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Remove use of GL* constants and types inside the codebase. There is still
a few occurence to get rid of.
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This is because the DRW module is no longer compatible with drawing using
MSAA.
This also change the Python API.
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Note this only changes cases where the variable was declared inside
the for loop. To handle it outside as well is a different challenge.
Differential Revision: https://developer.blender.org/D7320
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Follow up of b2ee1770d4c3 and 10c2254d412d, part of T74432.
Now the area and region naming conventions should be less confusing.
Mostly a careful batch rename but had to do few smaller fixes.
Also ran clang-format on affected files.
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Adds a check when starting blender if your platform is supported. We use a blacklist
as drivers are updated more regular then blender (stable releases).
The mechanism detects if the support level changed or has been validated by the user previously.
Changes can happen due to users updating their drivers, but also when we change the support
level in our code base.
When the user has seen the limited support level message it is saved in the user config.
It would be better to have a system specific config section, but currently not clear
what could benefit from that.
When the platform is unsupported or has limited support a dialog box will appear including a link
to our user manual describing what to do.
**Windows**
Windows uses the MessageBox that is provided by the windows kernel.
**X11**
We use a very lowlevel messagebox for X11. It is very limited in use and can be fine tuned when needed.
**SDL/APPLE**
There is no implementation for SDL or APPLE at this moment as the platform support feature targets mostly Windows users.
Reviewed By: brecht
Differential Revision: https://developer.blender.org/D5955
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When the result isn't used, prefer post increment/decrement
(already used nearly everywhere in Blender).
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Apply clang format as proposed in T53211.
For details on usage and instructions for migrating branches
without conflicts, see:
https://wiki.blender.org/wiki/Tools/ClangFormat
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D4510 by @harley
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While \file doesn't need an argument, it can't have another doxy
command after it.
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Move \ingroup onto same line to be more compact and
make it clear the file is in the group.
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BF-admins agree to remove header information that isn't useful,
to reduce noise.
- BEGIN/END license blocks
Developers should add non license comments as separate comment blocks.
No need for separator text.
- Contributors
This is often invalid, outdated or misleading
especially when splitting files.
It's more useful to git-blame to find out who has developed the code.
See P901 for script to perform these edits.
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Needed for clang formatting to workaround bug/limit, see: T53211
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Seems like a driver bug but doing glFlush() before these calls fixes it.
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Instead of doing a lot of alpha blended drawing with jittering, use the
fragment shader to do the masking using a circle mask.
This is much simpler and requires much less resources.
Hopefully this may solve the issue we have with the Intels UHD Graphics 620
on linux.
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It is was not really a bottleneck but it was triggering my OCD when 1/3rd
of the drawcalls in a normal scene were basically only caused by this.
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Thanks to @sergey for review
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Area geometry management is quite complex and not easy to get into. We should
gradualy build an API that abstracts away this complexity.
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This used to be rather cryptic and it was easy to forget the `+ 1` which in fact
is needed to get the correct width/height, see e626998a262ebe4f. This should
also fix some minor off-by-one errors.
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This translates the gl calls to the new GPU_ wrappers from D3501.
Given it's tedious and repetitive work, this patch does as much as it can with search + replace, the remainder of the gl calls will need to be manually dealt with on a case by case basis.
This fixes 13 of the 28 failing editors when building without opengl.
For the list of substitutions see D3502
Reviewers: brecht
Differential Revision: https://developer.blender.org/D3502
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For Blender 2.8 we had to be compatible with very old OpenGL versions, and
triple buffer was designed to work without offscreen rendering, by copying
the the backbuffer to a texture right before swapping. This way we could
avoid redrawing unchanged regions by copying them from this texture on the
next redraws. Triple buffer used to suffer from poor performance and driver
bugs on specific cards, so alternative draw methods remained available.
Now that we require newer OpenGL, we can have just a single draw method
that draw each region into an offscreen buffer, and then draws those to
the screen. This has some advantages:
* Poor 3D view performance when using Region Overlap should be solved now,
since we can also cache overlapping regions in offscreen buffers.
* Page flip, anaglyph and interlace stereo drawing can be a little faster
by avoiding a copy to an intermediate texture.
* The new 3D view drawing already writes to an offscreen buffer, which we
can draw from directly instead of duplicating it to another buffer.
* Eventually we will be able to remove depth and stencil buffers from the
window and save memory, though at the moment there are still some tools
using it so it's not possible yet.
* This also fixes a bug with Eevee sampling not progressing with stereo
drawing in the 3D viewport.
Differential Revision: https://developer.blender.org/D3061
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Note: Not bothering with doversion, re-using 280, 10 bump.
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We bring back embossing however only for areas.
We use the same color for the corners.
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This makes easier to distinguish between different editors
(as oppose to an editor and its regions).
Note action zones look a bit strange with this. I recommend we do next:
* Make sure all 4 corners can be used as action zones.
* Remove their drawing code (or show them only on mouse hover).
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These no longer made much sense after regions were added, they just
duplicated state that was already in the regions.
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It's unlikely to ever be intentional to square the source alpha, as happens
with glBlendFunc, so this changes the blending throughout the code.
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# Conflicts:
# intern/cycles/blender/blender_mesh.cpp
# source/blender/editors/screen/screen_ops.c
# source/blender/editors/space_view3d/drawobject.c
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