Handle<Device::RTTexture> createRandomTexture(Device *device, size_t width, size_t height)
{
Handle<Device::RTTexture> texture = device->rtNewTexture("image");
device->rtSetImage(texture, "image", createRandomImage(device, width, height));
device->rtCommit(texture);
return(texture);
}
osg::Node* createQuads( unsigned int cols, unsigned int rows )
{
osg::ref_ptr<osg::Geode> geode = new osg::Geode;
for ( unsigned int y=0; y<rows; ++y )
{
for ( unsigned int x=0; x<cols; ++x )
{
osg::ref_ptr<osg::Texture2D> texture = new osg::Texture2D;
texture->setImage( createRandomImage(512, 512) );
#ifdef COMPRESS_TEXTURE
texture->setInternalFormatMode( osg::Texture2D::USE_S3TC_DXT1_COMPRESSION );
texture->setUnRefImageDataAfterApply( true );
#endif
osg::Vec3 center((float)x, 0.0f, (float)y);
osg::ref_ptr<osg::Drawable> quad = osg::createTexturedQuadGeometry(
center, osg::Vec3(0.9f, 0.0f, 0.0f), osg::Vec3(0.0f, 0.0f, 0.9f) );
quad->getOrCreateStateSet()->setTextureAttributeAndModes( 0, texture.get() );
geode->addDrawable( quad.get() );
}
}
return geode.release();
}
