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Merge pull request #4426 from lioncash/lock

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nvflinger: Use return value of Lock()
This commit is contained in:
bunnei 2020-07-26 09:19:24 -07:00 committed by GitHub
commit 08f02836d8
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 17 additions and 19 deletions
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2
src/core/hle/service/nvflinger/nvflinger.cpp
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@ -68,7 +68,7 @@ NVFlinger::NVFlinger(Core::System& system) : system(system) {
// Schedule the screen composition events
composition_event = Core::Timing::CreateEvent(
"ScreenComposition", [this](u64, std::chrono::nanoseconds ns_late) {
Lock();
const auto guard = Lock();
Compose();
const auto ticks = std::chrono::nanoseconds{GetNextTicks()};

26
src/core/hle/service/nvflinger/nvflinger.h
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@ -54,12 +54,12 @@ public:
/// Opens the specified display and returns the ID.
///
/// If an invalid display name is provided, then an empty optional is returned.
std::optional<u64> OpenDisplay(std::string_view name);
[[nodiscard]] std::optional<u64> OpenDisplay(std::string_view name);
/// Creates a layer on the specified display and returns the layer ID.
///
/// If an invalid display ID is specified, then an empty optional is returned.
std::optional<u64> CreateLayer(u64 display_id);
[[nodiscard]] std::optional<u64> CreateLayer(u64 display_id);
/// Closes a layer on all displays for the given layer ID.
void CloseLayer(u64 layer_id);
@ -67,41 +67,39 @@ public:
/// Finds the buffer queue ID of the specified layer in the specified display.
///
/// If an invalid display ID or layer ID is provided, then an empty optional is returned.
std::optional<u32> FindBufferQueueId(u64 display_id, u64 layer_id) const;
[[nodiscard]] std::optional<u32> FindBufferQueueId(u64 display_id, u64 layer_id) const;
/// Gets the vsync event for the specified display.
///
/// If an invalid display ID is provided, then nullptr is returned.
std::shared_ptr<Kernel::ReadableEvent> FindVsyncEvent(u64 display_id) const;
[[nodiscard]] std::shared_ptr<Kernel::ReadableEvent> FindVsyncEvent(u64 display_id) const;
/// Obtains a buffer queue identified by the ID.
BufferQueue& FindBufferQueue(u32 id);
[[nodiscard]] BufferQueue& FindBufferQueue(u32 id);
/// Obtains a buffer queue identified by the ID.
const BufferQueue& FindBufferQueue(u32 id) const;
[[nodiscard]] const BufferQueue& FindBufferQueue(u32 id) const;
/// Performs a composition request to the emulated nvidia GPU and triggers the vsync events when
/// finished.
void Compose();
s64 GetNextTicks() const;
[[nodiscard]] s64 GetNextTicks() const;
std::unique_lock<std::mutex> Lock() {
return std::unique_lock{*guard};
}
[[nodiscard]] std::unique_lock<std::mutex> Lock() const { return std::unique_lock{*guard}; }
private :
/// Finds the display identified by the specified ID.
VI::Display* FindDisplay(u64 display_id);
[[nodiscard]] VI::Display* FindDisplay(u64 display_id);
/// Finds the display identified by the specified ID.
const VI::Display* FindDisplay(u64 display_id) const;
[[nodiscard]] const VI::Display* FindDisplay(u64 display_id) const;
/// Finds the layer identified by the specified ID in the desired display.
VI::Layer* FindLayer(u64 display_id, u64 layer_id);
[[nodiscard]] VI::Layer* FindLayer(u64 display_id, u64 layer_id);
/// Finds the layer identified by the specified ID in the desired display.
const VI::Layer* FindLayer(u64 display_id, u64 layer_id) const;
[[nodiscard]] const VI::Layer* FindLayer(u64 display_id, u64 layer_id) const;
static void VSyncThread(NVFlinger& nv_flinger);

4
src/core/hle/service/vi/vi.cpp
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@ -511,7 +511,7 @@ private:
LOG_DEBUG(Service_VI, "called. id=0x{:08X} transaction={:X}, flags=0x{:08X}", id,
static_cast<u32>(transaction), flags);
nv_flinger->Lock();
const auto guard = nv_flinger->Lock();
auto& buffer_queue = nv_flinger->FindBufferQueue(id);
switch (transaction) {
@ -551,7 +551,7 @@ private:
[=](std::shared_ptr<Kernel::Thread> thread, Kernel::HLERequestContext& ctx,
Kernel::ThreadWakeupReason reason) {
// Repeat TransactParcel DequeueBuffer when a buffer is available
nv_flinger->Lock();
const auto guard = nv_flinger->Lock();
auto& buffer_queue = nv_flinger->FindBufferQueue(id);
auto result = buffer_queue.DequeueBuffer(width, height);
ASSERT_MSG(result != std::nullopt, "Could not dequeue buffer.");