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2658d7ef5f
As we actually use the GLXContext to create the device, we only want to free those resources upon the final unreference of the device (and not the initial surface).
111 lines
2.8 KiB
C
111 lines
2.8 KiB
C
/*
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* Copyright © 2008 Chris Wilson
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* Copyright © 2010 Intel Corporation
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*
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* Permission to use, copy, modify, distribute, and sell this software
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* and its documentation for any purpose is hereby granted without
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* fee, provided that the above copyright notice appear in all copies
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* and that both that copyright notice and this permission notice
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* appear in supporting documentation, and that the name of
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* Chris Wilson not be used in advertising or publicity pertaining to
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* distribution of the software without specific, written prior
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* permission. Chris Wilson makes no representations about the
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* suitability of this software for any purpose. It is provided "as
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* is" without express or implied warranty.
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*
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* CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
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* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL,
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* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
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* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
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* IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* Author: Chris Wilson <chris@chris-wilson.co.uk>
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*/
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#include "cairo-test.h"
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#include <cairo-gl.h>
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#include "surface-source.c"
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struct closure {
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Display *dpy;
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GLXContext ctx;
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};
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static void
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cleanup (void *data)
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{
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struct closure *arg = data;
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glXDestroyContext (arg->dpy, arg->ctx);
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XCloseDisplay (arg->dpy);
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free (arg);
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}
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static cairo_surface_t *
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create_source_surface (int size)
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{
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int rgba_attribs[] = {
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GLX_RGBA,
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GLX_RED_SIZE, 1,
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GLX_GREEN_SIZE, 1,
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GLX_BLUE_SIZE, 1,
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GLX_ALPHA_SIZE, 1,
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GLX_DOUBLEBUFFER,
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None
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};
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XVisualInfo *visinfo;
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GLXContext ctx;
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struct closure *arg;
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cairo_device_t *device;
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cairo_surface_t *surface;
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Display *dpy;
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dpy = XOpenDisplay (NULL);
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if (dpy == NULL)
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return NULL;
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visinfo = glXChooseVisual (dpy, DefaultScreen (dpy), rgba_attribs);
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if (visinfo == NULL) {
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XCloseDisplay (dpy);
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return NULL;
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}
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ctx = glXCreateContext (dpy, visinfo, NULL, True);
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XFree (visinfo);
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if (ctx == NULL) {
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XCloseDisplay (dpy);
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return NULL;
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}
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arg = xmalloc (sizeof (struct closure));
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arg->dpy = dpy;
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arg->ctx = ctx;
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device = cairo_glx_device_create (dpy, ctx);
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if (cairo_device_set_user_data (device,
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(cairo_user_data_key_t *) cleanup,
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arg,
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cleanup))
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{
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cleanup (arg);
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return NULL;
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}
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surface = cairo_gl_surface_create (device,
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CAIRO_CONTENT_COLOR_ALPHA,
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size, size);
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cairo_device_destroy (device);
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return surface;
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}
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CAIRO_TEST (gl_surface_source,
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"Test using a GL surface as the source",
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"source", /* keywords */
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NULL, /* requirements */
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SIZE, SIZE,
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preamble, draw)
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