21 lines
781 B
Metal
21 lines
781 B
Metal
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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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struct Inputs {
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uint3 sk_GlobalInvocationID;
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};
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struct Globals {
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texture2d<half, access::read_write> tex;
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};
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kernel void computeMain(uint3 sk_GlobalInvocationID [[thread_position_in_grid]], texture2d<half, access::read_write> tex [[texture(0)]]) {
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Globals _globals{tex};
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(void)_globals;
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Inputs _in = { sk_GlobalInvocationID };
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if (_in.sk_GlobalInvocationID.x < _globals.tex.get_width() && _in.sk_GlobalInvocationID.y < _globals.tex.get_height()) {
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half4 _0_color = _globals.tex.read(_in.sk_GlobalInvocationID.xy);
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_0_color.xyz = half3(dot(_0_color.xyz, half3(0.22h, 0.67h, 0.11h)));
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_globals.tex.write(_0_color, _in.sk_GlobalInvocationID.xy);
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}
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return;
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}
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