From dd43611b970909e74465023180b754e6d48add93 Mon Sep 17 00:00:00 2001 From: Janusz Lewandowski Date: Thu, 19 May 2011 16:21:40 +0200 Subject: Lighthouse xcb and xlib: Add support for transparency of GLX windows. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Merge-request: 1231 Reviewed-by: Samuel Rødal (cherry picked from commit a3b627e1c5ce03a2500ab35c64729b1995639dcc) --- src/plugins/platforms/xlib/qxlibintegration.cpp | 2 +- src/plugins/platforms/xlib/qxlibwindow.cpp | 13 +++++++++++-- src/plugins/platforms/xlib/qxlibwindow.h | 8 ++++++++ src/plugins/platforms/xlib/qxlibwindowsurface.cpp | 13 ++++++------- 4 files changed, 26 insertions(+), 10 deletions(-) (limited to 'src/plugins/platforms/xlib') diff --git a/src/plugins/platforms/xlib/qxlibintegration.cpp b/src/plugins/platforms/xlib/qxlibintegration.cpp index 78f907abd2..b0c8bc9560 100644 --- a/src/plugins/platforms/xlib/qxlibintegration.cpp +++ b/src/plugins/platforms/xlib/qxlibintegration.cpp @@ -150,7 +150,7 @@ bool QXlibIntegration::hasOpenGL() const { #if !defined(QT_NO_OPENGL) #if !defined(QT_OPENGL_ES_2) - QXlibScreen *screen = static_cast(mScreens.at(0)); + QXlibScreen *screen = static_cast(mScreens.at(0)); return glXQueryExtension(screen->display()->nativeDisplay(), 0, 0) != 0; #else static bool eglHasbeenInitialized = false; diff --git a/src/plugins/platforms/xlib/qxlibwindow.cpp b/src/plugins/platforms/xlib/qxlibwindow.cpp index 90bcc0d9d5..4efcb1101c 100644 --- a/src/plugins/platforms/xlib/qxlibwindow.cpp +++ b/src/plugins/platforms/xlib/qxlibwindow.cpp @@ -102,18 +102,27 @@ QXlibWindow::QXlibWindow(QWidget *window) visualInfo = XGetVisualInfo(mScreen->display()->nativeDisplay(), VisualIDMask, &visualInfoTemplate, &matchingCount); #endif //!defined(QT_OPENGL_ES_2) if (visualInfo) { - Colormap cmap = XCreateColormap(mScreen->display()->nativeDisplay(),mScreen->rootWindow(),visualInfo->visual,AllocNone); + mDepth = visualInfo->depth; + mFormat = (mDepth == 32) ? QImage::Format_ARGB32_Premultiplied : QImage::Format_RGB32; + mVisual = visualInfo->visual; + Colormap cmap = XCreateColormap(mScreen->display()->nativeDisplay(), mScreen->rootWindow(), visualInfo->visual, AllocNone); XSetWindowAttributes a; + a.background_pixel = WhitePixel(mScreen->display()->nativeDisplay(), mScreen->xScreenNumber()); + a.border_pixel = BlackPixel(mScreen->display()->nativeDisplay(), mScreen->xScreenNumber()); a.colormap = cmap; x_window = XCreateWindow(mScreen->display()->nativeDisplay(), mScreen->rootWindow(),x, y, w, h, 0, visualInfo->depth, InputOutput, visualInfo->visual, - CWColormap, &a); + CWBackPixel|CWBorderPixel|CWColormap, &a); } else { qFatal("no window!"); } #endif //!defined(QT_NO_OPENGL) } else { + mDepth = mScreen->depth(); + mFormat = (mDepth == 32) ? QImage::Format_ARGB32_Premultiplied : QImage::Format_RGB32; + mVisual = mScreen->defaultVisual(); + x_window = XCreateSimpleWindow(mScreen->display()->nativeDisplay(), mScreen->rootWindow(), x, y, w, h, 0 /*border_width*/, mScreen->blackPixel(), mScreen->whitePixel()); diff --git a/src/plugins/platforms/xlib/qxlibwindow.h b/src/plugins/platforms/xlib/qxlibwindow.h index 08694a5026..2d11224c23 100644 --- a/src/plugins/platforms/xlib/qxlibwindow.h +++ b/src/plugins/platforms/xlib/qxlibwindow.h @@ -122,6 +122,10 @@ public: Window xWindow() const; GC graphicsContext() const; + inline uint depth() const { return mDepth; } + QImage::Format format() const { return mFormat; } + Visual* visual() const { return mVisual; } + protected: QVector getNetWmState() const; void setMWMHints(const QXlibMWMHints &mwmhints); @@ -135,6 +139,10 @@ private: Window x_window; GC gc; + uint mDepth; + QImage::Format mFormat; + Visual* mVisual; + GC createGC(); QPlatformGLContext *mGLContext; diff --git a/src/plugins/platforms/xlib/qxlibwindowsurface.cpp b/src/plugins/platforms/xlib/qxlibwindowsurface.cpp index 513f10dc6a..78fe387bb8 100644 --- a/src/plugins/platforms/xlib/qxlibwindowsurface.cpp +++ b/src/plugins/platforms/xlib/qxlibwindowsurface.cpp @@ -80,20 +80,19 @@ void QXlibShmImageInfo::destroy() void QXlibWindowSurface::resizeShmImage(int width, int height) { + QXlibScreen *screen = QXlibScreen::testLiteScreenForWidget(window()); + QXlibWindow *win = static_cast(window()->platformWindow()); #ifdef DONT_USE_MIT_SHM - shm_img = QImage(width, height, QImage::Format_RGB32); + shm_img = QImage(width, height, win->format()); #else - QXlibScreen *screen = QXlibScreen::testLiteScreenForWidget(window()); if (image_info) image_info->destroy(); else image_info = new QXlibShmImageInfo(screen->display()->nativeDisplay()); - Visual *visual = screen->defaultVisual(); - - XImage *image = XShmCreateImage (screen->display()->nativeDisplay(), visual, 24, ZPixmap, 0, + XImage *image = XShmCreateImage (screen->display()->nativeDisplay(), win->visual(), win->depth(), ZPixmap, 0, &image_info->shminfo, width, height); @@ -160,11 +159,11 @@ void QXlibWindowSurface::flush(QWidget *widget, const QRegion ®ion, const QPo #ifdef DONT_USE_MIT_SHM // just convert the image every time... if (!shm_img.isNull()) { - Visual *visual = DefaultVisual(screen->display(), screen->xScreenNumber()); + QXlibWindow *win = static_cast(window()->platformWindow()); QImage image = shm_img; //img.convertToFormat( - XImage *xi = XCreateImage(screen->display(), visual, 24, ZPixmap, + XImage *xi = XCreateImage(screen->display(), win->visual(), win->depth(), ZPixmap, 0, (char *) image.scanLine(0), image.width(), image.height(), 32, image.bytesPerLine()); -- cgit v1.2.3