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Merge pull request #3978 from ReinUsesLisp/write-rz

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shader_decompiler: Visit source nodes even when they assign to RZ
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bunnei 2020-05-25 21:31:33 -04:00 committed by GitHub
commit 86345c126a
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2 changed files with 7 additions and 4 deletions
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4
src/video_core/renderer_opengl/gl_shader_decompiler.cpp
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@ -1538,7 +1538,9 @@ private:
Expression target;
if (const auto gpr = std::get_if<GprNode>(&*dest)) {
if (gpr->GetIndex() == Register::ZeroIndex) {
// Writing to Register::ZeroIndex is a no op
// Writing to Register::ZeroIndex is a no op but we still have to visit the source
// as it might have side effects.
code.AddLine("{};", Visit(src).GetCode());
return {};
}
target = {GetRegister(gpr->GetIndex()), Type::Float};

7
src/video_core/renderer_vulkan/vk_shader_decompiler.cpp
View file

@ -1081,8 +1081,7 @@ private:
void VisitBasicBlock(const NodeBlock& bb) {
for (const auto& node : bb) {
[[maybe_unused]] const Type type = Visit(node).type;
ASSERT(type == Type::Void);
Visit(node);
}
}
@ -1372,7 +1371,9 @@ private:
Expression target{};
if (const auto gpr = std::get_if<GprNode>(&*dest)) {
if (gpr->GetIndex() == Register::ZeroIndex) {
// Writing to Register::ZeroIndex is a no op
// Writing to Register::ZeroIndex is a no op but we still have to visit its source
// because it might have side effects.
Visit(src);
return {};
}
target = {registers.at(gpr->GetIndex()), Type::Float};