整理SceneGraph的相关.CPP文件目录，现阶段分立render/scene两个。接下来准备建立SceneWorld，用于写世界管理
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232
src/SceneGraph/render/RenderAssignBuffer.cpp
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232
src/SceneGraph/render/RenderAssignBuffer.cpp
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#include"RenderAssignBuffer.h"
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#include<hgl/graph/VKVertexAttribBuffer.h>
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#include<hgl/graph/VKDevice.h>
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#include<hgl/graph/VKMaterialInstance.h>
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#include<hgl/graph/SceneNode.h>
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#include<hgl/graph/RenderNode.h>
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#include<hgl/graph/VKRenderable.h>
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#include<hgl/graph/VKRenderAssign.h>
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#include<hgl/graph/mtl/UBOCommon.h>
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VK_NAMESPACE_BEGIN
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RenderAssignBuffer::RenderAssignBuffer(GPUDevice *dev,Material *mtl)
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{
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hgl_zero(*this);
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device=dev;
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material=mtl;
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mi_data_bytes=mtl->GetMIDataBytes();
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LW2_MAX_COUNT=dev->GetUBORange()/sizeof(Matrix4f);
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l2w_buffer_max_count=0;
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l2w_buffer=nullptr;
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mi_buffer=nullptr;
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}
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void RenderAssignBuffer::Bind(Material *mtl)const
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{
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if(!mtl)return;
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mtl->BindUBO(mtl::DST_LocalToWorld, mtl::SBS_LocalToWorld.name, l2w_buffer);
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mtl->BindUBO(mtl::DST_MaterialInstance, mtl::SBS_MaterialInstance.name, mi_buffer);
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}
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void RenderAssignBuffer::Clear()
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{
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SAFE_CLEAR(l2w_buffer);
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SAFE_CLEAR(mi_buffer);
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SAFE_CLEAR(assign_vab);
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}
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void RenderAssignBuffer::StatL2W(const RenderNodeList &rn_list)
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{
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if(!l2w_buffer)
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{
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l2w_buffer_max_count=power_to_2(rn_list.GetCount());
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}
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else if(rn_list.GetCount()>l2w_buffer_max_count)
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{
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l2w_buffer_max_count=power_to_2(rn_list.GetCount());
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SAFE_CLEAR(l2w_buffer);
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}
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if(!l2w_buffer)
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{
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l2w_buffer=device->CreateUBO(sizeof(Matrix4f)*l2w_buffer_max_count);
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#ifdef _DEBUG
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DebugUtils *du=device->GetDebugUtils();
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if(du)
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{
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du->SetBuffer(l2w_buffer->GetBuffer(),"UBO:Buffer:LocalToWorld");
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du->SetDeviceMemory(l2w_buffer->GetVkMemory(),"UBO:Memory:LocalToWorld");
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}
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#endif//_DEBUG
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}
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RenderNode *rn=rn_list.GetData();
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Matrix4f *l2wp=(Matrix4f *)(l2w_buffer->DeviceBuffer::Map());
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for(uint i=0;i<rn_list.GetCount();i++)
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{
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*l2wp=rn->scene_node->GetLocalToWorldMatrix();
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++l2wp;
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++rn;
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}
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l2w_buffer->Unmap();
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}
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void RenderAssignBuffer::UpdateLocalToWorld(const RenderNodePointerList &rnp_list,const int first,const int last)
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{
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if(!l2w_buffer)
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return;
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if(rnp_list.IsEmpty())
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return;
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const uint count=rnp_list.GetCount();
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RenderNode **rn=rnp_list.GetData();
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Matrix4f *l2wp=(Matrix4f *)(l2w_buffer->DeviceBuffer::Map( sizeof(Matrix4f)*first,
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sizeof(Matrix4f)*(last-first+1)));
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for(uint i=0;i<count;i++)
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{
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l2wp[(*rn)->l2w_index-first]=(*rn)->scene_node->GetLocalToWorldMatrix();
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++rn;
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}
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l2w_buffer->Unmap();
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}
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void RenderAssignBuffer::UpdateMaterialInstance(const RenderNode *rn)
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{
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if(!rn)
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return;
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AssignData *adp=(AssignData *)(assign_vab->DeviceBuffer::Map(sizeof(AssignData)*rn->index,sizeof(AssignData)));
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adp->mi=mi_set.Find(rn->scene_node->GetRenderable()->GetMaterialInstance());
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assign_vab->Unmap();
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}
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void RenderAssignBuffer::StatMI(const RenderNodeList &rn_list)
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{
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mi_set.Clear();
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if(mi_data_bytes<=0) //没有材质实例数据
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return;
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if(!mi_buffer)
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{
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mi_set.PreAlloc(power_to_2(rn_list.GetCount()));
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}
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else if(rn_list.GetCount()>mi_set.GetAllocCount())
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{
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mi_set.PreAlloc(power_to_2(rn_list.GetCount()));
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SAFE_CLEAR(mi_buffer);
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}
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if(!mi_buffer)
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{
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mi_buffer=device->CreateUBO(mi_data_bytes*mi_set.GetAllocCount());
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#ifdef _DEBUG
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DebugUtils *du=device->GetDebugUtils();
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if(du)
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{
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du->SetBuffer(mi_buffer->GetBuffer(),"UBO:Buffer:MaterialInstanceData");
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du->SetDeviceMemory(mi_buffer->GetVkMemory(),"UBO:Memory:MaterialInstanceData");
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}
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#endif//_DEBUG
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}
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mi_set.PreAlloc(rn_list.GetCount());
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for(RenderNode &rn:rn_list)
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mi_set.Add(rn.scene_node->GetRenderable()->GetMaterialInstance());
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if(mi_set.GetCount()>material->GetMIMaxCount())
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{
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//超出最大数量了怎么办？？？
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}
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//合并材质实例数据
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{
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uint8 *mip=(uint8 *)(mi_buffer->Map());
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for(MaterialInstance *mi:mi_set)
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{
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memcpy(mip,mi->GetMIData(),mi_data_bytes);
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mip+=mi_data_bytes;
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}
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mi_buffer->Unmap();
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}
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}
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void RenderAssignBuffer::WriteNode(const RenderNodeList &rn_list)
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{
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if(rn_list.GetCount()<=0)
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return;
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StatL2W(rn_list);
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StatMI(rn_list);
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{
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if(!assign_vab)
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{
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node_count=power_to_2(rn_list.GetCount());
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}
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else if(node_count<rn_list.GetCount())
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{
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node_count=power_to_2(rn_list.GetCount());
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SAFE_CLEAR(assign_vab);
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}
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if(!assign_vab)
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{
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assign_vab=device->CreateVAB(ASSIGN_VAB_FMT,node_count);
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assign_buffer=assign_vab->GetBuffer();
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#ifdef _DEBUG
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DebugUtils *du=device->GetDebugUtils();
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if(du)
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{
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du->SetBuffer(assign_vab->GetBuffer(),"VAB:Buffer:AssignData");
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du->SetDeviceMemory(assign_vab->GetVkMemory(),"VAB:Memory:AssignData");
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}
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#endif//_DEBUG
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}
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}
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//生成材质实例ID列表
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{
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RenderNode *rn=rn_list.GetData();
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AssignData *adp=(AssignData *)(assign_vab->DeviceBuffer::Map());
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for(uint i=0;i<rn_list.GetCount();i++)
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{
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rn->l2w_index=i;
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adp->l2w=i;
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adp->mi=mi_set.Find(rn->scene_node->GetRenderable()->GetMaterialInstance());
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++adp;
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++rn;
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}
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assign_vab->Unmap();
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}
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}
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VK_NAMESPACE_END
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