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author | bunnei <bunneidev@gmail.com> | 2022-03-26 06:58:23 +0100 |
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committer | bunnei <bunneidev@gmail.com> | 2022-03-26 06:58:23 +0100 |
commit | 741a8c303489fc99ffe964717a1abaf8fd84703d (patch) | |
tree | 6f2ba5dde1442224ca1338f0f50413f2b73d2d2b /src/core/hle/service/nvflinger | |
parent | Merge pull request #8080 from FernandoS27/yo-momma-so-fat-that (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/core/hle/service/nvflinger/buffer_queue.cpp | 206 | ||||
-rw-r--r-- | src/core/hle/service/nvflinger/buffer_queue.h | 154 |
2 files changed, 0 insertions, 360 deletions
diff --git a/src/core/hle/service/nvflinger/buffer_queue.cpp b/src/core/hle/service/nvflinger/buffer_queue.cpp deleted file mode 100644 index 5fead6d1b..000000000 --- a/src/core/hle/service/nvflinger/buffer_queue.cpp +++ /dev/null @@ -1,206 +0,0 @@ -// Copyright 2018 yuzu emulator team -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#include <algorithm> - -#include "common/assert.h" -#include "common/logging/log.h" -#include "core/core.h" -#include "core/hle/kernel/k_writable_event.h" -#include "core/hle/kernel/kernel.h" -#include "core/hle/service/kernel_helpers.h" -#include "core/hle/service/nvflinger/buffer_queue.h" - -namespace Service::NVFlinger { - -BufferQueue::BufferQueue(Kernel::KernelCore& kernel, u32 id_, u64 layer_id_, - KernelHelpers::ServiceContext& service_context_) - : id(id_), layer_id(layer_id_), service_context{service_context_} { - buffer_wait_event = service_context.CreateEvent("BufferQueue:WaitEvent"); -} - -BufferQueue::~BufferQueue() { - service_context.CloseEvent(buffer_wait_event); -} - -void BufferQueue::SetPreallocatedBuffer(u32 slot, const IGBPBuffer& igbp_buffer) { - ASSERT(slot < buffer_slots); - LOG_WARNING(Service, "Adding graphics buffer {}", slot); - - { - std::unique_lock lock{free_buffers_mutex}; - free_buffers.push_back(slot); - } - free_buffers_condition.notify_one(); - - buffers[slot] = { - .slot = slot, - .status = Buffer::Status::Free, - .igbp_buffer = igbp_buffer, - .transform = {}, - .crop_rect = {}, - .swap_interval = 0, - .multi_fence = {}, - }; - - buffer_wait_event->GetWritableEvent().Signal(); -} - -std::optional<std::pair<u32, Service::Nvidia::MultiFence*>> BufferQueue::DequeueBuffer(u32 width, - u32 height) { - // Wait for first request before trying to dequeue - { - std::unique_lock lock{free_buffers_mutex}; - free_buffers_condition.wait(lock, [this] { return !free_buffers.empty() || !is_connect; }); - } - - if (!is_connect) { - // Buffer was disconnected while the thread was blocked, this is most likely due to - // emulation being stopped - return std::nullopt; - } - - std::unique_lock lock{free_buffers_mutex}; - - auto f_itr = free_buffers.begin(); - auto slot = buffers.size(); - - while (f_itr != free_buffers.end()) { - const Buffer& buffer = buffers[*f_itr]; - if (buffer.status == Buffer::Status::Free && buffer.igbp_buffer.width == width && - buffer.igbp_buffer.height == height) { - slot = *f_itr; - free_buffers.erase(f_itr); - break; - } - ++f_itr; - } - if (slot == buffers.size()) { - return std::nullopt; - } - buffers[slot].status = Buffer::Status::Dequeued; - return {{buffers[slot].slot, &buffers[slot].multi_fence}}; -} - -const IGBPBuffer& BufferQueue::RequestBuffer(u32 slot) const { - ASSERT(slot < buffers.size()); - ASSERT(buffers[slot].status == Buffer::Status::Dequeued); - ASSERT(buffers[slot].slot == slot); - - return buffers[slot].igbp_buffer; -} - -void BufferQueue::QueueBuffer(u32 slot, BufferTransformFlags transform, - const Common::Rectangle<int>& crop_rect, u32 swap_interval, - Service::Nvidia::MultiFence& multi_fence) { - ASSERT(slot < buffers.size()); - ASSERT(buffers[slot].status == Buffer::Status::Dequeued); - ASSERT(buffers[slot].slot == slot); - - buffers[slot].status = Buffer::Status::Queued; - buffers[slot].transform = transform; - buffers[slot].crop_rect = crop_rect; - buffers[slot].swap_interval = swap_interval; - buffers[slot].multi_fence = multi_fence; - std::unique_lock lock{queue_sequence_mutex}; - queue_sequence.push_back(slot); -} - -void BufferQueue::CancelBuffer(u32 slot, const Service::Nvidia::MultiFence& multi_fence) { - ASSERT(slot < buffers.size()); - ASSERT(buffers[slot].status != Buffer::Status::Free); - ASSERT(buffers[slot].slot == slot); - - buffers[slot].status = Buffer::Status::Free; - buffers[slot].multi_fence = multi_fence; - buffers[slot].swap_interval = 0; - - { - std::unique_lock lock{free_buffers_mutex}; - free_buffers.push_back(slot); - } - free_buffers_condition.notify_one(); - - buffer_wait_event->GetWritableEvent().Signal(); -} - -std::optional<std::reference_wrapper<const BufferQueue::Buffer>> BufferQueue::AcquireBuffer() { - std::unique_lock lock{queue_sequence_mutex}; - std::size_t buffer_slot = buffers.size(); - // Iterate to find a queued buffer matching the requested slot. - while (buffer_slot == buffers.size() && !queue_sequence.empty()) { - const auto slot = static_cast<std::size_t>(queue_sequence.front()); - ASSERT(slot < buffers.size()); - if (buffers[slot].status == Buffer::Status::Queued) { - ASSERT(buffers[slot].slot == slot); - buffer_slot = slot; - } - queue_sequence.pop_front(); - } - if (buffer_slot == buffers.size()) { - return std::nullopt; - } - buffers[buffer_slot].status = Buffer::Status::Acquired; - return {{buffers[buffer_slot]}}; -} - -void BufferQueue::ReleaseBuffer(u32 slot) { - ASSERT(slot < buffers.size()); - ASSERT(buffers[slot].status == Buffer::Status::Acquired); - ASSERT(buffers[slot].slot == slot); - - buffers[slot].status = Buffer::Status::Free; - { - std::unique_lock lock{free_buffers_mutex}; - free_buffers.push_back(slot); - } - free_buffers_condition.notify_one(); - - buffer_wait_event->GetWritableEvent().Signal(); -} - -void BufferQueue::Connect() { - std::unique_lock lock{queue_sequence_mutex}; - queue_sequence.clear(); - is_connect = true; -} - -void BufferQueue::Disconnect() { - buffers.fill({}); - { - std::unique_lock lock{queue_sequence_mutex}; - queue_sequence.clear(); - } - buffer_wait_event->GetWritableEvent().Signal(); - is_connect = false; - free_buffers_condition.notify_one(); -} - -u32 BufferQueue::Query(QueryType type) { - LOG_WARNING(Service, "(STUBBED) called type={}", type); - - switch (type) { - case QueryType::NativeWindowFormat: - return static_cast<u32>(PixelFormat::RGBA8888); - case QueryType::NativeWindowWidth: - case QueryType::NativeWindowHeight: - break; - case QueryType::NativeWindowMinUndequeuedBuffers: - return 0; - case QueryType::NativeWindowConsumerUsageBits: - return 0; - } - UNIMPLEMENTED_MSG("Unimplemented query type={}", type); - return 0; -} - -Kernel::KWritableEvent& BufferQueue::GetWritableBufferWaitEvent() { - return buffer_wait_event->GetWritableEvent(); -} - -Kernel::KReadableEvent& BufferQueue::GetBufferWaitEvent() { - return buffer_wait_event->GetReadableEvent(); -} - -} // namespace Service::NVFlinger diff --git a/src/core/hle/service/nvflinger/buffer_queue.h b/src/core/hle/service/nvflinger/buffer_queue.h deleted file mode 100644 index f2a579133..000000000 --- a/src/core/hle/service/nvflinger/buffer_queue.h +++ /dev/null @@ -1,154 +0,0 @@ -// Copyright 2018 yuzu emulator team -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#pragma once - -#include <condition_variable> -#include <list> -#include <mutex> -#include <optional> - -#include "common/common_funcs.h" -#include "common/math_util.h" -#include "common/swap.h" -#include "core/hle/kernel/k_event.h" -#include "core/hle/kernel/k_readable_event.h" -#include "core/hle/service/nvdrv/nvdata.h" - -namespace Kernel { -class KernelCore; -class KEvent; -class KReadableEvent; -class KWritableEvent; -} // namespace Kernel - -namespace Service::KernelHelpers { -class ServiceContext; -} // namespace Service::KernelHelpers - -namespace Service::NVFlinger { - -constexpr u32 buffer_slots = 0x40; -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(6); - u32_le external_format; - INSERT_PADDING_WORDS(10); - 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, - /// The minimum number of buffers that must remain un-dequeued after a buffer has been - /// queued - NativeWindowMinUndequeuedBuffers = 3, - /// The consumer gralloc usage bits currently set by the consumer - NativeWindowConsumerUsageBits = 10, - }; - - explicit BufferQueue(Kernel::KernelCore& kernel, u32 id_, u64 layer_id_, - KernelHelpers::ServiceContext& service_context_); - ~BufferQueue(); - - enum class BufferTransformFlags : u32 { - /// No transform flags are set - Unset = 0x00, - /// Flip source image horizontally (around the vertical axis) - FlipH = 0x01, - /// Flip source image vertically (around the horizontal axis) - FlipV = 0x02, - /// Rotate source image 90 degrees clockwise - Rotate90 = 0x04, - /// Rotate source image 180 degrees - Rotate180 = 0x03, - /// Rotate source image 270 degrees clockwise - Rotate270 = 0x07, - }; - - enum class PixelFormat : u32 { - RGBA8888 = 1, - RGBX8888 = 2, - RGB888 = 3, - RGB565 = 4, - BGRA8888 = 5, - RGBA5551 = 6, - RRGBA4444 = 7, - }; - - struct Buffer { - enum class Status { Free = 0, Queued = 1, Dequeued = 2, Acquired = 3 }; - - u32 slot; - Status status = Status::Free; - IGBPBuffer igbp_buffer; - BufferTransformFlags transform; - Common::Rectangle<int> crop_rect; - u32 swap_interval; - Service::Nvidia::MultiFence multi_fence; - }; - - void SetPreallocatedBuffer(u32 slot, const IGBPBuffer& igbp_buffer); - std::optional<std::pair<u32, Service::Nvidia::MultiFence*>> DequeueBuffer(u32 width, - u32 height); - const IGBPBuffer& RequestBuffer(u32 slot) const; - void QueueBuffer(u32 slot, BufferTransformFlags transform, - const Common::Rectangle<int>& crop_rect, u32 swap_interval, - Service::Nvidia::MultiFence& multi_fence); - void CancelBuffer(u32 slot, const Service::Nvidia::MultiFence& multi_fence); - std::optional<std::reference_wrapper<const Buffer>> AcquireBuffer(); - void ReleaseBuffer(u32 slot); - void Connect(); - void Disconnect(); - u32 Query(QueryType type); - - u32 GetId() const { - return id; - } - - bool IsConnected() const { - return is_connect; - } - - Kernel::KWritableEvent& GetWritableBufferWaitEvent(); - - Kernel::KReadableEvent& GetBufferWaitEvent(); - -private: - BufferQueue(const BufferQueue&) = delete; - - u32 id{}; - u64 layer_id{}; - std::atomic_bool is_connect{}; - - std::list<u32> free_buffers; - std::array<Buffer, buffer_slots> buffers; - std::list<u32> queue_sequence; - Kernel::KEvent* buffer_wait_event{}; - - std::mutex free_buffers_mutex; - std::condition_variable free_buffers_condition; - - std::mutex queue_sequence_mutex; - - KernelHelpers::ServiceContext& service_context; -}; - -} // namespace Service::NVFlinger |