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/*
* Copyright Christopher James Halse Rogers <christopher.halse.rogers at canonical.com>
* Copyright 2010 Red Hat, Inc.
*
* 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:
* Christopher James Halse Rogers <christopher.halse.rogers at canonical.com>
* Adam Jackson <ajax@redhat.com>
*
* Derived from glx-make-current.c
*/
/** @file glx-copy-sub-buffer.c
*
* Test that GLX_MESA_copy_sub_buffer works as advertised
*/
#include "piglit-util-gl-common.h"
#include "piglit-glx-util.h"
int piglit_width = 100, piglit_height = 100;
static Display *dpy;
static Window win_one;
static XVisualInfo *visinfo;
static PFNGLXCOPYSUBBUFFERMESAPROC CopySubBuffer;
enum piglit_result
draw(Display *dpy)
{
GLXContext ctx;
GLboolean pass = GL_TRUE;
static float red[] = {1.0, 0.0, 0.0, 0.0};
static float green[] = {0.0, 1.0, 0.0, 0.0};
ctx = piglit_get_glx_context(dpy, visinfo);
glXMakeCurrent(dpy, win_one, ctx);
glewInit();
glClearColor(1.0, 0.0, 0.0, 0.0);
glClear(GL_COLOR_BUFFER_BIT);
glXSwapBuffers(dpy, win_one);
glClearColor(0.0, 1.0, 0.0, 0.0);
glClear(GL_COLOR_BUFFER_BIT);
CopySubBuffer(dpy, win_one,
piglit_width / 4,
piglit_height / 4,
piglit_width / 2,
piglit_height / 2);
glReadBuffer(GL_FRONT);
pass &= piglit_probe_rect_rgb(0, 0, piglit_width / 4, piglit_height / 4,
red);
pass &= piglit_probe_rect_rgb(piglit_width / 4, piglit_width / 4,
piglit_width / 2, piglit_height / 2,
green);
glXMakeCurrent(dpy, None, NULL);
glXDestroyContext(dpy, ctx);
return pass ? PIGLIT_PASS : PIGLIT_FAIL;
}
int
main(int argc, char **argv)
{
int i;
for(i = 1; i < argc; ++i) {
if (!strcmp(argv[i], "-auto"))
piglit_automatic = 1;
else
fprintf(stderr, "Unknown option: %s\n", argv[i]);
}
dpy = XOpenDisplay(NULL);
if (dpy == NULL) {
fprintf(stderr, "couldn't open display\n");
piglit_report_result(PIGLIT_FAIL);
}
piglit_require_glx_extension(dpy, "MESA_copy_sub_buffer");
CopySubBuffer = (PFNGLXCOPYSUBBUFFERMESAPROC)
glXGetProcAddressARB((GLubyte *)"glXCopySubBufferMESA");
visinfo = piglit_get_glx_visual(dpy);
win_one = piglit_get_glx_window(dpy, visinfo);
XMapWindow(dpy, win_one);
piglit_glx_event_loop(dpy, draw);
return 0;
}
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