skia2/tests/sksl/shared/ArrayComparison.metal
John Stiles 3509210622 Implement array == and != on SPIR-V.
GLSL (post-ES2) allows array comparison: http://screen/8gryPvb9T7gndyb

Unfortunately, because ES2 does not support array comparisons, we can't
add this test to the dm test suite.

Change-Id: I06b71683e49b2631669cff801dc647951a81a299
Bug: skia:11849
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/394162
Commit-Queue: John Stiles <johnstiles@google.com>
Auto-Submit: John Stiles <johnstiles@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
2021-04-09 15:33:57 +00:00

30 lines
959 B
Metal

#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
struct S {
int x;
int y;
};
struct Uniforms {
float4 colorGreen;
float4 colorRed;
};
struct Inputs {
};
struct Outputs {
float4 sk_FragColor [[color(0)]];
};
fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) {
Outputs _out;
(void)_out;
array<float, 4> f1 = array<float, 4>{1.0, 2.0, 3.0, 4.0};
array<float, 4> f2 = array<float, 4>{1.0, 2.0, 3.0, 4.0};
array<float, 4> f3 = array<float, 4>{1.0, 2.0, 3.0, -4.0};
array<S, 3> s1 = array<S, 3>{S{1, 2}, S{3, 4}, S{5, 6}};
array<S, 3> s2 = array<S, 3>{S{1, 2}, S{0, 0}, S{5, 6}};
array<S, 3> s3 = array<S, 3>{S{1, 2}, S{3, 4}, S{5, 6}};
_out.sk_FragColor = ((f1 == f2 && f1 != f3) && s1 != s2) && s3 == s1 ? _uniforms.colorGreen : _uniforms.colorRed;
return _out;
}