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/*
* Copyright © Marek Olšák <maraeo@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include "piglit-util-gl-common.h"
PIGLIT_GL_TEST_CONFIG_BEGIN
config.supports_gl_compat_version = 10;
config.window_width = 100;
config.window_height = 100;
config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE;
PIGLIT_GL_TEST_CONFIG_END
enum piglit_result
piglit_display(void)
{
return PIGLIT_FAIL;
}
void
piglit_init(int argc, char *argv[])
{
GLuint b1, b2;
uintptr_t ptr;
GLint alignment = 0;
piglit_require_gl_version(15);
piglit_require_extension("GL_ARB_map_buffer_range");
piglit_require_extension("GL_ARB_map_buffer_alignment");
glGetIntegerv(GL_MIN_MAP_BUFFER_ALIGNMENT, &alignment);
/* Sanity check. */
if (alignment < 64) {
printf("GL_MIN_MAP_BUFFER_ALIGNMENT must be at least 64.\n");
piglit_report_result(PIGLIT_FAIL);
}
glGenBuffers(1, &b1);
glBindBuffer(GL_ARRAY_BUFFER, b1);
glBufferData(GL_ARRAY_BUFFER, alignment + 24, NULL, GL_STATIC_DRAW);
glGenBuffers(1, &b2);
glBindBuffer(GL_ARRAY_BUFFER, b2);
glBufferData(GL_ARRAY_BUFFER, 1, NULL, GL_STATIC_DRAW);
/* glMapBufferRange, offset > 0 */
glBindBuffer(GL_ARRAY_BUFFER, b1);
ptr = (intptr_t)glMapBufferRange(GL_ARRAY_BUFFER, 24, alignment,
GL_MAP_READ_BIT | GL_MAP_WRITE_BIT);
if (ptr && (ptr - 24) % alignment != 0) {
printf("glMapBufferRange returned an unaligned pointer.\n");
piglit_report_result(PIGLIT_FAIL);
}
/* glMapBuffer. */
glBindBuffer(GL_ARRAY_BUFFER, b2);
ptr = (intptr_t)glMapBuffer(GL_ARRAY_BUFFER, GL_READ_WRITE);
if (ptr % alignment != 0) {
printf("glMapBuffer returned an unaligned pointer.\n");
piglit_report_result(PIGLIT_FAIL);
}
piglit_report_result(PIGLIT_PASS);
}
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