skia2/tests/sksl/shared/Structs.metal
John Stiles d90e09b1ae Add support for half-precision types in Metal.
This will hopefully improve performance on lower-end GPUs.

Change-Id: I9c2ee6dc31acd08bec0bfb5f59edc3cf90163f9e
Bug: skia:12339
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/465078
Auto-Submit: John Stiles <johnstiles@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: John Stiles <johnstiles@google.com>
2021-10-29 19:47:02 +00:00

32 lines
626 B
Metal

#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
struct A {
int x;
int y;
};
struct B {
float x;
array<float, 2> y;
A z;
};
struct Inputs {
};
struct Outputs {
half4 sk_FragColor [[color(0)]];
};
struct Globals {
A a1;
B b1;
};
fragment Outputs fragmentMain(Inputs _in [[stage_in]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) {
Globals _globals{{}, {}};
(void)_globals;
Outputs _out;
(void)_out;
_globals.a1.x = 0;
_globals.b1.x = 0.0;
_out.sk_FragColor.x = half(_globals.a1.x) + half(_globals.b1.x);
return _out;
}