9c9439ef73
Added using of DisplaySettings:getgTextShaderTechnique() to Text default constructor. Added better debug output control in Text.cpp
448 lines
19 KiB
C++
448 lines
19 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 <osg/Matrixd>
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#include <osg/ref_ptr>
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#include <string>
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#include <vector>
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#include <map>
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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 ref_ptr<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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void setUseSceneViewForStereoHint(bool hint) { _useSceneViewForStereoHint = hint; }
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bool getUseSceneViewForStereoHint() const { return _useSceneViewForStereoHint; }
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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 setMaxBufferObjectPoolSize(unsigned int size) { _maxBufferObjectPoolSize = size; }
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unsigned int getMaxBufferObjectPoolSize() const { return _maxBufferObjectPoolSize; }
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/**
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Methods used to set and get defaults for Cameras implicit buffer attachments.
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For more info: See description of Camera::setImplicitBufferAttachment method
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DisplaySettings implicit buffer attachment selection defaults to: DEPTH and COLOR
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for both primary (Render) FBO and secondary Multisample (Resolve) FBO
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ie: IMPLICIT_DEPTH_BUFFER_ATTACHMENT | IMPLICIT_COLOR_BUFFER_ATTACHMENT
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**/
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enum ImplicitBufferAttachment
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{
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IMPLICIT_DEPTH_BUFFER_ATTACHMENT = (1 << 0),
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IMPLICIT_STENCIL_BUFFER_ATTACHMENT = (1 << 1),
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IMPLICIT_COLOR_BUFFER_ATTACHMENT = (1 << 2),
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DEFAULT_IMPLICIT_BUFFER_ATTACHMENT = IMPLICIT_COLOR_BUFFER_ATTACHMENT | IMPLICIT_DEPTH_BUFFER_ATTACHMENT
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};
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typedef int ImplicitBufferAttachmentMask;
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void setImplicitBufferAttachmentMask(ImplicitBufferAttachmentMask renderMask = DisplaySettings::DEFAULT_IMPLICIT_BUFFER_ATTACHMENT, ImplicitBufferAttachmentMask resolveMask = DisplaySettings::DEFAULT_IMPLICIT_BUFFER_ATTACHMENT )
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{
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_implicitBufferAttachmentRenderMask = renderMask;
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_implicitBufferAttachmentResolveMask = resolveMask;
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}
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void setImplicitBufferAttachmentRenderMask(ImplicitBufferAttachmentMask implicitBufferAttachmentRenderMask)
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{
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_implicitBufferAttachmentRenderMask = implicitBufferAttachmentRenderMask;
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}
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void setImplicitBufferAttachmentResolveMask(ImplicitBufferAttachmentMask implicitBufferAttachmentResolveMask)
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{
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_implicitBufferAttachmentResolveMask = implicitBufferAttachmentResolveMask;
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}
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/** Get mask selecting default implicit buffer attachments for Cameras primary FBOs. */
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ImplicitBufferAttachmentMask getImplicitBufferAttachmentRenderMask() const { return _implicitBufferAttachmentRenderMask; }
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/** Get mask selecting default implicit buffer attachments for Cameras secondary MULTISAMPLE FBOs. */
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ImplicitBufferAttachmentMask getImplicitBufferAttachmentResolveMask() const { return _implicitBufferAttachmentResolveMask;}
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enum SwapMethod
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{
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SWAP_DEFAULT, // Leave swap method at default returned by choose Pixel Format.
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SWAP_EXCHANGE, // Flip front / back buffer.
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SWAP_COPY, // Copy back to front buffer.
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SWAP_UNDEFINED // Move back to front buffer leaving contents of back buffer undefined.
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};
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/** Select preferred swap method */
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void setSwapMethod( SwapMethod swapMethod ) { _swapMethod = swapMethod; }
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/** Get preferred swap method */
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SwapMethod getSwapMethod( void ) { return _swapMethod; }
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/** Set whether Arb Sync should be used to manage the swaps buffers, 0 disables the use of the sync, greater than zero enables sync based on number of frames specified.*/
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void setSyncSwapBuffers(unsigned int numFrames=0) { _syncSwapBuffers = numFrames; }
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/** Set whether Arb Sync should be used to manage the swaps buffers.*/
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unsigned int getSyncSwapBuffers() const { return _syncSwapBuffers; }
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/** Set the hint of which OpenGL version to attempt to create a graphics context for.*/
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void setGLContextVersion(const std::string& version) { _glContextVersion = version; }
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/** Get the hint of which OpenGL version to attempt to create a graphics context for.*/
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const std::string getGLContextVersion() const { return _glContextVersion; }
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/** Set the hint of the flags to use in when creating graphic contexts.*/
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void setGLContextFlags(unsigned int flags) { _glContextFlags = flags; }
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/** Get the hint of the flags to use in when creating graphic contexts.*/
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unsigned int getGLContextFlags() const { return _glContextFlags; }
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/** Set the hint of the profile mask to use in when creating graphic contexts.*/
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void setGLContextProfileMask(unsigned int mask) { _glContextProfileMask = mask; }
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/** Get the hint of the profile mask to use in when creating graphic contexts.*/
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unsigned int getGLContextProfileMask() const { return _glContextProfileMask; }
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/** Set the NvOptimusEnablement value. Default can be set using OSG_NvOptimusEnablement env var.*/
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void setNvOptimusEnablement(int value);
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/** Get the NvOptimusEnablement value. */
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int getNvOptimusEnablement() const;
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enum VertexBufferHint
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{
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NO_PREFERENCE,
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VERTEX_BUFFER_OBJECT,
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VERTEX_ARRAY_OBJECT
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};
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void setVertexBufferHint(VertexBufferHint gi) { _vertexBufferHint = gi; }
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VertexBufferHint getVertexBufferHint() const { return _vertexBufferHint; }
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enum ShaderHint
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{
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SHADER_NONE,
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SHADER_GL2,
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SHADER_GLES2,
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SHADER_GL3,
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SHADER_GLES3
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};
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/** set the ShaderHint to tells shader generating cdoes version to create.
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* By default also OSG_GLSL_VERSION and OSG_PRECISION_FLOAT values that can get use directly in shaders using $OSG_GLSL_VERSION and $OSG_PRECISION_FLOAT respectively.*/
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void setShaderHint(ShaderHint hint, bool setShaderValues=true);
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ShaderHint getShaderHint() const { return _shaderHint; }
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/** Set the TextShaderTechnique that is used in the Text default constructor to choose which osgText::ShaderTechnique to use.*/
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void setTextShaderTechnique(const std::string& str) { _textShaderTechnique = str; }
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const std::string& getTextShaderTechnique() const { return _textShaderTechnique; }
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void setKeystoneHint(bool enabled) { _keystoneHint = enabled; }
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bool getKeystoneHint() const { return _keystoneHint; }
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typedef std::vector<std::string> FileNames;
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void setKeystoneFileNames(const FileNames& filenames) { _keystoneFileNames = filenames; }
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FileNames& getKeystoneFileNames() { return _keystoneFileNames; }
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const FileNames& getKeystoneFileNames() const { return _keystoneFileNames; }
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typedef std::vector< osg::ref_ptr<osg::Object> > Objects;
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void setKeystones(const Objects& objects) { _keystones = objects; }
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Objects& getKeystones() { return _keystones; }
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const Objects& getKeystones() const { return _keystones; }
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enum OSXMenubarBehavior
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{
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MENUBAR_AUTO_HIDE,
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MENUBAR_FORCE_HIDE,
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MENUBAR_FORCE_SHOW
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};
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OSXMenubarBehavior getOSXMenubarBehavior() const { return _OSXMenubarBehavior; }
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void setOSXMenubarBehavior(OSXMenubarBehavior hint) { _OSXMenubarBehavior = hint; }
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/** helper function for computing the left eye projection matrix.*/
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virtual osg::Matrixd computeLeftEyeProjectionImplementation(const osg::Matrixd& projection) const;
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/** helper function for computing the left eye view matrix.*/
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virtual osg::Matrixd computeLeftEyeViewImplementation(const osg::Matrixd& view, double eyeSeperationScale=1.0) const;
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/** helper function for computing the right eye view matrix.*/
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virtual osg::Matrixd computeRightEyeProjectionImplementation(const osg::Matrixd& projection) const;
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/** helper function for computing the right eye view matrix.*/
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virtual osg::Matrixd computeRightEyeViewImplementation(const osg::Matrixd& view, double eyeSeperationScale=1.0) const;
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void setValue(const std::string& name, const std::string& value);
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bool getValue(const std::string& name, std::string& value, bool use_getenv_fallback=true) const;
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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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bool _useSceneViewForStereoHint;
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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 _maxBufferObjectPoolSize;
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ImplicitBufferAttachmentMask _implicitBufferAttachmentRenderMask;
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ImplicitBufferAttachmentMask _implicitBufferAttachmentResolveMask;
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std::string _glContextVersion;
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unsigned int _glContextFlags;
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unsigned int _glContextProfileMask;
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SwapMethod _swapMethod;
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unsigned int _syncSwapBuffers;
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VertexBufferHint _vertexBufferHint;
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ShaderHint _shaderHint;
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std::string _textShaderTechnique;
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bool _keystoneHint;
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FileNames _keystoneFileNames;
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Objects _keystones;
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OSXMenubarBehavior _OSXMenubarBehavior;
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typedef std::map<std::string, std::string> ValueMap;
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mutable OpenThreads::Mutex _valueMapMutex;
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mutable ValueMap _valueMap;
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};
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}
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# endif
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