skia2/tests/sksl/shared/OperatorsES3.metal
John Stiles abc3b78011 Eliminate left-side comma expressions without side effects.
This takes away one of our gadgets for thwarting dead-code elimination
in unit tests, but it's the right thing to do. Comma expression left-
sides without side effects are clearly dead code.

Change-Id: Iaee490b4a742d06a0a0be94cddaa69a51543d8f5
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/366719
Commit-Queue: John Stiles <johnstiles@google.com>
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
Auto-Submit: John Stiles <johnstiles@google.com>
2021-02-05 16:50:33 +00:00

40 lines
737 B
Metal

#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
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;
float x = 1.0;
float y = 2.0;
int z = 3;
x = 2.0;
y = 0.5;
z = 8;
x += 12.0;
x -= 12.0;
x *= (y /= 10.0);
z |= 0;
z &= -1;
z ^= 0;
z >>= 2;
z <<= 4;
z %= 5;
x = 6.0;
y = 6.0;
z = 6;
_out.sk_FragColor = _uniforms.colorGreen;
return _out;
}