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95f320e3f2
When creating a texture surface that is larger than the maximum framebuffer or texture dimensions of the context, return a surface in error. Previously the code failed an assertion, but this prevents an application from easily detecting when to fall back. Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
88 lines
2.8 KiB
C
88 lines
2.8 KiB
C
/*
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* Copyright © 2012 Igalia S.L.
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* Copyright © 2009 Eric Anholt
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* Copyright © 2009 Chris Wilson
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* Copyright © 2005 Red Hat, Inc
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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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* IGALIA S.L. 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: Martin Robinson <mrobinson@igalia.com>
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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 <assert.h>
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#include <limits.h>
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static cairo_test_status_t
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preamble (cairo_test_context_t *test_ctx)
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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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Display *display;
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XVisualInfo *visual_info;
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GLXContext glx_context;
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cairo_device_t *device;
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cairo_surface_t *oversized_surface;
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cairo_test_status_t test_status = CAIRO_TEST_SUCCESS;
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display = XOpenDisplay (NULL);
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if (display == NULL)
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return CAIRO_TEST_UNTESTED;
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visual_info = glXChooseVisual (display, DefaultScreen (display), rgba_attribs);
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if (visual_info == NULL) {
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XCloseDisplay (display);
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return CAIRO_TEST_UNTESTED;
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}
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glx_context = glXCreateContext (display, visual_info, NULL, True);
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if (glx_context == NULL) {
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XCloseDisplay (display);
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return CAIRO_TEST_UNTESTED;
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}
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device = cairo_glx_device_create (display, glx_context);
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oversized_surface = cairo_gl_surface_create (device, CAIRO_CONTENT_COLOR_ALPHA, INT_MAX, INT_MAX);
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if (cairo_surface_status (oversized_surface) != CAIRO_STATUS_INVALID_SIZE)
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test_status = CAIRO_TEST_FAILURE;
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cairo_device_destroy (device);
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glXDestroyContext(display, glx_context);
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XCloseDisplay (display);
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return test_status;
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}
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CAIRO_TEST (gl_oversized_surface,
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"Test that creating a surface beyond texture limits results in an error surface",
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"gl", /* keywords */
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NULL, /* requirements */
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0, 0,
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preamble, NULL)
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