60 lines
1.7 KiB
Plaintext
60 lines
1.7 KiB
Plaintext
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#version 310 es
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layout(local_size_x = 64, local_size_y = 1, local_size_z = 1) in;
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layout(binding = 0, std430) readonly buffer Distribution
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{
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vec2 distribution[];
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} _136;
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layout(binding = 2, std140) uniform UBO
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{
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vec4 uModTime;
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} _165;
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layout(binding = 1, std430) writeonly buffer HeightmapFFT
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{
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uint heights[];
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} _224;
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void main()
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{
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uint _66;
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uint _435;
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uint _439;
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uvec2 _263 = uvec2(64u, 1u) * gl_NumWorkGroups.xy;
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uvec2 _268 = _263 - gl_GlobalInvocationID.xy;
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bvec2 _270 = equal(gl_GlobalInvocationID.xy, uvec2(0u));
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uint _470;
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if (_270.x)
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{
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_470 = 0u;
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}
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else
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{
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_435 = _268.x;
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_470 = _435;
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}
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uint _471;
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if (_270.y)
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{
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_471 = 0u;
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}
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else
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{
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_439 = _268.y;
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_471 = _439;
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}
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vec2 _296 = vec2(gl_GlobalInvocationID.xy);
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vec2 _298 = vec2(_263);
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float _308 = sqrt(9.81000041961669921875 * length(_165.uModTime.xy * mix(_296, _296 - _298, greaterThan(_296, _298 * 0.5)))) * _165.uModTime.z;
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float _310 = cos(_308);
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float _312 = sin(_308);
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vec2 _315 = vec2(_310, _312);
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vec2 _394 = _315.yy * (_136.distribution[(gl_GlobalInvocationID.xy.y * _263.x) + gl_GlobalInvocationID.xy.x]).yx;
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vec2 _320 = vec2(_310, _312);
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vec2 _420 = _320.yy * (_136.distribution[(_471 * _263.x) + _470]).yx;
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vec2 _428 = ((_136.distribution[(_471 * _263.x) + _470]) * _320.xx) + vec2(-_420.x, _420.y);
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_224.heights[(gl_GlobalInvocationID.xy.y * _263.x) + gl_GlobalInvocationID.xy.x] = packHalf2x16((((_136.distribution[(gl_GlobalInvocationID.xy.y * _263.x) + gl_GlobalInvocationID.xy.x]) * _315.xx) + vec2(-_394.x, _394.y)) + vec2(_428.x, -_428.y));
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}
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