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vi: Remove DequeueBuffer and wait until next available buffer.

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This commit is contained in:
bunnei
2018-03-18 20:27:15 -04:00
parent c86af6939c
commit c1c92c30f9
3 changed files with 48 additions and 11 deletions
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28
src/core/hle/service/vi/vi.cpp
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@@ -486,12 +486,30 @@ private:
ctx.WriteBuffer(response.Serialize());
} else if (transaction == TransactionId::DequeueBuffer) {
IGBPDequeueBufferRequestParcel request{ctx.ReadBuffer()};
const u32 width{request.data.width};
const u32 height{request.data.height};
boost::optional<u32> slot = buffer_queue->DequeueBuffer(width, height);
u32 slot = buffer_queue->DequeueBuffer(request.data.pixel_format, request.data.width,
request.data.height);
IGBPDequeueBufferResponseParcel response{slot};
ctx.WriteBuffer(response.Serialize());
if (slot != boost::none) {
// Buffer is available
IGBPDequeueBufferResponseParcel response{*slot};
ctx.WriteBuffer(response.Serialize());
} else {
// Wait the current thread until a buffer becomes available
auto wait_event = ctx.SleepClientThread(
Kernel::GetCurrentThread(), "IHOSBinderDriver::DequeueBuffer", -1,
[=](Kernel::SharedPtr<Kernel::Thread> thread, Kernel::HLERequestContext& ctx,
ThreadWakeupReason reason) {
// Repeat TransactParcel DequeueBuffer when a buffer is available
auto buffer_queue = nv_flinger->GetBufferQueue(id);
boost::optional<u32> slot = buffer_queue->DequeueBuffer(width, height);
IGBPDequeueBufferResponseParcel response{*slot};
ctx.WriteBuffer(response.Serialize());
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
});
buffer_queue->SetBufferWaitEvent(std::move(wait_event));
}
} else if (transaction == TransactionId::RequestBuffer) {
IGBPRequestBufferRequestParcel request{ctx.ReadBuffer()};