Default to indirect rendering on Apple Silicon

Hopefully the UMA makes the performance impact of reimporting frames negligible
until we can get a proper Metal renderer to replace AVSampleBufferDisplayLayer.
This commit is contained in:
Cameron Gutman 2023-09-09 07:44:11 -05:00
parent 7551e90899
commit f60e724167

View file

@ -434,72 +434,6 @@ public:
#endif
}
SDL_SysWMinfo info;
SDL_VERSION(&info.version);
if (!SDL_GetWindowWMInfo(params->window, &info)) {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"SDL_GetWindowWMInfo() failed: %s",
SDL_GetError());
return false;
}
SDL_assert(info.subsystem == SDL_SYSWM_COCOA);
// SDL adds its own content view to listen for events.
// We need to add a subview for our display layer.
NSView* contentView = info.info.cocoa.window.contentView;
m_StreamView = [[VTView alloc] initWithFrame:contentView.bounds];
m_DisplayLayer = [[AVSampleBufferDisplayLayer alloc] init];
m_DisplayLayer.bounds = m_StreamView.bounds;
m_DisplayLayer.position = CGPointMake(CGRectGetMidX(m_StreamView.bounds), CGRectGetMidY(m_StreamView.bounds));
m_DisplayLayer.videoGravity = AVLayerVideoGravityResizeAspect;
m_DisplayLayer.opaque = YES;
// This workaround prevents the image from going through processing that causes some
// color artifacts in some cases. HDR seems to be okay without this, so we'll exclude
// it out of caution. The artifacts seem to be far more significant on M1 Macs and
// the workaround can cause performance regressions on Intel Macs, so only use this
// on Apple silicon.
//
// https://github.com/moonlight-stream/moonlight-qt/issues/493
// https://github.com/moonlight-stream/moonlight-qt/issues/722
if (!(params->videoFormat & VIDEO_FORMAT_MASK_10BIT) && (SDL_GetWindowFlags(params->window) & SDL_WINDOW_FULLSCREEN_DESKTOP) != SDL_WINDOW_FULLSCREEN) {
int err;
uint32_t cpuType;
size_t size = sizeof(cpuType);
// Apple Silicon Macs have CPU_ARCH_ABI64 set, so we need to mask that off.
// For some reason, 64-bit Intel Macs don't seem to have CPU_ARCH_ABI64 set.
err = sysctlbyname("hw.cputype", &cpuType, &size, NULL, 0);
if (err == 0 && (cpuType & ~CPU_ARCH_MASK) == CPU_TYPE_ARM) {
if (info.info.cocoa.window.screen != nullptr) {
m_DisplayLayer.shouldRasterize = YES;
m_DisplayLayer.rasterizationScale = info.info.cocoa.window.screen.backingScaleFactor;
}
else {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"Unable to rasterize layer due to missing NSScreen");
SDL_assert(false);
}
}
else if (err != 0) {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"sysctlbyname(hw.cputype) failed: %d", err);
}
}
// Create a layer-hosted view by setting the layer before wantsLayer
// This avoids us having to add our AVSampleBufferDisplayLayer as a
// sublayer of a layer-backed view which leaves a useless layer in
// the middle.
m_StreamView.layer = m_DisplayLayer;
m_StreamView.wantsLayer = YES;
[contentView addSubview: m_StreamView];
err = av_hwdevice_ctx_create(&m_HwContext,
AV_HWDEVICE_TYPE_VIDEOTOOLBOX,
nullptr,
@ -512,10 +446,106 @@ public:
return false;
}
if (params->enableFramePacing) {
if (!initializeVsyncCallback(&info)) {
bool isAppleSilicon = false;
{
uint32_t cpuType;
size_t size = sizeof(cpuType);
err = sysctlbyname("hw.cputype", &cpuType, &size, NULL, 0);
if (err == 0) {
// Apple Silicon Macs have CPU_ARCH_ABI64 set, so we need to mask that off.
// For some reason, 64-bit Intel Macs don't seem to have CPU_ARCH_ABI64 set.
isAppleSilicon = (cpuType & ~CPU_ARCH_MASK) == CPU_TYPE_ARM;
}
else {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"sysctlbyname(hw.cputype) failed: %d", err);
}
}
if (qgetenv("VT_FORCE_INDIRECT") == "1") {
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Using indirect rendering due to environment variable");
m_DirectRendering = false;
}
else if (params->videoFormat & VIDEO_FORMAT_MASK_10BIT) {
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Using direct rendering for 10-bit content");
m_DirectRendering = true;
}
else if (isAppleSilicon) {
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Using indirect rendering for 8-bit content on Apple Silicon");
m_DirectRendering = false;
}
else {
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Using direct rendering for 8-bit content on Intel");
m_DirectRendering = true;
}
// If we're using direct rendering, set up the AVSampleBufferDisplayLayer
if (m_DirectRendering) {
SDL_SysWMinfo info;
SDL_VERSION(&info.version);
if (!SDL_GetWindowWMInfo(params->window, &info)) {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"SDL_GetWindowWMInfo() failed: %s",
SDL_GetError());
return false;
}
SDL_assert(info.subsystem == SDL_SYSWM_COCOA);
// SDL adds its own content view to listen for events.
// We need to add a subview for our display layer.
NSView* contentView = info.info.cocoa.window.contentView;
m_StreamView = [[VTView alloc] initWithFrame:contentView.bounds];
m_DisplayLayer = [[AVSampleBufferDisplayLayer alloc] init];
m_DisplayLayer.bounds = m_StreamView.bounds;
m_DisplayLayer.position = CGPointMake(CGRectGetMidX(m_StreamView.bounds), CGRectGetMidY(m_StreamView.bounds));
m_DisplayLayer.videoGravity = AVLayerVideoGravityResizeAspect;
m_DisplayLayer.opaque = YES;
// This workaround prevents the image from going through processing that causes some
// color artifacts in some cases. HDR seems to be okay without this, so we'll exclude
// it out of caution. The artifacts seem to be far more significant on M1 Macs and
// the workaround can cause performance regressions on Intel Macs, so only use this
// on Apple silicon.
//
// https://github.com/moonlight-stream/moonlight-qt/issues/493
// https://github.com/moonlight-stream/moonlight-qt/issues/722
if (isAppleSilicon && !(params->videoFormat & VIDEO_FORMAT_MASK_10BIT)) {
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Using layer rasterization workaround");
if (info.info.cocoa.window.screen != nullptr) {
m_DisplayLayer.shouldRasterize = YES;
m_DisplayLayer.rasterizationScale = info.info.cocoa.window.screen.backingScaleFactor;
}
else {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"Unable to rasterize layer due to missing NSScreen");
SDL_assert(false);
}
}
// Create a layer-hosted view by setting the layer before wantsLayer
// This avoids us having to add our AVSampleBufferDisplayLayer as a
// sublayer of a layer-backed view which leaves a useless layer in
// the middle.
m_StreamView.layer = m_DisplayLayer;
m_StreamView.wantsLayer = YES;
[contentView addSubview: m_StreamView];
if (params->enableFramePacing) {
if (!initializeVsyncCallback(&info)) {
return false;
}
}
}
return true;
@ -600,6 +630,11 @@ public:
return RENDERER_ATTRIBUTE_HDR_SUPPORT;
}
bool isDirectRenderingSupported() override
{
return m_DirectRendering;
}
private:
AVBufferRef* m_HwContext;
AVSampleBufferDisplayLayer* m_DisplayLayer;
@ -614,6 +649,7 @@ private:
CGColorSpaceRef m_ColorSpace;
SDL_mutex* m_VsyncMutex;
SDL_cond* m_VsyncPassed;
bool m_DirectRendering;
};
IFFmpegRenderer* VTRendererFactory::createRenderer() {