skia2/tests/sksl/shared/SwizzleByConstantIndex.metal
John Stiles c2c1b0c460 Migrate some SkSL swizzle tests to dm.
Change-Id: I2bd6bf9c368359a2b21861c1b6f621040d335111
Bug: skia:11009
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/367056
Auto-Submit: John Stiles <johnstiles@google.com>
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
2021-02-08 16:16:28 +00:00

30 lines
758 B
Metal

#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
struct Uniforms {
float4 testInputs;
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;
float4 _1_v = _uniforms.testInputs;
float _2_x = _1_v.x;
float _3_y = _1_v.y;
float _4_z = _1_v.z;
float _5_w = _1_v.w;
float4 a = float4(_2_x, _3_y, _4_z, _5_w);
_out.sk_FragColor = all(a == float4(-1.25, 0.0, 0.75, 2.25)) ? _uniforms.colorGreen : _uniforms.colorRed;
return _out;
}