render2/instance.c

   1 #include "instance.h"
   2 #include <glib.h>
   3
   4 struct RrInstance *RrInstanceNew(Display *display,
   5                                  int screen,
   6                                  XVisualInfo visinfo)
   7 {
   8     struct RrInstance *inst;
   9
  10     inst = g_new(struct RrInstance, 1);
  11     inst->display = display;
  12     inst->screen = screen;
  13     inst->visinfo = visinfo;
  14     inst->cmap = XCreateColormap(display, RootWindow(display, screen),
  15                                  RrVisual(inst), AllocNone);
  16     inst->glx_context = glXCreateContext(display, &visinfo, NULL, TRUE);
  17
  18     g_assert(inst->glx_context);
  19
  20     return inst;
  21 }
  22
  23 void RrInstanceFree(struct RrInstance *inst)
  24 {
  25     if (inst) {
  26         glXDestroyContext(inst->display, inst->glx_context);
  27         XFreeColormap(inst->display, inst->cmap);
  28         g_free(inst);
  29     }
  30 }