tests/general/geterror-inside-begin.c

   1 /*
   2  * Copyright (c) 2010 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
  21  * DEALINGS IN THE SOFTWARE.
  22  */
  23
  24 /**
  25  * @file geterror-inside-begin.c
  26  *
  27  * Verifies glGetError errors.
  28  *
  29  * "GL_INVALID_OPERATION is generated if glGetError is executed between the
  30  * execution of glBegin and the corresponding execution of glEnd. In this
  31  * case, glGetError returns 0."
  32  *
  33  * @author Vinson Lee <vlee@vmware.com>
  34  */
  35
  36 #include "piglit-util-gl.h"
  37
  38 PIGLIT_GL_TEST_CONFIG_BEGIN
  39
  40         config.supports_gl_compat_version = 10;
  41
  42         config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE;
  43
  44         config.khr_no_error_support = PIGLIT_HAS_ERRORS;
  45
  46 PIGLIT_GL_TEST_CONFIG_END
  47
  48 enum piglit_result
  49 piglit_display(void)
  50 {
  51         return PIGLIT_FAIL;
  52 }
  53
  54 void
  55 piglit_init(int argc, char **argv)
  56 {
  57         enum piglit_result result = PIGLIT_PASS;
  58         GLenum err;
  59
  60         while (glGetError() != 0) {
  61                 /* empty */
  62         }
  63
  64         glBegin(GL_POINTS);
  65         err = glGetError();
  66         glEnd();
  67
  68         if (err != 0) {
  69                 printf("Unexpected OpenGL error state 0x%04x for glGetError() "
  70                        "inside glBegin/glEnd pair (expected 0x0000).\n",
  71                        err);
  72                 result = PIGLIT_FAIL;
  73         }
  74
  75         err = glGetError();
  76
  77         if (err != GL_INVALID_OPERATION) {
  78                 printf("Unexpected OpenGL error state 0x%04x for glGetError() "
  79                        "inside glBegin/glEnd pair (expected 0x%04x).\n",
  80                        err, GL_INVALID_OPERATION);
  81                 result = PIGLIT_FAIL;
  82         }
  83
  84         piglit_report_result(result);
  85 }