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7607d6bdd8
SubmitScheduler doesn't have to know anything about Acquire/Present as its responsibility to schedule and submit command buffers to a queue.
107 lines
2.7 KiB
C++
107 lines
2.7 KiB
C++
/* Copyright (C) 2026 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef INCLUDED_RENDERER_BACKEND_VULKAN_SUBMITSCHEDULER
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#define INCLUDED_RENDERER_BACKEND_VULKAN_SUBMITSCHEDULER
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#include "renderer/backend/vulkan/Device.h"
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#include <array>
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#include <cstdint>
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#include <glad/vulkan.h>
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#include <memory>
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#include <queue>
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#include <vector>
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namespace Renderer::Backend::Vulkan { class CRingCommandContext; }
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namespace Renderer
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{
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namespace Backend
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{
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namespace Vulkan
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{
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/**
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* A helper class to batch VkQueueSubmit calls and track VkCommandBuffer usages
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* properly.
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*/
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class CSubmitScheduler
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{
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public:
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using SubmitHandle = uint32_t;
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static constexpr SubmitHandle INVALID_SUBMIT_HANDLE = 0;
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static std::unique_ptr<CSubmitScheduler> Create(
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CDevice* device, VkQueue queue);
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~CSubmitScheduler();
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SubmitHandle Submit(VkCommandBuffer commandBuffer);
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void WaitUntilFree(const SubmitHandle handle);
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uint32_t GetFrameID() const { return m_FrameID; }
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SubmitHandle Flush();
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/**
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* It's a caller responsibility to guarantee a semaphore lifespan.
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*/
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void EnqueueWaitOnNextSubmit(VkSemaphore semaphore, const VkPipelineStageFlags stageMask);
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void EnqueueSignalOnNextSubmit(VkSemaphore semaphore);
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private:
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CSubmitScheduler(CDevice* device, VkQueue queue);
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CDevice* m_Device = nullptr;
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VkQueue m_Queue = VK_NULL_HANDLE;
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struct Fence
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{
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VkFence value = VK_NULL_HANDLE;
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SubmitHandle lastUsedHandle = INVALID_SUBMIT_HANDLE;
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bool inUse = false;
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};
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std::vector<Fence> m_Fences;
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uint32_t m_FenceIndex = 0;
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// We assume that we won't run so long that the frame ID will overflow.
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uint32_t m_FrameID = 0;
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SubmitHandle m_CurrentHandle = INVALID_SUBMIT_HANDLE + 1;
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struct SubmittedHandle
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{
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SubmitHandle value;
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uint32_t fenceIndex;
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};
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std::queue<SubmittedHandle> m_SubmittedHandles;
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std::vector<VkSemaphore> m_NextWaitSemaphores;
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std::vector<VkPipelineStageFlags> m_NextWaitDstStageMasks;
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std::vector<VkSemaphore> m_NextSubmitSignalSemaphores;
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std::vector<VkCommandBuffer> m_SubmittedCommandBuffers;
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};
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} // namespace Vulkan
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} // namespace Backend
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} // namespace Renderer
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#endif // INCLUDED_RENDERER_BACKEND_VULKAN_SUBMITSCHEDULER
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