skia2/tests/sksl/intrinsics/FloatBitsToInt.metal
John Stiles b39236bc0f Add floatBitsToInt family of ES3 intrinsics to SkSL public ES3.
These now have proper testing and compile-time optimization support.

Change-Id: I7978161ec126e1c3096b9ca9dfbb2be7d8ea02f5
Bug: skia:12202
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/440859
Commit-Queue: John Stiles <johnstiles@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
Auto-Submit: John Stiles <johnstiles@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
2021-08-20 14:58:44 +00:00

27 lines
1.0 KiB
Metal

#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
struct Uniforms {
float testInput;
float2x2 testMatrix2x2;
float4 colorGreen;
float4 colorRed;
};
struct Inputs {
};
struct Outputs {
float4 sk_FragColor [[color(0)]];
};
float4 float4_from_float2x2(float2x2 x) {
return float4(x[0].xy, x[1].xy);
}
fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) {
Outputs _out;
(void)_out;
float4 input = float4_from_float2x2(_uniforms.testMatrix2x2) * float4(1.0, 1.0, -1.0, -1.0);
const int4 expectedB = int4(1065353216, 1073741824, -1069547520, -1065353216);
_out.sk_FragColor = ((as_type<int>(input.x) == 1065353216 && all(as_type<int2>(input.xy) == int2(1065353216, 1073741824))) && all(as_type<int3>(input.xyz) == int3(1065353216, 1073741824, -1069547520))) && all(as_type<int4>(input) == expectedB) ? _uniforms.colorGreen : _uniforms.colorRed;
return _out;
}