FGFS-4.1/OpenSceneGraph
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Added support for releasing GLObjects, and renamed DisplayListVisitor the

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GLObjectVisitor to better fit its function, and added support for releasing
objects as well as compiling them.
This commit is contained in:
Robert Osfield
2004-07-20 05:37:59 +00:00
parent 12a315ec1d
commit aa833acfd3
21 changed files with 214 additions and 73 deletions
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5
include/osg/Drawable
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@@ -254,8 +254,11 @@ class SG_EXPORT Drawable : public Object
/** Immediately compile this drawable into an OpenGL Display List.
Note I, operation is ignored if _useDisplayList to false.
Note II, compile is not intended to be overridden in subclasses.*/
virtual void compile(State& state) const;
virtual void compileGLObjects(State& state) const;
/** release any OpenGL display lists associated with graphics context specified
in osg::State object is supplied, or release all display lists for all graphics contexts if state pointer is NULL*/
virtual void releaseGLObjects(State* state=0) const;
struct UpdateCallback : public virtual osg::Object
{

7
include/osg/FragmentProgram
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@@ -201,7 +201,12 @@ class SG_EXPORT FragmentProgram : public StateAttribute
virtual void apply(State& state) const;
virtual void compile(State& state) const { apply(state); }
virtual void compileGLObjects(State& state) const { apply(state); }
/** release an OpenGL objects in specified graphics context if State
object is passed, otherwise release OpenGL objexts for all graphics context if
State object pointer NULL.*/
virtual void releaseGLObjects(State* state=0) const;
/** Extensions class which encapsulates the querring of extensions and
* associated function pointers, and provide convinience wrappers to

8
include/osg/StateAttribute
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@@ -229,7 +229,13 @@ class SG_EXPORT StateAttribute : public Object
virtual void apply(State&) const = 0;
/** default to nothing to compile - all state is applied immediately. */
virtual void compile(State&) const {}
virtual void compileGLObjects(State&) const {}
/** release an OpenGL objects in specified graphics context if State
object is passed, otherwise release OpenGL objexts for all graphics context if
State object pointer NULL.*/
virtual void releaseGLObjects(State* =0) const {}
protected:

5
include/osg/StateSet
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@@ -221,7 +221,10 @@ class SG_EXPORT StateSet : public Object
/** call compile on all StateAttributes contained within this StateSet.*/
void compile(State& state) const;
void compileGLObjects(State& state) const;
/** call release on all StateAttributes contained within this StateSet.*/
virtual void releaseGLObjects(State* state=0) const;
protected :

7
include/osg/Texture
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@@ -319,7 +319,12 @@ class SG_EXPORT Texture : public osg::StateAttribute
virtual void apply(State& state) const = 0;
/** Calls apply(state) to compile the texture. */
virtual void compile(State& state) const;
virtual void compileGLObjects(State& state) const;
/** release an OpenGL objects in specified graphics context if State
object is passed, otherwise release OpenGL objexts for all graphics context if
State object pointer NULL.*/
virtual void releaseGLObjects(State* state=0) const;
/** Extensions class which encapsulates the querring of extensions and
* associated function pointers, and provide convinience wrappers to

7
include/osg/VertexProgram
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@@ -193,7 +193,12 @@ class SG_EXPORT VertexProgram : public StateAttribute
virtual void apply(State& state) const;
virtual void compile(State& state) const { apply(state); }
virtual void compileGLObjects(State& state) const { apply(state); }
/** release an OpenGL objects in specified graphics context if State
object is passed, otherwise release OpenGL objexts for all graphics context if
State object pointer NULL.*/
virtual void releaseGLObjects(State* state=0) const;
/** Extensions class which encapsulates the querring of extensions and
* associated function pointers, and provide convinience wrappers to