80 lines
2.7 KiB
C
80 lines
2.7 KiB
C
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#ifndef HGL_GRAPH_RENDERABLE_NODE_INCLUDE
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#define HGL_GRAPH_RENDERABLE_NODE_INCLUDE
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#include<hgl/graph/vulkan/VKRenderable.h>
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#include<hgl/graph/vulkan/VKPipeline.h>
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#include<hgl/graph/vulkan/VKDescriptorSets.h>
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#include<hgl/graph/SceneNode.h>
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namespace hgl
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{
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namespace graph
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{
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/**
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* 可渲染对象节点
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*/
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class RenderableNode:public SceneNode
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{
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vulkan::Pipeline * pipeline;
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vulkan::DescriptorSets * desc_sets;
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vulkan::Renderable * render_obj;
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public:
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RenderableNode(vulkan::Pipeline *p,vulkan::DescriptorSets *ds,vulkan::Renderable *r):pipeline(p),desc_sets(ds),render_obj(r){}
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virtual ~RenderableNode()
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{
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//需要在这里添加删除pipeline/desc_sets/render_obj引用计数的代码
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}
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vulkan::Pipeline * GetPipeline (){return pipeline;}
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vulkan::DescriptorSets *GetDescriptorSets (){return desc_sets;}
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vulkan::Renderable * GetRenderable (){return render_obj;}
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const AABB & GetBoundingBox ()const{return render_obj->GetBoundingBox();}
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const bool CanRenderable ()const override{return true;} ///<是否可以渲染
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const int Comp(const RenderableNode *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(desc_sets!=ri->desc_sets)
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return desc_sets-ri->desc_sets;
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return render_obj-ri->render_obj;
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}
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CompOperator(const RenderableNode *,Comp)
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};//class RenderableNode
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}//namespace graph
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}//namespace hgl
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#endif//HGL_GRAPH_RENDERABLE_NODE_INCLUDE
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