Go OpenGL implements vertex array drawing vertices via VBO

#include"stdlib.h"#include<OpenGL/glext.h>#include<GLUT/GLUT.h>#defineBuffer_offset (bytes) ((glubyte*) NULL + (bytes))#defineVERTICES 0#defineINDICES 1#defineNum_buffers 6Gluint Buffers[num_buffers]; Glfloat vertices[][3] = {      {-1.0f,-1.0f,-1.0f},      {1.0f,-1.0f,-1.0f},      {1.0f,1.0f,-1.0f},      {-1.0f,1.0f,-1.0f},      {-1.0f,-1.0f,1.0f},      {1.0f,-1.0f,1.0f},      {1.0f,1.0f,1.0f},      {-1.0f,1.0f,1.0f}  }; Glubyte indices[][4] = {      {0,1,2,3},      {4,7,6,5},      {0,4,5,1},      {3,2,6,7},      {0,3,7,4},      {1,5,6,2}  }; Glfloat*bdata; voidChangesize (intWinth) {Glviewport (0,0, (Glsizei) W, (Glsizei) h);      Glmatrixmode (gl_projection);      Glloadidentity (); Gluperspective (45.0,(Double) w/(Double) H,0.01, -);      Glmatrixmode (Gl_modelview);  Glloadidentity (); }    voidKeyDown (unsignedCharKeyintXinty) {Switch(key) { Case'b': Bdata= (glfloat*) Glmapbuffer (gl_array_buffer,gl_read_write);  for(inti =0; I < -; i + +)              {                  * (bdata + i) *=1.1f;              } glunmapbuffer (Gl_array_buffer);              Glutpostredisplay ();  Break; }  }    voidMouseintbuttonintStateintXinty) {}voidDisplayvoid) {glloadidentity (); Gltranslatef (0.0f,0.0f,-5.0f); Glrotatef (20009,1.0f,1.0f,0.0f); //6. Draw, this place note is the last parameter, this and ordinary non-VBO the biggest difference is hereGldrawelements (Gl_quads, -, Gl_unsigned_byte,buffer_offset (0)); //gldrawarrays (gl_triangle_fan, 0, 8); glutswapbuffers (); }    voidInitvoid) {Glclearcolor (0.0f,0.0f,0.0f,0.0f);      Glshademodel (Gl_flat); Glclear (Gl_color_buffer_bit|gl_depth_buffer_bit); //1. Create a Buffer object, the system will automatically create an easing area identifier into the buffers, you can use the Glisbuffer () function to determine whether an identifier is usedglgenbuffers (num_buffers, buffers); //2. Activates the buffer object, which indicates which buffer will be affected by the future selection of the buffer object. If you want a financial buffer object, you can use zero as the identifier for the buffer object, and the first parameter target can be Gl_array_buffer,gl_element_array_fufferGlbindbuffer (gl_array_buffer,buffers[vertices]); //3. Allocating and initializing buffer objects with dataGlbufferdata (Gl_array_buffer,sizeof(vertices), vertices,gl_dynamic_draw); //4. Specify an offset relative to the start of the bufferGlvertexpointer (3, Gl_float,0, Buffer_offset (0)); //5. Be sure not to forget to startglenableclientstate (Gl_vertex_array);      Glbindbuffer (Gl_element_array_buffer,buffers[indices]); Glbufferdata (Gl_element_array_buffer,sizeof(indices), indices,gl_static_draw); }    intMainintargcChar*argv[]) {Glutinit (&argc, argv); Glutinitdisplaymode (gl_double| Glut_rgba |glut_depth); Glutinitwindowsize ( +, +); Glutcreatewindow ("Buffer Demo");      Init ();      Glutreshapefunc (changesize);      Glutmousefunc (mouse);      Glutkeyboardfunc (KeyDown);           Glutdisplayfunc (display);      Glutmainloop (); return 0; } 

SOURCE Link: OpenGL uses VBO to achieve vertex array drawing vertices

Go OpenGL implements vertex array drawing vertices via VBO