/**
* Queries all the available modes in the display configuration.
*/
RRInfo() : _numSizes(0)
{
_conf = XRRGetScreenInfo(QX11Info::display(), QX11Info::appRootWindow());
if(!_conf) return; // Not available.
// Let's see which modes are available.
_sizes = XRRConfigSizes(_conf, &_numSizes);
for(int i = 0; i < _numSizes; ++i)
{
int numRates = 0;
short* rates = XRRConfigRates(_conf, i, &numRates);
for(int k = 0; k < numRates; k++)
{
DisplayMode mode;
de::zap(mode);
mode.width = _sizes[i].width;
mode.height = _sizes[i].height;
mode.depth = displayDepth;
mode.refreshRate = rates[k];
_modes.push_back(mode);
}
}
::Time prevConfTime;
_confTime = XRRConfigTimes(_conf, &prevConfTime);
}
int find(const DisplayMode* mode) const
{
for(int i = 0; i < _numSizes; ++i)
{
int numRates = 0;
short* rates = XRRConfigRates(_conf, i, &numRates);
for(int k = 0; k < numRates; k++)
{
if(rateFromMode(mode) == rates[k] &&
mode->width == _sizes[i].width &&
mode->height == _sizes[i].height)
{
// This is the one.
return i;
}
}
}
return -1;
}
void QxtScreenPrivate::init_sys()
{
#ifdef HAVE_XRANDR
Display* display = XOpenDisplay(NULL);
Window root = RootWindow(display, screen);
XRRScreenConfiguration* config = XRRGetScreenInfo(display, root);
// available resolutions & rates
if (availResos.isEmpty() || availRates.isEmpty())
{
availResos.clear();
availRates.clear();
int sizeCount = 0;
XRRScreenSize* sizes = XRRSizes(display, 0, &sizeCount);
for (int i = 0; i < sizeCount; ++i)
{
QSize reso(sizes[i].width, sizes[i].height);
if (!availResos.contains(reso))
availResos += reso;
int rateCount = 0;
short* rates = XRRConfigRates(config, i, &rateCount);
for (int j = 0; j < rateCount; ++j)
availRates.insertMulti(reso, rates[j]);
}
}
// current resolution & rate
if (!currReso.isValid() || currRate < 0)
{
Rotation rotation;
SizeID sizeId = XRRConfigCurrentConfiguration(config, &rotation);
currReso = availResos.at(sizeId);
currRate = XRRConfigCurrentRate(config);
}
XRRFreeScreenConfigInfo(config);
XCloseDisplay(display);
#endif // HAVE_XRANDR
}
XRandRToggler::XRandRToggler() :
config(XRRGetScreenInfo(QX11Info::display(), QX11Info::appRootWindow())),
originalResIndex(0),
fullResIndex(0),
rotation(0),
fullRateIndex(0),
originalRate(0),
isFull(false)
{
fullResIndex = originalResIndex = XRRConfigCurrentConfiguration(config, &rotation);
originalRate = XRRConfigCurrentRate(config);
int nSizes;
XRRScreenSize *randrSizes = XRRConfigSizes(config, &nSizes);
for (int i = 0; i < nSizes; ++i) {
ResInfo info;
info.w = randrSizes[i].width;
info.h = randrSizes[i].height;
int nHz;
short *rates = XRRConfigRates(config, i, &nHz);
for (int j = 0; j < nHz; ++j)
info.rates.push_back(rates[j] * 10);
infoVector.push_back(info);
}
{
unsigned i = 0;
while (i < infoVector[fullResIndex].rates.size() && infoVector[fullResIndex].rates[i] != originalRate * 10)
++i;
if (i == infoVector[fullResIndex].rates.size())
infoVector[fullResIndex].rates.push_back(originalRate * 10);
fullRateIndex = i;
}
}
X11EGLSupport::X11EGLSupport()
{
mNativeDisplay = getNativeDisplay();
mGLDisplay = getGLDisplay();
int dummy;
if (XQueryExtension((Display*)mNativeDisplay, "RANDR", &dummy, &dummy, &dummy))
{
XRRScreenConfiguration *screenConfig;
mRandr = true;
screenConfig = XRRGetScreenInfo((Display*)mNativeDisplay, DefaultRootWindow((Display*)mNativeDisplay));
if (screenConfig)
{
XRRScreenSize *screenSizes;
int nSizes = 0;
Rotation currentRotation;
int currentSizeID = XRRConfigCurrentConfiguration(screenConfig, ¤tRotation);
screenSizes = XRRConfigSizes(screenConfig, &nSizes);
mCurrentMode.first.first = screenSizes[currentSizeID].width;
mCurrentMode.first.second = screenSizes[currentSizeID].height;
mCurrentMode.second = XRRConfigCurrentRate(screenConfig);
mOriginalMode = mCurrentMode;
for (int sizeID = 0; sizeID < nSizes; sizeID++)
{
short *rates;
int nRates = 0;
rates = XRRConfigRates(screenConfig, sizeID, &nRates);
for (int rate = 0; rate < nRates; rate++)
{
VideoMode mode;
mode.first.first = screenSizes[sizeID].width;
mode.first.second = screenSizes[sizeID].height;
mode.second = rates[rate];
mVideoModes.push_back(mode);
}
}
XRRFreeScreenConfigInfo(screenConfig);
}
}
else
{
mCurrentMode.first.first = DisplayWidth((Display*)mNativeDisplay, DefaultScreen(mNativeDisplay));
mCurrentMode.first.second = DisplayHeight((Display*)mNativeDisplay, DefaultScreen(mNativeDisplay));
mCurrentMode.second = 0;
mOriginalMode = mCurrentMode;
mVideoModes.push_back(mCurrentMode);
}
EGLConfig *glConfigs;
int config, nConfigs = 0;
glConfigs = chooseGLConfig(NULL, &nConfigs);
for (config = 0; config < nConfigs; config++)
{
int caveat, samples;
getGLConfigAttrib(glConfigs[config], EGL_CONFIG_CAVEAT, &caveat);
if (caveat != EGL_SLOW_CONFIG)
{
getGLConfigAttrib(glConfigs[config], EGL_SAMPLES, &samples);
mSampleLevels.push_back(StringConverter::toString(samples));
}
}
free(glConfigs);
removeDuplicates(mSampleLevels);
}
int _glfwGetClosestVideoMode(int* width, int* height, int* rate)
{
int i, match, bestmatch;
if (_glfwLibrary.X11.RandR.available)
{
#if defined(_GLFW_HAS_XRANDR)
int sizecount, bestsize;
int ratecount, bestrate;
short* ratelist;
XRRScreenConfiguration* sc;
XRRScreenSize* sizelist;
sc = XRRGetScreenInfo(_glfwLibrary.X11.display, _glfwLibrary.X11.root);
sizelist = XRRConfigSizes(sc, &sizecount);
// Find the best matching mode
bestsize = -1;
bestmatch = INT_MAX;
for (i = 0; i < sizecount; i++)
{
match = (*width - sizelist[i].width) *
(*width - sizelist[i].width) +
(*height - sizelist[i].height) *
(*height - sizelist[i].height);
if (match < bestmatch)
{
bestmatch = match;
bestsize = i;
}
}
if (bestsize != -1)
{
// Report width & height of best matching mode
*width = sizelist[bestsize].width;
*height = sizelist[bestsize].height;
if (*rate > 0)
{
ratelist = XRRConfigRates(sc, bestsize, &ratecount);
bestrate = -1;
bestmatch = INT_MAX;
for (i = 0; i < ratecount; i++)
{
match = abs(ratelist[i] - *rate);
if (match < bestmatch)
{
bestmatch = match;
bestrate = ratelist[i];
}
}
if (bestrate != -1)
*rate = bestrate;
}
}
XRRFreeScreenConfigInfo(sc);
if (bestsize != -1)
return bestsize;
#endif /*_GLFW_HAS_XRANDR*/
}
else if (_glfwLibrary.X11.VidMode.available)
{
#if defined(_GLFW_HAS_XF86VIDMODE)
XF86VidModeModeInfo** modelist;
int bestmode, modecount;
// Get a list of all available display modes
XF86VidModeGetAllModeLines(_glfwLibrary.X11.display,
_glfwLibrary.X11.screen,
&modecount, &modelist);
// Find the best matching mode
bestmode = -1;
bestmatch = INT_MAX;
for (i = 0; i < modecount; i++)
{
match = (*width - modelist[i]->hdisplay) *
(*width - modelist[i]->hdisplay) +
(*height - modelist[i]->vdisplay) *
(*height - modelist[i]->vdisplay);
if (match < bestmatch)
{
bestmatch = match;
bestmode = i;
}
}
if (bestmode != -1)
{
// Report width & height of best matching mode
*width = modelist[bestmode]->hdisplay;
*height = modelist[bestmode]->vdisplay;
}
XFree(modelist);
if (bestmode != -1)
return bestmode;
#endif /*_GLFW_HAS_XF86VIDMODE*/
}
// Default: Simply use the screen resolution
*width = DisplayWidth(_glfwLibrary.X11.display, _glfwLibrary.X11.screen);
*height = DisplayHeight(_glfwLibrary.X11.display, _glfwLibrary.X11.screen);
return 0;
}
JNIEXPORT jobjectArray JNICALL
Java_gnu_java_awt_peer_gtk_GdkScreenGraphicsDevice_nativeGetDisplayModes
(JNIEnv *env, jobject obj __attribute__((unused)), jobject gdkGraphicsEnv __attribute__((unused)))
{
#ifdef HAVE_XRANDR
GdkDisplay *display;
XRRScreenConfiguration *config;
XRRScreenSize *screenSizes;
int nsizes = 0, nrates = 0, i = 0;
jclass x11DisplayMode_class;
jmethodID x11DisplayMode_ctor;
jobjectArray array;
jobject instance;
short *rates;
jshortArray shortArray;
display = (GdkDisplay *) NSA_GET_DISPLAY_PTR(env, gdkGraphicsEnv);
gdk_threads_enter();
config = XRRGetScreenInfo (GDK_DISPLAY_XDISPLAY(display), GDK_ROOT_WINDOW());
screenSizes = XRRConfigSizes(config, &nsizes);
x11DisplayMode_class = (*env)->FindClass(env, "gnu/java/awt/peer/gtk/GdkScreenGraphicsDevice$X11DisplayMode");
x11DisplayMode_ctor = (*env)->GetMethodID(env, x11DisplayMode_class, "<init>", "(II[S)V");
array = (*env)->NewObjectArray(env, nsizes, x11DisplayMode_class, NULL);
for (; i < nsizes ; i++)
{
/* Retrieves refresh rate information. */
rates = XRRConfigRates(config, i, &nrates);
/* Create a Java short array and put them in. */
shortArray = (*env)->NewShortArray(env, nrates);
(*env)->SetShortArrayRegion(env, shortArray, 0, nrates, (jshort *) rates);
/* Create a GdkScreenGraphicsDevice.X11DisplayMode instance. */
instance = (*env)->NewObject(env,
x11DisplayMode_class,
x11DisplayMode_ctor,
screenSizes[i].width,
screenSizes[i].height,
shortArray);
/* Put it into the result array. */
(*env)->SetObjectArrayElement(env, array, i, instance);
}
/* Free everything acquired by xlib. */
XRRFreeScreenConfigInfo (config);
gdk_threads_leave();
return array;
#else
JCL_ThrowException(env,
"java/lang/InternalError",
"Method should not have been invoked.");
return NULL;
#endif
}
//-------------------------------------------------------------------------------------------------//
GLXGLSupport::GLXGLSupport() : mGLDisplay(0), mXDisplay(0)
{
// A connection that might be shared with the application for GL rendering:
mGLDisplay = getGLDisplay();
// A connection that is NOT shared to enable independent event processing:
mXDisplay = getXDisplay();
int dummy;
if (XQueryExtension(mXDisplay, "RANDR", &dummy, &dummy, &dummy))
{
XRRScreenConfiguration *screenConfig;
screenConfig = XRRGetScreenInfo(mXDisplay, DefaultRootWindow(mXDisplay));
if (screenConfig)
{
XRRScreenSize *screenSizes;
int nSizes = 0;
Rotation currentRotation;
int currentSizeID = XRRConfigCurrentConfiguration(screenConfig, ¤tRotation);
screenSizes = XRRConfigSizes(screenConfig, &nSizes);
mCurrentMode.first.first = screenSizes[currentSizeID].width;
mCurrentMode.first.second = screenSizes[currentSizeID].height;
mCurrentMode.second = XRRConfigCurrentRate(screenConfig);
mOriginalMode = mCurrentMode;
for(int sizeID = 0; sizeID < nSizes; sizeID++)
{
short *rates;
int nRates = 0;
rates = XRRConfigRates(screenConfig, sizeID, &nRates);
for (int rate = 0; rate < nRates; rate++)
{
VideoMode mode;
mode.first.first = screenSizes[sizeID].width;
mode.first.second = screenSizes[sizeID].height;
mode.second = rates[rate];
mVideoModes.push_back(mode);
}
}
XRRFreeScreenConfigInfo(screenConfig);
}
}
else
{
mCurrentMode.first.first = DisplayWidth(mXDisplay, DefaultScreen(mXDisplay));
mCurrentMode.first.second = DisplayHeight(mXDisplay, DefaultScreen(mXDisplay));
mCurrentMode.second = 0;
mOriginalMode = mCurrentMode;
mVideoModes.push_back(mCurrentMode);
}
GLXFBConfig *fbConfigs;
int config, nConfigs = 0;
fbConfigs = chooseFBConfig(NULL, &nConfigs);
for (config = 0; config < nConfigs; config++)
{
int caveat, samples;
getFBConfigAttrib (fbConfigs[config], GLX_CONFIG_CAVEAT, &caveat);
if (caveat != GLX_SLOW_CONFIG)
{
getFBConfigAttrib (fbConfigs[config], GLX_SAMPLES, &samples);
mSampleLevels.push_back(StringConverter::toString(samples));
}
}
XFree (fbConfigs);
remove_duplicates(mSampleLevels);
}
static int xrandr_resize(int xsz, int ysz, int rate, int just_checking)
{
#ifdef HAVE_X11_EXTENSIONS_XRANDR_H
int event_base, error_base, ver_major, ver_minor, use_rate;
XRRScreenConfiguration *xrr_config = 0;
Status result = -1;
/* must check at runtime for the availability of the extension */
if(!XRRQueryExtension(fgDisplay.Display, &event_base, &error_base)) {
return -1;
}
XRRQueryVersion(fgDisplay.Display, &ver_major, &ver_minor);
/* we only heed the rate if we CAN actually use it (Xrandr >= 1.1) and
* the user actually cares about it (rate > 0)
*/
use_rate = ( rate > 0 ) && ( ( ver_major >= 1 ) ||
( ( ver_major == 1 ) && ( ver_minor >= 1 ) ) );
/* this loop is only so that the whole thing will be repeated if someone
* else changes video mode between our query of the current information and
* the attempt to change it.
*/
do {
XRRScreenSize *ssizes;
short *rates;
Rotation rot;
int i, ssizes_count, rates_count, curr, res_idx = -1;
Time timestamp, cfg_timestamp;
if(xrr_config) {
XRRFreeScreenConfigInfo(xrr_config);
}
if(!(xrr_config = XRRGetScreenInfo(fgDisplay.Display, fgDisplay.RootWindow))) {
fgWarning("XRRGetScreenInfo failed");
break;
}
ssizes = XRRConfigSizes(xrr_config, &ssizes_count);
curr = XRRConfigCurrentConfiguration(xrr_config, &rot);
timestamp = XRRConfigTimes(xrr_config, &cfg_timestamp);
/* if either of xsz or ysz are unspecified, use the current values */
if(xsz <= 0)
xsz = fgState.GameModeSize.X = ssizes[curr].width;
if(ysz <= 0)
ysz = fgState.GameModeSize.Y = ssizes[curr].height;
if(xsz == ssizes[curr].width && ysz == ssizes[curr].height) {
/* no need to switch, we're already in the requested resolution */
res_idx = curr;
} else {
for(i=0; i<ssizes_count; i++) {
if(ssizes[i].width == xsz && ssizes[i].height == ysz) {
res_idx = i;
break; /* found it */
}
}
}
if(res_idx == -1)
break; /* no matching resolution */
#if ( RANDR_MAJOR >= 1 ) || ( ( RANDR_MAJOR == 1 ) && ( RANDR_MINOR >= 1 ) )
if(use_rate) {
rate = fgState.GameModeRefresh;
/* for the selected resolution, let's find out if there is
* a matching refresh rate available.
*/
rates = XRRConfigRates(xrr_config, res_idx, &rates_count);
for(i=0; i<rates_count; i++) {
if(rates[i] == rate) {
break;
}
}
if(i == rates_count) {
break; /* no matching rate */
}
}
#endif
if(just_checking) {
result = 0;
break;
}
#if ( RANDR_MAJOR >= 1 ) || ( ( RANDR_MAJOR == 1 ) && ( RANDR_MINOR >= 1 ) )
if(use_rate)
result = XRRSetScreenConfigAndRate(fgDisplay.Display, xrr_config,
fgDisplay.RootWindow, res_idx, rot, rate, timestamp);
else
#endif
result = XRRSetScreenConfig(fgDisplay.Display, xrr_config,
fgDisplay.RootWindow, res_idx, rot, timestamp);
} while(result == RRSetConfigInvalidTime);
if(xrr_config) {
XRRFreeScreenConfigInfo(xrr_config);
}
if(result == 0) {
return 0;
}
#endif /* HAVE_X11_EXTENSIONS_XRANDR_H */
return -1;
}