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nvflinger: Fix for BufferQueue event handling.

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This commit is contained in:
bunnei 2018-07-17 00:05:13 -04:00
parent f00ca69a81
commit 170e19d4ea
6 changed files with 21 additions and 32 deletions
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20
src/core/hle/service/nvflinger/buffer_queue.cpp
View file

@ -13,8 +13,8 @@ namespace Service {
namespace NVFlinger {
BufferQueue::BufferQueue(u32 id, u64 layer_id) : id(id), layer_id(layer_id) {
native_handle = Kernel::Event::Create(Kernel::ResetType::OneShot, "BufferQueue NativeHandle");
native_handle->Signal();
buffer_wait_event =
Kernel::Event::Create(Kernel::ResetType::Sticky, "BufferQueue NativeHandle");
}
void BufferQueue::SetPreallocatedBuffer(u32 slot, IGBPBuffer& igbp_buffer) {
@ -26,10 +26,7 @@ void BufferQueue::SetPreallocatedBuffer(u32 slot, IGBPBuffer& igbp_buffer) {
LOG_WARNING(Service, "Adding graphics buffer {}", slot);
queue.emplace_back(buffer);
if (buffer_wait_event) {
buffer_wait_event->Signal();
}
buffer_wait_event->Signal();
}
boost::optional<u32> BufferQueue::DequeueBuffer(u32 width, u32 height) {
@ -48,8 +45,6 @@ boost::optional<u32> BufferQueue::DequeueBuffer(u32 width, u32 height) {
return boost::none;
}
buffer_wait_event = nullptr;
itr->status = Buffer::Status::Dequeued;
return itr->slot;
}
@ -88,9 +83,7 @@ void BufferQueue::ReleaseBuffer(u32 slot) {
ASSERT(itr->status == Buffer::Status::Acquired);
itr->status = Buffer::Status::Free;
if (buffer_wait_event) {
buffer_wait_event->Signal();
}
buffer_wait_event->Signal();
}
u32 BufferQueue::Query(QueryType type) {
@ -106,10 +99,5 @@ u32 BufferQueue::Query(QueryType type) {
return 0;
}
void BufferQueue::SetBufferWaitEvent(Kernel::SharedPtr<Kernel::Event>&& wait_event) {
ASSERT_MSG(!buffer_wait_event, "buffer_wait_event only supports a single waiting thread!");
buffer_wait_event = std::move(wait_event);
}
} // namespace NVFlinger
} // namespace Service

8
src/core/hle/service/nvflinger/buffer_queue.h
View file

@ -77,14 +77,13 @@ public:
boost::optional<const Buffer&> AcquireBuffer();
void ReleaseBuffer(u32 slot);
u32 Query(QueryType type);
void SetBufferWaitEvent(Kernel::SharedPtr<Kernel::Event>&& wait_event);
u32 GetId() const {
return id;
}
Kernel::SharedPtr<Kernel::Event> GetNativeHandle() const {
return native_handle;
Kernel::SharedPtr<Kernel::Event> GetBufferWaitEvent() const {
return buffer_wait_event;
}
private:
@ -92,9 +91,6 @@ private:
u64 layer_id;
std::vector<Buffer> queue;
Kernel::SharedPtr<Kernel::Event> native_handle;
/// Used to signal waiting thread when no buffers are available
Kernel::SharedPtr<Kernel::Event> buffer_wait_event;
};

3
src/core/hle/service/nvflinger/nvflinger.cpp
View file

@ -152,9 +152,6 @@ void NVFlinger::Compose() {
igbp_buffer.width, igbp_buffer.height, igbp_buffer.stride, buffer->transform);
buffer_queue->ReleaseBuffer(buffer->slot);
// TODO(Subv): Figure out when we should actually signal this event.
buffer_queue->GetNativeHandle()->Signal();
}
}