flavors/gles2/source/glwrap_funcs.c

   1 /* $Id$
   2
   3 This file is part of gldbg
   4 Copyright © 2010  Mikko Rasa, Mikkosoft Productions
   5 Distributed under the GPL
   6 */
   7
   8 #include <dlfcn.h>
   9 #include "arraysize.h"
  10 #include "functions.h"
  11 #include "glwrap.h"
  12 #include "opengl.h"
  13
  14 GLenum cur_error = GL_NO_ERROR;
  15
  16 static void check_error()
  17 {
  18         GLenum (*orig_glGetError)() = 0;
  19         GLenum code;
  20
  21         if(!orig_glGetError)
  22                 orig_glGetError = glsym("glGetError");
  23
  24         code = orig_glGetError();
  25         if(code!=GL_NO_ERROR)
  26         {
  27                 begin_packet(FUNC_GLDERROR);
  28                 write_int(code);
  29                 send_packet();
  30
  31                 if(cur_error==GL_NO_ERROR)
  32                         cur_error = code;
  33         }
  34 }
  35
  36 GLenum APIENTRY glGetError()
  37 {
  38         GLenum ret = cur_error;
  39         cur_error = GL_NO_ERROR;
  40
  41         begin_packet(FUNC_GLGETERROR);
  42         write_int(ret);
  43         send_packet();
  44
  45         return ret;
  46 }
  47
  48 void (*eglGetProcAddress(const char *procname))(void)
  49 {
  50         void *handle = 0;
  51         void (*ret)() = 0;
  52
  53         if(glsym((const char *)procname))
  54         {
  55                 handle = dlopen(NULL, RTLD_LAZY);
  56                 ret = dlsym(handle, (const char *)procname);
  57         }
  58
  59         begin_packet(FUNC_EGLGETPROCADDRESS);
  60         write_pointer(ret);
  61         write_string((const char *)procname);
  62         send_packet();
  63
  64         return ret;
  65 }
  66
  67 #include "gensrc/glwrap.funcs"