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author | bunnei <bunneidev@gmail.com> | 2015-10-07 00:21:28 +0200 |
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committer | bunnei <bunneidev@gmail.com> | 2015-10-22 03:53:17 +0200 |
commit | 4b5141954ebb2416c9de1996f155641cea46f60a (patch) | |
tree | 05cc284480f26b4b6dc9ce666f1f67927d3c2a53 /src/video_core/renderer_opengl/gl_shader_gen.cpp | |
parent | gl_shader_util: Cleanup header file + add docstring. (diff) | |
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Diffstat (limited to 'src/video_core/renderer_opengl/gl_shader_gen.cpp')
-rw-r--r-- | src/video_core/renderer_opengl/gl_shader_gen.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/video_core/renderer_opengl/gl_shader_gen.cpp b/src/video_core/renderer_opengl/gl_shader_gen.cpp index 4854c347e..5093710d4 100644 --- a/src/video_core/renderer_opengl/gl_shader_gen.cpp +++ b/src/video_core/renderer_opengl/gl_shader_gen.cpp @@ -11,6 +11,7 @@ using TevStageConfig = Regs::TevStageConfig; namespace GLShader { +/// Detects if a TEV stage is configured to be skipped (to avoid generating unnecessary code) static bool IsPassThroughTevStage(const TevStageConfig& stage) { return (stage.color_op == TevStageConfig::Operation::Replace && stage.alpha_op == TevStageConfig::Operation::Replace && @@ -22,6 +23,7 @@ static bool IsPassThroughTevStage(const TevStageConfig& stage) { stage.GetAlphaMultiplier() == 1); } +/// Writes the specified TEV stage source component(s) static void AppendSource(std::string& out, TevStageConfig::Source source, const std::string& index_name) { using Source = TevStageConfig::Source; @@ -62,6 +64,7 @@ static void AppendSource(std::string& out, TevStageConfig::Source source, } } +/// Writes the color components to use for the specified TEV stage color modifier static void AppendColorModifier(std::string& out, TevStageConfig::ColorModifier modifier, TevStageConfig::Source source, const std::string& index_name) { using ColorModifier = TevStageConfig::ColorModifier; @@ -118,6 +121,7 @@ static void AppendColorModifier(std::string& out, TevStageConfig::ColorModifier } } +/// Writes the alpha component to use for the specified TEV stage alpha modifier static void AppendAlphaModifier(std::string& out, TevStageConfig::AlphaModifier modifier, TevStageConfig::Source source, const std::string& index_name) { using AlphaModifier = TevStageConfig::AlphaModifier; @@ -165,6 +169,7 @@ static void AppendAlphaModifier(std::string& out, TevStageConfig::AlphaModifier } } +/// Writes the combiner function for the color components for the specified TEV stage operation static void AppendColorCombiner(std::string& out, TevStageConfig::Operation operation, const std::string& variable_name) { using Operation = TevStageConfig::Operation; @@ -201,6 +206,7 @@ static void AppendColorCombiner(std::string& out, TevStageConfig::Operation oper } } +/// Writes the combiner function for the alpha component for the specified TEV stage operation static void AppendAlphaCombiner(std::string& out, TevStageConfig::Operation operation, const std::string& variable_name) { using Operation = TevStageConfig::Operation; @@ -236,6 +242,7 @@ static void AppendAlphaCombiner(std::string& out, TevStageConfig::Operation oper } } +/// Writes the if-statement condition used to evaluate alpha testing static void AppendAlphaTestCondition(std::string& out, Regs::CompareFunc func) { using CompareFunc = Regs::CompareFunc; switch (func) { @@ -270,6 +277,7 @@ static void AppendAlphaTestCondition(std::string& out, Regs::CompareFunc func) { } } +/// Writes the code to emulate the specified TEV stage static void WriteTevStage(std::string& out, const ShaderCacheKey& config, unsigned index) { auto& stage = config.tev_stages[index]; if (!IsPassThroughTevStage(stage)) { |