FGFS-4.1/OpenSceneGraph
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Enabled blending to all but iso surface shader.

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Changed the alpha value of the iso surface colour to 1.0
This commit is contained in:
Robert Osfield
2009-04-28 14:26:13 +00:00
parent 54c3204524
commit b037fdb14a
2 changed files with 22 additions and 5 deletions
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19
src/osgVolume/RayTracedTechnique.cpp
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@@ -173,8 +173,12 @@ void RayTracedTechnique::init()
}
bool enableBlending = false;
if (shadingModel==MaximumIntensityProjection)
{
enableBlending = true;
if (tf)
{
osg::Texture1D* texture1D = new osg::Texture1D;
@@ -259,6 +263,8 @@ void RayTracedTechnique::init()
}
else if (shadingModel==Light)
{
enableBlending = true;
if (tf)
{
osg::Texture1D* texture1D = new osg::Texture1D;
@@ -301,10 +307,12 @@ void RayTracedTechnique::init()
}
else
{
enableBlending = true;
if (tf)
{
osg::notify(osg::NOTICE)<<"Setting up TF path"<<std::endl;
osg::Texture1D* texture1D = new osg::Texture1D;
texture1D->setImage(tf->getImage());
texture1D->setResizeNonPowerOfTwoHint(false);
@@ -329,7 +337,7 @@ void RayTracedTechnique::init()
}
else
{
{
osg::Shader* fragmentShader = osgDB::readShaderFile(osg::Shader::FRAGMENT, "shaders/volume.frag");
if (fragmentShader)
@@ -362,6 +370,13 @@ void RayTracedTechnique::init()
stateset->addUniform(new osg::Uniform("AlphaFuncValue",alphaFuncValue));
if (enableBlending)
{
stateset->setMode(GL_BLEND, osg::StateAttribute::ON);
stateset->setRenderingHint(osg::StateSet::TRANSPARENT_BIN);
}
stateset->setMode(GL_CULL_FACE, osg::StateAttribute::ON);
osg::TexGen* texgen = new osg::TexGen;