lwjgl/src/native/common/org_lwjgl_opengl_AWTSurface...

112 lines
3.7 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.
*/
/**
* $Id$
*
* @author elias_naur <elias_naur@users.sourceforge.net>
* @author kappaOne <one.kappa@gmail.com>
* @version $Revision$
*/
#include <jni.h>
#ifdef __MACH__
#include <JavaVM/jawt_md.h>
#else
#include <jawt_md.h>
#endif
#include "org_lwjgl_opengl_AWTSurfaceLock.h"
#include "awt_tools.h"
#include "common_tools.h"
JNIEXPORT jobject JNICALL Java_org_lwjgl_opengl_AWTSurfaceLock_createHandle
(JNIEnv *env, jclass clazz) {
return newJavaManagedByteBuffer(env, sizeof(AWTSurfaceLock));
}
JNIEXPORT jboolean JNICALL Java_org_lwjgl_opengl_AWTSurfaceLock_lockAndInitHandle
(JNIEnv *env, jclass clazz, jobject lock_buffer_handle, jobject canvas) {
JAWT awt;
JAWT_DrawingSurface* ds;
JAWT_DrawingSurfaceInfo *dsi;
AWTSurfaceLock *awt_lock = (AWTSurfaceLock *)(*env)->GetDirectBufferAddress(env, lock_buffer_handle);
jboolean result = JNI_FALSE;
#ifdef __MACH__
// try get JAWT with JAWT_MACOSX_USE_CALAYER Opt In
awt.version = JAWT_VERSION_1_4 | 0x80000000;//JAWT_MACOSX_USE_CALAYER;
result = JAWT_GetAWT(env, &awt);
#endif
if (result == JNI_FALSE) {
// now try without CALAYER
awt.version = JAWT_VERSION_1_4;
if (JAWT_GetAWT(env, &awt) == JNI_FALSE) {
throwException(env, "Could not get the JAWT interface");
return JNI_FALSE;
}
}
ds = awt.GetDrawingSurface(env, canvas);
if (ds == NULL) {
throwException(env, "Could not get the drawing surface");
return JNI_FALSE;
}
if((ds->Lock(ds) & JAWT_LOCK_ERROR) != 0) {
awt.FreeDrawingSurface(ds);
throwException(env, "Could not lock the drawing surface");
return JNI_FALSE;
}
dsi = ds->GetDrawingSurfaceInfo(ds);
if (dsi != NULL) {
awt_lock->awt = awt;
awt_lock->ds = ds;
awt_lock->dsi = dsi;
return JNI_TRUE;
}
ds->Unlock(ds);
awt.FreeDrawingSurface(ds);
return JNI_FALSE;
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_AWTSurfaceLock_nUnlock
(JNIEnv *env, jclass clazz, jobject lock_buffer_handle) {
AWTSurfaceLock *awt_lock = (AWTSurfaceLock *)(*env)->GetDirectBufferAddress(env, lock_buffer_handle);
awt_lock->ds->FreeDrawingSurfaceInfo(awt_lock->dsi);
awt_lock->ds->Unlock(awt_lock->ds);
awt_lock->awt.FreeDrawingSurface(awt_lock->ds);
}