96 lines
3.6 KiB
Plaintext
96 lines
3.6 KiB
Plaintext
// Filename: textureContext.I
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// Created by: drose (07Oct99)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
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//
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// All use of this software is subject to the terms of the Panda 3d
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// Software license. You should have received a copy of this license
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// along with this source code; you will also find a current copy of
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// the license at http://etc.cmu.edu/panda3d/docs/license/ .
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//
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// To contact the maintainers of this program write to
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// panda3d-general@lists.sourceforge.net .
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//
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////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////
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// Function: TextureContext::Constructor
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// Access: Public
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// Description:
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////////////////////////////////////////////////////////////////////
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INLINE TextureContext::
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TextureContext(PreparedGraphicsObjects *pgo, Texture *tex) :
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BufferContext(&pgo->_texture_residency),
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_texture(tex)
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{
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}
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////////////////////////////////////////////////////////////////////
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// Function: TextureContext::get_texture
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// Access: Public
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// Description: Returns the pointer to the associated Texture
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// object.
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////////////////////////////////////////////////////////////////////
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INLINE Texture *TextureContext::
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get_texture() const {
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return _texture;
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}
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////////////////////////////////////////////////////////////////////
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// Function: TextureContext::was_modified
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// Access: Public
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// Description: Returns true if the texture properties or image have
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// been modified since the last time mark_loaded() was
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// called.
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////////////////////////////////////////////////////////////////////
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INLINE bool TextureContext::
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was_modified() const {
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return was_properties_modified() || was_image_modified();
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}
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////////////////////////////////////////////////////////////////////
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// Function: TextureContext::was_properties_modified
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// Access: Public
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// Description: Returns true if the texture properties (unrelated to
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// the image) have been modified since the last time
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// mark_loaded() was called.
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////////////////////////////////////////////////////////////////////
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INLINE bool TextureContext::
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was_properties_modified() const {
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return _properties_modified != _texture->get_properties_modified();
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}
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////////////////////////////////////////////////////////////////////
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// Function: TextureContext::was_image_modified
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// Access: Public
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// Description: Returns true if the texture image has been modified
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// since the last time mark_loaded() was called.
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////////////////////////////////////////////////////////////////////
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INLINE bool TextureContext::
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was_image_modified() const {
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return _image_modified != _texture->get_image_modified();
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}
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////////////////////////////////////////////////////////////////////
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// Function: TextureContext::mark_loaded
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// Access: Public
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// Description: Should be called after the TextureContext has been
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// loaded into graphics memory, this updates the
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// internal flags for changed_size() and modified().
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////////////////////////////////////////////////////////////////////
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INLINE void TextureContext::
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mark_loaded() {
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// _data_size_bytes = _data->get_texture_size_bytes();
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_properties_modified = _texture->get_properties_modified();
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_image_modified = _texture->get_image_modified();
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update_modified(max(_properties_modified, _image_modified));
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// Assume the texture is now resident.
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set_resident(true);
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}
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