date:20090206

Re: [osg-users] Please test OSG-2.8 in prep for 2.8.0-rc2

2009-02-06 Thread J.P. Delport

Hi,

I checked out 2.8:
svn checkout
https://www.openscenegraph.org/svn/osg/OpenSceneGraph/branches/OpenSceneGraph-2.8
OpenSceneGraph

rev 9676.

Ran ccmake and selected I want CDASH output, I did not select release build.

did a make Experimental, the results are on the dashboard here:
http://www.cdash.org/CDashPublic/buildSummary.php?buildid=8995

I got a lot of:
cc1plus: warning: -Wuninitialized is not supported without -O

g++ -v
gcc version 4.3.3 (Debian 4.3.3-3)

on Debian Sid 32-bit.

Robert Osfield wrote:

Hi All,

I've made several check-in's to OpenSceneGraph-2.8 since rc1, so these
all now need testing. Could you please try out the 2.8 in svn and let
me know how you get on. I want to know about success + failures.

I've also checked in some experimental VS versioning of libs into the
svn/trunk version of the OSG, so it's already diverted a bit from
OSG-2.8, so a failure on svn/trunk won't necessarily map to problems
with OSG-2.8.

Thanks,
Robert.
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Re: [osg-users] collada

2009-02-06 Thread Valery A. Bickov

Hello.

Are you building for Windows?

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Re: [osg-users] OSG trunk (2.8) + VPB trunk: Terrain elevation artifacts

2009-02-06 Thread John Vidar Larring


Thanks Christophe,

Thanks for testing and sending the screenshot! You saved my day:) I'll 
update to gdal 1.6 straight away and test again...


Best regards,
John

christophe loustaunau wrote:

Hi John,

I have build the database with your command line  and
vpb svn rev: 953
osg svn rev: 9658
But I have gdal 1.6 and not 1.5.1

The database looks normal, as you can see on screenshots attached.

Maybe a gdal 1.5.1 bug ? I don't know, but it's not osg or vpb.

Regards.


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[osg-users] Load uniform sampler2D in shader from .osg file

2009-02-06 Thread Joseba

Hi all,
I'm trying to load a texture into a shader using a osg::Uniform. This shouldnt 
be a problem, but when i load a model (cow.osg for example) and i try to use 
a shader on it, the texture doesnt get loaded on the shader.
Here is the code for setting up the Uniform on the drawable's state set:


Code:

void GlowEffect::setShaderOnGeode(osg::Geode* geode)
{ 
for(int i=0; i  geode-getNumDrawables(); ++i)
{
osg::Geometry* geom = static_castosg::Geometry* 
(geode-getDrawable(i));
if(geom)
{
osg::ref_ptrosg::StateSet ss = 
geom-getOrCreateStateSet();
osg::StateSet::TextureAttributeList textList = 
ss-getTextureAttributeList();
if(textList.size() != 0)
{
osg::ref_ptrosg::Texture2D tex = 
dynamic_castosg::Texture2D*( ss-getTextureAttribute( 0, 
osg::StateAttribute::TEXTURE ) );
if (tex)
{
//ss-addUniform(new 
osg::Uniform(baseMap, 0));
ss-setTextureAttribute(0,tex);
osg::ref_ptrosg::Uniform 
textureUniform = new osg::Uniform();
textureUniform-setName(baseMap);

textureUniform-setType(osg::Uniform::SAMPLER_2D);
textureUniform-set(0);
ss-addUniform(textureUniform.get());
}


}
ss-setAttributeAndModes(colorMultProgram, 
osg::StateAttribute::ON);
}

}
}




Here is the osg::Program:

Code:

osg::ref_ptrosg::Program colorMultProgram = new osg::Program;
colorMultProgram-setName(MultColor);
osg::ref_ptrosg::Shader verShader = new osg::Shader( 
osg::Shader::VERTEX );
osg::ref_ptrosg::Shader fragShader = new osg::Shader( 
osg::Shader::FRAGMENT );

verShader-loadShaderSourceFromFile(./Data/Shaders/vp_glow_alpha.glsl);

fragShader-loadShaderSourceFromFile(./Data/Shaders/fp_glow_alpha.glsl);
colorMultProgram-addShader(verShader);
colorMultProgram-addShader(fragShader);




And the shaders (very simple):

Code:

// Vertex Shader

varying vec2 Texcoord;

void main( void )
{
gl_FrontColor = gl_Color;
gl_Position = ftransform();
Texcoord= gl_MultiTexCoord0.xy; 
}

// Fragment shader


uniform sampler2D baseMap;

varying vec2 Texcoord;

void main( void )
{
gl_FragColor = vec4(texture2D( baseMap,gl_TexCoord[0].st).xyz, 0.0);
}




I just get the model in black (but with its alpha value to '0' so the shader 
works. Any suggestion??

Thanks,

J.

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Re: [osg-users] segfault: particle/threads

2009-02-06 Thread Paul Melis


Melchior FRANZ wrote:

* Melchior FRANZ -- Tuesday 03 February 2009:
  

Just for the record: I've had several segfaults in OSG's
particle code (threading related) since I updated a few
days ago. I'll post a backtrace when I run into it again.



Linux 2.6.28.3, P4/32bit, gcc 4.3.1, osg r9631, FlightGear.
(The warnings in #20 and #21 are strange. Haven't seen that
before.)
  
Can you create a self-contained code example that shows the problem? As 
small as possible would be preferred.


Paul
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Re: [osg-users] ParticleSystem and alignment = BILLBOARD

2009-02-06 Thread MEDARD Christophe

I will try with the 2.8.0 (and check at its code for my information).
Thanks !

Christophe

--- Message d'origine ---
 De : Robert Osfield robert.osfi...@gmail.com
 À : OpenSceneGraph Users osg-users@lists.openscenegraph.org
 Sujet : Re: [osg-users] ParticleSystem and alignment = BILLBOARD
 Date : jeu 05 fév 2009 19:13:48 CET
 
 HI Christophe,
 
 Could you please try the OSG-2.8.0-rc1 as there was a fix for this issue.
 
 Robert.
 


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