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author | ReinUsesLisp <reinuseslisp@airmail.cc> | 2019-12-13 06:24:48 +0100 |
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committer | ReinUsesLisp <reinuseslisp@airmail.cc> | 2019-12-13 06:24:48 +0100 |
commit | 2df9a2dcaf73bb548eea8584f2b47d18b18ea116 (patch) | |
tree | 03552b867c0577604a8348908c0b900a1d7a2344 /src/video_core | |
parent | Merge pull request #3217 from jhol/fix-boost-include (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/video_core/renderer_vulkan/vk_scheduler.cpp | 150 | ||||
-rw-r--r-- | src/video_core/renderer_vulkan/vk_scheduler.h | 198 |
2 files changed, 311 insertions, 37 deletions
diff --git a/src/video_core/renderer_vulkan/vk_scheduler.cpp b/src/video_core/renderer_vulkan/vk_scheduler.cpp index 0f8116458..d66133ad1 100644 --- a/src/video_core/renderer_vulkan/vk_scheduler.cpp +++ b/src/video_core/renderer_vulkan/vk_scheduler.cpp @@ -3,7 +3,7 @@ // Refer to the license.txt file included. #include "common/assert.h" -#include "common/logging/log.h" +#include "common/microprofile.h" #include "video_core/renderer_vulkan/declarations.h" #include "video_core/renderer_vulkan/vk_device.h" #include "video_core/renderer_vulkan/vk_resource_manager.h" @@ -11,46 +11,172 @@ namespace Vulkan { +MICROPROFILE_DECLARE(Vulkan_WaitForWorker); + +void VKScheduler::CommandChunk::ExecuteAll(vk::CommandBuffer cmdbuf, + const vk::DispatchLoaderDynamic& dld) { + auto command = first; + while (command != nullptr) { + auto next = command->GetNext(); + command->Execute(cmdbuf, dld); + command->~Command(); + command = next; + } + + command_offset = 0; + first = nullptr; + last = nullptr; +} + VKScheduler::VKScheduler(const VKDevice& device, VKResourceManager& resource_manager) - : device{device}, resource_manager{resource_manager} { - next_fence = &resource_manager.CommitFence(); + : device{device}, resource_manager{resource_manager}, next_fence{ + &resource_manager.CommitFence()} { + AcquireNewChunk(); AllocateNewContext(); + worker_thread = std::thread(&VKScheduler::WorkerThread, this); } -VKScheduler::~VKScheduler() = default; +VKScheduler::~VKScheduler() { + quit = true; + cv.notify_all(); + worker_thread.join(); +} void VKScheduler::Flush(bool release_fence, vk::Semaphore semaphore) { SubmitExecution(semaphore); - if (release_fence) + if (release_fence) { current_fence->Release(); + } AllocateNewContext(); } void VKScheduler::Finish(bool release_fence, vk::Semaphore semaphore) { SubmitExecution(semaphore); current_fence->Wait(); - if (release_fence) + 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(const vk::RenderPassBeginInfo& renderpass_bi) { + if (state.renderpass && renderpass_bi == *state.renderpass) { + return; + } + const bool end_renderpass = state.renderpass.has_value(); + state.renderpass = renderpass_bi; + Record([renderpass_bi, end_renderpass](auto cmdbuf, auto& dld) { + if (end_renderpass) { + cmdbuf.endRenderPass(dld); + } + cmdbuf.beginRenderPass(renderpass_bi, vk::SubpassContents::eInline, dld); + }); +} + +void VKScheduler::RequestOutsideRenderPassOperationContext() { + EndRenderPass(); +} + +void VKScheduler::BindGraphicsPipeline(vk::Pipeline pipeline) { + if (state.graphics_pipeline == pipeline) { + return; + } + state.graphics_pipeline = pipeline; + Record([pipeline](auto cmdbuf, auto& dld) { + cmdbuf.bindPipeline(vk::PipelineBindPoint::eGraphics, pipeline, dld); + }); +} + +void VKScheduler::WorkerThread() { + 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, device.GetDispatchLoader()); + chunk_reserve.Push(std::move(extracted_chunk)); + } while (!quit); +} + void VKScheduler::SubmitExecution(vk::Semaphore semaphore) { + EndPendingOperations(); + InvalidateState(); + WaitWorker(); + + std::unique_lock lock{mutex}; + + const auto queue = device.GetGraphicsQueue(); const auto& dld = device.GetDispatchLoader(); current_cmdbuf.end(dld); - const auto queue = device.GetGraphicsQueue(); - const vk::SubmitInfo submit_info(0, nullptr, nullptr, 1, ¤t_cmdbuf, semaphore ? 1u : 0u, + const vk::SubmitInfo submit_info(0, nullptr, nullptr, 1, ¤t_cmdbuf, semaphore ? 1U : 0U, &semaphore); - queue.submit({submit_info}, *current_fence, dld); + queue.submit({submit_info}, static_cast<vk::Fence>(*current_fence), dld); } void VKScheduler::AllocateNewContext() { + std::unique_lock lock{mutex}; current_fence = next_fence; - current_cmdbuf = resource_manager.CommitCommandBuffer(*current_fence); next_fence = &resource_manager.CommitFence(); - const auto& dld = device.GetDispatchLoader(); - current_cmdbuf.begin({vk::CommandBufferUsageFlagBits::eOneTimeSubmit}, dld); + current_cmdbuf = resource_manager.CommitCommandBuffer(*current_fence); + current_cmdbuf.begin({vk::CommandBufferUsageFlagBits::eOneTimeSubmit}, + device.GetDispatchLoader()); +} + +void VKScheduler::InvalidateState() { + state.graphics_pipeline = nullptr; + state.viewports = false; + state.scissors = false; + state.depth_bias = false; + state.blend_constants = false; + state.depth_bounds = false; + state.stencil_values = false; +} + +void VKScheduler::EndPendingOperations() { + EndRenderPass(); +} + +void VKScheduler::EndRenderPass() { + if (!state.renderpass) { + return; + } + state.renderpass = std::nullopt; + Record([](auto cmdbuf, auto& dld) { cmdbuf.endRenderPass(dld); }); +} + +void VKScheduler::AcquireNewChunk() { + if (chunk_reserve.Empty()) { + chunk = std::make_unique<CommandChunk>(); + return; + } + chunk = std::move(chunk_reserve.Front()); + chunk_reserve.Pop(); } } // namespace Vulkan diff --git a/src/video_core/renderer_vulkan/vk_scheduler.h b/src/video_core/renderer_vulkan/vk_scheduler.h index 0e5b49c7f..bcdffbba0 100644 --- a/src/video_core/renderer_vulkan/vk_scheduler.h +++ b/src/video_core/renderer_vulkan/vk_scheduler.h @@ -4,7 +4,14 @@ #pragma once +#include <condition_variable> +#include <memory> +#include <optional> +#include <stack> +#include <thread> +#include <utility> #include "common/common_types.h" +#include "common/threadsafe_queue.h" #include "video_core/renderer_vulkan/declarations.h" namespace Vulkan { @@ -30,56 +37,197 @@ private: VKFence* const& fence; }; -class VKCommandBufferView { +/// The scheduler abstracts command buffer and fence management with an interface that's able to do +/// OpenGL-like operations on Vulkan command buffers. +class VKScheduler { public: - VKCommandBufferView() = default; - VKCommandBufferView(const vk::CommandBuffer& cmdbuf) : cmdbuf{cmdbuf} {} + explicit VKScheduler(const VKDevice& device, VKResourceManager& resource_manager); + ~VKScheduler(); + + /// Sends the current execution context to the GPU. + void Flush(bool release_fence = true, vk::Semaphore semaphore = nullptr); + + /// Sends the current execution context to the GPU and waits for it to complete. + void Finish(bool release_fence = true, vk::Semaphore semaphore = nullptr); + + /// Waits for the worker thread to finish executing everything. After this function returns it's + /// safe to touch worker resources. + void WaitWorker(); + + /// Sends currently recorded work to the worker thread. + void DispatchWork(); + + /// Requests to begin a renderpass. + void RequestRenderpass(const vk::RenderPassBeginInfo& renderpass_bi); + + /// Requests the current executino context to be able to execute operations only allowed outside + /// of a renderpass. + void RequestOutsideRenderPassOperationContext(); + + /// Binds a pipeline to the current execution context. + void BindGraphicsPipeline(vk::Pipeline pipeline); - const vk::CommandBuffer* operator->() const noexcept { - return &cmdbuf; + /// Returns true when viewports have been set in the current command buffer. + bool TouchViewports() { + return std::exchange(state.viewports, true); } - operator vk::CommandBuffer() const noexcept { - return cmdbuf; + /// Returns true when scissors have been set in the current command buffer. + bool TouchScissors() { + return std::exchange(state.scissors, true); } -private: - const vk::CommandBuffer& cmdbuf; -}; + /// Returns true when depth bias have been set in the current command buffer. + bool TouchDepthBias() { + return std::exchange(state.depth_bias, true); + } -/// The scheduler abstracts command buffer and fence management with an interface that's able to do -/// OpenGL-like operations on Vulkan command buffers. -class VKScheduler { -public: - explicit VKScheduler(const VKDevice& device, VKResourceManager& resource_manager); - ~VKScheduler(); + /// Returns true when blend constants have been set in the current command buffer. + bool TouchBlendConstants() { + return std::exchange(state.blend_constants, true); + } + + /// Returns true when depth bounds have been set in the current command buffer. + bool TouchDepthBounds() { + return std::exchange(state.depth_bounds, true); + } + + /// Returns true when stencil values have been set in the current command buffer. + bool TouchStencilValues() { + return std::exchange(state.stencil_values, true); + } + + /// Send work to a separate thread. + template <typename T> + void Record(T&& command) { + if (chunk->Record(command)) { + return; + } + DispatchWork(); + (void)chunk->Record(command); + } /// Gets a reference to the current fence. VKFenceView GetFence() const { return current_fence; } - /// Gets a reference to the current command buffer. - VKCommandBufferView GetCommandBuffer() const { - return current_cmdbuf; - } +private: + class Command { + public: + virtual ~Command() = default; - /// Sends the current execution context to the GPU. - void Flush(bool release_fence = true, vk::Semaphore semaphore = nullptr); + virtual void Execute(vk::CommandBuffer cmdbuf, + const vk::DispatchLoaderDynamic& dld) const = 0; - /// Sends the current execution context to the GPU and waits for it to complete. - void Finish(bool release_fence = true, vk::Semaphore semaphore = nullptr); + Command* GetNext() const { + return next; + } + + void SetNext(Command* next_) { + next = next_; + } + + private: + Command* next = nullptr; + }; + + template <typename T> + class TypedCommand final : public Command { + public: + explicit TypedCommand(T&& command) : command{std::move(command)} {} + ~TypedCommand() override = default; + + TypedCommand(TypedCommand&&) = delete; + TypedCommand& operator=(TypedCommand&&) = delete; + + void Execute(vk::CommandBuffer cmdbuf, + const vk::DispatchLoaderDynamic& dld) const override { + command(cmdbuf, dld); + } + + private: + T command; + }; + + class CommandChunk final { + public: + void ExecuteAll(vk::CommandBuffer cmdbuf, const vk::DispatchLoaderDynamic& dld); + + template <typename T> + bool Record(T& command) { + using FuncType = TypedCommand<T>; + static_assert(sizeof(FuncType) < sizeof(data), "Lambda is too large"); + + if (command_offset > sizeof(data) - sizeof(FuncType)) { + return false; + } + + Command* current_last = last; + + last = new (data.data() + command_offset) FuncType(std::move(command)); + + if (current_last) { + current_last->SetNext(last); + } else { + first = last; + } + + command_offset += sizeof(FuncType); + return true; + } + + bool Empty() const { + return command_offset == 0; + } + + private: + Command* first = nullptr; + Command* last = nullptr; + + std::size_t command_offset = 0; + std::array<u8, 0x8000> data{}; + }; + + void WorkerThread(); -private: void SubmitExecution(vk::Semaphore semaphore); void AllocateNewContext(); + void InvalidateState(); + + void EndPendingOperations(); + + void EndRenderPass(); + + void AcquireNewChunk(); + const VKDevice& device; VKResourceManager& resource_manager; vk::CommandBuffer current_cmdbuf; VKFence* current_fence = nullptr; VKFence* next_fence = nullptr; + + struct State { + std::optional<vk::RenderPassBeginInfo> renderpass; + vk::Pipeline graphics_pipeline; + bool viewports = false; + bool scissors = false; + bool depth_bias = false; + bool blend_constants = false; + bool depth_bounds = false; + bool stencil_values = false; + } state; + + std::unique_ptr<CommandChunk> chunk; + std::thread worker_thread; + + Common::SPSCQueue<std::unique_ptr<CommandChunk>> chunk_queue; + Common::SPSCQueue<std::unique_ptr<CommandChunk>> chunk_reserve; + std::mutex mutex; + std::condition_variable cv; + bool quit = false; }; } // namespace Vulkan |