FGFS-4.1/OpenSceneGraph
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Added Object::resizeGLObjectBuffers(uint) method to help improve the ability

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to change the number of active graphics contexts on the fly during an applications
life.
This commit is contained in:
Robert Osfield
2007-01-04 14:11:51 +00:00
parent 0ec854a365
commit ff195bddf5
28 changed files with 179 additions and 9 deletions
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3
include/osg/Camera
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@@ -352,6 +352,9 @@ class OSG_EXPORT Camera : public Transform, public CullSettings
OpenThreads::Mutex* getDataChangeMutex() const { return &_dataChangeMutex; }
/** Resize any per context GLObject buffers to specified size. */
virtual void resizeGLObjectBuffers(unsigned int maxSize);
/** If State is non-zero, this function releases any associated OpenGL objects for
* the specified graphics context. Otherwise, releases OpenGL objexts
* for all graphics contexts. */

3
include/osg/Drawable
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@@ -278,6 +278,9 @@ class OSG_EXPORT Drawable : public Object
*/
virtual void compileGLObjects(RenderInfo& renderInfo) const;
/** Resize any per context GLObject buffers to specified size. */
virtual void resizeGLObjectBuffers(unsigned int maxSize);
/** If State is non-zero, this function releases OpenGL objects for
* the specified graphics context. Otherwise, releases OpenGL objexts
* for all graphics contexts. */

3
include/osg/FragmentProgram
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@@ -220,6 +220,9 @@ class OSG_EXPORT FragmentProgram : public StateAttribute
virtual void compileGLObjects(State& state) const { apply(state); }
/** Resize any per context GLObject buffers to specified size. */
virtual void resizeGLObjectBuffers(unsigned int maxSize);
/** 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.*/

3
include/osg/Geode
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@@ -138,6 +138,9 @@ class OSG_EXPORT Geode : public Node
virtual BoundingSphere computeBound() const;
/** Resize any per context GLObject buffers to specified size. */
virtual void resizeGLObjectBuffers(unsigned int maxSize);
/** If State is non-zero, this function releases any associated OpenGL objects for
* the specified graphics context. Otherwise, releases OpenGL objexts
* for all graphics contexts. */

3
include/osg/Group
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@@ -142,6 +142,9 @@ class OSG_EXPORT Group : public Node
return _children.size(); // node not found.
}
/** Resize any per context GLObject buffers to specified size. */
virtual void resizeGLObjectBuffers(unsigned int maxSize);
/** If State is non-zero, this function releases any associated OpenGL objects for
* the specified graphics context. Otherwise, releases OpenGL objexts
* for all graphics contexts. */

2
include/osg/Node
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@@ -299,6 +299,8 @@ class OSG_EXPORT Node : public Object
/** Get the const compute bound callback.*/
const ComputeBoundingSphereCallback* getComputeBoundingSphereCallback() const { return _computeBoundCallback.get(); }
/** Resize any per context GLObject buffers to specified size. */
virtual void resizeGLObjectBuffers(unsigned int /*maxSize*/);
/** If State is non-zero, this function releases any associated OpenGL objects for
* the specified graphics context. Otherwise, releases OpenGL objexts

2
include/osg/Object
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@@ -118,6 +118,8 @@ class OSG_EXPORT Object : public Referenced
/** Get const user data.*/
inline const Referenced* getUserData() const { return _userData.get(); }
/** Resize any per context GLObject buffers to specified size. */
virtual void resizeGLObjectBuffers(unsigned int /*maxSize*/) {}
/** If State is non-zero, this function releases any associated OpenGL objects for
* the specified graphics context. Otherwise, releases OpenGL objexts

12
include/osg/PrimitiveSet
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@@ -242,6 +242,9 @@ class OSG_EXPORT PrimitiveSet : public Object
/** Get modified count value.*/
inline unsigned int getModifiedCount() const { return _modifiedCount; }
/** Resize any per context GLObject buffers to specified size. */
virtual void resizeGLObjectBuffers(unsigned int /*maxSize*/) {}
/** If State is non-zero, this function releases OpenGL objects for
* the specified graphics context. Otherwise, releases OpenGL objexts
* for all graphics contexts. */
@@ -437,6 +440,9 @@ class OSG_EXPORT DrawElementsUByte : public PrimitiveSet, public VectorGLubyte
virtual unsigned int index(unsigned int pos) const { return (*this)[pos]; }
virtual void offsetIndices(int offset);
/** Resize any per context GLObject buffers to specified size. */
virtual void resizeGLObjectBuffers(unsigned int maxSize);
virtual void releaseGLObjects(State* state=0) const;
virtual void computeRange() const
@@ -517,6 +523,9 @@ class OSG_EXPORT DrawElementsUShort : public PrimitiveSet, public VectorGLushort
virtual unsigned int index(unsigned int pos) const { return (*this)[pos]; }
virtual void offsetIndices(int offset);
/** Resize any per context GLObject buffers to specified size. */
virtual void resizeGLObjectBuffers(unsigned int maxSize);
virtual void releaseGLObjects(State* state=0) const;
virtual void computeRange() const
@@ -595,6 +604,9 @@ class OSG_EXPORT DrawElementsUInt : public PrimitiveSet, public VectorGLuint
virtual unsigned int index(unsigned int pos) const { return (*this)[pos]; }
virtual void offsetIndices(int offset);
/** Resize any per context GLObject buffers to specified size. */
virtual void resizeGLObjectBuffers(unsigned int maxSize);
virtual void releaseGLObjects(State* state=0) const;
virtual void computeRange() const

3
include/osg/Program
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@@ -63,6 +63,9 @@ class OSG_EXPORT Program : public osg::StateAttribute
virtual void compileGLObjects(osg::State& state) const;
/** Resize any per context GLObject buffers to specified size. */
virtual void resizeGLObjectBuffers(unsigned int maxSize);
/** release OpenGL objects in specified graphics context if State
object is passed, otherwise release OpenGL objects for all graphics context if
State object pointer NULL.*/

3
include/osg/Shader
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@@ -81,6 +81,9 @@ class OSG_EXPORT Shader : public osg::Object
/** Get the Shader type as a descriptive string. */
const char* getTypename() const;
/** Resize any per context GLObject buffers to specified size. */
virtual void resizeGLObjectBuffers(unsigned int maxSize);
/** release OpenGL objects in specified graphics context if State
object is passed, otherwise release OpenGL objects for all graphics context if
State object pointer NULL.*/

7
include/osg/StateAttribute
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@@ -312,10 +312,13 @@ class OSG_EXPORT StateAttribute : public Object
*/
virtual void apply(State&) const {}
/** default to nothing to compile - all state is applied immediately. */
/** Default to nothing to compile - all state is applied immediately. */
virtual void compileGLObjects(State&) const {}
/** release OpenGL objects in specified graphics context if State
/** Resize any per context GLObject buffers to specified size. */
virtual void resizeGLObjectBuffers(unsigned int /*maxSize*/) {}
/** Release 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 {}

3
include/osg/StateSet
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@@ -417,6 +417,9 @@ class OSG_EXPORT StateSet : public Object
/** call compile on all StateAttributes contained within this StateSet.*/
void compileGLObjects(State& state) const;
/** Resize any per context GLObject buffers to specified size. */
virtual void resizeGLObjectBuffers(unsigned int maxSize);
/** call release on all StateAttributes contained within this StateSet.*/
virtual void releaseGLObjects(State* state=0) const;

3
include/osg/Texture
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@@ -451,6 +451,9 @@ class OSG_EXPORT Texture : public osg::StateAttribute
/** Calls apply(state) to compile the texture. */
virtual void compileGLObjects(State& state) const;
/** Resize any per context GLObject buffers to specified size. */
virtual void resizeGLObjectBuffers(unsigned int maxSize);
/** If State is non-zero, this function releases OpenGL objects for
* the specified graphics context. Otherwise, releases OpenGL objexts
* for all graphics contexts. */

3
include/osg/VertexProgram
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@@ -221,6 +221,9 @@ class OSG_EXPORT VertexProgram : public StateAttribute
virtual void compileGLObjects(State& state) const { apply(state); }
/** Resize any per context GLObject buffers to specified size. */
virtual void resizeGLObjectBuffers(unsigned int maxSize);
/** Release any OpenGL objects in specified graphics context if State
* object is passed, otherwise release OpenGL objexts for all graphics contexts if
* State object pointer is NULL.

4
include/osg/buffered_value
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@@ -48,6 +48,8 @@ class buffered_value
inline bool empty() const { return _array.empty(); }
inline unsigned int size() const { return _array.size(); }
inline void resize(unsigned int newSize) { _array.resize(newSize,0); }
inline T& operator[] (unsigned int pos)
{
@@ -99,6 +101,8 @@ class buffered_object
inline unsigned int size() const { return _array.size(); }
inline void resize(unsigned int newSize) { _array.resize(newSize); }
inline T& operator[] (unsigned int pos)
{
// automatically resize array.