skia2/tests/sksl/shared/SwizzleScalarBool.metal
John Stiles 010c0ec061 Allow swizzles on Boolean scalar expressions.
Boolean vector expressions already allowed swizzles (see the
SwizzleBoolConstants.sksl test), but scalars had been inadvertently
disallowed.

Change-Id: I89e7139db50981f0ee1a9a5086b02603e57f967d
Bug: skia:12195
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/427196
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
Auto-Submit: John Stiles <johnstiles@google.com>
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
2021-07-12 20:33:10 +00:00

23 lines
632 B
Metal

#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
struct Uniforms {
float unknownInput;
};
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;
bool b = bool(_uniforms.unknownInput);
bool4 b4 = bool4(b);
b4 = bool4(bool2(b), false, true);
b4 = bool4(false, b, true, false);
b4 = bool4(false, b, false, b);
_out.sk_FragColor = float4(b4);
return _out;
}