Hi Rob,
I think you forgot to set the data in the textureCubeMap in float,
that's why you see strange colors for values above 1.0.
You can try this :
osg::TextureCubeMap* cubemap = new osg::TextureCubeMap;
cubemap->setInternalFormat(GL_RGBA16F_ARB);
cubemap->setSourceType(GL_FLOAT);
cubemap->setSourceFormat(GL_RGBA);
#define CUBEMAP_FILENAME(face)
"../../../OpenSceneGraph-Data/Cubemap_debevec/" #face ".hdr"
osg::Image* imagePosX = osgDB::readImageFile(CUBEMAP_FILENAME(posx));
osg::Image* imageNegX = osgDB::readImageFile(CUBEMAP_FILENAME(negx));
osg::Image* imagePosY = osgDB::readImageFile(CUBEMAP_FILENAME(posy));
osg::Image* imageNegY = osgDB::readImageFile(CUBEMAP_FILENAME(negy));
osg::Image* imagePosZ = osgDB::readImageFile(CUBEMAP_FILENAME(posz));
osg::Image* imageNegZ = osgDB::readImageFile(CUBEMAP_FILENAME(negz));
if (imagePosX && imageNegX && imagePosY && imageNegY && imagePosZ
&& imageNegZ)
{
cubemap->setImage(osg::TextureCubeMap::POSITIVE_X, imagePosX);
cubemap->setImage(osg::TextureCubeMap::NEGATIVE_X, imageNegX);
cubemap->setImage(osg::TextureCubeMap::POSITIVE_Y, imagePosY);
cubemap->setImage(osg::TextureCubeMap::NEGATIVE_Y, imageNegY);
cubemap->setImage(osg::TextureCubeMap::POSITIVE_Z, imagePosZ);
cubemap->setImage(osg::TextureCubeMap::NEGATIVE_Z, imageNegZ);
cubemap->setWrap(osg::Texture::WRAP_S, osg::Texture::CLAMP_TO_EDGE);
cubemap->setWrap(osg::Texture::WRAP_T, osg::Texture::CLAMP_TO_EDGE);
cubemap->setWrap(osg::Texture::WRAP_R, osg::Texture::CLAMP_TO_EDGE);
//cubemap->setFilter(osg::Texture::MIN_FILTER,
osg::Texture::LINEAR_MIPMAP_LINEAR);
cubemap->setFilter(osg::Texture::MIN_FILTER,
osg::Texture::LINEAR);
cubemap->setFilter(osg::Texture::MAG_FILTER, osg::Texture::LINEAR);
//cubemap->setResizeNonPowerOfTwoHint(false);
}
Hope this help :)
Josselin.
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