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Previous wrap implementation was based on inverse
bilinear mapping, which doesn't give perspective.
Now plane track wrap estimates perspective transform
matrix as a homography estimation between frame
coordinates and plane corners.
Uses Libmv's implementation for this, which means
plane track wouldn't work properly with Libmv
disabled. Not a deal for official builds at all,
just folks who keeps things disabled need to be
aware of this.
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in SocketReader.
Distinguish the 3 different methods for acquiring pixel color values (executePixel, executePixelSampled, executePixelFiltered).
This makes it easier to keep track of the different sampling methods (and works nicer with IDEs that do code parsing).
Differential Revision: http://developer.blender.org/D7
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LOCK_DRAW_IMAGE used to be unlocked twice. Now made it
so all the thread-unsafe code is inside a single lock/
unlock section.
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offset/power/slope variables for the CDL mode in color balance node. This avoids stupid default values in particular for offset, which would be 1 when just using the lift value for it.
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The RenderLayers node would use the "combined" image result for all passes which don't have a valid render result yet. This causes problems when the buffer element size is not actually 4 floats (RGBA) as
with the 3 float normal passes. Also the result is rather meaningless then, so just keep the image buffer at NULL for unavailable passes, which will return plain (0,0,0) color.
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Thanks to David M (erwin94)
only added some comments.
https://projects.blender.org/tracker/?func=detail&aid=34178&group_id=9&atid=127
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- At Mind -
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checks for vectors.
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After discussion with Brecht decided that automatically updating the sockets of the node based on externally modified data (removed EXR file passes) is not desirable behavior. But at least making sure
the correct passes are assigned to the output sockets of the Image node is possible. Now the passes are matched by name instead of using the faulty index stored in the socket data, which is more
reliable. Still may break if changing pass names externally, but an image reload is highly recommended anyway and will fix that.
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MultiEXR mode, because it matches sockets and EXR layers by index and was skipping unconnected sockets. Simply create EXR layer info
for all sockets now and then ignore unconnected layers when finally writing to file in deinitExecution.
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Debug code for graphviz output moved to a dedicated file COM_Debug.h/cpp.
The DebugInfo class has only static functions, which are called from a number of places to keep track of what is happening in the compositor. If debugging is disabled these are just inline stubs, so we
don't need #ifdefs everywhere and don't get any overhead.
The graphviz output is much more useful now. DebugInfo keeps track of node names in a static string map for meaningful names. It uses a number of colors for various special operation classes.
ExecutionGroups are indicated in graphviz with clusters.
Currently the graphviz .dot files are stored in the BLI_temporary_dir() folder. A separate dot file is generated for each stage of the ExecutionGroup scheduling, this is intended to give some idea of the
compositor progress, but could still be improved.
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The chunk indices for scheduling chunks based on a given area were calculated incorrectly. This caused chunks at the very border of the render (pixels 256..257) to be omitted, leading to incorrect values
in the Z buffer of the test file, which in turn caused wrong normalization range and the resulting almost-white image.
Also added a dedicated executePixel function for Z buffer to avoid any interpolation of Z values.
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AA for plane warp node
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r59820).
Most convert operations can share a common base class with a single socket reader (except channel separate/combine nodes).
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The issue with wrapping is that it requires correct interpolation of the border pixels. Since interpolation is done at the far left end of the node tree in buffer/image/etc read operations, the wrapping
setting can not be used directly in those operations (otherwise in-line translate operations would cause conflicts). To make wrapping work correctly we need to add a buffer in front of the translate
operation, which can then be interpolated correctly based on wrapping. The WrapOperation becomes a variant of ReadBufferOperation, which uses its wrapping setting to determine the correct "extend" mode
for interpolation of the buffer.
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proper interpolation of pixel values when using wrapping in the Translate node. Implemented in inline functions, so won't cause
overhead if constant values are passed (as happens with most calls using the default argument).
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This merges all mix operations into a COM_MixBaseOperation
(naming could be better, but this way it corresponds to what's
going on with math operations.
Same was done with RenderLayers operations.
Overall this gives 20% of bf_compositor library compilation
time decrease. And it was rather annoying to have tens of
files with just a single-line constructors anyway.
TODO:
- All Convert operations could also be merged into a single file,
but that would require adding some ConvertBaseOperation to
reduce code duplication (ideally). Leaving it unchanged for now.
- Some operations' headers seems to be wrongly including MixOperation
header, they need to include NodeOperation instead it seems.
This is rather harmless, but would be nice to doublecheck on this
eventually.
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This disables crazy adaptive sampling happening in diagonal direction.
This still gives some doggyness, but it's much less dramatic now,
and behavior is pretty damn the same as EWA filtering when rendering
textures with Blender Internal.
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Problem is that the read/write buffer operations only work with actual
image inputs. If a singular value is used as group input no actual
buffer will be created, the write operation does not schedule any chunks
and the ReadBufferOperation subsequently returns zero
(MemoryBuffer::read).
The fix uses the (0,0) resolution to detect single value input of the
WriteBufferOperation. The actual resolution is then clamped to (1,1) to
ensure we have a single pixel to store the value in. A m_single_value
flag is also set, so we can reliably distinguish this from genuine image
resolutions without having to check m_width/m_height later on.
The ReadBufferOperation copies this flag from the associated
WriteBufferOperation and if set will always return the single value from
pixel (0,0).
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In fact, there's no need to get float buffer at all,
conversion could be done in pixel processor level
after interpolation.
It might give slightly worse interpolation results
(which i'm not sure would be visible by eye) but
it gives more than 2x speedup on my laptop on node
setups used for warping image.
--
svn merge -r58988:58989 ^/branches/soc-2011-tomato
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This commit includes all the changes made for plane tracker
in tomato branch.
Movie clip editor changes:
- Artist might create a plane track out of multiple point
tracks which belongs to the same track (minimum amount of
point tracks is 4, maximum is not actually limited).
When new plane track is added, it's getting "tracked"
across all point tracks, which makes it stick to the same
plane point tracks belong to.
- After plane track was added, it need to be manually adjusted
in a way it covers feature one might to mask/replace.
General transform tools (G, R, S) or sliding corners with
a mouse could be sued for this. Plane corner which
corresponds to left bottom image corner has got X/Y axis
on it (red is for X axis, green for Y).
- Re-adjusting plane corners makes plane to be "re-tracked"
for the frames sequence between current frame and next
and previous keyframes.
- Kayframes might be removed from the plane, using Shit-X
(Marker Delete) operator. However, currently manual
re-adjustment or "re-track" trigger is needed.
Compositor changes:
- Added new node called Plane Track Deform.
- User selects which plane track to use (for this he need
to select movie clip datablock, object and track names).
- Node gets an image input, which need to be warped into
the plane.
- Node outputs:
* Input image warped into the plane.
* Plane, rasterized to a mask.
Masking changes:
- Mask points might be parented to a plane track, which
makes this point deforming in a way as if it belongs
to the tracked plane.
Some video tutorials are available:
- Coder video: http://www.youtube.com/watch?v=vISEwqNHqe4
- Artist video: https://vimeo.com/71727578
This is mine and Keir's holiday code project :)
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- fix thumbnail preview (previously it showed only one input)
- make SplitViewer node update even if the second input is not connected
- now it works when the first socket is connected to a zero-sized node tree (e. g. Color Input node)
- SplitViewer node is now based on 2 operations: SplitOperation and ViewerOperation.
- ViewerBaseOperation was removed as a redundant one. Any future viewer style node can use the same principle and prepare the output before passing to an actual ViewerOperation.
Thanks Lukas Toenne for reviewing this patch and giving me get few pieces of advice.
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inconsistency between 2.67/2.68RC and previous versions
This was in fact really nasty bug, caused by multitex_nodes
function using global variable R (which is a copy of current
renderer). this variable is not initialized to anything
meaningful for until first rendering (preview or final)
happened.
Since multitex_nodes might be used outside of render pipeline,
made it so whether CM is on or off as an argument to functions
multitex_ext_safe and multitex_ext. Now multitex_nodes() is
only shall be used for stuff happening from render pipeline!
Also needed to make some changes to other places, so all the
usages of texture sampling knows for the fact whether CM is
on or off.
And one more change is related on behavior of dispalcement,
wave, warp, weightvg modifiers and smoke. They'll be always
using CM off since texture is used for influence, not for
color.
It's rather bigger patch, but it's mostly straightforward
changes, which we really need to be done.
Reviewed by Brecht, thanks!
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terminated.
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* [#35922] RGB Input Node doesn't work properly
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Was a stupid mistake in another fix here :(
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Multilayer EXR is not supported as a source for movie clip yet,
but there's no excuse to crash!
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unused defines and correct include guards.
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* Added a Modulo operation to the math node, available in Compositor, Shader and Texture Nodes.
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Such mapping only worked foe compositor output node
(with some issues btw) and failed dramatically for
nodes like previews and viewers.
For now let's behave the same way as border+crop
worked in 2.66 for until proper feature support
is ready (which could take some time).
Fixes #35313: object and ID anti-aliased masks get messed up
when using border render + crop
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Issue was caused by file output node actually,
The thing here is, compositor output does have fixed
resolution and we could predict how to map coordinates
for border and cropping in that case.
But viewers and file output nodes are currently totally
depending on an input resolution. Could not see how
border could be applied reliably in this cases.
Disabling border option for file output node, so
now it shall behave the same way as it was before.
Discovered issues when using cropping to render border,
namely there's an offset in viewer nodes and previews,
but this is separate issue i guess (file output seems
to work fine). Will revisit this issue in next days.
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