diff options
Diffstat (limited to 'src/nativewindow/native/x11/Xmisc.c')
| -rw-r--r-- | src/nativewindow/native/x11/Xmisc.c | 504 |
1 files changed, 504 insertions, 0 deletions
diff --git a/src/nativewindow/native/x11/Xmisc.c b/src/nativewindow/native/x11/Xmisc.c new file mode 100644 index 000000000..831d94636 --- /dev/null +++ b/src/nativewindow/native/x11/Xmisc.c @@ -0,0 +1,504 @@ +/** + * Copyright 2010 JogAmp Community. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * 2. 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. + * + * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``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 JogAmp Community 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. + * + * The views and conclusions contained in the software and documentation are those of the + * authors and should not be interpreted as representing official policies, either expressed + * or implied, of JogAmp Community. + */ + + +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <stdarg.h> +#include <unistd.h> +#include <errno.h> +#include <X11/Xlib.h> +#include <X11/Xutil.h> +/* Linux headers don't work properly */ +#define __USE_GNU +#include <dlfcn.h> +#undef __USE_GNU + +/* Current versions of Solaris don't expose the XF86 extensions, + although with the recent transition to Xorg this will probably + happen in an upcoming release */ +#if !defined(__sun) && !defined(_HPUX) +#include <X11/extensions/xf86vmode.h> +#else +/* Need to provide stubs for these */ +Bool XF86VidModeGetGammaRampSize( + Display *display, + int screen, + int* size) +{ + return False; +} + +Bool XF86VidModeGetGammaRamp( + Display *display, + int screen, + int size, + unsigned short *red_array, + unsigned short *green_array, + unsigned short *blue_array) { + return False; +} +Bool XF86VidModeSetGammaRamp( + Display *display, + int screen, + int size, + unsigned short *red_array, + unsigned short *green_array, + unsigned short *blue_array) { + return False; +} +#endif /* defined(__sun) || defined(_HPUX) */ + +/* HP-UX doesn't define RTLD_DEFAULT. */ +#if defined(_HPUX) && !defined(RTLD_DEFAULT) +#define RTLD_DEFAULT NULL +#endif + +#include "com_jogamp_nativewindow_impl_x11_X11Lib.h" + +// #define VERBOSE_ON 1 + +#ifdef VERBOSE_ON + // Workaround for ancient compiler on Solaris/SPARC + #define DBG_PRINT(args...) fprintf(stderr, args); + +#else + + // Workaround for ancient compiler on Solaris/SPARC + #define DBG_PRINT(args...) + +#endif + +/* Need to pull this in as we don't have a stub header for it */ +extern Bool XineramaEnabled(Display* display); + +static void _FatalError(JNIEnv *env, const char* msg, ...) +{ + char buffer[512]; + va_list ap; + + va_start(ap, msg); + vsnprintf(buffer, sizeof(buffer), msg, ap); + va_end(ap); + + fprintf(stderr, "%s\n", buffer); + (*env)->FatalError(env, buffer); +} + +static const char * const ClazzNameBuffers = "com/jogamp/common/nio/Buffers"; +static const char * const ClazzNameBuffersStaticCstrName = "copyByteBuffer"; +static const char * const ClazzNameBuffersStaticCstrSignature = "(Ljava/nio/ByteBuffer;)Ljava/nio/ByteBuffer;"; +static const char * const ClazzNameByteBuffer = "java/nio/ByteBuffer"; +static const char * const ClazzNameRuntimeException = "java/lang/RuntimeException"; +static jclass clazzBuffers = NULL; +static jmethodID cstrBuffers = NULL; +static jclass clazzByteBuffer = NULL; +static jclass clazzRuntimeException=NULL; + +static void _initClazzAccess(JNIEnv *env) { + jclass c; + + if(NULL!=clazzRuntimeException) return ; + + c = (*env)->FindClass(env, ClazzNameRuntimeException); + if(NULL==c) { + _FatalError(env, "Nativewindow X11Lib: can't find %s", ClazzNameRuntimeException); + } + clazzRuntimeException = (jclass)(*env)->NewGlobalRef(env, c); + (*env)->DeleteLocalRef(env, c); + if(NULL==clazzRuntimeException) { + _FatalError(env, "FatalError: NEWT X11Window: can't use %s", ClazzNameRuntimeException); + } + + c = (*env)->FindClass(env, ClazzNameBuffers); + if(NULL==c) { + _FatalError(env, "FatalError: Java_com_jogamp_nativewindow_impl_x11_X11Lib: can't find %s", ClazzNameBuffers); + } + clazzBuffers = (jclass)(*env)->NewGlobalRef(env, c); + (*env)->DeleteLocalRef(env, c); + if(NULL==clazzBuffers) { + _FatalError(env, "FatalError: Java_com_jogamp_nativewindow_impl_x11_X11Lib: can't use %s", ClazzNameBuffers); + } + c = (*env)->FindClass(env, ClazzNameByteBuffer); + if(NULL==c) { + _FatalError(env, "FatalError: Java_com_jogamp_nativewindow_impl_x11_X11Lib: can't find %s", ClazzNameByteBuffer); + } + clazzByteBuffer = (jclass)(*env)->NewGlobalRef(env, c); + (*env)->DeleteLocalRef(env, c); + if(NULL==c) { + _FatalError(env, "FatalError: Java_com_jogamp_nativewindow_impl_x11_X11Lib: can't use %s", ClazzNameByteBuffer); + } + + cstrBuffers = (*env)->GetStaticMethodID(env, clazzBuffers, + ClazzNameBuffersStaticCstrName, ClazzNameBuffersStaticCstrSignature); + if(NULL==cstrBuffers) { + _FatalError(env, "FatalError: Java_com_jogamp_nativewindow_impl_x11_X11Lib:: can't create %s.%s %s", + ClazzNameBuffers, ClazzNameBuffersStaticCstrName, ClazzNameBuffersStaticCstrSignature); + } +} + +static void _throwNewRuntimeException(Display * unlockDisplay, JNIEnv *env, const char* msg, ...) +{ + char buffer[512]; + va_list ap; + + if(NULL!=unlockDisplay) { + XUnlockDisplay(unlockDisplay); + } + + va_start(ap, msg); + vsnprintf(buffer, sizeof(buffer), msg, ap); + va_end(ap); + + (*env)->ThrowNew(env, clazzRuntimeException, buffer); +} + +static JNIEnv * x11ErrorHandlerJNIEnv = NULL; +static XErrorHandler origErrorHandler = NULL ; +static int errorHandlerBlocked = 0 ; + +static int x11ErrorHandler(Display *dpy, XErrorEvent *e) +{ + _throwNewRuntimeException(NULL, x11ErrorHandlerJNIEnv, "Info: Nativewindow X11 Error: Display %p, Code 0x%X, errno %s", + dpy, e->error_code, strerror(errno)); + +#if 0 + if(NULL!=origErrorHandler) { + origErrorHandler(dpy, e); + } +#endif + + return 0; +} + +static void x11ErrorHandlerEnable(Display *dpy, int onoff, JNIEnv * env) { + if(errorHandlerBlocked) return; + + if(onoff) { + if(NULL==origErrorHandler) { + x11ErrorHandlerJNIEnv = env; + if(NULL!=dpy) { + XSync(dpy, False); + } + origErrorHandler = XSetErrorHandler(x11ErrorHandler); + } + } else { + if(NULL!=origErrorHandler) { + if(NULL!=dpy) { + XSync(dpy, False); + } + XSetErrorHandler(origErrorHandler); + origErrorHandler = NULL; + } + } +} + +static void x11ErrorHandlerEnableBlocking(int onoff, JNIEnv * env) { + errorHandlerBlocked = 0 ; + x11ErrorHandlerEnable(NULL, onoff, env); + errorHandlerBlocked = onoff ; +} + + +static XIOErrorHandler origIOErrorHandler = NULL; + +static int x11IOErrorHandler(Display *dpy) +{ + fprintf(stderr, "Nativewindow X11 IOError: Display %p (%s): %s\n", dpy, XDisplayName(NULL), strerror(errno)); + // _FatalError(x11ErrorHandlerJNIEnv, "Nativewindow X11 IOError: Display %p (%s): %s", dpy, XDisplayName(NULL), strerror(errno)); + if(NULL!=origIOErrorHandler) { + origIOErrorHandler(dpy); + } + return 0; +} + +static void x11IOErrorHandlerEnable(int onoff, JNIEnv * env) { + if(onoff) { + if(NULL==origIOErrorHandler) { + x11ErrorHandlerJNIEnv = env; + origIOErrorHandler = XSetIOErrorHandler(x11IOErrorHandler); + } + } else { + XSetIOErrorHandler(origIOErrorHandler); + origIOErrorHandler = NULL; + } +} + +static int _initialized=0; + +JNIEXPORT void JNICALL +Java_com_jogamp_nativewindow_impl_x11_X11Util_initialize0(JNIEnv *env, jclass _unused, jboolean firstUIActionOnProcess) { + if(0==_initialized) { + if( JNI_TRUE == firstUIActionOnProcess ) { + if( 0 == XInitThreads() ) { + fprintf(stderr, "Warning: XInitThreads() failed\n"); + } else { + fprintf(stderr, "Info: XInitThreads() called for concurrent Thread support\n"); + } + } else { + fprintf(stderr, "Info: XInitThreads() _not_ called for concurrent Thread support\n"); + } + + _initClazzAccess(env); + x11IOErrorHandlerEnable(1, env); + _initialized=1; + } +} + +JNIEXPORT void JNICALL +Java_com_jogamp_nativewindow_impl_x11_X11Util_setX11ErrorHandler0(JNIEnv *env, jclass _unused, jboolean onoff) { + x11ErrorHandlerEnableBlocking(( JNI_TRUE == onoff ) ? 1 : 0, env); +} + +/* Java->C glue code: + * Java package: com.jogamp.nativewindow.impl.x11.X11Lib + * Java method: XVisualInfo XGetVisualInfo(long arg0, long arg1, XVisualInfo arg2, java.nio.IntBuffer arg3) + * C function: XVisualInfo * XGetVisualInfo(Display * , long, XVisualInfo * , int * ); + */ +JNIEXPORT jobject JNICALL +Java_com_jogamp_nativewindow_impl_x11_X11Lib_XGetVisualInfo1__JJLjava_nio_ByteBuffer_2Ljava_lang_Object_2I(JNIEnv *env, jclass _unused, jlong arg0, jlong arg1, jobject arg2, jobject arg3, jint arg3_byte_offset) { + XVisualInfo * _ptr2 = NULL; + int * _ptr3 = NULL; + XVisualInfo * _res; + int count; + jobject jbyteSource; + jobject jbyteCopy; + if(0==arg0) { + _FatalError(env, "invalid display connection.."); + } + if (arg2 != NULL) { + _ptr2 = (XVisualInfo *) (((char*) (*env)->GetDirectBufferAddress(env, arg2)) + 0); + } + if (arg3 != NULL) { + _ptr3 = (int *) (((char*) (*env)->GetPrimitiveArrayCritical(env, arg3, NULL)) + arg3_byte_offset); + } + x11ErrorHandlerEnable((Display *) (intptr_t) arg0, 1, env); + _res = XGetVisualInfo((Display *) (intptr_t) arg0, (long) arg1, (XVisualInfo *) _ptr2, (int *) _ptr3); + x11ErrorHandlerEnable((Display *) (intptr_t) arg0, 0, env); + count = _ptr3[0]; + if (arg3 != NULL) { + (*env)->ReleasePrimitiveArrayCritical(env, arg3, _ptr3, 0); + } + if (_res == NULL) return NULL; + + jbyteSource = (*env)->NewDirectByteBuffer(env, _res, count * sizeof(XVisualInfo)); + jbyteCopy = (*env)->CallStaticObjectMethod(env, clazzBuffers, cstrBuffers, jbyteSource); + + XFree(_res); + + return jbyteCopy; +} + +JNIEXPORT jlong JNICALL +Java_com_jogamp_nativewindow_impl_x11_X11Lib_DefaultVisualID(JNIEnv *env, jclass _unused, jlong display, jint screen) { + jlong r; + if(0==display) { + _FatalError(env, "invalid display connection.."); + } + x11ErrorHandlerEnable((Display *) (intptr_t) display, 1, env); + r = (jlong) XVisualIDFromVisual( DefaultVisual( (Display*) (intptr_t) display, screen ) ); + x11ErrorHandlerEnable((Display *) (intptr_t) display, 0, env); + return r; +} + +/* Java->C glue code: + * Java package: com.jogamp.nativewindow.impl.x11.X11Lib + * Java method: void XLockDisplay(long display) + * C function: void XLockDisplay(Display * display); + */ +JNIEXPORT void JNICALL +Java_com_jogamp_nativewindow_impl_x11_X11Lib_XLockDisplay__J(JNIEnv *env, jclass _unused, jlong display) { + if(0==display) { + _FatalError(env, "invalid display connection.."); + } + XLockDisplay((Display *) (intptr_t) display); +} + +/* Java->C glue code: + * Java package: com.jogamp.nativewindow.impl.x11.X11Lib + * Java method: void XUnlockDisplay(long display) + * C function: void XUnlockDisplay(Display * display); + */ +JNIEXPORT void JNICALL +Java_com_jogamp_nativewindow_impl_x11_X11Lib_XUnlockDisplay__J(JNIEnv *env, jclass _unused, jlong display) { + if(0==display) { + _FatalError(env, "invalid display connection.."); + } + XUnlockDisplay((Display *) (intptr_t) display); +} + +/* Java->C glue code: + * Java package: com.jogamp.nativewindow.impl.x11.X11Lib + * Java method: int XCloseDisplay(long display) + * C function: int XCloseDisplay(Display * display); + */ +JNIEXPORT jint JNICALL +Java_com_jogamp_nativewindow_impl_x11_X11Lib_XCloseDisplay__J(JNIEnv *env, jclass _unused, jlong display) { + int _res; + if(0==display) { + _FatalError(env, "invalid display connection.."); + } + x11ErrorHandlerEnable((Display *) (intptr_t) display, 1, env); + _res = XCloseDisplay((Display *) (intptr_t) display); + x11ErrorHandlerEnable(NULL, 0, env); + return _res; +} + +/* + * Class: com_jogamp_nativewindow_impl_x11_X11Lib + * Method: CreateDummyWindow + * Signature: (JIJ)J + */ +JNIEXPORT jlong JNICALL Java_com_jogamp_nativewindow_impl_x11_X11Lib_CreateDummyWindow + (JNIEnv *env, jobject obj, jlong display, jint screen_index, jlong visualID) +{ + Display * dpy = (Display *)(intptr_t)display; + int scrn_idx = (int)screen_index; + Window windowParent = 0; + Window window = 0; + + XVisualInfo visualTemplate; + XVisualInfo *pVisualQuery = NULL; + Visual *visual = NULL; + int depth; + + XSetWindowAttributes xswa; + unsigned long attrMask; + int n; + + Screen* scrn; + + if(NULL==dpy) { + _FatalError(env, "invalid display connection.."); + return 0; + } + + if(visualID<0) { + _throwNewRuntimeException(NULL, env, "invalid VisualID .."); + return 0; + } + + x11ErrorHandlerEnable(dpy, 1, env); + + scrn = ScreenOfDisplay(dpy, scrn_idx); + + // try given VisualID on screen + memset(&visualTemplate, 0, sizeof(XVisualInfo)); + visualTemplate.screen = scrn_idx; + visualTemplate.visualid = (VisualID)visualID; + pVisualQuery = XGetVisualInfo(dpy, VisualIDMask|VisualScreenMask, &visualTemplate,&n); + if(pVisualQuery!=NULL) { + visual = pVisualQuery->visual; + depth = pVisualQuery->depth; + visualID = (jlong)pVisualQuery->visualid; + XFree(pVisualQuery); + pVisualQuery=NULL; + } + DBG_PRINT( "X11: [CreateWindow] trying given (dpy %p, screen %d, visualID: %d, parent %p) found: %p\n", dpy, scrn_idx, (int)visualID, windowParent, visual); + + if (visual==NULL) + { + x11ErrorHandlerEnable(dpy, 0, env); + _throwNewRuntimeException(dpy, env, "could not query Visual by given VisualID, bail out!"); + return 0; + } + + if(pVisualQuery!=NULL) { + XFree(pVisualQuery); + pVisualQuery=NULL; + } + + if(0==windowParent) { + windowParent = XRootWindowOfScreen(scrn); + } + + attrMask = ( CWBackingStore | CWBackingPlanes | CWBackingPixel | CWBackPixel | + CWBorderPixel | CWColormap | CWOverrideRedirect ) ; + + memset(&xswa, 0, sizeof(xswa)); + xswa.override_redirect = False; // use the window manager, always + xswa.border_pixel = 0; + xswa.background_pixel = 0; + xswa.backing_store=NotUseful; /* NotUseful, WhenMapped, Always */ + xswa.backing_planes=0; /* planes to be preserved if possible */ + xswa.backing_pixel=0; /* value to use in restoring planes */ + xswa.event_mask = 0 ; /* no events */ + + xswa.colormap = XCreateColormap(dpy, + XRootWindow(dpy, scrn_idx), + visual, + AllocNone); + + window = XCreateWindow(dpy, + windowParent, + 0, 0, + 64, 64, + 0, // border width + depth, + InputOutput, + visual, + attrMask, + &xswa); + + XSync(dpy, False); + + XSelectInput(dpy, window, 0); // no events + XSync(dpy, False); + + x11ErrorHandlerEnable(dpy, 0, env); + + DBG_PRINT( "X11: [CreateWindow] created window %p on display %p\n", window, dpy); + + return (jlong) window; +} + + +/* + * Class: com_jogamp_nativewindow_impl_x11_X11Lib + * Method: DestroyDummyWindow + * Signature: (JJ)V + */ +JNIEXPORT void JNICALL Java_com_jogamp_nativewindow_impl_x11_X11Lib_DestroyDummyWindow + (JNIEnv *env, jobject obj, jlong display, jlong window) +{ + Display * dpy = (Display *)(intptr_t)display; + Window w = (Window) window; + + if(NULL==dpy) { + _throwNewRuntimeException(NULL, env, "invalid display connection.."); + return; + } + + x11ErrorHandlerEnable(dpy, 1, env); + XUnmapWindow(dpy, w); + XSync(dpy, False); + XDestroyWindow(dpy, w); + x11ErrorHandlerEnable(dpy, 0, env); +} + |