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 "breakpoint.h"
  11 #include "functions.h"
  12 #include "glwrap.h"
  13 #include "opengl.h"
  14 #include "packet.h"
  15
  16 GLenum cur_error = GL_NO_ERROR;
  17
  18 static void check_error()
  19 {
  20         GLenum (*orig_glGetError)() = NULL;
  21         GLenum code;
  22
  23         if(!orig_glGetError)
  24                 orig_glGetError = glsym("glGetError");
  25
  26         code = orig_glGetError();
  27         if(code!=GL_NO_ERROR)
  28         {
  29                 GlPacket *pkt;
  30
  31                 pkt = packet_begin(FUNC_GLDERROR);
  32                 packet_write_int(pkt, code);
  33                 packet_send(pkt, get_out_fd());
  34
  35                 if(cur_error==GL_NO_ERROR)
  36                         cur_error = code;
  37         }
  38 }
  39
  40 GLenum APIENTRY glGetError()
  41 {
  42         GLenum ret = cur_error;
  43         cur_error = GL_NO_ERROR;
  44         GlPacket *pkt;
  45
  46         pkt = packet_begin(FUNC_GLGETERROR);
  47         packet_write_int(pkt, ret);
  48         packet_send(pkt, get_out_fd());
  49
  50         return ret;
  51 }
  52
  53 void (*eglGetProcAddress(const char *procname))(void)
  54 {
  55         void *handle = NULL;
  56         void (*ret)() = NULL;
  57         GlPacket *pkt;
  58
  59         if(glsym((const char *)procname))
  60         {
  61                 handle = dlopen(NULL, RTLD_LAZY);
  62                 ret = dlsym(handle, (const char *)procname);
  63         }
  64
  65         pkt = packet_begin(FUNC_EGLGETPROCADDRESS);
  66         packet_write_pointer(pkt, ret);
  67         packet_write_string(pkt, (const char *)procname);
  68         packet_send(pkt, get_out_fd());
  69
  70         return ret;
  71 }
  72
  73 #include "gensrc/glwrap.funcs"