tests/shaders/glsl-explicit-location-01.c

   1 /*
   2  * Copyright © 2010 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  * \file glsl-explicit-attrib-location-01.c
  26  * Basic test of GL_ARB_explicit_attrib_location
  27  *
  28  * Load a shader that uses the location layout qualifier on an attribute.
  29  * Verify that the attribute is assigned that location.
  30  *
  31  * \author Ian Romanick
  32  */
  33
  34 #include "piglit-util-gl.h"
  35
  36 PIGLIT_GL_TEST_CONFIG_BEGIN
  37
  38         config.supports_gl_compat_version = 10;
  39
  40         config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE;
  41
  42 PIGLIT_GL_TEST_CONFIG_END
  43
  44 enum piglit_result
  45 piglit_display(void)
  46 {
  47         return PIGLIT_FAIL;
  48 }
  49
  50 void piglit_init(int argc, char **argv)
  51 {
  52         GLint vert;
  53         GLint prog;
  54         GLboolean ok;
  55
  56         piglit_require_gl_version(20);
  57
  58         piglit_require_extension("GL_ARB_explicit_attrib_location");
  59
  60         vert = piglit_compile_shader(GL_VERTEX_SHADER,
  61                                      "shaders/glsl-explicit-location-01.vert");
  62         prog = glCreateProgram();
  63         glAttachShader(prog, vert);
  64         glLinkProgram(prog);
  65
  66         ok = piglit_link_check_status(prog);
  67         if (ok) {
  68                 GLint loc = glGetAttribLocation(prog, "vertex");
  69
  70                 if (loc != 0) {
  71                         fprintf(stderr,
  72                                 "Expected location of 'vertex' to be 0, got "
  73                                 "%d instead.\n", loc);
  74                         ok = GL_FALSE;
  75                 }
  76
  77         }
  78
  79         piglit_report_result(ok ? PIGLIT_PASS : PIGLIT_FAIL);
  80 }
  81