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softgpu: Cleanup reapply logic.

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This makes more sense to read.
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Unknown W. Brackets 2022-12-02 21:42:57 -08:00
parent 4d92533907
commit 0c42e45e92
1 changed files with 17 additions and 9 deletions
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26
GPU/Software/Rasterizer.cpp
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@ -218,24 +218,28 @@ static RasterizerStateFlags DetectStateOptimizations(RasterizerState *state) {
auto &cached = pixelID.cached;
bool useTextureAlpha = state->enableTextures && state->samplerID.useTextureAlpha;
if (pixelID.alphaBlend && !useTextureAlpha) {
bool alphaBlend = pixelID.alphaBlend || (state->flags & RasterizerStateFlags::OPTIMIZED_BLEND_OFF);
if (alphaBlend && !useTextureAlpha) {
PixelBlendFactor src = pixelID.AlphaBlendSrc();
PixelBlendFactor dst = pixelID.AlphaBlendDst();
if (state->flags & RasterizerStateFlags::OPTIMIZED_BLEND_SRC)
src = PixelBlendFactor::SRCALPHA;
if (state->flags & RasterizerStateFlags::OPTIMIZED_BLEND_DST)
dst = PixelBlendFactor::INVSRCALPHA;
bool canZero = !(state->flags & RasterizerStateFlags::VERTEX_ALPHA_NON_ZERO);
bool canFull = !(state->flags & RasterizerStateFlags::VERTEX_ALPHA_NON_FULL);
// Okay, we may be able to convert this to a fixed value.
if (canZero || canFull) {
// If it was already set and we still can, set it again.
if (pixelID.AlphaBlendSrc() == PixelBlendFactor::SRCALPHA || (state->flags & RasterizerStateFlags::OPTIMIZED_BLEND_SRC))
if (src == PixelBlendFactor::SRCALPHA)
optimize |= RasterizerStateFlags::OPTIMIZED_BLEND_SRC;
if (pixelID.AlphaBlendDst() == PixelBlendFactor::INVSRCALPHA || (state->flags & RasterizerStateFlags::OPTIMIZED_BLEND_DST))
if (dst == PixelBlendFactor::INVSRCALPHA)
optimize |= RasterizerStateFlags::OPTIMIZED_BLEND_DST;
}
if (canFull && (pixelID.AlphaBlendSrc() == PixelBlendFactor::SRCALPHA || pixelID.AlphaBlendSrc() == PixelBlendFactor::ONE) && (pixelID.AlphaBlendDst() == PixelBlendFactor::INVSRCALPHA || pixelID.AlphaBlendDst() == PixelBlendFactor::ZERO)) {
if (canFull && (src == PixelBlendFactor::SRCALPHA || src == PixelBlendFactor::ONE) && (dst == PixelBlendFactor::INVSRCALPHA || dst == PixelBlendFactor::ZERO)) {
optimize |= RasterizerStateFlags::OPTIMIZED_BLEND_OFF;
}
} else if (!pixelID.alphaBlend && (state->flags & RasterizerStateFlags::OPTIMIZED_BLEND_OFF)) {
bool canFull = !(state->flags & RasterizerStateFlags::VERTEX_ALPHA_NON_FULL);
if (canFull)
optimize |= RasterizerStateFlags::OPTIMIZED_BLEND_OFF;
}
}
@ -245,7 +249,11 @@ static RasterizerStateFlags DetectStateOptimizations(RasterizerState *state) {
bool colorFull = !(state->flags & RasterizerStateFlags::VERTEX_NON_FULL_WHITE);
if (colorFull && (!useTextureAlpha || alphaFull)) {
// Modulate is common, sometimes even with a fixed color. Replace is cheaper.
if (state->samplerID.TexFunc() == GE_TEXFUNC_MODULATE || (state->flags & RasterizerStateFlags::OPTIMIZED_TEXREPLACE))
GETexFunc texFunc = state->samplerID.TexFunc();
if (state->flags & RasterizerStateFlags::OPTIMIZED_TEXREPLACE)
texFunc = GE_TEXFUNC_MODULATE;
if (texFunc == GE_TEXFUNC_MODULATE)
optimize |= RasterizerStateFlags::OPTIMIZED_TEXREPLACE;
}
}