98378352be
A constructor like `float3(five)` is not a compile-time constant, so we miss optimization opportunities like folding. Constant variables inside splat constructors are now replaced when optimization is on, so this would optimize down to `float3(5.0)` and be eligible for folding. Change-Id: I4bf6f52a48ef733e6b24791d02687081194ef488 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/404676 Commit-Queue: John Stiles <johnstiles@google.com> Auto-Submit: John Stiles <johnstiles@google.com> Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
37 lines
1.1 KiB
Metal
37 lines
1.1 KiB
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)]];
|
|
};
|
|
|
|
bool test_int_b() {
|
|
int one = 1;
|
|
const int two = 2;
|
|
int4 result;
|
|
result.x = 1;
|
|
result.y = 1;
|
|
result.z = 1;
|
|
result.w = int(all(-int2(-one, one + one) == -int2(one - two, 2)) ? 1 : 0);
|
|
return bool(((result.x * result.y) * result.z) * result.w);
|
|
}
|
|
fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) {
|
|
Outputs _out;
|
|
(void)_out;
|
|
const float _0_one = 1.0;
|
|
float _1_two = 2.0;
|
|
float4 _2_result;
|
|
_2_result.x = 1.0;
|
|
_2_result.y = 1.0;
|
|
_2_result.z = float(all(-float4(_1_two) == float4(-_1_two, float3(-_1_two))) ? 1 : 0);
|
|
_2_result.w = float(all(float2(1.0, -2.0) == -float2(_0_one - _1_two, _1_two)) ? 1 : 0);
|
|
_out.sk_FragColor = bool(((_2_result.x * _2_result.y) * _2_result.z) * _2_result.w) && test_int_b() ? _uniforms.colorGreen : _uniforms.colorRed;
|
|
return _out;
|
|
}
|