xref: /aosp_15_r20/external/skia/tests/sksl/metal/CastMat4x4ToMat4x3.metal (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
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 Workerfloat4x3 float4x3_from_float4x4(float4x4 x0) {
13*c8dee2aaSAndroid Build Coastguard Worker    return float4x3(float3(x0[0].xyz), float3(x0[1].xyz), float3(x0[2].xyz), float3(x0[3].xyz));
14*c8dee2aaSAndroid Build Coastguard Worker}
15*c8dee2aaSAndroid Build Coastguard Workerfragment Outputs fragmentMain(Inputs _in [[stage_in]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) {
16*c8dee2aaSAndroid Build Coastguard Worker    Outputs _out;
17*c8dee2aaSAndroid Build Coastguard Worker    (void)_out;
18*c8dee2aaSAndroid Build Coastguard Worker    float4x3 a = float4x3(1.0);
19*c8dee2aaSAndroid Build Coastguard Worker    float4x3 b = float4x3_from_float4x4(float4x4(1.0));
20*c8dee2aaSAndroid Build Coastguard Worker    _out.sk_FragColor.x = half(all(a[0] == b[0]) ? 0 : 1);
21*c8dee2aaSAndroid Build Coastguard Worker    return _out;
22*c8dee2aaSAndroid Build Coastguard Worker}
23