xref: /aosp_15_r20/external/skia/tests/sksl/intrinsics/IntBitsToFloat.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    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    float4 inputVal = float4_from_float2x2(_uniforms.testMatrix2x2) * float4(1.0, 1.0, -1.0, -1.0);
25*c8dee2aaSAndroid Build Coastguard Worker    int4 expectedB = int4(1065353216, 1073741824, -1069547520, -1065353216);
26*c8dee2aaSAndroid Build Coastguard Worker    _out.sk_FragColor = ((inputVal.x == as_type<float>(expectedB.x) && all(inputVal.xy == as_type<float2>(expectedB.xy))) && all(inputVal.xyz == as_type<float3>(expectedB.xyz))) && all(inputVal == as_type<float4>(expectedB)) ? _uniforms.colorGreen : _uniforms.colorRed;
27*c8dee2aaSAndroid Build Coastguard Worker    return _out;
28*c8dee2aaSAndroid Build Coastguard Worker}
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