xref: /aosp_15_r20/external/skia/tests/sksl/shared/SwizzleByConstantIndex.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 testInputs;
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 Workerfragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) {
18*c8dee2aaSAndroid Build Coastguard Worker    Outputs _out;
19*c8dee2aaSAndroid Build Coastguard Worker    (void)_out;
20*c8dee2aaSAndroid Build Coastguard Worker    half4 _0_v = _uniforms.testInputs;
21*c8dee2aaSAndroid Build Coastguard Worker    half _1_x = _0_v.x;
22*c8dee2aaSAndroid Build Coastguard Worker    half _2_y = _0_v.y;
23*c8dee2aaSAndroid Build Coastguard Worker    half _3_z = _0_v.z;
24*c8dee2aaSAndroid Build Coastguard Worker    half _4_w = _0_v.w;
25*c8dee2aaSAndroid Build Coastguard Worker    half4 a = half4(_1_x, _2_y, _3_z, _4_w);
26*c8dee2aaSAndroid Build Coastguard Worker    half _9_x = _uniforms.testInputs.x;
27*c8dee2aaSAndroid Build Coastguard Worker    half _10_y = _uniforms.testInputs.y;
28*c8dee2aaSAndroid Build Coastguard Worker    half _11_z = _uniforms.testInputs.z;
29*c8dee2aaSAndroid Build Coastguard Worker    half _12_w = _uniforms.testInputs.w;
30*c8dee2aaSAndroid Build Coastguard Worker    half4 b = half4(_9_x, _10_y, _11_z, _12_w);
31*c8dee2aaSAndroid Build Coastguard Worker    half4 c = half4(0.0h, 1.0h, 2.0h, 3.0h);
32*c8dee2aaSAndroid Build Coastguard Worker    _out.sk_FragColor = (all(a == half4(-1.25h, 0.0h, 0.75h, 2.25h)) && all(b == half4(-1.25h, 0.0h, 0.75h, 2.25h))) && all(c == half4(0.0h, 1.0h, 2.0h, 3.0h)) ? _uniforms.colorGreen : _uniforms.colorRed;
33*c8dee2aaSAndroid Build Coastguard Worker    return _out;
34*c8dee2aaSAndroid Build Coastguard Worker}
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