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Merge pull request #1024 from Subv/blend_gl
GPU/Maxwell3D: Implemented an alternative set of blend factors.
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commit
f2c7b5dcd6
@ -357,6 +357,27 @@ public:
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OneMinusConstantColor = 0x62,
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ConstantAlpha = 0x63,
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OneMinusConstantAlpha = 0x64,
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// These values are used by Nouveau and some games.
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ZeroGL = 0x4000,
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OneGL = 0x4001,
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SourceColorGL = 0x4300,
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OneMinusSourceColorGL = 0x4301,
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SourceAlphaGL = 0x4302,
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OneMinusSourceAlphaGL = 0x4303,
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DestAlphaGL = 0x4304,
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OneMinusDestAlphaGL = 0x4305,
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DestColorGL = 0x4306,
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OneMinusDestColorGL = 0x4307,
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SourceAlphaSaturateGL = 0x4308,
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ConstantColorGL = 0xc001,
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OneMinusConstantColorGL = 0xc002,
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ConstantAlphaGL = 0xc003,
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OneMinusConstantAlphaGL = 0xc004,
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Source1ColorGL = 0xc900,
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OneMinusSource1ColorGL = 0xc901,
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Source1AlphaGL = 0xc902,
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OneMinusSource1AlphaGL = 0xc903,
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};
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u32 separate_alpha;
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@ -156,42 +156,61 @@ inline GLenum BlendEquation(Maxwell::Blend::Equation equation) {
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inline GLenum BlendFunc(Maxwell::Blend::Factor factor) {
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switch (factor) {
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case Maxwell::Blend::Factor::Zero:
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case Maxwell::Blend::Factor::ZeroGL:
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return GL_ZERO;
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case Maxwell::Blend::Factor::One:
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case Maxwell::Blend::Factor::OneGL:
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return GL_ONE;
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case Maxwell::Blend::Factor::SourceColor:
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case Maxwell::Blend::Factor::SourceColorGL:
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return GL_SRC_COLOR;
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case Maxwell::Blend::Factor::OneMinusSourceColor:
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case Maxwell::Blend::Factor::OneMinusSourceColorGL:
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return GL_ONE_MINUS_SRC_COLOR;
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case Maxwell::Blend::Factor::SourceAlpha:
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case Maxwell::Blend::Factor::SourceAlphaGL:
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return GL_SRC_ALPHA;
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case Maxwell::Blend::Factor::OneMinusSourceAlpha:
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case Maxwell::Blend::Factor::OneMinusSourceAlphaGL:
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return GL_ONE_MINUS_SRC_ALPHA;
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case Maxwell::Blend::Factor::DestAlpha:
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case Maxwell::Blend::Factor::DestAlphaGL:
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return GL_DST_ALPHA;
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case Maxwell::Blend::Factor::OneMinusDestAlpha:
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case Maxwell::Blend::Factor::OneMinusDestAlphaGL:
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return GL_ONE_MINUS_DST_ALPHA;
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case Maxwell::Blend::Factor::DestColor:
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case Maxwell::Blend::Factor::DestColorGL:
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return GL_DST_COLOR;
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case Maxwell::Blend::Factor::OneMinusDestColor:
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case Maxwell::Blend::Factor::OneMinusDestColorGL:
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return GL_ONE_MINUS_DST_COLOR;
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case Maxwell::Blend::Factor::SourceAlphaSaturate:
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case Maxwell::Blend::Factor::SourceAlphaSaturateGL:
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return GL_SRC_ALPHA_SATURATE;
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case Maxwell::Blend::Factor::Source1Color:
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case Maxwell::Blend::Factor::Source1ColorGL:
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return GL_SRC1_COLOR;
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case Maxwell::Blend::Factor::OneMinusSource1Color:
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case Maxwell::Blend::Factor::OneMinusSource1ColorGL:
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return GL_ONE_MINUS_SRC1_COLOR;
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case Maxwell::Blend::Factor::Source1Alpha:
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case Maxwell::Blend::Factor::Source1AlphaGL:
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return GL_SRC1_ALPHA;
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case Maxwell::Blend::Factor::OneMinusSource1Alpha:
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case Maxwell::Blend::Factor::OneMinusSource1AlphaGL:
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return GL_ONE_MINUS_SRC1_ALPHA;
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case Maxwell::Blend::Factor::ConstantColor:
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case Maxwell::Blend::Factor::ConstantColorGL:
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return GL_CONSTANT_COLOR;
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case Maxwell::Blend::Factor::OneMinusConstantColor:
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case Maxwell::Blend::Factor::OneMinusConstantColorGL:
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return GL_ONE_MINUS_CONSTANT_COLOR;
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case Maxwell::Blend::Factor::ConstantAlpha:
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case Maxwell::Blend::Factor::ConstantAlphaGL:
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return GL_CONSTANT_ALPHA;
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case Maxwell::Blend::Factor::OneMinusConstantAlpha:
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case Maxwell::Blend::Factor::OneMinusConstantAlphaGL:
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return GL_ONE_MINUS_CONSTANT_ALPHA;
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}
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LOG_CRITICAL(Render_OpenGL, "Unimplemented blend factor={}", static_cast<u32>(factor));
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