Java example source code file (awt_GraphicsEnv.c)
The awt_GraphicsEnv.c Java example source code/*
* Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
#include "awt_p.h"
#include "awt.h"
#include "color.h"
#include <java_awt_DisplayMode.h>
#include <sun_awt_X11GraphicsEnvironment.h>
#include <sun_awt_X11GraphicsDevice.h>
#include <sun_awt_X11GraphicsConfig.h>
#ifndef HEADLESS
#include <X11/extensions/Xdbe.h>
#include <X11/XKBlib.h>
#include "Xrandr.h"
#include "GLXGraphicsConfig.h"
#endif /* !HEADLESS */
#include <jni.h>
#include <jni_util.h>
#include <jvm.h>
#include <jvm_md.h>
#include <jlong.h>
#include <stdlib.h>
#include "awt_GraphicsEnv.h"
#include "awt_util.h"
#include "gdefs.h"
#include <dlfcn.h>
#include "Trace.h"
#ifdef NETSCAPE
#include <signal.h>
extern int awt_init_xt;
#endif
#ifndef HEADLESS
int awt_numScreens; /* Xinerama-aware number of screens */
AwtScreenDataPtr x11Screens;
/*
* Set in initDisplay() to indicate whether we should attempt to initialize
* GLX for the default configuration.
*/
static jboolean glxRequested = JNI_FALSE;
#endif /* !HEADLESS */
#ifdef HEADLESS
#define Display void
#endif /* HEADLESS */
Display *awt_display;
jclass tkClass = NULL;
jmethodID awtLockMID = NULL;
jmethodID awtUnlockMID = NULL;
jmethodID awtWaitMID = NULL;
jmethodID awtNotifyMID = NULL;
jmethodID awtNotifyAllMID = NULL;
jboolean awtLockInited = JNI_FALSE;
/** Convenience macro for loading the lock-related method IDs. */
#define GET_STATIC_METHOD(klass, method_id, method_name, method_sig) \
do { \
method_id = (*env)->GetStaticMethodID(env, klass, \
method_name, method_sig); \
if (method_id == NULL) return NULL; \
} while (0)
struct X11GraphicsConfigIDs x11GraphicsConfigIDs;
struct X11GraphicsDeviceIDs x11GraphicsDeviceIDs;
#ifndef HEADLESS
int awtCreateX11Colormap(AwtGraphicsConfigDataPtr adata);
#endif /* HEADLESS */
static char *x11GraphicsConfigClassName = "sun/awt/X11GraphicsConfig";
/* AWT and Xinerama
*
* As of fix 4356756, AWT is Xinerama-aware. X11GraphicsDevices are created for
* each screen of a Xinerama setup, though X11 itself still only sees a single
* display.
* In many places where we talk to X11, a xinawareScreen variable is used to
* pass the correct Display value, depending on the circumstances (a single
* X display, multiple X displays, or a single X display with multiple
* Xinerama screens).
*
* Solaris and Linux differ in the functions used to access Xinerama-related
* data. This is in part because at this time, the X consortium has not
* finalized the "official" Xinerama API. Once this spec is available, and
* both OSes are conformant, one code base should be sufficient for Xinerama
* operation on both OSes. Until then, some of the Xinerama-related code
* is ifdef'd appropriately. -bchristi, 7/12/01
*/
#define MAXFRAMEBUFFERS 16
#if defined(__linux__) || defined(MACOSX)
typedef struct {
int screen_number;
short x_org;
short y_org;
short width;
short height;
} XineramaScreenInfo;
typedef XineramaScreenInfo* XineramaQueryScreensFunc(Display*, int*);
#else /* SOLARIS */
typedef Status XineramaGetInfoFunc(Display* display, int screen_number,
XRectangle* framebuffer_rects, unsigned char* framebuffer_hints,
int* num_framebuffers);
typedef Status XineramaGetCenterHintFunc(Display* display, int screen_number,
int* x, int* y);
XineramaGetCenterHintFunc* XineramaSolarisCenterFunc = NULL;
#endif
Bool usingXinerama = False;
XRectangle fbrects[MAXFRAMEBUFFERS];
JNIEXPORT void JNICALL
Java_sun_awt_X11GraphicsConfig_initIDs (JNIEnv *env, jclass cls)
{
x11GraphicsConfigIDs.aData = NULL;
x11GraphicsConfigIDs.bitsPerPixel = NULL;
x11GraphicsConfigIDs.screen = NULL;
x11GraphicsConfigIDs.aData = (*env)->GetFieldID (env, cls, "aData", "J");
x11GraphicsConfigIDs.bitsPerPixel = (*env)->GetFieldID (env, cls, "bitsPerPixel", "I");
x11GraphicsConfigIDs.screen = (*env)->GetFieldID (env, cls, "screen", "Lsun/awt/X11GraphicsDevice;");
if (x11GraphicsConfigIDs.aData == NULL ||
x11GraphicsConfigIDs.bitsPerPixel == NULL ||
x11GraphicsConfigIDs.screen == NULL) {
JNU_ThrowNoSuchFieldError(env, "Can't find a field");
return;
}
}
JNIEXPORT void JNICALL
Java_sun_awt_X11GraphicsDevice_initIDs (JNIEnv *env, jclass cls)
{
x11GraphicsDeviceIDs.screen = NULL;
x11GraphicsDeviceIDs.screen = (*env)->GetFieldID (env, cls, "screen", "I");
DASSERT(x11GraphicsDeviceIDs.screen);
}
#ifndef HEADLESS
/*
* XIOErrorHandler
*/
static int xioerror_handler(Display *disp)
{
if (awtLockInited) {
if (errno == EPIPE) {
jio_fprintf(stderr, "X connection to %s host broken (explicit kill or server shutdown)\n", XDisplayName(NULL));
}
/*SignalError(lockedee->lastpc, lockedee, "fp/ade/gui/GUIException", "I/O error"); */
}
return 0;
}
static AwtGraphicsConfigDataPtr
findWithTemplate(XVisualInfo *vinfo,
long mask)
{
XVisualInfo *visualList;
XColor color;
AwtGraphicsConfigDataPtr defaultConfig;
int visualsMatched, i;
visualList = XGetVisualInfo(awt_display,
mask, vinfo, &visualsMatched);
if (visualList) {
defaultConfig = ZALLOC(_AwtGraphicsConfigData);
for (i = 0; i < visualsMatched; i++) {
memcpy(&defaultConfig->awt_visInfo, &visualList[i], sizeof(XVisualInfo));
defaultConfig->awt_depth = visualList[i].depth;
/* we can't use awtJNI_CreateColorData here, because it'll pull,
SystemColor, which in turn will cause toolkit to be reinitialized */
if (awtCreateX11Colormap(defaultConfig)) {
/* Allocate white and black pixels for this visual */
color.flags = DoRed | DoGreen | DoBlue;
color.red = color.green = color.blue = 0x0000;
XAllocColor(awt_display, defaultConfig->awt_cmap, &color);
x11Screens[visualList[i].screen].blackpixel = color.pixel;
color.flags = DoRed | DoGreen | DoBlue;
color.red = color.green = color.blue = 0xffff;
XAllocColor(awt_display, defaultConfig->awt_cmap, &color);
x11Screens[visualList[i].screen].whitepixel = color.pixel;
XFree(visualList);
return defaultConfig;
}
}
XFree(visualList);
free((void *)defaultConfig);
}
return NULL;
}
/* default config is based on X11 screen. All Xinerama screens of that X11
screen will have the same default config */
/* Need more notes about which fields of the structure are based on the X
screen, and which are based on the Xinerama screen */
static AwtGraphicsConfigDataPtr
makeDefaultConfig(JNIEnv *env, int screen) {
AwtGraphicsConfigDataPtr defaultConfig;
int xinawareScreen = 0;
VisualID forcedVisualID = 0, defaultVisualID;
char *forcedVisualStr;
XVisualInfo vinfo;
long mask;
xinawareScreen = usingXinerama ? 0 : screen;
defaultVisualID =
XVisualIDFromVisual(DefaultVisual(awt_display, xinawareScreen));
memset(&vinfo, 0, sizeof(XVisualInfo));
vinfo.screen = xinawareScreen;
if ((forcedVisualStr = getenv("FORCEDEFVIS"))) {
mask = VisualIDMask | VisualScreenMask;
if (sscanf(forcedVisualStr, "%lx", &forcedVisualID) > 0 &&
forcedVisualID > 0)
{
vinfo.visualid = forcedVisualID;
} else {
vinfo.visualid = defaultVisualID;
}
} else {
VisualID bestGLXVisualID;
if (glxRequested &&
(bestGLXVisualID = GLXGC_FindBestVisual(env, xinawareScreen)) > 0)
{
/* we've found the best visual for use with GLX, so use it */
vinfo.visualid = bestGLXVisualID;
mask = VisualIDMask | VisualScreenMask;
} else {
/* otherwise, continue looking for the best X11 visual */
vinfo.depth = 24;
vinfo.class = TrueColor;
mask = VisualDepthMask | VisualScreenMask | VisualClassMask;
}
}
/* try the best, or forced visual */
defaultConfig = findWithTemplate(&vinfo, mask);
if (defaultConfig) {
return defaultConfig;
}
/* try the default visual */
vinfo.visualid = defaultVisualID;
mask = VisualIDMask | VisualScreenMask;
defaultConfig = findWithTemplate(&vinfo, mask);
if (defaultConfig) {
return defaultConfig;
}
/* try any TrueColor */
vinfo.class = TrueColor;
mask = VisualScreenMask | VisualClassMask;
defaultConfig = findWithTemplate(&vinfo, mask);
if (defaultConfig) {
return defaultConfig;
}
/* try 8-bit PseudoColor */
vinfo.depth = 8;
vinfo.class = PseudoColor;
mask = VisualDepthMask | VisualScreenMask | VisualClassMask;
defaultConfig = findWithTemplate(&vinfo, mask);
if (defaultConfig) {
return defaultConfig;
}
/* try any 8-bit */
vinfo.depth = 8;
mask = VisualDepthMask | VisualScreenMask;
defaultConfig = findWithTemplate(&vinfo, mask);
if (defaultConfig) {
return defaultConfig;
}
/* we tried everything, give up */
JNU_ThrowInternalError(env, "Can't find supported visual");
XCloseDisplay(awt_display);
awt_display = NULL;
return NULL;
}
static void
getAllConfigs (JNIEnv *env, int screen, AwtScreenDataPtr screenDataPtr) {
int i;
int n8p=0, n12p=0, n8s=0, n8gs=0, n8sg=0, n1sg=0, nTrue=0;
int nConfig;
XVisualInfo *pVI8p, *pVI12p, *pVI8s, *pVITrue, *pVI8gs,
*pVI8sg, *pVI1sg = NULL, viTmp;
AwtGraphicsConfigDataPtr *graphicsConfigs;
AwtGraphicsConfigDataPtr defaultConfig;
int ind;
char errmsg[128];
int xinawareScreen;
void* xrenderLibHandle = NULL;
XRenderFindVisualFormatFunc* xrenderFindVisualFormat = NULL;
int major_opcode, first_event, first_error;
if (usingXinerama) {
xinawareScreen = 0;
}
else {
xinawareScreen = screen;
}
AWT_LOCK ();
viTmp.screen = xinawareScreen;
viTmp.depth = 8;
viTmp.class = PseudoColor;
viTmp.colormap_size = 256;
pVI8p = XGetVisualInfo (awt_display,
VisualDepthMask | VisualClassMask |
VisualColormapSizeMask | VisualScreenMask,
&viTmp, &n8p);
viTmp.depth = 12;
viTmp.class = PseudoColor;
viTmp.colormap_size = 4096;
pVI12p = XGetVisualInfo (awt_display,
VisualDepthMask | VisualClassMask |
VisualColormapSizeMask | VisualScreenMask,
&viTmp, &n12p);
viTmp.class = TrueColor;
pVITrue = XGetVisualInfo (awt_display,
VisualClassMask |
VisualScreenMask,
&viTmp, &nTrue);
viTmp.depth = 8;
viTmp.class = StaticColor;
pVI8s = XGetVisualInfo (awt_display, VisualDepthMask | VisualClassMask |
VisualScreenMask, &viTmp, &n8s);
viTmp.depth = 8;
viTmp.class = GrayScale;
viTmp.colormap_size = 256;
pVI8gs = XGetVisualInfo (awt_display,
VisualDepthMask | VisualClassMask |
VisualColormapSizeMask | VisualScreenMask,
&viTmp, &n8gs);
viTmp.depth = 8;
viTmp.class = StaticGray;
viTmp.colormap_size = 256;
pVI8sg = XGetVisualInfo (awt_display,
VisualDepthMask | VisualClassMask |
VisualColormapSizeMask | VisualScreenMask,
&viTmp, &n8sg);
/* REMIND.. remove when we have support for the color classes below */
/* viTmp.depth = 1; */
/* viTmp.class = StaticGray; */
/* pVI1sg = XGetVisualInfo (awt_display, VisualDepthMask | VisualClassMask, */
/* viTmp, &n1sg); */
nConfig = n8p + n12p + n8s + n8gs + n8sg + n1sg + nTrue + 1;
graphicsConfigs = (AwtGraphicsConfigDataPtr *)
calloc(nConfig, sizeof(AwtGraphicsConfigDataPtr));
if (graphicsConfigs == NULL) {
JNU_ThrowOutOfMemoryError((JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2),
NULL);
AWT_UNLOCK();
return;
}
if (screenDataPtr->defaultConfig == NULL) {
/*
* After a display change event, the default config field will have
* been reset, so we need to recreate the default config here.
*/
screenDataPtr->defaultConfig = makeDefaultConfig(env, screen);
}
defaultConfig = screenDataPtr->defaultConfig;
graphicsConfigs[0] = defaultConfig;
nConfig = 1; /* reserve index 0 for default config */
// Only use the RENDER extension if it is available on the X server
if (XQueryExtension(awt_display, "RENDER",
&major_opcode, &first_event, &first_error))
{
xrenderLibHandle = dlopen("libXrender.so.1", RTLD_LAZY | RTLD_GLOBAL);
#ifdef MACOSX
#define XRENDER_LIB "/usr/X11/lib/libXrender.dylib"
#else
#define XRENDER_LIB "libXrender.so"
#endif
if (xrenderLibHandle == NULL) {
xrenderLibHandle = dlopen(XRENDER_LIB,
RTLD_LAZY | RTLD_GLOBAL);
}
#ifndef __linux__ /* SOLARIS */
if (xrenderLibHandle == NULL) {
xrenderLibHandle = dlopen("/usr/sfw/lib/libXrender.so.1",
RTLD_LAZY | RTLD_GLOBAL);
}
#endif
if (xrenderLibHandle != NULL) {
xrenderFindVisualFormat =
(XRenderFindVisualFormatFunc*)dlsym(xrenderLibHandle,
"XRenderFindVisualFormat");
}
}
for (i = 0; i < nTrue; i++) {
if (XVisualIDFromVisual(pVITrue[i].visual) ==
XVisualIDFromVisual(defaultConfig->awt_visInfo.visual) ||
pVITrue[i].depth == 12) {
/* Skip the non-supported 12-bit TrueColor visual */
continue;
} else {
ind = nConfig++;
}
graphicsConfigs [ind] = ZALLOC (_AwtGraphicsConfigData);
graphicsConfigs [ind]->awt_depth = pVITrue [i].depth;
memcpy (&graphicsConfigs [ind]->awt_visInfo, &pVITrue [i],
sizeof (XVisualInfo));
if (xrenderFindVisualFormat != NULL) {
XRenderPictFormat *format = xrenderFindVisualFormat (awt_display,
pVITrue [i].visual);
if (format &&
format->type == PictTypeDirect &&
format->direct.alphaMask)
{
graphicsConfigs [ind]->isTranslucencySupported = 1;
memcpy(&graphicsConfigs [ind]->renderPictFormat, format,
sizeof(*format));
}
}
}
if (xrenderLibHandle != NULL) {
dlclose(xrenderLibHandle);
xrenderLibHandle = NULL;
}
for (i = 0; i < n8p; i++) {
if (XVisualIDFromVisual(pVI8p[i].visual) ==
XVisualIDFromVisual(defaultConfig->awt_visInfo.visual)) {
continue;
} else {
ind = nConfig++;
}
graphicsConfigs [ind] = ZALLOC (_AwtGraphicsConfigData);
graphicsConfigs [ind]->awt_depth = pVI8p [i].depth;
memcpy (&graphicsConfigs [ind]->awt_visInfo, &pVI8p [i],
sizeof (XVisualInfo));
}
for (i = 0; i < n12p; i++) {
if (XVisualIDFromVisual(pVI12p[i].visual) ==
XVisualIDFromVisual(defaultConfig->awt_visInfo.visual)) {
continue;
} else {
ind = nConfig++;
}
graphicsConfigs [ind] = ZALLOC (_AwtGraphicsConfigData);
graphicsConfigs [ind]->awt_depth = pVI12p [i].depth;
memcpy (&graphicsConfigs [ind]->awt_visInfo, &pVI12p [i],
sizeof (XVisualInfo));
}
for (i = 0; i < n8s; i++) {
if (XVisualIDFromVisual(pVI8s[i].visual) ==
XVisualIDFromVisual(defaultConfig->awt_visInfo.visual)) {
continue;
} else {
ind = nConfig++;
}
graphicsConfigs [ind] = ZALLOC (_AwtGraphicsConfigData);
graphicsConfigs [ind]->awt_depth = pVI8s [i].depth;
memcpy (&graphicsConfigs [ind]->awt_visInfo, &pVI8s [i],
sizeof (XVisualInfo));
}
for (i = 0; i < n8gs; i++) {
if (XVisualIDFromVisual(pVI8gs[i].visual) ==
XVisualIDFromVisual(defaultConfig->awt_visInfo.visual)) {
continue;
} else {
ind = nConfig++;
}
graphicsConfigs [ind] = ZALLOC (_AwtGraphicsConfigData);
graphicsConfigs [ind]->awt_depth = pVI8gs [i].depth;
memcpy (&graphicsConfigs [ind]->awt_visInfo, &pVI8gs [i],
sizeof (XVisualInfo));
}
for (i = 0; i < n8sg; i++) {
if (XVisualIDFromVisual(pVI8sg[i].visual) ==
XVisualIDFromVisual(defaultConfig->awt_visInfo.visual)) {
continue;
} else {
ind = nConfig++;
}
graphicsConfigs [ind] = ZALLOC (_AwtGraphicsConfigData);
graphicsConfigs [ind]->awt_depth = pVI8sg [i].depth;
memcpy (&graphicsConfigs [ind]->awt_visInfo, &pVI8sg [i],
sizeof (XVisualInfo));
}
for (i = 0; i < n1sg; i++) {
if (XVisualIDFromVisual(pVI1sg[i].visual) ==
XVisualIDFromVisual(defaultConfig->awt_visInfo.visual)) {
continue;
} else {
ind = nConfig++;
}
graphicsConfigs [ind] = ZALLOC (_AwtGraphicsConfigData);
graphicsConfigs [ind]->awt_depth = pVI1sg [i].depth;
memcpy (&graphicsConfigs [ind]->awt_visInfo, &pVI1sg [i],
sizeof (XVisualInfo));
}
if (n8p != 0)
XFree (pVI8p);
if (n12p != 0)
XFree (pVI12p);
if (n8s != 0)
XFree (pVI8s);
if (n8gs != 0)
XFree (pVI8gs);
if (n8sg != 0)
XFree (pVI8sg);
if (n1sg != 0)
XFree (pVI1sg);
screenDataPtr->numConfigs = nConfig;
screenDataPtr->configs = graphicsConfigs;
AWT_UNLOCK ();
}
#ifndef HEADLESS
#if defined(__linux__) || defined(MACOSX)
static void xinerama_init_linux()
{
void* libHandle = NULL;
int32_t locNumScr = 0;
XineramaScreenInfo *xinInfo;
char* XineramaQueryScreensName = "XineramaQueryScreens";
XineramaQueryScreensFunc* XineramaQueryScreens = NULL;
/* load library */
libHandle = dlopen(VERSIONED_JNI_LIB_NAME("Xinerama", "1"),
RTLD_LAZY | RTLD_GLOBAL);
if (libHandle == NULL) {
libHandle = dlopen(JNI_LIB_NAME("Xinerama"), RTLD_LAZY | RTLD_GLOBAL);
}
if (libHandle != NULL) {
XineramaQueryScreens = (XineramaQueryScreensFunc*)
dlsym(libHandle, XineramaQueryScreensName);
if (XineramaQueryScreens != NULL) {
DTRACE_PRINTLN("calling XineramaQueryScreens func on Linux");
xinInfo = (*XineramaQueryScreens)(awt_display, &locNumScr);
if (xinInfo != NULL && locNumScr > XScreenCount(awt_display)) {
int32_t idx;
DTRACE_PRINTLN("Enabling Xinerama support");
usingXinerama = True;
/* set global number of screens */
DTRACE_PRINTLN1(" num screens = %i\n", locNumScr);
awt_numScreens = locNumScr;
/* stuff values into fbrects */
for (idx = 0; idx < awt_numScreens; idx++) {
DASSERT(xinInfo[idx].screen_number == idx);
fbrects[idx].width = xinInfo[idx].width;
fbrects[idx].height = xinInfo[idx].height;
fbrects[idx].x = xinInfo[idx].x_org;
fbrects[idx].y = xinInfo[idx].y_org;
}
} else {
DTRACE_PRINTLN("calling XineramaQueryScreens didn't work");
}
} else {
DTRACE_PRINTLN("couldn't load XineramaQueryScreens symbol");
}
dlclose(libHandle);
} else {
DTRACE_PRINTLN1("\ncouldn't open shared library: %s\n", dlerror());
}
}
#endif
#if !defined(__linux__) && !defined(MACOSX) /* Solaris */
static void xinerama_init_solaris()
{
void* libHandle = NULL;
unsigned char fbhints[MAXFRAMEBUFFERS];
int32_t locNumScr = 0;
/* load and run XineramaGetInfo */
char* XineramaGetInfoName = "XineramaGetInfo";
char* XineramaGetCenterHintName = "XineramaGetCenterHint";
XineramaGetInfoFunc* XineramaSolarisFunc = NULL;
/* load library */
libHandle = dlopen(JNI_LIB_NAME("Xext"), RTLD_LAZY | RTLD_GLOBAL);
if (libHandle != NULL) {
XineramaSolarisFunc = (XineramaGetInfoFunc*)dlsym(libHandle, XineramaGetInfoName);
XineramaSolarisCenterFunc =
(XineramaGetCenterHintFunc*)dlsym(libHandle, XineramaGetCenterHintName);
if (XineramaSolarisFunc != NULL) {
DTRACE_PRINTLN("calling XineramaGetInfo func on Solaris");
if ((*XineramaSolarisFunc)(awt_display, 0, &fbrects[0],
&fbhints[0], &locNumScr) != 0 &&
locNumScr > XScreenCount(awt_display))
{
DTRACE_PRINTLN("Enabling Xinerama support");
usingXinerama = True;
/* set global number of screens */
DTRACE_PRINTLN1(" num screens = %i\n", locNumScr);
awt_numScreens = locNumScr;
} else {
DTRACE_PRINTLN("calling XineramaGetInfo didn't work");
}
} else {
DTRACE_PRINTLN("couldn't load XineramaGetInfo symbol");
}
dlclose(libHandle);
} else {
DTRACE_PRINTLN1("\ncouldn't open shared library: %s\n", dlerror());
}
}
#endif
/*
* Checks if Xinerama is running and perform Xinerama-related
* platform dependent initialization.
*/
static void xineramaInit(void) {
char* XinExtName = "XINERAMA";
int32_t major_opcode, first_event, first_error;
Bool gotXinExt = False;
gotXinExt = XQueryExtension(awt_display, XinExtName, &major_opcode,
&first_event, &first_error);
if (!gotXinExt) {
DTRACE_PRINTLN("Xinerama extension is not available");
return;
}
DTRACE_PRINTLN("Xinerama extension is available");
#if defined(__linux__) || defined(MACOSX)
xinerama_init_linux();
#else /* Solaris */
xinerama_init_solaris();
#endif /* __linux__ || MACOSX */
}
#endif /* HEADLESS */
Display *
awt_init_Display(JNIEnv *env, jobject this)
{
jclass klass;
Display *dpy;
char errmsg[128];
int i;
#ifdef NETSCAPE
sigset_t alarm_set, oldset;
#endif
if (awt_display) {
return awt_display;
}
#ifdef NETSCAPE
/* Disable interrupts during XtOpenDisplay to avoid bugs in unix os select
code: some unix systems don't implement SA_RESTART properly and
because of this, select returns with EINTR. Most implementations of
gethostbyname don't cope with EINTR properly and as a result we get
stuck (forever) in the gethostbyname code
*/
sigemptyset(&alarm_set);
sigaddset(&alarm_set, SIGALRM);
sigprocmask(SIG_BLOCK, &alarm_set, &oldset);
#endif
/* Load AWT lock-related methods in SunToolkit */
klass = (*env)->FindClass(env, "sun/awt/SunToolkit");
if (klass == NULL) return NULL;
GET_STATIC_METHOD(klass, awtLockMID, "awtLock", "()V");
GET_STATIC_METHOD(klass, awtUnlockMID, "awtUnlock", "()V");
GET_STATIC_METHOD(klass, awtWaitMID, "awtLockWait", "(J)V");
GET_STATIC_METHOD(klass, awtNotifyMID, "awtLockNotify", "()V");
GET_STATIC_METHOD(klass, awtNotifyAllMID, "awtLockNotifyAll", "()V");
tkClass = (*env)->NewGlobalRef(env, klass);
awtLockInited = JNI_TRUE;
if (getenv("_AWT_IGNORE_XKB") != NULL &&
strlen(getenv("_AWT_IGNORE_XKB")) > 0) {
if (XkbIgnoreExtension(True)) {
printf("Ignoring XKB.\n");
}
}
dpy = awt_display = XOpenDisplay(NULL);
#ifdef NETSCAPE
sigprocmask(SIG_SETMASK, &oldset, NULL);
#endif
if (!dpy) {
jio_snprintf(errmsg,
sizeof(errmsg),
"Can't connect to X11 window server using '%s' as the value of the DISPLAY variable.",
(getenv("DISPLAY") == NULL) ? ":0.0" : getenv("DISPLAY"));
JNU_ThrowByName(env, "java/awt/AWTError", errmsg);
return NULL;
}
XSetIOErrorHandler(xioerror_handler);
JNU_CallStaticMethodByName(env, NULL, "sun/awt/X11/XErrorHandlerUtil", "init", "(J)V",
ptr_to_jlong(awt_display));
/* set awt_numScreens, and whether or not we're using Xinerama */
xineramaInit();
if (!usingXinerama) {
awt_numScreens = XScreenCount(awt_display);
}
DTRACE_PRINTLN1("allocating %i screens\n", awt_numScreens);
/* Allocate screen data structure array */
x11Screens = calloc(awt_numScreens, sizeof(AwtScreenData));
if (x11Screens == NULL) {
JNU_ThrowOutOfMemoryError((JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2),
NULL);
return NULL;
}
for (i = 0; i < awt_numScreens; i++) {
if (usingXinerama) {
/* All Xinerama screens use the same X11 root for now */
x11Screens[i].root = RootWindow(awt_display, 0);
}
else {
x11Screens[i].root = RootWindow(awt_display, i);
}
x11Screens[i].defaultConfig = makeDefaultConfig(env, i);
}
return dpy;
}
#endif /* !HEADLESS */
/*
* Class: sun_awt_X11GraphicsEnvironment
* Method: getDefaultScreenNum
* Signature: ()I
*/
JNIEXPORT jint JNICALL
Java_sun_awt_X11GraphicsEnvironment_getDefaultScreenNum(
JNIEnv *env, jobject this)
{
#ifdef HEADLESS
return (jint)0;
#else
return DefaultScreen(awt_display);
#endif /* !HEADLESS */
}
#ifndef HEADLESS
static void ensureConfigsInited(JNIEnv* env, int screen) {
if (x11Screens[screen].numConfigs == 0) {
if (env == NULL) {
env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
}
getAllConfigs (env, screen, &(x11Screens[screen]));
}
}
#endif
#ifdef HEADLESS
void* getDefaultConfig(int screen) {
return NULL;
}
#else
AwtGraphicsConfigDataPtr
getDefaultConfig(int screen) {
ensureConfigsInited(NULL, screen);
return x11Screens[screen].defaultConfig;
}
AwtScreenDataPtr
getScreenData(int screen) {
return &(x11Screens[screen]);
}
#endif /* !HEADLESS */
/*
* Class: sun_awt_X11GraphicsEnvironment
* Method: initDisplay
* Signature: (Z)V
*/
JNIEXPORT void JNICALL
Java_sun_awt_X11GraphicsEnvironment_initDisplay(JNIEnv *env, jobject this,
jboolean glxReq)
{
#ifndef HEADLESS
glxRequested = glxReq;
(void) awt_init_Display(env, this);
#endif /* !HEADLESS */
}
/*
* Class: sun_awt_X11GraphicsEnvironment
* Method: initGLX
* Signature: ()Z
*/
JNIEXPORT jboolean JNICALL
Java_sun_awt_X11GraphicsEnvironment_initGLX(JNIEnv *env, jclass x11ge)
{
#ifndef HEADLESS
jboolean glxAvailable;
AWT_LOCK();
glxAvailable = GLXGC_IsGLXAvailable();
AWT_UNLOCK();
return glxAvailable;
#else
return JNI_FALSE;
#endif /* !HEADLESS */
}
/*
* Class: sun_awt_X11GraphicsEnvironment
* Method: getNumScreens
* Signature: ()I
*/
JNIEXPORT jint JNICALL
Java_sun_awt_X11GraphicsEnvironment_getNumScreens(JNIEnv *env, jobject this)
{
#ifdef HEADLESS
return (jint)0;
#else
return awt_numScreens;
#endif /* !HEADLESS */
}
/*
* Class: sun_awt_X11GraphicsDevice
* Method: getDisplay
* Signature: ()J
*/
JNIEXPORT jlong JNICALL
Java_sun_awt_X11GraphicsDevice_getDisplay(JNIEnv *env, jobject this)
{
#ifdef HEADLESS
return NULL;
#else
return ptr_to_jlong(awt_display);
#endif /* !HEADLESS */
}
#ifdef MITSHM
static jint canUseShmExt = UNSET_MITSHM;
static jint canUseShmExtPixmaps = UNSET_MITSHM;
static jboolean xshmAttachFailed = JNI_FALSE;
int XShmAttachXErrHandler(Display *display, XErrorEvent *xerr) {
if (xerr->minor_code == X_ShmAttach) {
xshmAttachFailed = JNI_TRUE;
}
return 0;
}
jboolean isXShmAttachFailed() {
return xshmAttachFailed;
}
void resetXShmAttachFailed() {
xshmAttachFailed = JNI_FALSE;
}
extern int mitShmPermissionMask;
void TryInitMITShm(JNIEnv *env, jint *shmExt, jint *shmPixmaps) {
XShmSegmentInfo shminfo;
int XShmMajor, XShmMinor;
int a, b, c;
AWT_LOCK();
if (canUseShmExt != UNSET_MITSHM) {
*shmExt = canUseShmExt;
*shmPixmaps = canUseShmExtPixmaps;
AWT_UNLOCK();
return;
}
*shmExt = canUseShmExt = CANT_USE_MITSHM;
*shmPixmaps = canUseShmExtPixmaps = CANT_USE_MITSHM;
if (awt_display == (Display *)NULL) {
AWT_NOFLUSH_UNLOCK();
return;
}
/**
* XShmQueryExtension returns False in remote server case.
* Unfortunately it also returns True in ssh case, so
* we need to test that we can actually do XShmAttach.
*/
if (XShmQueryExtension(awt_display)) {
shminfo.shmid = shmget(IPC_PRIVATE, 0x10000,
IPC_CREAT|mitShmPermissionMask);
if (shminfo.shmid < 0) {
AWT_UNLOCK();
J2dRlsTraceLn1(J2D_TRACE_ERROR,
"TryInitMITShm: shmget has failed: %s",
strerror(errno));
return;
}
shminfo.shmaddr = (char *) shmat(shminfo.shmid, 0, 0);
if (shminfo.shmaddr == ((char *) -1)) {
shmctl(shminfo.shmid, IPC_RMID, 0);
AWT_UNLOCK();
J2dRlsTraceLn1(J2D_TRACE_ERROR,
"TryInitMITShm: shmat has failed: %s",
strerror(errno));
return;
}
shminfo.readOnly = True;
resetXShmAttachFailed();
/**
* The J2DXErrHandler handler will set xshmAttachFailed
* to JNI_TRUE if any Shm error has occured.
*/
EXEC_WITH_XERROR_HANDLER(XShmAttachXErrHandler,
XShmAttach(awt_display, &shminfo));
/**
* Get rid of the id now to reduce chances of leaking
* system resources.
*/
shmctl(shminfo.shmid, IPC_RMID, 0);
if (isXShmAttachFailed() == JNI_FALSE) {
canUseShmExt = CAN_USE_MITSHM;
/* check if we can use shared pixmaps */
XShmQueryVersion(awt_display, &XShmMajor, &XShmMinor,
(Bool*)&canUseShmExtPixmaps);
canUseShmExtPixmaps = canUseShmExtPixmaps &&
(XShmPixmapFormat(awt_display) == ZPixmap);
XShmDetach(awt_display, &shminfo);
}
shmdt(shminfo.shmaddr);
*shmExt = canUseShmExt;
*shmPixmaps = canUseShmExtPixmaps;
}
AWT_UNLOCK();
}
#endif /* MITSHM */
/*
* Class: sun_awt_X11GraphicsEnvironment
* Method: checkShmExt
* Signature: ()I
*/
JNIEXPORT jint JNICALL
Java_sun_awt_X11GraphicsEnvironment_checkShmExt(JNIEnv *env, jobject this)
{
int shmExt = NOEXT_MITSHM, shmPixmaps;
#ifdef MITSHM
TryInitMITShm(env, &shmExt, &shmPixmaps);
#endif
return shmExt;
}
/*
* Class: sun_awt_X11GraphicsEnvironment
* Method: getDisplayString
* Signature: ()Ljava/lang/String
*/
JNIEXPORT jstring JNICALL
Java_sun_awt_X11GraphicsEnvironment_getDisplayString
(JNIEnv *env, jobject this)
{
#ifdef HEADLESS
return (jstring)NULL;
#else
return (*env)->NewStringUTF(env, DisplayString(awt_display));
#endif /* HEADLESS */
}
/*
* Class: sun_awt_X11GraphicsDevice
* Method: getNumConfigs
* Signature: ()I
*/
JNIEXPORT jint JNICALL
Java_sun_awt_X11GraphicsDevice_getNumConfigs(
JNIEnv *env, jobject this, jint screen)
{
#ifdef HEADLESS
return (jint)0;
#else
ensureConfigsInited(env, screen);
return x11Screens[screen].numConfigs;
#endif /* !HEADLESS */
}
/*
* Class: sun_awt_X11GraphicsDevice
* Method: getConfigVisualId
* Signature: (I)I
*/
JNIEXPORT jint JNICALL
Java_sun_awt_X11GraphicsDevice_getConfigVisualId(
JNIEnv *env, jobject this, jint index, jint screen)
{
#ifdef HEADLESS
return (jint)0;
#else
int visNum;
ensureConfigsInited(env, screen);
if (index == 0) {
return ((jint)x11Screens[screen].defaultConfig->awt_visInfo.visualid);
} else {
return ((jint)x11Screens[screen].configs[index]->awt_visInfo.visualid);
}
#endif /* !HEADLESS */
}
/*
* Class: sun_awt_X11GraphicsDevice
* Method: getConfigDepth
* Signature: (I)I
*/
JNIEXPORT jint JNICALL
Java_sun_awt_X11GraphicsDevice_getConfigDepth(
JNIEnv *env, jobject this, jint index, jint screen)
{
#ifdef HEADLESS
return (jint)0;
#else
int visNum;
ensureConfigsInited(env, screen);
if (index == 0) {
return ((jint)x11Screens[screen].defaultConfig->awt_visInfo.depth);
} else {
return ((jint)x11Screens[screen].configs[index]->awt_visInfo.depth);
}
#endif /* !HEADLESS */
}
/*
* Class: sun_awt_X11GraphicsDevice
* Method: getConfigColormap
* Signature: (I)I
*/
JNIEXPORT jint JNICALL
Java_sun_awt_X11GraphicsDevice_getConfigColormap(
JNIEnv *env, jobject this, jint index, jint screen)
{
#ifdef HEADLESS
return (jint)0;
#else
int visNum;
ensureConfigsInited(env, screen);
if (index == 0) {
return ((jint)x11Screens[screen].defaultConfig->awt_cmap);
} else {
return ((jint)x11Screens[screen].configs[index]->awt_cmap);
}
#endif /* !HEADLESS */
}
/*
* Class: sun_awt_X11GraphicsDevice
* Method: resetNativeData
* Signature: (I)V
*/
JNIEXPORT void JNICALL
Java_sun_awt_X11GraphicsDevice_resetNativeData
(JNIEnv *env, jclass x11gd, jint screen)
{
#ifndef HEADLESS
/*
* Reset references to the various configs; the actual native config data
* will be free'd later by the Disposer mechanism when the Java-level
* X11GraphicsConfig objects go away. By setting these values to NULL,
* we ensure that they will be reinitialized as necessary (for example,
* see the getNumConfigs() method).
*/
if (x11Screens[screen].configs) {
free(x11Screens[screen].configs);
x11Screens[screen].configs = NULL;
}
x11Screens[screen].defaultConfig = NULL;
x11Screens[screen].numConfigs = 0;
#endif /* !HEADLESS */
}
/*
* Class: sun_awt_X11GraphicsConfig
* Method: dispose
* Signature: (J)V
*/
JNIEXPORT void JNICALL
Java_sun_awt_X11GraphicsConfig_dispose
(JNIEnv *env, jclass x11gc, jlong configData)
{
#ifndef HEADLESS
AwtGraphicsConfigDataPtr aData = (AwtGraphicsConfigDataPtr)
jlong_to_ptr(configData);
if (aData == NULL) {
return;
}
AWT_LOCK();
if (aData->awt_cmap) {
XFreeColormap(awt_display, aData->awt_cmap);
}
if (aData->awtImage) {
free(aData->awtImage);
}
if (aData->monoImage) {
XFree(aData->monoImage);
}
if (aData->monoPixmap) {
XFreePixmap(awt_display, aData->monoPixmap);
}
if (aData->monoPixmapGC) {
XFreeGC(awt_display, aData->monoPixmapGC);
}
if (aData->color_data) {
free(aData->color_data);
}
AWT_UNLOCK();
if (aData->glxInfo) {
/*
* The native GLXGraphicsConfig data needs to be disposed separately
* on the OGL queue flushing thread (should not be called while
* the AWT lock is held).
*/
JNU_CallStaticMethodByName(env, NULL,
"sun/java2d/opengl/OGLRenderQueue",
"disposeGraphicsConfig", "(J)V",
ptr_to_jlong(aData->glxInfo));
}
free(aData);
#endif /* !HEADLESS */
}
/*
* Class: sun_awt_X11GraphicsConfig
* Method: getXResolution
* Signature: ()I
*/
JNIEXPORT jdouble JNICALL
Java_sun_awt_X11GraphicsConfig_getXResolution(
JNIEnv *env, jobject this, jint screen)
{
#ifdef HEADLESS
return (jdouble)0;
#else
return ((DisplayWidth(awt_display, screen) * 25.4) /
DisplayWidthMM(awt_display, screen));
#endif /* !HEADLESS */
}
/*
* Class: sun_awt_X11GraphicsConfig
* Method: getYResolution
* Signature: ()I
*/
JNIEXPORT jdouble JNICALL
Java_sun_awt_X11GraphicsConfig_getYResolution(
JNIEnv *env, jobject this, jint screen)
{
#ifdef HEADLESS
return (jdouble)0;
#else
return ((DisplayHeight(awt_display, screen) * 25.4) /
DisplayHeightMM(awt_display, screen));
#endif /* !HEADLESS */
}
/*
* Class: sun_awt_X11GraphicsConfig
* Method: getNumColors
* Signature: ()I
*/
JNIEXPORT jint JNICALL
Java_sun_awt_X11GraphicsConfig_getNumColors(
JNIEnv *env, jobject this)
{
#ifdef HEADLESS
return (jint)0;
#else
AwtGraphicsConfigData *adata;
adata = (AwtGraphicsConfigData *) JNU_GetLongFieldAsPtr(env, this,
x11GraphicsConfigIDs.aData);
return adata->awt_num_colors;
#endif /* !HEADLESS */
}
/*
* Class: sun_awt_X11GraphicsConfig
* Method: init
* Signature: (I)V
*/
JNIEXPORT void JNICALL
Java_sun_awt_X11GraphicsConfig_init(
JNIEnv *env, jobject this, jint visualNum, jint screen)
{
#ifndef HEADLESS
AwtGraphicsConfigData *adata = NULL;
AwtScreenData asd = x11Screens[screen];
int i, n;
int depth;
XImage * tempImage;
/* If haven't gotten all of the configs yet, do it now. */
if (asd.numConfigs == 0) {
getAllConfigs (env, screen, &asd);
}
/* Check the graphicsConfig for this visual */
for (i = 0; i < asd.numConfigs; i++) {
AwtGraphicsConfigDataPtr agcPtr = asd.configs[i];
if ((jint)agcPtr->awt_visInfo.visualid == visualNum) {
adata = agcPtr;
break;
}
}
/* If didn't find the visual, throw an exception... */
if (adata == (AwtGraphicsConfigData *) NULL) {
JNU_ThrowIllegalArgumentException(env, "Unknown Visual Specified");
return;
}
/* adata->awt_cmap initialization has been deferred to
* makeColorModel call
*/
JNU_SetLongFieldFromPtr(env, this, x11GraphicsConfigIDs.aData, adata);
depth = adata->awt_visInfo.depth;
tempImage = XCreateImage(awt_display,
adata->awt_visInfo.visual,
depth, ZPixmap, 0, NULL, 1, 1, 32, 0);
adata->pixelStride = (tempImage->bits_per_pixel + 7) / 8;
(*env)->SetIntField(env, this, x11GraphicsConfigIDs.bitsPerPixel,
(jint)tempImage->bits_per_pixel);
XDestroyImage(tempImage);
#endif /* !HEADLESS */
}
/*
* Class: sun_awt_X11GraphicsConfig
* Method: makeColorModel
* Signature: ()Ljava/awt/image/ColorModel
*/
JNIEXPORT jobject JNICALL
Java_sun_awt_X11GraphicsConfig_makeColorModel(
JNIEnv *env, jobject this)
{
#ifdef HEADLESS
return NULL;
#else
AwtGraphicsConfigData *adata;
jobject colorModel;
/*
* If awt is not locked yet, return null since the toolkit is not
* initialized yet.
*/
if (!awtLockInited) {
return NULL;
}
AWT_LOCK ();
adata = (AwtGraphicsConfigData *) JNU_GetLongFieldAsPtr(env, this,
x11GraphicsConfigIDs.aData);
/* If colormap entry of adata is NULL, need to create it now */
if (adata->awt_cmap == (Colormap) NULL) {
awtJNI_CreateColorData (env, adata, 1);
}
/* Make Color Model object for this GraphicsConfiguration */
colorModel = awtJNI_GetColorModel (env, adata);
AWT_UNLOCK ();
return colorModel;
#endif /* !HEADLESS */
}
/*
* Class: sun_awt_X11GraphicsConfig
* Method: getBounds
* Signature: ()Ljava/awt/Rectangle
*/
JNIEXPORT jobject JNICALL
Java_sun_awt_X11GraphicsConfig_pGetBounds(JNIEnv *env, jobject this, jint screen)
{
#ifdef HEADLESS
return NULL;
#else
jclass clazz;
jmethodID mid;
jobject bounds = NULL;
AwtGraphicsConfigDataPtr adata;
adata = (AwtGraphicsConfigDataPtr)
JNU_GetLongFieldAsPtr(env, this, x11GraphicsConfigIDs.aData);
clazz = (*env)->FindClass(env, "java/awt/Rectangle");
mid = (*env)->GetMethodID(env, clazz, "<init>", "(IIII)V");
if (mid != NULL) {
if (usingXinerama) {
if (0 <= screen && screen < awt_numScreens) {
bounds = (*env)->NewObject(env, clazz, mid, fbrects[screen].x,
fbrects[screen].y,
fbrects[screen].width,
fbrects[screen].height);
} else {
jclass exceptionClass = (*env)->FindClass(env, "java/lang/IllegalArgumentException");
if (exceptionClass != NULL) {
(*env)->ThrowNew(env, exceptionClass, "Illegal screen index");
}
}
} else {
XWindowAttributes xwa;
memset(&xwa, 0, sizeof(xwa));
AWT_LOCK ();
XGetWindowAttributes(awt_display,
RootWindow(awt_display, adata->awt_visInfo.screen),
&xwa);
AWT_UNLOCK ();
bounds = (*env)->NewObject(env, clazz, mid, 0, 0,
xwa.width, xwa.height);
}
if ((*env)->ExceptionOccurred(env)) {
return NULL;
}
}
return bounds;
#endif /* !HEADLESS */
}
/*
* Class: sun_awt_X11GraphicsConfig
* Method: createBackBuffer
* Signature: (JI)J
*/
JNIEXPORT jlong JNICALL
Java_sun_awt_X11GraphicsConfig_createBackBuffer
(JNIEnv *env, jobject this, jlong window, jint swapAction)
{
int32_t v1, v2;
XdbeBackBuffer ret = (unsigned long) 0;
Window w = (Window)window;
AWT_LOCK();
if (!XdbeQueryExtension(awt_display, &v1, &v2)) {
JNU_ThrowByName(env, "java/lang/Exception",
"Could not query double-buffer extension");
AWT_UNLOCK();
return (jlong)0;
}
ret = XdbeAllocateBackBufferName(awt_display, w,
(XdbeSwapAction)swapAction);
AWT_FLUSH_UNLOCK();
return (jlong)ret;
}
/*
* Class: sun_awt_X11GraphicsConfig
* Method: destroyBackBuffer
* Signature: (J)V
*/
JNIEXPORT void JNICALL
Java_sun_awt_X11GraphicsConfig_destroyBackBuffer
(JNIEnv *env, jobject this, jlong backBuffer)
{
AWT_LOCK();
XdbeDeallocateBackBufferName(awt_display, (XdbeBackBuffer)backBuffer);
AWT_FLUSH_UNLOCK();
}
/*
* Class: sun_awt_X11GraphicsConfig
* Method: swapBuffers
* Signature: (JI)V
*/
JNIEXPORT void JNICALL
Java_sun_awt_X11GraphicsConfig_swapBuffers
(JNIEnv *env, jobject this,
jlong window, jint swapAction)
{
XdbeSwapInfo swapInfo;
AWT_LOCK();
XdbeBeginIdiom(awt_display);
swapInfo.swap_window = (Window)window;
swapInfo.swap_action = (XdbeSwapAction)swapAction;
if (!XdbeSwapBuffers(awt_display, &swapInfo, 1)) {
JNU_ThrowInternalError(env, "Could not swap buffers");
}
XdbeEndIdiom(awt_display);
AWT_FLUSH_UNLOCK();
}
/*
* Class: sun_awt_X11GraphicsConfig
* Method: isTranslucencyCapable
* Signature: (J)V
*/
JNIEXPORT jboolean JNICALL
Java_sun_awt_X11GraphicsConfig_isTranslucencyCapable
(JNIEnv *env, jobject this, jlong configData)
{
#ifdef HEADLESS
return JNI_FALSE;
#else
AwtGraphicsConfigDataPtr aData = (AwtGraphicsConfigDataPtr)jlong_to_ptr(configData);
if (aData == NULL) {
return JNI_FALSE;
}
return (jboolean)aData->isTranslucencySupported;
#endif
}
/*
* Class: sun_awt_X11GraphicsDevice
* Method: isDBESupported
* Signature: ()Z
*/
JNIEXPORT jboolean JNICALL
Java_sun_awt_X11GraphicsDevice_isDBESupported(JNIEnv *env, jobject this)
{
#ifdef HEADLESS
return JNI_FALSE;
#else
int opcode = 0, firstEvent = 0, firstError = 0;
jboolean ret;
AWT_LOCK();
ret = (jboolean)XQueryExtension(awt_display, "DOUBLE-BUFFER",
&opcode, &firstEvent, &firstError);
AWT_FLUSH_UNLOCK();
return ret;
#endif /* !HEADLESS */
}
/*
* Class: sun_awt_X11GraphicsDevice
* Method: getDoubleBufferVisuals
* Signature: (I)V
*/
JNIEXPORT void JNICALL
Java_sun_awt_X11GraphicsDevice_getDoubleBufferVisuals(JNIEnv *env,
jobject this, jint screen)
{
#ifndef HEADLESS
jclass clazz;
jmethodID midAddVisual;
Window rootWindow;
int i, n = 1;
XdbeScreenVisualInfo* visScreenInfo;
int xinawareScreen;
if (usingXinerama) {
xinawareScreen = 0;
}
else {
xinawareScreen = screen;
}
clazz = (*env)->GetObjectClass(env, this);
midAddVisual = (*env)->GetMethodID(env, clazz, "addDoubleBufferVisual",
"(I)V");
AWT_LOCK();
rootWindow = RootWindow(awt_display, xinawareScreen);
visScreenInfo = XdbeGetVisualInfo(awt_display, &rootWindow, &n);
if (visScreenInfo == NULL) {
JNU_ThrowInternalError(env, "Could not get visual info");
AWT_UNLOCK();
return;
}
AWT_FLUSH_UNLOCK();
for (i = 0; i < visScreenInfo->count; i++) {
XdbeVisualInfo* visInfo = visScreenInfo->visinfo;
(*env)->CallVoidMethod(env, this, midAddVisual, (visInfo[i]).visual);
}
#endif /* !HEADLESS */
}
/*
* Class: sun_awt_X11GraphicsEnvironment
* Method: pRunningXinerama
* Signature: ()Z
*/
JNIEXPORT jboolean JNICALL
Java_sun_awt_X11GraphicsEnvironment_pRunningXinerama(JNIEnv *env,
jobject this)
{
#ifdef HEADLESS
return false;
#else
return usingXinerama;
#endif /* HEADLESS */
}
/*
* Can return NULL.
*
* Class: sun_awt_X11GraphicsEnvironment
* Method: getXineramaCenterPoint
* Signature: ()Ljava/awt/Point
*/
JNIEXPORT jobject JNICALL
Java_sun_awt_X11GraphicsEnvironment_getXineramaCenterPoint(JNIEnv *env,
jobject this)
{
jobject point = NULL;
#ifndef HEADLESS /* return NULL in HEADLESS, Linux */
#if !defined(__linux__) && !defined(MACOSX)
int x,y;
AWT_LOCK();
DASSERT(usingXinerama);
if (XineramaSolarisCenterFunc != NULL) {
(XineramaSolarisCenterFunc)(awt_display, 0, &x, &y);
point = JNU_NewObjectByName(env, "java/awt/Point","(II)V", x, y);
DASSERT(point);
} else {
DTRACE_PRINTLN("unable to call XineramaSolarisCenterFunc: symbol is null");
}
AWT_FLUSH_UNLOCK();
#endif /* __linux __ || MACOSX */
#endif /* HEADLESS */
return point;
}
/**
* Begin DisplayMode/FullScreen support
*/
#ifndef HEADLESS
#define BIT_DEPTH_MULTI java_awt_DisplayMode_BIT_DEPTH_MULTI
#define REFRESH_RATE_UNKNOWN java_awt_DisplayMode_REFRESH_RATE_UNKNOWN
typedef Status
(*XRRQueryVersionType) (Display *dpy, int *major_versionp, int *minor_versionp);
typedef XRRScreenConfiguration*
(*XRRGetScreenInfoType)(Display *dpy, Drawable root);
typedef void
(*XRRFreeScreenConfigInfoType)(XRRScreenConfiguration *config);
typedef short*
(*XRRConfigRatesType)(XRRScreenConfiguration *config,
int sizeID, int *nrates);
typedef short
(*XRRConfigCurrentRateType)(XRRScreenConfiguration *config);
typedef XRRScreenSize*
(*XRRConfigSizesType)(XRRScreenConfiguration *config,
int *nsizes);
typedef SizeID
(*XRRConfigCurrentConfigurationType)(XRRScreenConfiguration *config,
Rotation *rotation);
typedef Status
(*XRRSetScreenConfigAndRateType)(Display *dpy,
XRRScreenConfiguration *config,
Drawable draw,
int size_index,
Rotation rotation,
short rate,
Time timestamp);
typedef Rotation
(*XRRConfigRotationsType)(XRRScreenConfiguration *config,
Rotation *current_rotation);
static XRRQueryVersionType awt_XRRQueryVersion;
static XRRGetScreenInfoType awt_XRRGetScreenInfo;
static XRRFreeScreenConfigInfoType awt_XRRFreeScreenConfigInfo;
static XRRConfigRatesType awt_XRRConfigRates;
static XRRConfigCurrentRateType awt_XRRConfigCurrentRate;
static XRRConfigSizesType awt_XRRConfigSizes;
static XRRConfigCurrentConfigurationType awt_XRRConfigCurrentConfiguration;
static XRRSetScreenConfigAndRateType awt_XRRSetScreenConfigAndRate;
static XRRConfigRotationsType awt_XRRConfigRotations;
#define LOAD_XRANDR_FUNC(f) \
do { \
awt_##f = (f##Type)dlsym(pLibRandR, #f); \
if (awt_##f == NULL) { \
J2dRlsTraceLn1(J2D_TRACE_ERROR, \
"X11GD_InitXrandrFuncs: Could not load %s", #f); \
dlclose(pLibRandR); \
return JNI_FALSE; \
} \
} while (0)
static jboolean
X11GD_InitXrandrFuncs(JNIEnv *env)
{
int rr_maj_ver = 0, rr_min_ver = 0;
void *pLibRandR = dlopen(VERSIONED_JNI_LIB_NAME("Xrandr", "2"),
RTLD_LAZY | RTLD_LOCAL);
if (pLibRandR == NULL) {
pLibRandR = dlopen(JNI_LIB_NAME("Xrandr"), RTLD_LAZY | RTLD_LOCAL);
}
if (pLibRandR == NULL) {
J2dRlsTraceLn(J2D_TRACE_ERROR,
"X11GD_InitXrandrFuncs: Could not open libXrandr.so.2");
return JNI_FALSE;
}
LOAD_XRANDR_FUNC(XRRQueryVersion);
if (!(*awt_XRRQueryVersion)(awt_display, &rr_maj_ver, &rr_min_ver)) {
J2dRlsTraceLn(J2D_TRACE_ERROR,
"X11GD_InitXrandrFuncs: XRRQueryVersion returned an error status");
dlclose(pLibRandR);
return JNI_FALSE;
}
if (usingXinerama) {
/*
* We can proceed as long as this is RANDR 1.2 or above.
* As of Xorg server 1.3 onwards the Xinerama backend may actually be
* a fake one provided by RANDR itself. See Java bug 6636469 for info.
*/
if (!(rr_maj_ver > 1 || (rr_maj_ver == 1 && rr_min_ver >= 2))) {
J2dRlsTraceLn2(J2D_TRACE_INFO, "X11GD_InitXrandrFuncs: Can't use Xrandr. "
"Xinerama is active and Xrandr version is %d.%d",
rr_maj_ver, rr_min_ver);
dlclose(pLibRandR);
return JNI_FALSE;
}
/*
* REMIND: Fullscreen mode doesn't work quite right with multi-monitor
* setups and RANDR 1.2. So for now we also require a single screen.
*/
if (awt_numScreens > 1 ) {
J2dRlsTraceLn(J2D_TRACE_INFO, "X11GD_InitXrandrFuncs: Can't use Xrandr. "
"Multiple screens in use");
dlclose(pLibRandR);
return JNI_FALSE;
}
}
LOAD_XRANDR_FUNC(XRRGetScreenInfo);
LOAD_XRANDR_FUNC(XRRFreeScreenConfigInfo);
LOAD_XRANDR_FUNC(XRRConfigRates);
LOAD_XRANDR_FUNC(XRRConfigCurrentRate);
LOAD_XRANDR_FUNC(XRRConfigSizes);
LOAD_XRANDR_FUNC(XRRConfigCurrentConfiguration);
LOAD_XRANDR_FUNC(XRRSetScreenConfigAndRate);
LOAD_XRANDR_FUNC(XRRConfigRotations);
return JNI_TRUE;
}
static jobject
X11GD_CreateDisplayMode(JNIEnv *env, jint width, jint height,
jint bitDepth, jint refreshRate)
{
jclass displayModeClass;
jmethodID cid;
jint validRefreshRate = refreshRate;
displayModeClass = (*env)->FindClass(env, "java/awt/DisplayMode");
if (JNU_IsNull(env, displayModeClass)) {
JNU_ThrowInternalError(env,
"Could not get display mode class");
return NULL;
}
cid = (*env)->GetMethodID(env, displayModeClass, "<init>", "(IIII)V");
if (cid == NULL) {
JNU_ThrowInternalError(env,
"Could not get display mode constructor");
return NULL;
}
// early versions of xrandr may report "empty" rates (6880694)
if (validRefreshRate <= 0) {
validRefreshRate = REFRESH_RATE_UNKNOWN;
}
return (*env)->NewObject(env, displayModeClass, cid,
width, height, bitDepth, validRefreshRate);
}
static void
X11GD_AddDisplayMode(JNIEnv *env, jobject arrayList,
jint width, jint height,
jint bitDepth, jint refreshRate)
{
jobject displayMode = X11GD_CreateDisplayMode(env, width, height,
bitDepth, refreshRate);
if (!JNU_IsNull(env, displayMode)) {
jclass arrayListClass;
jmethodID mid;
arrayListClass = (*env)->GetObjectClass(env, arrayList);
if (JNU_IsNull(env, arrayListClass)) {
JNU_ThrowInternalError(env,
"Could not get class java.util.ArrayList");
return;
}
mid = (*env)->GetMethodID(env, arrayListClass, "add",
"(Ljava/lang/Object;)Z");
if (mid == NULL) {
JNU_ThrowInternalError(env,
"Could not get method java.util.ArrayList.add()");
return;
}
(*env)->CallObjectMethod(env, arrayList, mid, displayMode);
(*env)->DeleteLocalRef(env, displayMode);
}
}
static void
X11GD_SetFullscreenMode(Window win, jboolean enabled)
{
Atom wmState = XInternAtom(awt_display, "_NET_WM_STATE", False);
Atom wmStateFs = XInternAtom(awt_display,
"_NET_WM_STATE_FULLSCREEN", False);
Window root, parent, *children = NULL;
unsigned int numchildren;
XEvent event;
Status status;
if (wmState == None || wmStateFs == None) {
return;
}
/*
* Note: the Window passed to this method is typically the "content
* window" of the top-level, but we need the actual shell window for
* the purposes of constructing the XEvent. Therefore, we walk up the
* window hierarchy here to find the true top-level.
*/
do {
if (!XQueryTree(awt_display, win,
&root, &parent,
&children, &numchildren))
{
return;
}
if (children != NULL) {
XFree(children);
}
if (parent == root) {
break;
}
win = parent;
} while (root != parent);
memset(&event, 0, sizeof(event));
event.xclient.type = ClientMessage;
event.xclient.message_type = wmState;
event.xclient.display = awt_display;
event.xclient.window = win;
event.xclient.format = 32;
event.xclient.data.l[0] = enabled ? 1 : 0; // 1==add, 0==remove
event.xclient.data.l[1] = wmStateFs;
XSendEvent(awt_display, root, False,
SubstructureRedirectMask | SubstructureNotifyMask,
&event);
XSync(awt_display, False);
}
#endif /* !HEADLESS */
/*
* Class: sun_awt_X11GraphicsDevice
* Method: initXrandrExtension
* Signature: ()Z
*/
JNIEXPORT jboolean JNICALL
Java_sun_awt_X11GraphicsDevice_initXrandrExtension
(JNIEnv *env, jclass x11gd)
{
#ifdef HEADLESS
return JNI_FALSE;
#else
int opcode = 0, firstEvent = 0, firstError = 0;
jboolean ret;
AWT_LOCK();
ret = (jboolean)XQueryExtension(awt_display, "RANDR",
&opcode, &firstEvent, &firstError);
if (ret) {
ret = X11GD_InitXrandrFuncs(env);
}
AWT_FLUSH_UNLOCK();
return ret;
#endif /* HEADLESS */
}
/*
* Class: sun_awt_X11GraphicsDevice
* Method: getCurrentDisplayMode
* Signature: (I)Ljava/awt/DisplayMode;
*/
JNIEXPORT jobject JNICALL
Java_sun_awt_X11GraphicsDevice_getCurrentDisplayMode
(JNIEnv* env, jclass x11gd, jint screen)
{
#ifdef HEADLESS
return NULL;
#else
XRRScreenConfiguration *config;
jobject displayMode = NULL;
AWT_LOCK();
config = awt_XRRGetScreenInfo(awt_display,
RootWindow(awt_display, screen));
if (config != NULL) {
Rotation rotation;
short curRate;
SizeID curSizeIndex;
XRRScreenSize *sizes;
int nsizes;
curSizeIndex = awt_XRRConfigCurrentConfiguration(config, &rotation);
sizes = awt_XRRConfigSizes(config, &nsizes);
curRate = awt_XRRConfigCurrentRate(config);
if ((sizes != NULL) &&
(curSizeIndex < nsizes))
{
XRRScreenSize curSize = sizes[curSizeIndex];
displayMode = X11GD_CreateDisplayMode(env,
curSize.width,
curSize.height,
BIT_DEPTH_MULTI,
curRate);
}
awt_XRRFreeScreenConfigInfo(config);
}
AWT_FLUSH_UNLOCK();
return displayMode;
#endif /* HEADLESS */
}
/*
* Class: sun_awt_X11GraphicsDevice
* Method: enumDisplayModes
* Signature: (ILjava/util/ArrayList;)V
*/
JNIEXPORT void JNICALL
Java_sun_awt_X11GraphicsDevice_enumDisplayModes
(JNIEnv* env, jclass x11gd,
jint screen, jobject arrayList)
{
#ifndef HEADLESS
XRRScreenConfiguration *config;
AWT_LOCK();
config = awt_XRRGetScreenInfo(awt_display,
RootWindow(awt_display, screen));
if (config != NULL) {
int nsizes, i, j;
XRRScreenSize *sizes = awt_XRRConfigSizes(config, &nsizes);
if (sizes != NULL) {
for (i = 0; i < nsizes; i++) {
int nrates;
XRRScreenSize size = sizes[i];
short *rates = awt_XRRConfigRates(config, i, &nrates);
for (j = 0; j < nrates; j++) {
X11GD_AddDisplayMode(env, arrayList,
size.width,
size.height,
BIT_DEPTH_MULTI,
rates[j]);
}
}
}
awt_XRRFreeScreenConfigInfo(config);
}
AWT_FLUSH_UNLOCK();
#endif /* !HEADLESS */
}
/*
* Class: sun_awt_X11GraphicsDevice
* Method: configDisplayMode
* Signature: (IIII)V
*/
JNIEXPORT void JNICALL
Java_sun_awt_X11GraphicsDevice_configDisplayMode
(JNIEnv* env, jclass x11gd,
jint screen, jint width, jint height, jint refreshRate)
{
#ifndef HEADLESS
jboolean success = JNI_FALSE;
XRRScreenConfiguration *config;
Drawable root;
Rotation currentRotation = RR_Rotate_0;
AWT_LOCK();
root = RootWindow(awt_display, screen);
config = awt_XRRGetScreenInfo(awt_display, root);
if (config != NULL) {
jboolean foundConfig = JNI_FALSE;
int chosenSizeIndex = -1;
short chosenRate = -1;
int nsizes;
XRRScreenSize *sizes = awt_XRRConfigSizes(config, &nsizes);
awt_XRRConfigRotations(config, ¤tRotation);
if (sizes != NULL) {
int i, j;
/* find the size index that matches the requested dimensions */
for (i = 0; i < nsizes; i++) {
XRRScreenSize size = sizes[i];
if ((size.width == width) && (size.height == height)) {
/* we've found our size index... */
int nrates;
short *rates = awt_XRRConfigRates(config, i, &nrates);
/* now find rate that matches requested refresh rate */
for (j = 0; j < nrates; j++) {
if (rates[j] == refreshRate) {
/* we've found our rate; break out of the loop */
chosenSizeIndex = i;
chosenRate = rates[j];
foundConfig = JNI_TRUE;
break;
}
}
break;
}
}
}
if (foundConfig) {
Status status =
awt_XRRSetScreenConfigAndRate(awt_display, config, root,
chosenSizeIndex,
currentRotation,
chosenRate,
CurrentTime);
/* issue XSync to ensure immediate mode change */
XSync(awt_display, False);
if (status == RRSetConfigSuccess) {
success = JNI_TRUE;
}
}
awt_XRRFreeScreenConfigInfo(config);
}
AWT_FLUSH_UNLOCK();
if (!success) {
JNU_ThrowInternalError(env, "Could not set display mode");
}
#endif /* !HEADLESS */
}
/*
* Class: sun_awt_X11GraphicsDevice
* Method: enterFullScreenExclusive
* Signature: (J)V
*/
JNIEXPORT void JNICALL
Java_sun_awt_X11GraphicsDevice_enterFullScreenExclusive
(JNIEnv* env, jclass x11gd,
jlong window)
{
#ifndef HEADLESS
Window win = (Window)window;
AWT_LOCK();
XSync(awt_display, False); /* ensures window is visible first */
X11GD_SetFullscreenMode(win, JNI_TRUE);
AWT_UNLOCK();
#endif /* !HEADLESS */
}
/*
* Class: sun_awt_X11GraphicsDevice
* Method: exitFullScreenExclusive
* Signature: (J)V
*/
JNIEXPORT void JNICALL
Java_sun_awt_X11GraphicsDevice_exitFullScreenExclusive
(JNIEnv* env, jclass x11gd,
jlong window)
{
#ifndef HEADLESS
Window win = (Window)window;
AWT_LOCK();
X11GD_SetFullscreenMode(win, JNI_FALSE);
AWT_UNLOCK();
#endif /* !HEADLESS */
}
/**
* End DisplayMode/FullScreen support
*/
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