570f6dfe76
This guards against unexpected results when dfdy is used in complex expressions. In practice, I'm not aware of this causing any trouble. Change-Id: I639bef465d7907049d79681a49f9be67b4c435a6 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/465378 Commit-Queue: John Stiles <johnstiles@google.com> Auto-Submit: John Stiles <johnstiles@google.com> Reviewed-by: Brian Osman <brianosman@google.com>
24 lines
1.2 KiB
Metal
24 lines
1.2 KiB
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)]];
|
|
};
|
|
struct sksl_synthetic_uniforms {
|
|
float2 u_skRTFlip;
|
|
};
|
|
fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], constant sksl_synthetic_uniforms& _anonInterface0 [[buffer(1)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) {
|
|
Outputs _out;
|
|
(void)_out;
|
|
float4 expected = float4(0.0);
|
|
_out.sk_FragColor = ((((((_anonInterface0.u_skRTFlip.y * dfdy(_uniforms.testInputs.x)) == expected.x && all((_anonInterface0.u_skRTFlip.y * dfdy(_uniforms.testInputs.xy)) == expected.xy)) && all((_anonInterface0.u_skRTFlip.y * dfdy(_uniforms.testInputs.xyz)) == expected.xyz)) && all((_anonInterface0.u_skRTFlip.y * dfdy(_uniforms.testInputs)) == expected)) && all(sign((_anonInterface0.u_skRTFlip.y * dfdy(coords.xx))) == float2(0.0, 0.0))) && all(sign((_anonInterface0.u_skRTFlip.y * dfdy(coords.yy))) == float2(1.0, 1.0))) && all(sign((_anonInterface0.u_skRTFlip.y * dfdy(coords))) == float2(0.0, 1.0)) ? _uniforms.colorGreen : _uniforms.colorRed;
|
|
return _out;
|
|
}
|