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31 lines
889 B
Text
31 lines
889 B
Text
#version 440 core
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layout (binding = 0, rgba16f) restrict writeonly uniform image2D imageOut;
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layout (binding = 1, rgba16f) restrict readonly uniform image2D imageIn;
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layout (local_size_x=16, local_size_y=16) in;
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#include "lib/water/ripples.glsl"
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void main()
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{
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ivec2 texel = ivec2(gl_GlobalInvocationID.xy);
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vec4 n = vec4(
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imageLoad(imageIn, texel + ivec2(1, 0)).r,
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imageLoad(imageIn, texel + ivec2(-1, 0)).r,
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imageLoad(imageIn, texel + ivec2(0, 1)).r,
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imageLoad(imageIn, texel + ivec2(0, -1)).r
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);
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vec4 n2 = vec4(
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imageLoad(imageIn, texel + ivec2(2, 0)).r,
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imageLoad(imageIn, texel + ivec2(-2, 0)).r,
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imageLoad(imageIn, texel + ivec2(0, 2)).r,
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imageLoad(imageIn, texel + ivec2(0, -2)).r
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);
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vec4 color = imageLoad(imageIn, texel);
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imageStore(imageOut, texel, applySprings(color, n, n2));
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}
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