tests/glx/glx-multithread-buffer-refcount-bug.c

   1 /*
   2  * Copyright (c) 2021 Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23
  24 /* Simple test to reproduce this buffer reference counting issue:
  25  *    https://gitlab.freedesktop.org/mesa/mesa/-/issues/4259
  26  */
  27
  28 #include <unistd.h>
  29
  30 #include "piglit-util-gl.h"
  31 #include "piglit-glx-util.h"
  32
  33 int piglit_width = 50, piglit_height = 50;
  34
  35 int
  36 main(int argc, char **argv)
  37 {
  38         piglit_automatic = 1;
  39
  40         XInitThreads();
  41         Display *dpy = XOpenDisplay(NULL);
  42         if (dpy == NULL) {
  43                 fprintf(stderr, "couldn't open display\n");
  44                 piglit_report_result(PIGLIT_FAIL);
  45         }
  46         XVisualInfo *visinfo = piglit_get_glx_visual(dpy);
  47         Window win = piglit_get_glx_window(dpy, visinfo);
  48
  49         GLXContext ctx1 = piglit_get_glx_context_share(dpy, visinfo, NULL);
  50         GLXContext ctx2 = piglit_get_glx_context_share(dpy, visinfo, ctx1);
  51
  52         glXMakeCurrent(dpy, win, ctx1);
  53         piglit_dispatch_default_init(PIGLIT_DISPATCH_GL);
  54
  55         piglit_require_extension("GL_ARB_uniform_buffer_object");
  56
  57         GLuint buf[2];
  58         glCreateBuffers(2, buf);
  59         glBindBufferBase(GL_UNIFORM_BUFFER, 0, buf[0]);
  60         glBindBufferBase(GL_UNIFORM_BUFFER, 1, buf[1]);
  61
  62         glXMakeCurrent(dpy, win, ctx2);
  63         glDeleteBuffers(1, &buf[1]);
  64
  65         glXMakeCurrent(dpy, win, ctx1);
  66         glDeleteBuffers(1, &buf[0]); /* This shouldn't crash. */
  67
  68         glXDestroyContext(dpy, ctx1);
  69         glXDestroyContext(dpy, ctx2);
  70
  71         piglit_report_result(PIGLIT_PASS);
  72         return 0;
  73 }