flavors/gles2/source/glwrap_funcs.c

   1 #include <dlfcn.h>
   2 #include "arraysize.h"
   3 #include "breakpoint.h"
   4 #include "functions.h"
   5 #include "glwrap.h"
   6 #include "opengl.h"
   7 #include "packet.h"
   8
   9 GLenum cur_error = GL_NO_ERROR;
  10
  11 static void check_error()
  12 {
  13         GLenum (*orig_glGetError)() = NULL;
  14         GLenum code;
  15
  16         if(!orig_glGetError)
  17                 orig_glGetError = glsym("glGetError");
  18
  19         code = orig_glGetError();
  20         if(code!=GL_NO_ERROR)
  21         {
  22                 GlPacket *pkt;
  23
  24                 pkt = packet_begin(FUNC_GLDERROR);
  25                 packet_write_int(pkt, code);
  26                 packet_send(pkt, get_out_fd());
  27
  28                 if(cur_error==GL_NO_ERROR)
  29                         cur_error = code;
  30         }
  31 }
  32
  33 GLenum APIENTRY glGetError()
  34 {
  35         GLenum ret = cur_error;
  36         cur_error = GL_NO_ERROR;
  37         GlPacket *pkt;
  38
  39         pkt = packet_begin(FUNC_GLGETERROR);
  40         packet_write_int(pkt, ret);
  41         packet_send(pkt, get_out_fd());
  42
  43         return ret;
  44 }
  45
  46 void (*eglGetProcAddress(const char *procname))(void)
  47 {
  48         void *handle = NULL;
  49         void (*ret)() = NULL;
  50         GlPacket *pkt;
  51
  52         if(glsym((const char *)procname))
  53         {
  54                 handle = dlopen(NULL, RTLD_LAZY);
  55                 ret = dlsym(handle, (const char *)procname);
  56         }
  57
  58         pkt = packet_begin(FUNC_EGLGETPROCADDRESS);
  59         packet_write_pointer(pkt, ret);
  60         packet_write_string(pkt, (const char *)procname);
  61         packet_send(pkt, get_out_fd());
  62
  63         return ret;
  64 }
  65
  66 #include "gensrc/glwrap.funcs"