add VKMemoryAllocator

inc/hgl/graph/VKMemoryAllocator.h

@@ -0,0 +1,34 @@
+#ifndef HGL_GRAPH_VULKAN_MEMORY_ALLOCATOR_INCLUDE
+#define HGL_GRAPH_VULKAN_MEMORY_ALLOCATOR_INCLUDE
+
+#include<hgl/graph/VK.h>
+#include<hgl/type/MemoryAllocator.h>
+
+VK_NAMESPACE_BEGIN
+class VKMemoryAllocator:public AbstractMemoryAllocator
+{
+    GPUDevice *device;
+
+    uint32_t buffer_usage_flag_bits;
+
+    GPUBuffer *gpu_buffer;
+
+protected:
+
+    bool Alloc() override;
+
+public:
+
+    const bool      CanRealloc              ()const override{return false;}
+
+    const uint32_t  GetBufferUsageFlagBits  ()const{return buffer_usage_flag_bits;}
+
+public:
+
+    VKMemoryAllocator(GPUDevice *,const uint32_t);
+    ~VKMemoryAllocator();
+    
+    void Free() override {/* DON'T RUN ANY OPERATION.*/}
+};//class VKMemoryAllocator:public AbstractMemoryAllocator
+VK_NAMESPACE_END
+#endif//HGL_GRAPH_VULKAN_MEMORY_ALLOCATOR_INCLUDE