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Allow forcing Metal renderer on or off via VT_FORCE_METAL=1 and VT_FORCE_METAL=0 respectively

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This commit is contained in:
Cameron Gutman
2024-04-19 00:27:45 -05:00
parent 654e386263
commit fe6562e31c
1 changed files with 15 additions and 2 deletions
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app/streaming/video/ffmpeg-renderers/vt_metal.mm
+15 -2
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@@ -587,6 +587,12 @@ public:
} }
id<MTLDevice> getMetalDevice() { id<MTLDevice> getMetalDevice() {
if (qgetenv("VT_FORCE_METAL") == "0") {
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Avoiding Metal renderer due to VT_FORCE_METAL=0 override.");
return nullptr;
}
if (@available(macOS 11.0, *)) { if (@available(macOS 11.0, *)) {
NSArray<id<MTLDevice>> *devices = [MTLCopyAllDevices() autorelease]; NSArray<id<MTLDevice>> *devices = [MTLCopyAllDevices() autorelease];
if (devices.count == 0) { if (devices.count == 0) {
@@ -601,8 +607,15 @@ public:
} }
} }
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION, if (qgetenv("VT_FORCE_METAL") == "1") {
"Avoiding Metal renderer due to use of dGPU/eGPU"); SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Using Metal renderer due to VT_FORCE_METAL=1 override.");
return MTLCreateSystemDefaultDevice();
}
else {
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Avoiding Metal renderer due to use of dGPU/eGPU. Use VT_FORCE_METAL=1 to override.");
}
} }
else { else {
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION, SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,