diff options
| -rw-r--r-- | src/mesa/swrast/s_tritemp.h | 236 |
1 files changed, 80 insertions, 156 deletions
diff --git a/src/mesa/swrast/s_tritemp.h b/src/mesa/swrast/s_tritemp.h index f22ed5bd4d0..37d17d4bc8e 100644 --- a/src/mesa/swrast/s_tritemp.h +++ b/src/mesa/swrast/s_tritemp.h @@ -1,4 +1,4 @@ -/* $Id: s_tritemp.h,v 1.45 2003/03/16 18:42:13 brianp Exp $ */ +/* $Id: s_tritemp.h,v 1.46 2003/03/16 20:10:01 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -78,6 +78,27 @@ #define ColorTemp GLint /* same as GLfixed */ #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.Unit[u]._ReallyEnabled) { \ + CODE \ + } \ + } \ + } +#define INTERP_TEX +#elif defined(INTERP_TEX) +#define TEX_UNIT_LOOP(CODE) \ + { \ + const GLuint u = 0; \ + CODE \ + } +#endif static void NAME(GLcontext *ctx, const SWvertex *v0, @@ -457,50 +478,26 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, #ifdef INTERP_TEX span.interpMask |= SPAN_TEXTURE; { + /* win[3] is 1/W */ const GLfloat wMax = vMax->win[3], wMin = vMin->win[3], wMid = vMid->win[3]; - GLfloat eMaj_ds = vMax->texcoord[0][0] * wMax - vMin->texcoord[0][0] * wMin; - GLfloat eBot_ds = vMid->texcoord[0][0] * wMid - vMin->texcoord[0][0] * wMin; - GLfloat eMaj_dt = vMax->texcoord[0][1] * wMax - vMin->texcoord[0][1] * wMin; - GLfloat eBot_dt = vMid->texcoord[0][1] * wMid - vMin->texcoord[0][1] * wMin; - GLfloat eMaj_du = vMax->texcoord[0][2] * wMax - vMin->texcoord[0][2] * wMin; - GLfloat eBot_du = vMid->texcoord[0][2] * wMid - vMin->texcoord[0][2] * wMin; - GLfloat eMaj_dv = vMax->texcoord[0][3] * wMax - vMin->texcoord[0][3] * wMin; - GLfloat eBot_dv = vMid->texcoord[0][3] * wMid - vMin->texcoord[0][3] * wMin; - 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.texStepX[0][2] = oneOverArea * (eMaj_du * eBot.dy - eMaj.dy * eBot_du); - span.texStepY[0][2] = oneOverArea * (eMaj.dx * eBot_du - eMaj_du * eBot.dx); - span.texStepX[0][3] = oneOverArea * (eMaj_dv * eBot.dy - eMaj.dy * eBot_dv); - span.texStepY[0][3] = oneOverArea * (eMaj.dx * eBot_dv - eMaj_dv * eBot.dx); - } -#endif -#ifdef INTERP_MULTITEX - span.interpMask |= SPAN_TEXTURE; - { - const GLfloat wMax = vMax->win[3], wMin = vMin->win[3], wMid = vMid->win[3]; - GLuint u; - for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { - if (ctx->Texture.Unit[u]._ReallyEnabled) { - 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); - } - } + 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 @@ -597,12 +594,6 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, GLfixed ft=0, fdtOuter=0, fdtInner; #endif #ifdef INTERP_TEX - GLfloat sLeft=0, dsOuter=0, dsInner; - GLfloat tLeft=0, dtOuter=0, dtInner; - GLfloat uLeft=0, duOuter=0, duInner; - GLfloat vLeft=0, dvOuter=0, dvInner; -#endif -#ifdef INTERP_MULTITEX GLfloat sLeft[MAX_TEXTURE_COORD_UNITS]; GLfloat tLeft[MAX_TEXTURE_COORD_UNITS]; GLfloat uLeft[MAX_TEXTURE_COORD_UNITS]; @@ -839,45 +830,22 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, } #endif #ifdef INTERP_TEX - { + TEX_UNIT_LOOP( const GLfloat invW = vLower->win[3]; - const GLfloat s0 = vLower->texcoord[0][0] * invW; - const GLfloat t0 = vLower->texcoord[0][1] * invW; - const GLfloat u0 = vLower->texcoord[0][2] * invW; - const GLfloat v0 = vLower->texcoord[0][3] * invW; - sLeft = s0 + (span.texStepX[0][0] * adjx + span.texStepY[0][0] * adjy) * (1.0F/FIXED_SCALE); - tLeft = t0 + (span.texStepX[0][1] * adjx + span.texStepY[0][1] * adjy) * (1.0F/FIXED_SCALE); - uLeft = u0 + (span.texStepX[0][2] * adjx + span.texStepY[0][2] * adjy) * (1.0F/FIXED_SCALE); - vLeft = v0 + (span.texStepX[0][3] * adjx + span.texStepY[0][3] * adjy) * (1.0F/FIXED_SCALE); - dsOuter = span.texStepY[0][0] + dxOuter * span.texStepX[0][0]; - dtOuter = span.texStepY[0][1] + dxOuter * span.texStepX[0][1]; - duOuter = span.texStepY[0][2] + dxOuter * span.texStepX[0][2]; - dvOuter = span.texStepY[0][3] + dxOuter * span.texStepX[0][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_MULTITEX - { - GLuint u; - for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { - if (ctx->Texture.Unit[u]._ReallyEnabled) { - 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 - } /*if setupLeft*/ @@ -925,23 +893,12 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, fdtInner = fdtOuter + span.intTexStep[1]; #endif #ifdef INTERP_TEX - dsInner = dsOuter + span.texStepX[0][0]; - dtInner = dtOuter + span.texStepX[0][1]; - duInner = duOuter + span.texStepX[0][2]; - dvInner = dvOuter + span.texStepX[0][3]; -#endif -#ifdef INTERP_MULTITEX - { - GLuint u; - for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { - if (ctx->Texture.Unit[u]._ReallyEnabled) { - 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]; - } - } - } + 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 while (lines > 0) { @@ -984,24 +941,12 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, #endif #ifdef INTERP_TEX - span.tex[0][0] = sLeft; - span.tex[0][1] = tLeft; - span.tex[0][2] = uLeft; - span.tex[0][3] = vLeft; -#endif - -#ifdef INTERP_MULTITEX - { - GLuint u; - for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { - if (ctx->Texture.Unit[u]._ReallyEnabled) { - span.tex[u][0] = sLeft[u]; - span.tex[u][1] = tLeft[u]; - span.tex[u][2] = uLeft[u]; - span.tex[u][3] = vLeft[u]; - } - } - } + 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_RGB @@ -1121,23 +1066,12 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, ft += fdtOuter; #endif #ifdef INTERP_TEX - sLeft += dsOuter; - tLeft += dtOuter; - uLeft += duOuter; - vLeft += dvOuter; -#endif -#ifdef INTERP_MULTITEX - { - GLuint u; - for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { - if (ctx->Texture.Unit[u]._ReallyEnabled) { - sLeft[u] += dsOuter[u]; - tLeft[u] += dtOuter[u]; - uLeft[u] += duOuter[u]; - vLeft[u] += dvOuter[u]; - } - } - } + TEX_UNIT_LOOP( + sLeft[u] += dsOuter[u]; + tLeft[u] += dtOuter[u]; + uLeft[u] += duOuter[u]; + vLeft[u] += dvOuter[u]; + ) #endif } else { @@ -1174,23 +1108,12 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, ft += fdtInner; #endif #ifdef INTERP_TEX - sLeft += dsInner; - tLeft += dtInner; - uLeft += duInner; - vLeft += dvInner; -#endif -#ifdef INTERP_MULTITEX - { - GLuint u; - for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { - if (ctx->Texture.Unit[u]._ReallyEnabled) { - sLeft[u] += dsInner[u]; - tLeft[u] += dtInner[u]; - uLeft[u] += duInner[u]; - vLeft[u] += dvInner[u]; - } - } - } + TEX_UNIT_LOOP( + sLeft[u] += dsInner[u]; + tLeft[u] += dtInner[u]; + uLeft[u] += duInner[u]; + vLeft[u] += dvInner[u]; + ) #endif } } /*while lines>0*/ @@ -1221,6 +1144,7 @@ static void NAME(GLcontext *ctx, const SWvertex *v0, #undef INTERP_INT_TEX #undef INTERP_TEX #undef INTERP_MULTITEX +#undef TEX_UNIT_LOOP #undef S_SCALE #undef T_SCALE |