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from Jason Wilkins (jwilkins)
left out openjpeg changes since this library needs updating.
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"__force_inline" keyword used in Cycles header is not defined
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Sponsored by the Blender Development Fund.
http://www.blender.org/blenderorg/blender-foundation/development-fund/
Remarks:
The original code was not designed to support moving obstacles so I had to introduce some velocity constraints into the code to prevent smoke from exploding. If this causes problems with "fire" emulation, please let me know.
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* Fix for [#31099] Audio in Meta-Strips Plays Beyond Strip Cut
* Adding a split files option to the mixdown operator which then renders each channel into a separate file
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=== BVH build time optimizations ===
* BVH building was multithreaded. Not all building is multithreaded, packing
and the initial bounding/splitting is still single threaded, but recursive
splitting is, which was the main bottleneck.
* Object splitting now uses binning rather than sorting of all elements, using
code from the Embree raytracer from Intel.
http://software.intel.com/en-us/articles/embree-photo-realistic-ray-tracing-kernels/
* Other small changes to avoid allocations, pack memory more tightly, avoid
some unnecessary operations, ...
These optimizations do not work yet when Spatial Splits are enabled, for that
more work is needed. There's also other optimizations still needed, in
particular for the case of many low poly objects, the packing step and node
memory allocation.
BVH raytracing time should remain about the same, but BVH build time should be
significantly reduced, test here show speedup of about 5x to 10x on a dual core
and 5x to 25x on an 8-core machine, depending on the scene.
=== Threads ===
Centralized task scheduler for multithreading, which is basically the
CPU device threading code wrapped into something reusable.
Basic idea is that there is a single TaskScheduler that keeps a pool of threads,
one for each core. Other places in the code can then create a TaskPool that they
can drop Tasks in to be executed by the scheduler, and wait for them to complete
or cancel them early.
=== Normal ====
Added a Normal output to the texture coordinate node. This currently
gives the object space normal, which is the same under object animation.
In the future this might become a "generated" normal so it's also stable for
deforming objects, but for now it's already useful for non-deforming objects.
=== Render Layers ===
Per render layer Samples control, leaving it to 0 will use the common scene
setting.
Environment pass will now render environment even if film is set to transparent.
Exclude Layers" added. Scene layers (all object that influence the render,
directly or indirectly) are shared between all render layers. However sometimes
it's useful to leave out some object influence for a particular render layer.
That's what this option allows you to do.
=== Filter Glossy ===
When using a value higher than 0.0, this will blur glossy reflections after
blurry bounces, to reduce noise at the cost of accuracy. 1.0 is a good
starting value to tweak.
Some light paths have a low probability of being found while contributing much
light to the pixel. As a result these light paths will be found in some pixels
and not in others, causing fireflies. An example of such a difficult path might
be a small light that is causing a small specular highlight on a sharp glossy
material, which we are seeing through a rough glossy material. With path tracing
it is difficult to find the specular highlight, but if we increase the roughness
on the material the highlight gets bigger and softer, and so easier to find.
Often this blurring will be hardly noticeable, because we are seeing it through
a blurry material anyway, but there are also cases where this will lead to a
loss of detail in lighting.
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and looks like -fpermissive is used in linux too
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to ints. All cases found were harmless and the error behaviour could be turned off by the -fpermissive flag but I'd rather keep that off to detect any real problems should they arise.
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slight modifications.
Thanks!
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build:
http://sourceforge.net/projects/mingw-w64/files/Toolchains%20targetting%20Win64/Personal%20Builds/ray_linn/GCC-4.7.0-with-ada/mingw-w64-gcc-4.7.0-runtime-2.0.1-static-ada-20120330.7z/download
Other builds may also work but due to the constantly changing nature of the compiler this cannot be guaranteed. I often had to change compilers while building the libraries and this one is the one that did the job for most of them.
This first support is experimental and considered "advanced". To enable pass -DWITH_MINGW64 during cmake configuration. Also make sure to extract the compiler on C:/MinGW and that MinGW/bin is in your path. To build check out lib/mingw64.
Initially the support is lacking until I get every library compiled correctly. For now you should disable WITH_CYCLES(sorry, I know some people are dying to do benchmarks, but still a few libs to go), WITH_IMAGE_OPENEXR, WITH_OPENCOLLADA, WITH_LIBMV and WITH_CODEC_FFMPEG(links but hangs on startup).
Still the tools are working, the memory limit is increased and due to the experimental nature of the setup, full optimization with SSE2 is available, which makes the build quite fast. Also the compiler and especially, the linker are way faster than regular MinGW.
The wiki docs have also updated. Happy testing!
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size now, this seems to work well after some testing.
Fix: material override not working on objects without a material assigned.
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PVS-Studio.
Remark: I think that "!(nbored & CFBnd)" would be correct but it introduced other bugs so, I just quiet compiler warnings leaving the running system untouched.
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Canceling fluid simulation did not work when speed was zero.
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Note: Supporting obstacles which can be enabled/disabled as animated propoerty is not likely to happen. So I marked this as "Won't fix"/TODO.
I also reverted last commit on this bug because it didn't work and disabled the property from UI to avoid confusion.
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More info from bf-committers:
http://lists.blender.org/pipermail/bf-committers/2012-April/036339.html
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when rendering a subset instead of the whole, mostly useful for debugging.
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instead.
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Reading in triangles now skips any NaN coordinates.
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Needs testing for sideeffects.
If there are negative sideeffects, revert commit and mark as "will not fix"/"not supported"/"needs UI fix".
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individual render layers.
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correct with instancing.
Actually such object will not work in many places, e.g. transforming vertices
in edit mode doesn't work and textures will be misapplied in Blender Internal,
so these should be avoided.
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vert was incorrect after selecting the first face).
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windows only lib on non windows platforms (scons only).
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cleared som warnings.
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function.
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* Reverted the general activation of __KERNEL_SHADING__.
Better to handle this in the device file. This way each platform gets specifically what it is capable of atm.
* Nvidia has Shading + Multi Closure
* AMD (Apple) has only Clay Render
* AMD (non Apple) has Basic Shading
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errors. Thanks for reporting!
Problem: AMD does not like something like this.
float3 *a;
flaot b = a->x;
You need to circumvent this by using:
float3 *a;
float b = (*a).x;
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blenlib, and some type conversions
This is from a patch that is in the tracker, but it leaves out a fix of BLI_gzopen which needs more work.
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- memset(..., -1) is used incorrectly even though it worked: MOD_solidify.c - thanks Halley from IRC for noticing this. use fill_vn_i() instead.
- quiet warnings in editmesh_slide.c
- cleanup comments in bmesh and some other minor comment additions.
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* Typo fix, preventing mingw to compile.
Found by XercesBlue in IRC:
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its no longer needed.
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* Enable __KERNEL_SHADING__ per default for OpenCL.
This enables basic shading (color, emission, textures...) for AMD cards.
You need the latest AMD catalyst driver in order to have this work.
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but this makes it more reliable for now.
Also add an integrator "Clamp" option, to clamp very light samples to a maximum
value. This will reduce accuracy but may help reducing noise and speed up
convergence.
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