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 #define NUM_WINDOWS 3
  41 static Window wins[NUM_WINDOWS];
  42 static XVisualInfo *visinfo;
  43
  44 enum piglit_result
  45 draw(Display *dpy)
  46 {
  47         GLXContext ctx;
  48         float color[] = {
  49                 (float)rand() / RAND_MAX, (float)rand() / RAND_MAX, (float)rand() / RAND_MAX, 0.0
  50         };
  51         GLboolean pass = GL_TRUE;
  52
  53         ctx = piglit_get_glx_context(dpy, visinfo);
  54         glXMakeCurrent(dpy, wins[0], ctx);
  55         piglit_dispatch_default_init(PIGLIT_DISPATCH_GL);
  56         glClearColor(color[0], color[1], color[2], 1.0);
  57         glClear(GL_COLOR_BUFFER_BIT);
  58
  59         for (int i = 1; i < NUM_WINDOWS; i++) {
  60                 glXMakeCurrent(dpy, wins[i], ctx);
  61                 glClear(GL_COLOR_BUFFER_BIT);
  62         }
  63
  64         for (int i = 0; i < NUM_WINDOWS; i++) {
  65                 glXMakeCurrent(dpy, wins[i], ctx);
  66                 if (!piglit_probe_pixel_rgb(1, 1, color)) {
  67                         printf("  (test failed for window %d)\n", i);
  68                         pass = false;
  69                 }
  70         }
  71
  72         for (int i = 0; i < NUM_WINDOWS; i++) {
  73                 glXMakeCurrent(dpy, wins[i], ctx);
  74                 glXSwapBuffers(dpy, wins[i]);
  75         }
  76
  77         return pass ? PIGLIT_PASS : PIGLIT_FAIL;
  78 }
  79
  80 int
  81 main(int argc, char **argv)
  82 {
  83         int i;
  84
  85         for(i = 1; i < argc; ++i) {
  86                 if (!strcmp(argv[i], "-auto"))
  87                         piglit_automatic = 1;
  88                 else
  89                         fprintf(stderr, "Unknown option: %s\n", argv[i]);
  90         }
  91
  92         dpy = XOpenDisplay(NULL);
  93         if (dpy == NULL) {
  94                 fprintf(stderr, "couldn't open display\n");
  95                 piglit_report_result(PIGLIT_FAIL);
  96         }
  97         visinfo = piglit_get_glx_visual(dpy);
  98         for (int i = 0; i < NUM_WINDOWS; i++)
  99                 wins[i] = piglit_get_glx_window(dpy, visinfo);
 100
 101         piglit_glx_event_loop(dpy, draw);
 102
 103         /* Free our resources when we're done. */
 104         glXMakeCurrent(dpy, None, NULL);
 105         glXDestroyContext(dpy, piglit_get_glx_context(dpy, visinfo));
 106
 107         return 0;
 108 }