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Same as other build options, don't make it a hard requirement to have
Wayland libraries installed when it gets enabled by default.
Also fixes wayland-protocols not being found on the buildbot.
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This allows individual users or Linux distributions to specify a directory
Cycles will automatically look for the OptiX include folder, to compile kernels
at runtime.
It is still possible to override this with the OPTIX_ROOT_DIR environment
variable at runtime.
Based on patch by Sebastian Parborg.
Ref D15792
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Contributed by Alaska.
Differential Revision: https://developer.blender.org/D15794
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This is highly coupled to Blender logic so doesn't belong in Cycles.
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This is a more C++ friendly version MEM_calloc_arrayN, like MEM_cnew is for
MEM_callocN. For cases where data structures are still C and Vector or Array
don't work.
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Our convention is to use `INC_*` for include directories,
this caused `make check_cmake` to incorrectly fail as it expected
these files to be include directories.
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- Don't create utf8 text for key release events.
- Reduce variable scope.
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Regression in recent fix for T66088 [0]. caused by much older problem
introduced with [1] & [2].
Unlike other platforms, as of [1] GHOST/Win32 was keeping track of the
pressed modifier keys.
Since GHOST/Win32 cleared the modifier state on window activation [2]
and only changes to modifier state would generate key events, activating
the window and releasing the modifier would not send the release event.
Resolve this by removing the stored modifier state from GHOST/Win32,
always passing modifier press/release events through to Blender
(matching other GHOST back-ends).
Instead, use key-repeat detection to prevent repeated modifier keys
from being generated - an alternate solution to T26446.
[0]: 8bc76bf4b957c51ddc5a13c6305f05c64b218a27
[1]: d6b43fed313b60bb6a269680b3c5622955b8a690
[2]: 6b987910e43ff5f91512a3c361ea3141590d4e45
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The calculation was revised to address two issues:
* Discontinuities occurring when detail was a non-integer greater than 2.
* Levels of detail in the interval [0,1) repeating the levels of detail in
the interval [1,2).
This fixes Cycles, Eevee and geometry nodes.
Differential Revision: https://developer.blender.org/D15785
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Add a GHOST_kEventWindowDPIHintChanged event to ensure the UI is
properly updated.
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Fix typo in blender_release.cmake, and ensure that "make release" still works
when ocloc is not available. While a fatal error is useful for debugging, the
current convention is to disable features, especially in cases like this where
there is no simple way to make the feature work.
Differential Revision: https://developer.blender.org/D15774
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Differential Revision: https://developer.blender.org/D15299
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To avoid conflicts with BLI headers and simplify code.
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Based on the paper "Practical Hash-based Owen Scrambling" by Brent Burley,
2020, Journal of Computer Graphics Techniques.
It is distinct from the existing Sobol sampler in two important ways:
* It is Owen scrambled, which gives it a much better convergence rate in many
situations.
* It uses padding for higher dimensions, rather than using higher Sobol
dimensions directly. In practice this is advantagous because high-dimensional
Sobol sequences have holes in their sampling patterns that don't resolve
until an unreasonable number of samples are taken. (See Burley's paper for
details.)
The pattern reduces noise in some benchmark scenes, however it is also slower,
particularly on the CPU. So for now Progressive Multi-Jittered sampling remains
the default.
Differential Revision: https://developer.blender.org/D15679
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As mentioned in T89399, "the source of this bug is that cursor wrap
moves the cursor, but when it later checks the mouse position it hasn't
yet been updated, so it re-wraps".
As far as I could see, this happens for two reasons:
1. During the first warp, there are already other mousemove events in the queue with an outdated position.
2. Sometimes Windows occasionally and inexplicably ignores `SetCursorPos()` or `SendInput()` events. (See [1])
The solution consists in checking if the cursor is inside the bounds right after wrapping.
If it's not inside, it indicates that the wrapping either didn't work or the event is out of date.
In these cases do not change the "accum" values.
1. https://github.com/libsdl-org/SDL/blob/f317d619ccd22e60cebf1b09d716d3985359c981/src/video/windows/SDL_windowsmouse.c#L255)
Maniphest Tasks: T89399
Differential Revision: https://developer.blender.org/D15707
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This gave a 1.1x speedup, however also leads to very long compile times
that make it seems like Blender has stopped working.
This can be brought back in the future behind an option that users can
explicitly enabled.
Fix T100102
Ref D14923, D14763, T92212
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Always unset these variables after use as they could interfere with
other checks made afterwards.
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Instead of using macros like GLIBC we can use the CMake build
systems internal functions to check if some header or functions are
present on the running system's libc.
Add ./build_files/cmake/have_features.cmake to add checks for
platform features which can be used to set defines for source
files that require them.
Reviewed By: campbellbarton
Ref D15696
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With the ultimate goal of simplifying drawing and evaluation,
this patch makes the following changes and removes code:
- Use `Mesh` instead of `DispList` for evaluated basis metaballs.
- Remove all `DispList` drawing code, which is now unused.
- Simplify code that converts evaluated metaballs to meshes.
- Store the evaluated mesh in the evaluated geometry set.
This has the following indirect benefits:
- Evaluated meshes from metaball objects can be used in geometry nodes.
- Renderers can ignore evaluated metaball objects completely
- Cycles rendering no longer has to convert to mesh from `DispList`.
- We get closer to removing `DispList` completely.
- Optimizations to mesh rendering will also apply to metaball objects.
The vertex normals on the evaluated mesh are technically invalid;
the regular calculation wouldn't reproduce them. Metaball objects
don't support modifiers though, so it shouldn't be a problem.
Eventually we can support per-vertex custom normals (T93551).
Differential Revision: https://developer.blender.org/D14593
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The dummy `m_system` variable is not needed in the GHOST_NULL classes
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Avoid redundant drawing, match GHOST/GLX behavior.
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Logic for NDOF devices is shared with X11, process events using
GHOST_NDOFManagerUnix when WITH_INPUT_NDOF is enabled.
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The auto refresh option should be ignored in this case.
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With this patch true headless OpenGL rendering is now possible on Linux.
It changes the logic of the WITH_HEADLESS build flag.
The headless backend is now always available with regular builds and
Blender will try to fall back to it if it fails to initialize other
backends while in background mode.
The headless backend only works on Linux as EGL is not used on Mac or Windows.
libepoxy does support windows and mac, so this can perhaps be remedied in the future.
Reviewed By: Brecht, Jeroen, Campbell
Differential Revision: http://developer.blender.org/D15555
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This cleans up the OpenGL build flags and linking.
It additionally also removes some dead code.
One of these dead code paths is WITH_X11_ALPHA which actually never was
active even with the build flag on. The call to use this was never
called because the default initializer for GHOST was set to have it off
per default. Nothing called this function with a boolean value to enable it.
These cleanups are needed to support true headless OpenGL rendering.
Without these cleanups libepoxy will fail to load the correct OpenGL
Libraries as we have already linked them to the blender binary.
Reviewed By: Brecht, Campbell, Jeroen
Differential Revision: http://developer.blender.org/D15554
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