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-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 static GLint prog;
  45
  46 enum piglit_result
  47 piglit_display(void)
  48 {
  49         /* unreached */
  50         return PIGLIT_FAIL;
  51 }
  52
  53 void
  54 piglit_init(int argc, char **argv)
  55 {
  56         GLboolean pass = GL_TRUE;
  57         GLint vs, fs, num;
  58         GLint expect;
  59
  60         if (argc < 3) {
  61                 printf("Usage: %s <vertex shader file> "
  62                        "<expected uniform count>\n", argv[0]);
  63                 piglit_report_result(PIGLIT_FAIL);
  64         }
  65
  66         expect = (int) strtol(argv[2], NULL, 0);
  67
  68         piglit_require_vertex_shader();
  69         piglit_require_fragment_shader();
  70
  71         vs = piglit_compile_shader(GL_VERTEX_SHADER, argv[1]);
  72         fs = piglit_compile_shader(GL_FRAGMENT_SHADER,
  73                                    "shaders/glsl-color.frag");
  74
  75         prog = piglit_link_simple_program(vs, fs);
  76
  77         glGetProgramiv(prog, GL_ACTIVE_UNIFORMS, &num);
  78         if (num != expect) {
  79                 printf("Unexpected active uniform count "
  80                        "(saw %d, expected %d)\n", num, expect);
  81                 pass = GL_FALSE;
  82         }
  83
  84         if (pass)
  85                 piglit_report_result(PIGLIT_PASS);
  86         else
  87                 piglit_report_result(PIGLIT_FAIL);
  88 }