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#include <metal_stdlib>
using namespace metal;
extern float4 get_color_test(float4 inColor);
kernel void test_kernel(
texture2d<float, access::write> image [[texture(0)]],
uint2 coordinates [[thread_position_in_grid]],
uint2 size [[threads_per_grid]])
{
float2 uv = float2(coordinates) / float2(size - 1);
image.write(get_color_test(float4(uv, 0.0, 1.0)), coordinates);
}