source/arb_vertex_buffer_object.cpp

   1 #include "arb_vertex_buffer_object.h"
   2
   3 namespace Msp {
   4 namespace GL {
   5
   6 PFNGLBINDBUFFERARBPROC glBindBuffer = 0;
   7 PFNGLBUFFERDATAARBPROC glBufferData = 0;
   8 PFNGLBUFFERSUBDATAARBPROC glBufferSubData = 0;
   9 PFNGLDELETEBUFFERSARBPROC glDeleteBuffers = 0;
  10 PFNGLGENBUFFERSARBPROC glGenBuffers = 0;
  11 PFNGLGETBUFFERPARAMETERIVARBPROC glGetBufferParameteriv = 0;
  12 PFNGLGETBUFFERPOINTERVARBPROC glGetBufferPointerv = 0;
  13 PFNGLGETBUFFERSUBDATAARBPROC glGetBufferSubData = 0;
  14 PFNGLISBUFFERARBPROC glIsBuffer = 0;
  15 PFNGLMAPBUFFERARBPROC glMapBuffer = 0;
  16 PFNGLUNMAPBUFFERARBPROC glUnmapBuffer = 0;
  17
  18 Extension::SupportLevel init_arb_vertex_buffer_object()
  19 {
  20         if(is_version_at_least(1, 5))
  21         {
  22                 glBindBuffer = reinterpret_cast<PFNGLBINDBUFFERARBPROC>(get_proc_address("glBindBuffer"));
  23                 glBufferData = reinterpret_cast<PFNGLBUFFERDATAARBPROC>(get_proc_address("glBufferData"));
  24                 glBufferSubData = reinterpret_cast<PFNGLBUFFERSUBDATAARBPROC>(get_proc_address("glBufferSubData"));
  25                 glDeleteBuffers = reinterpret_cast<PFNGLDELETEBUFFERSARBPROC>(get_proc_address("glDeleteBuffers"));
  26                 glGenBuffers = reinterpret_cast<PFNGLGENBUFFERSARBPROC>(get_proc_address("glGenBuffers"));
  27                 glGetBufferParameteriv = reinterpret_cast<PFNGLGETBUFFERPARAMETERIVARBPROC>(get_proc_address("glGetBufferParameteriv"));
  28                 glGetBufferPointerv = reinterpret_cast<PFNGLGETBUFFERPOINTERVARBPROC>(get_proc_address("glGetBufferPointerv"));
  29                 glGetBufferSubData = reinterpret_cast<PFNGLGETBUFFERSUBDATAARBPROC>(get_proc_address("glGetBufferSubData"));
  30                 glIsBuffer = reinterpret_cast<PFNGLISBUFFERARBPROC>(get_proc_address("glIsBuffer"));
  31                 glMapBuffer = reinterpret_cast<PFNGLMAPBUFFERARBPROC>(get_proc_address("glMapBuffer"));
  32                 glUnmapBuffer = reinterpret_cast<PFNGLUNMAPBUFFERARBPROC>(get_proc_address("glUnmapBuffer"));
  33                 return Extension::CORE;
  34         }
  35         if(is_supported("GL_ARB_vertex_buffer_object"))
  36         {
  37                 glBindBuffer = reinterpret_cast<PFNGLBINDBUFFERARBPROC>(get_proc_address("glBindBufferARB"));
  38                 glBufferData = reinterpret_cast<PFNGLBUFFERDATAARBPROC>(get_proc_address("glBufferDataARB"));
  39                 glBufferSubData = reinterpret_cast<PFNGLBUFFERSUBDATAARBPROC>(get_proc_address("glBufferSubDataARB"));
  40                 glDeleteBuffers = reinterpret_cast<PFNGLDELETEBUFFERSARBPROC>(get_proc_address("glDeleteBuffersARB"));
  41                 glGenBuffers = reinterpret_cast<PFNGLGENBUFFERSARBPROC>(get_proc_address("glGenBuffersARB"));
  42                 glGetBufferParameteriv = reinterpret_cast<PFNGLGETBUFFERPARAMETERIVARBPROC>(get_proc_address("glGetBufferParameterivARB"));
  43                 glGetBufferPointerv = reinterpret_cast<PFNGLGETBUFFERPOINTERVARBPROC>(get_proc_address("glGetBufferPointervARB"));
  44                 glGetBufferSubData = reinterpret_cast<PFNGLGETBUFFERSUBDATAARBPROC>(get_proc_address("glGetBufferSubDataARB"));
  45                 glIsBuffer = reinterpret_cast<PFNGLISBUFFERARBPROC>(get_proc_address("glIsBufferARB"));
  46                 glMapBuffer = reinterpret_cast<PFNGLMAPBUFFERARBPROC>(get_proc_address("glMapBufferARB"));
  47                 glUnmapBuffer = reinterpret_cast<PFNGLUNMAPBUFFERARBPROC>(get_proc_address("glUnmapBufferARB"));
  48                 return Extension::EXTENSION;
  49         }
  50         return Extension::UNSUPPORTED;
  51 }
  52
  53 Extension ARB_vertex_buffer_object("GL_ARB_vertex_buffer_object", init_arb_vertex_buffer_object);
  54
  55 } // namespace GL
  56 } // namespace Msp