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We always queried the client for its GLX extensions and used them
blindly, even though they might not be available in the server.
Also fixed the extension string check itself. We used simple sub-string
search, which could potentially break if one extension name is a
sub-string of another.
Task-number: QTBUG-5732
Reviewed-by: Kim
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This fixes a regression from 4.5, where exporting a GL capable display
from an old X11 HP/Sun workstation to a modern Linux machine causes
crashes and lots of X11 error output. Just relying on the client
GL version number is not enough under X11, since the server might
only support GL 1.1 with non or very few extensions.
Also, the extension checks worked a bit randomly since it checked
for sub-strings which might or might not occur within one or more
full extension names.
Task-number: QTBUG-5853
Reviewed-by: Kim
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Reviewed-by: Sarah Smith
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The documentation for QGLContext::isSharing() indicates that
the function returns true only when the context is sharing.
However, previously the sharing flag would stay on if the
context was created as sharing but is no longer sharing.
Task-number: QTBUG-5578
Reviewed-by: Sarah Smith
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Also fixed square caps which in some cases were extruded in the wrong
direction.
Task-number: QTBUG-5736
Reviewed-by: Trond
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Since the stroke is rendered as a triangle strip, zero area triangles
must be inserted in order to have gaps in the stroke. This is achieved
by duplicating vertices before and after each gap. It was already done
for open subpaths. This commit fixes gaps between closed subpaths.
Task-number: QTBUG-5736
Reviewed-by: Gunnar
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Conflicts:
dist/changes-4.6.0
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* Get rid of QGraphicsEffectSource from the public API, instead add
convenience functions in QGraphicsEffect. This way we commit to less
API, and are free to introduce a customizable QGraphicsEffectSource
in a future release.
* Move PixmapPadMode into QGraphicsEffect and tweak the names of the
enum values.
* Make QGraphicsBlurEffect::BlurHint into a bit flag, for extensibility.
Reviewed-by: Bjørn Erik Nilsen
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QRegion::numRects() is marked obsolete.
Removed all usage of the old function inside Qt and test-cases.
Reviewed-by: Andreas Aardal Hanssen
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QPaintDevice and QImage used the functions numColors(), setNumColors(),
and numBytes(). However, this is not consistent with the rest of the Qt
API which uses *Count() and set*Count().
Removed all usage of these functions inside Qt and test-cases.
Reviewed-by: Andreas Aardal Hanssen
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Reviewed-by: Samuel
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If we succeed in creating a shared context, then mark the original
as shared as well.
Reviewed-by: Sarah Smith
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Context sharing was enabled on EGL systems, but QGLContext::isSharing()
was still returning false because the flag in QGLContextPrivate
was not updated.
Reviewed-by: Sarah Smith
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The GL2 paint engine adds a (0.49,0.49) pixel offset when doing aliased
rendering. But this assumed if it was doing aliased rendering then
multisampling was disabled. On GLES, multisampling is always enabled if
the surface has it enabled. So on GLES, we never add the offset if the
surface is multisampled.
Reviewed-By: Gunnar
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Reviewed-by: Trustme
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Reviewed-by: Samuel
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Warnings are for binding/releasing when the current context isn't in the
same context group as the FBO was created in.
Reviewed-By: Trond
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Now QGLFBO doesn't do stacking, QGLPaintDevice's base implementation is
ok to use.
Reviewed-By: Trond
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Having this behaviour in QGLFrameBufferObject complicates alot of things
and isn't really necessary.
Reviewed-by: Tom Cooksey
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Updated the soft-light composition mode implementation in the raster
and OpenGL1 engines to use the equations in the SVG specification as of
April 2009.
Task-number: QTBUG-3193
Reviewed-by: Trond
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Reviewed-by: Sarah Smith
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Task-number: QTBUG-5148
Reviewed-by: Tom Cooksey
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Moved duplicated and broken code for setting up the include and library
paths into the egl.prf feature file, which egl.pri and opengl.pro now
includes using the qmake feature system.
Task-number: QTBUG-5148
Reviewed-by: Tom Cooksey
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On Mac, there are compat overloads to e.g. setInternalTextureFormat()
so we need to specify which function to call to avoid ambiguity.
Reviewed-by: Samuel
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Reviewed-by: Trond
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introduce QMAKE_LIBS_OPENGL_ES1, QMAKE_LIBS_OPENGL_ES1CL and
QMAKE_LIBS_OPENGL_ES2 so we do not have to force users to copy/paste
around entire mkspecs just to change the OpenGL backend.
This should make the "-opengl es2" (and friends) configure option
work out of the box with any mkspec on Linux+WinCE.
Also removes a WinCE specific hack that is not required anymore.
Reviewed-by: Tom Cooksey
Reviewed-by: Trond Kjernåsen
Approved-by: Lars Knoll
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for WindowsCE
Be more consistant in the usage of <private/foo_p.h> vs "foo_p.h"
Task-number: QTBUG-5149
Reviewed-by: Trond Kjernåsen
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We have some internal hidden widgets which should not come up in the
QApplication::topLevelWidgets() list. So the known ones are being
removed from the QWidgetPrivate::allWidgets set.
Task-number: QTBUG-739
Reviewed-by: Denis Dzyubenko
Reviewed-by: Bradley T. Hughes
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Reviewed-by: Gunnar Sletta
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We add an internal cache which keeps four half-scaled versions of the
source pixmap at different blur radii, then we simply interpolate
between the two pixmaps around the desired blur radius, or between the
base source pixmap and the first blurred version.
Reviewed-by: Gunnar Sletta
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Added AnimationHint, which didn't make too much sense in a generic enum,
so Qt::RenderHint was moved back into QGraphicsBlurEffect as
QGraphicsBlurEffect::BlurHint.
Reviewed-by: Gunnar Sletta
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The strict size parameter can be used when it's critical that we get the
exact size we ask for.
Reviewed-by: Gunnar Sletta
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Reviewed-By: Samuel
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Reviewed-by: TrustMe
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Reviewed-by: trustme
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When the number of programs held in the cache exceeds a threshold, the
least frequantly used programs get deleted. This also covers programs
with custom snippets of code. As a conequence, when a
QGLCustomShaderStage gets deleted, any programs using that code will
(eventually) be freed.
Reviewed-By: Samuel Rødal
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This patch also adds a "snippetNameStr" helper for debugging.
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This is a first step towards supporting binary shaders.
Note: This change will introduce a (rare) leak of shader objects, as the
shaders will never be kicked out from the cache (because the cache is
still a QList) :-) This will be corrected by the next patch.
Reviewed-By: Samuel
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Better than having to befriend QPixmapData and setting is_cached
manually.
Reviewed-by: Tom Cooksey
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After API review discussions, it was decided to remove shader
binary support until we have a better handle on what we need.
Applications can directly load shader binaries on the shaderId()
using glShaderBinary() directly so they aren't prevented from
using the feature.
Reviewed-by: trustme
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Looks like a couple of files missed the namespace macro...
Rev-By: gunnar
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