diff options
Diffstat (limited to 'src/mesa/swrast')
| -rw-r--r-- | src/mesa/swrast/s_tritemp.h | 328 |
1 files changed, 164 insertions, 164 deletions
diff --git a/src/mesa/swrast/s_tritemp.h b/src/mesa/swrast/s_tritemp.h index ce7bdd09bdb..726f17e9bb4 100644 --- a/src/mesa/swrast/s_tritemp.h +++ b/src/mesa/swrast/s_tritemp.h @@ -1,4 +1,4 @@ -/* $Id: s_tritemp.h,v 1.37 2002/04/19 14:05:50 brianp Exp $ */ +/* $Id: s_tritemp.h,v 1.38 2002/08/07 15:18:42 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -118,7 +118,7 @@ const GLint snapMask = ~((FIXED_ONE / 16) - 1); /* for x/y coord snapping */ GLfixed vMin_fx, vMin_fy, vMid_fx, vMid_fy, vMax_fx, vMax_fy; - struct sw_span *span = SWRAST_CONTEXT(ctx)->span; + struct sw_span span; INIT_SPAN(span, GL_POLYGON, 0, 0, 0); @@ -339,7 +339,7 @@ /* compute d?/dx and d?/dy derivatives */ #ifdef INTERP_Z - span->interpMask |= SPAN_Z; + span.interpMask |= SPAN_Z; { GLfloat eMaj_dz, eBot_dz; eMaj_dz = vMax->win[2] - vMin->win[2]; @@ -354,22 +354,22 @@ dzdy = oneOverArea * (eMaj.dx * eBot_dz - eMaj_dz * eBot.dx); } if (depthBits <= 16) - span->zStep = SignedFloatToFixed(dzdx); + span.zStep = SignedFloatToFixed(dzdx); else - span->zStep = (GLint) dzdx; + span.zStep = (GLint) dzdx; } #endif #ifdef INTERP_FOG - span->interpMask |= SPAN_FOG; + span.interpMask |= SPAN_FOG; { const GLfloat eMaj_dfog = vMax->fog - vMin->fog; const GLfloat eBot_dfog = vMid->fog - vMin->fog; - span->fogStep = oneOverArea * (eMaj_dfog * eBot.dy - eMaj.dy * eBot_dfog); + span.fogStep = oneOverArea * (eMaj_dfog * eBot.dy - eMaj.dy * eBot_dfog); dfogdy = oneOverArea * (eMaj.dx * eBot_dfog - eMaj_dfog * eBot.dx); } #endif #ifdef INTERP_RGB - span->interpMask |= SPAN_RGBA; + span.interpMask |= SPAN_RGBA; if (ctx->Light.ShadeModel == GL_SMOOTH) { GLfloat eMaj_dr, eBot_dr; GLfloat eMaj_dg, eBot_dg; @@ -382,21 +382,21 @@ eBot_dr = (GLfloat) ((GLint) vMid->color[RCOMP] - (GLint) vMin->color[RCOMP]); drdx = oneOverArea * (eMaj_dr * eBot.dy - eMaj.dy * eBot_dr); - span->redStep = SignedFloatToFixed(drdx); + span.redStep = SignedFloatToFixed(drdx); drdy = oneOverArea * (eMaj.dx * eBot_dr - eMaj_dr * eBot.dx); eMaj_dg = (GLfloat) ((GLint) vMax->color[GCOMP] - (GLint) vMin->color[GCOMP]); eBot_dg = (GLfloat) ((GLint) vMid->color[GCOMP] - (GLint) vMin->color[GCOMP]); dgdx = oneOverArea * (eMaj_dg * eBot.dy - eMaj.dy * eBot_dg); - span->greenStep = SignedFloatToFixed(dgdx); + span.greenStep = SignedFloatToFixed(dgdx); dgdy = oneOverArea * (eMaj.dx * eBot_dg - eMaj_dg * eBot.dx); eMaj_db = (GLfloat) ((GLint) vMax->color[BCOMP] - (GLint) vMin->color[BCOMP]); eBot_db = (GLfloat) ((GLint) vMid->color[BCOMP] - (GLint) vMin->color[BCOMP]); dbdx = oneOverArea * (eMaj_db * eBot.dy - eMaj.dy * eBot_db); - span->blueStep = SignedFloatToFixed(dbdx); + span.blueStep = SignedFloatToFixed(dbdx); dbdy = oneOverArea * (eMaj.dx * eBot_db - eMaj_db * eBot.dx); # ifdef INTERP_ALPHA eMaj_da = (GLfloat) ((GLint) vMax->color[ACOMP] - @@ -404,27 +404,27 @@ eBot_da = (GLfloat) ((GLint) vMid->color[ACOMP] - (GLint) vMin->color[ACOMP]); dadx = oneOverArea * (eMaj_da * eBot.dy - eMaj.dy * eBot_da); - span->alphaStep = SignedFloatToFixed(dadx); + span.alphaStep = SignedFloatToFixed(dadx); dady = oneOverArea * (eMaj.dx * eBot_da - eMaj_da * eBot.dx); # endif } else { ASSERT (ctx->Light.ShadeModel == GL_FLAT); - span->interpMask |= SPAN_FLAT; + span.interpMask |= SPAN_FLAT; drdx = drdy = 0.0F; dgdx = dgdy = 0.0F; dbdx = dbdy = 0.0F; - span->redStep = 0; - span->greenStep = 0; - span->blueStep = 0; + span.redStep = 0; + span.greenStep = 0; + span.blueStep = 0; # ifdef INTERP_ALPHA dadx = dady = 0.0F; - span->alphaStep = 0; + span.alphaStep = 0; # endif } #endif #ifdef INTERP_FLOAT_RGBA - span->interpMask |= SPAN_RGBA; + span.interpMask |= SPAN_RGBA; if (ctx->Light.ShadeModel == GL_SMOOTH) { GLfloat eMaj_dr, eBot_dr; GLfloat eMaj_dg, eBot_dg; @@ -433,33 +433,33 @@ eMaj_dr = vMax->color[RCOMP] - vMin->color[RCOMP]; eBot_dr = vMid->color[RCOMP] - vMin->color[RCOMP]; drdx = oneOverArea * (eMaj_dr * eBot.dy - eMaj.dy * eBot_dr); - span->redStep = drdx; + span.redStep = drdx; drdy = oneOverArea * (eMaj.dx * eBot_dr - eMaj_dr * eBot.dx); eMaj_dg = vMax->color[GCOMP] - vMin->color[GCOMP]; eBot_dg = vMid->color[GCOMP] - vMin->color[GCOMP]; dgdx = oneOverArea * (eMaj_dg * eBot.dy - eMaj.dy * eBot_dg); - span->greenStep = dgdx; + span.greenStep = dgdx; dgdy = oneOverArea * (eMaj.dx * eBot_dg - eMaj_dg * eBot.dx); eMaj_db = vMax->color[BCOMP] - vMin->color[BCOMP]; eBot_db = vMid->color[BCOMP] - vMin->color[BCOMP]; dbdx = oneOverArea * (eMaj_db * eBot.dy - eMaj.dy * eBot_db); - span->blueStep = dbdx; + span.blueStep = dbdx; dbdy = oneOverArea * (eMaj.dx * eBot_db - eMaj_db * eBot.dx); eMaj_da = vMax->color[ACOMP] - vMin->color[ACOMP]; eBot_da = vMid->color[ACOMP] - vMin->color[ACOMP]; dadx = oneOverArea * (eMaj_da * eBot.dy - eMaj.dy * eBot_da); - span->alphaStep = dadx; + span.alphaStep = dadx; dady = oneOverArea * (eMaj.dx * eBot_da - eMaj_da * eBot.dx); } else { - drdx = drdy = span->redStep = 0.0F; - dgdx = dgdy = span->greenStep = 0.0F; - dbdx = dbdy = span->blueStep = 0.0F; - dadx = dady = span->alphaStep = 0.0F; + drdx = drdy = span.redStep = 0.0F; + dgdx = dgdy = span.greenStep = 0.0F; + dbdx = dbdy = span.blueStep = 0.0F; + dadx = dady = span.alphaStep = 0.0F; } #endif #ifdef INTERP_SPEC - span->interpMask |= SPAN_SPEC; + span.interpMask |= SPAN_SPEC; if (ctx->Light.ShadeModel == GL_SMOOTH) { GLfloat eMaj_dsr, eBot_dsr; GLfloat eMaj_dsg, eBot_dsg; @@ -469,34 +469,34 @@ eBot_dsr = (GLfloat) ((GLint) vMid->specular[RCOMP] - (GLint) vMin->specular[RCOMP]); dsrdx = oneOverArea * (eMaj_dsr * eBot.dy - eMaj.dy * eBot_dsr); - span->specRedStep = SignedFloatToFixed(dsrdx); + span.specRedStep = SignedFloatToFixed(dsrdx); dsrdy = oneOverArea * (eMaj.dx * eBot_dsr - eMaj_dsr * eBot.dx); eMaj_dsg = (GLfloat) ((GLint) vMax->specular[GCOMP] - (GLint) vMin->specular[GCOMP]); eBot_dsg = (GLfloat) ((GLint) vMid->specular[GCOMP] - (GLint) vMin->specular[GCOMP]); dsgdx = oneOverArea * (eMaj_dsg * eBot.dy - eMaj.dy * eBot_dsg); - span->specGreenStep = SignedFloatToFixed(dsgdx); + span.specGreenStep = SignedFloatToFixed(dsgdx); dsgdy = oneOverArea * (eMaj.dx * eBot_dsg - eMaj_dsg * eBot.dx); eMaj_dsb = (GLfloat) ((GLint) vMax->specular[BCOMP] - (GLint) vMin->specular[BCOMP]); eBot_dsb = (GLfloat) ((GLint) vMid->specular[BCOMP] - (GLint) vMin->specular[BCOMP]); dsbdx = oneOverArea * (eMaj_dsb * eBot.dy - eMaj.dy * eBot_dsb); - span->specBlueStep = SignedFloatToFixed(dsbdx); + span.specBlueStep = SignedFloatToFixed(dsbdx); dsbdy = oneOverArea * (eMaj.dx * eBot_dsb - eMaj_dsb * eBot.dx); } else { dsrdx = dsrdy = 0.0F; dsgdx = dsgdy = 0.0F; dsbdx = dsbdy = 0.0F; - span->specRedStep = 0; - span->specGreenStep = 0; - span->specBlueStep = 0; + span.specRedStep = 0; + span.specGreenStep = 0; + span.specBlueStep = 0; } #endif #ifdef INTERP_FLOAT_SPEC - span->interpMask |= SPAN_SPEC; + span.interpMask |= SPAN_SPEC; if (ctx->Light.ShadeModel == GL_SMOOTH) { GLfloat eMaj_dsr, eBot_dsr; GLfloat eMaj_dsg, eBot_dsg; @@ -504,49 +504,49 @@ eMaj_dsr = vMax->specular[RCOMP] - vMin->specular[RCOMP]; eBot_dsr = vMid->specular[RCOMP] - vMin->specular[RCOMP]; dsrdx = oneOverArea * (eMaj_dsr * eBot.dy - eMaj.dy * eBot_dsr); - span->specRedStep = dsrdx; + span.specRedStep = dsrdx; dsrdy = oneOverArea * (eMaj.dx * eBot_dsr - eMaj_dsr * eBot.dx); eMaj_dsg = vMax->specular[GCOMP] - vMin->specular[GCOMP]; eBot_dsg = vMid->specular[GCOMP] - vMin->specular[GCOMP]; dsgdx = oneOverArea * (eMaj_dsg * eBot.dy - eMaj.dy * eBot_dsg); - span->specGreenStep = dsgdx; + span.specGreenStep = dsgdx; dsgdy = oneOverArea * (eMaj.dx * eBot_dsg - eMaj_dsg * eBot.dx); eMaj_dsb = vMax->specular[BCOMP] - vMin->specular[BCOMP]; eBot_dsb = vMid->specular[BCOMP] - vMin->specular[BCOMP]; dsbdx = oneOverArea * (eMaj_dsb * eBot.dy - eMaj.dy * eBot_dsb); - span->specBlueStep = dsbdx; + span.specBlueStep = dsbdx; dsbdy = oneOverArea * (eMaj.dx * eBot_dsb - eMaj_dsb * eBot.dx); } else { - dsrdx = dsrdy = span->specRedStep = 0; - dsgdx = dsgdy = span->specGreenStep = 0; - dsbdx = dsbdy = span->specBlueStep = 0; + dsrdx = dsrdy = span.specRedStep = 0; + dsgdx = dsgdy = span.specGreenStep = 0; + dsbdx = dsbdy = span.specBlueStep = 0; } #endif #ifdef INTERP_INDEX - span->interpMask |= SPAN_INDEX; + span.interpMask |= SPAN_INDEX; if (ctx->Light.ShadeModel == GL_SMOOTH) { GLfloat eMaj_di, eBot_di; eMaj_di = (GLfloat) ((GLint) vMax->index - (GLint) vMin->index); eBot_di = (GLfloat) ((GLint) vMid->index - (GLint) vMin->index); didx = oneOverArea * (eMaj_di * eBot.dy - eMaj.dy * eBot_di); - span->indexStep = SignedFloatToFixed(didx); + span.indexStep = SignedFloatToFixed(didx); didy = oneOverArea * (eMaj.dx * eBot_di - eMaj_di * eBot.dx); } else { - span->interpMask |= SPAN_FLAT; + span.interpMask |= SPAN_FLAT; didx = didy = 0.0F; - span->indexStep = 0; + span.indexStep = 0; } #endif #ifdef INTERP_INT_TEX - span->interpMask |= SPAN_INT_TEXTURE; + span.interpMask |= SPAN_INT_TEXTURE; { GLfloat eMaj_ds, eBot_ds; eMaj_ds = (vMax->texcoord[0][0] - vMin->texcoord[0][0]) * S_SCALE; eBot_ds = (vMid->texcoord[0][0] - vMin->texcoord[0][0]) * S_SCALE; dsdx = oneOverArea * (eMaj_ds * eBot.dy - eMaj.dy * eBot_ds); - span->intTexStep[0] = SignedFloatToFixed(dsdx); + span.intTexStep[0] = SignedFloatToFixed(dsdx); dsdy = oneOverArea * (eMaj.dx * eBot_ds - eMaj_ds * eBot.dx); } { @@ -554,13 +554,13 @@ eMaj_dt = (vMax->texcoord[0][1] - vMin->texcoord[0][1]) * T_SCALE; eBot_dt = (vMid->texcoord[0][1] - vMin->texcoord[0][1]) * T_SCALE; dtdx = oneOverArea * (eMaj_dt * eBot.dy - eMaj.dy * eBot_dt); - span->intTexStep[1] = SignedFloatToFixed(dtdx); + span.intTexStep[1] = SignedFloatToFixed(dtdx); dtdy = oneOverArea * (eMaj.dx * eBot_dt - eMaj_dt * eBot.dx); } #endif #ifdef INTERP_TEX - span->interpMask |= SPAN_TEXTURE; + span.interpMask |= SPAN_TEXTURE; { GLfloat wMax = vMax->win[3]; GLfloat wMin = vMin->win[3]; @@ -574,33 +574,33 @@ eBot_ds = vMid->texcoord[0][0] * wMid - vMin->texcoord[0][0] * wMin; dsdx = oneOverArea * (eMaj_ds * eBot.dy - eMaj.dy * eBot_ds); dsdy = oneOverArea * (eMaj.dx * eBot_ds - eMaj_ds * eBot.dx); - span->texStepX[0][0] = dsdx; - span->texStepY[0][0] = dsdy; + span.texStepX[0][0] = dsdx; + span.texStepY[0][0] = dsdy; eMaj_dt = vMax->texcoord[0][1] * wMax - vMin->texcoord[0][1] * wMin; eBot_dt = vMid->texcoord[0][1] * wMid - vMin->texcoord[0][1] * wMin; dtdx = oneOverArea * (eMaj_dt * eBot.dy - eMaj.dy * eBot_dt); dtdy = oneOverArea * (eMaj.dx * eBot_dt - eMaj_dt * eBot.dx); - span->texStepX[0][1] = dtdx; - span->texStepY[0][1] = dtdy; + span.texStepX[0][1] = dtdx; + span.texStepY[0][1] = dtdy; eMaj_du = vMax->texcoord[0][2] * wMax - vMin->texcoord[0][2] * wMin; eBot_du = vMid->texcoord[0][2] * wMid - vMin->texcoord[0][2] * wMin; dudx = oneOverArea * (eMaj_du * eBot.dy - eMaj.dy * eBot_du); dudy = oneOverArea * (eMaj.dx * eBot_du - eMaj_du * eBot.dx); - span->texStepX[0][2] = dudx; - span->texStepY[0][2] = dudy; + span.texStepX[0][2] = dudx; + span.texStepY[0][2] = dudy; eMaj_dv = vMax->texcoord[0][3] * wMax - vMin->texcoord[0][3] * wMin; eBot_dv = vMid->texcoord[0][3] * wMid - vMin->texcoord[0][3] * wMin; dvdx = oneOverArea * (eMaj_dv * eBot.dy - eMaj.dy * eBot_dv); dvdy = oneOverArea * (eMaj.dx * eBot_dv - eMaj_dv * eBot.dx); - span->texStepX[0][3] = dvdx; - span->texStepY[0][3] = dvdy; + span.texStepX[0][3] = dvdx; + span.texStepY[0][3] = dvdy; } #endif #ifdef INTERP_MULTITEX - span->interpMask |= SPAN_TEXTURE; + span.interpMask |= SPAN_TEXTURE; { GLfloat wMax = vMax->win[3]; GLfloat wMin = vMin->win[3]; @@ -618,8 +618,8 @@ - vMin->texcoord[u][0] * wMin; dsdx[u] = oneOverArea * (eMaj_ds * eBot.dy - eMaj.dy * eBot_ds); dsdy[u] = oneOverArea * (eMaj.dx * eBot_ds - eMaj_ds * eBot.dx); - span->texStepX[u][0] = dsdx[u]; - span->texStepY[u][0] = dsdy[u]; + span.texStepX[u][0] = dsdx[u]; + span.texStepY[u][0] = dsdy[u]; eMaj_dt = vMax->texcoord[u][1] * wMax - vMin->texcoord[u][1] * wMin; @@ -627,8 +627,8 @@ - vMin->texcoord[u][1] * wMin; dtdx[u] = oneOverArea * (eMaj_dt * eBot.dy - eMaj.dy * eBot_dt); dtdy[u] = oneOverArea * (eMaj.dx * eBot_dt - eMaj_dt * eBot.dx); - span->texStepX[u][1] = dtdx[u]; - span->texStepY[u][1] = dtdy[u]; + span.texStepX[u][1] = dtdx[u]; + span.texStepY[u][1] = dtdy[u]; eMaj_du = vMax->texcoord[u][2] * wMax - vMin->texcoord[u][2] * wMin; @@ -636,8 +636,8 @@ - vMin->texcoord[u][2] * wMin; dudx[u] = oneOverArea * (eMaj_du * eBot.dy - eMaj.dy * eBot_du); dudy[u] = oneOverArea * (eMaj.dx * eBot_du - eMaj_du * eBot.dx); - span->texStepX[u][2] = dudx[u]; - span->texStepY[u][2] = dudy[u]; + span.texStepX[u][2] = dudx[u]; + span.texStepY[u][2] = dudy[u]; eMaj_dv = vMax->texcoord[u][3] * wMax - vMin->texcoord[u][3] * wMin; @@ -645,8 +645,8 @@ - vMin->texcoord[u][3] * wMin; dvdx[u] = oneOverArea * (eMaj_dv * eBot.dy - eMaj.dy * eBot_dv); dvdy[u] = oneOverArea * (eMaj.dx * eBot_dv - eMaj_dv * eBot.dx); - span->texStepX[u][3] = dvdx[u]; - span->texStepY[u][3] = dvdy[u]; + span.texStepX[u][3] = dvdx[u]; + span.texStepY[u][3] = dvdy[u]; } } } @@ -828,7 +828,7 @@ (void) dxOuter; fy = eLeft->fsy; - span->y = FixedToInt(fy); + span.y = FixedToInt(fy); adjx = (float)(fx - eLeft->fx0); /* SCALED! */ adjy = eLeft->adjy; /* SCALED! */ @@ -840,7 +840,7 @@ #ifdef PIXEL_ADDRESS { - pRow = (PIXEL_TYPE *) PIXEL_ADDRESS(FixedToInt(fxLeftEdge), span->y); + pRow = (PIXEL_TYPE *) PIXEL_ADDRESS(FixedToInt(fxLeftEdge), span.y); dPRowOuter = -((int)BYTES_PER_ROW) + idxOuter * sizeof(PIXEL_TYPE); /* negative because Y=0 at bottom and increases upward */ } @@ -876,15 +876,15 @@ } # ifdef DEPTH_TYPE zRow = (DEPTH_TYPE *) - _mesa_zbuffer_address(ctx, FixedToInt(fxLeftEdge), span->y); + _mesa_zbuffer_address(ctx, FixedToInt(fxLeftEdge), span.y); dZRowOuter = (ctx->DrawBuffer->Width + idxOuter) * sizeof(DEPTH_TYPE); # endif } #endif #ifdef INTERP_FOG - fogLeft = vLower->fog + (span->fogStep * adjx + dfogdy * adjy) + fogLeft = vLower->fog + (span.fogStep * adjx + dfogdy * adjy) * (1.0F/FIXED_SCALE); - dfogOuter = dfogdy + dxOuter * span->fogStep; + dfogOuter = dfogdy + dxOuter * span.fogStep; #endif #ifdef INTERP_RGB if (ctx->Light.ShadeModel == GL_SMOOTH) { @@ -1006,21 +1006,21 @@ GLfloat invW = vLower->win[3]; GLfloat s0, t0, u0, v0; s0 = vLower->texcoord[0][0] * invW; - sLeft = s0 + (span->texStepX[0][0] * adjx + dsdy * adjy) + sLeft = s0 + (span.texStepX[0][0] * adjx + dsdy * adjy) * (1.0F/FIXED_SCALE); - dsOuter = dsdy + dxOuter * span->texStepX[0][0]; + dsOuter = dsdy + dxOuter * span.texStepX[0][0]; t0 = vLower->texcoord[0][1] * invW; - tLeft = t0 + (span->texStepX[0][1] * adjx + dtdy * adjy) + tLeft = t0 + (span.texStepX[0][1] * adjx + dtdy * adjy) * (1.0F/FIXED_SCALE); - dtOuter = dtdy + dxOuter * span->texStepX[0][1]; + dtOuter = dtdy + dxOuter * span.texStepX[0][1]; u0 = vLower->texcoord[0][2] * invW; - uLeft = u0 + (span->texStepX[0][2] * adjx + dudy * adjy) + uLeft = u0 + (span.texStepX[0][2] * adjx + dudy * adjy) * (1.0F/FIXED_SCALE); - duOuter = dudy + dxOuter * span->texStepX[0][2]; + duOuter = dudy + dxOuter * span.texStepX[0][2]; v0 = vLower->texcoord[0][3] * invW; - vLeft = v0 + (span->texStepX[0][3] * adjx + dvdy * adjy) + vLeft = v0 + (span.texStepX[0][3] * adjx + dvdy * adjy) * (1.0F/FIXED_SCALE); - dvOuter = dvdy + dxOuter * span->texStepX[0][3]; + dvOuter = dvdy + dxOuter * span.texStepX[0][3]; } #endif #ifdef INTERP_MULTITEX @@ -1031,21 +1031,21 @@ GLfloat invW = vLower->win[3]; GLfloat s0, t0, u0, v0; s0 = vLower->texcoord[u][0] * invW; - sLeft[u] = s0 + (span->texStepX[u][0] * adjx + dsdy[u] + sLeft[u] = s0 + (span.texStepX[u][0] * adjx + dsdy[u] * adjy) * (1.0F/FIXED_SCALE); - dsOuter[u] = dsdy[u] + dxOuter * span->texStepX[u][0]; + dsOuter[u] = dsdy[u] + dxOuter * span.texStepX[u][0]; t0 = vLower->texcoord[u][1] * invW; - tLeft[u] = t0 + (span->texStepX[u][1] * adjx + dtdy[u] + tLeft[u] = t0 + (span.texStepX[u][1] * adjx + dtdy[u] * adjy) * (1.0F/FIXED_SCALE); - dtOuter[u] = dtdy[u] + dxOuter * span->texStepX[u][1]; + dtOuter[u] = dtdy[u] + dxOuter * span.texStepX[u][1]; u0 = vLower->texcoord[u][2] * invW; - uLeft[u] = u0 + (span->texStepX[u][2] * adjx + dudy[u] + uLeft[u] = u0 + (span.texStepX[u][2] * adjx + dudy[u] * adjy) * (1.0F/FIXED_SCALE); - duOuter[u] = dudy[u] + dxOuter * span->texStepX[u][2]; + duOuter[u] = dudy[u] + dxOuter * span.texStepX[u][2]; v0 = vLower->texcoord[u][3] * invW; - vLeft[u] = v0 + (span->texStepX[u][3] * adjx + dvdy[u] + vLeft[u] = v0 + (span.texStepX[u][3] * adjx + dvdy[u] * adjy) * (1.0F/FIXED_SCALE); - dvOuter[u] = dvdy[u] + dxOuter * span->texStepX[u][3]; + dvOuter[u] = dvdy[u] + dxOuter * span.texStepX[u][3]; } } } @@ -1072,46 +1072,46 @@ # ifdef DEPTH_TYPE dZRowInner = dZRowOuter + sizeof(DEPTH_TYPE); # endif - fdzInner = fdzOuter + span->zStep; + fdzInner = fdzOuter + span.zStep; #endif #ifdef INTERP_FOG - dfogInner = dfogOuter + span->fogStep; + dfogInner = dfogOuter + span.fogStep; #endif #if defined(INTERP_RGB) || defined(INTERP_FLOAT_RGBA) - fdrInner = fdrOuter + span->redStep; - fdgInner = fdgOuter + span->greenStep; - fdbInner = fdbOuter + span->blueStep; + fdrInner = fdrOuter + span.redStep; + fdgInner = fdgOuter + span.greenStep; + fdbInner = fdbOuter + span.blueStep; #endif #if defined(INTERP_ALPHA) || defined(INTERP_FLOAT_RGBA) - fdaInner = fdaOuter + span->alphaStep; + fdaInner = fdaOuter + span.alphaStep; #endif #if defined(INTERP_SPEC) || defined(INTERP_FLOAT_SPEC) - fdsrInner = fdsrOuter + span->specRedStep; - fdsgInner = fdsgOuter + span->specGreenStep; - fdsbInner = fdsbOuter + span->specBlueStep; + fdsrInner = fdsrOuter + span.specRedStep; + fdsgInner = fdsgOuter + span.specGreenStep; + fdsbInner = fdsbOuter + span.specBlueStep; #endif #ifdef INTERP_INDEX - fdiInner = fdiOuter + span->indexStep; + fdiInner = fdiOuter + span.indexStep; #endif #ifdef INTERP_INT_TEX - fdsInner = fdsOuter + span->intTexStep[0]; - fdtInner = fdtOuter + span->intTexStep[1]; + fdsInner = fdsOuter + span.intTexStep[0]; + 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]; + 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]; + 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]; } } } @@ -1122,45 +1122,45 @@ /* ff = fixed-pt fragment */ const GLint right = FixedToInt(fxRightEdge); - span->x = FixedToInt(fxLeftEdge); + span.x = FixedToInt(fxLeftEdge); - if (right <= span->x) - span->end = 0; + if (right <= span.x) + span.end = 0; else - span->end = right - span->x; + span.end = right - span.x; #ifdef INTERP_Z - span->z = fz; + span.z = fz; #endif #ifdef INTERP_FOG - span->fog = fogLeft; + span.fog = fogLeft; #endif #if defined(INTERP_RGB) || defined(INTERP_FLOAT_RGBA) - span->red = fr; - span->green = fg; - span->blue = fb; + span.red = fr; + span.green = fg; + span.blue = fb; #endif #if defined(INTERP_ALPHA) || defined(INTERP_FLOAT_RGBA) - span->alpha = fa; + span.alpha = fa; #endif #if defined(INTERP_SPEC) || defined(INTERP_FLOAT_SPEC) - span->specRed = fsr; - span->specGreen = fsg; - span->specBlue = fsb; + span.specRed = fsr; + span.specGreen = fsg; + span.specBlue = fsb; #endif #ifdef INTERP_INDEX - span->index = fi; + span.index = fi; #endif #ifdef INTERP_INT_TEX - span->intTex[0] = fs; - span->intTex[1] = ft; + span.intTex[0] = fs; + span.intTex[1] = ft; #endif #ifdef INTERP_TEX - span->tex[0][0] = sLeft; - span->tex[0][1] = tLeft; - span->tex[0][2] = uLeft; - span->tex[0][3] = vLeft; + span.tex[0][0] = sLeft; + span.tex[0][1] = tLeft; + span.tex[0][2] = uLeft; + span.tex[0][3] = vLeft; #endif #ifdef INTERP_MULTITEX @@ -1168,10 +1168,10 @@ 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]; + span.tex[u][0] = sLeft[u]; + span.tex[u][1] = tLeft[u]; + span.tex[u][2] = uLeft[u]; + span.tex[u][3] = vLeft[u]; } } } @@ -1180,68 +1180,68 @@ #ifdef INTERP_RGB { /* need this to accomodate round-off errors */ - const GLint len = right - span->x - 1; - GLfixed ffrend = span->red + len * span->redStep; - GLfixed ffgend = span->green + len * span->greenStep; - GLfixed ffbend = span->blue + len * span->blueStep; + const GLint len = right - span.x - 1; + GLfixed ffrend = span.red + len * span.redStep; + GLfixed ffgend = span.green + len * span.greenStep; + GLfixed ffbend = span.blue + len * span.blueStep; if (ffrend < 0) { - span->red -= ffrend; - if (span->red < 0) - span->red = 0; + span.red -= ffrend; + if (span.red < 0) + span.red = 0; } if (ffgend < 0) { - span->green -= ffgend; - if (span->green < 0) - span->green = 0; + span.green -= ffgend; + if (span.green < 0) + span.green = 0; } if (ffbend < 0) { - span->blue -= ffbend; - if (span->blue < 0) - span->blue = 0; + span.blue -= ffbend; + if (span.blue < 0) + span.blue = 0; } } #endif #ifdef INTERP_ALPHA { - const GLint len = right - span->x - 1; - GLfixed ffaend = span->alpha + len * span->alphaStep; + const GLint len = right - span.x - 1; + GLfixed ffaend = span.alpha + len * span.alphaStep; if (ffaend < 0) { - span->alpha -= ffaend; - if (span->alpha < 0) - span->alpha = 0; + span.alpha -= ffaend; + if (span.alpha < 0) + span.alpha = 0; } } #endif #ifdef INTERP_SPEC { /* need this to accomodate round-off errors */ - const GLint len = right - span->x - 1; - GLfixed ffsrend = span->specRed + len * span->specRedStep; - GLfixed ffsgend = span->specGreen + len * span->specGreenStep; - GLfixed ffsbend = span->specBlue + len * span->specBlueStep; + const GLint len = right - span.x - 1; + GLfixed ffsrend = span.specRed + len * span.specRedStep; + GLfixed ffsgend = span.specGreen + len * span.specGreenStep; + GLfixed ffsbend = span.specBlue + len * span.specBlueStep; if (ffsrend < 0) { - span->specRed -= ffsrend; - if (span->specRed < 0) - span->specRed = 0; + span.specRed -= ffsrend; + if (span.specRed < 0) + span.specRed = 0; } if (ffsgend < 0) { - span->specGreen -= ffsgend; - if (span->specGreen < 0) - span->specGreen = 0; + span.specGreen -= ffsgend; + if (span.specGreen < 0) + span.specGreen = 0; } if (ffsbend < 0) { - span->specBlue -= ffsbend; - if (span->specBlue < 0) - span->specBlue = 0; + span.specBlue -= ffsbend; + if (span.specBlue < 0) + span.specBlue = 0; } } #endif #ifdef INTERP_INDEX - if (span->index < 0) span->index = 0; + if (span.index < 0) span.index = 0; #endif /* This is where we actually generate fragments */ - if (span->end > 0) { + if (span.end > 0) { RENDER_SPAN( span ); } @@ -1251,7 +1251,7 @@ * pixel-center x coordinate so that it stays * on or inside the major edge. */ - (span->y)++; + (span.y)++; lines--; fxLeftEdge += fdxLeftEdge; |