#define VERTEX_POS_INDX 0
#define VERTEX_POS_SIZE 3

#define VERTEX_COLOR_INDX 1
#define VERTEX_COLOR_SIZE 4

#define VERTEX_ATTRIB_SIZE (VERTEX_POS_SIZE+VERTEX_COLOR_SIZE)

GLfloat vertex[]={
                        0.0f,1.0f
 
,1.0f, //x,y,z
			1.0f,0.0f,0.0f,1.0f, //RGBA
			1.0f,0.5f,1.0f,
			0.0f,1.0f,0.0f,1.0f,
			0.0f,0.5f,1.0f,
			0.0f,0.0f,1.0f,1.0f
		 }
//設定頂點位置屬性資料陣列
glVertexAttribPointer(VERTEX_POS_INDX,VERTEX_POS_SIZE,GL_FLOAT,GL_FALSE,VERTEX_ATTRIB_SIZE*sizeof(GLfloat),vertex);
//設定顏色屬性資料陣列
glVertexAttribPointer(VERTEX_COLOR_INDX,VERTEX_COLOR_SIZE,GL_FLOAT,GL_FALSE,(VERTEX_ATTRIB_SIZE*sizeof
 
(GLfloat),vertex+VERTEX_POS_SIZE));
//啟用頂點陣列資料
glEableVertexAttribArray(VERTEX_POS_INDE);
glEnableVertexAttribArray(VERTEX_COLOR_INDE);
//根據頂點資料繪製三角形
glDrawArrays(GL_TRIANGLES,0,3);
//禁用頂點陣列資料
glDisableVertexAttribArray(VERTEX_POS_INDE);
glDisableVertexAttribArray(VERTEX_COLOR_INDE);

......................

GLunit buffer[2];
glGenBuffer(2,&buffer);
//繫結頂點資料到緩衝區物件
glBindBuffer(GL_ARRAY_BUFFER,buffer[0]);
glBufferData(GL_ARRAY_BUFFER,sizeof(vertex),vertex,GL_STATIC_DRAW);
//繫結頂點索引資料到緩衝區物件
GLShort indices[3]={0,1,2};
glBindBuffer(GL_ELEMENTS_ARRAY_BUFFER,buffer[1]);
glBufferData(GL_ELEMENTS_ARRAY_BUFFER,sizeof(GLShort)*3,indices,GL_STATIC_DRAW);

//使用緩衝區物件
glBindBuffer(GL_ARRAY_BUFFER,buffer[0]);
glEnableVertexAttibArray(VERTEX_POS_INDX);
glVertexAttribPointer(VERTEX_POS_INDX,VERTEX_POS_SIZE,GL_FLOAT,GL_FALSE,(VERTEX_ATTRIB_SIZE*sizeof(GLfloat)),(const void*)0);

glVertexAttribPointer(VERTEX_COLOR_INDX,VERTEX_COLOR_SIZE,GL_FLOAT,GL_FALSE,(VERTEX_ATTRIB_SIZE*sizeof(GLfloat),(cons void*)(VERTEX_POS_SIZE*sizeof(GLfloat)));

................