tests/glx/glx-make-current.c

   1 /*
   2  * Copyright ?? Christopher James Halse Rogers <christopher.halse.rogers at canonical.com>
   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  * Authors:
  24  *    Christopher James Halse Rogers <christopher.halse.rogers at canonical.com>
  25  *
  26  */
  27
  28 /** @file glx-make-current.c
  29  *
  30  * Test that MakeCurrent can successfully switch a single context between
  31  * different drawables and back.
  32  *
  33  */
  34
  35 #include "piglit-util-gl.h"
  36 #include "piglit-glx-util.h"
  37
  38 int piglit_width = 50, piglit_height = 50;
  39 static Display *dpy;
  40 static Window win_one, win_two;
  41 static XVisualInfo *visinfo;
  42
  43 enum piglit_result
  44 draw(Display *dpy)
  45 {
  46         GLXContext ctx;
  47         float green[] = {0.0, 1.0, 0.0, 0.0};
  48         GLboolean pass = GL_TRUE;
  49
  50         ctx = piglit_get_glx_context(dpy, visinfo);
  51         glXMakeCurrent(dpy, win_one, ctx);
  52         piglit_dispatch_default_init(PIGLIT_DISPATCH_GL);
  53
  54         glClearColor(0.0, 1.0, 0.0, 1.0);
  55         glClear(GL_COLOR_BUFFER_BIT);
  56
  57         glXMakeCurrent(dpy, win_two, ctx);
  58
  59         glClear(GL_COLOR_BUFFER_BIT);
  60
  61
  62         glXMakeCurrent(dpy, win_one, ctx);
  63         pass &= piglit_probe_pixel_rgb(1, 1, green);
  64
  65         glXMakeCurrent(dpy, win_two, ctx);
  66         pass &= piglit_probe_pixel_rgb(1, 1, green);
  67
  68         glXSwapBuffers(dpy, win_one);
  69         glXSwapBuffers(dpy, win_two);
  70
  71         /* Free our resources when we're done. */
  72         glXMakeCurrent(dpy, None, NULL);
  73         glXDestroyContext(dpy, ctx);
  74
  75         return pass ? PIGLIT_PASS : PIGLIT_FAIL;
  76 }
  77
  78 int
  79 main(int argc, char **argv)
  80 {
  81         int i;
  82
  83         for(i = 1; i < argc; ++i) {
  84                 if (!strcmp(argv[i], "-auto"))
  85                         piglit_automatic = 1;
  86                 else
  87                         fprintf(stderr, "Unknown option: %s\n", argv[i]);
  88         }
  89
  90         dpy = XOpenDisplay(NULL);
  91         if (dpy == NULL) {
  92                 fprintf(stderr, "couldn't open display\n");
  93                 piglit_report_result(PIGLIT_FAIL);
  94         }
  95         visinfo = piglit_get_glx_visual(dpy);
  96         win_one = piglit_get_glx_window(dpy, visinfo);
  97         win_two = piglit_get_glx_window(dpy, visinfo);
  98
  99         piglit_glx_event_loop(dpy, draw);
 100
 101         return 0;
 102 }