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graphicsdriver/metal/ca: Add check by respondsToSelector (#767)

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This commit is contained in:
Hajime Hoshi 2019-01-02 00:52:03 +09:00
parent a0a17330ee
commit 6350cb6bfd
1 changed files with 9 additions and 3 deletions
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12
internal/graphicsdriver/metal/ca/ca.m
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@ -48,8 +48,11 @@ const char *MetalLayer_SetMaximumDrawableCount(void *metalLayer,
uint_t maximumDrawableCount) {
if (@available(macOS 10.13.2, *)) {
@try {
((CAMetalLayer *)metalLayer).maximumDrawableCount =
(NSUInteger)maximumDrawableCount;
if ([(CAMetalLayer *)metalLayer
respondsToSelector:@selector(maximumDrawableCount)]) {
((CAMetalLayer *)metalLayer).maximumDrawableCount =
(NSUInteger)maximumDrawableCount;
}
} @catch (NSException *exception) {
return exception.reason.UTF8String;
}
@ -60,7 +63,10 @@ const char *MetalLayer_SetMaximumDrawableCount(void *metalLayer,
void MetalLayer_SetDisplaySyncEnabled(void *metalLayer,
BOOL displaySyncEnabled) {
if (@available(macOS 10.13, *)) {
((CAMetalLayer *)metalLayer).displaySyncEnabled = displaySyncEnabled;
if ([(CAMetalLayer *)metalLayer
respondsToSelector:@selector(displaySyncEnabled)]) {
((CAMetalLayer *)metalLayer).displaySyncEnabled = displaySyncEnabled;
}
}
}