tests/shaders/glsl-explicit-location-02.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-02.c
  26  * Test GL_ARB_explicit_attrib_location with glBindAttribLocation
  27  *
  28  * Load a shader that uses the location layout qualifier on an attribute.
  29  * Set the attribute to a different location by calling \c glBindAttribLocation.
  30  * Verify that the attribute is assigned to the location specified in the
  31  * shader.
  32  *
  33  * \author Ian Romanick
  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 PIGLIT_GL_TEST_CONFIG_END
  45
  46 enum piglit_result
  47 piglit_display(void)
  48 {
  49         return PIGLIT_FAIL;
  50 }
  51
  52 void piglit_init(int argc, char **argv)
  53 {
  54         GLint vert;
  55         GLint prog;
  56         GLint loc;
  57         GLboolean ok;
  58
  59         piglit_require_gl_version(20);
  60
  61         piglit_require_extension("GL_ARB_explicit_attrib_location");
  62
  63         vert = piglit_compile_shader(GL_VERTEX_SHADER,
  64                                      "shaders/glsl-explicit-location-01.vert");
  65         prog = glCreateProgram();
  66         glAttachShader(prog, vert);
  67         glLinkProgram(prog);
  68
  69         ok = piglit_link_check_status(prog);
  70         if (!ok)
  71                 piglit_report_result(PIGLIT_FAIL);
  72
  73         glBindAttribLocation(prog, 3, "vertex");
  74         ok = piglit_link_check_status(prog);
  75         if (!ok)
  76                 piglit_report_result(PIGLIT_FAIL);
  77
  78         loc = glGetAttribLocation(prog, "vertex");
  79         if (loc != 0) {
  80                 fprintf(stderr,
  81                         "Expected location of 'vertex' to be 0, got "
  82                         "%d instead.\n", loc);
  83                 piglit_report_result(PIGLIT_FAIL);
  84         }
  85
  86         piglit_report_result(PIGLIT_PASS);
  87 }
  88