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|
/*----------------------------------------------------------------------
* JNI routines for handle access via JAWT
*/
#include "jawt_misc.h"
typedef jboolean JNICALL JAWT_GetAWT_fn_t(JNIEnv* env, JAWT* awt);
static JAWT_GetAWT_fn_t *JAWT_GetAWT_fn = NULL;
static JAWT _awt ;
static jboolean _awt_init = JNI_FALSE ;
static long mem_used = 0L;
static int gdsi = 0;
static int gds = 0;
static jboolean jawtdebug = JNI_FALSE;
#ifdef _WIN32_
static HMODULE hDLL_JAWT = 0;
#endif
#ifdef _X11_
static void * libHandleJAWT = 0;
#endif
jboolean LIBAPIENTRY
jawt_init (char* jawtLibName)
{
#ifdef _WIN32_
if ( hDLL_JAWT==NULL )
hDLL_JAWT = LoadLibrary(jawtLibName);
if ( hDLL_JAWT==NULL )
{
printf(" jawt_init: LoadLibrary failed: %s\n", jawtLibName);
return JNI_FALSE;
}
JAWT_GetAWT_fn = (JAWT_GetAWT_fn_t*)
GetProcAddress(hDLL_JAWT, "_JAWT_GetAWT@8");
if (JAWT_GetAWT_fn == NULL) {
printf(" jawt_init: GetProcAddress failed: %s in %s\n",
"_JAWT_GetAWT@8", jawtLibName);
return JNI_FALSE;
}
return JNI_TRUE;
#endif
#ifdef _X11_
const char *err=NULL;
if ( libHandleJAWT == NULL )
libHandleJAWT = dlopen(jawtLibName, RTLD_LAZY | RTLD_GLOBAL);
if ( libHandleJAWT == NULL) {
err=dlerror();
printf(" jawt_init: dlopen failed: %s\n", jawtLibName);
if(err!=NULL) printf(" jawt_init: dlerror: %s\n", err);
return JNI_FALSE;
}
JAWT_GetAWT_fn = (JAWT_GetAWT_fn_t*) dlsym(libHandleJAWT, "JAWT_GetAWT");
if (JAWT_GetAWT_fn == NULL) {
printf(" jawt_init: dlsym failed: %s in %s\n",
"JAWT_GetAWT", jawtLibName);
return JNI_FALSE;
}
return JNI_TRUE;
#endif
return JNI_FALSE;
}
void LIBAPIENTRY
jawt_unload ()
{
#ifdef _WIN32_
if ( hDLL_JAWT!=NULL )
{
JAWT_GetAWT_fn = NULL;
FreeLibrary(hDLL_JAWT);
hDLL_JAWT = NULL;
}
#endif
#ifdef _X11_
if ( libHandleJAWT != NULL )
{
JAWT_GetAWT_fn = NULL;
dlclose(libHandleJAWT);
libHandleJAWT = NULL;
}
#endif
}
jboolean LIBAPIENTRY
jawt_create_offscreen (JNIEnv *env, JAWTDataHolder **ppJData, jboolean verbose)
{
if(ppJData==NULL)
{
if(verbose)
{
fprintf(stderr, "GL4Java-JAWT: create offscrn failed -> para's == NULL\n");
fflush(stderr);
}
return JNI_FALSE;
}
*ppJData = calloc(1, sizeof(JAWTDataHolder));
mem_used += sizeof(JAWTDataHolder);
// Get the drawing surface
(*ppJData)->ds = NULL;
(*ppJData)->dsi = NULL;
(*ppJData)->dsi_os = NULL;
(*ppJData)->dsi_win = NULL;
(*ppJData)->dsi_win_created = 1;
(*ppJData)->dsi_display = NULL;
(*ppJData)->dsi_display_created = 1;
(*ppJData)->lock = JAWT_LOCK_ERROR ;
(*ppJData)->offScreen = 1;
(*ppJData)->result = JNI_TRUE;
if(verbose || jawtdebug)
fprintf(stdout, "GL4Java-JAWT INFO (eo create offscr): mem %ld\n", mem_used);
return JNI_TRUE;
}
jboolean LIBAPIENTRY
jawt_create_open (JNIEnv *env, jobject component,
JAWTDataHolder **ppJData, jboolean verbose)
{
if(ppJData==NULL)
{
if(verbose)
{
fprintf(stderr, "GL4Java-JAWT: create failed -> para's == NULL\n");
fflush(stderr);
}
return JNI_FALSE;
}
*ppJData = calloc(1, sizeof(JAWTDataHolder));
mem_used += sizeof(JAWTDataHolder);
if(verbose || jawtdebug)
fprintf(stdout, "GL4Java-JAWT INFO (create open): mem %ld\n", mem_used);
// Get the drawing surface
(*ppJData)->ds = NULL;
(*ppJData)->dsi = NULL;
(*ppJData)->dsi_os = NULL;
(*ppJData)->dsi_win = NULL;
(*ppJData)->dsi_win_created = 0;
(*ppJData)->dsi_display = NULL;
(*ppJData)->dsi_display_created = 0;
(*ppJData)->lock = 0;
(*ppJData)->offScreen = 0;
(*ppJData)->result = JNI_TRUE;
return jawt_open(env, component, *ppJData, verbose);
}
jboolean LIBAPIENTRY
jawt_free_close_unlock (JNIEnv *env, JAWTDataHolder **ppJData, jboolean verbose)
{
jboolean res = JNI_TRUE;
if(ppJData==NULL || *ppJData==NULL)
{
if(verbose)
{
fprintf(stderr, "GL4Java-JAWT: free failed -> para's == NULL\n");
fflush(stderr);
}
return JNI_FALSE;
}
if( ! (*ppJData)->offScreen )
res = jawt_close_unlock(env, *ppJData, verbose);
free(*ppJData);
mem_used -= sizeof(JAWTDataHolder);
*ppJData=NULL;
if(verbose || jawtdebug)
fprintf(stdout, "GL4Java-JAWT INFO (eo free close unlock): mem %ld\n", mem_used);
return res;
}
jboolean LIBAPIENTRY
jawt_open (JNIEnv *env, jobject component, JAWTDataHolder *pJData, jboolean verbose)
{
if(pJData==NULL)
{
if(verbose)
{
fprintf(stderr, "GL4Java-JAWT: open failed -> para's == NULL\n");
fflush(stderr);
}
return JNI_FALSE;
}
if( pJData->offScreen )
return JNI_TRUE;
// Get the AWT
if(_awt_init==JNI_FALSE)
{
_awt.version = JAWT_VERSION_1_3;
if (JAWT_GetAWT_fn == NULL) {
return JNI_FALSE;
}
pJData->result = (*JAWT_GetAWT_fn)(env, &_awt);
if(pJData->result==JNI_TRUE)
{
if(verbose)
{
fprintf(stderr, "GL4Java-JAWT: _awt initialized\n");
fflush(stderr);
}
_awt_init=JNI_TRUE;
} else {
if(verbose)
{
fprintf(stderr, "GL4Java-JAWT: _awt init failed\n");
fflush(stderr);
}
return pJData->result;
}
}
// Get the drawing surface
pJData->ds = _awt.GetDrawingSurface(env, component);
gds++;
pJData->result = pJData->ds != NULL;
if(verbose && pJData->result==JNI_FALSE)
{
fprintf(stderr, "GL4Java-JAWT: open failed -> GetDrawingSurface()==NULL\n");
fflush(stderr);
}
if(verbose || jawtdebug)
fprintf(stdout, "GL4Java-JAWT INFO (eo open): gds=%d\n", gds);
return pJData->result;
}
jboolean LIBAPIENTRY
jawt_close_unlock (JNIEnv *env, JAWTDataHolder *pJData, jboolean verbose)
{
if(pJData!=NULL && pJData->offScreen )
return JNI_TRUE;
if(pJData==NULL || _awt_init==JNI_FALSE)
return JNI_FALSE;
pJData->result=jawt_unlock(env, pJData, verbose);
// Free the drawing surface
if(pJData->ds!=0)
{
_awt.FreeDrawingSurface(pJData->ds);
gds--;
}
pJData->ds=0;
if(verbose || jawtdebug)
fprintf(stdout, "GL4Java-JAWT INFO (eo close unlock): gds=%d\n", gds);
return pJData->result;
}
jboolean LIBAPIENTRY
jawt_lock (JNIEnv *env, JAWTDataHolder *pJData, jboolean ignoreSurfaceChanged,
jboolean verbose)
{
jthrowable exc;
if(pJData!=NULL && pJData->offScreen )
return JNI_TRUE;
if(pJData==NULL || _awt_init==JNI_FALSE || pJData->ds==NULL)
{
if(verbose)
{
fprintf(stderr, "GL4Java-JAWT: lock failed -> para's == NULL\n\t(pData==%p, _awt_init=%d, pData->ds=%p)\n",
pJData, _awt_init, (pJData!=NULL)?pJData->ds:NULL);
fflush(stderr);
}
return JNI_FALSE;
}
// Lock the drawing surface
pJData->lock = pJData->ds->Lock(pJData->ds);
exc = (*env)->ExceptionOccurred(env);
if(exc) {
if(verbose)
{
fprintf(stderr, "GL4Java-JAWT: lock failed -> lock exception\n");
fflush(stderr);
}
pJData->result = JNI_FALSE;
if(verbose)
(*env)->ExceptionDescribe(env);
(*env)->ExceptionClear(env);
return pJData->result;
}
pJData->result = (pJData->lock & JAWT_LOCK_ERROR) == 0;
if(pJData->result ==JNI_FALSE)
{
if(verbose)
{
fprintf(stderr, "GL4Java-JAWT: lock failed -> JAWT_LOCK_ERROR\n");
fflush(stderr);
}
return pJData->result;
}
if( (pJData->lock & JAWT_LOCK_SURFACE_CHANGED) != 0 )
{
if(verbose)
{
if(ignoreSurfaceChanged==JNI_TRUE)
fprintf(stderr, "GL4Java-JAWT: lock JAWT_LOCK_SURFACE_CHANGED ignored\n");
else
fprintf(stderr, "GL4Java-JAWT: lock failed -> JAWT_LOCK_SURFACE_CHANGED\n");
fflush(stderr);
}
if(ignoreSurfaceChanged==JNI_FALSE)
{
pJData->result = JNI_FALSE;
return pJData->result;
}
}
// Get the drawing surface info
pJData->dsi = pJData->ds->GetDrawingSurfaceInfo(pJData->ds);
gdsi++;
exc = (*env)->ExceptionOccurred(env);
if(verbose || jawtdebug)
fprintf(stdout, "GL4Java-JAWT INFO (eo lock): gdsi=%d\n", gdsi);
if(exc) {
if(verbose)
{
fprintf(stderr, "GL4Java-JAWT: lock failed -> get-dsi exception\n");
fflush(stderr);
}
pJData->result = JNI_FALSE;
if(verbose)
(*env)->ExceptionDescribe(env);
(*env)->ExceptionClear(env);
pJData->dsi=0;
}
if(pJData->dsi!=NULL)
// Get the platform-specific drawing info
pJData->dsi_os = (void *) pJData->dsi->platformInfo;
else
pJData->dsi_os = 0;
if(pJData->dsi_os == NULL)
{
if(verbose)
{
fprintf(stderr, "GL4Java-JAWT: lock failed -> dsi->platformInfo==NULL\n");
fflush(stderr);
}
pJData->result = JNI_FALSE;
return pJData->result;
}
if(pJData->dsi_win_created==0)
{
pJData->dsi_win = (void *) (PointerHolder)
#ifdef _X11_
( ((JAWT_X11DrawingSurfaceInfo *)(pJData->dsi_os))->drawable );
#endif
#ifdef _MAC_OS9_
NULL;
#endif
#ifdef _WIN32_
( ((JAWT_Win32DrawingSurfaceInfo*)(pJData->dsi_os))->hdc );
#endif
}
if(pJData->dsi_display_created==0)
{
pJData->dsi_display = (void *) (PointerHolder)
#ifdef _X11_
( ((JAWT_X11DrawingSurfaceInfo *)(pJData->dsi_os))->display );
#endif
#ifdef _MAC_OS9_
NULL;
#endif
#ifdef _WIN32_
NULL;
#endif
}
return pJData->result;
}
jboolean LIBAPIENTRY
jawt_unlock (JNIEnv *env, JAWTDataHolder *pJData, jboolean verbose)
{
jthrowable exc;
if(pJData!=NULL && pJData->offScreen )
return JNI_TRUE;
if(pJData==NULL || _awt_init==JNI_FALSE || pJData->ds==NULL)
{
if(verbose)
{
fprintf(stderr, "GL4Java-JAWT: unlock failed -> para's == NULL\n\t(pData==%p, _awt_init=%d, pData->ds=%p)\n",
pJData, _awt_init, (pJData!=NULL)?pJData->ds:NULL);
fflush(stderr);
}
pJData->result=JNI_FALSE;
return JNI_FALSE;
}
pJData->result=JNI_TRUE;
if(pJData->dsi!=NULL)
{
// Free the drawing surface info
pJData->ds->FreeDrawingSurfaceInfo(pJData->dsi);
gdsi--;
exc = (*env)->ExceptionOccurred(env);
if(verbose || jawtdebug)
fprintf(stdout, "GL4Java-JAWT INFO (eo unlock): gdsi=%d\n", gdsi);
if(exc) {
if(verbose)
{
fprintf(stderr, "GL4Java-JAWT: unlock failed -> free-dsi exception\n");
fflush(stderr);
}
pJData->result = JNI_FALSE;
if(verbose)
(*env)->ExceptionDescribe(env);
(*env)->ExceptionClear(env);
return pJData->result;
}
}
pJData->dsi=0;
// Unlock the drawing surface
if ( (pJData->lock & JAWT_LOCK_ERROR) == 0 )
{
pJData->ds->Unlock(pJData->ds);
exc = (*env)->ExceptionOccurred(env);
if(exc)
{
if(verbose)
{
fprintf(stderr, "GL4Java-JAWT: unlock failed -> unlock exception\n");
fflush(stderr);
}
pJData->result = JNI_FALSE;
if(verbose)
(*env)->ExceptionDescribe(env);
(*env)->ExceptionClear(env);
return pJData->result;
}
pJData->lock = 0;
}
return JNI_TRUE;
}
|
