forked from ShuriZma/suyu
1
0
Fork 0

Merge pull request #132 from Subv/nvflinger

VI: Move BufferQueue and NVFlinger to their own folder/namespace.
This commit is contained in:
bunnei 2018-01-22 13:22:20 -05:00 committed by GitHub
commit 7f19a7d305
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
9 changed files with 452 additions and 363 deletions

View File

@ -130,6 +130,10 @@ add_library(core STATIC
hle/service/nvdrv/nvdrv.h hle/service/nvdrv/nvdrv.h
hle/service/nvdrv/nvmemp.cpp hle/service/nvdrv/nvmemp.cpp
hle/service/nvdrv/nvmemp.h hle/service/nvdrv/nvmemp.h
hle/service/nvflinger/buffer_queue.cpp
hle/service/nvflinger/buffer_queue.h
hle/service/nvflinger/nvflinger.cpp
hle/service/nvflinger/nvflinger.h
hle/service/pctl/pctl.cpp hle/service/pctl/pctl.cpp
hle/service/pctl/pctl.h hle/service/pctl/pctl.h
hle/service/pctl/pctl_a.cpp hle/service/pctl/pctl_a.cpp

View File

@ -0,0 +1,96 @@
// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <algorithm>
#include "common/alignment.h"
#include "common/scope_exit.h"
#include "core/core_timing.h"
#include "core/hle/service/nvflinger/buffer_queue.h"
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");
}
void BufferQueue::SetPreallocatedBuffer(u32 slot, IGBPBuffer& igbp_buffer) {
Buffer buffer{};
buffer.slot = slot;
buffer.igbp_buffer = igbp_buffer;
buffer.status = Buffer::Status::Free;
LOG_WARNING(Service, "Adding graphics buffer %u", slot);
queue.emplace_back(buffer);
}
u32 BufferQueue::DequeueBuffer(u32 pixel_format, u32 width, u32 height) {
auto itr = std::find_if(queue.begin(), queue.end(), [&](const Buffer& buffer) {
// Only consider free buffers. Buffers become free once again after they've been Acquired
// and Released by the compositor, see the NVFlinger::Compose method.
if (buffer.status != Buffer::Status::Free)
return false;
// Make sure that the parameters match.
auto& igbp_buffer = buffer.igbp_buffer;
return igbp_buffer.format == pixel_format && igbp_buffer.width == width &&
igbp_buffer.height == height;
});
ASSERT(itr != queue.end());
itr->status = Buffer::Status::Dequeued;
return itr->slot;
}
const IGBPBuffer& BufferQueue::RequestBuffer(u32 slot) const {
auto itr = std::find_if(queue.begin(), queue.end(),
[&](const Buffer& buffer) { return buffer.slot == slot; });
ASSERT(itr != queue.end());
ASSERT(itr->status == Buffer::Status::Dequeued);
return itr->igbp_buffer;
}
void BufferQueue::QueueBuffer(u32 slot) {
auto itr = std::find_if(queue.begin(), queue.end(),
[&](const Buffer& buffer) { return buffer.slot == slot; });
ASSERT(itr != queue.end());
ASSERT(itr->status == Buffer::Status::Dequeued);
itr->status = Buffer::Status::Queued;
}
boost::optional<const BufferQueue::Buffer&> BufferQueue::AcquireBuffer() {
auto itr = std::find_if(queue.begin(), queue.end(), [](const Buffer& buffer) {
return buffer.status == Buffer::Status::Queued;
});
if (itr == queue.end())
return boost::none;
itr->status = Buffer::Status::Acquired;
return *itr;
}
void BufferQueue::ReleaseBuffer(u32 slot) {
auto itr = std::find_if(queue.begin(), queue.end(),
[&](const Buffer& buffer) { return buffer.slot == slot; });
ASSERT(itr != queue.end());
ASSERT(itr->status == Buffer::Status::Acquired);
itr->status = Buffer::Status::Free;
}
u32 BufferQueue::Query(QueryType type) {
LOG_WARNING(Service, "(STUBBED) called type=%u", static_cast<u32>(type));
switch (type) {
case QueryType::NativeWindowFormat:
// TODO(Subv): Use an enum for this
static constexpr u32 FormatABGR8 = 1;
return FormatABGR8;
}
UNIMPLEMENTED();
return 0;
}
} // namespace NVFlinger
} // namespace Service

View File

@ -0,0 +1,82 @@
// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <vector>
#include <boost/optional.hpp>
#include "common/swap.h"
#include "core/hle/kernel/event.h"
namespace CoreTiming {
struct EventType;
}
namespace Service {
namespace NVFlinger {
struct IGBPBuffer {
u32_le magic;
u32_le width;
u32_le height;
u32_le stride;
u32_le format;
u32_le usage;
INSERT_PADDING_WORDS(1);
u32_le index;
INSERT_PADDING_WORDS(3);
u32_le gpu_buffer_id;
INSERT_PADDING_WORDS(17);
u32_le nvmap_handle;
u32_le offset;
INSERT_PADDING_WORDS(60);
};
static_assert(sizeof(IGBPBuffer) == 0x16C, "IGBPBuffer has wrong size");
class BufferQueue final {
public:
enum class QueryType {
NativeWindowWidth = 0,
NativeWindowHeight = 1,
NativeWindowFormat = 2,
};
BufferQueue(u32 id, u64 layer_id);
~BufferQueue() = default;
struct Buffer {
enum class Status { Free = 0, Queued = 1, Dequeued = 2, Acquired = 3 };
u32 slot;
Status status = Status::Free;
IGBPBuffer igbp_buffer;
};
void SetPreallocatedBuffer(u32 slot, IGBPBuffer& buffer);
u32 DequeueBuffer(u32 pixel_format, u32 width, u32 height);
const IGBPBuffer& RequestBuffer(u32 slot) const;
void QueueBuffer(u32 slot);
boost::optional<const Buffer&> AcquireBuffer();
void ReleaseBuffer(u32 slot);
u32 Query(QueryType type);
u32 GetId() const {
return id;
}
Kernel::SharedPtr<Kernel::Event> GetNativeHandle() const {
return native_handle;
}
private:
u32 id;
u64 layer_id;
std::vector<Buffer> queue;
Kernel::SharedPtr<Kernel::Event> native_handle;
};
} // namespace NVFlinger
} // namespace Service

View File

@ -0,0 +1,161 @@
// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <algorithm>
#include "common/alignment.h"
#include "common/scope_exit.h"
#include "core/core_timing.h"
#include "core/hle/service/nvdrv/devices/nvdisp_disp0.h"
#include "core/hle/service/nvdrv/nvdrv.h"
#include "core/hle/service/nvflinger/buffer_queue.h"
#include "core/hle/service/nvflinger/nvflinger.h"
#include "video_core/renderer_base.h"
#include "video_core/video_core.h"
namespace Service {
namespace NVFlinger {
constexpr size_t SCREEN_REFRESH_RATE = 60;
constexpr u64 frame_ticks = static_cast<u64>(BASE_CLOCK_RATE / SCREEN_REFRESH_RATE);
NVFlinger::NVFlinger() {
// Add the different displays to the list of displays.
Display default_{0, "Default"};
Display external{1, "External"};
Display edid{2, "Edid"};
Display internal{3, "Internal"};
displays.emplace_back(default_);
displays.emplace_back(external);
displays.emplace_back(edid);
displays.emplace_back(internal);
// Schedule the screen composition events
composition_event =
CoreTiming::RegisterEvent("ScreenCompositioin", [this](u64 userdata, int cycles_late) {
Compose();
CoreTiming::ScheduleEvent(frame_ticks - cycles_late, composition_event);
});
CoreTiming::ScheduleEvent(frame_ticks, composition_event);
}
NVFlinger::~NVFlinger() {
CoreTiming::UnscheduleEvent(composition_event, 0);
}
u64 NVFlinger::OpenDisplay(const std::string& name) {
LOG_WARNING(Service, "Opening display %s", name.c_str());
// TODO(Subv): Currently we only support the Default display.
ASSERT(name == "Default");
auto itr = std::find_if(displays.begin(), displays.end(),
[&](const Display& display) { return display.name == name; });
ASSERT(itr != displays.end());
return itr->id;
}
u64 NVFlinger::CreateLayer(u64 display_id) {
auto& display = GetDisplay(display_id);
ASSERT_MSG(display.layers.empty(), "Only one layer is supported per display at the moment");
u64 layer_id = next_layer_id++;
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));
return layer_id;
}
u32 NVFlinger::GetBufferQueueId(u64 display_id, u64 layer_id) {
const auto& layer = GetLayer(display_id, layer_id);
return layer.buffer_queue->GetId();
}
Kernel::SharedPtr<Kernel::Event> NVFlinger::GetVsyncEvent(u64 display_id) {
const auto& display = GetDisplay(display_id);
return display.vsync_event;
}
std::shared_ptr<BufferQueue> NVFlinger::GetBufferQueue(u32 id) const {
auto itr = std::find_if(buffer_queues.begin(), buffer_queues.end(),
[&](const auto& queue) { return queue->GetId() == id; });
ASSERT(itr != buffer_queues.end());
return *itr;
}
Display& NVFlinger::GetDisplay(u64 display_id) {
auto itr = std::find_if(displays.begin(), displays.end(),
[&](const Display& display) { return display.id == display_id; });
ASSERT(itr != displays.end());
return *itr;
}
Layer& NVFlinger::GetLayer(u64 display_id, u64 layer_id) {
auto& display = GetDisplay(display_id);
auto itr = std::find_if(display.layers.begin(), display.layers.end(),
[&](const Layer& layer) { return layer.id == layer_id; });
ASSERT(itr != display.layers.end());
return *itr;
}
void NVFlinger::Compose() {
for (auto& display : displays) {
// Trigger vsync for this display at the end of drawing
SCOPE_EXIT({ display.vsync_event->Signal(); });
// Don't do anything for displays without layers.
if (display.layers.empty())
continue;
// TODO(Subv): Support more than 1 layer.
ASSERT_MSG(display.layers.size() == 1, "Max 1 layer per display is supported");
Layer& layer = display.layers[0];
auto& buffer_queue = layer.buffer_queue;
// Search for a queued buffer and acquire it
auto buffer = buffer_queue->AcquireBuffer();
if (buffer == boost::none) {
// There was no queued buffer to draw, render previous frame
VideoCore::g_renderer->SwapBuffers({});
continue;
}
auto& igbp_buffer = buffer->igbp_buffer;
// Now send the buffer to the GPU for drawing.
auto nvdrv = Nvidia::nvdrv.lock();
ASSERT(nvdrv);
// TODO(Subv): Support more than just disp0. The display device selection is probably based
// on which display we're drawing (Default, Internal, External, etc)
auto nvdisp = nvdrv->GetDevice<Nvidia::Devices::nvdisp_disp0>("/dev/nvdisp_disp0");
ASSERT(nvdisp);
nvdisp->flip(igbp_buffer.gpu_buffer_id, igbp_buffer.offset, igbp_buffer.format,
igbp_buffer.width, igbp_buffer.height, igbp_buffer.stride);
buffer_queue->ReleaseBuffer(buffer->slot);
}
}
Layer::Layer(u64 id, std::shared_ptr<BufferQueue> queue) : id(id), buffer_queue(std::move(queue)) {}
Display::Display(u64 id, std::string name) : id(id), name(std::move(name)) {
vsync_event = Kernel::Event::Create(Kernel::ResetType::Pulse, "Display VSync Event");
}
} // namespace NVFlinger
} // namespace Service

View File

@ -0,0 +1,84 @@
// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <memory>
#include <boost/optional.hpp>
#include "core/hle/kernel/event.h"
namespace CoreTiming {
struct EventType;
}
namespace Service {
namespace NVFlinger {
class BufferQueue;
struct Layer {
Layer(u64 id, std::shared_ptr<BufferQueue> queue);
~Layer() = default;
u64 id;
std::shared_ptr<BufferQueue> buffer_queue;
};
struct Display {
Display(u64 id, std::string name);
~Display() = default;
u64 id;
std::string name;
std::vector<Layer> layers;
Kernel::SharedPtr<Kernel::Event> vsync_event;
};
class NVFlinger final {
public:
NVFlinger();
~NVFlinger();
/// Opens the specified display and returns the id.
u64 OpenDisplay(const std::string& name);
/// Creates a layer on the specified display and returns the layer id.
u64 CreateLayer(u64 display_id);
/// Gets the buffer queue id of the specified layer in the specified display.
u32 GetBufferQueueId(u64 display_id, u64 layer_id);
/// Gets the vsync event for the specified display.
Kernel::SharedPtr<Kernel::Event> GetVsyncEvent(u64 display_id);
/// Obtains a buffer queue identified by the id.
std::shared_ptr<BufferQueue> GetBufferQueue(u32 id) const;
/// Performs a composition request to the emulated nvidia GPU and triggers the vsync events when
/// finished.
void Compose();
private:
/// Returns the display identified by the specified id.
Display& GetDisplay(u64 display_id);
/// Returns the layer identified by the specified id in the desired display.
Layer& GetLayer(u64 display_id, u64 layer_id);
std::vector<Display> displays;
std::vector<std::shared_ptr<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;
/// Id to use for the next buffer queue that is created, this counter is shared among all
/// layers.
u32 next_buffer_queue_id = 1;
/// CoreTiming event that handles screen composition.
CoreTiming::EventType* composition_event;
};
} // namespace NVFlinger
} // namespace Service

View File

@ -8,8 +8,7 @@
#include "common/scope_exit.h" #include "common/scope_exit.h"
#include "core/core_timing.h" #include "core/core_timing.h"
#include "core/hle/ipc_helpers.h" #include "core/hle/ipc_helpers.h"
#include "core/hle/service/nvdrv/devices/nvdisp_disp0.h" #include "core/hle/service/nvflinger/buffer_queue.h"
#include "core/hle/service/nvdrv/nvdrv.h"
#include "core/hle/service/vi/vi.h" #include "core/hle/service/vi/vi.h"
#include "core/hle/service/vi/vi_m.h" #include "core/hle/service/vi/vi_m.h"
#include "video_core/renderer_base.h" #include "video_core/renderer_base.h"
@ -18,9 +17,6 @@
namespace Service { namespace Service {
namespace VI { namespace VI {
constexpr size_t SCREEN_REFRESH_RATE = 60;
constexpr u64 frame_ticks = static_cast<u64>(BASE_CLOCK_RATE / SCREEN_REFRESH_RATE);
class Parcel { class Parcel {
public: public:
// This default size was chosen arbitrarily. // This default size was chosen arbitrarily.
@ -204,8 +200,8 @@ public:
void DeserializeData() override { void DeserializeData() override {
std::u16string token = ReadInterfaceToken(); std::u16string token = ReadInterfaceToken();
data = Read<Data>(); data = Read<Data>();
ASSERT(data.graphic_buffer_length == sizeof(IGBPBuffer)); ASSERT(data.graphic_buffer_length == sizeof(NVFlinger::IGBPBuffer));
buffer = Read<IGBPBuffer>(); buffer = Read<NVFlinger::IGBPBuffer>();
} }
struct Data { struct Data {
@ -216,7 +212,7 @@ public:
}; };
Data data; Data data;
IGBPBuffer buffer; NVFlinger::IGBPBuffer buffer;
}; };
class IGBPSetPreallocatedBufferResponseParcel : public Parcel { class IGBPSetPreallocatedBufferResponseParcel : public Parcel {
@ -288,7 +284,8 @@ public:
class IGBPRequestBufferResponseParcel : public Parcel { class IGBPRequestBufferResponseParcel : public Parcel {
public: public:
explicit IGBPRequestBufferResponseParcel(IGBPBuffer buffer) : Parcel(), buffer(buffer) {} explicit IGBPRequestBufferResponseParcel(NVFlinger::IGBPBuffer buffer)
: Parcel(), buffer(buffer) {}
~IGBPRequestBufferResponseParcel() override = default; ~IGBPRequestBufferResponseParcel() override = default;
protected: protected:
@ -296,7 +293,7 @@ protected:
// TODO(Subv): Find out what this all means // TODO(Subv): Find out what this all means
Write<u32_le>(1); Write<u32_le>(1);
Write<u32_le>(sizeof(IGBPBuffer)); Write<u32_le>(sizeof(NVFlinger::IGBPBuffer));
Write<u32_le>(0); // Unknown Write<u32_le>(0); // Unknown
Write(buffer); Write(buffer);
@ -304,7 +301,7 @@ protected:
Write<u32_le>(0); Write<u32_le>(0);
} }
IGBPBuffer buffer; NVFlinger::IGBPBuffer buffer;
}; };
class IGBPQueueBufferRequestParcel : public Parcel { class IGBPQueueBufferRequestParcel : public Parcel {
@ -387,7 +384,7 @@ private:
class IHOSBinderDriver final : public ServiceFramework<IHOSBinderDriver> { class IHOSBinderDriver final : public ServiceFramework<IHOSBinderDriver> {
public: public:
explicit IHOSBinderDriver(std::shared_ptr<NVFlinger> nv_flinger) explicit IHOSBinderDriver(std::shared_ptr<NVFlinger::NVFlinger> nv_flinger)
: ServiceFramework("IHOSBinderDriver"), nv_flinger(std::move(nv_flinger)) { : ServiceFramework("IHOSBinderDriver"), nv_flinger(std::move(nv_flinger)) {
static const FunctionInfo functions[] = { static const FunctionInfo functions[] = {
{0, &IHOSBinderDriver::TransactParcel, "TransactParcel"}, {0, &IHOSBinderDriver::TransactParcel, "TransactParcel"},
@ -477,7 +474,8 @@ private:
} else if (transaction == TransactionId::Query) { } else if (transaction == TransactionId::Query) {
IGBPQueryRequestParcel request{input_data}; IGBPQueryRequestParcel request{input_data};
u32 value = buffer_queue->Query(static_cast<BufferQueue::QueryType>(request.type)); u32 value =
buffer_queue->Query(static_cast<NVFlinger::BufferQueue::QueryType>(request.type));
IGBPQueryResponseParcel response{value}; IGBPQueryResponseParcel response{value};
auto response_buffer = response.Serialize(); auto response_buffer = response.Serialize();
@ -518,7 +516,7 @@ private:
rb.PushCopyObjects(buffer_queue->GetNativeHandle()); rb.PushCopyObjects(buffer_queue->GetNativeHandle());
} }
std::shared_ptr<NVFlinger> nv_flinger; std::shared_ptr<NVFlinger::NVFlinger> nv_flinger;
}; };
class ISystemDisplayService final : public ServiceFramework<ISystemDisplayService> { class ISystemDisplayService final : public ServiceFramework<ISystemDisplayService> {
@ -546,7 +544,7 @@ private:
class IManagerDisplayService final : public ServiceFramework<IManagerDisplayService> { class IManagerDisplayService final : public ServiceFramework<IManagerDisplayService> {
public: public:
explicit IManagerDisplayService(std::shared_ptr<NVFlinger> nv_flinger) explicit IManagerDisplayService(std::shared_ptr<NVFlinger::NVFlinger> nv_flinger)
: ServiceFramework("IManagerDisplayService"), nv_flinger(std::move(nv_flinger)) { : ServiceFramework("IManagerDisplayService"), nv_flinger(std::move(nv_flinger)) {
static const FunctionInfo functions[] = { static const FunctionInfo functions[] = {
{1020, &IManagerDisplayService::CloseDisplay, "CloseDisplay"}, {1020, &IManagerDisplayService::CloseDisplay, "CloseDisplay"},
@ -593,7 +591,7 @@ private:
rb.Push(RESULT_SUCCESS); rb.Push(RESULT_SUCCESS);
} }
std::shared_ptr<NVFlinger> nv_flinger; std::shared_ptr<NVFlinger::NVFlinger> nv_flinger;
}; };
void IApplicationDisplayService::GetRelayService(Kernel::HLERequestContext& ctx) { void IApplicationDisplayService::GetRelayService(Kernel::HLERequestContext& ctx) {
@ -734,7 +732,8 @@ void IApplicationDisplayService::GetDisplayVsyncEvent(Kernel::HLERequestContext&
rb.PushCopyObjects(vsync_event); rb.PushCopyObjects(vsync_event);
} }
IApplicationDisplayService::IApplicationDisplayService(std::shared_ptr<NVFlinger> nv_flinger) IApplicationDisplayService::IApplicationDisplayService(
std::shared_ptr<NVFlinger::NVFlinger> nv_flinger)
: ServiceFramework("IApplicationDisplayService"), nv_flinger(std::move(nv_flinger)) { : ServiceFramework("IApplicationDisplayService"), nv_flinger(std::move(nv_flinger)) {
static const FunctionInfo functions[] = { static const FunctionInfo functions[] = {
{100, &IApplicationDisplayService::GetRelayService, "GetRelayService"}, {100, &IApplicationDisplayService::GetRelayService, "GetRelayService"},
@ -758,222 +757,5 @@ void InstallInterfaces(SM::ServiceManager& service_manager) {
std::make_shared<VI_M>()->InstallAsService(service_manager); std::make_shared<VI_M>()->InstallAsService(service_manager);
} }
NVFlinger::NVFlinger() {
// Add the different displays to the list of displays.
Display default_{0, "Default"};
Display external{1, "External"};
Display edid{2, "Edid"};
Display internal{3, "Internal"};
displays.emplace_back(default_);
displays.emplace_back(external);
displays.emplace_back(edid);
displays.emplace_back(internal);
// Schedule the screen composition events
composition_event =
CoreTiming::RegisterEvent("ScreenCompositioin", [this](u64 userdata, int cycles_late) {
Compose();
CoreTiming::ScheduleEvent(frame_ticks - cycles_late, composition_event);
});
CoreTiming::ScheduleEvent(frame_ticks, composition_event);
}
NVFlinger::~NVFlinger() {
CoreTiming::UnscheduleEvent(composition_event, 0);
}
u64 NVFlinger::OpenDisplay(const std::string& name) {
LOG_WARNING(Service, "Opening display %s", name.c_str());
// TODO(Subv): Currently we only support the Default display.
ASSERT(name == "Default");
auto itr = std::find_if(displays.begin(), displays.end(),
[&](const Display& display) { return display.name == name; });
ASSERT(itr != displays.end());
return itr->id;
}
u64 NVFlinger::CreateLayer(u64 display_id) {
auto& display = GetDisplay(display_id);
ASSERT_MSG(display.layers.empty(), "Only one layer is supported per display at the moment");
u64 layer_id = next_layer_id++;
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));
return layer_id;
}
u32 NVFlinger::GetBufferQueueId(u64 display_id, u64 layer_id) {
const auto& layer = GetLayer(display_id, layer_id);
return layer.buffer_queue->GetId();
}
Kernel::SharedPtr<Kernel::Event> NVFlinger::GetVsyncEvent(u64 display_id) {
const auto& display = GetDisplay(display_id);
return display.vsync_event;
}
std::shared_ptr<BufferQueue> NVFlinger::GetBufferQueue(u32 id) const {
auto itr = std::find_if(buffer_queues.begin(), buffer_queues.end(),
[&](const auto& queue) { return queue->GetId() == id; });
ASSERT(itr != buffer_queues.end());
return *itr;
}
Display& NVFlinger::GetDisplay(u64 display_id) {
auto itr = std::find_if(displays.begin(), displays.end(),
[&](const Display& display) { return display.id == display_id; });
ASSERT(itr != displays.end());
return *itr;
}
Layer& NVFlinger::GetLayer(u64 display_id, u64 layer_id) {
auto& display = GetDisplay(display_id);
auto itr = std::find_if(display.layers.begin(), display.layers.end(),
[&](const Layer& layer) { return layer.id == layer_id; });
ASSERT(itr != display.layers.end());
return *itr;
}
void NVFlinger::Compose() {
for (auto& display : displays) {
// Trigger vsync for this display at the end of drawing
SCOPE_EXIT({ display.vsync_event->Signal(); });
// Don't do anything for displays without layers.
if (display.layers.empty())
continue;
// TODO(Subv): Support more than 1 layer.
ASSERT_MSG(display.layers.size() == 1, "Max 1 layer per display is supported");
Layer& layer = display.layers[0];
auto& buffer_queue = layer.buffer_queue;
// Search for a queued buffer and acquire it
auto buffer = buffer_queue->AcquireBuffer();
if (buffer == boost::none) {
// There was no queued buffer to draw, render previous frame
VideoCore::g_renderer->SwapBuffers({});
continue;
}
auto& igbp_buffer = buffer->igbp_buffer;
// Now send the buffer to the GPU for drawing.
auto nvdrv = Nvidia::nvdrv.lock();
ASSERT(nvdrv);
// TODO(Subv): Support more than just disp0. The display device selection is probably based
// on which display we're drawing (Default, Internal, External, etc)
auto nvdisp = nvdrv->GetDevice<Nvidia::Devices::nvdisp_disp0>("/dev/nvdisp_disp0");
ASSERT(nvdisp);
nvdisp->flip(igbp_buffer.gpu_buffer_id, igbp_buffer.offset, igbp_buffer.format,
igbp_buffer.width, igbp_buffer.height, igbp_buffer.stride);
buffer_queue->ReleaseBuffer(buffer->slot);
}
}
BufferQueue::BufferQueue(u32 id, u64 layer_id) : id(id), layer_id(layer_id) {
native_handle = Kernel::Event::Create(Kernel::ResetType::OneShot, "BufferQueue NativeHandle");
}
void BufferQueue::SetPreallocatedBuffer(u32 slot, IGBPBuffer& igbp_buffer) {
Buffer buffer{};
buffer.slot = slot;
buffer.igbp_buffer = igbp_buffer;
buffer.status = Buffer::Status::Free;
LOG_WARNING(Service, "Adding graphics buffer %u", slot);
queue.emplace_back(buffer);
}
u32 BufferQueue::DequeueBuffer(u32 pixel_format, u32 width, u32 height) {
auto itr = std::find_if(queue.begin(), queue.end(), [&](const Buffer& buffer) {
// Only consider free buffers. Buffers become free once again after they've been Acquired
// and Released by the compositor, see the NVFlinger::Compose method.
if (buffer.status != Buffer::Status::Free)
return false;
// Make sure that the parameters match.
auto& igbp_buffer = buffer.igbp_buffer;
return igbp_buffer.format == pixel_format && igbp_buffer.width == width &&
igbp_buffer.height == height;
});
ASSERT(itr != queue.end());
itr->status = Buffer::Status::Dequeued;
return itr->slot;
}
const IGBPBuffer& BufferQueue::RequestBuffer(u32 slot) const {
auto itr = std::find_if(queue.begin(), queue.end(),
[&](const Buffer& buffer) { return buffer.slot == slot; });
ASSERT(itr != queue.end());
ASSERT(itr->status == Buffer::Status::Dequeued);
return itr->igbp_buffer;
}
void BufferQueue::QueueBuffer(u32 slot) {
auto itr = std::find_if(queue.begin(), queue.end(),
[&](const Buffer& buffer) { return buffer.slot == slot; });
ASSERT(itr != queue.end());
ASSERT(itr->status == Buffer::Status::Dequeued);
itr->status = Buffer::Status::Queued;
}
boost::optional<const BufferQueue::Buffer&> BufferQueue::AcquireBuffer() {
auto itr = std::find_if(queue.begin(), queue.end(), [](const Buffer& buffer) {
return buffer.status == Buffer::Status::Queued;
});
if (itr == queue.end())
return boost::none;
itr->status = Buffer::Status::Acquired;
return *itr;
}
void BufferQueue::ReleaseBuffer(u32 slot) {
auto itr = std::find_if(queue.begin(), queue.end(),
[&](const Buffer& buffer) { return buffer.slot == slot; });
ASSERT(itr != queue.end());
ASSERT(itr->status == Buffer::Status::Acquired);
itr->status = Buffer::Status::Free;
}
u32 BufferQueue::Query(QueryType type) {
LOG_WARNING(Service, "(STUBBED) called type=%u", static_cast<u32>(type));
switch (type) {
case QueryType::NativeWindowFormat:
// TODO(Subv): Use an enum for this
static constexpr u32 FormatABGR8 = 1;
return FormatABGR8;
}
UNIMPLEMENTED();
return 0;
}
Layer::Layer(u64 id, std::shared_ptr<BufferQueue> queue) : id(id), buffer_queue(std::move(queue)) {}
Display::Display(u64 id, std::string name) : id(id), name(std::move(name)) {
vsync_event = Kernel::Event::Create(Kernel::ResetType::Pulse, "Display VSync Event");
}
} // namespace VI } // namespace VI
} // namespace Service } // namespace Service

View File

@ -7,6 +7,7 @@
#include <memory> #include <memory>
#include <boost/optional.hpp> #include <boost/optional.hpp>
#include "core/hle/kernel/event.h" #include "core/hle/kernel/event.h"
#include "core/hle/service/nvflinger/nvflinger.h"
#include "core/hle/service/service.h" #include "core/hle/service/service.h"
namespace CoreTiming { namespace CoreTiming {
@ -16,134 +17,9 @@ struct EventType;
namespace Service { namespace Service {
namespace VI { namespace VI {
struct IGBPBuffer {
u32_le magic;
u32_le width;
u32_le height;
u32_le stride;
u32_le format;
u32_le usage;
INSERT_PADDING_WORDS(1);
u32_le index;
INSERT_PADDING_WORDS(3);
u32_le gpu_buffer_id;
INSERT_PADDING_WORDS(17);
u32_le nvmap_handle;
u32_le offset;
INSERT_PADDING_WORDS(60);
};
static_assert(sizeof(IGBPBuffer) == 0x16C, "IGBPBuffer has wrong size");
class BufferQueue {
public:
enum class QueryType {
NativeWindowWidth = 0,
NativeWindowHeight = 1,
NativeWindowFormat = 2,
};
BufferQueue(u32 id, u64 layer_id);
~BufferQueue() = default;
struct Buffer {
enum class Status { Free = 0, Queued = 1, Dequeued = 2, Acquired = 3 };
u32 slot;
Status status = Status::Free;
IGBPBuffer igbp_buffer;
};
void SetPreallocatedBuffer(u32 slot, IGBPBuffer& buffer);
u32 DequeueBuffer(u32 pixel_format, u32 width, u32 height);
const IGBPBuffer& RequestBuffer(u32 slot) const;
void QueueBuffer(u32 slot);
boost::optional<const Buffer&> AcquireBuffer();
void ReleaseBuffer(u32 slot);
u32 Query(QueryType type);
u32 GetId() const {
return id;
}
Kernel::SharedPtr<Kernel::Event> GetNativeHandle() const {
return native_handle;
}
private:
u32 id;
u64 layer_id;
std::vector<Buffer> queue;
Kernel::SharedPtr<Kernel::Event> native_handle;
};
struct Layer {
Layer(u64 id, std::shared_ptr<BufferQueue> queue);
~Layer() = default;
u64 id;
std::shared_ptr<BufferQueue> buffer_queue;
};
struct Display {
Display(u64 id, std::string name);
~Display() = default;
u64 id;
std::string name;
std::vector<Layer> layers;
Kernel::SharedPtr<Kernel::Event> vsync_event;
};
class NVFlinger {
public:
NVFlinger();
~NVFlinger();
/// Opens the specified display and returns the id.
u64 OpenDisplay(const std::string& name);
/// Creates a layer on the specified display and returns the layer id.
u64 CreateLayer(u64 display_id);
/// Gets the buffer queue id of the specified layer in the specified display.
u32 GetBufferQueueId(u64 display_id, u64 layer_id);
/// Gets the vsync event for the specified display.
Kernel::SharedPtr<Kernel::Event> GetVsyncEvent(u64 display_id);
/// Obtains a buffer queue identified by the id.
std::shared_ptr<BufferQueue> GetBufferQueue(u32 id) const;
/// Performs a composition request to the emulated nvidia GPU and triggers the vsync events when
/// finished.
void Compose();
private:
/// Returns the display identified by the specified id.
Display& GetDisplay(u64 display_id);
/// Returns the layer identified by the specified id in the desired display.
Layer& GetLayer(u64 display_id, u64 layer_id);
std::vector<Display> displays;
std::vector<std::shared_ptr<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;
/// Id to use for the next buffer queue that is created, this counter is shared among all
/// layers.
u32 next_buffer_queue_id = 1;
/// CoreTiming event that handles screen composition.
CoreTiming::EventType* composition_event;
};
class IApplicationDisplayService final : public ServiceFramework<IApplicationDisplayService> { class IApplicationDisplayService final : public ServiceFramework<IApplicationDisplayService> {
public: public:
IApplicationDisplayService(std::shared_ptr<NVFlinger> nv_flinger); IApplicationDisplayService(std::shared_ptr<NVFlinger::NVFlinger> nv_flinger);
~IApplicationDisplayService() = default; ~IApplicationDisplayService() = default;
private: private:
@ -159,7 +35,7 @@ private:
void DestroyStrayLayer(Kernel::HLERequestContext& ctx); void DestroyStrayLayer(Kernel::HLERequestContext& ctx);
void GetDisplayVsyncEvent(Kernel::HLERequestContext& ctx); void GetDisplayVsyncEvent(Kernel::HLERequestContext& ctx);
std::shared_ptr<NVFlinger> nv_flinger; std::shared_ptr<NVFlinger::NVFlinger> nv_flinger;
}; };
/// Registers all VI services with the specified service manager. /// Registers all VI services with the specified service manager.

View File

@ -23,7 +23,7 @@ VI_M::VI_M() : ServiceFramework("vi:m") {
{3, nullptr, "GetDisplayServiceWithProxyNameExchange"}, {3, nullptr, "GetDisplayServiceWithProxyNameExchange"},
}; };
RegisterHandlers(functions); RegisterHandlers(functions);
nv_flinger = std::make_shared<NVFlinger>(); nv_flinger = std::make_shared<NVFlinger::NVFlinger>();
} }
} // namespace VI } // namespace VI

View File

@ -8,6 +8,10 @@
#include "core/hle/service/service.h" #include "core/hle/service/service.h"
namespace Service { namespace Service {
namespace NVFlinger {
class NVFlinger;
}
namespace VI { namespace VI {
class VI_M final : public ServiceFramework<VI_M> { class VI_M final : public ServiceFramework<VI_M> {
@ -18,7 +22,7 @@ public:
private: private:
void GetDisplayService(Kernel::HLERequestContext& ctx); void GetDisplayService(Kernel::HLERequestContext& ctx);
std::shared_ptr<NVFlinger> nv_flinger; std::shared_ptr<NVFlinger::NVFlinger> nv_flinger;
}; };
} // namespace VI } // namespace VI