tests/spec/arb_provoking_vertex/provoking-vertex-control.c

   1 /**
   2  * Copyright © 2013 Intel Corporation
   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 that ProvokingVertex() controls the provoking vertex convention
  26  *
  27  * Section 2.18(Flatshading) of OpenGL 3.2 Core says:
  28  * "The provoking vertex is controlled with the command
  29  *      void ProvokingVertex( enum provokeMode );
  30  *  provokeMode must be either FIRST_VERTEX_CONVENTION or
  31  *  LAST_VERTEX_CONVENTION"
  32  *
  33  */
  34
  35 #include "piglit-util-gl.h"
  36
  37 PIGLIT_GL_TEST_CONFIG_BEGIN
  38
  39         config.supports_gl_compat_version = 32;
  40         config.supports_gl_core_version = 32;
  41         config.khr_no_error_support = PIGLIT_NO_ERRORS;
  42
  43 PIGLIT_GL_TEST_CONFIG_END
  44
  45 void
  46 piglit_init(int argc, char **argv)
  47 {
  48         bool pass = true;
  49         int ret = 0;
  50
  51         glProvokingVertex(GL_FIRST_VERTEX_CONVENTION);
  52         glGetIntegerv(GL_PROVOKING_VERTEX, &ret);
  53         if(ret != GL_FIRST_VERTEX_CONVENTION) {
  54                 printf("GL_PROVOKING_VERTEX was expected to be GL_FIRST_VERTEX"
  55                         "_CONVENTION, but %s was returned.\n",
  56                          piglit_get_gl_enum_name(ret));
  57                 pass = false;
  58         }
  59         pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
  60
  61         glProvokingVertex(GL_LAST_VERTEX_CONVENTION);
  62         glGetIntegerv(GL_PROVOKING_VERTEX, &ret);
  63         if(ret != GL_LAST_VERTEX_CONVENTION) {
  64                 printf("GL_PROVOKING_VERTEX was expected to be GL_LAST_VERTEX"
  65                         "_CONVENTION, but %s was returned.\n",
  66                          piglit_get_gl_enum_name(ret));
  67                 pass = false;
  68         }
  69         pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
  70
  71         piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
  72 }
  73
  74 enum piglit_result
  75 piglit_display(void)
  76 {
  77         return PIGLIT_FAIL;
  78 }