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The textureInfo() function was returning pointers to the
m_textures array, which would then be stored in the
m_glyphTextures map and other places in the renderer.
Then the function then later resized it, the renderer
would be riddled with dangling pointers and crash pretty
quickly.
There is a preset maximum texture count, so we just make
sure the array is the correct size to begin with and
never resize it.
In addition, this contains a port of
46d72a117df642135718b38995346267312c4808 and
9a53834f1e7fce2fc3b1ecc2a311faedbc371d37 from Qt Quick.
Note: Glyph recycling does not seem to work, so you may end
up running out of cache space. However, it will no longer crash,
but glyphs will be missing instead.
Fixes: QT3DS-4235
Change-Id: I7d9707ff95ac0838e7e6574714a06ac1c23986fa
Reviewed-by: Janne Koskinen <janne.p.koskinen@qt.io>
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We can't assume the stride of the internal QImage data matches the
width, since this is likely to be aligned to four bytes.
Therefore we copy one scan line at the time instead.
[ChangeLog][Text] Pregenerating distance field caches would sometimes
lead to corrupted rendering.
Fixes: QT3DS-3908
Change-Id: I3c30c6c707d6f220d852d6c067301ab4d468884c
Reviewed-by: Jere Tuliniemi <jere.tuliniemi@qt.io>
Reviewed-by: Tomi Korpipää <tomi.korpipaa@qt.io>
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There is a new pure virtual in the base class in 5.14. It is not very
relevant here since this glyph cache is not used in combination with
the df text materials of Qt Quick. We can nonetheless implement the
virtual and return the correct value.
Task-number: QT3DS-3856
Change-Id: I97b807ec73a664488b63c8888bc8cd90a9c53589
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@qt.io>
Reviewed-by: Antti Määttä <antti.maatta@qt.io>
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Initial commit of OpenGL Runtime to repository.
Based on SHA1 61823aaccc6510699a54b34a2fe3f7523dab3b4e
of qt3dstudio repository.
Task-number: QT3DS-3600
Change-Id: Iaeb80237399f0e5656a19ebec9d1ab3a681d8832
Reviewed-by: Pasi Keränen <pasi.keranen@qt.io>
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