tests/glx/glx-fbo-binding.c

   1 /*
   2  * Copyright (c) 2011, VMware, 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 /**
  25  * Test framebuffer binding state across glXMakeCurrent calls.
  26  * Brian Paul
  27  * June 15, 2011
  28  */
  29
  30 #include "piglit-util-gl.h"
  31 #include "piglit-glx-util.h"
  32
  33 int piglit_width = 50, piglit_height = 50;
  34 static const char *TestName = "glx-fbo-binding";
  35
  36 static Window Windows[2];
  37 static GLXContext ctx;
  38
  39
  40 enum piglit_result
  41 draw(Display *dpy)
  42 {
  43    GLuint fbo = 0;
  44    GLint b = 0;
  45
  46    /* bind first window, create FBO, bind it */
  47    glXMakeCurrent(dpy, Windows[0], ctx);
  48    glGenFramebuffersEXT(1, &fbo);
  49    if (fbo == 0) {
  50       printf("%s: glGenFramebuffer() failed (%u)\n",
  51              TestName, fbo);
  52       return PIGLIT_FAIL;
  53    }
  54    glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, fbo);
  55    glGetIntegerv(GL_FRAMEBUFFER_BINDING_EXT, &b);
  56    if (fbo != b) {
  57       printf("%s: glBindFramebuffer() #1 failed (%u vs %d)\n",
  58              TestName, fbo, b);
  59       return PIGLIT_FAIL;
  60    }
  61
  62    /* bind second window, test FBO binding (should be unchanged) */
  63    glXMakeCurrent(dpy, Windows[1], ctx);
  64    glGetIntegerv(GL_FRAMEBUFFER_BINDING_EXT, &b);
  65    if (fbo != b) {
  66       printf("%s: glBindFramebuffer() #2 failed (%u vs %d)\n",
  67              TestName, fbo, b);
  68       return PIGLIT_FAIL;
  69    }
  70
  71    /* bind second window again, test FBO binding */
  72    glXMakeCurrent(dpy, Windows[1], ctx);
  73    glGetIntegerv(GL_FRAMEBUFFER_BINDING_EXT, &b);
  74    if (fbo != b) {
  75       printf("%s: glBindFramebuffer() #3 failed (%u vs %d)\n",
  76              TestName, fbo, b);
  77       return PIGLIT_FAIL;
  78    }
  79
  80    return PIGLIT_PASS;
  81 }
  82
  83
  84 int
  85 main(int argc, char **argv)
  86 {
  87    Display *dpy;
  88    XVisualInfo *visinfo;
  89    int i;
  90
  91    for (i = 1; i < argc; i++) {
  92       if (strcmp(argv[i], "-auto") == 0) {
  93          piglit_automatic = 1;
  94          break;
  95       }
  96    }
  97
  98    dpy = XOpenDisplay(NULL);
  99    if (!dpy) {
 100       fprintf(stderr, "Failed to open display\n");
 101       piglit_report_result(PIGLIT_FAIL);
 102    }
 103
 104    visinfo = piglit_get_glx_visual(dpy);
 105    Windows[0] = piglit_get_glx_window(dpy, visinfo);
 106    Windows[1] = piglit_get_glx_window(dpy, visinfo);
 107
 108    ctx = piglit_get_glx_context(dpy, visinfo);
 109
 110    glXMakeCurrent(dpy, Windows[0], ctx);
 111    piglit_dispatch_default_init(PIGLIT_DISPATCH_GL);
 112
 113    piglit_glx_event_loop(dpy, draw);
 114
 115    return 0;
 116 }