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Diffstat (limited to 'test/gl-device-release.c')
-rw-r--r-- | test/gl-device-release.c | 182 |
1 files changed, 0 insertions, 182 deletions
diff --git a/test/gl-device-release.c b/test/gl-device-release.c deleted file mode 100644 index 7f554be30..000000000 --- a/test/gl-device-release.c +++ /dev/null @@ -1,182 +0,0 @@ -/* - * Copyright © 2012 Igalia S.L. - * Copyright © 2009 Eric Anholt - * Copyright © 2009 Chris Wilson - * Copyright © 2005 Red Hat, Inc - * - * 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. - * - * IGALIA S.L. 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: Martin Robinson <mrobinson@igalia.com> - */ - -#include "cairo-test.h" -#include <cairo-gl.h> -#include <assert.h> - -static Window -create_test_window (Display *display, - GLXContext glx_context, - XVisualInfo *visual_info) -{ - Colormap colormap; - XSetWindowAttributes window_attributes; - Window window = None; - - colormap = XCreateColormap (display, - RootWindow (display, visual_info->screen), - visual_info->visual, - AllocNone); - window_attributes.colormap = colormap; - window_attributes.border_pixel = 0; - window = XCreateWindow (display, RootWindow (display, visual_info->screen), - -1, -1, 1, 1, 0, - visual_info->depth, - InputOutput, - visual_info->visual, - CWBorderPixel | CWColormap, &window_attributes); - XFreeColormap (display, colormap); - - XFlush (display); - return window; -} - -static cairo_bool_t -multithread_makecurrent_available (Display *display) -{ - const char *extensions = glXQueryExtensionsString (display, - DefaultScreen (display)); - return !! strstr(extensions, "GLX_MESA_multithread_makecurrent"); -} - -static void -draw_to_surface (cairo_surface_t *surface) -{ - cairo_t *cr = cairo_create (surface); - cairo_paint (cr); - cairo_destroy (cr); -} - -static cairo_test_status_t -preamble (cairo_test_context_t *test_ctx) -{ - 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 *visual_info; - GLXContext glx_context; - cairo_device_t *device; - Display *display; - Window test_window; - cairo_surface_t *window_surface; - cairo_bool_t has_multithread_makecurrent; - - display = XOpenDisplay (NULL); - if (display == NULL) - return CAIRO_TEST_UNTESTED; - - visual_info = glXChooseVisual (display, DefaultScreen (display), rgba_attribs); - if (visual_info == NULL) { - XCloseDisplay (display); - return CAIRO_TEST_UNTESTED; - } - - glx_context = glXCreateContext (display, visual_info, NULL, True); - if (glx_context == NULL) { - XCloseDisplay (display); - return CAIRO_TEST_UNTESTED; - } - - test_window = create_test_window (display, glx_context, visual_info); - XFree (visual_info); - if (test_window == None) { - XCloseDisplay (display); - return CAIRO_TEST_UNTESTED; - } - - has_multithread_makecurrent = multithread_makecurrent_available (display); - - glXMakeCurrent (display, None, None); - - /* Creating the device should actually change the GL context, because of - * the creation/activation of a dummy window used for texture surfaces. */ - device = cairo_glx_device_create (display, glx_context); - - /* It's important that when multithread_makecurrent isn't available the - * Cairo backend clears the current context, so that the dummy texture - * window is not active while the device is unlocked. */ - if (has_multithread_makecurrent) { - assert (None != glXGetCurrentDrawable ()); - assert (display == glXGetCurrentDisplay ()); - assert (glx_context == glXGetCurrentContext ()); - } else { - assert (None == glXGetCurrentDrawable ()); - assert (None == glXGetCurrentDisplay ()); - assert (None == glXGetCurrentContext ()); - } - - window_surface = cairo_gl_surface_create_for_window (device, test_window, - 1, 1); - assert (cairo_surface_status (window_surface) == CAIRO_STATUS_SUCCESS); - - draw_to_surface (window_surface); - if (has_multithread_makecurrent) { - assert (test_window == glXGetCurrentDrawable ()); - assert (display == glXGetCurrentDisplay ()); - assert (glx_context == glXGetCurrentContext ()); - } else { - assert (None == glXGetCurrentDrawable ()); - assert (None == glXGetCurrentDisplay ()); - assert (None == glXGetCurrentContext ()); - } - - /* In this case, drawing to the window surface will not change the current - * GL context, so Cairo setting the current surface and context to none. */ - glXMakeCurrent (display, test_window, glx_context); - draw_to_surface (window_surface); - assert (test_window == glXGetCurrentDrawable ()); - assert (display == glXGetCurrentDisplay ()); - assert (glx_context == glXGetCurrentContext ()); - - /* There should be no context change when destroying the device. */ - cairo_device_destroy (device); - assert (test_window == glXGetCurrentDrawable ()); - assert (display == glXGetCurrentDisplay ()); - assert (glx_context == glXGetCurrentContext ()); - - glXDestroyContext(display, glx_context); - XDestroyWindow (display, test_window); - XCloseDisplay (display); - - return CAIRO_TEST_SUCCESS; -} - -CAIRO_TEST (gl_device_creation_changes_context, - "Test that using the Cairo GL backend leaves the current GL context in the appropriate state", - "gl", /* keywords */ - NULL, /* requirements */ - 0, 0, - preamble, NULL) |