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Merge pull request #2144 from lioncash/factor

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service/vi: Convert Display and Layer structs into classes
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bunnei 2019-02-24 23:02:50 -05:00 committed by GitHub
commit 57985fb16a
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7 changed files with 209 additions and 67 deletions
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76
src/core/hle/service/nvflinger/nvflinger.cpp
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@ -28,9 +28,13 @@ namespace Service::NVFlinger {
constexpr std::size_t SCREEN_REFRESH_RATE = 60;
constexpr u64 frame_ticks = static_cast<u64>(Core::Timing::BASE_CLOCK_RATE / SCREEN_REFRESH_RATE);
NVFlinger::NVFlinger(Core::Timing::CoreTiming& core_timing)
: displays{{0, "Default"}, {1, "External"}, {2, "Edid"}, {3, "Internal"}, {4, "Null"}},
core_timing{core_timing} {
NVFlinger::NVFlinger(Core::Timing::CoreTiming& core_timing) : core_timing{core_timing} {
displays.emplace_back(0, "Default");
displays.emplace_back(1, "External");
displays.emplace_back(2, "Edid");
displays.emplace_back(3, "Internal");
displays.emplace_back(4, "Null");
// Schedule the screen composition events
composition_event =
core_timing.RegisterEvent("ScreenComposition", [this](u64 userdata, int cycles_late) {
@ -55,13 +59,14 @@ std::optional<u64> NVFlinger::OpenDisplay(std::string_view name) {
// TODO(Subv): Currently we only support the Default display.
ASSERT(name == "Default");
const auto itr = std::find_if(displays.begin(), displays.end(),
[&](const VI::Display& display) { return display.name == name; });
const auto itr =
std::find_if(displays.begin(), displays.end(),
[&](const VI::Display& display) { return display.GetName() == name; });
if (itr == displays.end()) {
return {};
}
return itr->id;
return itr->GetID();
}
std::optional<u64> NVFlinger::CreateLayer(u64 display_id) {
@ -71,13 +76,10 @@ std::optional<u64> NVFlinger::CreateLayer(u64 display_id) {
return {};
}
ASSERT_MSG(display->layers.empty(), "Only one layer is supported per display at the moment");
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->layers.emplace_back(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;
}
@ -88,7 +90,7 @@ std::optional<u32> NVFlinger::FindBufferQueueId(u64 display_id, u64 layer_id) co
return {};
}
return layer->buffer_queue->GetId();
return layer->GetBufferQueue().GetId();
}
Kernel::SharedPtr<Kernel::ReadableEvent> NVFlinger::FindVsyncEvent(u64 display_id) const {
@ -98,12 +100,20 @@ Kernel::SharedPtr<Kernel::ReadableEvent> NVFlinger::FindVsyncEvent(u64 display_i
return nullptr;
}
return display->vsync_event.readable;
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;
@ -112,7 +122,7 @@ std::shared_ptr<BufferQueue> NVFlinger::FindBufferQueue(u32 id) const {
VI::Display* NVFlinger::FindDisplay(u64 display_id) {
const auto itr =
std::find_if(displays.begin(), displays.end(),
[&](const VI::Display& display) { return display.id == display_id; });
[&](const VI::Display& display) { return display.GetID() == display_id; });
if (itr == displays.end()) {
return nullptr;
@ -124,7 +134,7 @@ VI::Display* NVFlinger::FindDisplay(u64 display_id) {
const VI::Display* NVFlinger::FindDisplay(u64 display_id) const {
const auto itr =
std::find_if(displays.begin(), displays.end(),
[&](const VI::Display& display) { return display.id == display_id; });
[&](const VI::Display& display) { return display.GetID() == display_id; });
if (itr == displays.end()) {
return nullptr;
@ -140,14 +150,7 @@ VI::Layer* NVFlinger::FindLayer(u64 display_id, u64 layer_id) {
return nullptr;
}
const auto itr = std::find_if(display->layers.begin(), display->layers.end(),
[&](const VI::Layer& layer) { return layer.id == layer_id; });
if (itr == display->layers.end()) {
return nullptr;
}
return &*itr;
return display->FindLayer(layer_id);
}
const VI::Layer* NVFlinger::FindLayer(u64 display_id, u64 layer_id) const {
@ -157,33 +160,24 @@ const VI::Layer* NVFlinger::FindLayer(u64 display_id, u64 layer_id) const {
return nullptr;
}
const auto itr = std::find_if(display->layers.begin(), display->layers.end(),
[&](const VI::Layer& layer) { return layer.id == layer_id; });
if (itr == display->layers.end()) {
return nullptr;
}
return &*itr;
return display->FindLayer(layer_id);
}
void NVFlinger::Compose() {
for (auto& display : displays) {
// Trigger vsync for this display at the end of drawing
SCOPE_EXIT({ display.vsync_event.writable->Signal(); });
SCOPE_EXIT({ display.SignalVSyncEvent(); });
// Don't do anything for displays without layers.
if (display.layers.empty())
if (!display.HasLayers())
continue;
// TODO(Subv): Support more than 1 layer.
ASSERT_MSG(display.layers.size() == 1, "Max 1 layer per display is supported");
VI::Layer& layer = display.layers[0];
auto& buffer_queue = layer.buffer_queue;
VI::Layer& layer = display.GetLayer(0);
auto& buffer_queue = layer.GetBufferQueue();
// Search for a queued buffer and acquire it
auto buffer = buffer_queue->AcquireBuffer();
auto buffer = buffer_queue.AcquireBuffer();
MicroProfileFlip();
@ -208,7 +202,7 @@ void NVFlinger::Compose() {
igbp_buffer.width, igbp_buffer.height, igbp_buffer.stride,
buffer->get().transform, buffer->get().crop_rect);
buffer_queue->ReleaseBuffer(buffer->get().slot);
buffer_queue.ReleaseBuffer(buffer->get().slot);
}
}

11
src/core/hle/service/nvflinger/nvflinger.h
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@ -28,8 +28,8 @@ class Module;
} // namespace Service::Nvidia
namespace Service::VI {
struct Display;
struct Layer;
class Display;
class Layer;
} // namespace Service::VI
namespace Service::NVFlinger {
@ -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;

49
src/core/hle/service/vi/display/vi_display.cpp
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@ -2,8 +2,12 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <algorithm>
#include <utility>
#include <fmt/format.h>
#include "common/assert.h"
#include "core/core.h"
#include "core/hle/kernel/readable_event.h"
#include "core/hle/service/vi/display/vi_display.h"
@ -19,4 +23,49 @@ Display::Display(u64 id, std::string name) : id{id}, name{std::move(name)} {
Display::~Display() = default;
Layer& Display::GetLayer(std::size_t index) {
return layers.at(index);
}
const Layer& Display::GetLayer(std::size_t index) const {
return layers.at(index);
}
Kernel::SharedPtr<Kernel::ReadableEvent> Display::GetVSyncEvent() const {
return vsync_event.readable;
}
void Display::SignalVSyncEvent() {
vsync_event.writable->Signal();
}
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, buffer_queue);
}
Layer* Display::FindLayer(u64 id) {
const auto itr = std::find_if(layers.begin(), layers.end(),
[id](const VI::Layer& layer) { return layer.GetID() == id; });
if (itr == layers.end()) {
return nullptr;
}
return &*itr;
}
const Layer* Display::FindLayer(u64 id) const {
const auto itr = std::find_if(layers.begin(), layers.end(),
[id](const VI::Layer& layer) { return layer.GetID() == id; });
if (itr == layers.end()) {
return nullptr;
}
return &*itr;
}
} // namespace Service::VI

74
src/core/hle/service/vi/display/vi_display.h
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@ -10,14 +10,84 @@
#include "common/common_types.h"
#include "core/hle/kernel/writable_event.h"
namespace Service::NVFlinger {
class BufferQueue;
}
namespace Service::VI {
struct Layer;
class Layer;
struct Display {
/// Represents a single display type
class Display {
public:
/// Constructs a display with a given unique ID and name.
///
/// @param id The unique ID for this display.
/// @param name The name for this display.
///
Display(u64 id, std::string name);
~Display();
Display(const Display&) = delete;
Display& operator=(const Display&) = delete;
Display(Display&&) = default;
Display& operator=(Display&&) = default;
/// Gets the unique ID assigned to this display.
u64 GetID() const {
return id;
}
/// Gets the name of this display
const std::string& GetName() const {
return name;
}
/// Whether or not this display has any layers added to it.
bool HasLayers() const {
return !layers.empty();
}
/// Gets a layer for this display based off an index.
Layer& GetLayer(std::size_t index);
/// Gets a layer for this display based off an index.
const Layer& GetLayer(std::size_t index) const;
/// Gets the readable vsync event.
Kernel::SharedPtr<Kernel::ReadableEvent> GetVSyncEvent() const;
/// Signals the internal vsync event.
void SignalVSyncEvent();
/// Creates and adds a layer to this display with the given ID.
///
/// @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, NVFlinger::BufferQueue& buffer_queue);
/// Attempts to find a layer with the given ID.
///
/// @param id The layer ID.
///
/// @returns If found, the Layer instance with the given ID.
/// If not found, then nullptr is returned.
///
Layer* FindLayer(u64 id);
/// Attempts to find a layer with the given ID.
///
/// @param id The layer ID.
///
/// @returns If found, the Layer instance with the given ID.
/// If not found, then nullptr is returned.
///
const Layer* FindLayer(u64 id) const;
private:
u64 id;
std::string name;

3
src/core/hle/service/vi/layer/vi_layer.cpp
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@ -6,8 +6,7 @@
namespace Service::VI {
Layer::Layer(u64 id, std::shared_ptr<NVFlinger::BufferQueue> queue)
: id{id}, buffer_queue{std::move(queue)} {}
Layer::Layer(u64 id, NVFlinger::BufferQueue& queue) : id{id}, buffer_queue{queue} {}
Layer::~Layer() = default;

37
src/core/hle/service/vi/layer/vi_layer.h
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@ -4,8 +4,6 @@
#pragma once
#include <memory>
#include "common/common_types.h"
namespace Service::NVFlinger {
@ -14,12 +12,41 @@ class BufferQueue;
namespace Service::VI {
struct Layer {
Layer(u64 id, std::shared_ptr<NVFlinger::BufferQueue> queue);
/// Represents a single display layer.
class Layer {
public:
/// Constructs a layer with a given ID and buffer queue.
///
/// @param id The ID to assign to this layer.
/// @param queue The buffer queue for this layer to use.
///
Layer(u64 id, NVFlinger::BufferQueue& queue);
~Layer();
Layer(const Layer&) = delete;
Layer& operator=(const Layer&) = delete;
Layer(Layer&&) = default;
Layer& operator=(Layer&&) = delete;
/// Gets the ID for this layer.
u64 GetID() const {
return id;
}
/// Gets a reference to the buffer queue this layer is using.
NVFlinger::BufferQueue& GetBufferQueue() {
return buffer_queue;
}
/// Gets a const reference to the buffer queue this layer is using.
const NVFlinger::BufferQueue& GetBufferQueue() const {
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
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@ -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;