FGFS-4.1/OpenSceneGraph
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From Lionel Lagarde, "Support for paging and shared PBO"

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"The attached file contains:
- a per-context read counter in GLBufferObject::BufferEntry
- a global client counter in BufferData
- the glue between Texture* and Image client counter
"
This commit is contained in:
Robert Osfield
2013-06-27 16:44:32 +00:00
parent 57947ea75c
commit 9f13e2fcb9
10 changed files with 180 additions and 58 deletions
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25
src/osg/Texture2D.cpp
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@@ -37,16 +37,17 @@ Texture2D::Texture2D(Image* image):
Texture2D::Texture2D(const Texture2D& text,const CopyOp& copyop):
Texture(text,copyop),
_image(copyop(text._image.get())),
_textureWidth(text._textureWidth),
_textureHeight(text._textureHeight),
_numMipmapLevels(text._numMipmapLevels),
_subloadCallback(text._subloadCallback)
{
setImage(copyop(text._image.get()));
}
Texture2D::~Texture2D()
{
setImage(NULL);
}
int Texture2D::compare(const StateAttribute& sa) const
@@ -109,19 +110,29 @@ void Texture2D::setImage(Image* image)
{
if (_image == image) return;
if (_image.valid() && _image->requiresUpdateCall())
if (_image.valid())
{
setUpdateCallback(0);
setDataVariance(osg::Object::STATIC);
_image->removeClient(this);
if (_image->requiresUpdateCall())
{
setUpdateCallback(0);
setDataVariance(osg::Object::STATIC);
}
}
_image = image;
_modifiedCount.setAllElementsTo(0);
if (_image.valid() && _image->requiresUpdateCall())
if (_image.valid())
{
setUpdateCallback(new Image::UpdateCallback());
setDataVariance(osg::Object::DYNAMIC);
_image->addClient(this);
if (_image->requiresUpdateCall())
{
setUpdateCallback(new Image::UpdateCallback());
setDataVariance(osg::Object::DYNAMIC);
}
}
}