xref: /aosp_15_r20/external/skia/tests/sksl/shared/Functions.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 Uniforms {
8*c8dee2aaSAndroid Build Coastguard Worker    half4 colorGreen;
9*c8dee2aaSAndroid Build Coastguard Worker    half4 colorRed;
10*c8dee2aaSAndroid Build Coastguard Worker};
11*c8dee2aaSAndroid Build Coastguard Workerstruct Inputs {
12*c8dee2aaSAndroid Build Coastguard Worker};
13*c8dee2aaSAndroid Build Coastguard Workerstruct Outputs {
14*c8dee2aaSAndroid Build Coastguard Worker    half4 sk_FragColor [[color(0)]];
15*c8dee2aaSAndroid Build Coastguard Worker};
16*c8dee2aaSAndroid Build Coastguard Workerfloat foo_ff2(const float2 v) {
17*c8dee2aaSAndroid Build Coastguard Worker    return v.x * v.y;
18*c8dee2aaSAndroid Build Coastguard Worker}
19*c8dee2aaSAndroid Build Coastguard Workervoid bar_vf(thread float& x) {
20*c8dee2aaSAndroid Build Coastguard Worker    array<float, 2> y;
21*c8dee2aaSAndroid Build Coastguard Worker    y[0] = x;
22*c8dee2aaSAndroid Build Coastguard Worker    y[1] = x * 2.0;
23*c8dee2aaSAndroid Build Coastguard Worker    x = foo_ff2(float2(y[0], y[1]));
24*c8dee2aaSAndroid Build Coastguard Worker}
25*c8dee2aaSAndroid Build Coastguard Workerfragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) {
26*c8dee2aaSAndroid Build Coastguard Worker    Outputs _out;
27*c8dee2aaSAndroid Build Coastguard Worker    (void)_out;
28*c8dee2aaSAndroid Build Coastguard Worker    float _skTemp0;
29*c8dee2aaSAndroid Build Coastguard Worker    float x = 10.0;
30*c8dee2aaSAndroid Build Coastguard Worker    ((bar_vf((_skTemp0 = x))), (x = _skTemp0));
31*c8dee2aaSAndroid Build Coastguard Worker    _out.sk_FragColor = x == 200.0 ? _uniforms.colorGreen : _uniforms.colorRed;
32*c8dee2aaSAndroid Build Coastguard Worker    return _out;
33*c8dee2aaSAndroid Build Coastguard Worker}
34