1089 lines
41 KiB
C++
1089 lines
41 KiB
C++
/********************************************************************
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KWin - the KDE window manager
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This file is part of the KDE project.
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Copyright (C) 2006 Lubos Lunak <l.lunak@kde.org>
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Copyright (C) 2009 Fredrik Höglund <fredrik@kde.org>
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Copyright (C) 2013 Martin Gräßlin <mgraesslin@kde.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************/
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#include "scene_xrender.h"
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#ifdef KWIN_HAVE_XRENDER_COMPOSITING
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#include "toplevel.h"
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#include "client.h"
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#include "decorations.h"
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#include "deleted.h"
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#include "effects.h"
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#include "overlaywindow.h"
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#include "paintredirector.h"
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#include "xcbutils.h"
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#include "kwinxrenderutils.h"
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#include <xcb/xfixes.h>
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#include <QtGui/QPainter>
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#include <qmath.h>
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namespace KWin
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{
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//****************************************
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// SceneXrender
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//****************************************
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xcb_render_picture_t SceneXrender::buffer = XCB_RENDER_PICTURE_NONE;
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ScreenPaintData SceneXrender::screen_paint;
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static xcb_render_pictformat_t findFormatForVisual(xcb_visualid_t visual)
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{
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static QHash<xcb_visualid_t, xcb_render_pictformat_t> s_cache;
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if (xcb_render_pictformat_t format = s_cache.value(visual, 0)) {
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return format;
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}
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if (!s_cache.isEmpty()) {
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return 0;
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}
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ScopedCPointer<xcb_render_query_pict_formats_reply_t> formats(xcb_render_query_pict_formats_reply(
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connection(), xcb_render_query_pict_formats_unchecked(connection()), NULL));
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if (!formats) {
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return 0;
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}
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int screen = QX11Info::appScreen();
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for (xcb_render_pictscreen_iterator_t sit = xcb_render_query_pict_formats_screens_iterator(formats.data());
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sit.rem;
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--screen, xcb_render_pictscreen_next(&sit)) {
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if (screen != 0) {
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continue;
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}
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for (xcb_render_pictdepth_iterator_t dit = xcb_render_pictscreen_depths_iterator(sit.data);
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dit.rem;
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xcb_render_pictdepth_next(&dit)) {
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for (xcb_render_pictvisual_iterator_t vit = xcb_render_pictdepth_visuals_iterator(dit.data);
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vit.rem;
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xcb_render_pictvisual_next(&vit)) {
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s_cache.insert(vit.data->visual, vit.data->format);
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}
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}
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}
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return s_cache.value(visual, 0);
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}
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SceneXrender::SceneXrender(Workspace* ws)
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: Scene(ws)
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, format(0)
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, front(XCB_RENDER_PICTURE_NONE)
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, m_overlayWindow(new OverlayWindow())
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, init_ok(false)
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{
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if (!Xcb::Extensions::self()->isRenderAvailable()) {
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kError(1212) << "No XRender extension available";
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return;
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}
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if (!Xcb::Extensions::self()->isFixesRegionAvailable()) {
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kError(1212) << "No XFixes v3+ extension available";
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return;
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}
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initXRender(true);
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}
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SceneXrender::~SceneXrender()
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{
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if (!init_ok) {
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// TODO this probably needs to clean up whatever has been created until the failure
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m_overlayWindow->destroy();
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return;
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}
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SceneXrender::Window::cleanup();
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SceneXrender::EffectFrame::cleanup();
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xcb_render_free_picture(connection(), front);
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xcb_render_free_picture(connection(), buffer);
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buffer = XCB_RENDER_PICTURE_NONE;
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m_overlayWindow->destroy();
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foreach (Window * w, windows)
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delete w;
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delete m_overlayWindow;
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}
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void SceneXrender::initXRender(bool createOverlay)
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{
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init_ok = false;
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if (front != XCB_RENDER_PICTURE_NONE)
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xcb_render_free_picture(connection(), front);
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bool haveOverlay = createOverlay ? m_overlayWindow->create() : (m_overlayWindow->window() != XCB_WINDOW_NONE);
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if (haveOverlay) {
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m_overlayWindow->setup(XCB_WINDOW_NONE);
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ScopedCPointer<xcb_get_window_attributes_reply_t> attribs(xcb_get_window_attributes_reply(connection(),
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xcb_get_window_attributes_unchecked(connection(), m_overlayWindow->window()), NULL));
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if (!attribs) {
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kError(1212) << "Failed getting window attributes for overlay window";
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return;
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}
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format = findFormatForVisual(attribs->visual);
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if (format == 0) {
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kError(1212) << "Failed to find XRender format for overlay window";
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return;
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}
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front = xcb_generate_id(connection());
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xcb_render_create_picture(connection(), front, m_overlayWindow->window(), format, 0, NULL);
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} else {
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// create XRender picture for the root window
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format = findFormatForVisual(defaultScreen()->root_visual);
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if (format == 0) {
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kError(1212) << "Failed to find XRender format for root window";
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return; // error
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}
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front = xcb_generate_id(connection());
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const uint32_t values[] = {XCB_SUBWINDOW_MODE_INCLUDE_INFERIORS};
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xcb_render_create_picture(connection(), front, rootWindow(), format, XCB_RENDER_CP_SUBWINDOW_MODE, values);
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}
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createBuffer();
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init_ok = true;
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}
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bool SceneXrender::initFailed() const
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{
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return !init_ok;
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}
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// Create the compositing buffer. The root window is not double-buffered,
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// so it is done manually using this buffer,
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void SceneXrender::createBuffer()
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{
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if (buffer != XCB_RENDER_PICTURE_NONE)
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xcb_render_free_picture(connection(), buffer);
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xcb_pixmap_t pixmap = xcb_generate_id(connection());
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xcb_create_pixmap(connection(), Xcb::defaultDepth(), pixmap, rootWindow(), displayWidth(), displayHeight());
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buffer = xcb_generate_id(connection());
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xcb_render_create_picture(connection(), buffer, pixmap, format, 0, NULL);
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xcb_free_pixmap(connection(), pixmap); // The picture owns the pixmap now
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}
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// the entry point for painting
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qint64 SceneXrender::paint(QRegion damage, ToplevelList toplevels)
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{
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QElapsedTimer renderTimer;
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renderTimer.start();
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foreach (Toplevel * c, toplevels) {
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assert(windows.contains(c));
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stacking_order.append(windows[ c ]);
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}
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int mask = 0;
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paintScreen(&mask, &damage);
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if (m_overlayWindow->window()) // show the window only after the first pass, since
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m_overlayWindow->show(); // that pass may take long
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present(mask, damage);
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// do cleanup
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stacking_order.clear();
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return renderTimer.nsecsElapsed();
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}
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void SceneXrender::present(int mask, QRegion damage)
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{
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if (mask & PAINT_SCREEN_REGION) {
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// Use the damage region as the clip region for the root window
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XFixesRegion frontRegion(damage);
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xcb_xfixes_set_picture_clip_region(connection(), front, frontRegion, 0, 0);
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// copy composed buffer to the root window
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xcb_xfixes_set_picture_clip_region(connection(), buffer, XCB_XFIXES_REGION_NONE, 0, 0);
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xcb_render_composite(connection(), XCB_RENDER_PICT_OP_SRC, buffer, XCB_RENDER_PICTURE_NONE,
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front, 0, 0, 0, 0, 0, 0, displayWidth(), displayHeight());
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xcb_xfixes_set_picture_clip_region(connection(), front, XCB_XFIXES_REGION_NONE, 0, 0);
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xcb_flush(connection());
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} else {
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// copy composed buffer to the root window
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xcb_render_composite(connection(), XCB_RENDER_PICT_OP_SRC, buffer, XCB_RENDER_PICTURE_NONE,
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front, 0, 0, 0, 0, 0, 0, displayWidth(), displayHeight());
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xcb_flush(connection());
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}
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}
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void SceneXrender::paintGenericScreen(int mask, ScreenPaintData data)
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{
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screen_paint = data; // save, transformations will be done when painting windows
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Scene::paintGenericScreen(mask, data);
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}
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void SceneXrender::paintDesktop(int desktop, int mask, const QRegion ®ion, ScreenPaintData &data)
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{
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PaintClipper::push(region);
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KWin::Scene::paintDesktop(desktop, mask, region, data);
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PaintClipper::pop(region);
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}
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// fill the screen background
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void SceneXrender::paintBackground(QRegion region)
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{
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xcb_render_color_t col = { 0, 0, 0, 0xffff }; // black
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const QVector<xcb_rectangle_t> &rects = Xcb::regionToRects(region);
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xcb_render_fill_rectangles(connection(), XCB_RENDER_PICT_OP_SRC, buffer, col, rects.count(), rects.data());
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}
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void SceneXrender::windowGeometryShapeChanged(KWin::Toplevel* c)
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{
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if (!windows.contains(c)) // this is ok, shape is not valid by default
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return;
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Window* w = windows[ c ];
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w->discardPicture();
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w->discardShape();
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}
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void SceneXrender::windowOpacityChanged(KWin::Toplevel* c)
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{
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Q_UNUSED(c)
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}
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void SceneXrender::windowClosed(KWin::Toplevel* c, KWin::Deleted* deleted)
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{
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assert(windows.contains(c));
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if (deleted != NULL) {
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// replace c with deleted
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Window* w = windows.take(c);
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w->updateToplevel(deleted);
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if (w->shadow()) {
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w->shadow()->setToplevel(deleted);
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}
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windows[ deleted ] = w;
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} else {
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delete windows.take(c);
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c->effectWindow()->setSceneWindow(NULL);
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}
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}
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void SceneXrender::windowDeleted(Deleted* c)
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{
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assert(windows.contains(c));
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delete windows.take(c);
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c->effectWindow()->setSceneWindow(NULL);
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}
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void SceneXrender::windowAdded(Toplevel* c)
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{
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assert(!windows.contains(c));
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windows[ c ] = new Window(c);
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connect(c, SIGNAL(geometryShapeChanged(KWin::Toplevel*,QRect)), SLOT(windowGeometryShapeChanged(KWin::Toplevel*)));
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connect(c, SIGNAL(windowClosed(KWin::Toplevel*,KWin::Deleted*)), SLOT(windowClosed(KWin::Toplevel*,KWin::Deleted*)));
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c->effectWindow()->setSceneWindow(windows[ c ]);
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c->getShadow();
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windows[ c ]->updateShadow(c->shadow());
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}
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//****************************************
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// SceneXrender::Window
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//****************************************
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XRenderPicture *SceneXrender::Window::s_tempPicture = 0;
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QRect SceneXrender::Window::temp_visibleRect;
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SceneXrender::Window::Window(Toplevel* c)
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: Scene::Window(c)
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, _picture(XCB_RENDER_PICTURE_NONE)
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, format(findFormatForVisual(c->visual()->visualid))
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, alpha_cached_opacity(0.0)
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{
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}
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SceneXrender::Window::~Window()
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{
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discardPicture();
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discardShape();
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}
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void SceneXrender::Window::cleanup()
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{
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delete s_tempPicture;
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s_tempPicture = NULL;
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}
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// Create XRender picture for the pixmap with the window contents.
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xcb_render_picture_t SceneXrender::Window::picture()
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{
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if (!toplevel->damage().isEmpty() && _picture != XCB_RENDER_PICTURE_NONE) {
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xcb_render_free_picture(connection(), _picture);
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_picture = XCB_RENDER_PICTURE_NONE;
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}
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if (_picture == XCB_RENDER_PICTURE_NONE && format != 0) {
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// Get the pixmap with the window contents.
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xcb_pixmap_t pix = toplevel->windowPixmap();
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if (pix == XCB_PIXMAP_NONE)
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return XCB_RENDER_PICTURE_NONE;
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_picture = xcb_generate_id(connection());
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xcb_render_create_picture(connection(), _picture, pix, format, 0, NULL);
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toplevel->resetDamage();
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}
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return _picture;
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}
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void SceneXrender::Window::discardPicture()
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{
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if (_picture != XCB_RENDER_PICTURE_NONE)
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xcb_render_free_picture(connection(), _picture);
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_picture = XCB_RENDER_PICTURE_NONE;
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}
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// Maps window coordinates to screen coordinates
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QRect SceneXrender::Window::mapToScreen(int mask, const WindowPaintData &data, const QRect &rect) const
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{
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QRect r = rect;
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if (mask & PAINT_WINDOW_TRANSFORMED) {
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// Apply the window transformation
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r.moveTo(r.x() * data.xScale() + data.xTranslation(),
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r.y() * data.yScale() + data.yTranslation());
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r.setWidth(r.width() * data.xScale());
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r.setHeight(r.height() * data.yScale());
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}
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// Move the rectangle to the screen position
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r.translate(x(), y());
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if (mask & PAINT_SCREEN_TRANSFORMED) {
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// Apply the screen transformation
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r.moveTo(r.x() * screen_paint.xScale() + screen_paint.xTranslation(),
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r.y() * screen_paint.yScale() + screen_paint.yTranslation());
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r.setWidth(r.width() * screen_paint.xScale());
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r.setHeight(r.height() * screen_paint.yScale());
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}
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return r;
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}
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// Maps window coordinates to screen coordinates
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QPoint SceneXrender::Window::mapToScreen(int mask, const WindowPaintData &data, const QPoint &point) const
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{
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QPoint pt = point;
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if (mask & PAINT_WINDOW_TRANSFORMED) {
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// Apply the window transformation
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pt.rx() = pt.x() * data.xScale() + data.xTranslation();
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pt.ry() = pt.y() * data.yScale() + data.yTranslation();
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}
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// Move the point to the screen position
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pt += QPoint(x(), y());
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if (mask & PAINT_SCREEN_TRANSFORMED) {
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// Apply the screen transformation
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pt.rx() = pt.x() * screen_paint.xScale() + screen_paint.xTranslation();
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pt.ry() = pt.y() * screen_paint.yScale() + screen_paint.yTranslation();
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}
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return pt;
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}
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void SceneXrender::Window::prepareTempPixmap()
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{
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const QSize oldSize = temp_visibleRect.size();
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temp_visibleRect = toplevel->visibleRect().translated(-toplevel->pos());
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if (s_tempPicture && (oldSize.width() < temp_visibleRect.width() || oldSize.height() < temp_visibleRect.height())) {
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delete s_tempPicture;
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s_tempPicture = NULL;
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scene_setXRenderOffscreenTarget(0); // invalidate, better crash than cause weird results for developers
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}
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if (!s_tempPicture) {
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xcb_pixmap_t pix = xcb_generate_id(connection());
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xcb_create_pixmap(connection(), 32, pix, rootWindow(), temp_visibleRect.width(), temp_visibleRect.height());
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s_tempPicture = new XRenderPicture(pix, 32);
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xcb_free_pixmap(connection(), pix);
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}
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const xcb_render_color_t transparent = {0, 0, 0, 0};
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const xcb_rectangle_t rect = {0, 0, uint16_t(temp_visibleRect.width()), uint16_t(temp_visibleRect.height())};
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xcb_render_fill_rectangles(connection(), XCB_RENDER_PICT_OP_SRC, *s_tempPicture, transparent, 1, &rect);
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}
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// paint the window
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void SceneXrender::Window::performPaint(int mask, QRegion region, WindowPaintData data)
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{
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setTransformedShape(QRegion()); // maybe nothing will be painted
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// check if there is something to paint
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bool opaque = isOpaque() && qFuzzyCompare(data.opacity(), 1.0);
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/* HACK: It seems this causes painting glitches, disable temporarily
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if (( mask & PAINT_WINDOW_OPAQUE ) ^ ( mask & PAINT_WINDOW_TRANSLUCENT ))
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{ // We are only painting either opaque OR translucent windows, not both
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if ( mask & PAINT_WINDOW_OPAQUE && !opaque )
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return; // Only painting opaque and window is translucent
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if ( mask & PAINT_WINDOW_TRANSLUCENT && opaque )
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return; // Only painting translucent and window is opaque
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}*/
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// Intersect the clip region with the rectangle the window occupies on the screen
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if (!(mask & (PAINT_WINDOW_TRANSFORMED | PAINT_SCREEN_TRANSFORMED)))
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region &= toplevel->visibleRect();
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if (region.isEmpty())
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return;
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xcb_render_picture_t pic = picture(); // get XRender picture
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if (pic == XCB_RENDER_PICTURE_NONE) // The render format can be null for GL and/or Xv visuals
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return;
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// set picture filter
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if (options->isXrenderSmoothScale()) { // only when forced, it's slow
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if (mask & PAINT_WINDOW_TRANSFORMED)
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filter = ImageFilterGood;
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else if (mask & PAINT_SCREEN_TRANSFORMED)
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filter = ImageFilterGood;
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else
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filter = ImageFilterFast;
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} else
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filter = ImageFilterFast;
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// do required transformations
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const QRect wr = mapToScreen(mask, data, QRect(0, 0, width(), height()));
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QRect cr = QRect(toplevel->clientPos(), toplevel->clientSize()); // Client rect (in the window)
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qreal xscale = 1;
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qreal yscale = 1;
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bool scaled = false;
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Client *client = dynamic_cast<Client*>(toplevel);
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Deleted *deleted = dynamic_cast<Deleted*>(toplevel);
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const QRect decorationRect = toplevel->decorationRect();
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if (((client && !client->noBorder()) || (deleted && !deleted->noBorder())) &&
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decorationPlugin()->hasAlpha()) {
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// decorated client
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transformed_shape = decorationRect;
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if (toplevel->shape()) {
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// "xeyes" + decoration
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transformed_shape -= cr;
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transformed_shape += shape();
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}
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} else {
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transformed_shape = shape();
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}
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if (toplevel->hasShadow())
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transformed_shape |= toplevel->shadow()->shadowRegion();
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|
|
#define DOUBLE_TO_FIXED(d) ((xcb_render_fixed_t) ((d) * 65536))
|
|
xcb_render_transform_t xform = {
|
|
DOUBLE_TO_FIXED(1), DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(0),
|
|
DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(1), DOUBLE_TO_FIXED(0),
|
|
DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(1)
|
|
};
|
|
static xcb_render_transform_t identity = {
|
|
DOUBLE_TO_FIXED(1), DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(0),
|
|
DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(1), DOUBLE_TO_FIXED(0),
|
|
DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(1)
|
|
};
|
|
|
|
if (mask & PAINT_WINDOW_TRANSFORMED) {
|
|
xscale = data.xScale();
|
|
yscale = data.yScale();
|
|
}
|
|
if (mask & PAINT_SCREEN_TRANSFORMED) {
|
|
xscale *= screen_paint.xScale();
|
|
yscale *= screen_paint.yScale();
|
|
}
|
|
if (!qFuzzyCompare(xscale, 1.0) || !qFuzzyCompare(yscale, 1.0)) {
|
|
scaled = true;
|
|
xform.matrix11 = DOUBLE_TO_FIXED(1.0 / xscale);
|
|
xform.matrix22 = DOUBLE_TO_FIXED(1.0 / yscale);
|
|
|
|
// transform the shape for clipping in paintTransformedScreen()
|
|
QVector<QRect> rects = transformed_shape.rects();
|
|
for (int i = 0; i < rects.count(); ++i) {
|
|
QRect& r = rects[ i ];
|
|
r.setRect(qRound(r.x() * xscale), qRound(r.y() * yscale),
|
|
qRound(r.width() * xscale), qRound(r.height() * yscale));
|
|
}
|
|
transformed_shape.setRects(rects.constData(), rects.count());
|
|
}
|
|
#undef DOUBLE_TO_FIXED
|
|
|
|
transformed_shape.translate(mapToScreen(mask, data, QPoint(0, 0)));
|
|
PaintClipper pcreg(region); // clip by the region to paint
|
|
PaintClipper pc(transformed_shape); // clip by window's shape
|
|
|
|
const bool wantShadow = m_shadow && !m_shadow->shadowRegion().isEmpty();
|
|
|
|
// In order to obtain a pixel perfect rescaling
|
|
// we need to blit the window content togheter with
|
|
// decorations in a temporary pixmap and scale
|
|
// the temporary pixmap at the end.
|
|
// We should do this only if there is scaling and
|
|
// the window has border
|
|
// This solves a number of glitches and on top of this
|
|
// it optimizes painting quite a bit
|
|
const bool blitInTempPixmap = xRenderOffscreen() || (scaled && (wantShadow || (client && !client->noBorder()) || (deleted && !deleted->noBorder())));
|
|
|
|
xcb_render_picture_t renderTarget = buffer;
|
|
if (blitInTempPixmap) {
|
|
if (scene_xRenderOffscreenTarget()) {
|
|
temp_visibleRect = toplevel->visibleRect().translated(-toplevel->pos());
|
|
renderTarget = *scene_xRenderOffscreenTarget();
|
|
} else {
|
|
prepareTempPixmap();
|
|
renderTarget = *s_tempPicture;
|
|
}
|
|
} else {
|
|
xcb_render_set_picture_transform(connection(), pic, xform);
|
|
if (filter == ImageFilterGood) {
|
|
setPictureFilter(pic, KWin::Scene::ImageFilterGood);
|
|
}
|
|
|
|
//BEGIN OF STUPID RADEON HACK
|
|
// This is needed to avoid hitting a fallback in the radeon driver.
|
|
// The Render specification states that sampling pixels outside the
|
|
// source picture results in alpha=0 pixels. This can be achieved by
|
|
// setting the border color to transparent black, but since the border
|
|
// color has the same format as the texture, it only works when the
|
|
// texture has an alpha channel. So the driver falls back to software
|
|
// when the repeat mode is RepeatNone, the picture has a non-identity
|
|
// transformation matrix, and doesn't have an alpha channel.
|
|
// Since we only scale the picture, we can work around this by setting
|
|
// the repeat mode to RepeatPad.
|
|
if (!window()->hasAlpha()) {
|
|
const uint32_t values[] = {XCB_RENDER_REPEAT_PAD};
|
|
xcb_render_change_picture(connection(), pic, XCB_RENDER_CP_REPEAT, values);
|
|
}
|
|
//END OF STUPID RADEON HACK
|
|
}
|
|
#define MAP_RECT_TO_TARGET(_RECT_) \
|
|
if (blitInTempPixmap) _RECT_.translate(-temp_visibleRect.topLeft()); else _RECT_ = mapToScreen(mask, data, _RECT_)
|
|
|
|
//BEGIN deco preparations
|
|
bool noBorder = true;
|
|
xcb_render_picture_t left = XCB_RENDER_PICTURE_NONE;
|
|
xcb_render_picture_t top = XCB_RENDER_PICTURE_NONE;
|
|
xcb_render_picture_t right = XCB_RENDER_PICTURE_NONE;
|
|
xcb_render_picture_t bottom = XCB_RENDER_PICTURE_NONE;
|
|
PaintRedirector *redirector = NULL;
|
|
QRect dtr, dlr, drr, dbr;
|
|
if (client || deleted) {
|
|
if (client && !client->noBorder()) {
|
|
redirector = client->decorationPaintRedirector();
|
|
noBorder = client->noBorder();
|
|
client->layoutDecorationRects(dlr, dtr, drr, dbr, Client::WindowRelative);
|
|
}
|
|
if (deleted && !deleted->noBorder()) {
|
|
noBorder = deleted->noBorder();
|
|
redirector = deleted->decorationPaintRedirector();
|
|
deleted->layoutDecorationRects(dlr, dtr, drr, dbr);
|
|
}
|
|
if (redirector) {
|
|
redirector->ensurePixmapsPainted();
|
|
left = redirector->leftDecoPixmap<xcb_render_picture_t>();
|
|
top = redirector->topDecoPixmap<xcb_render_picture_t>();
|
|
right = redirector->rightDecoPixmap<xcb_render_picture_t>();
|
|
bottom = redirector->bottomDecoPixmap<xcb_render_picture_t>();
|
|
}
|
|
if (!noBorder) {
|
|
MAP_RECT_TO_TARGET(dtr);
|
|
MAP_RECT_TO_TARGET(dlr);
|
|
MAP_RECT_TO_TARGET(drr);
|
|
MAP_RECT_TO_TARGET(dbr);
|
|
}
|
|
}
|
|
//END deco preparations
|
|
|
|
//BEGIN shadow preparations
|
|
QRect stlr, str, strr, srr, sbrr, sbr, sblr, slr;
|
|
SceneXRenderShadow* m_xrenderShadow = static_cast<SceneXRenderShadow*>(m_shadow);
|
|
|
|
if (wantShadow) {
|
|
m_xrenderShadow->layoutShadowRects(str, strr, srr, sbrr, sbr, sblr, slr, stlr);
|
|
MAP_RECT_TO_TARGET(stlr);
|
|
MAP_RECT_TO_TARGET(str);
|
|
MAP_RECT_TO_TARGET(strr);
|
|
MAP_RECT_TO_TARGET(srr);
|
|
MAP_RECT_TO_TARGET(sbrr);
|
|
MAP_RECT_TO_TARGET(sbr);
|
|
MAP_RECT_TO_TARGET(sblr);
|
|
MAP_RECT_TO_TARGET(slr);
|
|
}
|
|
//BEGIN end preparations
|
|
|
|
//BEGIN client preparations
|
|
QRect dr = cr;
|
|
if (blitInTempPixmap) {
|
|
dr.translate(-temp_visibleRect.topLeft());
|
|
} else {
|
|
dr = mapToScreen(mask, data, dr); // Destination rect
|
|
if (scaled) {
|
|
cr.moveLeft(cr.x() * xscale);
|
|
cr.moveTop(cr.y() * yscale);
|
|
}
|
|
}
|
|
|
|
const int clientRenderOp = (opaque || blitInTempPixmap) ? XCB_RENDER_PICT_OP_SRC : XCB_RENDER_PICT_OP_OVER;
|
|
//END client preparations
|
|
|
|
#undef MAP_RECT_TO_TARGET
|
|
|
|
for (PaintClipper::Iterator iterator; !iterator.isDone(); iterator.next()) {
|
|
|
|
#define RENDER_SHADOW_TILE(_TILE_, _RECT_) \
|
|
xcb_render_composite(connection(), XCB_RENDER_PICT_OP_OVER, m_xrenderShadow->picture(SceneXRenderShadow::ShadowElement##_TILE_), \
|
|
shadowAlpha, renderTarget, 0, 0, 0, 0, _RECT_.x(), _RECT_.y(), _RECT_.width(), _RECT_.height())
|
|
|
|
//shadow
|
|
if (wantShadow) {
|
|
xcb_render_picture_t shadowAlpha = XCB_RENDER_PICTURE_NONE;
|
|
if (!opaque) {
|
|
shadowAlpha = xRenderBlendPicture(data.opacity());
|
|
}
|
|
RENDER_SHADOW_TILE(TopLeft, stlr);
|
|
RENDER_SHADOW_TILE(Top, str);
|
|
RENDER_SHADOW_TILE(TopRight, strr);
|
|
RENDER_SHADOW_TILE(Left, slr);
|
|
RENDER_SHADOW_TILE(Right, srr);
|
|
RENDER_SHADOW_TILE(BottomLeft, sblr);
|
|
RENDER_SHADOW_TILE(Bottom, sbr);
|
|
RENDER_SHADOW_TILE(BottomRight, sbrr);
|
|
}
|
|
#undef RENDER_SHADOW_TILE
|
|
|
|
// Paint the window contents
|
|
if (!(client && client->isShade())) {
|
|
xcb_render_picture_t clientAlpha = XCB_RENDER_PICTURE_NONE;
|
|
if (!opaque) {
|
|
clientAlpha = xRenderBlendPicture(data.opacity());
|
|
}
|
|
xcb_render_composite(connection(), clientRenderOp, pic, clientAlpha, renderTarget, cr.x(), cr.y(), 0, 0, dr.x(), dr.y(), dr.width(), dr.height());
|
|
if (!opaque)
|
|
transformed_shape = QRegion();
|
|
}
|
|
|
|
#define RENDER_DECO_PART(_PART_, _RECT_) \
|
|
xcb_render_composite(connection(), XCB_RENDER_PICT_OP_OVER, _PART_, decorationAlpha, renderTarget,\
|
|
0, 0, 0, 0, _RECT_.x(), _RECT_.y(), _RECT_.width(), _RECT_.height())
|
|
|
|
if (client || deleted) {
|
|
if (!noBorder) {
|
|
xcb_render_picture_t decorationAlpha = xRenderBlendPicture(data.opacity() * data.decorationOpacity());
|
|
RENDER_DECO_PART(top, dtr);
|
|
RENDER_DECO_PART(left, dlr);
|
|
RENDER_DECO_PART(right, drr);
|
|
RENDER_DECO_PART(bottom, dbr);
|
|
}
|
|
if (redirector) {
|
|
redirector->markAsRepainted();
|
|
}
|
|
}
|
|
#undef RENDER_DECO_PART
|
|
|
|
if (data.brightness() != 1.0) {
|
|
// fake brightness change by overlaying black
|
|
const float alpha = (1 - data.brightness()) * data.opacity();
|
|
xcb_rectangle_t rect;
|
|
if (blitInTempPixmap) {
|
|
rect.x = -temp_visibleRect.left();
|
|
rect.y = -temp_visibleRect.top();
|
|
rect.width = width();
|
|
rect.height = height();
|
|
} else {
|
|
rect.x = wr.x();
|
|
rect.y = wr.y();
|
|
rect.width = wr.width();
|
|
rect.height = wr.height();
|
|
}
|
|
xcb_render_fill_rectangles(connection(), XCB_RENDER_PICT_OP_OVER, renderTarget,
|
|
preMultiply(data.brightness() < 1.0 ? QColor(0,0,0,255*alpha) : QColor(255,255,255,-alpha*255)),
|
|
1, &rect);
|
|
}
|
|
if (blitInTempPixmap) {
|
|
const QRect r = mapToScreen(mask, data, temp_visibleRect);
|
|
xcb_render_set_picture_transform(connection(), *s_tempPicture, xform);
|
|
setPictureFilter(*s_tempPicture, KWin::Scene::ImageFilterGood);
|
|
xcb_render_composite(connection(), XCB_RENDER_PICT_OP_OVER, *s_tempPicture,
|
|
XCB_RENDER_PICTURE_NONE, buffer,
|
|
0, 0, 0, 0, r.x(), r.y(), r.width(), r.height());
|
|
xcb_render_set_picture_transform(connection(), *s_tempPicture, identity);
|
|
}
|
|
}
|
|
if (scaled && !blitInTempPixmap) {
|
|
xcb_render_set_picture_transform(connection(), pic, identity);
|
|
if (filter == ImageFilterGood)
|
|
setPictureFilter(pic, KWin::Scene::ImageFilterFast);
|
|
if (!window()->hasAlpha()) {
|
|
const uint32_t values[] = {XCB_RENDER_REPEAT_NONE};
|
|
xcb_render_change_picture(connection(), pic, XCB_RENDER_CP_REPEAT, values);
|
|
}
|
|
}
|
|
if (xRenderOffscreen())
|
|
scene_setXRenderOffscreenTarget(*s_tempPicture);
|
|
}
|
|
|
|
void SceneXrender::Window::setPictureFilter(xcb_render_picture_t pic, Scene::ImageFilterType filter)
|
|
{
|
|
QByteArray filterName;
|
|
switch (filter) {
|
|
case KWin::Scene::ImageFilterFast:
|
|
filterName = QByteArray("fast");
|
|
break;
|
|
case KWin::Scene::ImageFilterGood:
|
|
filterName = QByteArray("good");
|
|
break;
|
|
}
|
|
xcb_render_set_picture_filter(connection(), pic, filterName.length(), filterName.constData(), 0, NULL);
|
|
}
|
|
|
|
void SceneXrender::screenGeometryChanged(const QSize &size)
|
|
{
|
|
Scene::screenGeometryChanged(size);
|
|
initXRender(false);
|
|
}
|
|
|
|
//****************************************
|
|
// SceneXrender::EffectFrame
|
|
//****************************************
|
|
|
|
XRenderPicture *SceneXrender::EffectFrame::s_effectFrameCircle = NULL;
|
|
|
|
SceneXrender::EffectFrame::EffectFrame(EffectFrameImpl* frame)
|
|
: Scene::EffectFrame(frame)
|
|
{
|
|
m_picture = NULL;
|
|
m_textPicture = NULL;
|
|
m_iconPicture = NULL;
|
|
m_selectionPicture = NULL;
|
|
}
|
|
|
|
SceneXrender::EffectFrame::~EffectFrame()
|
|
{
|
|
delete m_picture;
|
|
delete m_textPicture;
|
|
delete m_iconPicture;
|
|
delete m_selectionPicture;
|
|
}
|
|
|
|
void SceneXrender::EffectFrame::cleanup()
|
|
{
|
|
delete s_effectFrameCircle;
|
|
s_effectFrameCircle = NULL;
|
|
}
|
|
|
|
void SceneXrender::EffectFrame::free()
|
|
{
|
|
delete m_picture;
|
|
m_picture = NULL;
|
|
delete m_textPicture;
|
|
m_textPicture = NULL;
|
|
delete m_iconPicture;
|
|
m_iconPicture = NULL;
|
|
delete m_selectionPicture;
|
|
m_selectionPicture = NULL;
|
|
}
|
|
|
|
void SceneXrender::EffectFrame::freeIconFrame()
|
|
{
|
|
delete m_iconPicture;
|
|
m_iconPicture = NULL;
|
|
}
|
|
|
|
void SceneXrender::EffectFrame::freeTextFrame()
|
|
{
|
|
delete m_textPicture;
|
|
m_textPicture = NULL;
|
|
}
|
|
|
|
void SceneXrender::EffectFrame::freeSelection()
|
|
{
|
|
delete m_selectionPicture;
|
|
m_selectionPicture = NULL;
|
|
}
|
|
|
|
void SceneXrender::EffectFrame::crossFadeIcon()
|
|
{
|
|
// TODO: implement me
|
|
}
|
|
|
|
void SceneXrender::EffectFrame::crossFadeText()
|
|
{
|
|
// TODO: implement me
|
|
}
|
|
|
|
void SceneXrender::EffectFrame::render(QRegion region, double opacity, double frameOpacity)
|
|
{
|
|
Q_UNUSED(region)
|
|
if (m_effectFrame->geometry().isEmpty()) {
|
|
return; // Nothing to display
|
|
}
|
|
|
|
// Render the actual frame
|
|
if (m_effectFrame->style() == EffectFrameUnstyled) {
|
|
renderUnstyled(effects->xrenderBufferPicture(), m_effectFrame->geometry(), opacity * frameOpacity);
|
|
} else if (m_effectFrame->style() == EffectFrameStyled) {
|
|
if (!m_picture) { // Lazy creation
|
|
updatePicture();
|
|
}
|
|
if (m_picture) {
|
|
qreal left, top, right, bottom;
|
|
m_effectFrame->frame().getMargins(left, top, right, bottom); // m_geometry is the inner geometry
|
|
QRect geom = m_effectFrame->geometry().adjusted(-left, -top, right, bottom);
|
|
xcb_render_composite(connection(), XCB_RENDER_PICT_OP_OVER, *m_picture,
|
|
XCB_RENDER_PICTURE_NONE, effects->xrenderBufferPicture(),
|
|
0, 0, 0, 0, geom.x(), geom.y(), geom.width(), geom.height());
|
|
}
|
|
}
|
|
if (!m_effectFrame->selection().isNull()) {
|
|
if (!m_selectionPicture) { // Lazy creation
|
|
const QPixmap pix = m_effectFrame->selectionFrame().framePixmap();
|
|
if (!pix.isNull()) // don't try if there's no content
|
|
m_selectionPicture = new XRenderPicture(m_effectFrame->selectionFrame().framePixmap());
|
|
}
|
|
if (m_selectionPicture) {
|
|
const QRect geom = m_effectFrame->selection();
|
|
xcb_render_composite(connection(), XCB_RENDER_PICT_OP_OVER, *m_selectionPicture,
|
|
XCB_RENDER_PICTURE_NONE, effects->xrenderBufferPicture(),
|
|
0, 0, 0, 0, geom.x(), geom.y(), geom.width(), geom.height());
|
|
}
|
|
}
|
|
|
|
XRenderPicture fill = xRenderBlendPicture(opacity);
|
|
|
|
// Render icon
|
|
if (!m_effectFrame->icon().isNull() && !m_effectFrame->iconSize().isEmpty()) {
|
|
QPoint topLeft(m_effectFrame->geometry().x(), m_effectFrame->geometry().center().y() - m_effectFrame->iconSize().height() / 2);
|
|
|
|
if (!m_iconPicture) // lazy creation
|
|
m_iconPicture = new XRenderPicture(m_effectFrame->icon());
|
|
QRect geom = QRect(topLeft, m_effectFrame->iconSize());
|
|
xcb_render_composite(connection(), XCB_RENDER_PICT_OP_OVER, *m_iconPicture, fill,
|
|
effects->xrenderBufferPicture(),
|
|
0, 0, 0, 0, geom.x(), geom.y(), geom.width(), geom.height());
|
|
}
|
|
|
|
// Render text
|
|
if (!m_effectFrame->text().isEmpty()) {
|
|
if (!m_textPicture) { // Lazy creation
|
|
updateTextPicture();
|
|
}
|
|
xcb_render_composite(connection(), XCB_RENDER_PICT_OP_OVER, *m_textPicture, fill, effects->xrenderBufferPicture(),
|
|
0, 0, 0, 0, m_effectFrame->geometry().x(), m_effectFrame->geometry().y(),
|
|
m_effectFrame->geometry().width(), m_effectFrame->geometry().height());
|
|
}
|
|
}
|
|
|
|
void SceneXrender::EffectFrame::renderUnstyled(xcb_render_picture_t pict, const QRect &rect, qreal opacity)
|
|
{
|
|
const int roundness = 5;
|
|
const QRect area = rect.adjusted(-roundness, -roundness, roundness, roundness);
|
|
xcb_rectangle_t rects[3];
|
|
// center
|
|
rects[0].x = area.left();
|
|
rects[0].y = area.top() + roundness;
|
|
rects[0].width = area.width();
|
|
rects[0].height = area.height() - roundness * 2;
|
|
// top
|
|
rects[1].x = area.left() + roundness;
|
|
rects[1].y = area.top();
|
|
rects[1].width = area.width() - roundness * 2;
|
|
rects[1].height = roundness;
|
|
// bottom
|
|
rects[2].x = area.left() + roundness;
|
|
rects[2].y = area.top() + area.height() - roundness;
|
|
rects[2].width = area.width() - roundness * 2;
|
|
rects[2].height = roundness;
|
|
xcb_render_color_t color = {0, 0, 0, uint16_t(opacity * 0xffff)};
|
|
xcb_render_fill_rectangles(connection(), XCB_RENDER_PICT_OP_OVER, pict, color, 3, rects);
|
|
|
|
if (!s_effectFrameCircle) {
|
|
// create the circle
|
|
const int diameter = roundness * 2;
|
|
xcb_pixmap_t pix = xcb_generate_id(connection());
|
|
xcb_create_pixmap(connection(), 32, pix, rootWindow(), diameter, diameter);
|
|
s_effectFrameCircle = new XRenderPicture(pix, 32);
|
|
xcb_free_pixmap(connection(), pix);
|
|
|
|
// clear it with transparent
|
|
xcb_rectangle_t xrect = {0, 0, diameter, diameter};
|
|
xcb_render_color_t tranparent = {0, 0, 0, 0};
|
|
xcb_render_fill_rectangles(connection(), XCB_RENDER_PICT_OP_SRC, *s_effectFrameCircle, tranparent, 1, &xrect);
|
|
|
|
static int num_segments = 80;
|
|
static qreal theta = 2 * M_PI / qreal(num_segments);
|
|
static qreal c = qCos(theta); //precalculate the sine and cosine
|
|
static qreal s = qSin(theta);
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|
qreal t;
|
|
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|
qreal x = roundness;//we start at angle = 0
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|
qreal y = 0;
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|
#define DOUBLE_TO_FIXED(d) ((xcb_render_fixed_t) ((d) * 65536))
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QVector<xcb_render_pointfix_t> points;
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|
xcb_render_pointfix_t point;
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point.x = DOUBLE_TO_FIXED(roundness);
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point.y = DOUBLE_TO_FIXED(roundness);
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points << point;
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|
for (int ii = 0; ii <= num_segments; ++ii) {
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point.x = DOUBLE_TO_FIXED(x + roundness);
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|
point.y = DOUBLE_TO_FIXED(y + roundness);
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points << point;
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|
//apply the rotation matrix
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|
t = x;
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|
x = c * x - s * y;
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y = s * t + c * y;
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|
}
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|
XRenderPicture fill = xRenderFill(Qt::black);
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|
xcb_render_tri_fan(connection(), XCB_RENDER_PICT_OP_OVER, fill, *s_effectFrameCircle,
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|
0, 0, 0, points.count(), points.constData());
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|
#undef DOUBLE_TO_FIXED
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|
}
|
|
// TODO: merge alpha mask with SceneXrender::Window::alphaMask
|
|
// alpha mask
|
|
xcb_pixmap_t pix = xcb_generate_id(connection());
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|
xcb_create_pixmap(connection(), 8, pix, rootWindow(), 1, 1);
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|
XRenderPicture alphaMask(pix, 8);
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|
xcb_free_pixmap(connection(), pix);
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|
const uint32_t values[] = {true};
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|
xcb_render_change_picture(connection(), alphaMask, XCB_RENDER_CP_REPEAT, values);
|
|
color.alpha = int(opacity * 0xffff);
|
|
xcb_rectangle_t xrect = {0, 0, 1, 1};
|
|
xcb_render_fill_rectangles(connection(), XCB_RENDER_PICT_OP_SRC, alphaMask, color, 1, &xrect);
|
|
|
|
// TODO: replace by lambda
|
|
#define RENDER_CIRCLE(srcX, srcY, destX, destY) \
|
|
xcb_render_composite(connection(), XCB_RENDER_PICT_OP_OVER, *s_effectFrameCircle, alphaMask, \
|
|
pict, srcX, srcY, 0, 0, destX, destY, roundness, roundness)
|
|
|
|
RENDER_CIRCLE(0, 0, area.left(), area.top());
|
|
RENDER_CIRCLE(0, roundness, area.left(), area.top() + area.height() - roundness);
|
|
RENDER_CIRCLE(roundness, 0, area.left() + area.width() - roundness, area.top());
|
|
RENDER_CIRCLE(roundness, roundness,
|
|
area.left() + area.width() - roundness, area.top() + area.height() - roundness);
|
|
#undef RENDER_CIRCLE
|
|
}
|
|
|
|
void SceneXrender::EffectFrame::updatePicture()
|
|
{
|
|
delete m_picture;
|
|
m_picture = 0L;
|
|
if (m_effectFrame->style() == EffectFrameStyled) {
|
|
const QPixmap pix = m_effectFrame->frame().framePixmap();
|
|
if (!pix.isNull())
|
|
m_picture = new XRenderPicture(pix);
|
|
}
|
|
}
|
|
|
|
void SceneXrender::EffectFrame::updateTextPicture()
|
|
{
|
|
// Mostly copied from SceneOpenGL::EffectFrame::updateTextTexture() above
|
|
delete m_textPicture;
|
|
m_textPicture = 0L;
|
|
|
|
if (m_effectFrame->text().isEmpty()) {
|
|
return;
|
|
}
|
|
|
|
// Determine position on texture to paint text
|
|
QRect rect(QPoint(0, 0), m_effectFrame->geometry().size());
|
|
if (!m_effectFrame->icon().isNull() && !m_effectFrame->iconSize().isEmpty()) {
|
|
rect.setLeft(m_effectFrame->iconSize().width());
|
|
}
|
|
|
|
// If static size elide text as required
|
|
QString text = m_effectFrame->text();
|
|
if (m_effectFrame->isStatic()) {
|
|
QFontMetrics metrics(m_effectFrame->text());
|
|
text = metrics.elidedText(text, Qt::ElideRight, rect.width());
|
|
}
|
|
|
|
QPixmap pixmap(m_effectFrame->geometry().size());
|
|
pixmap.fill(Qt::transparent);
|
|
QPainter p(&pixmap);
|
|
p.setFont(m_effectFrame->font());
|
|
if (m_effectFrame->style() == EffectFrameStyled) {
|
|
p.setPen(m_effectFrame->styledTextColor());
|
|
} else {
|
|
// TODO: What about no frame? Custom color setting required
|
|
p.setPen(Qt::white);
|
|
}
|
|
p.drawText(rect, m_effectFrame->alignment(), text);
|
|
p.end();
|
|
m_textPicture = new XRenderPicture(pixmap);
|
|
}
|
|
|
|
SceneXRenderShadow::SceneXRenderShadow(Toplevel *toplevel)
|
|
:Shadow(toplevel)
|
|
{
|
|
for (int i=0; i<ShadowElementsCount; ++i) {
|
|
m_pictures[i] = NULL;
|
|
}
|
|
}
|
|
|
|
SceneXRenderShadow::~SceneXRenderShadow()
|
|
{
|
|
for (int i=0; i<ShadowElementsCount; ++i) {
|
|
delete m_pictures[i];
|
|
}
|
|
}
|
|
|
|
void SceneXRenderShadow::layoutShadowRects(QRect& top, QRect& topRight,
|
|
QRect& right, QRect& bottomRight,
|
|
QRect& bottom, QRect& bottomLeft,
|
|
QRect& left, QRect& topLeft)
|
|
{
|
|
WindowQuadList quads = shadowQuads();
|
|
|
|
if (quads.count() == 0) {
|
|
return;
|
|
}
|
|
|
|
WindowQuad topQuad = quads.select(WindowQuadShadowTop)[0];
|
|
WindowQuad topRightQuad = quads.select(WindowQuadShadowTopRight)[0];
|
|
WindowQuad topLeftQuad = quads.select(WindowQuadShadowTopLeft)[0];
|
|
WindowQuad leftQuad = quads.select(WindowQuadShadowLeft)[0];
|
|
WindowQuad rightQuad = quads.select(WindowQuadShadowRight)[0];
|
|
WindowQuad bottomQuad = quads.select(WindowQuadShadowBottom)[0];
|
|
WindowQuad bottomRightQuad = quads.select(WindowQuadShadowBottomRight)[0];
|
|
WindowQuad bottomLeftQuad = quads.select(WindowQuadShadowBottomLeft)[0];
|
|
|
|
top = QRect(topQuad.left(), topQuad.top(), (topQuad.right()-topQuad.left()), (topQuad.bottom()-topQuad.top()));
|
|
topLeft = QRect(topLeftQuad.left(), topLeftQuad.top(), (topLeftQuad.right()-topLeftQuad.left()), (topLeftQuad.bottom()-topLeftQuad.top()));
|
|
topRight = QRect(topRightQuad.left(), topRightQuad.top(), (topRightQuad.right()-topRightQuad.left()), (topRightQuad.bottom()-topRightQuad.top()));
|
|
left = QRect(leftQuad.left(), leftQuad.top(), (leftQuad.right()-leftQuad.left()), (leftQuad.bottom()-leftQuad.top()));
|
|
right = QRect(rightQuad.left(), rightQuad.top(), (rightQuad.right()-rightQuad.left()), (rightQuad.bottom()-rightQuad.top()));
|
|
bottom = QRect(bottomQuad.left(), bottomQuad.top(), (bottomQuad.right()-bottomQuad.left()), (bottomQuad.bottom()-bottomQuad.top()));
|
|
bottomLeft = QRect(bottomLeftQuad.left(), bottomLeftQuad.top(), (bottomLeftQuad.right()-bottomLeftQuad.left()), (bottomLeftQuad.bottom()-bottomLeftQuad.top()));
|
|
bottomRight = QRect(bottomRightQuad.left(), bottomRightQuad.top(), (bottomRightQuad.right()-bottomRightQuad.left()), (bottomRightQuad.bottom()-bottomRightQuad.top()));
|
|
}
|
|
|
|
void SceneXRenderShadow::buildQuads()
|
|
{
|
|
Shadow::buildQuads();
|
|
|
|
if (shadowQuads().count() == 0) {
|
|
return;
|
|
}
|
|
|
|
QRect stlr, str, strr, srr, sbrr, sbr, sblr, slr;
|
|
layoutShadowRects(str, strr, srr, sbrr, sbr, sblr, slr, stlr);
|
|
}
|
|
|
|
bool SceneXRenderShadow::prepareBackend()
|
|
{
|
|
const uint32_t values[] = {XCB_RENDER_REPEAT_NORMAL};
|
|
for (int i=0; i<ShadowElementsCount; ++i) {
|
|
delete m_pictures[i];
|
|
m_pictures[i] = new XRenderPicture(shadowPixmap(ShadowElements(i)));
|
|
xcb_render_change_picture(connection(), *m_pictures[i], XCB_RENDER_CP_REPEAT, values);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
xcb_render_picture_t SceneXRenderShadow::picture(Shadow::ShadowElements element) const
|
|
{
|
|
if (!m_pictures[element]) {
|
|
return XCB_RENDER_PICTURE_NONE;
|
|
}
|
|
return *m_pictures[element];
|
|
}
|
|
|
|
} // namespace
|
|
#endif
|