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This is a port of 72f161739b270b01807f97cd853030440f0fd430 which was
reverted in integration to master, since it was incompatible with
the refactored glyph cache.
When the GL glyph cache reached its texture limit, we have to reset it
and start over. Added a new cleanup() function in
QGLContextGroupResourceBase which deletes the resource for a given
context and removes itself from that context group.
Task-number: QTBUG-13784
Reviewed-by: Samuel
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Should only unlock once after the loop.
Reviewed-by: TrustMe
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QFontEngineFT are used in raster/OpenGL paint engine and QGLWidget,
also in Symbian, etc. We want to make sure it works well in raster
and QGLWidget first. Regardless subpixel antialiasing (LCD filtering)
is enabled or not (though it does look better when subpixel
antialiasing is on). We also need to support transformations.
The tricky part here is that, under X11, we have a different code
path for QFontEngineFT and other font engines in raster engine,
which uses QFontEngineFT's own glyph cache system. While in other
platforms (Windows and Mac) and QGLWidget, we will use the generic
QTextureGlyphCache.
The generic QTextureGlyphCache already has support for subpixel
positions, this solution is ported to QFontEngineFT for its
QGlyphSet: the key for QGlyphSet hash table has been extended from
glyph_t to <glyph_t, QFixed subPixelPosition> pair.
The real work to enable subpixel positioning with FreeType is in
fact really simple, we just set the horizontal translation to the
subpixel position * 64 (FreeType uses a coordinate system of 1/64
of a pixel resolution internally) immediately before loading the
glyph. A slight tweek to bitmap width is applied when we are
getting the bitmap ourselves instead of using FT_Render_Glyph to
accommodate the subpixel translation, which will only be used in
non-LCD filtering cases (grayscale antialiasing).
From what we have observed, FreeType can generate different bitmaps
for at least 12 different subpixel positions (each with a slight
difference). To limit the memory consumption, we restrict the
number of subpixel positions to be 4 (hardcoded), which should be
good enough for most low resolution displays.
Subpixel positioning (and fractional glyph advances) will only be
enabled when the hintingPreference for the font being used is
PreferNoHinting or PreferVerticalHinting. We will use fontconfig
hintstyle setting by default when no hintingPreference is set for
the font.
Task-number: QTBUG-12279
Reviewed-by: Eskil
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In certain uncommon situations, where different Qt versions are used
on the same system, the plugin caching optimization may identify a dll
as a valid plugin, even though it will later fail to load. This fix
will avoid that Qt repeatdly tries to reopen such dlls, something
which caused a significant performance hit in these cases. E.g. where
Qt would unsuccessfully try to load a number of KDE image format plugins
for every image loading operation.
Task-number: QTBUG-10066
Reviewed-by: thiago
Reviewed-by: janarve
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Avoid doing a lot of glTexSubImage2D calls in favor of doing a single
call (even if it involves an additional image copy).
Reviewed-by: Eskil
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master-integration
* 'master' of scm.dev.nokia.troll.no:qt/qt-fire-staging: (34 commits)
Remove undefined symbol from tst_qwindowsurface.
Fix def files
Fixes: some text fields in PNG image files were not read
Add an overloading function to flush().
Remove the check on flushRequested.
Only enable RightToLeft forcing in OS X 10.6 and skip the test
Make getters for staticContentsSupport and partialUpdateSupport virtual
Fix some warnings in font code
Change the way the unified toolbar is flushed.
Fix grayscale antialiasing with DirectWrite engine
Fix checking hintingPreference in Windows font database
Add RightToLeft direction forcing to Core Text shaper
Fix hebrew shaping of characters with multiple diacritics.
Fix combining marks shaping without GPOS feature in HarfBuzz
Introduce QFontEngineDirectWrite
Add the ability to remove a toolbar from the unified toolbar.
Move the Mac specific behavior in #ifdef.
Remove useless variable.
Optimize the rendering path for the unified toolbar.
Remove useless statements.
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Conflicts:
src/gui/image/qpnghandler.cpp
src/opengl/qwindowsurface_gl.cpp
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scm.dev.nokia.troll.no:qt/qt-integration into master-integration
* 'qt-master-from-4.7' of scm.dev.nokia.troll.no:qt/qt-integration:
Changes to driver workarounds.
Switch to raster also when last window is destroyed (on MeeGo).
Fix accidental population of the disk cache with partial content
Fix disk cache interaction for range retrieval HTTP requests.
Clipboard/Windows: Fix a hang when sending to non-responsive clients.
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4.7-integration
* '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-2:
Changes to driver workarounds.
Switch to raster also when last window is destroyed (on MeeGo).
Clipboard/Windows: Fix a hang when sending to non-responsive clients.
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- Force enable brokenFBOReadBack on non-Nokia v1.4 SGX drivers (as this is
apparantly not fixed, except on the Nokia drivers)
- Add debug when workarounds are enabled to ease debugging
This fixes the following MeeGo bug:
https://bugs.meego.com/show_bug.cgi?id=5616
Merge-request: 1144
Reviewed-by: Samuel Rødal <samuel.rodal@nokia.com>
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This will save GPU resources for applications that are in the
background for most of the time and only show a window now and then.
Reviewed-by: Armin Berres
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Check if clipboard viewer is responsive before sending the
contents. This prevents Qt Creator from hanging when copying
text while a debugging session with a crashed/stopped
debuggee is in progress.
Reviewed-by: Prasanth Ullattil <prasanth.ullattil@nokia.com>
Task-number: QTBUG-17465
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4.7-integration
* '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-1:
Fix accidental population of the disk cache with partial content
Fix disk cache interaction for range retrieval HTTP requests.
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Since the disk cache does not support partial content, we should not
try to store it in the cache altogether.
Done-with: Jocelyn Turcotte
Reviewed-by: Markus Goetz
Reviewed-by: Peter Hartmann
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The disk cache API does not currently support retrieving partial content,
it can only serve entire files. Therefore we disable the use of the cache
for these kinds of requests, as indicated by the presence of the Range
header field.
Done-with: Jocelyn Turcotte
Reviewed-by: Markus Goetz
Reviewed-by: Peter Hartmann
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master-integration
* 'master' of scm.dev.nokia.troll.no:qt/qt-tools-staging:
qmake vcproj generator: do not insert $(INHERIT)
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This will remove the warnings about undefined environment variables
when building with IncrediBuild.
The $(INHERIT) feature does not work in the "Create PCH through file"
property of Visual Studio. It expands to an empty string but doesn't
yield a warning in a standard VS build.
Also, the value of "Create PCH through file" is supposed to be exactly
the string as in the include statement of the cpp file.
Done-with: Marius Storm-Olsen
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into master-integration
* 'staging-master' of scm.dev.nokia.troll.no:qt/qt-lighthouse: (101 commits)
Fixes detected by the static-check
Fixup license headers in Lighthouse plugins
Mac: add autorelease pools to create_sys
Don't skip remaining events on unhandled events in xcb backend.
Lighthouse: Xcb, compile fix for the glx path
Lighthouse: Make sure we don't use xkbcommon
Lighthouse: Add pkg-config check for opengl es2
Rename qnaclunimplemented -> qfunctions_nacl
Rename qconfig-minimal-system-depenencies.h
Add QT_NO_FILESYSTEMITERATOR.
Add QT_NO_DYNAMIC_LIBRARY.
Compile.
NaCl: Dont force release builds.
NaCl: disable libtiff.
posix platformdefs: Add QT_NO_SOCKET_H.
qpnghandler: Compile with QT_NO_IMAGE_TEXT.
Lighthouse: Support Q_NO_CLIPBOARD.
Compile.
Fix CoreServices framework addition for qpa.
Update NaCl mkspecs.
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This included added a license header on a moc file. Its nasty, but has
to stay like that until we have a better sollution for generating moc
files on uikit
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Fixes a couple of on-startup leaks.
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Conflicts:
mkspecs/qws/macx-nacl-g++/qplatformdefs.h
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when we don't have it
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(Match the existing files for wince and vxworks.)
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Rename to qconfig.nacl.h. This reflects that the
config now enables all dependencies NaCl can
support, not necessarily the minimal set.
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This makes it possible to use the file-related classes
on platforms that does not have a native QFileSystemIterator
implementation.
One use case is that we want to use the Qt
resource system even if the platform file system
support is limited.
Reviewed-by: joao
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Set it for nacl, replace the Q_OS defines vxworks
already has in place.
Motivation: Support static plugins on platforms
that does not support dynamic plugins.
Static plugin support is implemented in QPluginLoader,
which has a QLibraryPrivate d pointer. The easiest
way to untangle this seems to be to compile in
QLibrary and then disable the ports of it that uses
dlopen.
Reviewed-By: Harald Fernengel
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Respect the system-zlib QT_CONFIG setting.
Reviewed-by: Jørgen Lind
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(libtiff doesn't compile)
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Prevents including <sys/socket.h>
Reviewed-by: Jørgen Lind
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Reviewed-by: Jørgen Lind
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Test against the coreservices QT_CONFIG on qpa,
unconditionally add CoreFoundation for mac and
darwin
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Less duplication, use the common unix and gcc
conf files.
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Make sure to also flush output when waiting for an ack from the
compositor, in case we haven't sent the frame request yet.
Reviewed-by: Jørgen
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See the README in the uikit platform plugin for details.
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Reviewed-by: Jørgen Lind
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