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Shader decompiler: Fix desitnation mask

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wheremyfoodat 2024-07-26 23:30:31 +03:00
parent 5eb15de431
commit a20982f78a
1 changed files with 7 additions and 8 deletions
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15
src/core/PICA/shader_decompiler.cpp
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@ -65,14 +65,15 @@ ExitMode ControlFlow::analyzeFunction(const PICAShader& shader, u32 start, u32 e
return it->second;
}
auto setExitMode = [&it](ExitMode mode) {
it->second = mode;
return it->second;
};
// Make sure not to go out of bounds on the shader
for (u32 pc = start; pc < PICAShader::maxInstructionCount && pc != end; pc++) {
const u32 instruction = shader.loadedShader[pc];
const u32 opcode = instruction >> 26;
auto setExitMode = [&it](ExitMode mode) {
it->second = mode;
return it->second;
};
switch (opcode) {
case ShaderOpcodes::JMPC:
@ -332,10 +333,8 @@ void ShaderDecompiler::setDest(u32 operandDescriptor, const std::string& dest, c
// Don't write destination swizzle if all lanes are getting written to
decompiledShader += fmt::format("{}{} = ", dest, writtenLaneCount == 4 ? "" : destSwizzle);
if (writtenLaneCount == 1) {
decompiledShader += "float(" + value + ");\n";
} else if (writtenLaneCount <= 3) { // We don't need to cast for vec4, as we guarantee the rhs will be a vec4
decompiledShader += fmt::format("vec{}({});\n", writtenLaneCount, value);
if (writtenLaneCount <= 3) {
decompiledShader += fmt::format("({}){};\n", value, destSwizzle);
} else if (writtenLaneCount == 4) {
decompiledShader += fmt::format("{};\n", value);
}