ShaderCombiner * CombinerInfo::_compile(u64 mux) const
{
gDPCombine combine;
combine.mux = mux;
int numCycles;
Combiner color, alpha;
numCycles = gDP.otherMode.cycleType + 1;
color.numStages = numCycles;
alpha.numStages = numCycles;
CombineCycle cc[2];
CombineCycle ac[2];
// Decode and expand the combine mode into a more general form
cc[1].sa = saRGBExpanded[combine.saRGB1];
cc[1].sb = sbRGBExpanded[combine.sbRGB1];
cc[1].m = mRGBExpanded[combine.mRGB1];
cc[1].a = aRGBExpanded[combine.aRGB1];
ac[1].sa = saAExpanded[combine.saA1];
ac[1].sb = sbAExpanded[combine.sbA1];
ac[1].m = mAExpanded[combine.mA1];
ac[1].a = aAExpanded[combine.aA1];
// Simplify each RDP combiner cycle into a combiner stage
if (gDP.otherMode.cycleType != G_CYC_2CYCLE) {
SimplifyCycle(&cc[1], &color.stage[0]);
SimplifyCycle(&ac[1], &alpha.stage[0]);
} else {
cc[0].sa = saRGBExpanded[combine.saRGB0];
cc[0].sb = sbRGBExpanded[combine.sbRGB0];
cc[0].m = mRGBExpanded[combine.mRGB0];
cc[0].a = aRGBExpanded[combine.aRGB0];
ac[0].sa = saAExpanded[combine.saA0];
ac[0].sb = sbAExpanded[combine.sbA0];
ac[0].m = mAExpanded[combine.mA0];
ac[0].a = aAExpanded[combine.aA0];
SimplifyCycle(&cc[0], &color.stage[0]);
SimplifyCycle(&ac[0], &alpha.stage[0]);
const bool equalStages = (memcmp(cc, cc + 1, sizeof(CombineCycle)) | memcmp(ac, ac + 1, sizeof(CombineCycle))) == 0;
if (!equalStages) {
SimplifyCycle(&cc[1], &color.stage[1]);
SimplifyCycle(&ac[1], &alpha.stage[1]);
} else {
color.numStages = 1;
alpha.numStages = 1;
}
}
return new ShaderCombiner( color, alpha, combine );
}
ShaderCombiner * CombinerInfo::_compile(uint64_t mux) const
{
gDPCombine combine;
combine.mux = mux;
int numCycles;
Combiner color, alpha;
numCycles = gDP.otherMode.cycleType + 1;
color.numStages = numCycles;
alpha.numStages = numCycles;
CombineCycle cc[2];
CombineCycle ac[2];
// Decode and expand the combine mode into a more general form
cc[1].sa = saRGBExpanded[combine.saRGB1];
cc[1].sb = sbRGBExpanded[combine.sbRGB1];
cc[1].m = mRGBExpanded[combine.mRGB1];
cc[1].a = aRGBExpanded[combine.aRGB1];
ac[1].sa = saAExpanded[combine.saA1];
ac[1].sb = sbAExpanded[combine.sbA1];
ac[1].m = mAExpanded[combine.mA1];
ac[1].a = aAExpanded[combine.aA1];
// Simplify each RDP combiner cycle into a combiner stage
if (gDP.otherMode.cycleType == G_CYC_1CYCLE) {
SimplifyCycle(&cc[1], &color.stage[0]);
SimplifyCycle(&ac[1], &alpha.stage[0]);
}
else {
cc[0].sa = saRGBExpanded[combine.saRGB0];
cc[0].sb = sbRGBExpanded[combine.sbRGB0];
cc[0].m = mRGBExpanded[combine.mRGB0];
cc[0].a = aRGBExpanded[combine.aRGB0];
ac[0].sa = saAExpanded[combine.saA0];
ac[0].sb = sbAExpanded[combine.sbA0];
ac[0].m = mAExpanded[combine.mA0];
ac[0].a = aAExpanded[combine.aA0];
SimplifyCycle(&cc[0], &color.stage[0]);
SimplifyCycle(&ac[0], &alpha.stage[0]);
SimplifyCycle(&cc[1], &color.stage[1]);
SimplifyCycle(&ac[1], &alpha.stage[1]);
}
return new ShaderCombiner( color, alpha, combine );
}