diff options
Diffstat (limited to 'make/config/nativewindow/x11-CustomCCode.c')
| -rwxr-xr-x | make/config/nativewindow/x11-CustomCCode.c | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/make/config/nativewindow/x11-CustomCCode.c b/make/config/nativewindow/x11-CustomCCode.c new file mode 100755 index 000000000..e24e0cd1c --- /dev/null +++ b/make/config/nativewindow/x11-CustomCCode.c @@ -0,0 +1,165 @@ +#include <inttypes.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 + +/* HP-UX doesn't define RTLD_DEFAULT. */ +#if defined(_HPUX) && !defined(RTLD_DEFAULT) +#define RTLD_DEFAULT NULL +#endif + +/* Need to expose DefaultScreen and RootWindow macros to Java */ +JNIEXPORT jlong JNICALL +Java_com_sun_nativewindow_impl_x11_X11Lib_DefaultScreen(JNIEnv *env, jclass _unused, jlong display) { + return DefaultScreen((Display*) (intptr_t) display); +} + +JNIEXPORT jlong JNICALL +Java_com_sun_nativewindow_impl_x11_X11Lib_DefaultVisualID(JNIEnv *env, jclass _unused, jlong display, jint screen) { + return (jlong) XVisualIDFromVisual( DefaultVisual( (Display*) (intptr_t) display, screen ) ); +} + +JNIEXPORT jlong JNICALL +Java_com_sun_nativewindow_impl_x11_X11Lib_RootWindow(JNIEnv *env, jclass _unused, jlong display, jint screen) { + return RootWindow((Display*) (intptr_t) display, screen); +} + +JNIEXPORT jlong JNICALL +Java_com_sun_nativewindow_impl_x11_X11Lib_dlopen(JNIEnv *env, jclass _unused, jstring name) { + const jbyte* chars; + void* res; + chars = (*env)->GetStringUTFChars(env, name, NULL); + res = dlopen(chars, RTLD_LAZY | RTLD_GLOBAL); + (*env)->ReleaseStringUTFChars(env, name, chars); + return (jlong) ((intptr_t) res); +} + +JNIEXPORT jlong JNICALL +Java_com_sun_nativewindow_impl_x11_X11Lib_dlsym(JNIEnv *env, jclass _unused, jstring name) { + const jbyte* chars; + void* res; + chars = (*env)->GetStringUTFChars(env, name, NULL); + res = dlsym(RTLD_DEFAULT, chars); + (*env)->ReleaseStringUTFChars(env, name, chars); + return (jlong) ((intptr_t) res); +} + +/* Need to pull this in as we don't have a stub header for it */ +extern Bool XineramaEnabled(Display* display); + +static const char * clazzNameInternalBufferUtil = "com/sun/nativewindow/impl/InternalBufferUtil"; +static const char * clazzNameInternalBufferUtilStaticCstrName = "copyByteBuffer"; +static const char * clazzNameInternalBufferUtilStaticCstrSignature = "(Ljava/nio/ByteBuffer;)Ljava/nio/ByteBuffer;"; +static const char * clazzNameByteBuffer = "java/nio/ByteBuffer"; +static jclass clazzInternalBufferUtil = NULL; +static jmethodID cstrInternalBufferUtil = NULL; +static jclass clazzByteBuffer = NULL; + +static void _initClazzAccess(JNIEnv *env) { + if(NULL!=cstrInternalBufferUtil) return ; + + jclass c = (*env)->FindClass(env, clazzNameInternalBufferUtil); + if(NULL==c) { + fprintf(stderr, "FatalError: Java_com_sun_nativewindow_impl_x11_X11Lib: can't find %s\n", clazzNameInternalBufferUtil); + (*env)->FatalError(env, clazzNameInternalBufferUtil); + } + clazzInternalBufferUtil = (jclass)(*env)->NewGlobalRef(env, c); + if(NULL==clazzInternalBufferUtil) { + fprintf(stderr, "FatalError: Java_com_sun_nativewindow_impl_x11_X11Lib: can't use %s\n", clazzNameInternalBufferUtil); + (*env)->FatalError(env, clazzNameInternalBufferUtil); + } + c = (*env)->FindClass(env, clazzNameByteBuffer); + if(NULL==c) { + fprintf(stderr, "FatalError: Java_com_sun_nativewindow_impl_x11_X11Lib: can't find %s\n", clazzNameByteBuffer); + (*env)->FatalError(env, clazzNameByteBuffer); + } + clazzByteBuffer = (jclass)(*env)->NewGlobalRef(env, c); + if(NULL==c) { + fprintf(stderr, "FatalError: Java_com_sun_nativewindow_impl_x11_X11Lib: can't use %s\n", clazzNameByteBuffer); + (*env)->FatalError(env, clazzNameByteBuffer); + } + + cstrInternalBufferUtil = (*env)->GetStaticMethodID(env, clazzInternalBufferUtil, + clazzNameInternalBufferUtilStaticCstrName, clazzNameInternalBufferUtilStaticCstrSignature); + if(NULL==cstrInternalBufferUtil) { + fprintf(stderr, "FatalError: Java_com_sun_nativewindow_impl_x11_X11Lib:: can't create %s.%s %s\n", + clazzNameInternalBufferUtil, + clazzNameInternalBufferUtilStaticCstrName, clazzNameInternalBufferUtilStaticCstrSignature); + (*env)->FatalError(env, clazzNameInternalBufferUtilStaticCstrName); + } +} + +/* Java->C glue code: + * Java package: com.sun.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_sun_nativewindow_impl_x11_X11Lib_XGetVisualInfoCopied1__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; + 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); + } + _res = XGetVisualInfo((Display *) (intptr_t) arg0, (long) arg1, (XVisualInfo *) _ptr2, (int *) _ptr3); + count = _ptr3[0]; + if (arg3 != NULL) { + (*env)->ReleasePrimitiveArrayCritical(env, arg3, _ptr3, 0); + } + if (_res == NULL) return NULL; + + _initClazzAccess(env); + + jobject jbyteSource = (*env)->NewDirectByteBuffer(env, _res, count * sizeof(XVisualInfo)); + jobject jbyteCopy = (*env)->CallStaticObjectMethod(env, + clazzInternalBufferUtil, cstrInternalBufferUtil, jbyteSource); + + // FIXME: remove reference/gc jbyteSource ?? + XFree(_res); + + return jbyteCopy; +} + |