93 lines
2.8 KiB
C++
93 lines
2.8 KiB
C++
#ifndef HGL_GRAPH_RENDERABLE_INSTANCE_INCLUDE
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#define HGL_GRAPH_RENDERABLE_INSTANCE_INCLUDE
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#include<hgl/graph/VKRenderable.h>
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#include<hgl/graph/VKPipeline.h>
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#include<hgl/graph/VKDescriptorSets.h>
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#include<hgl/graph/VKMaterialInstance.h>
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VK_NAMESPACE_BEGIN
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/**
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* 可渲染对象节点
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*/
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class RenderableInstance
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{
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Pipeline * pipeline;
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MaterialInstance *mat_inst;
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Renderable * render_obj;
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uint32_t buffer_count;
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VkBuffer *buffer_list;
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VkDeviceSize *buffer_size;
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private:
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friend RenderableInstance *CreateRenderableInstance(Renderable *,MaterialInstance *,Pipeline *);
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RenderableInstance(Renderable *,MaterialInstance *,Pipeline *,const uint32_t,VkBuffer *,VkDeviceSize *);
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public:
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virtual ~RenderableInstance();
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Pipeline * GetPipeline (){return pipeline;}
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MaterialInstance * GetMaterialInstance (){return mat_inst;}
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Renderable * GetRenderable (){return render_obj;}
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const AABB & GetBoundingBox ()const{return render_obj->GetBoundingBox();}
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const uint32_t GetBufferCount ()const{return buffer_count;}
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VkBuffer * GetBuffer ()const{return buffer_list;}
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VkDeviceSize * GetBufferSize ()const{return buffer_size;}
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IndexBuffer * GetIndexBuffer ()const{return render_obj->GetIndexBuffer();}
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const uint32_t GetIndexBufferOffset ()const{return render_obj->GetIndexBufferOffset();}
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const uint32_t GetDrawCount ()const{return render_obj->GetDrawCount();}
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DescriptorSets *GetDescriptorSets ()const{return mat_inst->GetDescriptorSets();}
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public:
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const int Comp(const RenderableInstance *ri)const
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{
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//绘制顺序：
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// ARM Mali GPU : 不透明、AlphaTest、半透明
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// Adreno/NV/AMD: AlphaTest、不透明、半透明
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// PowerVR: 同Adreno/NV/AMD，但不透明部分可以不排序
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if(pipeline->IsAlphaBlend())
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{
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if(!ri->pipeline->IsAlphaBlend())
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return 1;
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}
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else
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{
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if(ri->pipeline->IsAlphaBlend())
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return -1;
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}
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if(pipeline->IsAlphaTest())
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{
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if(!ri->pipeline->IsAlphaTest())
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return 1;
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}
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else
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{
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if(ri->pipeline->IsAlphaTest())
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return -1;
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}
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if(pipeline!=ri->pipeline)
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return pipeline-ri->pipeline;
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if(mat_inst!=ri->mat_inst)
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return int64(mat_inst)-int64(ri->mat_inst);
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return render_obj-ri->render_obj;
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}
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CompOperator(const RenderableInstance *,Comp)
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};//class RenderableInstance
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RenderableInstance *CreateRenderableInstance(Renderable *,MaterialInstance *,Pipeline *);
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VK_NAMESPACE_END
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#endif//HGL_GRAPH_RENDERABLE_INSTANCE_INCLUDE
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