1#include <metal_stdlib> 2#include <simd/simd.h> 3using namespace metal; 4struct Inputs { 5 uint3 sk_GlobalInvocationID; 6}; 7struct Globals { 8 texture2d<half, access::read> src; 9 texture2d<half, access::write> dest; 10}; 11kernel void computeMain(uint3 sk_GlobalInvocationID [[thread_position_in_grid]], texture2d<half, access::read> src [[texture(0)]], texture2d<half, access::write> dest [[texture(1)]]) { 12 Globals _globals{src, dest}; 13 (void)_globals; 14 Inputs _in = { sk_GlobalInvocationID }; 15 if (_in.sk_GlobalInvocationID.x < _globals.src.get_width() && _in.sk_GlobalInvocationID.y < _globals.src.get_height()) { 16 half4 _0_color = _globals.src.read(_in.sk_GlobalInvocationID.xy); 17 _0_color.xyz = half3(dot(_0_color.xyz, half3(0.22h, 0.67h, 0.11h))); 18 _globals.dest.write(_0_color, _in.sk_GlobalInvocationID.xy); 19 } 20 return; 21} 22