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SPIR-V: Hack in OpSelectionMerge as hints to NVidia's shader compiler (TODO: Make a Shader Compiler)

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This commit is contained in:
Dr. Chat
2016-04-13 23:17:03 -05:00
parent 2bd603bf18
commit 9b2e2a7275
4 changed files with 88 additions and 42 deletions
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10
src/xenia/gpu/spirv_shader_translator.h
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@@ -55,7 +55,8 @@ class SpirvShaderTranslator : public ShaderTranslator {
std::vector<uint8_t> CompleteTranslation() override;
void PostTranslation(Shader* shader) override;
void PreProcessControlFlowInstruction(uint32_t cf_index) override;
void PreProcessControlFlowInstruction(
uint32_t cf_index, const ucode::ControlFlowInstruction& instr) override;
void ProcessLabel(uint32_t cf_index) override;
void ProcessControlFlowInstructionBegin(uint32_t cf_index) override;
void ProcessControlFlowInstructionEnd(uint32_t cf_index) override;
@@ -133,7 +134,12 @@ class SpirvShaderTranslator : public ShaderTranslator {
// Map of {binding -> {offset -> spv input}}
std::map<uint32_t, std::map<uint32_t, spv::Id>> vertex_binding_map_;
std::map<uint32_t, spv::Block*> cf_blocks_;
struct CFBlock {
spv::Block* block = nullptr;
bool prev_dominates = true;
};
std::map<uint32_t, CFBlock> cf_blocks_;
};
} // namespace gpu