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Don't block on surface creation in GetTransformHint

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We want to avoid blocking on surface creation unless necessary, this commit doesn't wait on the creation of the surface as it default initializes the value which'll generally be `Identity` or the transformation of the previous surface if it was lost.

Co-authored-by: Billy Laws <blaws05@gmail.com>
This commit is contained in:
PixelyIon 2022-07-29 03:32:20 +05:30
parent 35133381b6
commit 0992fde028
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GPG Key ID: 11BC6C3201BC2C05
2 changed files with 4 additions and 5 deletions
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7
app/src/main/cpp/skyline/gpu/presentation_engine.cpp
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@ -377,8 +377,8 @@ namespace skyline::gpu {
u64 PresentationEngine::Present(const std::shared_ptr<TextureView> &texture, i64 timestamp, i64 swapInterval, AndroidRect crop, NativeWindowScalingMode scalingMode, NativeWindowTransform transform, skyline::service::hosbinder::AndroidFence fence, const std::function<void()> &presentCallback) {
if (!vkSurface.has_value()) {
// We want this function to generally (not necessarily always) block when a surface is not present to implicitly pause the game
std::unique_lock lock(mutex);
surfaceCondition.wait(lock, [this]() { return vkSurface.has_value(); });
std::unique_lock lock{mutex};
surfaceCondition.wait(lock, [this] { return vkSurface.has_value(); });
}
presentQueue.Push(PresentableFrame{
@ -397,8 +397,7 @@ namespace skyline::gpu {
}
NativeWindowTransform PresentationEngine::GetTransformHint() {
std::unique_lock lock(mutex);
surfaceCondition.wait(lock, [this]() { return vkSurface.has_value(); });
std::unique_lock lock{mutex};
return GetAndroidTransform(vkSurfaceCapabilities.currentTransform);
}
}

2
app/src/main/cpp/skyline/gpu/presentation_engine.h
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@ -32,7 +32,7 @@ namespace skyline::gpu {
i64 windowLastTimestamp{}; //!< The last timestamp submitted to the window, 0 or CLOCK_MONOTONIC value
std::optional<vk::raii::SurfaceKHR> vkSurface; //!< The Vulkan Surface object that is backed by ANativeWindow
vk::SurfaceCapabilitiesKHR vkSurfaceCapabilities; //!< The capabilities of the current Vulkan Surface
vk::SurfaceCapabilitiesKHR vkSurfaceCapabilities{}; //!< The capabilities of the current Vulkan Surface
std::optional<vk::raii::SwapchainKHR> vkSwapchain; //!< The Vulkan swapchain and the properties associated with it
vk::raii::Fence acquireFence; //!< A fence for acquiring an image from the swapchain