reference/shaders-msl/comp/argument-buffers-image-load-store.msl2.argument.comp

#include <metal_stdlib>
#include <simd/simd.h>

using namespace metal;

struct spvDescriptorSetBuffer0
{
    texture2d<float, access::write> uImage [[id(1)]];
    texture2d<float> uImageRead [[id(2)]];
};

kernel void main0(constant spvDescriptorSetBuffer0& spvDescriptorSet0 [[buffer(0)]], uint3 gl_GlobalInvocationID [[thread_position_in_grid]])
{
    int2 coord = int2(gl_GlobalInvocationID.xy);
    spvDescriptorSet0.uImage.write(spvDescriptorSet0.uImageRead.read(uint2(coord)), uint2(coord));
}