dawn-cmake/test/bug/tint/757.wgsl.expected.msl
Ben Clayton 663271dca4 writer/msl: Fix continuing block emission
Inline the `continuing` block in the places where `continue` is called.

Simplifies the emission, and fixes emission of `let` statements in the loop.

This fix matches the same approach in writer/hlsl.
See: https://dawn-review.googlesource.com/c/tint/+/51784

Fixed: tint:833
Fixed: tint:914
Change-Id: If4d8cde62dfaf8efa24272854ca7ff5edc0a8234
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/55341
Commit-Queue: Ben Clayton <bclayton@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: David Neto <dneto@google.com>
2021-06-21 08:49:27 +00:00

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#include <metal_stdlib>
using namespace metal;
struct Constants {
/* 0x0000 */ int level;
};
struct Result {
/* 0x0000 */ float values[1];
};
kernel void tint_symbol(texture2d_array<float, access::sample> tint_symbol_2 [[texture(1)]], uint3 GlobalInvocationID [[thread_position_in_grid]], device Result& result [[buffer(3)]]) {
uint flatIndex = ((((2u * 2u) * GlobalInvocationID.z) + (2u * GlobalInvocationID.y)) + GlobalInvocationID.x);
flatIndex = (flatIndex * 1u);
float4 texel = tint_symbol_2.read(uint2(int2(GlobalInvocationID.xy)), 0, 0);
{
uint i = 0u;
while (true) {
if (!((i < 1u))) {
break;
}
result.values[(flatIndex + i)] = texel.r;
{
i = (i + 1u);
}
}
}
return;
}