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LibSoftGPU: Make output in PixelQuad generic
Same as with inputs, we define outputs as a generic array of floats. This can later be expanded to accomodate multiple render targets or vertex attributes in the case of a vertex shader.
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3 changed files with 40 additions and 10 deletions
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@ -32,6 +32,13 @@ static_assert(NUM_SHADER_INPUTS >= 4 + GPU::NUM_TEXTURE_UNITS * 4);
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static constexpr int SHADER_INPUT_VERTEX_COLOR = 0;
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static constexpr int SHADER_INPUT_FIRST_TEXCOORD = 4;
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static constexpr int NUM_SHADER_OUTPUTS = 4;
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// Verify that we have enough outputs to hold the fragment's color
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static_assert(NUM_SHADER_OUTPUTS >= 4);
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static constexpr int SHADER_OUTPUT_FIRST_COLOR = 0;
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// See: https://www.khronos.org/opengl/wiki/Common_Mistakes#Texture_edge_color_problem
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// FIXME: make this dynamically configurable through ConfigServer
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static constexpr bool CLAMP_DEPRECATED_BEHAVIOR = false;
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