30 lines
687 B
GLSL
30 lines
687 B
GLSL
#version 450
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// Push constants: matrix + color
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layout(push_constant) uniform FragmentPushConstants {
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layout(offset = 64) vec4 mult_color;
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vec4 add_color;
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};
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// Set 2: bitmap
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layout(set = 1, binding = 1) uniform texture2D t_color;
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// Set 3: sampler
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layout(set = 2, binding = 0) uniform sampler s_color;
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layout(location=0) in vec2 frag_uv;
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layout(location=0) out vec4 out_color;
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void main() {
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vec4 color = texture(sampler2D(t_color, s_color), frag_uv);
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// Unmultiply alpha before apply color transform.
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if( color.a > 0 ) {
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color.rgb /= color.a;
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color = mult_color * color + add_color;
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color.rgb *= color.a;
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}
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out_color = color;
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} |