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Minor variable optimization

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This commit is contained in:
Magnus Norddahl 2016-11-13 15:43:54 +01:00
parent 411eb57952
commit f25579849a
1 changed files with 10 additions and 19 deletions
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29
src/r_compiler/fixedfunction/drawtrianglecodegen.cpp
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@ -284,8 +284,8 @@ void DrawTriangleCodegen::LoopFullBlock(TriDrawVariant variant, bool truecolor)
int pixelsize = truecolor ? 4 : 1;
stack_iy.store(SSAInt(0));
stack_buffer.store(dest);
stack_subsectorbuffer.store(subsectorGBuffer);
stack_buffer.store(dest[x * pixelsize]);
stack_subsectorbuffer.store(subsectorGBuffer[x]);
SSAForBlock loopy;
SSAInt iy = stack_iy.load();
@ -303,32 +303,26 @@ void DrawTriangleCodegen::LoopFullBlock(TriDrawVariant variant, bool truecolor)
varyingStep[i] = SSAInt(step * SSAFloat((float)0x100000000LL), true);
}
stack_ix.store(x);
stack_ix.store(SSAInt(0));
SSAForBlock loopx;
SSAInt ix = stack_ix.load();
SSAInt varying[TriVertex::NumVarying];
for (int i = 0; i < TriVertex::NumVarying; i++)
varying[i] = stack_varying[i].load();
loopx.loop_block(ix < x + q, q);
loopx.loop_block(ix < SSAInt(q), q);
{
if (variant == TriDrawVariant::DrawSubsector)
{
SSAIfBlock branch;
branch.if_block(subsectorbuffer[ix].load(true) >= subsectorDepth);
{
if (truecolor)
ProcessPixel(buffer[ix * 4], subsectorbuffer[ix], varying, variant, truecolor);
else
ProcessPixel(buffer[ix], subsectorbuffer[ix], varying, variant, truecolor);
ProcessPixel(buffer[ix * pixelsize], subsectorbuffer[ix], varying, variant, truecolor);
}
branch.end_block();
}
else
{
if (truecolor)
ProcessPixel(buffer[ix * 4], subsectorbuffer[ix], varying, variant, truecolor);
else
ProcessPixel(buffer[ix], subsectorbuffer[ix], varying, variant, truecolor);
ProcessPixel(buffer[ix * pixelsize], subsectorbuffer[ix], varying, variant, truecolor);
}
for (int i = 0; i < TriVertex::NumVarying; i++)
@ -359,8 +353,8 @@ void DrawTriangleCodegen::LoopPartialBlock(TriDrawVariant variant, bool truecolo
stack_CY2.store(C2 + DX23 * y0 - DY23 * x0);
stack_CY3.store(C3 + DX31 * y0 - DY31 * x0);
stack_iy.store(SSAInt(0));
stack_buffer.store(dest);
stack_subsectorbuffer.store(subsectorGBuffer);
stack_buffer.store(dest[x * pixelsize]);
stack_subsectorbuffer.store(subsectorGBuffer[x]);
SSAForBlock loopy;
SSAInt iy = stack_iy.load();
@ -401,7 +395,7 @@ void DrawTriangleCodegen::LoopPartialBlock(TriDrawVariant variant, bool truecolo
if (variant == TriDrawVariant::DrawSubsector)
{
covered = covered && subsectorbuffer[ix + x].load(true) >= subsectorDepth;
covered = covered && subsectorbuffer[ix].load(true) >= subsectorDepth;
}
else
{
@ -417,10 +411,7 @@ void DrawTriangleCodegen::LoopPartialBlock(TriDrawVariant variant, bool truecolo
}
else
{
if (truecolor)
ProcessPixel(buffer[(ix + x) * 4], subsectorbuffer[ix + x], varying, variant, truecolor);
else
ProcessPixel(buffer[ix + x], subsectorbuffer[ix + x], varying, variant, truecolor);
ProcessPixel(buffer[ix * pixelsize], subsectorbuffer[ix], varying, variant, truecolor);
}
}
branch.end_block();