xref: /aosp_15_r20/external/skia/tests/sksl/shared/SwizzleAsLValue.metal (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1#include <metal_stdlib>
2#include <simd/simd.h>
3#ifdef __clang__
4#pragma clang diagnostic ignored "-Wall"
5#endif
6using namespace metal;
7struct Uniforms {
8    half4 colorGreen;
9    half4 colorRed;
10};
11struct Inputs {
12};
13struct Outputs {
14    half4 sk_FragColor [[color(0)]];
15};
16fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) {
17    Outputs _out;
18    (void)_out;
19    float4 scalar;
20    array<float4, 1> array;
21    scalar = float4(_uniforms.colorGreen) * 0.5;
22    scalar.w = 2.0;
23    scalar.y = scalar.y * 4.0;
24    scalar.yzw = scalar.yzw * float3x3(0.5);
25    scalar.zywx = scalar.zywx + float4(0.25, 0.0, 0.0, 0.75);
26    scalar.x = scalar.x + (scalar.w <= 1.0 ? scalar.z : 0.0);
27    array[0] = float4(_uniforms.colorGreen) * 0.5;
28    array[0].w = 2.0;
29    array[0].y = array[0].y * 4.0;
30    array[0].yzw = array[0].yzw * float3x3(0.5);
31    array[0].zywx = array[0].zywx + float4(0.25, 0.0, 0.0, 0.75);
32    array[0].x = array[0].x + (array[0].w <= 1.0 ? array[0].z : 0.0);
33    _out.sk_FragColor = all(scalar == float4(1.0, 1.0, 0.25, 1.0)) && all(array[0] == float4(1.0, 1.0, 0.25, 1.0)) ? _uniforms.colorGreen : _uniforms.colorRed;
34    return _out;
35}
36