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This replaces sequential ray moving followed with scene intersection with
single BVH traversal, which gives us all possible intersections.
Only implemented for CPU, due to qsort and a bigger memory usage on GPU
which we rather avoid. GPU still uses the regular bvh volume intersection code, while CPU now uses the new code.
This improves render performance for scenes with:
a) Camera inside volume mesh
b) SSS mesh intersecting a volume mesh/domain
In simple volume files (not much geometry) performance is roughly the same
(slightly faster). In files with a lot of geometry, the performance
increase is larger. bmps.blend with a volume shader and camera inside the
mesh, it renders ~10% faster here.
Patch by Sergey and myself.
Differential Revision: https://developer.blender.org/D1264
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Splitting non-manifold edges could produce duplicate edges.
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Resolves bug over-splitting non-manifold connected edges.
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New utility function to handle splitting off multiple loops from a face at once.
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To split off a single loop, was splitting all fans off the vertex, then merging back together (except for one).
Now simply splits off one loop.
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- assert if the verts not in the edge (all callers assume success)
- rename to bmesh_disk_vert_swap
- swap src/dst arg order.
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Another issue spotted with Thomas.
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Object flags are depending on bounding box which is only available after
mesh synchronization.
This was broken since 7fd4c44 which happened quite close to the release
and oddly enough was not sopped by anyone. Render test is coming for this.
Was spotted by Thomas Dinges while working on another patch.
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Bug introduced in f8540d7fd5a47bc9d1d676d5aaaa0de379c71637
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We can now scale from 32px up to 256px (default has been upgraded to 128px).
Thumbnails are now generated as 'large', i.e. 256px.
Previews are scaled up if necessary, unlike icons (for folders or files without preview images).
Note that .blend thumbnails themselves remain in 128px for now (they are embeded in .blend files,
not quite sure we want to make them four times bigger...).
Patch by DMS (Yaron Dames), with final edits by myself.
Reviewers: mont29
Subscribers: Severin, mont29
Differential Revision: https://developer.blender.org/D1260
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Was own mistake on adding Alpha socket for Combined pass.
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Found by asan! ;)
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Noticed by TristanPorteries in IRC.
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freed by `free()`.
Probably nothing crucial, but asan build would crash on that stupid glitch... Annoying.
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Originally I wanted to get rid of RenderResult->rect* entirely, but it's
convenient to have for temporary structs.
This patch makes sure they are used only when really needed, which
should help clearing the code out.
(they are needed when using RE_AcquireResultImage() - which produces a
RenderResult with no RenderView)
Reviewers: sergey
Differential Revision: https://developer.blender.org/D1270
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RE_RenderViewGetByName()
Both functions try to find a valid RenderView and if they can't they
fallback to the first RenderView of the RenderResult
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Use for edge-split (a little less overhead compare to popping each item).
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Still need to solve issues with reading old cache with new builds.
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Avoid hashing edges when splitting into fans,
Instead, walk & split fans until they're all done, gives approx 40% speedup.
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loopcuts on cube have zfighting.
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CCFLAGS are used for both C and C++ compilers and one is better not to pass
C-related flags to C++ compiler. C-compiler flags are to be passed via CFLAGS
variable.
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This makes selection fail in simple cases,
default cube subdiv 10x for eg.
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In this case we can calculate an offset without worrying about
perspective correction. Unfortunately if looking from a camera we still
have depth issues here. There's no really general case that can fix this
so I'm leaving this as is.
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The reported crash case seems to be caused by freeing compiled Python
objects in a thread. Now this issue is avoided by allocating a buffer to
store a Python script and using BPY_string_exec() to run the script. This
makes it unnecessary to repeatedly create and destroy Text data blocks.
Many thanks to Campbell Barton for his help on the bug fix.
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Issue is zfighting with wire of mesh when parts of the mesh are close
together. We can make this slightly better by reducing the offset,
however this offset is calculated pre-perspective division and can vary
greatly with distance. Correct approach would be using polygon offset,
however we draw mesh wireframes as lines, (not polygons with polygon
mode line) so this approach will not work.
Alternatively, we could set an offset in a shader, however we don't have
code for that either.
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Code attempted to sync them with materials,
but its not needed (and wasn't reliable).
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matching normal' modes
would fail on coplanar faces (or smooth verts).
Loop remapping is really a tricky topic... For now, we enhance a bit more
our Frankenfunc by using distance between dest and source polygons as
fallback in case we have too much similar normals...
Probably not a perfect solution, but should be robust enough I hope.
One core question remains open though: do we want to stick to 'use only seams
to detect UV islands'? This makes things much simpler, but will obviously fail
in case of actual islands without matching seams. :/
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