tests/texturing/depth-tex-modes.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
  21  * DEALINGS IN THE SOFTWARE.
  22  */
  23
  24 // author: Ben Holmes
  25
  26 /*
  27  * Draws depth textures as LUMINANCE, INTENSITY, and ALPHA using both 2d
  28  * textures and texture rectangles.
  29  */
  30
  31 #include "piglit-util-gl.h"
  32 #include "depth-tex-modes-common.h"
  33
  34 static const GLenum depth_texture_modes[] = {
  35         GL_ALPHA, GL_LUMINANCE, GL_INTENSITY
  36 };
  37
  38 #define BOX_SIZE 64
  39 #define TEST_ROWS 4
  40 #define TEST_COLS ARRAY_SIZE(depth_texture_modes)
  41
  42 PIGLIT_GL_TEST_CONFIG_BEGIN
  43
  44         config.supports_gl_compat_version = 10;
  45
  46         config.window_width = 1+(TEST_COLS*(BOX_SIZE+1));
  47         config.window_height = 1+(TEST_ROWS*(BOX_SIZE+1));
  48         config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGB;
  49         config.khr_no_error_support = PIGLIT_NO_ERRORS;
  50
  51 PIGLIT_GL_TEST_CONFIG_END
  52
  53 GLuint tex[2];
  54
  55 void
  56 piglit_init(int argc, char **argv)
  57 {
  58         (void) argc;
  59         (void) argv;
  60
  61         depth_tex_init();
  62
  63         if (!piglit_automatic)
  64                 printf(" Left to Right: ALPHA, LUMINANCE, INTENSITY\n"
  65                        " Lower row: Combined with color\n"
  66                        " Upper row: combined with alpha\n"
  67                        " pink: TEXTURE_2D green: TEXTURE_RECTANGLE\n");
  68 }
  69
  70
  71 enum piglit_result
  72 piglit_display(void)
  73 {
  74         return depth_tex_display(depth_texture_modes,
  75                                  ARRAY_SIZE(depth_texture_modes),
  76                                  BOX_SIZE);
  77 }