tests/spec/arb_clear_buffer_object/sub-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 sub-invalid-size.c
  26  *
  27  * From the GL_ARB_clear_buffer_object spec:
  28  * "If <offset> or <size> is less than zero, or if <offset> + <size> is greater
  29  *  than the value of BUFFER_SIZE for the buffer bound to <target> then the
  30  *  error INVALID_VALUE is generated."
  31  * and
  32  * "Both <offset> and <range> must be multiples of the number of basic machine
  33  *  units per-element for that internal format specified by <internalformat>,
  34  *  otherwise the error INVALID_VALUE is generated."
  35  */
  36
  37 #include "piglit-util-gl.h"
  38
  39 PIGLIT_GL_TEST_CONFIG_BEGIN
  40
  41         config.supports_gl_compat_version = 15;
  42         config.supports_gl_core_version = 31;
  43         config.khr_no_error_support = PIGLIT_HAS_ERRORS;
  44
  45 PIGLIT_GL_TEST_CONFIG_END
  46
  47
  48 void
  49 piglit_init(int argc, char **argv)
  50 {
  51         bool pass = true;
  52         int i;
  53         const int buffer_size = 1<<20;
  54         unsigned int buffer;
  55         static const char *const data_zero = "\x00\x00\x00\x00\x00\x00\x00\x00";
  56         ptrdiff_t ranges[][2] = {
  57                 {-8, buffer_size},
  58                 {16, -8},
  59                 {buffer_size - 8, 16},
  60
  61                 /* We're using GL_RGBA16 which is 8 bytes wide. */
  62                 {4, 8},
  63                 {8, 12},
  64         };
  65
  66         piglit_require_extension("GL_ARB_clear_buffer_object");
  67
  68         glGenBuffers(1, &buffer);
  69         glBindBuffer(GL_ARRAY_BUFFER, buffer);
  70         glBufferData(GL_ARRAY_BUFFER, buffer_size, NULL, GL_STREAM_READ);
  71
  72         for (i = 0; i < ARRAY_SIZE(ranges); ++i) {
  73                 pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
  74                 glClearBufferSubData(GL_ARRAY_BUFFER, GL_RGBA16, ranges[i][0],
  75                                 ranges[i][1], GL_RGBA, GL_UNSIGNED_SHORT,
  76                                 data_zero);
  77                 pass = piglit_check_gl_error(GL_INVALID_VALUE) && pass;
  78         }
  79
  80         glBindBuffer(GL_ARRAY_BUFFER, 0);
  81         glDeleteBuffers(1, &buffer);
  82
  83         pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
  84
  85         piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
  86 }
  87
  88
  89 enum piglit_result
  90 piglit_display(void)
  91 {
  92         return PIGLIT_PASS;
  93 }
  94