Split out glx surface creation to its own file

1 files changed, 6 insertions, 78 deletions

diff --git a/src/caskbench.cpp b/src/caskbench.cpp
index a296db6..09fa519 100644
--- a/src/caskbench.cpp
+++ b/src/caskbench.cpp
@@ -40,6 +40,12 @@ typedef struct _caskbench_result {
   int status;
 } caskbench_result_t;
 
+// Surfaces
+cairo_surface_t *
+create_source_surface_glx (int width, int height);
+
+
+
 void
 write_image_file_cairo (const char *fname, caskbench_context_t *context)
 {
@@ -194,84 +200,6 @@ randomize_color(cairo_t *cr)
   cairo_set_source_rgba (cr, red, green, blue, alpha);
 }
 
-struct closure {
-  Display *dpy;
-  GLXContext ctx;
-};
-
-static void
-cleanup (void *data)
-{
-  struct closure *arg = (closure*)data;
-
-  glXDestroyContext (arg->dpy, arg->ctx);
-  XCloseDisplay (arg->dpy);
-
-  free (arg);
-}
-
-static cairo_surface_t *
-create_source_surface_glx (int width, int height)
-{
-  int rgba_attribs[] = {
-    GLX_RGBA,
-    GLX_RED_SIZE, 1,
-    GLX_GREEN_SIZE, 1,
-    GLX_BLUE_SIZE, 1,
-    GLX_ALPHA_SIZE, 1,
-    GLX_DOUBLEBUFFER,
-    None
-  };
-  XVisualInfo *visinfo;
-  GLXContext ctx;
-  struct closure *arg;
-  cairo_device_t *device;
-  cairo_surface_t *surface;
-  Display *dpy;
-
-  dpy = XOpenDisplay (NULL);
-  if (dpy == NULL)
-    return NULL;
-
-  visinfo = glXChooseVisual (dpy, DefaultScreen (dpy), rgba_attribs);
-  if (visinfo == NULL) {
-    XCloseDisplay (dpy);
-    return NULL;
-  }
-
-  ctx = glXCreateContext (dpy, visinfo, NULL, True);
-  XFree (visinfo);
-
-  if (ctx == NULL) {
-    XCloseDisplay (dpy);
-    return NULL;
-  }
-
-  arg = (closure*) malloc (sizeof (struct closure));
-  if (!arg) {
-    XCloseDisplay (dpy);
-    return NULL;
-  }
-  arg->dpy = dpy;
-  arg->ctx = ctx;
-  device = cairo_glx_device_create (dpy, ctx);
-  if (cairo_device_set_user_data (device,
-				  (cairo_user_data_key_t *) cleanup,
-				  arg,
-				  cleanup))
-    {
-      cleanup (arg);
-      return NULL;
-    }
-
-  surface = cairo_gl_surface_create (device,
-				     CAIRO_CONTENT_COLOR_ALPHA,
-				     width, height);
-  cairo_device_destroy (device);
-
-  return surface;
-}
-
 int
 main (int argc, char *argv[])
 {