35 lines
613 B
GLSL
35 lines
613 B
GLSL
#[compute]
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#version 450
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layout( local_size_x = 16, local_size_y = 16, local_size_z = 1 ) in;
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layout( rgba16f, set = 0, binding = 0)
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uniform image2D color_image;
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layout(push_constant, std430)
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uniform Params
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{
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vec2 raster_size;
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vec2 reserved;
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} params;
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void main()
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{
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ivec2 uv = ivec2( gl_GlobalInvocationID.xy );
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ivec2 size = ivec2( params.raster_size );
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if ( uv.x >= size.x || uv.y >= size.y )
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{
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return;
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}
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vec4 color = imageLoad( color_image, uv );
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float gray = color.r * 0.2125 + color.g * 0.7154 + color.b * 0.0721;
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color.rgb = vec3( gray );
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imageStore( color_image, uv, color );
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} |