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refactor(shader): emit structured phis natively

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This commit is contained in:
nmzik
2026-08-19 05:25:28 +02:00
parent d34e30d892
commit 49145c1902
11 changed files with 667 additions and 172 deletions
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src/graphics/shader/recompiler/backend/spirv/SpirvBuilder.h
+16 -8
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@@ -16,6 +16,11 @@ struct TypeAnnotation {
std::vector<uint32_t> operands;
};
struct DeferredPhi {
size_t word_offset = 0;
size_t incoming_count = 0;
};
class Builder {
public:
explicit Builder(uint32_t version = 0x00010300u);
@@ -36,14 +41,16 @@ public:
uint32_t DefineGlobalVariable(uint32_t pointer_type, uint32_t storage_class);
void DefineGlobalVariable(uint32_t id, uint32_t pointer_type, uint32_t storage_class);
void AddMemoryModel(std::initializer_list<uint32_t> operands);
void AddEntryPoint(uint32_t execution_model, uint32_t entry_point, const char* name,
const std::vector<uint32_t>& interfaces);
void AddExecutionMode(std::initializer_list<uint32_t> operands);
void AddName(uint32_t target, const char* name);
void AddAnnotation(std::initializer_list<uint32_t> words);
void AddFunction(std::initializer_list<uint32_t> words);
void AddFunction(const std::vector<uint32_t>& words);
void AddMemoryModel(std::initializer_list<uint32_t> operands);
void AddEntryPoint(uint32_t execution_model, uint32_t entry_point, const char* name,
const std::vector<uint32_t>& interfaces);
void AddExecutionMode(std::initializer_list<uint32_t> operands);
void AddName(uint32_t target, const char* name);
void AddAnnotation(std::initializer_list<uint32_t> words);
void AddFunction(std::initializer_list<uint32_t> words);
void AddFunction(const std::vector<uint32_t>& words);
DeferredPhi AddDeferredPhi(uint32_t type, uint32_t result, size_t incoming_count);
void PatchDeferredPhi(DeferredPhi phi, size_t incoming, uint32_t value, uint32_t parent);
[[nodiscard]] std::vector<uint32_t> Build() const;
@@ -74,6 +81,7 @@ private:
std::set<std::string> m_required_extensions;
std::map<std::string, uint32_t> m_import_ids;
std::map<std::vector<uint32_t>, uint32_t> m_declaration_ids;
size_t m_unpatched_phi_incomings = 0;
};
} // namespace Libs::Graphics::ShaderRecompiler::Spirv