lwjgl/src/native/linux/opengl/org_lwjgl_opengl_Pbuffer.c

91 lines
3.6 KiB
C

/*
* Copyright (c) 2002-2008 LWJGL Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of 'LWJGL' nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* $Id$
*
* Linux Pbuffer.
*
* @author elias_naur <elias_naur@users.sourceforge.net>
* @version $Revision$
*/
#include <stdlib.h>
#include "org_lwjgl_opengl_LinuxPbufferPeerInfo.h"
#include "org_lwjgl_opengl_Pbuffer.h"
#include "extgl.h"
#include "context.h"
#include "common_tools.h"
JNIEXPORT jint JNICALL Java_org_lwjgl_opengl_LinuxDisplay_nGetPbufferCapabilities
(JNIEnv *env, jclass clazz, jlong display, jint screen)
{
Display *disp = (Display *)(intptr_t)display;
GLXExtensions extension_flags;
if (!extgl_InitGLX(disp, screen, &extension_flags))
return 0;
// Only support the GLX 1.3 Pbuffers and ignore the GLX_SGIX_pbuffer extension
return extension_flags.GLX13 ? org_lwjgl_opengl_Pbuffer_PBUFFER_SUPPORTED : 0;
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_LinuxPbufferPeerInfo_nInitHandle
(JNIEnv *env, jclass clazz, jlong display, jint screen, jobject peer_info_handle, jint width, jint height, jobject pixel_format) {
Display *disp = (Display *)(intptr_t)display;
GLXExtensions extension_flags;
if (!extgl_InitGLX(disp, screen, &extension_flags) || !extension_flags.GLX13) {
throwException(env, "No Pbuffer support");
return;
}
bool result = initPeerInfo(env, peer_info_handle, disp, screen, pixel_format, false, GLX_PBUFFER_BIT, false, true);
if (!result)
return;
const int buffer_attribs[] = {GLX_PBUFFER_WIDTH, width,
GLX_PBUFFER_HEIGHT, height,
GLX_PRESERVED_CONTENTS, True,
GLX_LARGEST_PBUFFER, False,
None, None};
X11PeerInfo *peer_info = (X11PeerInfo *)(*env)->GetDirectBufferAddress(env, peer_info_handle);
GLXFBConfig *config = getFBConfigFromPeerInfo(env, peer_info);
if (config != NULL) {
GLXPbuffer buffer = lwjgl_glXCreatePbuffer(peer_info->display, *config, buffer_attribs);
XFree(config);
peer_info->drawable = buffer;
}
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_LinuxPbufferPeerInfo_nDestroy
(JNIEnv *env, jclass clazz, jobject peer_info_handle) {
X11PeerInfo *peer_info = (X11PeerInfo *)(*env)->GetDirectBufferAddress(env, peer_info_handle);
lwjgl_glXDestroyPbuffer(peer_info->display, peer_info->drawable);
}