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service/nvflinger: Store BufferQueue instances as regular data members

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The NVFlinger service is already passed into services that need to
guarantee its lifetime, so the BufferQueue instances will already live
as long as they're needed. Making them std::shared_ptr instances in this
case is unnecessary.
This commit is contained in:
Lioncash 2019-02-21 11:31:53 -05:00
parent fd15730767
commit 90528f1326
7 changed files with 39 additions and 36 deletions
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17
src/core/hle/service/nvflinger/nvflinger.cpp
View file

@ -78,9 +78,8 @@ std::optional<u64> NVFlinger::CreateLayer(u64 display_id) {
const u64 layer_id = next_layer_id++;
const u32 buffer_queue_id = next_buffer_queue_id++;
auto buffer_queue = std::make_shared<BufferQueue>(buffer_queue_id, layer_id);
display->CreateLayer(layer_id, buffer_queue);
buffer_queues.emplace_back(std::move(buffer_queue));
buffer_queues.emplace_back(buffer_queue_id, layer_id);
display->CreateLayer(layer_id, buffer_queues.back());
return layer_id;
}
@ -104,9 +103,17 @@ Kernel::SharedPtr<Kernel::ReadableEvent> NVFlinger::FindVsyncEvent(u64 display_i
return display->GetVSyncEvent();
}
std::shared_ptr<BufferQueue> NVFlinger::FindBufferQueue(u32 id) const {
BufferQueue& NVFlinger::FindBufferQueue(u32 id) {
const auto itr = std::find_if(buffer_queues.begin(), buffer_queues.end(),
[&](const auto& queue) { return queue->GetId() == id; });
[id](const auto& queue) { return queue.GetId() == id; });
ASSERT(itr != buffer_queues.end());
return *itr;
}
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;

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

@ -65,7 +65,10 @@ public:
Kernel::SharedPtr<Kernel::ReadableEvent> FindVsyncEvent(u64 display_id) const;
/// Obtains a buffer queue identified by the ID.
std::shared_ptr<BufferQueue> FindBufferQueue(u32 id) const;
BufferQueue& FindBufferQueue(u32 id);
/// Obtains a buffer queue identified by the ID.
const BufferQueue& FindBufferQueue(u32 id) const;
/// Performs a composition request to the emulated nvidia GPU and triggers the vsync events when
/// finished.
@ -87,7 +90,7 @@ private:
std::shared_ptr<Nvidia::Module> nvdrv;
std::vector<VI::Display> displays;
std::vector<std::shared_ptr<BufferQueue>> buffer_queues;
std::vector<BufferQueue> buffer_queues;
/// Id to use for the next layer that is created, this counter is shared among all displays.
u64 next_layer_id = 1;

4
src/core/hle/service/vi/display/vi_display.cpp
View file

@ -39,11 +39,11 @@ void Display::SignalVSyncEvent() {
vsync_event.writable->Signal();
}
void Display::CreateLayer(u64 id, std::shared_ptr<NVFlinger::BufferQueue> buffer_queue) {
void Display::CreateLayer(u64 id, NVFlinger::BufferQueue& buffer_queue) {
// TODO(Subv): Support more than 1 layer.
ASSERT_MSG(layers.empty(), "Only one layer is supported per display at the moment");
layers.emplace_back(id, std::move(buffer_queue));
layers.emplace_back(id, buffer_queue);
}
Layer* Display::FindLayer(u64 id) {

2
src/core/hle/service/vi/display/vi_display.h
View file

@ -67,7 +67,7 @@ public:
/// @param id The ID to assign to the created layer.
/// @param buffer_queue The buffer queue for the layer instance to use.
///
void CreateLayer(u64 id, std::shared_ptr<NVFlinger::BufferQueue> buffer_queue);
void CreateLayer(u64 id, NVFlinger::BufferQueue& buffer_queue);
/// Attempts to find a layer with the given ID.
///

7
src/core/hle/service/vi/layer/vi_layer.cpp
View file

@ -2,16 +2,11 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/assert.h"
#include "core/hle/service/vi/layer/vi_layer.h"
namespace Service::VI {
Layer::Layer(u64 id, std::shared_ptr<NVFlinger::BufferQueue> queue)
: id{id}, buffer_queue{std::move(queue)}
{
ASSERT_MSG(buffer_queue != nullptr, "buffer_queue may not be null.");
}
Layer::Layer(u64 id, NVFlinger::BufferQueue& queue) : id{id}, buffer_queue{queue} {}
Layer::~Layer() = default;

12
src/core/hle/service/vi/layer/vi_layer.h
View file

@ -4,8 +4,6 @@
#pragma once
#include <memory>
#include "common/common_types.h"
namespace Service::NVFlinger {
@ -22,14 +20,14 @@ public:
/// @param id The ID to assign to this layer.
/// @param queue The buffer queue for this layer to use.
///
Layer(u64 id, std::shared_ptr<NVFlinger::BufferQueue> queue);
Layer(u64 id, NVFlinger::BufferQueue& queue);
~Layer();
Layer(const Layer&) = delete;
Layer& operator=(const Layer&) = delete;
Layer(Layer&&) = default;
Layer& operator=(Layer&&) = default;
Layer& operator=(Layer&&) = delete;
/// Gets the ID for this layer.
u64 GetID() const {
@ -38,17 +36,17 @@ public:
/// Gets a reference to the buffer queue this layer is using.
NVFlinger::BufferQueue& GetBufferQueue() {
return *buffer_queue;
return buffer_queue;
}
/// Gets a const reference to the buffer queue this layer is using.
const NVFlinger::BufferQueue& GetBufferQueue() const {
return *buffer_queue;
return buffer_queue;
}
private:
u64 id;
std::shared_ptr<NVFlinger::BufferQueue> buffer_queue;
NVFlinger::BufferQueue& buffer_queue;
};
} // namespace Service::VI

26
src/core/hle/service/vi/vi.cpp
View file

@ -525,7 +525,7 @@ private:
LOG_DEBUG(Service_VI, "called. id=0x{:08X} transaction={:X}, flags=0x{:08X}", id,
static_cast<u32>(transaction), flags);
auto buffer_queue = nv_flinger->FindBufferQueue(id);
auto& buffer_queue = nv_flinger->FindBufferQueue(id);
if (transaction == TransactionId::Connect) {
IGBPConnectRequestParcel request{ctx.ReadBuffer()};
@ -538,7 +538,7 @@ private:
} else if (transaction == TransactionId::SetPreallocatedBuffer) {
IGBPSetPreallocatedBufferRequestParcel request{ctx.ReadBuffer()};
buffer_queue->SetPreallocatedBuffer(request.data.slot, request.buffer);
buffer_queue.SetPreallocatedBuffer(request.data.slot, request.buffer);
IGBPSetPreallocatedBufferResponseParcel response{};
ctx.WriteBuffer(response.Serialize());
@ -546,7 +546,7 @@ private:
IGBPDequeueBufferRequestParcel request{ctx.ReadBuffer()};
const u32 width{request.data.width};
const u32 height{request.data.height};
std::optional<u32> slot = buffer_queue->DequeueBuffer(width, height);
std::optional<u32> slot = buffer_queue.DequeueBuffer(width, height);
if (slot) {
// Buffer is available
@ -559,8 +559,8 @@ private:
[=](Kernel::SharedPtr<Kernel::Thread> thread, Kernel::HLERequestContext& ctx,
Kernel::ThreadWakeupReason reason) {
// Repeat TransactParcel DequeueBuffer when a buffer is available
auto buffer_queue = nv_flinger->FindBufferQueue(id);
std::optional<u32> slot = buffer_queue->DequeueBuffer(width, height);
auto& buffer_queue = nv_flinger->FindBufferQueue(id);
std::optional<u32> slot = buffer_queue.DequeueBuffer(width, height);
ASSERT_MSG(slot != std::nullopt, "Could not dequeue buffer.");
IGBPDequeueBufferResponseParcel response{*slot};
@ -568,28 +568,28 @@ private:
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
},
buffer_queue->GetWritableBufferWaitEvent());
buffer_queue.GetWritableBufferWaitEvent());
}
} else if (transaction == TransactionId::RequestBuffer) {
IGBPRequestBufferRequestParcel request{ctx.ReadBuffer()};
auto& buffer = buffer_queue->RequestBuffer(request.slot);
auto& buffer = buffer_queue.RequestBuffer(request.slot);
IGBPRequestBufferResponseParcel response{buffer};
ctx.WriteBuffer(response.Serialize());
} else if (transaction == TransactionId::QueueBuffer) {
IGBPQueueBufferRequestParcel request{ctx.ReadBuffer()};
buffer_queue->QueueBuffer(request.data.slot, request.data.transform,
request.data.GetCropRect());
buffer_queue.QueueBuffer(request.data.slot, request.data.transform,
request.data.GetCropRect());
IGBPQueueBufferResponseParcel response{1280, 720};
ctx.WriteBuffer(response.Serialize());
} else if (transaction == TransactionId::Query) {
IGBPQueryRequestParcel request{ctx.ReadBuffer()};
u32 value =
buffer_queue->Query(static_cast<NVFlinger::BufferQueue::QueryType>(request.type));
const u32 value =
buffer_queue.Query(static_cast<NVFlinger::BufferQueue::QueryType>(request.type));
IGBPQueryResponseParcel response{value};
ctx.WriteBuffer(response.Serialize());
@ -629,12 +629,12 @@ private:
LOG_WARNING(Service_VI, "(STUBBED) called id={}, unknown={:08X}", id, unknown);
const auto buffer_queue = nv_flinger->FindBufferQueue(id);
const auto& buffer_queue = nv_flinger->FindBufferQueue(id);
// TODO(Subv): Find out what this actually is.
IPC::ResponseBuilder rb{ctx, 2, 1};
rb.Push(RESULT_SUCCESS);
rb.PushCopyObjects(buffer_queue->GetBufferWaitEvent());
rb.PushCopyObjects(buffer_queue.GetBufferWaitEvent());
}
std::shared_ptr<NVFlinger::NVFlinger> nv_flinger;