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18 lines
589 B
GLSL
18 lines
589 B
GLSL
#version 440 core
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#extension GL_EXT_samplerless_texture_functions : enable
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layout(set = 0, binding = 0)
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uniform texture2D source_texture;
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layout(location = 0) in vec2 source_coords;
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layout(location = 0) out vec4 target_color;
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void main() {
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// We get free nonlinear -> linear conversion when sampling from srgb texture;
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vec4 linear = texelFetch(source_texture, ivec2(source_coords), 0);
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vec4 premultiplied_linear = vec4(linear.rgb * linear.a, linear.a);
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// We get free linear -> nonlinear conversion rendering to srgb texture.
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target_color = premultiplied_linear;
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}
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