tests/shaders/glsl-getactiveuniform-count.c

   1 /*
   2  * Copyright © 2009 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  * Authors:
  24  *    Eric Anholt <eric@anholt.net>
  25  *
  26  */
  27
  28 /** @file glsl-getactiveuniform-count.c
  29  *
  30  * Tests that glGetActiveUniform's maximum index is correctly reflected in
  31  * GL_ACTIVE_UNIFORMS.
  32  */
  33
  34 #include "piglit-util.h"
  35
  36 int piglit_width = 100, piglit_height = 100;
  37 int piglit_window_mode = GLUT_RGB | GLUT_DOUBLE;
  38
  39 static GLint prog;
  40
  41 enum piglit_result
  42 piglit_display(void)
  43 {
  44         /* unreached */
  45         return PIGLIT_FAILURE;
  46 }
  47
  48 void
  49 piglit_init(int argc, char **argv)
  50 {
  51         GLboolean pass = GL_TRUE;
  52         GLint vs, fs, num;
  53
  54         if (!GLEW_VERSION_2_0) {
  55                 printf("Requires OpenGL 2.0\n");
  56                 piglit_report_result(PIGLIT_SKIP);
  57         }
  58
  59         vs = piglit_compile_shader(GL_VERTEX_SHADER,
  60                                    "shaders/glsl-getactiveuniform-length.vert");
  61         fs = piglit_compile_shader(GL_FRAGMENT_SHADER,
  62                                    "shaders/glsl-color.frag");
  63
  64         prog = piglit_link_simple_program(vs, fs);
  65
  66         glGetProgramiv(prog, GL_ACTIVE_UNIFORMS, &num);
  67         if (num != 1) {
  68                 printf("Unexpected active uniform count "
  69                        "(saw %d, expected 1)\n", num);
  70                 pass = GL_FALSE;
  71         }
  72
  73         if (pass)
  74                 piglit_report_result(PIGLIT_SUCCESS);
  75         else
  76                 piglit_report_result(PIGLIT_FAILURE);
  77 }