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Add ShaderId utility function to be used for some sanity checking.

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Henrik Rydgård committed 2022-10-13 22:39:47 +02:00
1 parent 4d1da5859c
commit a605366254
2 files changed
+12 -3
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GPU/Common/ShaderId.cpp
+9 -3
View File
@@ -255,6 +255,12 @@ std::string FragmentShaderDesc(const FShaderID &id) {
return desc.str();
}
bool FragmentIdNeedsFramebufferRead(const FShaderID &id) {
return id.Bit(FS_BIT_COLOR_WRITEMASK) ||
id.Bits(FS_BIT_REPLACE_LOGIC_OP, 4) != GE_LOGIC_COPY ||
(ReplaceBlendType)id.Bits(FS_BIT_REPLACE_BLEND, 3) == REPLACE_BLEND_READ_FRAMEBUFFER;
}
// Here we must take all the bits of the gstate that determine what the fragment shader will
// look like, and concatenate them together into an ID.
void ComputeFragmentShaderID(FShaderID *id_out, const ComputedPipelineState &pipelineState, const Draw::Bugs &bugs) {
@@ -276,12 +282,12 @@ void ComputeFragmentShaderID(FShaderID *id_out, const ComputedPipelineState &pip
ShaderDepalMode shaderDepalMode = gstate_c.shaderDepalMode;
bool colorWriteMask = pipelineState.maskState.applyFramebufferRead;
ReplaceBlendType replaceBlend = pipelineState.blendState.replaceBlend;
ReplaceAlphaType stencilToAlpha = pipelineState.blendState.replaceAlphaWithStencil;
SimulateLogicOpType simulateLogicOpType = pipelineState.blendState.simulateLogicOpType;
GELogicOp replaceLogicOpType = pipelineState.logicState.applyFramebufferRead ? pipelineState.logicState.logicOp : GE_LOGIC_COPY;
SimulateLogicOpType simulateLogicOpType = pipelineState.blendState.simulateLogicOpType;
ReplaceAlphaType stencilToAlpha = pipelineState.blendState.replaceAlphaWithStencil;
// All texfuncs except replace are the same for RGB as for RGBA with full alpha.
// Note that checking this means that we must dirty the fragment shader ID whenever textureFullAlpha changes.
if (gstate_c.textureFullAlpha && gstate.getTextureFunction() != GE_TEXFUNC_REPLACE) {
GPU/Common/ShaderId.h
+3
View File
@@ -284,3 +284,6 @@ std::string FragmentShaderDesc(const FShaderID &id);
void ComputeGeometryShaderID(GShaderID *id, const Draw::Bugs &bugs, int prim);
std::string GeometryShaderDesc(const GShaderID &id);
// For sanity checking.
bool FragmentIdNeedsFramebufferRead(const FShaderID &id);