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Evict floats from the block code (too bad it didn't make any difference to the speed)
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2 changed files with 22 additions and 18 deletions
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@ -228,10 +228,20 @@ void DrawTriangleCodegen::LoopBlockX(TriDrawVariant variant, bool truecolor)
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SSAFloat rcpWBR = 1.0f / (startW + offx1 * gradWX + offy1 * gradWY);
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for (int i = 0; i < TriVertex::NumVarying; i++)
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{
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varyingTL[i] = (startVarying[i] + offx0 * gradVaryingX[i] + offy0 * gradVaryingY[i]) * rcpWTL;
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varyingTR[i] = (startVarying[i] + offx1 * gradVaryingX[i] + offy0 * gradVaryingY[i]) * rcpWTR;
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varyingBL[i] = ((startVarying[i] + offx0 * gradVaryingX[i] + offy1 * gradVaryingY[i]) * rcpWBL - varyingTL[i]) * (1.0f / q);
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varyingBR[i] = ((startVarying[i] + offx1 * gradVaryingX[i] + offy1 * gradVaryingY[i]) * rcpWBR - varyingTR[i]) * (1.0f / q);
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SSAFloat varyingTL = (startVarying[i] + offx0 * gradVaryingX[i] + offy0 * gradVaryingY[i]) * rcpWTL;
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SSAFloat varyingTR = (startVarying[i] + offx1 * gradVaryingX[i] + offy0 * gradVaryingY[i]) * rcpWTR;
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SSAFloat varyingBL = (startVarying[i] + offx0 * gradVaryingX[i] + offy1 * gradVaryingY[i]) * rcpWBL;
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SSAFloat varyingBR = (startVarying[i] + offx1 * gradVaryingX[i] + offy1 * gradVaryingY[i]) * rcpWBR;
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SSAFloat pos = varyingTL;
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SSAFloat stepPos = (varyingBL - varyingTL) * (1.0f / q);
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SSAFloat startStepX = (varyingTR - varyingTL) * (1.0f / q);
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SSAFloat incrStepX = (varyingBR - varyingBL) * (1.0f / q) - startStepX;
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varyingPos[i] = SSAInt(pos * SSAFloat((float)0x01000000), false);
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varyingStepPos[i] = SSAInt(stepPos * SSAFloat((float)0x01000000), false);
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varyingStartStepX[i] = SSAInt(startStepX * SSAFloat((float)0x01000000), false);
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varyingIncrStepX[i] = SSAInt(incrStepX * SSAFloat((float)0x01000000), false);
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}
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SSAFloat globVis = SSAFloat(1706.0f);
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@ -296,11 +306,8 @@ void DrawTriangleCodegen::LoopFullBlock(TriDrawVariant variant, bool truecolor)
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SSAInt varyingStep[TriVertex::NumVarying];
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for (int i = 0; i < TriVertex::NumVarying; i++)
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{
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SSAFloat pos = varyingTL[i] + varyingBL[i] * SSAFloat(iy);
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SSAFloat step = (varyingTR[i] + varyingBR[i] * SSAFloat(iy) - pos) * (1.0f / q);
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stack_varying[i].store(SSAInt((pos - SSAFloat::floor(pos)) * SSAFloat((float)0x100000000LL), true));
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varyingStep[i] = SSAInt(step * SSAFloat((float)0x100000000LL), true);
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stack_varying[i].store((varyingPos[i] + varyingStepPos[i] * iy) << 8);
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varyingStep[i] = (varyingStartStepX[i] + varyingIncrStepX[i] * iy) << 8;
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}
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stack_ix.store(SSAInt(0));
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@ -368,11 +375,8 @@ void DrawTriangleCodegen::LoopPartialBlock(TriDrawVariant variant, bool truecolo
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SSAInt varyingStep[TriVertex::NumVarying];
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for (int i = 0; i < TriVertex::NumVarying; i++)
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{
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SSAFloat pos = varyingTL[i] + varyingBL[i] * SSAFloat(iy);
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SSAFloat step = (varyingTR[i] + varyingBR[i] * SSAFloat(iy) - pos) * (1.0f / q);
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stack_varying[i].store(SSAInt((pos - SSAFloat::floor(pos)) * SSAFloat((float)0x100000000LL), true));
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varyingStep[i] = SSAInt(step * SSAFloat((float)0x100000000LL), true);
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stack_varying[i].store((varyingPos[i] + varyingStepPos[i] * iy) << 8);
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varyingStep[i] = (varyingStartStepX[i] + varyingIncrStepX[i] * iy) << 8;
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}
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stack_CX1.store(CY1);
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@ -116,10 +116,10 @@ private:
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SSAInt x, y;
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SSAInt x0, x1, y0, y1;
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SSAInt diminishedlight;
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SSAFloat varyingTL[TriVertex::NumVarying];
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SSAFloat varyingTR[TriVertex::NumVarying];
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SSAFloat varyingBL[TriVertex::NumVarying];
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SSAFloat varyingBR[TriVertex::NumVarying];
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SSAInt varyingPos[TriVertex::NumVarying];
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SSAInt varyingStepPos[TriVertex::NumVarying];
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SSAInt varyingStartStepX[TriVertex::NumVarying];
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SSAInt varyingIncrStepX[TriVertex::NumVarying];
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SSAUBytePtr StencilBlock;
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SSAIntPtr StencilBlockMask;
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