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service: nvflinger: Improve synchronization for BufferQueue.

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- Use proper mechanisms for blocking on DequeueBuffer.
- Ensure service thread terminates on emulation Shutdown.
This commit is contained in:
bunnei
2020-12-16 21:09:06 -08:00
parent bea51d948d
commit 6433b1dfd6
5 changed files with 72 additions and 19 deletions
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19
src/core/hle/service/vi/vi.cpp
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@ -544,6 +544,12 @@ private:
Settings::values.resolution_factor.GetValue()),
static_cast<u32>(static_cast<u32>(DisplayResolution::UndockedHeight) *
Settings::values.resolution_factor.GetValue())};
{
auto& buffer_queue = *nv_flinger.FindBufferQueue(id);
buffer_queue.Connect();
}
ctx.WriteBuffer(response.Serialize());
break;
}
@ -565,18 +571,15 @@ private:
const u32 width{request.data.width};
const u32 height{request.data.height};
std::optional<std::pair<u32, Service::Nvidia::MultiFence*>> result;
while (!result) {
auto& buffer_queue = *nv_flinger.FindBufferQueue(id);
result = buffer_queue.DequeueBuffer(width, height);
if (result) {
auto& buffer_queue = *nv_flinger.FindBufferQueue(id);
do {
if (auto result = buffer_queue.DequeueBuffer(width, height); result) {
// Buffer is available
IGBPDequeueBufferResponseParcel response{result->first, *result->second};
ctx.WriteBuffer(response.Serialize());
break;
}
}
} while (buffer_queue.IsConnected());
break;
}