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// Copyright 2019 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <memory>
#include <mutex>
#include <optional>
#include <thread>
#include <utility>
#include "common/microprofile.h"
#include "common/thread.h"
#include "video_core/renderer_vulkan/vk_device.h"
#include "video_core/renderer_vulkan/vk_query_cache.h"
#include "video_core/renderer_vulkan/vk_resource_manager.h"
#include "video_core/renderer_vulkan/vk_scheduler.h"
#include "video_core/renderer_vulkan/vk_state_tracker.h"
#include "video_core/renderer_vulkan/wrapper.h"
namespace Vulkan {
MICROPROFILE_DECLARE(Vulkan_WaitForWorker);
void VKScheduler::CommandChunk::ExecuteAll(vk::CommandBuffer cmdbuf) {
auto command = first;
while (command != nullptr) {
auto next = command->GetNext();
command->Execute(cmdbuf);
command->~Command();
command = next;
}
command_offset = 0;
first = nullptr;
last = nullptr;
}
VKScheduler::VKScheduler(const VKDevice& device, VKResourceManager& resource_manager,
StateTracker& state_tracker)
: device{device}, resource_manager{resource_manager}, state_tracker{state_tracker},
next_fence{&resource_manager.CommitFence()} {
AcquireNewChunk();
AllocateNewContext();
worker_thread = std::thread(&VKScheduler::WorkerThread, this);
}
VKScheduler::~VKScheduler() {
quit = true;
cv.notify_all();
worker_thread.join();
}
void VKScheduler::Flush(bool release_fence, VkSemaphore semaphore) {
SubmitExecution(semaphore);
if (release_fence) {
current_fence->Release();
}
AllocateNewContext();
}
void VKScheduler::Finish(bool release_fence, VkSemaphore semaphore) {
SubmitExecution(semaphore);
current_fence->Wait();
if (release_fence) {
current_fence->Release();
}
AllocateNewContext();
}
void VKScheduler::WaitWorker() {
MICROPROFILE_SCOPE(Vulkan_WaitForWorker);
DispatchWork();
bool finished = false;
do {
cv.notify_all();
std::unique_lock lock{mutex};
finished = chunk_queue.Empty();
} while (!finished);
}
void VKScheduler::DispatchWork() {
if (chunk->Empty()) {
return;
}
chunk_queue.Push(std::move(chunk));
cv.notify_all();
AcquireNewChunk();
}
void VKScheduler::RequestRenderpass(VkRenderPass renderpass, VkFramebuffer framebuffer,
VkExtent2D render_area) {
if (renderpass == state.renderpass && framebuffer == state.framebuffer &&
render_area.width == state.render_area.width &&
render_area.height == state.render_area.height) {
return;
}
const bool end_renderpass = state.renderpass != nullptr;
state.renderpass = renderpass;
state.framebuffer = framebuffer;
state.render_area = render_area;
VkRenderPassBeginInfo renderpass_bi;
renderpass_bi.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO;
renderpass_bi.pNext = nullptr;
renderpass_bi.renderPass = renderpass;
renderpass_bi.framebuffer = framebuffer;
renderpass_bi.renderArea.offset.x = 0;
renderpass_bi.renderArea.offset.y = 0;
renderpass_bi.renderArea.extent = render_area;
renderpass_bi.clearValueCount = 0;
renderpass_bi.pClearValues = nullptr;
Record([renderpass_bi, end_renderpass](vk::CommandBuffer cmdbuf) {
if (end_renderpass) {
cmdbuf.EndRenderPass();
}
cmdbuf.BeginRenderPass(renderpass_bi, VK_SUBPASS_CONTENTS_INLINE);
});
}
void VKScheduler::RequestOutsideRenderPassOperationContext() {
EndRenderPass();
}
void VKScheduler::BindGraphicsPipeline(VkPipeline pipeline) {
if (state.graphics_pipeline == pipeline) {
return;
}
state.graphics_pipeline = pipeline;
Record([pipeline](vk::CommandBuffer cmdbuf) {
cmdbuf.BindPipeline(VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline);
});
}
void VKScheduler::WorkerThread() {
Common::SetCurrentThreadPriority(Common::ThreadPriority::High);
std::unique_lock lock{mutex};
do {
cv.wait(lock, [this] { return !chunk_queue.Empty() || quit; });
if (quit) {
continue;
}
auto extracted_chunk = std::move(chunk_queue.Front());
chunk_queue.Pop();
extracted_chunk->ExecuteAll(current_cmdbuf);
chunk_reserve.Push(std::move(extracted_chunk));
} while (!quit);
}
void VKScheduler::SubmitExecution(VkSemaphore semaphore) {
EndPendingOperations();
InvalidateState();
WaitWorker();
std::unique_lock lock{mutex};
current_cmdbuf.End();
VkSubmitInfo submit_info;
submit_info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
submit_info.pNext = nullptr;
submit_info.waitSemaphoreCount = 0;
submit_info.pWaitSemaphores = nullptr;
submit_info.pWaitDstStageMask = nullptr;
submit_info.commandBufferCount = 1;
submit_info.pCommandBuffers = current_cmdbuf.address();
submit_info.signalSemaphoreCount = semaphore ? 1 : 0;
submit_info.pSignalSemaphores = &semaphore;
switch (const VkResult result = device.GetGraphicsQueue().Submit(submit_info, *current_fence)) {
case VK_SUCCESS:
break;
case VK_ERROR_DEVICE_LOST:
device.ReportLoss();
[[fallthrough]];
default:
vk::Check(result);
}
}
void VKScheduler::AllocateNewContext() {
++ticks;
VkCommandBufferBeginInfo cmdbuf_bi;
cmdbuf_bi.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
cmdbuf_bi.pNext = nullptr;
cmdbuf_bi.flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
cmdbuf_bi.pInheritanceInfo = nullptr;
std::unique_lock lock{mutex};
current_fence = next_fence;
next_fence = &resource_manager.CommitFence();
current_cmdbuf = vk::CommandBuffer(resource_manager.CommitCommandBuffer(*current_fence),
device.GetDispatchLoader());
current_cmdbuf.Begin(cmdbuf_bi);
// Enable counters once again. These are disabled when a command buffer is finished.
if (query_cache) {
query_cache->UpdateCounters();
}
}
void VKScheduler::InvalidateState() {
state.graphics_pipeline = nullptr;
state_tracker.InvalidateCommandBufferState();
}
void VKScheduler::EndPendingOperations() {
query_cache->DisableStreams();
EndRenderPass();
}
void VKScheduler::EndRenderPass() {
if (!state.renderpass) {
return;
}
state.renderpass = nullptr;
Record([](vk::CommandBuffer cmdbuf) { cmdbuf.EndRenderPass(); });
}
void VKScheduler::AcquireNewChunk() {
if (chunk_reserve.Empty()) {
chunk = std::make_unique<CommandChunk>();
return;
}
chunk = std::move(chunk_reserve.Front());
chunk_reserve.Pop();
}
} // namespace Vulkan
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