hle: service: nvflinger: Remove unused BufferQueue.
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bunnei
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2 changed files with 0 additions and 360 deletions
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// Copyright 2018 yuzu emulator team
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <algorithm>
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#include "common/assert.h"
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#include "common/logging/log.h"
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#include "core/core.h"
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#include "core/hle/kernel/k_writable_event.h"
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#include "core/hle/kernel/kernel.h"
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#include "core/hle/service/kernel_helpers.h"
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#include "core/hle/service/nvflinger/buffer_queue.h"
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namespace Service::NVFlinger {
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BufferQueue::BufferQueue(Kernel::KernelCore& kernel, u32 id_, u64 layer_id_,
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KernelHelpers::ServiceContext& service_context_)
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: id(id_), layer_id(layer_id_), service_context{service_context_} {
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buffer_wait_event = service_context.CreateEvent("BufferQueue:WaitEvent");
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}
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BufferQueue::~BufferQueue() {
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service_context.CloseEvent(buffer_wait_event);
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}
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void BufferQueue::SetPreallocatedBuffer(u32 slot, const IGBPBuffer& igbp_buffer) {
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ASSERT(slot < buffer_slots);
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LOG_WARNING(Service, "Adding graphics buffer {}", slot);
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{
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std::unique_lock lock{free_buffers_mutex};
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free_buffers.push_back(slot);
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}
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free_buffers_condition.notify_one();
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buffers[slot] = {
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.slot = slot,
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.status = Buffer::Status::Free,
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.igbp_buffer = igbp_buffer,
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.transform = {},
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.crop_rect = {},
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.swap_interval = 0,
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.multi_fence = {},
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};
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buffer_wait_event->GetWritableEvent().Signal();
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}
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std::optional<std::pair<u32, Service::Nvidia::MultiFence*>> BufferQueue::DequeueBuffer(u32 width,
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u32 height) {
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// Wait for first request before trying to dequeue
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{
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std::unique_lock lock{free_buffers_mutex};
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free_buffers_condition.wait(lock, [this] { return !free_buffers.empty() || !is_connect; });
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}
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if (!is_connect) {
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// Buffer was disconnected while the thread was blocked, this is most likely due to
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// emulation being stopped
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return std::nullopt;
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}
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std::unique_lock lock{free_buffers_mutex};
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auto f_itr = free_buffers.begin();
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auto slot = buffers.size();
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while (f_itr != free_buffers.end()) {
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const Buffer& buffer = buffers[*f_itr];
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if (buffer.status == Buffer::Status::Free && buffer.igbp_buffer.width == width &&
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buffer.igbp_buffer.height == height) {
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slot = *f_itr;
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free_buffers.erase(f_itr);
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break;
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}
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++f_itr;
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}
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if (slot == buffers.size()) {
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return std::nullopt;
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}
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buffers[slot].status = Buffer::Status::Dequeued;
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return {{buffers[slot].slot, &buffers[slot].multi_fence}};
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}
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const IGBPBuffer& BufferQueue::RequestBuffer(u32 slot) const {
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ASSERT(slot < buffers.size());
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ASSERT(buffers[slot].status == Buffer::Status::Dequeued);
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ASSERT(buffers[slot].slot == slot);
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return buffers[slot].igbp_buffer;
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}
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void BufferQueue::QueueBuffer(u32 slot, BufferTransformFlags transform,
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const Common::Rectangle<int>& crop_rect, u32 swap_interval,
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Service::Nvidia::MultiFence& multi_fence) {
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ASSERT(slot < buffers.size());
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ASSERT(buffers[slot].status == Buffer::Status::Dequeued);
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ASSERT(buffers[slot].slot == slot);
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buffers[slot].status = Buffer::Status::Queued;
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buffers[slot].transform = transform;
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buffers[slot].crop_rect = crop_rect;
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buffers[slot].swap_interval = swap_interval;
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buffers[slot].multi_fence = multi_fence;
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std::unique_lock lock{queue_sequence_mutex};
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queue_sequence.push_back(slot);
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}
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void BufferQueue::CancelBuffer(u32 slot, const Service::Nvidia::MultiFence& multi_fence) {
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ASSERT(slot < buffers.size());
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ASSERT(buffers[slot].status != Buffer::Status::Free);
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ASSERT(buffers[slot].slot == slot);
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buffers[slot].status = Buffer::Status::Free;
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buffers[slot].multi_fence = multi_fence;
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buffers[slot].swap_interval = 0;
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{
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std::unique_lock lock{free_buffers_mutex};
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free_buffers.push_back(slot);
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}
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free_buffers_condition.notify_one();
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buffer_wait_event->GetWritableEvent().Signal();
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}
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std::optional<std::reference_wrapper<const BufferQueue::Buffer>> BufferQueue::AcquireBuffer() {
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std::unique_lock lock{queue_sequence_mutex};
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std::size_t buffer_slot = buffers.size();
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// Iterate to find a queued buffer matching the requested slot.
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while (buffer_slot == buffers.size() && !queue_sequence.empty()) {
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const auto slot = static_cast<std::size_t>(queue_sequence.front());
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ASSERT(slot < buffers.size());
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if (buffers[slot].status == Buffer::Status::Queued) {
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ASSERT(buffers[slot].slot == slot);
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buffer_slot = slot;
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}
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queue_sequence.pop_front();
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}
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if (buffer_slot == buffers.size()) {
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return std::nullopt;
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}
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buffers[buffer_slot].status = Buffer::Status::Acquired;
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return {{buffers[buffer_slot]}};
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}
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void BufferQueue::ReleaseBuffer(u32 slot) {
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ASSERT(slot < buffers.size());
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ASSERT(buffers[slot].status == Buffer::Status::Acquired);
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ASSERT(buffers[slot].slot == slot);
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buffers[slot].status = Buffer::Status::Free;
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{
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std::unique_lock lock{free_buffers_mutex};
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free_buffers.push_back(slot);
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}
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free_buffers_condition.notify_one();
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buffer_wait_event->GetWritableEvent().Signal();
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}
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void BufferQueue::Connect() {
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std::unique_lock lock{queue_sequence_mutex};
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queue_sequence.clear();
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is_connect = true;
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}
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void BufferQueue::Disconnect() {
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buffers.fill({});
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{
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std::unique_lock lock{queue_sequence_mutex};
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queue_sequence.clear();
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}
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buffer_wait_event->GetWritableEvent().Signal();
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is_connect = false;
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free_buffers_condition.notify_one();
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}
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u32 BufferQueue::Query(QueryType type) {
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LOG_WARNING(Service, "(STUBBED) called type={}", type);
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switch (type) {
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case QueryType::NativeWindowFormat:
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return static_cast<u32>(PixelFormat::RGBA8888);
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case QueryType::NativeWindowWidth:
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case QueryType::NativeWindowHeight:
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break;
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case QueryType::NativeWindowMinUndequeuedBuffers:
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return 0;
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case QueryType::NativeWindowConsumerUsageBits:
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return 0;
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}
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UNIMPLEMENTED_MSG("Unimplemented query type={}", type);
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return 0;
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}
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Kernel::KWritableEvent& BufferQueue::GetWritableBufferWaitEvent() {
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return buffer_wait_event->GetWritableEvent();
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}
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Kernel::KReadableEvent& BufferQueue::GetBufferWaitEvent() {
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return buffer_wait_event->GetReadableEvent();
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}
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} // namespace Service::NVFlinger
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@ -1,154 +0,0 @@
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// Copyright 2018 yuzu emulator team
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <condition_variable>
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#include <list>
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#include <mutex>
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#include <optional>
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#include "common/common_funcs.h"
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#include "common/math_util.h"
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#include "common/swap.h"
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#include "core/hle/kernel/k_event.h"
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#include "core/hle/kernel/k_readable_event.h"
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#include "core/hle/service/nvdrv/nvdata.h"
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namespace Kernel {
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class KernelCore;
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class KEvent;
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class KReadableEvent;
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class KWritableEvent;
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} // namespace Kernel
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namespace Service::KernelHelpers {
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class ServiceContext;
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} // namespace Service::KernelHelpers
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namespace Service::NVFlinger {
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constexpr u32 buffer_slots = 0x40;
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struct IGBPBuffer {
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u32_le magic;
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u32_le width;
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u32_le height;
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u32_le stride;
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u32_le format;
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u32_le usage;
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INSERT_PADDING_WORDS(1);
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u32_le index;
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INSERT_PADDING_WORDS(3);
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u32_le gpu_buffer_id;
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INSERT_PADDING_WORDS(6);
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u32_le external_format;
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INSERT_PADDING_WORDS(10);
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u32_le nvmap_handle;
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u32_le offset;
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INSERT_PADDING_WORDS(60);
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};
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static_assert(sizeof(IGBPBuffer) == 0x16C, "IGBPBuffer has wrong size");
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class BufferQueue final {
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public:
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enum class QueryType {
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NativeWindowWidth = 0,
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NativeWindowHeight = 1,
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NativeWindowFormat = 2,
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/// The minimum number of buffers that must remain un-dequeued after a buffer has been
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/// queued
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NativeWindowMinUndequeuedBuffers = 3,
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/// The consumer gralloc usage bits currently set by the consumer
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NativeWindowConsumerUsageBits = 10,
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};
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explicit BufferQueue(Kernel::KernelCore& kernel, u32 id_, u64 layer_id_,
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KernelHelpers::ServiceContext& service_context_);
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~BufferQueue();
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enum class BufferTransformFlags : u32 {
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/// No transform flags are set
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Unset = 0x00,
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/// Flip source image horizontally (around the vertical axis)
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FlipH = 0x01,
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/// Flip source image vertically (around the horizontal axis)
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FlipV = 0x02,
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/// Rotate source image 90 degrees clockwise
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Rotate90 = 0x04,
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/// Rotate source image 180 degrees
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Rotate180 = 0x03,
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/// Rotate source image 270 degrees clockwise
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Rotate270 = 0x07,
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};
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enum class PixelFormat : u32 {
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RGBA8888 = 1,
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RGBX8888 = 2,
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RGB888 = 3,
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RGB565 = 4,
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BGRA8888 = 5,
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RGBA5551 = 6,
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RRGBA4444 = 7,
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};
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struct Buffer {
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enum class Status { Free = 0, Queued = 1, Dequeued = 2, Acquired = 3 };
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u32 slot;
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Status status = Status::Free;
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IGBPBuffer igbp_buffer;
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BufferTransformFlags transform;
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Common::Rectangle<int> crop_rect;
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u32 swap_interval;
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Service::Nvidia::MultiFence multi_fence;
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};
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void SetPreallocatedBuffer(u32 slot, const IGBPBuffer& igbp_buffer);
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std::optional<std::pair<u32, Service::Nvidia::MultiFence*>> DequeueBuffer(u32 width,
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u32 height);
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const IGBPBuffer& RequestBuffer(u32 slot) const;
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void QueueBuffer(u32 slot, BufferTransformFlags transform,
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const Common::Rectangle<int>& crop_rect, u32 swap_interval,
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Service::Nvidia::MultiFence& multi_fence);
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void CancelBuffer(u32 slot, const Service::Nvidia::MultiFence& multi_fence);
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std::optional<std::reference_wrapper<const Buffer>> AcquireBuffer();
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void ReleaseBuffer(u32 slot);
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void Connect();
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void Disconnect();
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u32 Query(QueryType type);
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u32 GetId() const {
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return id;
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}
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bool IsConnected() const {
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return is_connect;
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}
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Kernel::KWritableEvent& GetWritableBufferWaitEvent();
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Kernel::KReadableEvent& GetBufferWaitEvent();
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private:
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BufferQueue(const BufferQueue&) = delete;
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u32 id{};
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u64 layer_id{};
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std::atomic_bool is_connect{};
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std::list<u32> free_buffers;
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std::array<Buffer, buffer_slots> buffers;
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std::list<u32> queue_sequence;
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Kernel::KEvent* buffer_wait_event{};
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std::mutex free_buffers_mutex;
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std::condition_variable free_buffers_condition;
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std::mutex queue_sequence_mutex;
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KernelHelpers::ServiceContext& service_context;
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};
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} // namespace Service::NVFlinger
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