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增加GLBuffer::Create实现

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This commit is contained in:
hyzboy 2019-03-31 21:16:57 +08:00
parent 514a4b37ca
commit c960f74204
3 changed files with 22 additions and 9 deletions
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1
CMakeLists.txt
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@ -1,4 +1,5 @@
cmake_minimum_required(VERSION 3.0)
SET(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS TRUE)
PROJECT(ULRE)

6
inc/hgl/graph/BufferObject.h
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@ -37,7 +37,7 @@ namespace hgl
public:
// bool Create (GLsizeiptr,GLenum up); ///<创建数据区
bool Create (GLsizeiptr); ///<创建数据区
bool Submit (void *,GLsizeiptr,GLenum up=GL_STATIC_DRAW); ///<提交数据
bool Submit (const BufferData *,GLenum up=GL_STATIC_DRAW); ///<提交数据
bool Change (void *,GLsizeiptr,GLsizeiptr); ///<修改数据
@ -71,7 +71,7 @@ namespace hgl
* @param user_pattern 数据存储区使用模式(GL_STATIC_DRAW,GL_DYNAMIC_DRAW等)
* @param buf 数据缓冲区
*/
template<typename BO,typename BD>
template<typename BO,typename BD>
inline BO *_CreateBufferObject(BD *buf=nullptr,const GLenum &user_pattern=GL_STATIC_DRAW)
{
BO *obj=new BO();
@ -151,7 +151,7 @@ namespace hgl
return _CreateBufferObject<buffer_class_name>(data,size,user_pattern); \
}
//ps.在这里用宏了再用模板本是多此一举，但使用模板函数易于调试器中进行逐行调试，同时因为INLINE编译编译器也会自动展开代码，不用担心效率
//ps.在这里用宏了再用模板本是多此一举，但使用模板函数易于调试器中进行逐行调试，同时因为INLINE编译编译器也会自动展开代码，不用担心效率
VBCLASS_DEF(GL_ARRAY_BUFFER, ArrayBuffer, VertexBufferObject, VertexBufferData, VBO)
VBCLASS_DEF(GL_ELEMENT_ARRAY_BUFFER, ElementBuffer, VertexBufferObject, VertexBufferData, EBO)

24
src/RenderDriver/BufferObject.cpp
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@ -18,7 +18,7 @@ namespace hgl
void BufferAlloc(GLenum type,GLuint index,GLsizeiptr size)
{
glNamedBufferStorage(type,size,nullptr,GL_MAP_WRITE_BIT);
glNamedBufferStorage(index,size,nullptr,GL_MAP_WRITE_BIT);
}
void BufferData(GLenum type,GLuint index,void *data,GLsizeiptr size,GLenum user_pattern)
@ -66,6 +66,12 @@ namespace hgl
return index;
}
void BufferAlloc(GLenum type,GLuint index,GLsizeiptr size)
{
glBindBuffer(type,index);
glBufferStorage(type,size,nullptr,GL_MAP_WRITE_BIT);
}
void BufferData(GLenum type,GLuint index,void *data,GLsizeiptr size,GLenum user_pattern)
{
glBindBuffer(type,index);
@ -80,6 +86,7 @@ namespace hgl
}
static GLuint(*CreateBuffer)();
static void(*BufferAlloc)(GLenum type,GLuint index,GLsizeiptr size);
static void(*BufferData)(GLenum type,GLuint index,void *data,GLsizeiptr size,GLenum user_pattern);
static void(*BufferSubData)(GLenum type,GLuint index,void *data,GLsizeiptr start,GLsizeiptr size);
@ -90,6 +97,7 @@ namespace hgl
||glNamedBufferSubData) //dsa
{
hgl::graph::gl::CreateBuffer=dsa::CreateBuffer;
hgl::graph::gl::BufferAlloc=dsa::BufferAlloc;
hgl::graph::gl::BufferData=dsa::BufferData;
hgl::graph::gl::BufferSubData=dsa::BufferSubData;
}
@ -98,12 +106,14 @@ namespace hgl
||glNamedBufferSubDataEXT)
{
hgl::graph::gl::CreateBuffer=bind::CreateBuffer;
hgl::graph::gl::BufferAlloc=dsa_ext::BufferAlloc;
hgl::graph::gl::BufferData=dsa_ext::BufferData;
hgl::graph::gl::BufferSubData=dsa_ext::BufferSubData;
}
else
{
hgl::graph::gl::CreateBuffer=bind::CreateBuffer;
hgl::graph::gl::BufferAlloc=bind::BufferAlloc;
hgl::graph::gl::BufferData=bind::BufferData;
hgl::graph::gl::BufferSubData=bind::BufferSubData;
}
@ -127,12 +137,14 @@ namespace hgl
glDeleteBuffers(1,&buffer_index);
}
//bool BufferObject::Create(GLsizeiptr size,GLenum up)
//{
// if(size<=0)return(false);
bool BufferObject::Create(GLsizeiptr size)
{
if(size<=0)return(false);
// return true;
//}
gl::BufferAlloc(buffer_type,buffer_index,size);
return true;
}
bool BufferObject::Submit(void *data,GLsizeiptr size,GLenum up)
{