hyzboy
c6700d60a7
2.VKRenderableInstance改为RenderableNode，并从SceneNode派生 3.改造SceneNode结构 4.改造RenderList
112 lines
3.0 KiB
C++
112 lines
3.0 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/RenderableNode.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::SetCamera(const Camera &cam)
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{
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camera=cam;
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MakeCameraMatrix( &ubo_matrix.projection,
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&ubo_matrix.modelview,
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&camera);
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ubo_matrix.mvp =ubo_matrix.projection*ubo_matrix.modelview;
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ubo_matrix.normal =ubo_matrix.modelview.Float3x3Part(); //法线矩阵为3x3
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CameraToFrustum(&frustum,
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&camera);
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}
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void RenderList::Render(RenderableNode *ri,const Matrix4f &fin_mvp)
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{
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if(last_pipeline!=ri->GetPipeline())
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{
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cmd_buf->Bind(ri->GetPipeline());
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last_pipeline=ri->GetPipeline();
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cmd_buf->Bind(ri->GetDescriptorSets());
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}
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else
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{
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if(last_desc_sets!=ri->GetDescriptorSets())
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{
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cmd_buf->Bind(ri->GetDescriptorSets());
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last_desc_sets=ri->GetDescriptorSets();
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}
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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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bool RenderList::Render()
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{
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if(!cmd_buf)
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return(false);
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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=renderable_node_list.GetCount();
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RenderableNode **node=renderable_node_list.GetData();
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for(int i=0;i<count;i++)
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{
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const Matrix4f fin_mv=ubo_matrix.modelview*(*node)->GetLocalToWorldMatrix();
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Render(*node,ubo_matrix.projection*fin_mv);
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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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