FGFS-4.1/OpenSceneGraph
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Added support for using a custom osg::Geometry that attempts to force the OpenGL driver

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to download the texture object to graphics card.

Calling IncrementalCompileOperation::assignForceTextureDownloadGeometry() assigns a geometry
to the job.
This commit is contained in:
Robert Osfield
2010-10-13 15:03:02 +00:00
parent ffa75c9c84
commit b55f75111e
2 changed files with 68 additions and 12 deletions
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34
include/osgUtil/IncrementalCompileOperation
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@@ -15,6 +15,7 @@
#define OSGUTIL_INCREMENTALCOMPILEOPERATOR
#include <osgUtil/GLObjectsVisitor>
#include <osg/Geometry>
namespace osgUtil {
@@ -167,6 +168,16 @@ class OSGUTIL_EXPORT IncrementalCompileOperation : public osg::GraphicsOperation
OpenThreads::Mutex* getCompiledMutex() { return &_compiledMutex; }
CompileSets& getCompiled() { return _compiled; }
/** Assign a geometry and associated StateSet than is applied after each texture compile to atttempt to force the OpenGL
* drive to download the texture object to OpenGL graphics card.*/
void assignForceTextureDownloadGeometry();
/** Set the osg::Geometry to apply after each texture compile to atttempt to force the OpenGL
* drive to download the texture object to OpenGL graphics card.*/
void setForceTextureDownloadGeometry(osg::Geometry* geom) { _forceTextureDownloadGeometry = geom; }
osg::Geometry* getForceTextureDownloadGeometry() { return _forceTextureDownloadGeometry.get(); }
const osg::Geometry* getForceTextureDownloadGeometry() const { return _forceTextureDownloadGeometry.get(); }
protected:
virtual ~IncrementalCompileOperation();
@@ -174,23 +185,24 @@ class OSGUTIL_EXPORT IncrementalCompileOperation : public osg::GraphicsOperation
// forward declare to keep within class namespace
class CollectStateToCompile;
double _targetFrameRate;
double _minimumTimeAvailableForGLCompileAndDeletePerFrame;
unsigned int _maximumNumOfObjectsToCompilePerFrame;
double _flushTimeRatio;
double _conservativeTimeRatio;
double _targetFrameRate;
double _minimumTimeAvailableForGLCompileAndDeletePerFrame;
unsigned int _maximumNumOfObjectsToCompilePerFrame;
double _flushTimeRatio;
double _conservativeTimeRatio;
OpenThreads::Mutex _toCompileMutex;
CompileSets _toCompile;
osg::ref_ptr<osg::Geometry> _forceTextureDownloadGeometry;
OpenThreads::Mutex _toCompileMutex;
CompileSets _toCompile;
OpenThreads::Mutex _compiledMutex;
CompileSets _compiled;
OpenThreads::Mutex _compiledMutex;
CompileSets _compiled;
ContextSet _contexts;
ContextSet _contexts;
};
}
#endif