win[2]) + FIXED_HALF; + span.zStep = FloatToFixed(vert1->win[2] - vert0->win[2]) / numPixels; } -#endif -#ifdef INTERP_MULTITEX - { - const GLfloat invDx = 1.0F / (GLfloat) dx; - GLuint u; - for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { - if (ctx->Texture.Unit[u]._ReallyEnabled) { - dtex[u][0] *= invDx; - dtex[u][1] *= invDx; - dtex[u][2] *= invDx; - dtex[u][3] *= invDx; - } - } + else { + span.z = vert0->win[2]; + span.zStep = (vert1->win[2] - vert0->win[2]) / numPixels; } + } #endif - - for (i=0;i> 8; +#ifdef INTERP_FOG + span.fog = vert0->fog; + span.fogStep = (vert1->fog - vert0->fog) / numPixels; #endif #ifdef INTERP_TEX - { - const GLfloat invQ = tex[3] ? (1.0F / tex[3]) : 1.0F; - fragTexcoord[0] = tex[0] * invQ; - fragTexcoord[1] = tex[1] * invQ; - fragTexcoord[2] = tex[2] * invQ; - fragTexcoord[3] = tex[3]; - } + { + const GLfloat invw0 = vert0->win[3]; + 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; + } #endif #ifdef INTERP_MULTITEX - { - GLuint u; - for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { - if (ctx->Texture.Unit[u]._ReallyEnabled) { - const GLfloat invQ = 1.0F / tex[u][3]; - fragTexcoord[u][0] = tex[u][0] * invQ; - fragTexcoord[u][1] = tex[u][1] * invQ; - fragTexcoord[u][2] = tex[u][2] * invQ; - fragTexcoord[u][3] = tex[u][3]; - } - } - } + { + 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]; + 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; + } + } + } #endif - PLOT( x0, y0 ); + /* + * Draw + */ -#ifdef INTERP_XY - x0 += xstep; -#endif -#ifdef INTERP_Z -# ifdef DEPTH_TYPE - zPtr = (DEPTH_TYPE *) ((GLubyte*) zPtr + zPtrXstep); -# endif - z0 += dz; -#endif -#ifdef INTERP_FOG - fog0 += dfog; -#endif -#ifdef INTERP_RGB - r0 += dr; - g0 += dg; - b0 += db; -#endif -#ifdef INTERP_SPEC - sr0 += dsr; - sg0 += dsg; - sb0 += dsb; -#endif -#ifdef INTERP_ALPHA - a0 += da; -#endif -#ifdef INTERP_INDEX - i0 += di; + if (dx > dy) { + /*** X-major line ***/ + GLint i; + GLint errorInc = dy+dy; + GLint error = errorInc-dx; + GLint errorDec = error-dx; + + for (i = 0; i < dx; i++) { +#ifdef DEPTH_TYPE + GLdepth Z = FixedToDepth(span.z); #endif -#ifdef INTERP_TEX - tex[0] += dtex[0]; - tex[1] += dtex[1]; - tex[2] += dtex[2]; - tex[3] += dtex[3]; +#ifdef PLOT + PLOT( x0, y0 ); +#else + span.array->x[i] = x0; + span.array->y[i] = y0; #endif -#ifdef INTERP_MULTITEX - { - GLuint u; - for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { - if (ctx->Texture.Unit[u]._ReallyEnabled) { - tex[u][0] += dtex[u][0]; - tex[u][1] += dtex[u][1]; - tex[u][2] += dtex[u][2]; - tex[u][3] += dtex[u][3]; - } - } - } + x0 += xstep; +#ifdef DEPTH_TYPE + zPtr = (DEPTH_TYPE *) ((GLubyte*) zPtr + zPtrXstep); + span.z += span.zStep; #endif - #ifdef PIXEL_ADDRESS pixelPtr = (PIXEL_TYPE*) ((GLubyte*) pixelPtr + pixelXstep); #endif @@ -438,10 +379,8 @@ } else { error += errorDec; -#ifdef INTERP_XY y0 += ystep; -#endif -#if defined(INTERP_Z) && defined(DEPTH_TYPE) +#ifdef DEPTH_TYPE zPtr = (DEPTH_TYPE *) ((GLubyte*) zPtr + zPtrYstep); #endif #ifdef PIXEL_ADDRESS @@ -456,131 +395,21 @@ GLint errorInc = dx+dx; GLint error = errorInc-dy; GLint errorDec = error-dy; -#ifdef INTERP_Z - dz = (z1-z0) / dy; -#endif -#ifdef INTERP_FOG - dfog /= dy; -#endif -#ifdef INTERP_RGB - dr /= dy; /* convert from whole line delta to per-pixel delta */ - dg /= dy; - db /= dy; -#endif -#ifdef INTERP_SPEC - dsr /= dy; /* convert from whole line delta to per-pixel delta */ - dsg /= dy; - dsb /= dy; -#endif -#ifdef INTERP_ALPHA - da /= dy; -#endif -#ifdef INTERP_INDEX - di /= dy; -#endif -#ifdef INTERP_TEX - { - const GLfloat invDy = 1.0F / (GLfloat) dy; - dtex[0] *= invDy; - dtex[1] *= invDy; - dtex[2] *= invDy; - dtex[3] *= invDy; - } -#endif -#ifdef INTERP_MULTITEX - { - const GLfloat invDy = 1.0F / (GLfloat) dy; - GLuint u; - for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { - if (ctx->Texture.Unit[u]._ReallyEnabled) { - dtex[u][0] *= invDy; - dtex[u][1] *= invDy; - dtex[u][2] *= invDy; - dtex[u][3] *= invDy; - } - } - } -#endif for (i=0;i> 8; +#ifdef PLOT + PLOT( x0, y0 ); +#else + span.array->x[i] = x0; + span.array->y[i] = y0; #endif -#ifdef INTERP_TEX - { - const GLfloat invQ = tex[3] ? (1.0F / tex[3]) : 1.0F; - fragTexcoord[0] = tex[0] * invQ; - fragTexcoord[1] = tex[1] * invQ; - fragTexcoord[2] = tex[2] * invQ; - fragTexcoord[3] = tex[3]; - } -#endif -#ifdef INTERP_MULTITEX - { - GLuint u; - for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { - if (ctx->Texture.Unit[u]._ReallyEnabled) { - const GLfloat invQ = 1.0F / tex[u][3]; - fragTexcoord[u][0] = tex[u][0] * invQ; - fragTexcoord[u][1] = tex[u][1] * invQ; - fragTexcoord[u][2] = tex[u][2] * invQ; - fragTexcoord[u][3] = tex[u][3]; - } - } - } -#endif - - PLOT( x0, y0 ); - -#ifdef INTERP_XY y0 += ystep; -#endif -#ifdef INTERP_Z -# ifdef DEPTH_TYPE +#ifdef DEPTH_TYPE zPtr = (DEPTH_TYPE *) ((GLubyte*) zPtr + zPtrYstep); -# endif - z0 += dz; -#endif -#ifdef INTERP_FOG - fog0 += dfog; -#endif -#ifdef INTERP_RGB - r0 += dr; - g0 += dg; - b0 += db; -#endif -#ifdef INTERP_SPEC - sr0 += dsr; - sg0 += dsg; - sb0 += dsb; -#endif -#ifdef INTERP_ALPHA - a0 += da; -#endif -#ifdef INTERP_INDEX - i0 += di; -#endif -#ifdef INTERP_TEX - tex[0] += dtex[0]; - tex[1] += dtex[1]; - tex[2] += dtex[2]; - tex[3] += dtex[3]; -#endif -#ifdef INTERP_MULTITEX - { - GLuint u; - for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { - if (ctx->Texture.Unit[u]._ReallyEnabled) { - tex[u][0] += dtex[u][0]; - tex[u][1] += dtex[u][1]; - tex[u][2] += dtex[u][2]; - tex[u][3] += dtex[u][3]; - } - } - } + span.z += span.zStep; #endif #ifdef PIXEL_ADDRESS pixelPtr = (PIXEL_TYPE*) ((GLubyte*) pixelPtr + pixelYstep); @@ -590,10 +419,8 @@ } else { error += errorDec; -#ifdef INTERP_XY x0 += xstep; -#endif -#if defined(INTERP_Z) && defined(DEPTH_TYPE) +#ifdef DEPTH_TYPE zPtr = (DEPTH_TYPE *) ((GLubyte*) zPtr + zPtrXstep); #endif #ifdef PIXEL_ADDRESS @@ -603,15 +430,18 @@ } } +#ifdef RENDER_SPAN + RENDER_SPAN( span ); +#endif + } -#undef INTERP_XY +#undef NAME #undef INTERP_Z #undef INTERP_FOG -#undef INTERP_RGB +#undef INTERP_RGBA #undef INTERP_SPEC -#undef INTERP_ALPHA #undef INTERP_TEX #undef INTERP_MULTITEX #undef INTERP_INDEX @@ -623,4 +453,4 @@ #undef PLOT #undef CLIP_HACK #undef FixedToDepth -#undef SET_XMAJOR +#undef RENDER_SPAN -- cgit v1.2.3