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 Uniforms { 8*c8dee2aaSAndroid Build Coastguard Worker float2x2 testMatrix2x2; 9*c8dee2aaSAndroid Build Coastguard Worker half4 colorGreen; 10*c8dee2aaSAndroid Build Coastguard Worker half4 colorRed; 11*c8dee2aaSAndroid Build Coastguard Worker}; 12*c8dee2aaSAndroid Build Coastguard Workerstruct Inputs { 13*c8dee2aaSAndroid Build Coastguard Worker}; 14*c8dee2aaSAndroid Build Coastguard Workerstruct Outputs { 15*c8dee2aaSAndroid Build Coastguard Worker half4 sk_FragColor [[color(0)]]; 16*c8dee2aaSAndroid Build Coastguard Worker}; 17*c8dee2aaSAndroid Build Coastguard Worker 18*c8dee2aaSAndroid Build Coastguard Workerfloat4 float4_from_float2x2(float2x2 x) { 19*c8dee2aaSAndroid Build Coastguard Worker return float4(x[0].xy, x[1].xy); 20*c8dee2aaSAndroid Build Coastguard Worker} 21*c8dee2aaSAndroid Build Coastguard Workerfragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) { 22*c8dee2aaSAndroid Build Coastguard Worker Outputs _out; 23*c8dee2aaSAndroid Build Coastguard Worker (void)_out; 24*c8dee2aaSAndroid Build Coastguard Worker const float4 negativeVal = float4(-1.0, -4.0, -16.0, -64.0); 25*c8dee2aaSAndroid Build Coastguard Worker coords = sqrt(negativeVal).xy; 26*c8dee2aaSAndroid Build Coastguard Worker float4 inputVal = float4_from_float2x2(_uniforms.testMatrix2x2) + float4(0.0, 2.0, 6.0, 12.0); 27*c8dee2aaSAndroid Build Coastguard Worker const float4 expected = float4(1.0, 2.0, 3.0, 4.0); 28*c8dee2aaSAndroid Build Coastguard Worker const float4 allowedDelta = float4(0.05); 29*c8dee2aaSAndroid Build Coastguard Worker _out.sk_FragColor = ((abs(sqrt(inputVal.x) - 1.0) < 0.05 && all((abs(sqrt(inputVal.xy) - float2(1.0, 2.0)) < float2(0.05)))) && all((abs(sqrt(inputVal.xyz) - float3(1.0, 2.0, 3.0)) < float3(0.05)))) && all((abs(sqrt(inputVal) - expected) < allowedDelta)) ? _uniforms.colorGreen : _uniforms.colorRed; 30*c8dee2aaSAndroid Build Coastguard Worker return _out; 31*c8dee2aaSAndroid Build Coastguard Worker} 32