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Fix Metal startup when default device is unavailable #92

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Fix Metal startup when default device is unavailable #92

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8 changes: 8 additions & 0 deletions ds4_metal.m
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Original file line number Diff line number Diff line change
Expand Up @@ -2663,6 +2663,14 @@ int ds4_gpu_init(void) {

@autoreleasepool {
g_device = MTLCreateSystemDefaultDevice();
if (!g_device) {
NSArray<id<MTLDevice>> *devices = MTLCopyAllDevices();
if ([devices count] > 0) {
g_device = devices[0];
fprintf(stderr, "ds4: default Metal device unavailable; using enumerated device %s\n",
g_device.name ? [g_device.name UTF8String] : "unknown Metal device");
}
}
if (!g_device) {
fprintf(stderr, "ds4: Metal device not available\n");
return 0;
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