| /* |
| * Copyright © 2008 Chris Wilson |
| * Copyright © 2010 Intel Corporation |
| * |
| * Permission to use, copy, modify, distribute, and sell this software |
| * and its documentation for any purpose is hereby granted without |
| * fee, provided that the above copyright notice appear in all copies |
| * and that both that copyright notice and this permission notice |
| * appear in supporting documentation, and that the name of |
| * Chris Wilson not be used in advertising or publicity pertaining to |
| * distribution of the software without specific, written prior |
| * permission. Chris Wilson makes no representations about the |
| * suitability of this software for any purpose. It is provided "as |
| * is" without express or implied warranty. |
| * |
| * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS |
| * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND |
| * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, |
| * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER |
| * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION |
| * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR |
| * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| * |
| * Author: Chris Wilson <chris@chris-wilson.co.uk> |
| */ |
| |
| #include "cairo-test.h" |
| #include <cairo-gl.h> |
| |
| #include "surface-source.c" |
| |
| struct closure { |
| Display *dpy; |
| GLXContext ctx; |
| }; |
| |
| static void |
| cleanup (void *data) |
| { |
| struct closure *arg = data; |
| |
| glXDestroyContext (arg->dpy, arg->ctx); |
| XCloseDisplay (arg->dpy); |
| |
| free (arg); |
| } |
| |
| static cairo_surface_t * |
| create_source_surface (int size) |
| { |
| 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 = xmalloc (sizeof (struct closure)); |
| 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, |
| size, size); |
| cairo_device_destroy (device); |
| |
| return surface; |
| } |
| |
| CAIRO_TEST (gl_surface_source, |
| "Test using a GL surface as the source", |
| "source", /* keywords */ |
| NULL, /* requirements */ |
| SIZE, SIZE, |
| preamble, draw) |