diff options
Diffstat (limited to 'make/config/jogl/glx-CustomCCode.c')
| -rw-r--r-- | make/config/jogl/glx-CustomCCode.c | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/make/config/jogl/glx-CustomCCode.c b/make/config/jogl/glx-CustomCCode.c new file mode 100644 index 000000000..e372e5120 --- /dev/null +++ b/make/config/jogl/glx-CustomCCode.c @@ -0,0 +1,167 @@ +#include <inttypes.h> +#include <X11/Xlib.h> +#include <X11/Xutil.h> +#include <GL/glx.h> +/* Linux headers don't work properly */ +#define __USE_GNU +#include <dlfcn.h> +#undef __USE_GNU + +/* HP-UX doesn't define RTLD_DEFAULT. */ +#if defined(_HPUX) && !defined(RTLD_DEFAULT) +#define RTLD_DEFAULT NULL +#endif + +/* We expect glXGetProcAddressARB to be defined */ +extern void (*glXGetProcAddressARB(const GLubyte *procname))(); + +static const char * clazzNameBuffers = "com/jogamp/common/nio/Buffers"; +static const char * clazzNameBuffersStaticCstrName = "copyByteBuffer"; +static const char * clazzNameBuffersStaticCstrSignature = "(Ljava/nio/ByteBuffer;)Ljava/nio/ByteBuffer;"; +static const char * clazzNameByteBuffer = "java/nio/ByteBuffer"; +static jclass clazzBuffers = NULL; +static jmethodID cstrBuffers = NULL; +static jclass clazzByteBuffer = NULL; + +static void _initClazzAccess(JNIEnv *env) { + jclass c; + + if(NULL!=cstrBuffers) return ; + + c = (*env)->FindClass(env, clazzNameBuffers); + if(NULL==c) { + fprintf(stderr, "FatalError: Java_jogamp_opengl_x11_glx_GLX: can't find %s\n", clazzNameBuffers); + (*env)->FatalError(env, clazzNameBuffers); + } + clazzBuffers = (jclass)(*env)->NewGlobalRef(env, c); + if(NULL==clazzBuffers) { + fprintf(stderr, "FatalError: Java_jogamp_opengl_x11_glx_GLX: can't use %s\n", clazzNameBuffers); + (*env)->FatalError(env, clazzNameBuffers); + } + c = (*env)->FindClass(env, clazzNameByteBuffer); + if(NULL==c) { + fprintf(stderr, "FatalError: Java_jogamp_opengl_x11_glx_GLX: can't find %s\n", clazzNameByteBuffer); + (*env)->FatalError(env, clazzNameByteBuffer); + } + clazzByteBuffer = (jclass)(*env)->NewGlobalRef(env, c); + if(NULL==c) { + fprintf(stderr, "FatalError: Java_jogamp_opengl_x11_glx_GLX: can't use %s\n", clazzNameByteBuffer); + (*env)->FatalError(env, clazzNameByteBuffer); + } + + cstrBuffers = (*env)->GetStaticMethodID(env, clazzBuffers, + clazzNameBuffersStaticCstrName, clazzNameBuffersStaticCstrSignature); + if(NULL==cstrBuffers) { + fprintf(stderr, "FatalError: Java_jogamp_opengl_x11_glx_GLX:: can't create %s.%s %s\n", + clazzNameBuffers, + clazzNameBuffersStaticCstrName, clazzNameBuffersStaticCstrSignature); + (*env)->FatalError(env, clazzNameBuffersStaticCstrName); + } +} + +/* Java->C glue code: + * Java package: jogamp.opengl.x11.glx.GLX + * Java method: XVisualInfo glXGetVisualFromFBConfig(long dpy, long config) + * C function: XVisualInfo * glXGetVisualFromFBConfig(Display * dpy, GLXFBConfig config); + */ +JNIEXPORT jobject JNICALL +Java_jogamp_opengl_x11_glx_GLX_dispatch_1glXGetVisualFromFBConfig(JNIEnv *env, jclass _unused, jlong dpy, jlong config, jlong procAddress) { + typedef XVisualInfo* (APIENTRY*_local_PFNGLXGETVISUALFROMFBCONFIG)(Display * dpy, GLXFBConfig config); + _local_PFNGLXGETVISUALFROMFBCONFIG ptr_glXGetVisualFromFBConfig; + XVisualInfo * _res; + jobject jbyteSource; + jobject jbyteCopy; + ptr_glXGetVisualFromFBConfig = (_local_PFNGLXGETVISUALFROMFBCONFIG) (intptr_t) procAddress; + assert(ptr_glXGetVisualFromFBConfig != NULL); + _res = (* ptr_glXGetVisualFromFBConfig) ((Display *) (intptr_t) dpy, (GLXFBConfig) (intptr_t) config); + if (_res == NULL) return NULL; + + _initClazzAccess(env); + + jbyteSource = (*env)->NewDirectByteBuffer(env, _res, sizeof(XVisualInfo)); + jbyteCopy = (*env)->CallStaticObjectMethod(env, clazzBuffers, cstrBuffers, jbyteSource); + + (*env)->DeleteLocalRef(env, jbyteSource); + XFree(_res); + + return jbyteCopy; +} + +/* Java->C glue code: + * Java package: jogamp.opengl.x11.glx.GLX + * Java method: java.nio.LongBuffer glXChooseFBConfig(long dpy, int screen, java.nio.IntBuffer attribList, java.nio.IntBuffer nitems) + * C function: GLXFBConfig * glXChooseFBConfig(Display * dpy, int screen, const int * attribList, int * nitems); + */ +JNIEXPORT jobject JNICALL +Java_jogamp_opengl_x11_glx_GLX_dispatch_1glXChooseFBConfig(JNIEnv *env, jclass _unused, jlong dpy, jint screen, jobject attribList, jint attribList_byte_offset, jobject nitems, jint nitems_byte_offset, jlong procAddress) { + typedef GLXFBConfig* (APIENTRY*_local_PFNGLXCHOOSEFBCONFIG)(Display * dpy, int screen, const int * attribList, int * nitems); + _local_PFNGLXCHOOSEFBCONFIG ptr_glXChooseFBConfig; + int * _ptr2 = NULL; + int * _ptr3 = NULL; + GLXFBConfig * _res; + int count; + jobject jbyteSource; + jobject jbyteCopy; + ptr_glXChooseFBConfig = (_local_PFNGLXCHOOSEFBCONFIG) (intptr_t) procAddress; + assert(ptr_glXChooseFBConfig != NULL); + if (attribList != NULL) { + _ptr2 = (int *) (((char*) (*env)->GetPrimitiveArrayCritical(env, attribList, NULL)) + attribList_byte_offset); + } + if (nitems != NULL) { + _ptr3 = (int *) (((char*) (*env)->GetPrimitiveArrayCritical(env, nitems, NULL)) + nitems_byte_offset); + } + _res = (*ptr_glXChooseFBConfig)((Display *) (intptr_t) dpy, (int) screen, (int *) _ptr2, (int *) _ptr3); + count = _ptr3[0]; + if (attribList != NULL) { + (*env)->ReleasePrimitiveArrayCritical(env, attribList, _ptr2, 0); + } + if (nitems != NULL) { + (*env)->ReleasePrimitiveArrayCritical(env, nitems, _ptr3, 0); + } + if (_res == NULL) return NULL; + + _initClazzAccess(env); + + jbyteSource = (*env)->NewDirectByteBuffer(env, _res, count * sizeof(GLXFBConfig)); + jbyteCopy = (*env)->CallStaticObjectMethod(env, clazzBuffers, cstrBuffers, jbyteSource); + (*env)->DeleteLocalRef(env, jbyteSource); + XFree(_res); + + return jbyteCopy; +} + +/* Java->C glue code: + * Java package: jogamp.opengl.x11.glx.GLX + * Java method: XVisualInfo glXChooseVisual(long dpy, int screen, java.nio.IntBuffer attribList) + * C function: XVisualInfo * glXChooseVisual(Display * dpy, int screen, int * attribList); + */ +JNIEXPORT jobject JNICALL +Java_jogamp_opengl_x11_glx_GLX_dispatch_1glXChooseVisual(JNIEnv *env, jclass _unused, jlong dpy, jint screen, jobject attribList, jint attribList_byte_offset, jlong procAddress) { + typedef XVisualInfo* (APIENTRY*_local_PFNGLXCHOOSEVISUAL)(Display * dpy, int screen, int * attribList); + _local_PFNGLXCHOOSEVISUAL ptr_glXChooseVisual; + int * _ptr2 = NULL; + XVisualInfo * _res; + jobject jbyteSource; + jobject jbyteCopy; + ptr_glXChooseVisual = (_local_PFNGLXCHOOSEVISUAL) (intptr_t) procAddress; + assert(ptr_glXChooseVisual != NULL); + if (attribList != NULL) { + _ptr2 = (int *) (((char*) (*env)->GetPrimitiveArrayCritical(env, attribList, NULL)) + attribList_byte_offset); + } + _res = (*ptr_glXChooseVisual)((Display *) (intptr_t) dpy, (int) screen, (int *) _ptr2); + if (attribList != NULL) { + (*env)->ReleasePrimitiveArrayCritical(env, attribList, _ptr2, 0); + } + if (_res == NULL) return NULL; + + _initClazzAccess(env); + + jbyteSource = (*env)->NewDirectByteBuffer(env, _res, sizeof(XVisualInfo)); + jbyteCopy = (*env)->CallStaticObjectMethod(env, clazzBuffers, cstrBuffers, jbyteSource); + + (*env)->DeleteLocalRef(env, jbyteSource); + XFree(_res); + + return jbyteCopy; +} + |