FGFS-4.1/OpenSceneGraph
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Implement first pass at texture compile estimation

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This commit is contained in:
Robert Osfield
2011-01-26 18:47:55 +00:00
parent a4f2cbe577
commit 373f3931e9
3 changed files with 37 additions and 10 deletions
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23
src/osgUtil/IncrementalCompileOperation.cpp
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@@ -174,7 +174,13 @@ IncrementalCompileOperation::CompileDrawableOp::CompileDrawableOp(osg::Drawable*
double IncrementalCompileOperation::CompileDrawableOp::estimatedTimeForCompile(CompileInfo& compileInfo) const
{
return 0.0;
GraphicsCostEstimator* gce = compileInfo.incrementalCompileOperation->getGraphicsCostEstimator();
osg::Geometry* geometry = _drawable->asGeometry();
if (gce && geometry)
{
return gce->estimateCompileCost(geometry).first;
}
else return 0.0;
}
bool IncrementalCompileOperation::CompileDrawableOp::compile(CompileInfo& compileInfo)
@@ -191,7 +197,9 @@ IncrementalCompileOperation::CompileTextureOp::CompileTextureOp(osg::Texture* te
double IncrementalCompileOperation::CompileTextureOp::estimatedTimeForCompile(CompileInfo& compileInfo) const
{
return 0.0;
GraphicsCostEstimator* gce = compileInfo.incrementalCompileOperation->getGraphicsCostEstimator();
if (gce) return gce->estimateCompileCost(_texture.get()).first;
else return 0.0;
}
bool IncrementalCompileOperation::CompileTextureOp::compile(CompileInfo& compileInfo)
@@ -224,7 +232,9 @@ IncrementalCompileOperation::CompileProgramOp::CompileProgramOp(osg::Program* pr
double IncrementalCompileOperation::CompileProgramOp::estimatedTimeForCompile(CompileInfo& compileInfo) const
{
return 0.0;
GraphicsCostEstimator* gce = compileInfo.incrementalCompileOperation->getGraphicsCostEstimator();
if (gce) return gce->estimateCompileCost(_program.get()).first;
else return 0.0;
}
bool IncrementalCompileOperation::CompileProgramOp::compile(CompileInfo& compileInfo)
@@ -276,14 +286,21 @@ bool IncrementalCompileOperation::CompileList::compile(CompileInfo& compileInfo)
itr != _compileOps.end() && compileInfo.availableTime()>0.0 && compileInfo.maxNumObjectsToCompile>0;
)
{
double estimatedCompileCost = (*itr)->estimatedTimeForCompile(compileInfo);
--compileInfo.maxNumObjectsToCompile;
osg::ElapsedTime timer;
CompileOps::iterator saved_itr(itr);
++itr;
if ((*saved_itr)->compile(compileInfo))
{
_compileOps.erase(saved_itr);
}
double actualCompileCost = timer.elapsedTime();
OSG_NOTICE<<"IncrementalCompileOperation::CompileList::compile() estimatedTimForCompile= "<<estimatedCompileCost<<", actual="<<actualCompileCost<<", ratio="<<(estimatedCompileCost/actualCompileCost)<<std::endl;
}
return empty();
}