tests/spec/arb_clear_buffer_object/sub-overlap.c

   1 /*
   2  * Copyright © 2014 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 sub-overlap.c
  26  *
  27  * Clear multiple overlapping ranges of a buffer and check the result.
  28  */
  29
  30 #include "piglit-util-gl.h"
  31 #include "common.h"
  32
  33 PIGLIT_GL_TEST_CONFIG_BEGIN
  34
  35         config.supports_gl_compat_version = 15;
  36         config.supports_gl_core_version = 31;
  37         config.khr_no_error_support = PIGLIT_NO_ERRORS;
  38
  39 PIGLIT_GL_TEST_CONFIG_END
  40
  41
  42 void
  43 piglit_init(int argc, char **argv)
  44 {
  45         bool pass = true;
  46         const int buffer_size = 1<<20;
  47         unsigned int buffer;
  48         static const char *const data_7f   = "\x7f\x7f\x7f\x7f";
  49         static const char *const data_zero = "\x00\x00\x00\x00";
  50         static const char *const data_one  = "\xff\xff\xff\xff";
  51         static const char *const data_init = "\xff\xff\xff\xff"
  52                                              "\xff\xff\xff\xff"
  53                                              "\x00\x00\x00\x00"
  54                                              "\x00\x00\x00\x00"
  55                                              "\x55\x55\x55\x55"
  56                                              "\x55\x55\x55\x55"
  57                                              "\xaa\xaa\xaa\xaa"
  58                                              "\xaa\xaa\xaa\xaa"
  59                                              "\xff\x00\xff\x00"
  60                                              "\xff\x00\xff\x00"
  61                                              "\x00\xff\x00\xff"
  62                                              "\x00\xff\x00\xff"
  63                                              "\x91\xcc\x45\x36"
  64                                              "\xd3\xe4\xe3\x5b"
  65                                              "\x79\x1e\x21\x39"
  66                                              "\xa8\xfa\x69\x6a";
  67
  68
  69         piglit_require_extension("GL_ARB_clear_buffer_object");
  70
  71         glGenBuffers(1, &buffer);
  72         glBindBuffer(GL_ARRAY_BUFFER, buffer);
  73         glBufferData(GL_ARRAY_BUFFER, buffer_size, NULL, GL_STREAM_READ);
  74         fill_array_buffer(64, data_init);
  75
  76         /* Buffer contents:
  77          * xx xx xx xx xx xx xx xx
  78          */
  79         glClearBufferSubData(GL_ARRAY_BUFFER, GL_RGBA8, 1*buffer_size/8,
  80                         buffer_size/4, GL_RGBA, GL_UNSIGNED_BYTE, data_7f);
  81         /* xx 7f 7f xx xx xx xx xx */
  82         glClearBufferSubData(GL_ARRAY_BUFFER, GL_RGBA8, 2*buffer_size/8,
  83                         buffer_size/4, GL_RGBA, GL_UNSIGNED_BYTE, data_zero);
  84         /* xx 7f 00 00 xx xx xx xx */
  85         glClearBufferSubData(GL_ARRAY_BUFFER, GL_RGBA8, 3*buffer_size/8,
  86                         buffer_size/4, GL_RGBA, GL_UNSIGNED_BYTE, data_one);
  87         /* xx 7f 00 FF FF xx xx xx */
  88
  89         pass = check_array_buffer_sub_data(0, buffer_size/8,
  90                         64, data_init) && pass;
  91         pass = check_array_buffer_sub_data(1*buffer_size/8, buffer_size/8,
  92                         4, data_7f) && pass;
  93         pass = check_array_buffer_sub_data(2*buffer_size/8, buffer_size/8,
  94                         4, data_zero) && pass;
  95         pass = check_array_buffer_sub_data(3*buffer_size/8, buffer_size/4,
  96                         4, data_one) && pass;
  97         pass = check_array_buffer_sub_data(5*buffer_size/8, 3*buffer_size/8,
  98                         64, data_init) && pass;
  99
 100         glBindBuffer(GL_ARRAY_BUFFER, 0);
 101         glDeleteBuffers(1, &buffer);
 102
 103         pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
 104
 105         piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
 106 }
 107
 108
 109 enum piglit_result
 110 piglit_display(void)
 111 {
 112         return PIGLIT_PASS;
 113 }
 114