skia2/tests/sksl/shared/ForLoopMultipleInit.metal
John Stiles a36fa6636b Fix for loops with multiple init-variables in Metal.
This is structured differently than the GLSL fix, due to the different
semantics of array-types in Metal.

Change-Id: I27ad11539bbbb96abb0686d5686b8fcd2f5dd6d1
Bug: skia:11860
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/396916
Commit-Queue: John Stiles <johnstiles@google.com>
Auto-Submit: John Stiles <johnstiles@google.com>
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
2021-04-14 20:47:48 +00:00

39 lines
953 B
Metal

#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
struct Inputs {
};
struct Outputs {
float4 sk_FragColor [[color(0)]];
};
fragment Outputs fragmentMain(Inputs _in [[stage_in]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) {
Outputs _out;
(void)_out;
float4 result = float4(0.0);
{
float a = 0.0;
float b = 0.0;
for (; a < 10.0 && b < 10.0; (++a , ++b)) {
result.x = result.x + a;
result.y = result.y + b;
}
}
{
int c = 0;
for (; c < 10; ++c) {
result.z = result.z + 1.0;
}
}
{
array<float, 2> d = array<float, 2>{0.0, 10.0};
array<float, 4> e = array<float, 4>{1.0, 2.0, 3.0, 4.0};
float f = 9.0;
for (; d[0] < d[1]; ++d[0]) {
result.w = e[0] * f;
}
}
for (; ; ) break;
_out.sk_FragColor = result;
return _out;
}