FGFS-4.1/OpenSceneGraph
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Introduced memory pool size management

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This commit is contained in:
Robert Osfield
2009-09-23 13:51:20 +00:00
parent 3d75054e2c
commit d56499025b
4 changed files with 146 additions and 45 deletions
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43
include/osg/Texture
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@@ -812,7 +812,8 @@ class OSG_EXPORT Texture : public osg::StateAttribute
_width(0),
_height(0),
_depth(0),
_border(0) {}
_border(0),
_size(0) {}
inline TextureProfile(GLenum target,
GLint numMipmapLevels,
@@ -827,7 +828,8 @@ class OSG_EXPORT Texture : public osg::StateAttribute
_width(width),
_height(height),
_depth(depth),
_border(border) {}
_border(border),
_size(0) { computeSize(); }
#define LESSTHAN(A,B) if (A<B) return true; if (B<A) return false;
@@ -835,6 +837,7 @@ class OSG_EXPORT Texture : public osg::StateAttribute
bool operator < (const TextureProfile& rhs) const
{
LESSTHAN(_size,rhs._size);
LESSTHAN(_target,rhs._target);
LESSTHAN(_numMipmapLevels,rhs._numMipmapLevels);
LESSTHAN(_internalFormat,rhs._internalFormat);
@@ -887,13 +890,16 @@ class OSG_EXPORT Texture : public osg::StateAttribute
(_border == border);
}
GLenum _target;
GLint _numMipmapLevels;
GLenum _internalFormat;
GLsizei _width;
GLsizei _height;
GLsizei _depth;
GLint _border;
void computeSize();
GLenum _target;
GLint _numMipmapLevels;
GLenum _internalFormat;
GLsizei _width;
GLsizei _height;
GLsizei _depth;
GLint _border;
unsigned int _size;
};
// forward declare
@@ -959,6 +965,8 @@ class OSG_EXPORT Texture : public osg::StateAttribute
inline GLenum id() const { return _id; }
inline GLenum target() const { return _profile._target; }
inline unsigned int size() const { return _profile._size; }
inline void setTexture(Texture* texture) { _texture = texture; }
inline Texture* getTexture() const { return _texture; }
@@ -1009,7 +1017,9 @@ class OSG_EXPORT Texture : public osg::StateAttribute
void moveToBack(TextureObject* to);
void addToBack(TextureObject* to);
void orphan(TextureObject* to);
unsigned int size() const;
unsigned int size() const { return _profile._size * _numOfTextureObjects; }
bool makeSpace(unsigned int& size);
bool checkConsistency() const;
@@ -1038,8 +1048,14 @@ class OSG_EXPORT Texture : public osg::StateAttribute
unsigned int getContextID() const { return _contextID; }
void setTexturePoolSize(unsigned int size);
unsigned int getTexturePoolSize() const { return _texturePoolSize; }
void setCurrTexturePoolSize(unsigned int size) { _currTexturePoolSize = size; }
unsigned int getCurrTexturePoolSize() const { return _currTexturePoolSize; }
void setMaxTexturePoolSize(unsigned int size);
unsigned int getMaxTexturePoolSize() const { return _maxTexturePoolSize; }
bool hasSpace(unsigned int size) const { return (_currTexturePoolSize+size)<=_maxTexturePoolSize; }
bool makeSpace(unsigned int size);
TextureObject* generateTextureObject(const Texture* texture, GLenum target);
TextureObject* generateTextureObject(const Texture* texture,
@@ -1060,7 +1076,8 @@ class OSG_EXPORT Texture : public osg::StateAttribute
typedef std::map< TextureProfile, osg::ref_ptr<TextureObjectSet> > TextureSetMap;
unsigned int _contextID;
unsigned int _texturePoolSize;
unsigned int _currTexturePoolSize;
unsigned int _maxTexturePoolSize;
TextureSetMap _textureSetMap;
};