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refactor RenderList and SceneTreeToRenderList

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This commit is contained in:
hyzboy 2021-06-15 15:36:30 +08:00
parent e26f0b5698
commit 983202966e
3 changed files with 50 additions and 91 deletions
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26
inc/hgl/graph/RenderList.h
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@ -13,10 +13,6 @@ namespace hgl
{
namespace graph
{
// using SceneNodeList=List<SceneNode *>;
using MVPArrayBuffer=GPUArrayBuffer<MVPMatrix>;
using MVPOffsetBuffer=List<uint32_t>;
/**
* 渲染对象列表<br>
* 已经展开的渲染对象列表，产生mvp用UBO/SSBO等数据，最终创建RenderCommandBuffer
@ -30,15 +26,19 @@ namespace hgl
Camera *camera;
RenderNodeList render_node_list;
GPUBuffer *mvp_buffer;
List<RenderableInstance *> *ri_list;
MVPArrayBuffer *mvp_array;
MVPOffsetBuffer mvp_offset;
DescriptorSets *renderable_desc_sets;
uint32_t ubo_offset;
uint32_t ubo_align;
private:
Pipeline * last_pipeline;
RenderableInstance *last_ri;
MaterialInstance * last_mi;
uint32_t last_vbo;
void Render(RenderableInstance *);
@ -48,14 +48,14 @@ namespace hgl
RenderList(GPUDevice *);
friend class SceneTreeToRenderList;
void Set(List<RenderableInstance *> *,GPUBuffer *,const uint32_t);
public:
virtual ~RenderList();
virtual ~RenderList()=default;
void Begin ();
void Add (SceneNode *);
void End (CameraInfo *);
bool Render (RenderCmdBuffer *);
};//class RenderList
}//namespace graph

111
src/SceneGraph/RenderList.cpp
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@ -13,85 +13,27 @@ namespace hgl
{
namespace graph
{
constexpr size_t MVPMatrixBytes=sizeof(MVPMatrix);
//bool FrustumClipFilter(const SceneNode *node,void *fc)
//{
// if(!node||!fc)return(false);
// return (((Frustum *)fc)->BoxIn(node->GetWorldBoundingBox())!=Frustum::OUTSIDE);
//}
RenderList::RenderList(GPUDevice *gd)
{
device =gd;
cmd_buf =nullptr;
last_pipeline =nullptr;
last_ri =nullptr;
mvp_buffer =nullptr;
ri_list =nullptr;
mvp_array =new MVPArrayBuffer(gd,VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT);
}
RenderList::~RenderList()
{
delete mvp_array;
}
void RenderList::Begin()
{
scene_node_list.ClearData();
mvp_array->Clear();
mvp_offset.ClearData();
ubo_offset =0;
ubo_align =0;
last_pipeline =nullptr;
last_ri =nullptr;
last_mi =nullptr;
last_vbo =0;
}
void RenderList::Add(SceneNode *node)
void RenderList::Set(List<RenderableInstance *> *ril,GPUBuffer *buf,const uint32_t align)
{
if(!node)return;
scene_node_list.Add(node);
}
void RenderList::End(CameraInfo *camera_info)
{
//清0计数器
uint32_t mvp_count=0; //local to world矩阵总数量
//统计Render
const uint32_t count=scene_node_list.GetCount();
mvp_array->Alloc(count);
mvp_array->Clear();
mvp_offset.PreMalloc(count);
mvp_offset.ClearData();
MVPMatrix *mp=mvp_array->Map(0,count);
uint32_t *op=mvp_offset.GetData();
for(SceneNode *node:scene_node_list)
{
const Matrix4f &l2w=node->GetLocalToWorldMatrix();
if(!l2w.IsIdentity())
{
mp->Set(l2w,camera_info->vp);
++mp;
*op=mvp_count*MVPMatrixBytes;
++mvp_count;
}
else
{
*op=mvp_count*MVPMatrixBytes;
}
++op;
}
ri_list=ril;
mvp_buffer=buf;
ubo_align=align;
}
void RenderList::Render(RenderableInstance *ri)
@ -106,16 +48,22 @@ namespace hgl
{
MaterialInstance *mi=ri->GetMaterialInstance();
cmd_buf->BindDescriptorSets(mi->GetDescriptorSets());
if(mi!=last_mi)
{
last_mi=mi;
cmd_buf->BindDescriptorSets(mi->GetDescriptorSets());
}
}
//更新fin_mvp
if(ri!=last_ri)
{
cmd_buf->BindVAB(ri);
}
last_ri=ri;
if(last_vbo!=ri->GetBufferHash())
{
last_vbo=ri->GetBufferHash();
cmd_buf->BindVAB(ri);
}
const IndexBuffer *ib=ri->GetIndexBuffer();
@ -135,13 +83,22 @@ namespace hgl
if(!cb)
return(false);
if(!mvp_buffer
||!ri_list)
return(false);
if(ri_list->GetCount()<=0)
return(true);
cmd_buf=cb;
last_pipeline=nullptr;
last_ri=nullptr;
last_mi=nullptr;
last_vbo=0;
ubo_offset=0;
for(SceneNode *sn:scene_node_list)
Render(sn->render_obj);
for(RenderableInstance *ri:*ri_list)
Render(ri);
return(true);
}

4
src/SceneGraph/SceneTreeToRenderList.cpp
View File

@ -130,7 +130,9 @@ namespace hgl
}
//写入RenderList
render_list->Set(mvp_array->GetBuffer(),&ri_list);
render_list->Set( &ri_list,
mvp_array->GetBuffer(),
mvp_array->GetUnitSize());
}
bool SceneTreeToRenderList::Expend(SceneNode *sn)