tests/spec/arb_clear_buffer_object/null-data.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 null-data.c
  26  *
  27  * From the GL_ARB_clear_buffer_object spec:
  28  * "If <data> is NULL, then the pointer is ignored and the sub-range of the
  29  *  buffer is filled with zeros."
  30  */
  31
  32 #include "piglit-util-gl.h"
  33 #include "common.h"
  34
  35 PIGLIT_GL_TEST_CONFIG_BEGIN
  36
  37         config.supports_gl_compat_version = 15;
  38         config.supports_gl_core_version = 31;
  39         config.khr_no_error_support = PIGLIT_NO_ERRORS;
  40
  41 PIGLIT_GL_TEST_CONFIG_END
  42
  43
  44 void
  45 piglit_init(int argc, char **argv)
  46 {
  47         bool pass = true;
  48         const int buffer_size = 1<<20;
  49         unsigned int buffer[2];
  50         static const char *const data_zero = "\x00\x00\x00\x00";
  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         piglit_require_extension("GL_ARB_clear_buffer_object");
  69
  70         /* Init buffers */
  71         glGenBuffers(ARRAY_SIZE(buffer), buffer);
  72         for (int i = 0; i < ARRAY_SIZE(buffer); i++) {
  73                 glBindBuffer(GL_ARRAY_BUFFER, buffer[i]);
  74                 glBufferData(GL_ARRAY_BUFFER, buffer_size, NULL, GL_STREAM_READ);
  75                 fill_array_buffer(64, data_init);
  76         }
  77
  78         glBindBuffer(GL_ARRAY_BUFFER, buffer[0]);
  79         glClearBufferData(GL_ARRAY_BUFFER, GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE,
  80                           NULL);
  81         pass = check_array_buffer_data(4, data_zero) && pass;
  82
  83         if (piglit_is_extension_supported("GL_EXT_direct_state_access")) {
  84                 glClearNamedBufferDataEXT(buffer[1], GL_RGBA8, GL_RGBA,
  85                                           GL_UNSIGNED_BYTE, NULL);
  86                 glBindBuffer(GL_ARRAY_BUFFER, buffer[1]);
  87                 pass = check_array_buffer_data(4, data_zero) && pass;
  88         }
  89
  90         glBindBuffer(GL_ARRAY_BUFFER, 0);
  91         glDeleteBuffers(ARRAY_SIZE(buffer), buffer);
  92
  93         pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
  94
  95         piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
  96 }
  97
  98
  99 enum piglit_result
 100 piglit_display(void)
 101 {
 102         return PIGLIT_PASS;
 103 }
 104