113 lines
2.9 KiB
C++
113 lines
2.9 KiB
C++
#include<hgl/graph/RenderList.h>
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#include<hgl/graph/Camera.h>
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#include<hgl/graph/SceneNode.h>
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#include<hgl/graph/vulkan/VKRenderable.h>
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#include<hgl/graph/vulkan/VKCommandBuffer.h>
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#include<hgl/graph/VertexBuffer.h>
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#include<hgl/graph/RenderableInstance.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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float CameraLengthComp(Camera *cam,SceneNode *obj_one,SceneNode *obj_two)
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{
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if(!cam||!obj_one||!obj_two)
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return(0);
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return( length_squared(obj_one->GetCenter(),cam->eye)-
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length_squared(obj_two->GetCenter(),cam->eye));
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}
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//bool FrustumClipFilter(const SceneNode *node,void *fc)
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//{
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// if(!node||!fc)return(false);
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// return (((Frustum *)fc)->BoxIn(node->GetWorldBoundingBox())!=Frustum::OUTSIDE);
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//}
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void RenderList::Render(SceneNode *node,RenderableInstance *ri)
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{
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if(last_pipeline!=ri->GetPipeline())
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{
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last_pipeline=ri->GetPipeline();
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cmd_buf->Bind(last_pipeline);
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last_desc_sets=nullptr;
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}
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if(last_desc_sets!=ri->GetDescriptorSets())
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{
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last_desc_sets=ri->GetDescriptorSets();
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cmd_buf->Bind(last_desc_sets);
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}
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if(last_pc!=node->GetPushConstant())
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{
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last_pc=node->GetPushConstant();
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cmd_buf->PushConstants(last_pc);
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}
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//更新fin_mvp
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vulkan::Renderable *obj=ri->GetRenderable();
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if(obj!=last_renderable)
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{
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cmd_buf->Bind(obj);
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last_renderable=obj;
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}
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const vulkan::IndexBuffer *ib=obj->GetIndexBuffer();
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if(ib)
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{
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cmd_buf->DrawIndexed(ib->GetCount());
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}
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else
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{
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cmd_buf->Draw(obj->GetDrawCount());
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}
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}
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void RenderList::Render(SceneNode *node,List<RenderableInstance *> &ri_list)
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{
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const int count=ri_list.GetCount();
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RenderableInstance **ri=ri_list.GetData();
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for(int i=0;i<count;i++)
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{
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Render(node,*ri);
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++ri;
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}
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}
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bool RenderList::Render(vulkan::CommandBuffer *cb)
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{
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if(!cb)
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return(false);
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cmd_buf=cb;
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last_pipeline=nullptr;
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last_desc_sets=nullptr;
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last_renderable=nullptr;
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const int count=scene_node_list.GetCount();
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SceneNode **node=scene_node_list.GetData();
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for(int i=0;i<count;i++)
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{
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Render(*node,(*node)->renderable_instances);
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++node;
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}
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return(true);
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}
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}//namespace graph
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}//namespace hgl
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