1*c8dee2aaSAndroid Build Coastguard Worker#include <metal_stdlib> 2*c8dee2aaSAndroid Build Coastguard Worker#include <simd/simd.h> 3*c8dee2aaSAndroid Build Coastguard Worker#ifdef __clang__ 4*c8dee2aaSAndroid Build Coastguard Worker#pragma clang diagnostic ignored "-Wall" 5*c8dee2aaSAndroid Build Coastguard Worker#endif 6*c8dee2aaSAndroid Build Coastguard Workerusing namespace metal; 7*c8dee2aaSAndroid Build Coastguard Workerstruct Inputs { 8*c8dee2aaSAndroid Build Coastguard Worker}; 9*c8dee2aaSAndroid Build Coastguard Workerstruct Outputs { 10*c8dee2aaSAndroid Build Coastguard Worker half4 sk_FragColor [[color(0)]]; 11*c8dee2aaSAndroid Build Coastguard Worker}; 12*c8dee2aaSAndroid Build Coastguard Workerfragment Outputs fragmentMain(Inputs _in [[stage_in]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) { 13*c8dee2aaSAndroid Build Coastguard Worker Outputs _out; 14*c8dee2aaSAndroid Build Coastguard Worker (void)_out; 15*c8dee2aaSAndroid Build Coastguard Worker half4 x = half4(1.0h); 16*c8dee2aaSAndroid Build Coastguard Worker do { 17*c8dee2aaSAndroid Build Coastguard Worker x.x = x.x - 0.25h; 18*c8dee2aaSAndroid Build Coastguard Worker if (x.x <= 0.0h) break; 19*c8dee2aaSAndroid Build Coastguard Worker } while (x.w == 1.0h); 20*c8dee2aaSAndroid Build Coastguard Worker do { 21*c8dee2aaSAndroid Build Coastguard Worker x.z = x.z - 0.25h; 22*c8dee2aaSAndroid Build Coastguard Worker if (x.w == 1.0h) continue; 23*c8dee2aaSAndroid Build Coastguard Worker x.y = 0.0h; 24*c8dee2aaSAndroid Build Coastguard Worker } while (x.z > 0.0h); 25*c8dee2aaSAndroid Build Coastguard Worker _out.sk_FragColor = x; 26*c8dee2aaSAndroid Build Coastguard Worker return _out; 27*c8dee2aaSAndroid Build Coastguard Worker} 28