HI Robert,
Thanks again:). Now I noticed the problem may caused by TexEnvCombine.The
following code works well in 1.2 and draw a pure white model. But in 2.33 it
draws a gray one . no codes changed. And I am also sure that vertex color and
materials has been set to white.
and the result of using
te->setCombine_RGB(osg::TexEnvCombine::ADD);is brighter than
te->setCombine_RGB(osg::TexEnvCombine::MODULATE); but also far to be pure white
ref_ptr<osg::Image> img=new osg::Image;
img->allocateImage(texmap.width,texmap.height ,1,GL_RGBA,GL_UNSIGNED_BYTE);
//set to pure white
memset(img->data(),255,img->getImageSizeInBytes());
Texture2D *tex=new Texture2D;
tex->setImage(0,img.get());
m_param_osg.m_lightmaped_model_node->getOrCreateStateSet()->setTextureAttributeAndModes(m_param_osg.m_lightmap_texcoord_level,tex,StateAttribute::ON|StateAttribute::OVERRIDE);
osg::TexEnvCombine *te = new osg::TexEnvCombine;
te->setCombine_RGB(osg::TexEnvCombine::ADD);
te->setSource1_RGB(osg::TexEnvCombine::TEXTURE);
te->setOperand1_RGB(osg::TexEnvCombine::SRC_COLOR);
te->setSource0_RGB(osg::TexEnvCombine::PREVIOUS);
te->setOperand0_RGB(osg::TexEnvCombine::SRC_COLOR);
Thanks !
----- Original Message -----
From: Robert Osfield
To: OpenSceneGraph Users
Sent: Monday, April 14, 2008 4:01 PM
Subject: Re: [osg-users] problem when using multi-sceneview in 2.3
Hi Wangmiao,
Using multiple SceneViews does work in 2.x, osgViewer uses SceneViews under
the hood to implement rendering, and it supports multiple views across one or
more graphics context without any problems.
As to why things are working your app I can't really even have a guess at as
I don't know the code.
Robert.
On Mon, Apr 14, 2008 at 6:56 AM, wangmiao <[EMAIL PROTECTED]> wrote:
Hello every one,
I meet a problem when switching to osg 2.33 , multi-sceneviews doesn't work
for 2 or more contextes.
I do it like these:
1. build opengl contex by opengl call
2.sceneview.Init()
loop................loop
3.destory sceneview AND releaseAllGLObjects
4.destory context wglDeleteContext
every context has an individual contextid set by
m_sceneview->getState()->setContextID
this works perfect with osg 1.2.
Is there any change may cause this problem? Thanks!
wangmiao
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