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[dxbc] Fixed bug with constant vector operands

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This commit is contained in:
Philip Rebohle 2017-12-18 18:02:15 +01:00
parent 6cc3ff4ad8
commit 13d4a3d87d
1 changed files with 19 additions and 11 deletions
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26
src/dxbc/dxbc_compiler.cpp
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@ -1712,19 +1712,27 @@ namespace dxvk {
result.type.ccount = 1;
result.id = m_module.constu32(reg.imm.u32_1);
} else if (reg.componentCount == DxbcComponentCount::Component4) {
// Create a four-component u32 vector
std::array<uint32_t, 4> indices = {
m_module.constu32(reg.imm.u32_4[0]),
m_module.constu32(reg.imm.u32_4[1]),
m_module.constu32(reg.imm.u32_4[2]),
m_module.constu32(reg.imm.u32_4[3]),
};
// Create a u32 vector with as many components as needed
std::array<uint32_t, 4> indices;
uint32_t indexId = 0;
for (uint32_t i = 0; i < indices.size(); i++) {
if (writeMask[i]) {
indices.at(indexId++) =
m_module.constu32(reg.imm.u32_4[i]);
}
}
result.type.ctype = DxbcScalarType::Uint32;
result.type.ccount = 4;
result.type.ccount = writeMask.setCount();
result.id = indices.at(0);
if (indexId > 1) {
result.id = m_module.constComposite(
getVectorTypeId(result.type),
indices.size(), indices.data());
result.type.ccount, indices.data());
}
} else {
// Something went horribly wrong in the decoder or the shader is broken
throw DxvkError("DxbcCompiler: Invalid component count for immediate operand");