diff options
Diffstat (limited to '')
-rw-r--r-- | src/video_core/renderer_opengl/gl_shader_decompiler.cpp | 31 |
1 files changed, 27 insertions, 4 deletions
diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp index f2d0722af..afcc06afc 100644 --- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp +++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp @@ -143,6 +143,24 @@ u32 GetGenericAttributeIndex(Attribute::Index index) { return static_cast<u32>(index) - static_cast<u32>(Attribute::Index::Attribute_0); } +constexpr const char* GetFlowStackPrefix(MetaStackClass stack) { + switch (stack) { + case MetaStackClass::Ssy: + return "ssy"; + case MetaStackClass::Pbk: + return "pbk"; + } + return {}; +} + +std::string FlowStackName(MetaStackClass stack) { + return fmt::format("{}_flow_stack", GetFlowStackPrefix(stack)); +} + +std::string FlowStackTopName(MetaStackClass stack) { + return fmt::format("{}_flow_stack_top", GetFlowStackPrefix(stack)); +} + class GLSLDecompiler final { public: explicit GLSLDecompiler(const Device& device, const ShaderIR& ir, ShaderStage stage, @@ -173,8 +191,10 @@ public: // TODO(Subv): Figure out the actual depth of the flow stack, for now it seems // unlikely that shaders will use 20 nested SSYs and PBKs. constexpr u32 FLOW_STACK_SIZE = 20; - code.AddLine("uint flow_stack[{}];", FLOW_STACK_SIZE); - code.AddLine("uint flow_stack_top = 0u;"); + for (const auto stack : std::array{MetaStackClass::Ssy, MetaStackClass::Pbk}) { + code.AddLine("uint {}[{}];", FlowStackName(stack), FLOW_STACK_SIZE); + code.AddLine("uint {} = 0u;", FlowStackTopName(stack)); + } code.AddLine("while (true) {{"); ++code.scope; @@ -1438,15 +1458,18 @@ private: } std::string PushFlowStack(Operation operation) { + const auto stack = std::get<MetaStackClass>(operation.GetMeta()); const auto target = std::get_if<ImmediateNode>(&*operation[0]); UNIMPLEMENTED_IF(!target); - code.AddLine("flow_stack[flow_stack_top++] = 0x{:x}u;", target->GetValue()); + code.AddLine("{}[{}++] = 0x{:x}u;", FlowStackName(stack), FlowStackTopName(stack), + target->GetValue()); return {}; } std::string PopFlowStack(Operation operation) { - code.AddLine("jmp_to = flow_stack[--flow_stack_top];"); + const auto stack = std::get<MetaStackClass>(operation.GetMeta()); + code.AddLine("jmp_to = {}[--{}];", FlowStackName(stack), FlowStackTopName(stack)); code.AddLine("break;"); return {}; } |