50 lines
962 B
Text
50 lines
962 B
Text
#version 450
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layout(push_constant) uniform Push
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{
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vec4 SourceSize;
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vec4 OriginalSize;
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vec4 OutputSize;
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uint FrameCount;
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} params;
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layout(std140, set = 0, binding = 0) uniform UBO
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{
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mat4 MVP;
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} global;
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#include "blur_params.inc"
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#define kernel(x) exp(-GLOW_FALLOFF * (x) * (x))
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#pragma stage vertex
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layout(location = 0) in vec4 Position;
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layout(location = 1) in vec2 TexCoord;
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layout(location = 0) out vec2 vTexCoord;
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void main()
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{
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gl_Position = global.MVP * Position;
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vTexCoord = TexCoord;
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}
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#pragma stage fragment
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layout(location = 0) in vec2 vTexCoord;
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layout(location = 0) out vec4 FragColor;
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layout(set = 0, binding = 2) uniform sampler2D Source;
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void main()
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{
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vec3 col = vec3(0.0);
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float dx = params.SourceSize.z;
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float k_total = 0.0;
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for (int i = -TAPS; i <= TAPS; i++)
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{
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float k = kernel(i);
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k_total += k;
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col += k * texture(Source, vTexCoord + vec2(float(i) * dx, 0.0)).rgb;
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}
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FragColor = vec4(col / k_total, 1.0);
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}
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