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3396 Commits

Author SHA1 Message Date
Brecht Van Lommel
3d847ed6e6 Fix #36064: cycles direct/indirect light passes with materials that have zero 
RGB color components gave non-grey results when you might no expect it.

What happens is that some of the color channels are zero in the direct light
pass because their channel is zero in the color pass. The direct light pass is
defined as lighting divided by the color pass, and we can't divide by zero. We
do a division after all samples are added together to ensure that multiplication
in the compositor gives the exact combined pass even with antialiasing, DoF, ..

Found a simple tweak here, instead of setting such channels to zero it will set
it to the average of other non-zero color channels, which makes the results look
like the expected grey.
 2013-07-08 23:31:45 +00:00
Brecht Van Lommel
a2553444fa Fix #35969: blender internal and cycles not updating mesh while in edit mode. 
Patch for blender internal made by Campbell.
 2013-07-08 22:41:14 +00:00
Sergey Sharybin
7d2030d233 Arrempt to fix Cycles compilation with Clang 
Issue is caused by missing sse flags for Clang compilers,
this flags only was set for GNU C compilers.

Added if branch for Clang now, which contains the same
flags apart from -mfpmath=sse, This is because Clang was
claiming it's unused argument.

Probably OSX would need some further checks since it's
also using Clang. I've got no idea why it could have
worked for OSX before..
 2013-07-07 18:29:57 +00:00
Brecht Van Lommel
e75064bd34 Fix #36037: cycles from dupli generated texture coordinates were wrong, should 
have been normalized to 0..1 range.
 2013-07-07 10:39:56 +00:00
Campbell Barton
905cb1639a update doxygen congfig and tweaks to warnings when running doxygen. 2013-07-03 04:47:50 +00:00
Brecht Van Lommel
65cbcde831 Fix cycles world ray visibility not working correct with multiple importance 
sampling.
 2013-07-02 21:03:16 +00:00
Brecht Van Lommel
c776d5e003 Fix #35904: on Windows force NVidia Optimus, which does automatic graphics 
switching between an integrated Intel and a dedicated NVidia card, to use the
dedicated card for Blender.

A more portable and general solution would be nice, but it's all I could find:
http://developer.download.nvidia.com/devzone/devcenter/gamegraphics/files/OptimusRenderingPolicies.pdf
 2013-06-28 17:58:48 +00:00
Brecht Van Lommel
54b1976958 Fix #35896: cycles crash with OSL image textures and viewport + preview render 
running at the same time.
 2013-06-28 13:05:21 +00:00
Thomas Dinges
c15b13f78f Cycles / Ramp closures: 
* Fix crash with negative values in Phong Ramp, and add some checks to survive INF and NAN values. 

Patch by Brecht and myself.
 2013-06-27 16:08:06 +00:00
Thomas Dinges
c6ce8de20e Code cleanup / Cycles: 
* Some cleanup for castings.
 2013-06-27 15:48:16 +00:00
Brecht Van Lommel
b466a5c9a9 Fix #35890: memory leak in OS X ghost locale detection. 2013-06-27 13:24:55 +00:00
Campbell Barton
603258d763 fix for zero length normalize before scanfill for meshes and other minor changes. 2013-06-27 04:32:44 +00:00
Thomas Dinges
29a82a04fa Cycles: 
* Assure SSE2 intrinsics are also used on SSE3 CPUs and x86.
 2013-06-27 00:03:48 +00:00
Brecht Van Lommel
7902fa57b6 Code cleanup: cycles 
* Reshuffle SSE #ifdefs to try to avoid compilation errors enabling SSE on 32 bit.
* Remove CUDA kernel launch size exception on Mac, is not needed.
* Make OSL file compilation quiet like c/cpp files.
 2013-06-26 23:29:33 +00:00
Thomas Dinges
372c4f80f4 * Comment out change from r57790 to fix compilation for now. 2013-06-26 23:15:52 +00:00
Thomas Dinges
ce06d6d795 Cycles / Brick texture: 
* Avoid some unneeded int castings, they were only needed in the original Texture Nodes implementation as custom1 and custom2 were shorts.
 2013-06-26 23:08:18 +00:00
Thomas Dinges
15f5da4cd4 Cycles / SSE2: 
* kernel_sse2 was built without actual SSE2 intrinsics on x86 systems.
 2013-06-26 22:12:23 +00:00
Brecht Van Lommel
e11e30aadf Fix Cycles OpenCL issue if context/program creation fails, mistake by me, 
patch #35866 by Doug Gale to fix it.
 2013-06-26 12:24:33 +00:00
Brecht Van Lommel
8574808b2d Fix #35546: clicking cycles "Use Nodes" did not do a proper undo push, due to 
button disappearing as soon as it's clicked. Workaround now is to make this an
operator. Thanks to Lukas and Campbell for tracking this down.
 2013-06-25 16:38:40 +00:00
Brecht Van Lommel
0309f442bb Render stats text: show elapsed time for blender internal, hide useless "Single Layer" 
at the start, more clearly indicate what the render time of the last frame was, some
other tweaks for consistency.
 2013-06-24 22:41:24 +00:00
Thomas Dinges
15aed4127b Fix [#35852], hide Cycles sampling pattern menu, when using GPU. 2013-06-24 04:28:07 +00:00
Brecht Van Lommel
8acdc0515d Fix #35847: cycles group nodes did not work well exposing inputs like normal or 
texture coordinate that should automatically use the default normal or texture
coordinate appropriate for that node, rather than some fixed value specified by
the user.
 2013-06-23 19:24:32 +00:00
Brecht Van Lommel
240fb6fa26 Cycles: ensure any SSE data is allocated 16 byte aligned, happens automatically 
on many platforms but is not assured everywhere.
 2013-06-22 14:35:09 +00:00
Brecht Van Lommel
5da48f425f Cycles OSL: don't set optimize=2 option in OSL shading system, this is already 
the default, and by not setting it the user can override it with an environmnet
variable, for example:

export OSL_OPTIONS="optimize=0"
 2013-06-22 12:52:15 +00:00
Campbell Barton
dfbbac9b94 style cleanup 2013-06-22 10:59:30 +00:00
Brecht Van Lommel
86c7bf7331 Fix #35812: cycles image texture node not doing proper alpha handling of PNG 
images with open shading language enabled.
 2013-06-21 13:05:10 +00:00
Brecht Van Lommel
2e3035dd80 Cycles OpenCL: make displacement and world importance sampling work. 2013-06-21 13:05:08 +00:00
Brecht Van Lommel
e1f79351d6 Fix #35804: NVidia OpenCL render issue after sampler changes, workaround what looks like a compiler bug. 2013-06-21 12:34:34 +00:00
Brecht Van Lommel
2df82a2a2b Code cleanup: fix some vs2012 compiler warnings 2013-06-21 12:33:19 +00:00
Brecht Van Lommel
8d6e5e2fee Cycles: update build configurations to include CUDA sm_35 architecture. When using 
a compiler older than CUDA 5.0 it will give a warning and skip this architecture.
 2013-06-20 13:10:47 +00:00
Joerg Mueller
e5944d23ed Fix for [#35230] CPU freeze at playback after cutting/deleting/duplicating audio strip 2013-06-20 07:46:40 +00:00
Brecht Van Lommel
f811e6e3ae Cycles: optimized SSE BVH traversal now also works with SSE2 CPUs, so all the 
way back to Pentium 4, using a slightly less efficient instruction.

Also ensure /Ox is used for Visual Studio for RelWithDebInfo builds.
 2013-06-19 17:54:26 +00:00
Brecht Van Lommel
16204bd647 Cycles: prepare to make CUDA 5.0 the official version we use 
* Add CUDA compiler version detection to cmake/scons/runtime
* Remove noinline in kernel_shader.h and reenable --use_fast_math if CUDA 5.x
  is used, these were workarounds for CUDA 4.2 bugs
* Change max number of registers to 32 for sm 2.x (based on performance tests
  from Martijn Berger and confirmed here), and also for NVidia OpenCL.

Overall it seems that with these changes and the latest CUDA 5.0 download, that
performance is as good as or better than the 2.67b release with the scenes and
graphics cards I tested.
 2013-06-19 17:54:23 +00:00
Jürgen Herrmann
a7416641e6 Fix for Debug build on MSVC2008 and MSVC2012 after Cycles Kernel optimization: 
Compiler optimization was accidentally set to /Ox for debug build too.
Changed this to be /Od in Debug and /Ox in Release mode.
 2013-06-19 17:17:51 +00:00
Thomas Dinges
dd54b99b33 Cycles / UI: 
* Some tweaks to the material "Settings" panel.
 2013-06-18 22:34:37 +00:00
Brecht Van Lommel
649dd6f648 Fix cycles crash on some processors. We actually need S-SSE3 support for this 
new BVH traversal code, not just SSE3.
 2013-06-18 16:52:02 +00:00
Brecht Van Lommel
484d765bd4 Cycles: attempt to fix internal compile error with some visual studio builds 2013-06-18 13:19:16 +00:00
Jürgen Herrmann
5fc1d9205a Cycles BVH Build fix for MSVC 2012. 
needs to include intrin.h for _BitScanForward and _BitScanReverse.
 2013-06-18 12:32:43 +00:00
Thomas Dinges
c194cdaedf Cycles / BVH: 
* GCC needs -mssse3 compile flag too (4.7.2) to compile.
 2013-06-18 10:05:47 +00:00
Brecht Van Lommel
d57c6748c4 Cycles: optimization for BVH traveral on CPU's with SSE3, using code from Embree. 
On the BMW scene, this gives roughly a 10% speedup overall with clang/gcc, and 30%
speedup with visual studio (2008). It turns out visual studio was optimizing the
existing code quite poorly compared to pretty good autovectorization by clang/gcc,
but hand written SSE code also gives a smaller speed boost there.

This code isn't enabled when using the hair minimum width feature yet, need to
make that work with the SSE code still.
 2013-06-18 09:36:06 +00:00
Brecht Van Lommel
9131adca9f Cycles: add "Transparent Shadow" option for materials, to disable them per material. 2013-06-18 09:36:00 +00:00
Campbell Barton
9161a4daa5 fix for own error in recent solitify refactor (r57402), face flip check was incorrect. 2013-06-14 16:10:32 +00:00
Thomas Dinges
88b30ccb8c Cycles: 
* Style cleanup for M_PI constants.
* Move Wireframe node into __EXTRA_NODES__ define
 2013-06-14 14:29:00 +00:00
Brecht Van Lommel
f8bfe53ded Fix #35730: cycles not rendering dupliverted metaball, needs another special 
exception.
 2013-06-13 14:33:18 +00:00
Brecht Van Lommel
f9b06060c2 Fix #35729: cycles normal maps not showing properly in preview render. 2013-06-13 13:55:05 +00:00
Brecht Van Lommel
a17d8a29bb Fix #35733: lamps on render layers that are both excluded and used for masking 
should not be used, same as emissive meshes.
 2013-06-13 13:09:32 +00:00
Brecht Van Lommel
a5f60e9337 Fix #35723: cycles motion blur rendering issue after recent optimizations to skip 
some unneeded object syncing.
 2013-06-12 20:47:48 +00:00
Brecht Van Lommel
37f92119e4 Fix #35665: more CUDA issues with recent kernel changes, tested on sm_20, sm_21 
and sm_30 cards, so hopefully it should all work now.

Also includes some warnings fixes related to nvcc compiler arguments, should make
no difference otherwise.
 2013-06-11 21:58:48 +00:00
Brecht Van Lommel
e895e2e0d1 Fix #35711: cycles border render issue after recent changes. 2013-06-11 14:15:46 +00:00
Brecht Van Lommel
de83a4f13c Fix #35251: cycles crash rendering with a particular user preferences configuration. 2013-06-11 12:52:02 +00:00