skia2/tests/sksl/shared/SwizzleByConstantIndex.metal
John Stiles 50b1b2b90d Disable control-flow analysis in SkSL. (Performance experiment)
This CL will be used to test for potential performance regressions (or
improvements?) that we might incur by disabling this optimization pass.

It will be reverted in ~1 day.

Change-Id: I775cdb0c95df81fa25ebbd66e4ff01f64c660f68
Bug: skia:11319
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/378456
Commit-Queue: John Stiles <johnstiles@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
2021-03-03 22:08:56 +00:00

37 lines
992 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 _0_v = _uniforms.testInputs;
float _1_x = _0_v.x;
float _2_y = _0_v.y;
float _3_z = _0_v.z;
float _4_w = _0_v.w;
float4 a = float4(_1_x, _2_y, _3_z, _4_w);
float4 _5_v = float4(0.0, 1.0, 2.0, 3.0);
float _6_x = _5_v.x;
float _7_y = _5_v.y;
float _8_z = _5_v.z;
float _9_w = _5_v.w;
float4 b = float4(_6_x, _7_y, _8_z, _9_w);
_out.sk_FragColor = all(a == float4(-1.25, 0.0, 0.75, 2.25)) && all(b == float4(0.0, 1.0, 2.0, 3.0)) ? _uniforms.colorGreen : _uniforms.colorRed;
return _out;
}