261 lines
10 KiB
C++
261 lines
10 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* OpenSceneGraph Public License for more details.
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*/
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#ifndef OSG_DisplaySettings
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#define OSG_DisplaySettings 1
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#include <osg/Referenced>
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#include <string>
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#include <vector>
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namespace osg {
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// forward declare
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class ArgumentParser;
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class ApplicationUsage;
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/** DisplaySettings class for encapsulating what visuals are required and
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* have been set up, and the status of stereo viewing.*/
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class OSG_EXPORT DisplaySettings : public osg::Referenced
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{
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public:
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/** Maintain a DisplaySettings singleton for objects to query at runtime.*/
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static DisplaySettings* instance();
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DisplaySettings():
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Referenced(true)
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{
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setDefaults();
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readEnvironmentalVariables();
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}
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DisplaySettings(ArgumentParser& arguments):
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Referenced(true)
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{
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setDefaults();
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readEnvironmentalVariables();
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readCommandLine(arguments);
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}
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DisplaySettings(const DisplaySettings& vs);
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DisplaySettings& operator = (const DisplaySettings& vs);
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void setDisplaySettings(const DisplaySettings& vs);
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void merge(const DisplaySettings& vs);
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void setDefaults();
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/** read the environmental variables.*/
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void readEnvironmentalVariables();
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/** read the commandline arguments.*/
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void readCommandLine(ArgumentParser& arguments);
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enum DisplayType
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{
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MONITOR,
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POWERWALL,
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REALITY_CENTER,
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HEAD_MOUNTED_DISPLAY
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};
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void setDisplayType(DisplayType type) { _displayType = type; }
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DisplayType getDisplayType() const { return _displayType; }
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void setStereo(bool on) { _stereo = on; }
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bool getStereo() const { return _stereo; }
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enum StereoMode
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{
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QUAD_BUFFER,
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ANAGLYPHIC,
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HORIZONTAL_SPLIT,
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VERTICAL_SPLIT,
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LEFT_EYE,
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RIGHT_EYE,
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HORIZONTAL_INTERLACE,
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VERTICAL_INTERLACE,
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CHECKERBOARD
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};
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void setStereoMode(StereoMode mode) { _stereoMode = mode; }
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StereoMode getStereoMode() const { return _stereoMode; }
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void setEyeSeparation(float eyeSeparation) { _eyeSeparation = eyeSeparation; }
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float getEyeSeparation() const { return _eyeSeparation; }
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enum SplitStereoHorizontalEyeMapping
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{
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LEFT_EYE_LEFT_VIEWPORT,
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LEFT_EYE_RIGHT_VIEWPORT
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};
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void setSplitStereoHorizontalEyeMapping(SplitStereoHorizontalEyeMapping m) { _splitStereoHorizontalEyeMapping = m; }
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SplitStereoHorizontalEyeMapping getSplitStereoHorizontalEyeMapping() const { return _splitStereoHorizontalEyeMapping; }
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void setSplitStereoHorizontalSeparation(int s) { _splitStereoHorizontalSeparation = s; }
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int getSplitStereoHorizontalSeparation() const { return _splitStereoHorizontalSeparation; }
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enum SplitStereoVerticalEyeMapping
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{
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LEFT_EYE_TOP_VIEWPORT,
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LEFT_EYE_BOTTOM_VIEWPORT
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};
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void setSplitStereoVerticalEyeMapping(SplitStereoVerticalEyeMapping m) { _splitStereoVerticalEyeMapping = m; }
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SplitStereoVerticalEyeMapping getSplitStereoVerticalEyeMapping() const { return _splitStereoVerticalEyeMapping; }
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void setSplitStereoVerticalSeparation(int s) { _splitStereoVerticalSeparation = s; }
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int getSplitStereoVerticalSeparation() const { return _splitStereoVerticalSeparation; }
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void setSplitStereoAutoAdjustAspectRatio(bool flag) { _splitStereoAutoAdjustAspectRatio=flag; }
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bool getSplitStereoAutoAdjustAspectRatio() const { return _splitStereoAutoAdjustAspectRatio; }
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void setScreenWidth(float width) { _screenWidth = width; }
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float getScreenWidth() const { return _screenWidth; }
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void setScreenHeight(float height) { _screenHeight = height; }
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float getScreenHeight() const { return _screenHeight; }
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void setScreenDistance(float distance) { _screenDistance = distance; }
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float getScreenDistance() const { return _screenDistance; }
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void setDoubleBuffer(bool flag) { _doubleBuffer = flag; }
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bool getDoubleBuffer() const { return _doubleBuffer; }
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void setRGB(bool flag) { _RGB = flag; }
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bool getRGB() const { return _RGB; }
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void setDepthBuffer(bool flag) { _depthBuffer = flag; }
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bool getDepthBuffer() const { return _depthBuffer; }
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void setMinimumNumAlphaBits(unsigned int bits) { _minimumNumberAlphaBits = bits; }
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unsigned int getMinimumNumAlphaBits() const { return _minimumNumberAlphaBits; }
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bool getAlphaBuffer() const { return _minimumNumberAlphaBits!=0; }
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void setMinimumNumStencilBits(unsigned int bits) { _minimumNumberStencilBits = bits; }
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unsigned int getMinimumNumStencilBits() const { return _minimumNumberStencilBits; }
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bool getStencilBuffer() const { return _minimumNumberStencilBits!=0; }
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void setMinimumNumAccumBits(unsigned int red, unsigned int green, unsigned int blue, unsigned int alpha);
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unsigned int getMinimumNumAccumRedBits() const { return _minimumNumberAccumRedBits; }
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unsigned int getMinimumNumAccumGreenBits() const { return _minimumNumberAccumGreenBits; }
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unsigned int getMinimumNumAccumBlueBits() const { return _minimumNumberAccumBlueBits; }
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unsigned int getMinimumNumAccumAlphaBits() const { return _minimumNumberAccumAlphaBits; }
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bool getAccumBuffer() const { return (_minimumNumberAccumRedBits+_minimumNumberAccumGreenBits+_minimumNumberAccumBlueBits+_minimumNumberAccumAlphaBits)!=0; }
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void setMaxNumberOfGraphicsContexts(unsigned int num);
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unsigned int getMaxNumberOfGraphicsContexts() const;
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void setNumMultiSamples(unsigned int samples) { _numMultiSamples = samples; }
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unsigned int getNumMultiSamples() const { return _numMultiSamples; }
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bool getMultiSamples() const { return _numMultiSamples!=0; }
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void setCompileContextsHint(bool useCompileContexts) { _compileContextsHint = useCompileContexts; }
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bool getCompileContextsHint() const { return _compileContextsHint; }
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void setSerializeDrawDispatch(bool serializeDrawDispatch) { _serializeDrawDispatch = serializeDrawDispatch; }
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bool getSerializeDrawDispatch() const { return _serializeDrawDispatch; }
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/** Set the hint for the total number of threads in the DatbasePager set up, inclusive of the number of http dedicated threads.*/
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void setNumOfDatabaseThreadsHint(unsigned int numThreads) { _numDatabaseThreadsHint = numThreads; }
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/** Get the hint for total number of threads in the DatbasePager set up, inclusive of the number of http dedicated threads.*/
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unsigned int getNumOfDatabaseThreadsHint() const { return _numDatabaseThreadsHint; }
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/** Set the hint for number of threads in the DatbasePager to dedicate to reading http requests.*/
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void setNumOfHttpDatabaseThreadsHint(unsigned int numThreads) { _numHttpDatabaseThreadsHint = numThreads; }
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/** Get the hint for number of threads in the DatbasePager dedicated to reading http requests.*/
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unsigned int getNumOfHttpDatabaseThreadsHint() const { return _numHttpDatabaseThreadsHint; }
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void setApplication(const std::string& application) { _application = application; }
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const std::string& getApplication() { return _application; }
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void setMaxTexturePoolSize(unsigned int size) { _maxTexturePoolSize = size; }
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unsigned int getMaxTexturePoolSize() const { return _maxTexturePoolSize; }
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void setMaxVBOPoolSize(unsigned int size) { _maxVBOPoolSize = size; }
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unsigned int getMaxVBOPoolSize() const { return _maxVBOPoolSize; }
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void setMaxFBOPoolSize(unsigned int size) { _maxFBOPoolSize = size; }
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unsigned int getMaxFBOPoolSize() const { return _maxFBOPoolSize; }
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protected:
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virtual ~DisplaySettings();
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DisplayType _displayType;
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bool _stereo;
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StereoMode _stereoMode;
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float _eyeSeparation;
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float _screenWidth;
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float _screenHeight;
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float _screenDistance;
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SplitStereoHorizontalEyeMapping _splitStereoHorizontalEyeMapping;
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int _splitStereoHorizontalSeparation;
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SplitStereoVerticalEyeMapping _splitStereoVerticalEyeMapping;
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int _splitStereoVerticalSeparation;
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bool _splitStereoAutoAdjustAspectRatio;
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bool _doubleBuffer;
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bool _RGB;
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bool _depthBuffer;
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unsigned int _minimumNumberAlphaBits;
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unsigned int _minimumNumberStencilBits;
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unsigned int _minimumNumberAccumRedBits;
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unsigned int _minimumNumberAccumGreenBits;
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unsigned int _minimumNumberAccumBlueBits;
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unsigned int _minimumNumberAccumAlphaBits;
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unsigned int _maxNumOfGraphicsContexts;
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unsigned int _numMultiSamples;
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bool _compileContextsHint;
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bool _serializeDrawDispatch;
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unsigned int _numDatabaseThreadsHint;
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unsigned int _numHttpDatabaseThreadsHint;
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std::string _application;
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unsigned int _maxTexturePoolSize;
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unsigned int _maxVBOPoolSize;
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unsigned int _maxFBOPoolSize;
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};
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}
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# endif
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