tests/spec/arb_clear_buffer_object/invalid-size.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 invalid-size.c
  26  *
  27  * From the GL_ARB_clear_buffer_object spec:
  28  * "Both <offset> and <range> must be multiples of the number of basic machine
  29  *  units per-element for that internal format specified by <internalformat>,
  30  *  otherwise the error INVALID_VALUE is generated."
  31  * and
  32  * "[ClearBufferData] is equivalent to calling ClearBufferSubData with <target>,
  33  *  <internalformat> and <data> as specified, with <offset> set to zero, and
  34  *  <size> set to the value of BUFFER_SIZE for the buffer bound to <target>."
  35  *
  36  * Test that the required GL_INVALID_VALUE error is generated if the buffer size
  37  * is not a multiple of the internal format size.
  38  */
  39
  40 #include "piglit-util-gl.h"
  41
  42 PIGLIT_GL_TEST_CONFIG_BEGIN
  43
  44         config.supports_gl_compat_version = 15;
  45         config.supports_gl_core_version = 31;
  46         config.khr_no_error_support = PIGLIT_HAS_ERRORS;
  47
  48 PIGLIT_GL_TEST_CONFIG_END
  49
  50
  51 void
  52 piglit_init(int argc, char **argv)
  53 {
  54         bool pass = true;
  55         const int buffer_size = (1<<20) - 4;
  56         unsigned int buffer;
  57         static const char *const data_zero = "\x00\x00\x00\x00\x00\x00\x00\x00";
  58
  59         piglit_require_extension("GL_ARB_clear_buffer_object");
  60
  61         glGenBuffers(1, &buffer);
  62         glBindBuffer(GL_ARRAY_BUFFER, buffer);
  63         glBufferData(GL_ARRAY_BUFFER, buffer_size, NULL, GL_STREAM_READ);
  64
  65         pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
  66         glClearBufferData(GL_ARRAY_BUFFER, GL_RGBA16, GL_RGBA,
  67                         GL_UNSIGNED_SHORT, data_zero);
  68         pass = piglit_check_gl_error(GL_INVALID_VALUE) && pass;
  69
  70         glBindBuffer(GL_ARRAY_BUFFER, 0);
  71         glDeleteBuffers(1, &buffer);
  72
  73         pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
  74
  75         piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
  76 }
  77
  78
  79 enum piglit_result
  80 piglit_display(void)
  81 {
  82         return PIGLIT_PASS;
  83 }
  84