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/*
* Copyright © 2011 Intel Corporation
*
* 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.
*
* Authors:
* Ben Widawsky <ben@bwidawsk.net>
*
*/
#include "piglit-util-gl-common.h"
#define COPY_BUFFER_SIZE (4<<20)
uint8_t src_data[COPY_BUFFER_SIZE];
uint8_t dest_data[COPY_BUFFER_SIZE];
PIGLIT_GL_TEST_CONFIG_BEGIN
config.window_width = 400;
config.window_height = 300;
config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE;
PIGLIT_GL_TEST_CONFIG_END
enum piglit_result
piglit_display(void)
{
return PIGLIT_PASS;
}
static enum piglit_result
do_copy()
{
GLuint buffer_handles[2];
glGenBuffersARB(2, buffer_handles);
glBindBufferARB(GL_COPY_READ_BUFFER, buffer_handles[0]);
glBindBufferARB(GL_COPY_WRITE_BUFFER, buffer_handles[1]);
glBufferData(GL_COPY_READ_BUFFER, COPY_BUFFER_SIZE, src_data,
GL_STREAM_COPY);
glBufferData(GL_COPY_WRITE_BUFFER, COPY_BUFFER_SIZE, NULL,
GL_STREAM_READ);
glCopyBufferSubData(GL_COPY_READ_BUFFER, GL_COPY_WRITE_BUFFER, 0, 0,
COPY_BUFFER_SIZE);
glGetBufferSubDataARB(GL_COPY_WRITE_BUFFER, 0, COPY_BUFFER_SIZE,
dest_data);
if (memcmp(src_data, dest_data, COPY_BUFFER_SIZE) != 0)
return PIGLIT_FAIL;
return PIGLIT_PASS;
}
void
piglit_init(int argc, char *argv[])
{
piglit_require_gl_version(15);
piglit_require_extension("GL_ARB_vertex_buffer_object");
piglit_require_extension("GL_ARB_copy_buffer");
memset(src_data, 0xff, COPY_BUFFER_SIZE);
piglit_report_result(do_copy());
}
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