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lavfi/metal: simplify fallback 

Instead of using a fallback variable, just do an early return.
This commit is contained in:
Marvin Scholz 2024-07-12 18:21:21 +02:00
parent ea6734e1fa
commit 7857ba97ac
1 changed files with 4 additions and 3 deletions
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7
libavfilter/metal/utils.m
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@ -28,18 +28,19 @@ void ff_metal_compute_encoder_dispatch(id<MTLDevice> device,
NSUInteger w = pipeline.threadExecutionWidth;
NSUInteger h = pipeline.maxTotalThreadsPerThreadgroup / w;
MTLSize threadsPerThreadgroup = MTLSizeMake(w, h, 1);
BOOL fallback = YES;
// MAC_OS_X_VERSION_10_15 is only defined on SDKs new enough to include its functionality (including iOS, tvOS, etc)
#ifdef MAC_OS_X_VERSION_10_15
if (@available(macOS 10.15, iOS 11, tvOS 14.5, *)) {
if ([device supportsFamily:MTLGPUFamilyCommon3]) {
MTLSize threadsPerGrid = MTLSizeMake(width, height, 1);
[encoder dispatchThreads:threadsPerGrid threadsPerThreadgroup:threadsPerThreadgroup];
fallback = NO;
return;
}
}
#endif
if (fallback) {
// Fallback path, if we took the above one we already returned so none of this is reached
{
MTLSize threadgroups = MTLSizeMake((width + w - 1) / w,
(height + h - 1) / h,
1);