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author | FernandoS27 <fsahmkow27@gmail.com> | 2018-10-23 03:50:03 +0200 |
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committer | FernandoS27 <fsahmkow27@gmail.com> | 2018-10-23 21:08:00 +0200 |
commit | ed8ca608a040dbd50e9ade22f57cb9b3a350aa63 (patch) | |
tree | f1b13ff6c1f6034a699875d7b17f5a913003d398 /src/video_core | |
parent | Merge pull request #1552 from FearlessTobi/port-4336 (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/video_core/engines/shader_bytecode.h | 1 | ||||
-rw-r--r-- | src/video_core/renderer_opengl/gl_shader_decompiler.cpp | 29 | ||||
-rw-r--r-- | src/video_core/renderer_opengl/gl_shader_gen.cpp | 3 |
3 files changed, 28 insertions, 5 deletions
diff --git a/src/video_core/engines/shader_bytecode.h b/src/video_core/engines/shader_bytecode.h index 6cd08d28b..af7756266 100644 --- a/src/video_core/engines/shader_bytecode.h +++ b/src/video_core/engines/shader_bytecode.h @@ -79,6 +79,7 @@ union Attribute { constexpr explicit Attribute(u64 value) : value(value) {} enum class Index : u64 { + PointSize = 6, Position = 7, Attribute_0 = 8, Attribute_31 = 39, diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp index fe4d1bd83..81ffb24e4 100644 --- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp +++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp @@ -6,6 +6,7 @@ #include <set> #include <string> #include <string_view> +#include <unordered_set> #include <boost/optional.hpp> #include <fmt/format.h> @@ -276,7 +277,8 @@ public: GLSLRegisterManager(ShaderWriter& shader, ShaderWriter& declarations, const Maxwell3D::Regs::ShaderStage& stage, const std::string& suffix, const Tegra::Shader::Header& header) - : shader{shader}, declarations{declarations}, stage{stage}, suffix{suffix}, header{header} { + : shader{shader}, declarations{declarations}, stage{stage}, suffix{suffix}, header{header}, + fixed_pipeline_output_attributes_used{} { BuildRegisterList(); BuildInputList(); } @@ -480,7 +482,12 @@ public: std::to_string(static_cast<u32>(attribute)) + ']' + GetSwizzle(elem) + " = " + src + ';'); } else { - shader.AddLine(dest + GetSwizzle(elem) + " = " + src + ';'); + if (attribute == Attribute::Index::PointSize) { + fixed_pipeline_output_attributes_used.insert(attribute); + shader.AddLine(dest + " = " + src + ';'); + } else { + shader.AddLine(dest + GetSwizzle(elem) + " = " + src + ';'); + } } } } @@ -524,6 +531,7 @@ public: /// Add declarations. void GenerateDeclarations(const std::string& suffix) { + GenerateVertex(); GenerateRegisters(suffix); GenerateInternalFlags(); GenerateInputAttrs(); @@ -683,6 +691,20 @@ private: declarations.AddNewLine(); } + void GenerateVertex() { + if (stage != Maxwell3D::Regs::ShaderStage::Vertex) + return; + declarations.AddLine("out gl_PerVertex {"); + ++declarations.scope; + declarations.AddLine("vec4 gl_Position;"); + for (auto& o : fixed_pipeline_output_attributes_used) { + if (o == Attribute::Index::PointSize) + declarations.AddLine("float gl_PointSize;"); + } + --declarations.scope; + declarations.AddLine("};"); + } + /// Generates code representing a temporary (GPR) register. std::string GetRegister(const Register& reg, unsigned elem) { if (reg == Register::ZeroIndex) { @@ -836,6 +858,8 @@ private: /// Generates code representing the declaration name of an output attribute register. std::string GetOutputAttribute(Attribute::Index attribute) { switch (attribute) { + case Attribute::Index::PointSize: + return "gl_PointSize"; case Attribute::Index::Position: return "position"; default: @@ -870,6 +894,7 @@ private: const Maxwell3D::Regs::ShaderStage& stage; const std::string& suffix; const Tegra::Shader::Header& header; + std::unordered_set<Attribute::Index> fixed_pipeline_output_attributes_used; }; class GLSLGenerator { diff --git a/src/video_core/renderer_opengl/gl_shader_gen.cpp b/src/video_core/renderer_opengl/gl_shader_gen.cpp index e883ffb1d..dfb562706 100644 --- a/src/video_core/renderer_opengl/gl_shader_gen.cpp +++ b/src/video_core/renderer_opengl/gl_shader_gen.cpp @@ -19,9 +19,6 @@ ProgramResult GenerateVertexShader(const ShaderSetup& setup) { out += Decompiler::GetCommonDeclarations(); out += R"( -out gl_PerVertex { - vec4 gl_Position; -}; layout (location = 0) out vec4 position; |