Added doc images for new examples and fixed one version number.

Change-Id: I7b867cd93be1c4abfa20567faf44d93f79974cf5
Reviewed-by: Pasi Keränen <pasi.keranen@digia.com>

Tried to clarify some method names and comments.

Change-Id: If94bd7ccddc0f43cb91d6cae99b09ef37dbdbc61
Reviewed-by: Tomi Korpipää <tomi.korpipaa@theqtcompany.com>
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@theqtcompany.com>

Qt 3D Planets example has scale offset that makes the cloud layer appear
to be higher up from the surface, added same scaling factor for the three.js
version.

Change-Id: I76b487320f7e36ed2de3a3689a99f6b243bc229d
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@theqtcompany.com>
Reviewed-by: Tomi Korpipää <tomi.korpipaa@theqtcompany.com>

The cellphone demo creates an interactive mobile phone UI with QML
and displays it on 3D model of the phone. The UI is fully interactive
when phone is rotated to face the used.

Change-Id: I8d3c94a75c853747b68208c9aed00429764174ea
Reviewed-by: Tomi Korpipää <tomi.korpipaa@theqtcompany.com>
Reviewed-by: Pasi Keränen <pasi.keranen@digia.com>

On touch devices the button labels were invisible until clicked. This task
removes the on hover animation to make the text visible all the time

Change-Id: Ie93157655acd34add5df8ac3966c802818f878ec
Task-number: QTBUG-48107
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@theqtcompany.com>
Reviewed-by: Tomi Korpipää <tomi.korpipaa@theqtcompany.com>

Change-Id: I59436307e56e6dce88f0eeccf86f91169e1e6817
Task-number: QTBUG-46463
Reviewed-by: Tomi Korpipää <tomi.korpipaa@theqtcompany.com>
Reviewed-by: Pasi Keränen <pasi.keranen@digia.com>

These templates can now be found in qt-creator repo.

Change-Id: I59dc86e952026bc5e1c6bebc864a34d0b304e57e
Reviewed-by: Tomi Korpipää <tomi.korpipaa@theqtcompany.com>
Reviewed-by: Pasi Keränen <pasi.keranen@digia.com>

Change-Id: Ifecca067f5a7f9040528ebfe48d7035cd75cef1c
Task-number: QTBUG-48066
Reviewed-by: Pasi Keränen <pasi.keranen@digia.com>

VENDOR, RENDERER, SHADING_LANGUAGE_VERSION, VERSION parameter return
values were fixed.

Change-Id: I8e9bda62cc2fc63bdcfcd834108a8916ffa1560d
Task-number: QTBUG-45850
Reviewed-by: Pasi Keränen <pasi.keranen@digia.com>

Change-Id: Icf174fbfcefc124ce4fa8985284b166a3e7eee23
Reviewed-by: Pasi Keränen <pasi.keranen@digia.com>

Change-Id: Ic4e9ee61270011fe0ecfd638d8b7d72edf40a3d4
Reviewed-by: Tomi Korpipää <tomi.korpipaa@theqtcompany.com>
Reviewed-by: Pasi Keränen <pasi.keranen@digia.com>

Change-Id: If8152a586fc0e0c704f6494a80a33aa5d73f455a
Task-number: QTBUG-46917
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@theqtcompany.com>

Change-Id: I62a0aeea025d3c406bcec988739ab7044ed0c9b8
Reviewed-by: Pasi Keränen <pasi.keranen@digia.com>

Change-Id: Ife0baf424f00bface137ac7773f20e5b99f00370
Task-number: QTBUG-47723
Reviewed-by: Pasi Keränen <pasi.keranen@digia.com>

In case premultipliedAlpha is false, canvas3D does additional render
step and multiplies the color values with alpha, since Qt Quick
expects premultiplied values.

Change-Id: Ibbe928b58ecac7e671c3d5fb6b70bb94ec0849be
Task-number: QTBUG-45819
Reviewed-by: Pasi Keränen <pasi.keranen@digia.com>

Removed example.pri and added missing EXAMPLE_FILES declarations
to make installed examples buildable.

Change-Id: I20fad76429b7e4a2af684999de9b894e4fca59dd
Task-number: QTBUG-46997
Reviewed-by: Pasi Keränen <pasi.keranen@digia.com>

Creating dummy FBOs didn't help in cases where many Qt Quick items
were dynamically created after canvas, so implemented a vendor check
and recreation of FBOs in case of error.

Change-Id: Ib5ddb7d789724667932ab0c1ffa8fa0fdc2fcf20
Reviewed-by: Pasi Keränen <pasi.keranen@digia.com>

Change-Id: I9149edfb02957319bd415abc9f9037ad03596932
Task-number: QTBUG-46303
Reviewed-by: Pasi Keränen <pasi.keranen@digia.com>

Change-Id: I61c1a9d9166b8721e46142135e8c69b92ccc54ff
Task-number: QTBUG-45849
Reviewed-by: Pasi Keränen <pasi.keranen@digia.com>

Change-Id: Ibe5adb23d757e0a7fca9e9ac7bf6bb31418b3056
Reviewed-by: Pasi Keränen <pasi.keranen@digia.com>

Change-Id: Iea777158ca194658359946f7da2de285e39589ea
Task-number: QTBUG-45824
Reviewed-by: Pasi Keränen <pasi.keranen@digia.com>

Somehow the first couple of FBOs canvas creates can get corrupted
with some GPUs/drivers when completely unrelated Qt Quick items are
shown or modified on screen. Work around the issue by creating a couple
of dummy FBOs before creating our actual FBOs.

Change-Id: I5fb93535238dd69bd5d5fa51b1d09930830e41e0
Task-number: QTBUG-46101
Reviewed-by: Pasi Keränen <pasi.keranen@digia.com>

A few numeric enumeration values in WebGL can map to multiple
string values. This fixes those values to return all the optional strings
so that user can pick the right one based on the context.

Change-Id: Iac4004e2a9fccf2791150da10ada6223ed403747
Task-number: QTBUG-46231
Reviewed-by: Pasi Keränen <pasi.keranen@digia.com>

Change-Id: I5012a20630bfe29fe41ae8b3bb25d99da3b6451b

Change-Id: I619891ab78a909abb46bccbeb64eb2c531959b19
Task-number: QTBUG-45824
Reviewed-by: Pasi Keränen <pasi.keranen@digia.com>

Setting default name for a texture attempted to set name to current
2D texture always, even if accessing cube texture.

Change-Id: I5d509b73cb5c635073c163033d17501d0e77afc7
Reviewed-by: Pasi Keränen <pasi.keranen@digia.com>

Significantly reduced copy/pasted code from uniform and attribute
functions.

Change-Id: Ie82a7551faf885fce65912916f2e1efa242794ec
Reviewed-by: Pasi Keränen <pasi.keranen@digia.com>

- Removed the superfluous \internal tags from documentation.
  All classes are private, so \internal is implied.
- Fixed/clarified miscellaneous documentation.

Change-Id: If1a1c1fa7745becebc1199298cd1fb08f0bd55fc
Reviewed-by: Pasi Keränen <pasi.keranen@digia.com>

- Add frame times to ui
- Remove unused shader variable

Change-Id: Id9527b58fc9c7ba07d7bfbf2947507ade681bb35
Reviewed-by: Pasi Keränen <pasi.keranen@digia.com>

LGPLv3 refers to it but does not include it in its body.

Change-Id: Ib056b47dde3341ef9a52ffff13eed18cf3504738
Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>

Many synchronous commands should return null according to WebGL spec,
so changed the handling of synchronous commands to always check if
an OpenGL error occurred, and return null appropriately.

Change-Id: Ia6e814de728f16918e8396eccc10bd277236b47c
Task-number: QTBUG-46533
Reviewed-by: Pasi Keränen <pasi.keranen@digia.com>

Change-Id: I93074efbcbb5fcf41cd09e937eb9ddeff96c33a9

Delete operator was being used incorrectly and unnecessarily.

Change-Id: I0a949c8e62fd3044982e39579ab97bc5703f1e48
Reviewed-by: Pasi Keränen <pasi.keranen@digia.com>

The old frameTimeMs() function only measures time spent executing
OpenGL commands, but ignores the time spent parsing JavaScript, which
can be significant portion of the rendering a frame.
The frameSetupTimeMs() method is added to measure time spent parsing
JavaScript.

[ChangeLog][Renderer] Added Canvas3D::frameSetupTimeMs()

Change-Id: Ic3549343ea4477d798a8cdb139fa2c9f769b834c
Reviewed-by: Pasi Keränen <pasi.keranen@digia.com>

Creating context outside onInitializeGL() is not supported, so fixed
the test cases accordingly. Removed the basic creation test case,
since that was redundant.

Change-Id: I5c67f9013bfae7476bef8e789316c3f019902ce5
Reviewed-by: Pasi Keränen <pasi.keranen@digia.com>

The default texture was invalid (GL id 0), so canvas drew as black
rectangle before the first frame was rendered. Changed the default
texture to a valid fully transparent one pixel texture to give
applications control over what to show before the first frame.

[ChangeLog][Renderer] Fix black canvas at startup

Change-Id: Ia91a494c002403f1622e093a75d00cf224166e94
Reviewed-by: Pasi Keränen <pasi.keranen@digia.com>

Use QQuickWindow::TextureHasAlphaChannel texture option in render
node when 'alpha' context attribute is true. The 'alpha'
attribute now defaults to true as per WebGL spec.

Also fixed the default values and the documentation of other context
attributes to match WebGL spec.

[ChangeLog][Context3D] Support for 'alpha' context attribute

Task-number: QTBUG-46515
Change-Id: Ic4d4e46e4e323517343690a2916b6b9363107a87
Reviewed-by: Pasi Keränen <pasi.keranen@digia.com>

Change-Id: I63be57b56cd41e85ad232a4cf6cbdd6597db4319
Reviewed-by: Pasi Keränen <pasi.keranen@digia.com>

Conflicts:
	src/imports/qtcanvas3d/canvas3d.cpp
	src/imports/qtcanvas3d/canvas3d_p.h

The Canvas::frameTimeMs() method had to be changed a bit to fit
the new architecture.

Change-Id: I34a3db1b07492bf37045376bd42690993a2d2f15

Change-Id: I30819263e2f9dd46a6a891d5a53f9d45323664e3