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Planar Texture Rotations Off 
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Joined: 2009-09-08 01:27:46
Posts: 172
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I drove myself a little batty with a large build I was working on at InWorldz, where the floor textures would not line up correctly no matter what I tried, and because I was building with the floor set to bumpy+shiny under deferred rendering, it stuck out like a sore thumb. So, after doing some investigating, I found that there appears to be a problem under Cool VL Viewer with the rotations of planar textures.

Here is a close up picture of where two prim surfaces meet, taken under Imprudence. The textures line up seamlessly and correctly:

And here is another close up that same section, this time under Cool VL Viewer:

Here's a snapshot of another copy of the same build, where the rotation problem is even worse (despite them being identical) and it becomes more invisible with bump+shiny under deferred rendering:

A friend of mine, who is running revision 1410 of the Phoenix Viewer reports seeing the same thing I was. In Imprudence it works fine, so not sure what's causing it.

Henri, at InWorldz I've sent you a copy of a build that reproduces the issue. The object name is "Texture Problem Example". Also, it's rather large (192x80 footprint)

Here's a copy&paste of the viewer info:
Cool VL Viewer 1.26.4 (23) Aug  4 2012 14:26:33 (Cool VL Viewer)
Release Notes

You are at 245329.3, 235966.1, 2752.9 in Isla Draconia located at (
InWorldz 0.7.2 R2265

CPU: AMD Phenom(tm) II X4 970 Processor (3500 MHz)
Memory: 7977 MB
OS Version: Linux 3.5.2-2-ck #1 SMP PREEMPT Sun Aug 19 02:57:57 EDT 2012 x86_64
Graphics Card Vendor: NVIDIA Corporation
Graphics Card: GeForce GTX 460/PCIe/SSE2
OpenGL Version: 4.2.0 NVIDIA 304.37

libcurl Version: libcurl/7.21.1 OpenSSL/1.0.0d zlib/1.2.5 c-ares/1.7.1
J2C Decoder Version: KDU
Audio Driver Version: OpenAL, version 1.1 ALSOFT 1.11.753 / OpenAL Community / OpenAL Soft: PulseAudio Software
Qt Webkit Version: 4.7.1 (version number hard-coded)
Packets Lost: 11/51726 (0.0%)

Built with GCC version 40302

Compile flags used for this build:
-O2 -fomit-frame-pointer -frename-registers -fweb -ftree-vectorize -fexpensive-optimizations -DLL_RELEASE=1 -DLL_RELEASE_FOR_DOWNLOAD=1 -DLL_SEND_CRASH_REPORTS=1 -DNDEBUG -Wall -Wno-sign-compare -Wno-trigraphs -Werror -Wno-reorder -Wno-non-virtual-dtor -Wno-deprecated -g -fexceptions -fno-strict-aliasing -fvisibility=hidden -fsigned-char -march=pentium4 -msse2 -mfpmath=sse -fno-math-errno -fno-trapping-math -pthread -fno-stack-protector -m32 -D_FORTIFY_SOURCE=2 -DLL_USE_TCMALLOC=1 -DLL_LINUX=1 -D_REENTRANT -DAPPID=secondlife -DLL_IGNORE_SIGCHLD -DLL_DBUS_ENABLED=1 -DLL_ELFBIN=1 -DOV_EXCLUDE_STATIC_CALLBACKS -DCARES_STATICLIB -DLL_SDL=1 -DLIB_NDOF=1 -DLL_GTK=1 -DLL_X11=1

2012-08-23 00:37:24
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Joined: 2009-03-17 18:42:51
Posts: 4776
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Imprudence is based on the old (and now long deprecated) v1.23 code base. Since Snowglobe and Snowstorm have been released, a lot of changes occurred, including on planar texture mapping (and including fixes to bugs in v1.23 mapping). Please, check to see if LL's viewer is affected. If it is and you think it is a bug, then please file a JIRA on LL's site.

The current versions of the Cool VL Viewer map planar textures in the exact same way as LL's v3.3 viewer...

2012-08-23 00:59:05
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