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/*
* Copyright © 2012 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.
*/
/** @file dlist.c
*
* Tests the following piece of the GL_ARB_copy_buffer spec:
*
* "Add to the list (page 310) of "Vertex Buffer Objects" commands "not
* compiled into the display list but are executed immediately":
*
* CopyBufferSubData"
*/
#include "piglit-util-gl-common.h"
PIGLIT_GL_TEST_MAIN(
100 /*window_width*/,
100 /*window_height*/,
GLUT_RGB | GLUT_DOUBLE)
enum piglit_result
piglit_display(void)
{
/* uncreached */
return PIGLIT_FAIL;
}
void
piglit_init(int argc, char **argv)
{
GLuint bufs[2], list;
uint8_t data[8];
uint8_t bad_data[8];
int i;
void *ptr;
piglit_require_extension("GL_ARB_copy_buffer");
glGenBuffers(2, bufs);
for (i = 0; i < ARRAY_SIZE(data); i++)
data[i] = i;
memset(bad_data, 0xd0, sizeof(bad_data));
glBindBuffer(GL_COPY_READ_BUFFER, bufs[0]);
glBufferData(GL_COPY_READ_BUFFER, sizeof(data), data,
GL_DYNAMIC_DRAW);
glBindBuffer(GL_COPY_WRITE_BUFFER, bufs[1]);
glBufferData(GL_COPY_WRITE_BUFFER, sizeof(bad_data), bad_data,
GL_DYNAMIC_DRAW);
list = glGenLists(1);
glNewList(list, GL_COMPILE);
glCopyBufferSubData(GL_COPY_READ_BUFFER, GL_COPY_WRITE_BUFFER,
0, 0, sizeof(data));
glEndList();
/* Make sure that it immediately executed. */
ptr = glMapBuffer(GL_COPY_WRITE_BUFFER, GL_READ_ONLY);
if (memcmp(ptr, data, sizeof(data))) {
fprintf(stderr,
"data not copied during display list compile\n");
piglit_report_result(PIGLIT_FAIL);
}
glUnmapBuffer(GL_COPY_WRITE_BUFFER);
/* Now, make sure that it isn't in the list. */
glBufferData(GL_COPY_WRITE_BUFFER, sizeof(bad_data), bad_data,
GL_DYNAMIC_DRAW);
glCallList(list);
ptr = glMapBuffer(GL_COPY_WRITE_BUFFER, GL_READ_ONLY);
if (memcmp(ptr, bad_data, sizeof(bad_data))) {
fprintf(stderr,
"data copied during display list execute\n");
piglit_report_result(PIGLIT_FAIL);
}
glUnmapBuffer(GL_COPY_WRITE_BUFFER);
glDeleteBuffers(2, bufs);
piglit_report_result(PIGLIT_PASS);
}
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