hyzboy/ULRE
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

删除旧的VertexBufferObject类定义

Browse Source
This commit is contained in:
hyzboy 2019-03-23 02:06:33 +08:00
parent 00f7af5902
commit d31afd1c45
2 changed files with 5 additions and 57 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

56
inc/hgl/graph/VertexBufferObject.h
View File

@ -1,65 +1,11 @@
#ifndef HGL_GRAPH_VERTEX_BUFFER_OBJECT_INCLUDE
#define HGL_GRAPH_VERTEX_BUFFER_OBJECT_INCLUDE
#include<graph/BufferObject.h>
#include<hgl/graph/BufferObject.h>
namespace hgl
{
namespace graph
{
/**
* 顶点缓冲区对象，对应OpenGL的VBO管理
*/
class VertexBufferObject:public BufferObject
{
protected:
GLenum data_type; ///<单个数据类型 (GL_BYTE,GL_UNSIGNED_SHORT,GL_FLOAT等)
uint data_bytes; ///<单个数据字节数 (GL_BYTE为1,GL_UNSIGNED_SHORT为2GL_FLOAT为4等)
uint data_comp; ///<数据成员数 (1/2/3/4，如2D纹理坐标用2，3D坐标/法线用3)
GLsizeiptr data_count; ///<数据数量
GLsizeiptr total_bytes; ///<数据总字节数
public:
VertexBufferObject(const GLuint index,
const GLenum &buf_type,
const GLenum &dsup,
const uint &dt,const uint &dbytes,const uint &dcm,
const GLsizeiptr &count)
{
buffer_index=index;
buffer_type=buf_type;
user_pattern=dsup;
data_type=dt;
data_bytes=dbytes;
data_comp=dcm;
data_count=count;
total_bytes=data_bytes*data_comp*data_count;
}
virtual ~VertexBufferObject()=default;
public:
GLenum GetDataType ()const {return data_type;} ///<取得数据类型
uint GetComponent ()const {return data_comp;} ///<取数每一组数据中的数据数量
uint GetStride ()const {return data_comp*data_bytes;} ///<取得每一组数据字节数
GLsizeiptr GetCount ()const {return data_count;} ///<取得数据数量
public:
virtual void Update()=0; ///<向缓冲区提交所有数据
virtual void Change(const GLsizeiptr start,const GLsizeiptr size)=0; ///<向缓冲区提交部分数据
virtual void Change(const GLsizeiptr start,const GLsizeiptr size,const void *)=0; ///<向缓冲区提交部分数据
};//class VertexBufferObject
/**
* 创建一个VBO对象
* @param buf_type 缓冲区类型(GL_ARRAY_BUFFER,GL_ELEMENT_ARRAY_BUFFER等)

2
src/RenderDriver/CMakeLists.txt
View File

@ -3,6 +3,8 @@ SET(GRAPH_SRC_FILES OpenGLDebug.cpp
OpenGLExt.cpp
GLSL.cpp
Shader.cpp
BufferData.cpp
BufferObject.cpp
VertexArray.cpp
VertexBuffer.cpp
VertexBufferObject.cpp