diff options
Diffstat (limited to 'src/core/hle/service/nvflinger')
-rw-r--r-- | src/core/hle/service/nvflinger/buffer_queue.cpp | 96 | ||||
-rw-r--r-- | src/core/hle/service/nvflinger/buffer_queue.h | 82 | ||||
-rw-r--r-- | src/core/hle/service/nvflinger/nvflinger.cpp | 161 | ||||
-rw-r--r-- | src/core/hle/service/nvflinger/nvflinger.h | 84 |
4 files changed, 423 insertions, 0 deletions
diff --git a/src/core/hle/service/nvflinger/buffer_queue.cpp b/src/core/hle/service/nvflinger/buffer_queue.cpp new file mode 100644 index 000000000..705bdbe5d --- /dev/null +++ b/src/core/hle/service/nvflinger/buffer_queue.cpp @@ -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 diff --git a/src/core/hle/service/nvflinger/buffer_queue.h b/src/core/hle/service/nvflinger/buffer_queue.h new file mode 100644 index 000000000..5c6719407 --- /dev/null +++ b/src/core/hle/service/nvflinger/buffer_queue.h @@ -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 diff --git a/src/core/hle/service/nvflinger/nvflinger.cpp b/src/core/hle/service/nvflinger/nvflinger.cpp new file mode 100644 index 000000000..fe622b986 --- /dev/null +++ b/src/core/hle/service/nvflinger/nvflinger.cpp @@ -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 diff --git a/src/core/hle/service/nvflinger/nvflinger.h b/src/core/hle/service/nvflinger/nvflinger.h new file mode 100644 index 000000000..3126018ad --- /dev/null +++ b/src/core/hle/service/nvflinger/nvflinger.h @@ -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 |