to improve create program, that are RenderPass and Framebuffer

example/Vulkan/OffscreenRender.cpp

@@ -0,0 +1,48 @@
+#include<hgl/graph/vulkan/VKRenderTarget.h>
+#include"VulkanAppFramework.h"
+
+using namespace hgl;
+using namespace hgl::graph;
+
+constexpr uint OFFSCREEN_SIZE   =512;
+constexpr uint SCREEN_WIDTH     =1024;
+constexpr uint SCREEN_HEIGHT    =(SCREEN_WIDTH/16)*9;
+
+class OffscreenRender:public VulkanApplicationFramework
+{
+    vulkan::RenderTarget *os_rt;
+
+public:
+
+    ~OffscreenRender()
+    {
+    }
+
+    bool InitOffscreenRT()
+    {
+        os_rt=vulkan::CreateColorFramebuffer(
+    }
+
+    bool Init()
+    {
+        if(!VulkanApplicationFramework::Init(SCREEN_WIDTH,SCREEN_HEIGHT))
+            return(false);
+
+        if(!InitOffscreenRT())
+            return(false);
+
+        return(true);
+    }
+};//class OffscreenRender:public VulkanApplicationFramework
+
+int main(int,char **)
+{
+    OffscreenRender app;
+
+    if(!app.Init())
+        return(-1);
+
+    while(app.Run());
+
+    return 0;
+}