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softpu: Refactor out 5551 fast path checks.

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They were duplicated, and better to organize them according to state.
This commit is contained in:
Unknown W. Brackets 2022-09-24 18:04:23 -07:00
parent f30b1d048d
commit 1eeb4f0bcf
1 changed files with 43 additions and 49 deletions
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92
GPU/Software/RasterizerRectangle.cpp
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@ -49,6 +49,47 @@ inline void DrawSinglePixel5551(u16 *pixel, const u32 color_in, const PixelFuncI
*pixel = RGBA8888ToRGBA5551(new_color);
}
// Check if we can safely ignore the alpha test, assuming standard alpha blending.
static inline bool AlphaTestIsNeedless(const PixelFuncID &pixelID) {
switch (pixelID.AlphaTestFunc()) {
case GE_COMP_NEVER:
case GE_COMP_EQUAL:
case GE_COMP_LESS:
case GE_COMP_LEQUAL:
return false;
case GE_COMP_ALWAYS:
return true;
case GE_COMP_NOTEQUAL:
case GE_COMP_GREATER:
case GE_COMP_GEQUAL:
if (pixelID.alphaTestRef != 0 || pixelID.hasAlphaTestMask)
return false;
return true;
}
return false;
}
bool UseDrawSinglePixel5551(const PixelFuncID &pixelID) {
if (pixelID.clearMode || pixelID.colorTest || pixelID.stencilTest)
return false;
if (!AlphaTestIsNeedless(pixelID) || pixelID.DepthTestFunc() != GE_COMP_ALWAYS)
return false;
if (pixelID.FBFormat() != GE_FORMAT_5551 || !pixelID.alphaBlend)
return false;
// We skip blending when alpha = FF, so we can't allow other blend modes.
if (pixelID.AlphaBlendEq() != GE_BLENDMODE_MUL_AND_ADD || pixelID.AlphaBlendSrc() != PixelBlendFactor::SRCALPHA)
return false;
if (pixelID.AlphaBlendDst() != PixelBlendFactor::INVSRCALPHA)
return false;
if (pixelID.dithering || pixelID.applyLogicOp || pixelID.applyColorWriteMask)
return false;
return true;
}
static inline Vec4IntResult SOFTRAST_CALL ModulateRGBA(Vec4IntArg prim_in, Vec4IntArg texcolor_in, const SamplerID &samplerID) {
Vec4<int> out;
Vec4<int> prim_color = prim_in;
@ -79,29 +120,6 @@ static inline Vec4IntResult SOFTRAST_CALL ModulateRGBA(Vec4IntArg prim_in, Vec4I
return ToVec4IntResult(out);
}
// Check if we can safely ignore the alpha test, assuming standard alpha blending.
static inline bool AlphaTestIsNeedless(const PixelFuncID &pixelID) {
switch (pixelID.AlphaTestFunc()) {
case GE_COMP_NEVER:
case GE_COMP_EQUAL:
case GE_COMP_LESS:
case GE_COMP_LEQUAL:
return false;
case GE_COMP_ALWAYS:
return true;
case GE_COMP_NOTEQUAL:
case GE_COMP_GREATER:
case GE_COMP_GEQUAL:
if (pixelID.alphaTestRef != 0 || pixelID.hasAlphaTestMask)
return false;
return true;
}
return false;
}
void DrawSprite(const VertexData &v0, const VertexData &v1, const BinCoords &range, const RasterizerState &state) {
const u8 *texptr = state.texptr[0];
@ -155,20 +173,7 @@ void DrawSprite(const VertexData &v0, const VertexData &v1, const BinCoords &ran
pos0.y = scissorTL.y;
}
if (!pixelID.stencilTest &&
pixelID.DepthTestFunc() == GE_COMP_ALWAYS &&
!pixelID.applyLogicOp &&
!pixelID.colorTest &&
!pixelID.dithering &&
pixelID.alphaBlend &&
pixelID.AlphaBlendEq() == GE_BLENDMODE_MUL_AND_ADD &&
pixelID.AlphaBlendSrc() == PixelBlendFactor::SRCALPHA &&
pixelID.AlphaBlendDst() == PixelBlendFactor::INVSRCALPHA &&
AlphaTestIsNeedless(pixelID) &&
samplerID.useTextureAlpha &&
samplerID.TexFunc() == GE_TEXFUNC_MODULATE &&
!pixelID.applyColorWriteMask &&
pixelID.FBFormat() == GE_FORMAT_5551) {
if (UseDrawSinglePixel5551(pixelID) && samplerID.TexFunc() == GE_TEXFUNC_MODULATE && samplerID.useTextureAlpha) {
if (isWhite) {
int t = t_start;
for (int y = pos0.y; y < pos1.y; y++) {
@ -246,18 +251,7 @@ void DrawSprite(const VertexData &v0, const VertexData &v1, const BinCoords &ran
if (pos1.y > scissorBR.y) pos1.y = scissorBR.y + 1;
if (pos0.x < scissorTL.x) pos0.x = scissorTL.x;
if (pos0.y < scissorTL.y) pos0.y = scissorTL.y;
if (!pixelID.stencilTest &&
pixelID.DepthTestFunc() == GE_COMP_ALWAYS &&
!pixelID.applyLogicOp &&
!pixelID.colorTest &&
!pixelID.dithering &&
pixelID.alphaBlend &&
pixelID.AlphaBlendEq() == GE_BLENDMODE_MUL_AND_ADD &&
pixelID.AlphaBlendSrc() == PixelBlendFactor::SRCALPHA &&
pixelID.AlphaBlendDst() == PixelBlendFactor::INVSRCALPHA &&
AlphaTestIsNeedless(pixelID) &&
!pixelID.applyColorWriteMask &&
pixelID.FBFormat() == GE_FORMAT_5551) {
if (UseDrawSinglePixel5551(pixelID)) {
if (Vec4<int>::FromRGBA(v1.color0).a() == 0)
return;