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hle: service: nvflinger: Refactor locking and interfaces.

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This commit is contained in:
bunnei 2020-12-10 15:32:52 -08:00
parent b377da042b
commit 19a8f03ad5
3 changed files with 31 additions and 45 deletions
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23
src/core/hle/service/nvflinger/nvflinger.cpp
View file

@ -104,6 +104,8 @@ void NVFlinger::SetNVDrvInstance(std::shared_ptr<Nvidia::Module> instance) {
}
std::optional<u64> NVFlinger::OpenDisplay(std::string_view name) {
const auto guard = Lock();
LOG_DEBUG(Service, "Opening \"{}\" display", name);
// TODO(Subv): Currently we only support the Default display.
@ -121,6 +123,7 @@ std::optional<u64> NVFlinger::OpenDisplay(std::string_view name) {
}
std::optional<u64> NVFlinger::CreateLayer(u64 display_id) {
const auto guard = Lock();
auto* const display = FindDisplay(display_id);
if (display == nullptr) {
@ -135,12 +138,15 @@ std::optional<u64> NVFlinger::CreateLayer(u64 display_id) {
}
void NVFlinger::CloseLayer(u64 layer_id) {
const auto guard = Lock();
for (auto& display : displays) {
display.CloseLayer(layer_id);
}
}
std::optional<u32> NVFlinger::FindBufferQueueId(u64 display_id, u64 layer_id) const {
const auto guard = Lock();
const auto* const layer = FindLayer(display_id, layer_id);
if (layer == nullptr) {
@ -151,6 +157,7 @@ std::optional<u32> NVFlinger::FindBufferQueueId(u64 display_id, u64 layer_id) co
}
std::shared_ptr<Kernel::ReadableEvent> NVFlinger::FindVsyncEvent(u64 display_id) const {
const auto guard = Lock();
auto* const display = FindDisplay(display_id);
if (display == nullptr) {
@ -160,20 +167,16 @@ std::shared_ptr<Kernel::ReadableEvent> NVFlinger::FindVsyncEvent(u64 display_id)
return display->GetVSyncEvent();
}
BufferQueue& NVFlinger::FindBufferQueue(u32 id) {
BufferQueue* NVFlinger::FindBufferQueue(u32 id) {
const auto guard = Lock();
const auto itr = std::find_if(buffer_queues.begin(), buffer_queues.end(),
[id](const auto& queue) { return queue.GetId() == id; });
ASSERT(itr != buffer_queues.end());
return *itr;
}
if (itr == buffer_queues.end()) {
return nullptr;
}
const BufferQueue& NVFlinger::FindBufferQueue(u32 id) const {
const auto itr = std::find_if(buffer_queues.begin(), buffer_queues.end(),
[id](const auto& queue) { return queue.GetId() == id; });
ASSERT(itr != buffer_queues.end());
return *itr;
return &*itr;
}
VI::Display* NVFlinger::FindDisplay(u64 display_id) {

7
src/core/hle/service/nvflinger/nvflinger.h
View file

@ -75,10 +75,7 @@ public:
[[nodiscard]] std::shared_ptr<Kernel::ReadableEvent> FindVsyncEvent(u64 display_id) const;
/// Obtains a buffer queue identified by the ID.
[[nodiscard]] BufferQueue& FindBufferQueue(u32 id);
/// Obtains a buffer queue identified by the ID.
[[nodiscard]] const BufferQueue& FindBufferQueue(u32 id) const;
[[nodiscard]] BufferQueue* FindBufferQueue(u32 id);
/// Performs a composition request to the emulated nvidia GPU and triggers the vsync events when
/// finished.
@ -86,11 +83,11 @@ public:
[[nodiscard]] s64 GetNextTicks() const;
private:
[[nodiscard]] std::unique_lock<std::mutex> Lock() const {
return std::unique_lock{*guard};
}
private:
/// Finds the display identified by the specified ID.
[[nodiscard]] VI::Display* FindDisplay(u64 display_id);