23 lines
1.7 KiB
Plaintext
23 lines
1.7 KiB
Plaintext
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#include <metal_stdlib>
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#include <simd/simd.h>
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using namespace metal;
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constant uint3 gl_WorkGroupSize = uint3(8u, 8u, 1u);
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struct UBO
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{
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float4 uInvSize;
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float4 uScale;
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};
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kernel void main0(uint3 gl_GlobalInvocationID [[thread_position_in_grid]], constant UBO& _46 [[buffer(0)]], texture2d<float> uHeight [[texture(0)]], sampler uHeightSmplr [[sampler(0)]], texture2d<float> uDisplacement [[texture(1)]], sampler uDisplacementSmplr [[sampler(1)]], texture2d<float, access::write> iHeightDisplacement [[texture(2)]], texture2d<float, access::write> iGradJacobian [[texture(3)]])
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{
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float4 _59 = (float2(gl_GlobalInvocationID.xy) * _46.uInvSize.xy).xyxy + (_46.uInvSize * 0.5);
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float2 _157 = ((uDisplacement.sample(uDisplacementSmplr, _59.zw, level(0.0), int2(1, 0)).xy - uDisplacement.sample(uDisplacementSmplr, _59.zw, level(0.0), int2(-1, 0)).xy) * 0.60000002384185791015625) * _46.uScale.z;
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float2 _161 = ((uDisplacement.sample(uDisplacementSmplr, _59.zw, level(0.0), int2(0, 1)).xy - uDisplacement.sample(uDisplacementSmplr, _59.zw, level(0.0), int2(0, -1)).xy) * 0.60000002384185791015625) * _46.uScale.z;
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iHeightDisplacement.write(float4(uHeight.sample(uHeightSmplr, _59.xy, level(0.0)).x, 0.0, 0.0, 0.0), uint2(int2(gl_GlobalInvocationID.xy)));
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iGradJacobian.write(float4((_46.uScale.xy * 0.5) * float2(uHeight.sample(uHeightSmplr, _59.xy, level(0.0), int2(1, 0)).x - uHeight.sample(uHeightSmplr, _59.xy, level(0.0), int2(-1, 0)).x, uHeight.sample(uHeightSmplr, _59.xy, level(0.0), int2(0, 1)).x - uHeight.sample(uHeightSmplr, _59.xy, level(0.0), int2(0, -1)).x), ((1.0 + _157.x) * (1.0 + _161.y)) - (_157.y * _161.x), 0.0), uint2(int2(gl_GlobalInvocationID.xy)));
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}
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