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softgpu: Cache alpha/stencil test masks in state.

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Unknown W. Brackets 2022-01-15 11:46:07 -08:00
parent acad2640dd
commit aa9d751248
4 changed files with 31 additions and 26 deletions
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31
GPU/Software/DrawPixelX86.cpp
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@ -425,14 +425,13 @@ bool PixelJitCache::Jit_AlphaTest(const PixelFuncID &id) {
}
if (id.hasAlphaTestMask) {
// Unfortunate, we'll need gstate to load the mask.
// Unfortunate, we'll need pixelID to load the mask.
// Note: we leave the ALPHA purpose untouched and free it, because later code may reuse.
X64Reg gstateReg = GetGState();
X64Reg idReg = GetPixelID();
X64Reg maskedReg = regCache_.Alloc(RegCache::GEN_TEMP0);
// The mask is >> 16, so we load + 2.
MOVZX(32, 8, maskedReg, MDisp(gstateReg, offsetof(GPUgstate, alphatest) + 2));
regCache_.Unlock(gstateReg, RegCache::GEN_GSTATE);
MOVZX(32, 8, maskedReg, MDisp(idReg, offsetof(PixelFuncID, cached.alphaTestMask)));
UnlockPixelID(idReg);
AND(32, R(maskedReg), R(alphaReg));
regCache_.Unlock(alphaReg, RegCache::GEN_SRC_ALPHA);
@ -642,11 +641,11 @@ bool PixelJitCache::Jit_StencilAndDepthTest(const PixelFuncID &id) {
Describe("StencilAndDepth");
X64Reg maskedReg = stencilReg;
if (id.hasStencilTestMask) {
X64Reg gstateReg = GetGState();
X64Reg idReg = GetPixelID();
maskedReg = regCache_.Alloc(RegCache::GEN_TEMP0);
MOV(32, R(maskedReg), R(stencilReg));
AND(8, R(maskedReg), MDisp(gstateReg, offsetof(GPUgstate, stenciltest) + 2));
regCache_.Unlock(gstateReg, RegCache::GEN_GSTATE);
AND(8, R(maskedReg), MDisp(idReg, offsetof(PixelFuncID, cached.stencilTestMask)));
UnlockPixelID(idReg);
}
bool success = true;
@ -738,7 +737,6 @@ bool PixelJitCache::Jit_StencilTest(const PixelFuncID &id, RegCache::Reg stencil
return true;
}
bool hadGStateReg = regCache_.Has(RegCache::GEN_GSTATE);
bool hadColorOffReg = regCache_.Has(RegCache::GEN_COLOR_OFF);
bool hadIdReg = regCache_.Has(RegCache::GEN_ID);
@ -751,9 +749,7 @@ bool PixelJitCache::Jit_StencilTest(const PixelFuncID &id, RegCache::Reg stencil
Discard();
}
// If we allocated either gstate or colorOff in the conditional, forget.
if (!hadGStateReg && regCache_.Has(RegCache::GEN_GSTATE))
regCache_.Change(RegCache::GEN_GSTATE, RegCache::GEN_INVALID);
// If we allocated either id or colorOff in the conditional, forget.
if (!hadColorOffReg && regCache_.Has(RegCache::GEN_COLOR_OFF))
regCache_.Change(RegCache::GEN_COLOR_OFF, RegCache::GEN_INVALID);
if (!hadIdReg && regCache_.Has(RegCache::GEN_ID))
@ -816,7 +812,6 @@ bool PixelJitCache::Jit_DepthTestForStencil(const PixelFuncID &id, RegCache::Reg
break;
}
bool hadGStateReg = regCache_.Has(RegCache::GEN_GSTATE);
bool hadColorOffReg = regCache_.Has(RegCache::GEN_COLOR_OFF);
bool hadIdReg = regCache_.Has(RegCache::GEN_ID);
@ -825,9 +820,7 @@ bool PixelJitCache::Jit_DepthTestForStencil(const PixelFuncID &id, RegCache::Reg
success = success && Jit_WriteStencilOnly(id, stencilReg);
Discard();
// If we allocated either gstate or colorOff in the conditional, forget.
if (!hadGStateReg && regCache_.Has(RegCache::GEN_GSTATE))
regCache_.Change(RegCache::GEN_GSTATE, RegCache::GEN_INVALID);
// If we allocated either id or colorOff in the conditional, forget.
if (!hadColorOffReg && regCache_.Has(RegCache::GEN_COLOR_OFF))
regCache_.Change(RegCache::GEN_COLOR_OFF, RegCache::GEN_INVALID);
if (!hadIdReg && regCache_.Has(RegCache::GEN_ID))
@ -859,9 +852,9 @@ bool PixelJitCache::Jit_ApplyStencilOp(const PixelFuncID &id, GEStencilOp op, Re
case GE_STENCILOP_REPLACE:
if (id.hasStencilTestMask) {
// Load the unmasked value.
X64Reg gstateReg = GetGState();
MOVZX(32, 8, stencilReg, MDisp(gstateReg, offsetof(GPUgstate, stenciltest) + 1));
regCache_.Unlock(gstateReg, RegCache::GEN_GSTATE);
X64Reg idReg = GetPixelID();
MOVZX(32, 8, stencilReg, MDisp(idReg, offsetof(PixelFuncID, cached.stencilRef)));
UnlockPixelID(idReg);
} else {
MOV(8, R(stencilReg), Imm8(id.stencilTestRef));
}