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1586 Commits

Author SHA1 Message Date
Robert Osfield
4291a8e193 Added CMakeLists.txt for osgcluster 2009-01-29 14:35:15 +00:00
Robert Osfield
9b64144a2f Added osgcluster example into build system 2009-01-29 13:17:48 +00:00
Robert Osfield
e5680b2b4f Removed now redundent shader files. 
Fixed the adding of  transfer function property.
 2009-01-29 09:24:45 +00:00
Robert Osfield
8c134750e6 Removed old shader files 2009-01-28 16:48:10 +00:00
Robert Osfield
2b45fd1510 From Paul Melis, "Here is an updated osgViewer::StatsHandler. It has the following changes: 
- The text and dark background rectangles are now correctly placed, and
slightly resized here and there.
- All counters (vertices, etc) now use a fixed formatting with 0 digits
precision, to prevent the text from being shown in scientific notation
when the number get large (e.g. 6.34344e+6). I tested with a scene
containing roughly 4 million vertices, to make sure its stats would
display correctly.

I also made slight changes to osgcompositeviewer (attached) to aid in
testing the stats display, specifically displaying of camera and view
names."
 2009-01-28 09:31:43 +00:00
Robert Osfield
baa25411fd From Paul Melis, remove redundent spaces 2009-01-28 09:26:44 +00:00
Robert Osfield
55e89e4466 From Cedric Pinson, "updated osgAnimation with the trunk here the update: 
examples/osganimationviewer/AnimtkViewer.cpp:
- add option to display bone (--drawbone)
- dont crash if the file does not contains a AnimationManagerBase, display the content only

examples/osganimationviewer/AnimtkViewerGUI.cpp:
- adjust the path of image for the gui

include/osgAnimation/Interpolator:
- add warn message instead of old assert

include/osgAnimation/Bone:
src/osgAnimation/Skeleton.cpp:
- change a method name to fit better with what it does. setMatrixInSkeletonSpace instead of setBoneInSkeletonSpace

include/osgAnimation/Skinning:
src/osgAnimation/RigGeometry.cpp:
- add patch from Fabien Lavignotte to compute normal correctly

include/osgAnimation/Sampler:
- adjust behviour without assert, return 0 instead of crashing
"
 2009-01-21 19:02:54 +00:00
Robert Osfield
d542961ca3 Fixed compile errors for when ref_ptr<> auto conversion is disabled 2009-01-21 19:01:26 +00:00
Robert Osfield
a6284b0e03 Renamed ShaderTechnique to RayTracedTechnique 2009-01-21 14:27:58 +00:00
Robert Osfield
0897368fa6 Cleaned up osgvolume 2009-01-21 12:06:13 +00:00
Robert Osfield
1c88753551 Introduced the ability to switch between different visual properties in osgVolume 2009-01-21 11:46:03 +00:00
Robert Osfield
a40aa3a734 Moved PropertyAdjustmentCallback from osgvolume.cpp into osgVolume. 
Updated lighting shaders.
 2009-01-20 17:41:45 +00:00
Robert Osfield
fe667cdd2b Added event key variables 2009-01-20 15:06:44 +00:00
Robert Osfield
d46e0fcc79 Added support for SampleDensityProperty and TransparencyProperty 2009-01-20 13:50:57 +00:00
Robert Osfield
87cd4530f5 Added AlphaFunc support into osgVolume::AlphaFuncProperty. 2009-01-20 12:39:26 +00:00
Robert Osfield
894b161878 Updated event callback to be able to update iso surface value. 2009-01-17 17:23:47 +00:00
Robert Osfield
b176c3a223 Removed old volume rendering scene graph code from osgvolume example. 
Moved createNormalMapTexture and applyTransferFunction functions from osgvolume example into include/osgVolume/Layer.
 2009-01-16 17:59:38 +00:00
Robert Osfield
29ac92df0e Moved basics of fixed function pipeline implementation from osgvolume example into osgVolume 2009-01-16 11:27:20 +00:00
Robert Osfield
78c2f98b7a Introduced ImageLayer computeMinMax + rescaling methods, and use of rescaleToZeroToOneRange by default. 2009-01-16 10:23:17 +00:00
Robert Osfield
ba94ea8c7d Introduce osgVolume::PropertVisitor, and IsoSurface, MaximumImageProjection, Ligting and AlphaFunc Properties 2009-01-15 15:57:04 +00:00
Robert Osfield
d87ec7cb18 Introduced osgVolume::Property, CompositePropery and TransferFunctionPropety classes 2009-01-14 15:16:29 +00:00
Robert Osfield
f260737cd8 Introduced class interfaces for FixedFunctionTechnique and ShaderTechnique volume rendering techniques. 2009-01-13 17:20:32 +00:00
Robert Osfield
c2e7eacc06 Changed to use ref_ptr<> for scene model to avoid crash 2009-01-12 13:12:04 +00:00
Robert Osfield
e37d22ad27 Fixed warning 2009-01-09 15:57:14 +00:00
Robert Osfield
458993fa88 Moved osgVolume::ImageUtils to osg::ImageUtils, updated wrappers, and started moving osgvolume example across to create osgVolume subgraphs 2009-01-09 15:19:25 +00:00
Robert Osfield
c380ac5a1f From Cedric Pinson, "Here the updated osganimationskinning.cpp that works as before" 2009-01-08 14:52:11 +00:00
Robert Osfield
803d0dc60c Added missing *. 2009-01-08 12:47:20 +00:00
Robert Osfield
418dc34776 Fixed warnings 2009-01-07 11:24:47 +00:00
Robert Osfield
8745ec7d69 Removed the usage of assert to prevent associated compile warnings and to clean up code 2009-01-06 19:09:50 +00:00
Robert Osfield
5bf69c9cbb Updated path to reflect where the new button images are located. 2009-01-06 19:08:34 +00:00
Robert Osfield
1d599c0572 From Don Leich, "Here are a couple of fixes for the file examples/osgviewerQT/QOSGWidget.cpp to 
address some OS X issues.  Most of these fixes were previously submitted by Julian Scheid.  However, this patch however should not break the example for non-OS X builds and has been tested on 64-bit Linux as well as Mac OS X 10.5.

o  The value returned by QWidget::winId() is not usable as input for
WindowData under OS X the way it is for both Windows and Unix.  Julian's fix
for this uses the Carbon API.  Since the fix for X11 in unknown, it is now
assumed that OSG has been built with OSG_WINDOWING_SYSTEM='Carbon' for this
example to work at all when running under OS X.

o  The CompositeViewer version would hang on exit with the original timer start
argument.  Changing the argument value to match the non-composite version
seemed to cure the hanging.

o  Julian's patch altered the setGeometry position to 30/30 in order to see any
window decorations.  I did not have this problem, but left his changes intact.

o  The non-composite viewer needed it's camera initialization defered until
after the ViewerQOSG's Qt base class had been initialized.  Otherwise, the view
did not cover the entire window.
"
 2009-01-06 16:45:35 +00:00
Robert Osfield
af7bb82175 From Paul Martz, example demonstating new draw instanced primitive funcitonality. 2009-01-06 15:11:54 +00:00
Robert Osfield
3ddafa1078 From Don Leich, build fix for OSX. 2009-01-05 17:52:41 +00:00
Robert Osfield
910927145e From Paul Martz, added --points option for forcing points rendering of polygonal models 2009-01-05 17:06:09 +00:00
Robert Osfield
02beb8c74a Added support for user defined clipping of the precipitation effect, to test use: 
osgpreciptation lz.osg --clip 20
 2008-12-19 16:13:19 +00:00
Robert Osfield
74d090845f Added StandardShadowMap to list to test cases 2008-12-19 12:28:53 +00:00
Robert Osfield
9b1445d5b9 Fixed warnings 2008-12-18 13:56:30 +00:00
Robert Osfield
f8151127e3 From J.P Delport, "I changed the default HDR mode to the ARB format and put in comments for some other possible modes. 
Some other comment cleanups too."
 2008-12-17 17:23:17 +00:00
Robert Osfield
ffe77a785a Build fixes for when the implict ref_ptr<> cast is not enabled 2008-12-16 20:49:12 +00:00
Robert Osfield
60fc821764 From Cedric Pinson and Jeremey Moles, Changes to OpenSceneGraph-osgWidget-dev branch. 
Notes from Robert Osfield, Merged changes to OpenSceneGraph-osgWidget-dev r9367 (prior to my botched attempt at merged svn/trunk into the branch).
 2008-12-16 20:29:00 +00:00
Robert Osfield
315aeeb557 Where possible moved redundent C header includes from headers to source files 2008-12-12 18:47:30 +00:00
Robert Osfield
4896fe6e05 From Mattias Helsing, "When building osg static on Windows the _declspec's wasn't escaped for 
applications, examples or wrappers. Attached are the CMakeLists I had
to change to make these compile.
"
 2008-12-11 17:00:40 +00:00
Robert Osfield
c3611c5875 Added mechanism for registering proxy objects in the .osg plugin in a way that is compatible with static linking. 2008-12-10 16:26:02 +00:00
Robert Osfield
bceaef6f06 Fixed link line 2008-12-10 12:50:40 +00:00
Robert Osfield
c8190d9c54 Cleaned up osgWidget::VncClient and osgWidget::Browser so that their implementations are all more consitent with the osgWidget::PdfReader. 2008-12-09 11:05:04 +00:00
Robert Osfield
d8c17e4c4c Added support for setting background colour of Pdf document. 2008-12-09 09:26:51 +00:00
Robert Osfield
6f356aeb97 Intoduce new osgWidget::PdfReader and osgWidget::VncClient front ends to osgWidget, 
with new pdf plugin and updated vnc plugin that now support these front ends.

Updated osgpdf and osgvnc examples to new these new interfaces.
 2008-12-07 17:02:30 +00:00
Robert Osfield
3c611dcf30 Build fix for when implicit conversion in ref_ptr<> is switched off. 2008-11-29 11:35:03 +00:00
Robert Osfield
cd4b4b8bfe Added new examples 2008-11-28 14:37:58 +00:00
Robert Osfield
070b9c2cd9 From Cedric Pinson, updates to osganimation examples. 
Merged by Robert Osfield, from OpenSceneGraph-osgWidget-dev
 2008-11-28 14:37:16 +00:00
Robert Osfield
9b1841d009 From Jeremy Moles, updates to osgwidget examples. 
Merged by Robert Osfield from OpenSceneGraph-osgWidget-dev
 2008-11-28 14:36:39 +00:00
Robert Osfield
12bfb6d79a From Jean-Sebastien Guay, "osgautocapture uses M_PI to convert degrees to radians, which didn't compile on Win32. Switched to using osg::DegreesToRadians. Also removed the "convert to radians" comment on each line, as the code clearly conveys this without needing a comment now." 2008-11-27 09:45:41 +00:00
Robert Osfield
270fd48536 From John Vidar Larring, osgautocapture example that captures an image from a paged database by frame loop to the paging is complete, then takes a snapshot. 2008-11-26 11:23:06 +00:00
Robert Osfield
a7a7115581 Fix for build with OSG_USE_REF_PTR_IMPLICIT_OUTPUT_CONVERSION off 2008-11-25 15:57:27 +00:00
Robert Osfield
d08d778608 From Jaromir Vitek, "In attachment are another fixes for using packed depth+stencil (PDS). 
* When used PDS RenderStage::runCameraSetUp sets flag that FBO has already stencil,depth buffer attached. Prevents adding next depth buffer.
* Sets correct traits for p-buffer if used PDS and something goes wrong with FBO setup or p-buffer is used directly.
* Adds warning to camera if user add depth/stencil already attached through PDS.
* Sets blitMask when use blit to resolve buffer.

There is also new example with using multisampled FBO."
 2008-11-25 10:57:14 +00:00
Robert Osfield
2517c1e77e Improved the set of the master + slave cameras 2008-11-24 16:02:20 +00:00
Robert Osfield
6ae07ce0e2 From Roland Smeenk, "This application can be used for testing plugins that can both read and write a certain file format. It will display the original file next to the written and reread file. 
Example:
osgsidebyside -o cow.dae cow.osg
 
This example will read cow.osg, write cow.dae, read cow.dae and display cow.osg on the left side and cow.dae on the right side of the view.
 
Possible interactions:
KEY_UP   Speedup DOF animation
KEY_DOWN SlowDown DOF animation
KEY_RIGHT Toggle all MultiSwitches"
 2008-11-24 14:37:15 +00:00
Robert Osfield
d7ba995370 Updated wrappers 2008-11-24 10:13:27 +00:00
Robert Osfield
5b15436935 Added mechanism for tracking when interactive images are being rendered to 
enable their backends to only rendered them when they are actively being rendered
in the OpenGL window.
 2008-11-23 15:51:43 +00:00
Robert Osfield
9f55408ca3 Removed the optional build for osgWidget and plugins as these are options that are appropriate for building all the time 2008-11-22 14:30:21 +00:00
Robert Osfield
56a2cc65d0 From Cedric Pinson, Pulled in osgAnimation from OpenSceneGraph-osgWidget-dev into svn/trunk. 2008-11-22 12:14:19 +00:00
Robert Osfield
d903423ded From Jaromir Vitek, osgpackeddepthstencil example as a test case. 2008-11-21 12:38:22 +00:00
Robert Osfield
beae8ab67f Clean up osgbrowser after moving browser implementation into gecko plugin 2008-11-20 11:28:20 +00:00
Robert Osfield
5288263528 Moved Browser.h and Browser.cpp from osgbrowser into osgWidget. 2008-11-19 17:16:29 +00:00
Robert Osfield
35330867c5 Fixed component directory path handling. 2008-11-19 17:02:45 +00:00
Robert Osfield
094733def5 Refactored browser classes so that there is now a base class and reader writer. 2008-11-19 16:58:32 +00:00
Robert Osfield
297dd32011 Changed osgbrowser example to use a local CMakeModules/FindXUL.cmake script, 
and specialization of GTK dependencies to only non Windows/OSX platforms.
 2008-11-18 23:38:18 +00:00
Robert Osfield
a36ff70df4 Removed debug output 2008-11-18 17:20:45 +00:00
Robert Osfield
96188d0240 Moved update functionality into from UBrowserImage into update. 2008-11-18 14:46:02 +00:00
Robert Osfield
3b3d932d30 Added support for running all ubrowser operataions in a background thread. 2008-11-18 13:36:47 +00:00
Robert Osfield
8abd7c3a76 Fixed key mapping 2008-11-17 19:15:12 +00:00
Robert Osfield
37bd44042a Refactored the UBrowser functionality so a UBrowserThread singlton class takes 
over more responsibility of integratation with llmozlib.
 2008-11-17 17:58:59 +00:00
Robert Osfield
ca5c93a983 Removed dependency on GLUT. 2008-11-17 15:53:04 +00:00
Robert Osfield
5eaf95ed0f Ported example to using OSG objects for rendering rather than GLUT 2008-11-17 15:49:24 +00:00
Robert Osfield
39646d2dff Introduced xulrunner extensions from llmozlib2, and got things working under linux 2008-11-17 10:36:55 +00:00
Robert Osfield
2a1f7f0f7a Added GTK and GLUT guards to osgbrowser include 2008-11-14 16:54:07 +00:00
Robert Osfield
b62cb79c7e Further work on experiment llmozlib/geko based embedded web browser 2008-11-14 16:48:07 +00:00
Robert Osfield
d75cc7f84d An "attempt" at using LLMozLib sources as a base for a gecko based embedded browser. 2008-11-13 15:35:08 +00:00
Robert Osfield
ab9c0898c3 Moved Poppler-glib check into root CMakeList.txt 2008-11-12 22:54:12 +00:00
Robert Osfield
69effce44e Improved filepath handling, and increased the image resolution for better rendering quality 2008-11-12 14:57:30 +00:00
Robert Osfield
771dc7d645 Introduced new osgpdf example that use Cario + Poppler libraries to provide a means of rendering a pdf document to an osg::Image. 2008-11-12 14:21:05 +00:00
Robert Osfield
89829f8153 Added osgViewerGetVersion() into context creation code as a means of forcing windows to link in osgViewer properly. 2008-11-12 10:30:17 +00:00
Robert Osfield
c1568bb735 Improved naming 2008-11-11 17:59:35 +00:00
Robert Osfield
f1bb6592bb Tweaked comment 2008-11-11 17:30:11 +00:00
Robert Osfield
014246bef6 Added default fallback of a window context is none is otherwise specified. 2008-11-11 17:29:48 +00:00
Robert Osfield
7468904dd6 Added command line argument docs and support for -h/--help command line options 2008-11-11 16:59:58 +00:00
Robert Osfield
ee172b840c Added timing stats 2008-11-11 16:21:04 +00:00
Robert Osfield
3754dc4230 Added --geometry, --geometry-vbo and --geometry-va command line options and associated geometry test codes 2008-11-11 16:13:37 +00:00
Robert Osfield
4dd8ad2f16 Added --delay <microseconds> option that is run between each OpenGL object apply, defaults to 0 2008-11-11 15:00:29 +00:00
Robert Osfield
0de253ad2c Added support for fbo testing. 2008-11-11 12:50:51 +00:00
Robert Osfield
915a645761 First cut of osgmemorytest example that is written to allocate many windows/pbuffer/GL objects as test of how many objects can be allocated on a machine. 2008-11-10 20:06:27 +00:00
Robert Osfield
5bb6fe2ee7 Added support for Camera::PACKED_DEPTH_STENCIL_BUFFER to .osg and .ive formats 2008-11-09 11:56:02 +00:00
Robert Osfield
d75cd032b9 From Jean-Sebastien Guay, replaced M_PI with osg::PI. 2008-11-08 17:53:51 +00:00
Robert Osfield
720551d549 From Michael Platings, Converted std::fstream/ifstream/ofstream to osgDB::fstream/ifstream/ofstream and 
fopen to osgDB::fopen to facilitate support for wide character filenames using UT8 encoding.
 2008-11-07 15:08:08 +00:00
Robert Osfield
c7c1913561 From Ulrich Hertleinm "cmake 2.6 is having trouble on Mac OS X because example/CMakeLists.txt addes subdirectory osgviewerGLUT twice. I took the liberty to remove the second occurrence. 
"
 2008-11-06 13:40:35 +00:00
Robert Osfield
c80c7dd5b9 From Chris Denham, added transform to cube to test picking fixes 2008-11-06 13:36:25 +00:00
Robert Osfield
239c18eddb Removed redundent static ImageStream pointer 2008-11-05 16:06:25 +00:00
Robert Osfield
a063d1dfb0 Added --no-rescale, --rescale (default) and --shift-min-to-zero command line options for controlling how the pixel data is managed. 2008-11-05 15:59:48 +00:00
Robert Osfield
de4e08e868 Added --replace-rgb-with-luminance option 2008-11-05 15:04:38 +00:00
Robert Osfield
bc2e8034fe Fixed --images commandline parsing 2008-11-04 12:57:30 +00:00
Robert Osfield
9bba7bbee0 Refactored osgvnc example to utilise the new vnc plugin 2008-11-03 15:58:02 +00:00
Robert Osfield
521a951b58 Wrapped up the various client streaming methods + thread into VncImage classes. 2008-10-31 16:48:19 +00:00
Robert Osfield
f1cc01c6b8 Implemented keyboard and mouse dispatch from vnc client to vnc server. 2008-10-31 13:59:32 +00:00
Robert Osfield
bad9854d71 Added very basic osgvnc example that uses the LibVNCServer client libries for implementing a vnc client 
as an osg::Image with the vnc data stream going to it.
 2008-10-31 12:03:44 +00:00
Robert Osfield
4b28e22d34 From Lukas Diduch, added a multithread compsite viewer path, accessible using: 
osgviewerQT --MTCompositeViewer --QOSGWidget cow.osg
 2008-10-29 10:25:24 +00:00
Robert Osfield
649bc16753 From James Moliere, fixed display of axis 2008-10-29 10:12:02 +00:00
Robert Osfield
0b451491b0 From Chris Denham, changed nested Camera intersection test so that it requires the command line --relative-camera-scene to enable it 2008-10-27 19:59:05 +00:00
Robert Osfield
ff74744556 From Chris Denham, default scene that tests the use of in scene graph Camera which has a RELATIVE_RF ReferenceFrame. 2008-10-27 16:16:28 +00:00
Robert Osfield
b1c858d8f8 Fixed positioning of wings 2008-10-27 10:40:13 +00:00
Robert Osfield
10186190f6 Introduced support for controlling mipmapping of osgTerrain::ImageLayer and compression of osgTerrain::HeightFieldLayer. 2008-10-20 08:43:25 +00:00
Robert Osfield
36a93d9cf3 Converted M_PI* usage across to osg::PI 2008-10-14 16:44:14 +00:00
Robert Osfield
8c6f65caca From James Moliere, 
"   The code below is to show how a heirarchy of objects can be made within a scenegraph.
    In other words, how there can be a parent/child relationship between objects such
    that when a parent is rotated or translated, the children move is respect to it's
    parent movement.  A robotic arm is used in this example because this is what I'm
    using OSG for."
 2008-10-14 15:24:39 +00:00
Robert Osfield
e4057b65ee Removed geomoflife_frag.cpp experiement from CMakeList.txt file 2008-10-14 15:10:10 +00:00
Robert Osfield
3aebed206e From J.P Delport, game of life example that demonstrates ping pong render to texture rendering 2008-10-14 14:58:10 +00:00
Robert Osfield
907a51b198 Replaced usage of depreacted IntersectVisitor with IntersectionVisitor 2008-10-07 14:01:14 +00:00
Robert Osfield
1f4e712fd8 Improved the ImageSequence::setLength() settting. 2008-10-06 17:03:32 +00:00
Robert Osfield
3b4184295e Various improvements to the dicom loader to be able to handle a broader range of dicom files 2008-10-02 15:45:08 +00:00
Robert Osfield
66c857b645 Updated shaders 2008-09-29 18:30:17 +00:00
Robert Osfield
d4c6af753f Added support for using ImageSequence to animate volumes 2008-09-29 10:56:42 +00:00
Robert Osfield
38171cc1b9 Improved the isosurface shaders, and mde GLSL usage the default 2008-09-28 15:16:13 +00:00
Robert Osfield
d8cfc9b1f5 Improved GLSL isosurface support when using a transfer function 2008-09-26 15:47:31 +00:00
Robert Osfield
21865d3ec1 Added setting of various filters and setResizeNonPowerOfTwoHint(false) on normals maps etc. 2008-09-26 14:50:41 +00:00
Robert Osfield
5a9e957412 Added docs for read-threads <numthreads> command line options 2008-09-26 13:51:49 +00:00
Robert Osfield
026314bf83 Added --isosurface and --mip paths into osgvolume example, and added associted shaders 2008-09-26 11:29:00 +00:00
Robert Osfield
90ccb05fb1 From Mathias Froehlich, "for the rand functions stdlib.h is required ..." 2008-09-26 11:19:59 +00:00
Robert Osfield
a3d25add27 Added osg2cpp example into build 2008-09-25 14:41:27 +00:00
Robert Osfield
8c276a0b5e Created new osg2cpp utility that creates .cpp files from source shaders that can be included directly in application code, see osgvolume for an example. 2008-09-25 14:39:57 +00:00
Robert Osfield
134a2e69a0 Moved shaders into .cpp, with the shaders created by the new osg2cpp utility 2008-09-25 14:39:08 +00:00
Robert Osfield
4cb79dcddf From Jean-Sebastian Guay, fixed windows build 2008-09-24 16:03:47 +00:00
Robert Osfield
62331769ac Added shader based transfer function, enabled via --gpu-tf 2008-09-24 10:45:15 +00:00
Robert Osfield
169d9f550e Fixed transfer function parsing 2008-09-24 10:20:23 +00:00
Robert Osfield
edc966c4c2 Added "serialize" and plugin "preload" options in the "read-threads" code path. 2008-09-23 15:41:49 +00:00
Robert Osfield
1b02cf99dc Added read-threads <numThreads> command line and read thread test back end 2008-09-23 13:58:49 +00:00
Robert Osfield
b1c93f05f6 From Wojciech Lweandowski, added support for noew LispSM shadow technique (use --lispsm on CmdLine) and added IslandScene database (use -4 on CmdLine). 2008-09-23 09:59:23 +00:00
Robert Osfield
55d4756d31 Added support for reading raw data and transfer function from a volume header 2008-09-22 17:24:26 +00:00
Robert Osfield
65cb2e625f Added --page-and-discard, --page-and-retain, --preload and --length command line options 2008-09-22 16:18:02 +00:00
Robert Osfield
260334e4fe Added stats handler 2008-09-22 15:56:22 +00:00
Robert Osfield
21686c27af From Mathias Froehlich, "I did some performance test runs with the development gcc-4.4 version. 
To make it compiel with future gcc's we sppear to need the attached missing
includes ..."
 2008-09-18 10:52:35 +00:00
Robert Osfield
274aa49f8a From Christophe Loustaunau," 
I have found some errors on the example osgGeometryShaders. It's about the varying in the geometry shader.
take a look at the varying vec4 v_color.
In the vertex shader, v_color is initialized to gl_vertex
then in the geometry shader v_color is initialized to gl_PositionIn[0]
and in the fragment shader v_color is used as the fragment color.

Try to initialized v_color to vec4(1.0, 0.0, 0.0, 1.0) in the vertex shader and comment the line :
"    v_color = v;\n"  in the geometry shader, and you will see the lines as black !

It's because you have to use keywords in and out.

extract from : http://www.opengl.org/registry/specs/EXT/geometry_shader4.txt :

in - for function parameters passed into a function or for input varying
variables (geometry only)

out - for function parameters passed back out of a function, but not
initialized for use when passed in. Also for output varying variables
(geometry only).

Then for a geometry shader, a varying must be an array :
extract from : http://www.opengl.org/registry/specs/EXT/geometry_shader4.txt :

Since a geometry shader operates on primitives, each input varying variable needs to be
declared as an array. Each element of such an array corresponds to a
vertex of the primitive being processed. If the varying variable is
declared as a scalar or matrix in the vertex shader, it will be a
one-dimensional array in the geometry shader. Each array can optionally
have a size declared. If a size is not specified, it inferred by the
linker and depends on the value of the input primitive type.


Here is a patch based on the svn version of osg that correct that.
"
 2008-09-17 17:25:39 +00:00
Robert Osfield
22eae68e48 From Mathias Froehlich, "This is a generic optimization that does not depend on any cpu or instruction 
set.

The optimization is based on the observation that matrix matrix multiplication
with a dense matrix 4x4 is 4^3 Operations whereas multiplication with a
transform, or scale matrix is only 4^2 operations. Which is a gain of a
*FACTOR*4* for these special cases.
The change implements these special cases, provides a unit test for these
implementation and converts uses of the expensiver dense matrix matrix
routine with the specialized versions.

Depending on the transform nodes in the scenegraph this change gives a
noticable improovement.
For example the osgforest code using the MatrixTransform is about 20% slower
than the same codepath using the PositionAttitudeTransform instead of the
MatrixTransform with this patch applied.

If I remember right, the sse type optimizations did *not* provide a factor 4
improovement. Also these changes are totally independent of any cpu or
instruction set architecture. So I would prefer to have this current kind of
change instead of some hand coded and cpu dependent assembly stuff. If we
need that hand tuned stuff, these can go on top of this changes which must
provide than hand optimized additional variants for the specialized versions
to give a even better result in the end.

An other change included here is a change to rotation matrix from quaterion
code. There is a sqrt call which couold be optimized away. Since we divide in
effect by sqrt(length)*sqrt(length) which is just length ...
"
 2008-09-17 16:14:28 +00:00
Robert Osfield
0598ac3b69 Updated osgwidget examples to use the new osg::clone() methods 2008-09-17 14:23:25 +00:00
Robert Osfield
6ea2adf1f5 Introduced beginings of osgVolume NodeKit. 2008-09-16 15:32:23 +00:00
Robert Osfield
b5474780c3 Change the GLSL textureRec and texture2D parameters to use .st to make sure they only use 2D coords. 
Add setResizeNonPowerOfTwoHint to false for Texture2D.
 2008-09-16 09:31:29 +00:00
Robert Osfield
d07f3d5662 Added optional usage of DCMTK in the dicom plugin 2008-09-15 19:59:12 +00:00
Robert Osfield
b55ed0c56b Added reading of whole directories of images 2008-09-13 13:38:06 +00:00
Robert Osfield
b000198cc4 Removed use of ints and reading from gl_FragColor in shader 2008-09-12 15:41:30 +00:00
Robert Osfield
ff299eb104 Introduced osgTerrain::WhiteListTileLoadedCallback for the management of options terrain layers 2008-09-11 13:21:58 +00:00
Robert Osfield
a214a677f8 First cut of WhiteListTileLoadedCallback 2008-09-11 10:40:48 +00:00
Robert Osfield
4f6b405edf Added support for reading source image file names from the command line. 2008-09-11 09:05:16 +00:00
Robert Osfield
b4b5b5ea41 Introduced TerrainTile::TileLoadedCallback 2008-09-10 18:11:54 +00:00
Robert Osfield
b0cf7823a7 Added playing of the imagesequence on creation of the imagesequence 2008-09-10 11:27:00 +00:00
Robert Osfield
5484981693 Removed std:: from in front of strcmp and added a string.h 2008-09-01 10:19:06 +00:00
Robert Osfield
9499cfa420 Improved the GLSL implementation. 2008-08-26 17:40:04 +00:00
Robert Osfield
6c047f7abe Added testing of max texture size using a realize operation 2008-08-25 11:37:53 +00:00
Robert Osfield
94c6c9d32a Added support for event handler for non shader path, enable alpha func 2008-08-25 10:38:39 +00:00
Robert Osfield
8d8852bc23 Added command line arguments to Viewer constructor, and added meaningful error message when no 3d image is provided 2008-08-25 09:53:24 +00:00
Robert Osfield
f5105510f3 Added support for reading the image transform from UserData in the form of a Matrix. 2008-08-22 16:35:49 +00:00
Robert Osfield
3cec676d98 Added --mip command line option which enables Maximum Intensity Projection filtering 2008-08-18 15:08:04 +00:00
Robert Osfield
38f6cddc2c Changed osg::ImageSequence::set/getDuration to set/getLength() to be in keeping with the 
osg::ImageStream's getLength().
 2008-08-15 16:21:44 +00:00
Robert Osfield
b6292f4537 Fixed the name of _playToggle 2008-08-15 13:07:04 +00:00
Robert Osfield
927942a0f8 Further work on osg::ImageSequence, improving pause functionality, and introducing new seek(double time) method 2008-08-15 12:45:20 +00:00
Robert Osfield
56001f3d82 Added event handler to toggling looping and play/pause 2008-08-14 16:28:45 +00:00
Robert Osfield
5cac386fa6 Renamed enums in osgWidget from ALLCAPITALS to normal OSG conventional of AllCapital 2008-07-25 20:50:42 +00:00
Robert Osfield
c9dc578186 Added support for pruning old images, recording the Duration in the .osg file, and -o filename output support in osgimagesequence. 2008-07-22 16:44:49 +00:00
Robert Osfield
66c2add024 Improved position when multiple videos are provided 2008-07-22 15:58:40 +00:00
Robert Osfield
669d6be0b2 Fixed handling of TextureCubeMap's with mipmapped/ImageSequence/PBO's. 2008-07-22 14:47:59 +00:00
Robert Osfield
041a06b89d Further work on osg::ImageSequence/osgDB::ImagePager 2008-07-21 21:00:57 +00:00
Robert Osfield
acd7e65687 Added basic image sequencing 2008-07-21 17:28:22 +00:00
Robert Osfield
dc19bcc7e0 Added --login <url> <username> <password> http authentication. 2008-07-21 15:05:08 +00:00
Robert Osfield
ac61676368 Initial cut of osgimagesequence example 2008-07-21 10:57:06 +00:00
Robert Osfield
b068777c22 Refactored the MultiTextureControl node callback so that the update is now 
done as an update callback, with the elevation aquired via a cull callback
 2008-07-16 15:58:15 +00:00
Robert Osfield
a20e5791d9 From Jeremy Moles, Updated file references to reflect new data in OpenSceneGraph-Data 2008-07-15 22:30:51 +00:00
Robert Osfield
8fe0820bb8 Converted tabs to four spaces 2008-07-15 22:03:59 +00:00
Robert Osfield
b343cbfc5f Removed now redundent example 2008-07-15 19:23:48 +00:00
Robert Osfield
f1138fa684 From Jean-Sebastian Guay, "Here are the CMakeLists.txt files for the osgWidget examples, changed to use SETUP_EXAMPLE like the other examples." 2008-07-15 18:53:16 +00:00
Robert Osfield
43cedf9eb4 Fixed typo 2008-07-15 18:12:17 +00:00
Robert Osfield
c2b77aa08e From Jeremy Moles, import of the osgWidget NodeKit, sourced from the original http://osgwidget.googlecode.com/svn/trunk 
Notes from Robert Osfield, I've merged osgWidget trunk, and added/changed CMakeLists.txt file to make it suitable for inclusion in the core OSG, and moved imagery/scripts/shaders out into OpenSceneGraph-Data
 2008-07-15 17:21:25 +00:00
Robert Osfield
ccb50019e4 Cleaned up osgkdtree example 2008-07-12 11:19:25 +00:00
Robert Osfield
2b5708888e From Adrain Egli, "i added a default scene with 7 different draggers attached. it's more easy to test the draggers." 2008-07-11 19:52:25 +00:00
Robert Osfield
15e5bdbcae Added range of camera manipulators and a center of screen test intersection that 
is insticated by pressing 'c' key
 2008-07-09 19:28:00 +00:00
Robert Osfield
3965fe357b Moved KdTree build code into osg::KdTree 2008-07-06 12:14:19 +00:00
Robert Osfield
44d144997e Added prelimnary KdTree data structure and automatic kdtree build support 
into osgDB::Registry/osgTerrain so that newly created subgraphs can have 
KdTree built on all osg::Geometry automatically on load/creation.
 2008-07-04 15:57:48 +00:00
Robert Osfield
e2ae39c8f6 Introduced bounding boxes to KDLeaf and KDNode structs 2008-07-03 17:18:14 +00:00
Robert Osfield
178d6ff423 Added new data structure + build algorithm that places triangles into leaves 
without being shared, but with varying the boundaries of leaves so that they
may overlap.
 2008-07-03 15:49:28 +00:00
Robert Osfield
7db303b16b Added header guards 2008-07-03 11:23:44 +00:00
Robert Osfield
f0defbd824 Refactored example so that the example will be able to run different kdtree data strucutres/algorithms. 2008-07-03 11:22:23 +00:00
Robert Osfield
1729ec0819 Implement an experiemental triangle kdtree building support 2008-07-03 10:24:20 +00:00
Robert Osfield
82ed445a31 Added Vec3Array arrange pointer to avoid dynamic cast 2008-07-01 13:56:02 +00:00
Robert Osfield
12044a43d9 From Eric Sokolowski, Cmake support for osgviewerCocoa 2008-06-26 13:08:24 +00:00
Robert Osfield
275811d02a From Eric Sokolowsky, "I have made a number of changes intended to get a few things working better on OSX. However, since I'm still pretty new at Mac development and cmake I'm not entirely certain that the changes I have made are benign on other platforms. I have tested these changes on Leopard with CMake 2.6 generating Xcode 3.0 projects, compiling on ppc and i386 for 10.5 and 10.4, and on Linux (CentOS) and everything still seems to work ok. Here are the changes I made (against OSG svn as of this afternoon): 
- Added osgviewerCocoa example to APPLE builds
- Fixed corrupt Xcode project generation with CMake 2.6 dealing with ADD_DEFINITIONS and CMake Policy CMP0005 on Leopard
- Resolved CMP0006 warning for examples and programs by setting BUNDLE DESTINATION to same as RUNTIME DESTINATION with CMake 2.6
- Fixed freetype plugin on Leopard to avoid OpenGL linking problem
- Figured out how to use a custom Info.plist included in the project (see osgviewerCocoa application CMakeLists.txt)"
 2008-06-23 09:57:45 +00:00
Robert Osfield
113a77b219 Converted tabs to four spaces 2008-06-21 11:34:01 +00:00
Robert Osfield
37d81679b7 From Paul Melis, "Here is a reworked version of the osgviewerWX example. It changes the GraphicsWindowWX to only inherit from osgViewer::GraphicsWindow and adds a standalone widget, called OSGCanvas, that derives from wxGLCanvas. This solves a problem with the GraphicsWindowWX instance being destructed twice (see "Crash in osgviewerWX" of June 12th on osg-users). At program exit, the main frame deletes all of its children widgets and therefore calls GraphicsWindowWX's destructor, bypassing OSG's reference counting. The GraphicsWindowWX instance is then later destructed a second time when the reference held by osg::Camera goes to zero. This bug isn't exposed by the example directly, but if people are going to use the example as a basis (like the poster in the mentioned thread) they very likely will run into this problem. 
"
 2008-06-19 13:49:36 +00:00
Robert Osfield
7ae28bea0d Added --fbo-samples value and --color-samples value command line paramters for enabling fbo multisampling 2008-06-18 14:21:22 +00:00
Robert Osfield
20e6ec7b23 From Jean-Sebastien Guay, "The new osgscreencapture example was being installed to bin instead of to share/OpenSceneGraph/bin, this is because the CMakeLists.txt used SETUP_APPLICATION instead of SETUP_EXAMPLE. Corrected CMakeLists.txt attached. 
"
 2008-06-06 16:45:07 +00:00
Robert Osfield
b6a0f3d8d0 Cleaned up implementation to only use simple structure 2008-06-06 14:10:20 +00:00
Robert Osfield
ed45e32355 Introduce a lower overhead data structure for leaves. 2008-06-06 13:21:27 +00:00
Robert Osfield
aa73e1d1d4 Added update traversal to run prior to doing kdtree build to make sure that 
costs in build osgTerrain databases isn't incurred during the build traversal.
 2008-06-06 10:51:23 +00:00
Robert Osfield
ac068178aa Added timing code 2008-06-05 18:52:29 +00:00
Robert Osfield
a9b1ea660d Basic implementation of kdtree generation based on vertices 2008-06-05 17:28:06 +00:00
Robert Osfield
9212d4dd95 Further work on fleshing out basic classes 2008-06-04 17:59:39 +00:00