30 lines
710 B
Metal
30 lines
710 B
Metal
#include <metal_stdlib>
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using namespace metal;
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struct CopyVertexOut {
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float4 position [[position]];
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float2 uv;
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};
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struct Textures
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{
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texture2d_ms<float, access::read> texture;
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};
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struct FragmentOut {
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float depth [[depth(any)]];
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};
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fragment FragmentOut fragmentMain(CopyVertexOut in [[stage_in]],
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constant Textures &textures [[buffer(TEXTURES_INDEX)]],
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uint sample_id [[sample_id]]) {
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FragmentOut out;
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uint2 tex_size = uint2(textures.texture.get_width(), textures.texture.get_height());
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uint2 tex_coord = uint2(in.uv * float2(tex_size));
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out.depth = textures.texture.read(tex_coord, sample_id).r;
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return out;
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}
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