tests/spec/khr_texture_compression_astc/void-extent-dl-bug.c

   1 /*
   2  * Copyright © 2018 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 #include "piglit-util-gl.h"
  25 #include "common.h"
  26
  27 PIGLIT_GL_TEST_CONFIG_BEGIN
  28
  29         config.supports_gl_compat_version = 11;
  30         config.supports_gl_es_version = 20;
  31         config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE;
  32
  33 PIGLIT_GL_TEST_CONFIG_END
  34
  35 void
  36 piglit_init(int argc, char **argv)
  37 {
  38         piglit_require_extension("GL_KHR_texture_compression_astc_ldr");
  39 }
  40
  41 enum piglit_result
  42 piglit_display(void)
  43 {
  44         /* Mesa commit 710b1d2e665ed654fb8d52b146fa22469e1dc3a7 introduced a
  45          * bug with void-extent blocks that have channel values between 0 and
  46          * 4. Test this case.
  47          */
  48         const short void_extent_block_upload[8] = {0x0DFC,   // ve header
  49                                                    0x0000,   // don't care
  50                                                    0x0000,   // don't care
  51                                                    0x0000,   // don't care
  52                                                    0x0001,   // r channel
  53                                                    0x0002,   // g channel
  54                                                    0x0003,   // b channel
  55                                                    0x0004,}; // a channel
  56         short void_extent_block_download[8] = {0,};
  57
  58         bool pass = true;
  59         for (int i = 0; i < ARRAY_SIZE(formats); i++) {
  60                 GLuint tex;
  61                 glGenTextures(1, &tex);
  62                 glBindTexture(GL_TEXTURE_2D, tex);
  63
  64                 glCompressedTexImage2D(GL_TEXTURE_2D, 0, formats[i].fmt,
  65                                        formats[i].bw, formats[i].bh, 0,
  66                                        formats[i].bb, void_extent_block_upload);
  67                 glGetCompressedTexImage(GL_TEXTURE_2D, 0,
  68                                         void_extent_block_download);
  69                 if (memcmp(void_extent_block_upload,
  70                            void_extent_block_download, 16) != 0) {
  71                         pass = false;
  72                         printf("Failed case %d\n", i);
  73                 }
  74
  75                 glDeleteTextures(1, &tex);
  76         }
  77
  78         piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
  79 }