optimized SwapchainModule and SwapchainRenderTarget

inc/hgl/graph/VKCommandBuffer.h

@@ -15,6 +15,8 @@ protected:
 
     VkCommandBuffer cmd_buf;
 
+    bool cmd_begin;
+
 public:
 
     GPUCmdBuffer(const GPUDeviceAttribute *attr,VkCommandBuffer cb);
@@ -23,9 +25,19 @@ public:
     operator VkCommandBuffer(){return cmd_buf;}
     operator const VkCommandBuffer()const{return cmd_buf;}
     operator const VkCommandBuffer *()const{return &cmd_buf;}
+
+    const bool IsBegin()const{return cmd_begin;}
     
     bool Begin();
-    bool End(){return(vkEndCommandBuffer(cmd_buf)==VK_SUCCESS);}
+    bool End()
+    {
+        if(!cmd_begin)
+            return(false);
+
+        cmd_begin=false;
+
+        return(vkEndCommandBuffer(cmd_buf)==VK_SUCCESS);
+    }
 
 #ifdef _DEBUG
     void SetDebugName(const AnsiString &);

inc/hgl/graph/VKQueue.h

@@ -33,8 +33,8 @@ public:
 
     bool WaitQueue();
     bool WaitFence(const bool wait_all=true,const uint64_t time_out=HGL_NANO_SEC_PER_SEC);
-    bool Submit(const VkCommandBuffer &cmd_buf,Semaphore *wait_sem,Semaphore *complete_sem);
     bool Submit(const VkCommandBuffer *cmd_buf,const uint32_t count,Semaphore *wait_sem,Semaphore *complete_sem);
+    bool Submit(GPUCmdBuffer *cmd_buf,Semaphore *wait_sem,Semaphore *complete_sem);
 };//class DeviceQueue
 VK_NAMESPACE_END
 #endif//HGL_GRAPH_VULKAN_SUBMIT_QUEUE_INCLUDE

inc/hgl/graph/VKRenderTarget.h

@@ -131,7 +131,7 @@ public: // Command Buffer
         if(!data)
             return(false);
 
-        return data->queue->Submit(*data->cmd_buf,wait_sem,data->render_complete_semaphore);
+        return data->queue->Submit(data->cmd_buf,wait_sem,data->render_complete_semaphore);
     }
 
     bool                WaitQueue           ()override{return data->queue->WaitQueue();}
@@ -238,7 +238,7 @@ public:
 
 public:
 
-    int     AcquireNextImage();             ///<获取下一帧的索引
+    RenderCmdBuffer *AcquireNextImage();             ///<获取下一帧的索引
 
     bool    PresentBackbuffer();            ///<推送后台画面到前台
 

inc/hgl/graph/module/SwapchainModule.h

@@ -10,8 +10,6 @@ class RenderPass;
 
 GRAPH_MODULE_CLASS(SwapchainModule)
 {
-    Swapchain *             swapchain   =nullptr;
-
     TextureManager *        tex_manager =nullptr;
     RenderTargetManager *   rt_manager  =nullptr;
     RenderPassManager *     rp_manager  =nullptr;
@@ -20,12 +18,10 @@ GRAPH_MODULE_CLASS(SwapchainModule)
 
     SwapchainRenderTarget * sc_render_target=nullptr;
 
-    SwapchainImage *        current_sc_image=nullptr;
-
 protected:
 
-    bool CreateSwapchainFBO();
-    bool CreateSwapchain();
+    bool CreateSwapchainFBO(Swapchain *);
+    Swapchain *CreateSwapchain();
     bool CreateSwapchainRenderTarget();
 
 public: