FGFS-4.1/OpenSceneGraph
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Various improvements to database paing.

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This commit is contained in:
Robert Osfield
2004-09-21 17:26:08 +00:00
parent eea9ddccf5
commit 0d884d66eb
14 changed files with 330 additions and 77 deletions
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27
src/osg/Texture.cpp
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@@ -37,6 +37,10 @@ using namespace osg;
#define GL_STORAGE_SHARED_APPLE 0x85BF
#endif
unsigned int Texture::s_numberTextureReusedLastInLastFrame = 0;
unsigned int Texture::s_numberNewTextureInLastFrame = 0;
unsigned int Texture::s_numberDeletedTextureInLastFrame = 0;
Texture::TextureObject* Texture::TextureObjectManager::generateTextureObject(unsigned int /*contextID*/,GLenum target)
{
GLuint id;
@@ -45,6 +49,8 @@ Texture::TextureObject* Texture::TextureObjectManager::generateTextureObject(uns
return new Texture::TextureObject(id,target);
}
static int s_number = 0;
Texture::TextureObject* Texture::TextureObjectManager::generateTextureObject(unsigned int /*contextID*/,
GLenum target,
GLint numMipmapLevels,
@@ -54,6 +60,10 @@ Texture::TextureObject* Texture::TextureObjectManager::generateTextureObject(uns
GLsizei depth,
GLint border)
{
++s_number;
++s_numberNewTextureInLastFrame;
// notify(NOTICE)<<"creating new texture object "<<s_number<<std::endl;
// no useable texture object found so return 0
GLuint id;
glGenTextures( 1L, &id );
@@ -85,8 +95,10 @@ Texture::TextureObject* Texture::TextureObjectManager::reuseTextureObject(unsign
Texture::TextureObject* textureObject = (*itr).release();
tol.erase(itr);
//notify(INFO)<<"reusing texture object "<<textureObject<<std::endl;
// notify(NOTICE)<<"reusing texture object "<<std::endl;
++s_numberTextureReusedLastInLastFrame;
return textureObject;
}
}
@@ -125,11 +137,14 @@ void Texture::TextureObjectManager::flushTextureObjects(unsigned int contextID,d
// if no time available don't try to flush objects.
if (availableTime<=0.0) return;
unsigned int numObjectsDeleted = 0;
unsigned int maxNumObjectsToDelete = 4;
const osg::Timer& timer = *osg::Timer::instance();
osg::Timer_t start_tick = timer.tick();
double elapsedTime = 0.0;
unsigned int numTexturesDeleted = 0;
{
#ifdef THREAD_SAFE_GLOBJECT_DELETE_LISTS
OpenThreads::ScopedLock<OpenThreads::Mutex> lock(_mutex);
@@ -151,16 +166,19 @@ void Texture::TextureObjectManager::flushTextureObjects(unsigned int contextID,d
double expiryTime = currentTime-_expiryDelay;
unsigned int numTexturesDeleted = 0;
for(itr=tol.begin();
itr!=tol.end() && elapsedTime<availableTime;
itr!=tol.end() && elapsedTime<availableTime && numObjectsDeleted<maxNumObjectsToDelete;
)
{
if ((*itr)->_timeStamp<expiryTime)
{
--s_number;
++s_numberDeletedTextureInLastFrame;
glDeleteTextures( 1L, &((*itr)->_id));
itr = tol.erase(itr);
++numTexturesDeleted;
++numObjectsDeleted;
}
else
{
@@ -169,9 +187,10 @@ void Texture::TextureObjectManager::flushTextureObjects(unsigned int contextID,d
elapsedTime = timer.delta_s(start_tick,timer.tick());
}
if (numTexturesDeleted) notify(osg::INFO)<<"Number of Texture's deleted = "<<numTexturesDeleted<<std::endl;
}
}
elapsedTime = timer.delta_s(start_tick,timer.tick());
// if (numTexturesDeleted) notify(osg::NOTICE)<<"Number of Texture's deleted = "<<numTexturesDeleted<<" new total "<<s_number<<" elapsed time"<<elapsedTime<<std::endl;
availableTime -= elapsedTime;
}