ULRE/inc/hgl/graph/RenderableCreater.h

93 lines
3.2 KiB
C++

#ifndef HGL_GRAPH_RENDERABLE_CREATER_INCLUDE
#define HGL_GRAPH_RENDERABLE_CREATER_INCLUDE
#include<hgl/graph/VKDatabase.h>
#include<hgl/graph/VertexAttribDataAccess.h>
#include<hgl/graph/VKShaderModule.h>
namespace hgl
{
namespace graph
{
struct ShaderStageBind
{
AnsiString name;
uint binding;
VAD * data =nullptr;
vulkan::VAB * vab =nullptr;
public:
~ShaderStageBind()
{
SAFE_CLEAR(data);
}
};//struct ShaderStageBind
using VADMaps=MapObject<AnsiString,ShaderStageBind>;
/**
* 可渲染对象创建器
*/
class RenderableCreater
{
protected:
vulkan::Database *db;
vulkan::Material *mtl;
const vulkan::VertexShaderModule *vsm;
protected:
uint32 vertices_number;
vulkan::IndexBuffer * ibo;
VADMaps vab_maps;
protected:
virtual VAD *CreateVAD(const AnsiString &name,const vulkan::ShaderStage *ss); ///<创建一个顶点属性缓冲区
public:
RenderableCreater(vulkan::Database *sdb,vulkan::Material *m);
virtual ~RenderableCreater()=default;
virtual bool Init(const uint32 count); ///<初始化,参数为顶点数量
VAD * CreateVAD(const AnsiString &name); ///<创建一个顶点属性缓冲区
template<typename T>
T * CreateVADA(const AnsiString &name) ///<创建一个顶点属性缓冲区以及访问器
{
const vulkan::ShaderStage *ss=vsm->GetStageInput(name);
if(!ss)
return(nullptr);
if(ss->format!=T::GetVulkanFormat())
return(nullptr);
VAD *vad=this->CreateVAD(name);
if(!vad)
return(nullptr);
T *vada=T::Create(vad);
vada->Begin();
return vada;
}
bool WriteVAD(const AnsiString &name,const void *data,const uint32_t bytes); ///<直接写入顶点属性数据
uint16 * CreateIBO16(uint count,const uint16 *data=nullptr); ///<创建16位的索引缓冲区
uint32 * CreateIBO32(uint count,const uint32 *data=nullptr); ///<创建32位的索引缓冲区
virtual vulkan::Renderable * Finish(); ///<结束并创建可渲染对象
};//class RenderableCreater
}//namespace graph
}//namespace hgl
#endif//HGL_GRAPH_RENDERABLE_CREATER_INCLUDE