81 lines
2.3 KiB
C++
81 lines
2.3 KiB
C++
#ifndef HGL_GRAPH_VULKAN_RENDERABLE_INCLUDE
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#define HGL_GRAPH_VULKAN_RENDERABLE_INCLUDE
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#include<hgl/graph/vulkan/VK.h>
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#include<hgl/graph/vulkan/VKBuffer.h>
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#include<hgl/type/BaseString.h>
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#include<hgl/math/Math.h>
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VK_NAMESPACE_BEGIN
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/**
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* 可渲染数据对象<br>
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* 本对象包含材质实例信息和Mesh信息，可渲染数据对象中包含供最终API使用的VBO数据，可能存在多个MESH数据的集合。</p>
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* 比如有多种形状的石头，它们使用了同一种材质，这种情况下多个mesh就可以合并到一个Renderable中，渲染时不再切换VBO。
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*/
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class Renderable
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{
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const VertexShaderModule *vertex_sm;
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int buf_count;
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VkBuffer *buf_list=nullptr;
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VkDeviceSize *buf_offset=nullptr;
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uint32_t draw_count;
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IndexBuffer *indices_buffer=nullptr;
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VkDeviceSize indices_offset=0;
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private:
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AABB BoundingBox;
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protected:
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friend class RenderableNode;
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uint ref_count=0;
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uint RefInc(){return ++ref_count;}
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uint RefDec(){return --ref_count;}
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public:
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Renderable(const VertexShaderModule *,const uint32_t dc);
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virtual ~Renderable();
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const uint GetRefCount()const{return ref_count;}
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void SetBoundingBox(const AABB &aabb){BoundingBox=aabb;}
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const AABB &GetBoundingBox()const {return BoundingBox;}
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bool Set(const int stage_input_binding, VertexBuffer *vb,VkDeviceSize offset=0);
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bool Set(const AnsiString &name, VertexBuffer *vb,VkDeviceSize offset=0);
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bool Set(IndexBuffer *ib,VkDeviceSize offset=0)
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{
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if(!ib)return(false);
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indices_buffer=ib;
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indices_offset=offset;
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return(true);
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}
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public:
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const uint32_t GetDrawCount ()const ///<取得当前对象绘制需要多少个顶点
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{
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if(indices_buffer)
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return indices_buffer->GetCount();
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return draw_count;
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}
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const int GetBufferCount ()const{return buf_count;}
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const VkBuffer * GetBuffer ()const{return buf_list;}
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const VkDeviceSize * GetOffset ()const{return buf_offset;}
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IndexBuffer * GetIndexBuffer() {return indices_buffer;}
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const VkDeviceSize GetIndexOffset()const{return indices_offset;}
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};//class Renderable
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VK_NAMESPACE_END
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#endif//HGL_GRAPH_VULKAN_RENDERABLE_INCLUDE
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