99 lines
3.2 KiB
C++
99 lines
3.2 KiB
C++
#ifndef HGL_GRAPH_VULKAN_SWAP_CHAIN_INCLUDE
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#define HGL_GRAPH_VULKAN_SWAP_CHAIN_INCLUDE
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#include<hgl/graph/Vulkan/VK.h>
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#include<hgl/graph/vulkan/VKFramebuffer.h>
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#include<hgl/graph/vulkan/VKFence.h>
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#include<hgl/graph/vulkan/VKSemaphore.h>
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VK_NAMESPACE_BEGIN
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struct SwapchainAttribute
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{
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VkDevice device;
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VkExtent2D extent;
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VkQueue graphics_queue =VK_NULL_HANDLE;
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VkSwapchainKHR swap_chain =VK_NULL_HANDLE;
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uint32_t swap_chain_count;
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ObjectList<Texture2D> sc_color;
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Texture2D * sc_depth =nullptr;
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};//struct SwapchainAttribute
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class Swapchain
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{
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protected:
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Device *device;
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SwapchainAttribute *sc_attr;
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protected:
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VkPipelineStageFlags pipe_stage_flags;
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uint32_t current_frame;
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ObjectList<Framebuffer> render_frame;
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uint32_t current_fence;
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ObjectList<Fence> fence_list;
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RenderPass *main_rp =nullptr;
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Semaphore *present_complete_semaphore =nullptr,
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*render_complete_semaphore =nullptr;
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VkSubmitInfo submit_info;
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VkPresentInfoKHR present_info;
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public:
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const VkExtent2D & GetExtent ()const {return sc_attr->extent;}
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const uint32_t GetImageCount ()const {return sc_attr->sc_color.GetCount();}
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RenderPass * GetMainRenderPass () {return main_rp;}
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Framebuffer * GetFramebuffer (int index) {return render_frame[index];}
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const uint32_t GetCurrentFrameIndices () {return current_frame;}
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Framebuffer * GetCurrentFramebuffer () {return render_frame[current_frame];}
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public:
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Swapchain(Device *,SwapchainAttribute *sa);
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virtual ~Swapchain();
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void Recreate ();
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bool Wait (bool wait_all=VK_TRUE,uint64_t time_out=HGL_NANO_SEC_PER_SEC*0.1); ///<等待队列完成
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/**
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* 请求获得下一帧的索引，并将确认信息发送到指定信号
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* @param complete_semaphore 完成后请发送至此信号
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* @return 下一帧的索引
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* @return <0 错误
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*/
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int AcquireNextImage (VkSemaphore complete_semaphore); ///<请求获得下一帧的索引
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/**
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* 提交一个绘制指令
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* @param cmd_list 绘制指令
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* @param wait_sem 指令开始前要等待的确认的信号
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* @param complete_semaphore 绘制完成后发送的信号
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*/
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bool SubmitDraw (VkCommandBuffer &cmd_list,VkSemaphore &wait_sem,VkSemaphore &complete_semaphore); ///<提交绘制指令
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/**
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* 提交一批绘制指令
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* @param cmd_list 绘制指令
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* @param wait_sems 指令开始前要等待的确认的信号
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* @param complete_semaphores 绘制完成后发送的信号
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*/
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bool SubmitDraw (List<VkCommandBuffer> &cmd_list,List<VkSemaphore> &wait_sems,List<VkSemaphore> &complete_semaphores); ///<提交绘制指令
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bool PresentBackbuffer (); ///<等待绘制队列完成，并将后台缓冲区呈现到前台
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};//class Swapchain
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VK_NAMESPACE_END
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#endif//HGL_GRAPH_VULKAN_SWAP_CHAIN_INCLUDE
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