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Added osg::CullSettings class as a way of collecting all the various

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settings related to the cull traversal in one place, so we can keep APIs
for settings these values more consistent.
This commit is contained in:
Robert Osfield 2004-04-30 15:35:31 +00:00
parent 7596b3b361
commit 5836d60fbd
11 changed files with 300 additions and 210 deletions
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8
VisualStudio/osg/osg.dsp
View File

@ -191,6 +191,10 @@ SOURCE=..\..\src\osg\CullStack.cpp
# End Source File
# Begin Source File
SOURCE=..\..\src\osg\CullSettings.cpp
# End Source File
# Begin Source File
SOURCE=..\..\src\osg\Depth.cpp
# End Source File
# Begin Source File
@ -575,6 +579,10 @@ SOURCE=..\..\Include\Osg\CullStack
# End Source File
# Begin Source File
SOURCE=..\..\Include\Osg\CullSettings
# End Source File
# Begin Source File
SOURCE=..\..\Include\Osg\Depth
# End Source File
# Begin Source File

14
examples/osgviewer/osgviewer.cpp
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@ -12,6 +12,7 @@
#include <osgDB/ReadFile>
#include <osgUtil/Optimizer>
#include <osgProducer/Viewer>
#include <osg/CoordinateSystemNode>
int main( int argc, char **argv )
{
@ -84,10 +85,23 @@ int main( int argc, char **argv )
osgUtil::Optimizer optimizer;
optimizer.optimize(loadedModel.get());
#if 0
osg::CoordinateSystemNode* csn = new osg::CoordinateSystemNode;
csn->addChild(loadedModel.get());
csn->setEllipsoidModel(new osg::EllipsoidModel());
osg::NodePath nodepath;
nodepath.push_back(csn);
viewer.setCoordindateSystemNodePath(nodepath);
// set the scene to render
viewer.setSceneData(csn);
#else
viewer.setSceneData(loadedModel.get());
#endif
// create the windows and run the threads.
viewer.realize();

181
include/osg/CullSettings Normal file
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@ -0,0 +1,181 @@
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2003 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
#ifndef OSG_CULLSETTINGS
#define OSG_CULLSETTINGS 1
#include <osg/Matrix>
#include <osg/ClearNode>
namespace osg {
class SG_EXPORT CullSettings
{
public:
CullSettings() { setDefaults(); }
CullSettings(const CullSettings& cs) { setCullSettings(cs); }
~CullSettings() {}
CullSettings& operator = (const CullSettings& settings)
{
if (this==&settings) return *this;
setCullSettings(settings);
return *this;
}
void setDefaults();
void setCullSettings(const CullSettings& settings);
/** Switch the creation of Impostors on or off.
* Setting active to false forces the CullVisitor to use the Impostor
* LOD children for rendering. Setting active to true forces the
* CullVisitor to create the appropriate pre-rendering stages which
* render to the ImpostorSprite's texture.*/
void setImpostorsActive(bool active) { _impostorActive = active; }
/** Get whether impostors are active or not. */
bool getImpostorsActive() const { return _impostorActive; }
/** Set the impostor error threshold.
* Used in calculation of whether impostors remain valid.*/
void setImpostorPixelErrorThreshold(float numPixels) { _impostorPixelErrorThreshold=numPixels; }
/** Get the impostor error threshold.*/
float getImpostorPixelErrorThreshold() const { return _impostorPixelErrorThreshold; }
/** Set whether ImpostorSprite's should be placed in a depth sorted bin for rendering.*/
void setDepthSortImpostorSprites(bool doDepthSort) { _depthSortImpostorSprites = doDepthSort; }
/** Get whether ImpostorSprite's are depth sorted bin for rendering.*/
bool setDepthSortImpostorSprites() const { return _depthSortImpostorSprites; }
/** Set the number of frames that an ImpostorSprite's is kept whilst not being beyond,
* before being recycled.*/
void setNumberOfFrameToKeepImpostorSprites(int numFrames) { _numFramesToKeepImpostorSprites = numFrames; }
/** Get the number of frames that an ImpostorSprite's is kept whilst not being beyond,
* before being recycled.*/
int getNumberOfFrameToKeepImpostorSprites() const { return _numFramesToKeepImpostorSprites; }
enum ComputeNearFarMode
{
DO_NOT_COMPUTE_NEAR_FAR = 0,
COMPUTE_NEAR_FAR_USING_BOUNDING_VOLUMES,
COMPUTE_NEAR_FAR_USING_PRIMITIVES
};
void setComputeNearFarMode(ComputeNearFarMode cnfm) { _computeNearFar=cnfm; }
ComputeNearFarMode getComputeNearFarMode() const { return _computeNearFar;}
void setNearFarRatio(double ratio) { _nearFarRatio = ratio; }
double getNearFarRatio() const { return _nearFarRatio; }
enum CullingModeValues
{
NO_CULLING = 0x0,
VIEW_FRUSTUM_SIDES_CULLING = 0x1,
NEAR_PLANE_CULLING = 0x2,
FAR_PLANE_CULLING = 0x4,
VIEW_FRUSTUM_CULLING = VIEW_FRUSTUM_SIDES_CULLING|
NEAR_PLANE_CULLING|
FAR_PLANE_CULLING,
SMALL_FEATURE_CULLING = 0x8,
SHADOW_OCCLUSION_CULLING = 0x10,
DEFAULT_CULLING = VIEW_FRUSTUM_SIDES_CULLING|
SMALL_FEATURE_CULLING|
SHADOW_OCCLUSION_CULLING,
ENABLE_ALL_CULLING = VIEW_FRUSTUM_CULLING|
SMALL_FEATURE_CULLING|
SHADOW_OCCLUSION_CULLING
};
typedef unsigned int CullingMode;
/** Set the culling mode for the CullVisitor to use.*/
void setCullingMode(CullingMode mode) { _cullingMode = mode; }
/** Returns the current CullingMode.*/
CullingMode getCullingMode() const { return _cullingMode; }
void setCullMask(const osg::Node::NodeMask nm) { _cullMask = nm; }
osg::Node::NodeMask getCullMask() const { return _cullMask; }
void setCullMaskLeft(const osg::Node::NodeMask nm) { _cullMaskLeft = nm; }
osg::Node::NodeMask getCullMaskLeft() const { return _cullMaskLeft; }
void setCullMaskRight(const osg::Node::NodeMask nm) { _cullMaskRight = nm; }
osg::Node::NodeMask getCullMaskRight() const { return _cullMaskRight; }
/** Set the LOD bias for the CullVisitor to use.*/
void setLODScale(float bias) { _LODScale = bias; }
/** Get the LOD bias.*/
float getLODScale() const { return _LODScale; }
/** Set the Small Feature Culling Pixel Size.*/
void setSmallFeatureCullingPixelSize(float value) { _smallFeatureCullingPixelSize=value; }
/** Get the Small Feature Culling Pixel Size.*/
float getSmallFeatureCullingPixelSize() const { return _smallFeatureCullingPixelSize; }
/** Callback for overriding the CullVisitor's default clamping of the projection matrix to computed near and far values.
* Note, both Matrixf and Matrixd versions of clampProjectionMatrixImplementation must be implemented as the CullVisitor
* can target either Matrix data type, configured at compile time.*/
struct ClampProjectionMatrixCallback : public osg::Referenced
{
virtual bool clampProjectionMatrixImplementation(osg::Matrixf& projection, double znear, double zfar) const = 0;
virtual bool clampProjectionMatrixImplementation(osg::Matrixd& projection, double znear, double zfar) const = 0;
};
/** set the ClampProjectionMatrixCallback.*/
void setClampProjectionMatrixCallback(ClampProjectionMatrixCallback* cpmc) { _clampProjectionMatrixCallback = cpmc; }
/** get the non const ClampProjectionMatrixCallback.*/
ClampProjectionMatrixCallback* getClampProjectionMatrixCallback() { return _clampProjectionMatrixCallback.get(); }
/** get the const ClampProjectionMatrixCallback.*/
const ClampProjectionMatrixCallback* getClampProjectionMatrixCallback() const { return _clampProjectionMatrixCallback.get(); }
protected:
ComputeNearFarMode _computeNearFar;
CullingMode _cullingMode;
float _LODScale;
float _smallFeatureCullingPixelSize;
ref_ptr<ClampProjectionMatrixCallback> _clampProjectionMatrixCallback;
double _nearFarRatio;
bool _impostorActive;
bool _depthSortImpostorSprites;
float _impostorPixelErrorThreshold;
int _numFramesToKeepImpostorSprites;
Node::NodeMask _cullMask;
Node::NodeMask _cullMaskLeft;
Node::NodeMask _cullMaskRight;
};
}
#endif

42
include/osg/CullStack
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@ -15,6 +15,7 @@
#define OSG_CULLSTACK 1
#include <osg/CullingSet>
#include <osg/CullSettings>
#include <osg/Viewport>
#include <osg/fast_back_stack>
@ -22,7 +23,7 @@ namespace osg {
/** A CullStack class which accumulates the current project, modelview matrices
and the CullingSet. */
class SG_EXPORT CullStack
class SG_EXPORT CullStack : public osg::CullSettings
{
public:
@ -34,28 +35,6 @@ class SG_EXPORT CullStack
typedef std::vector<ShadowVolumeOccluder> OccluderList;
enum CullingModeValues
{
NO_CULLING = 0x0,
VIEW_FRUSTUM_SIDES_CULLING = 0x1,
NEAR_PLANE_CULLING = 0x2,
FAR_PLANE_CULLING = 0x4,
VIEW_FRUSTUM_CULLING = VIEW_FRUSTUM_SIDES_CULLING|
NEAR_PLANE_CULLING|
FAR_PLANE_CULLING,
SMALL_FEATURE_CULLING = 0x8,
SHADOW_OCCLUSION_CULLING = 0x10,
DEFAULT_CULLING = VIEW_FRUSTUM_SIDES_CULLING|
SMALL_FEATURE_CULLING|
SHADOW_OCCLUSION_CULLING,
ENABLE_ALL_CULLING = VIEW_FRUSTUM_CULLING|
SMALL_FEATURE_CULLING|
SHADOW_OCCLUSION_CULLING
};
typedef unsigned int CullingMode;
void reset();
void setOccluderList(const ShadowVolumeOccluderList& svol) { _occluderList = svol; }
@ -74,19 +53,6 @@ class SG_EXPORT CullStack
inline float getFrustumVolume() { if (_frustumVolume<0.0f) computeFrustumVolume(); return _frustumVolume; }
/** Sets the current CullingMode.*/
void setCullingMode(CullingMode mode) { _cullingMode = mode; }
/** Returns the current CullingMode.*/
CullingMode getCullingMode() const { return _cullingMode; }
void setLODScale(float bias) { _LODScale = bias; }
float getLODScale() const { return _LODScale; }
void setSmallFeatureCullingPixelSize(float value) { _smallFeatureCullingPixelSize=value; }
float getSmallFeatureCullingPixelSize() const { return _smallFeatureCullingPixelSize; }
/** Compute the pixel of an object at position v, with specified radius.*/
float pixelSize(const Vec3& v,float radius) const
{
@ -179,10 +145,6 @@ class SG_EXPORT CullStack
void pushCullingSet();
void popCullingSet();
CullingMode _cullingMode;
float _LODScale;
float _smallFeatureCullingPixelSize;
// base set of shadow volume occluder to use in culling.
ShadowVolumeOccluderList _occluderList;

77
include/osgUtil/CullVisitor
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@ -59,7 +59,7 @@ class OSGUTIL_EXPORT CullVisitor : public osg::NodeVisitor, public osg::CullStac
virtual CullVisitor* cloneType() const { return new CullVisitor(); }
virtual void reset();
virtual osg::Vec3 getEyePoint() const { return getEyeLocal(); }
virtual float getDistanceToEyePoint(const osg::Vec3& pos, bool withLODScale) const;
virtual float getDistanceFromEyePoint(const osg::Vec3& pos, bool withLODScale) const;
@ -82,52 +82,6 @@ class OSGUTIL_EXPORT CullVisitor : public osg::NodeVisitor, public osg::CullStac
void setClearNode(const osg::ClearNode* earthSky) { _clearNode = earthSky; }
const osg::ClearNode* getClearNode() const { return _clearNode.get(); }
/** Switch the creation of Impostors on or off.
* Setting active to false forces the CullVisitor to use the Impostor
* LOD children for rendering. Setting active to true forces the
* CullVisitor to create the appropriate pre-rendering stages which
* render to the ImpostorSprite's texture.*/
void setImpostorsActive(bool active) { _impostorActive = active; }
/** Get whether impostors are active or not. */
bool getImpostorsActive() const { return _impostorActive; }
/** Set the impostor error threshold.
* Used in calculation of whether impostors remain valid.*/
void setImpostorPixelErrorThreshold(float numPixels) { _impostorPixelErrorThreshold=numPixels; }
/** Get the impostor error threshold.*/
float getImpostorPixelErrorThreshold() const { return _impostorPixelErrorThreshold; }
/** Set whether ImpostorSprite's should be placed in a depth sorted bin for rendering.*/
void setDepthSortImpostorSprites(bool doDepthSort) { _depthSortImpostorSprites = doDepthSort; }
/** Get whether ImpostorSprite's are depth sorted bin for rendering.*/
bool setDepthSortImpostorSprites() const { return _depthSortImpostorSprites; }
/** Set the number of frames that an ImpostorSprite's is kept whilst not being beyond,
* before being recycled.*/
void setNumberOfFrameToKeepImpostorSprites(int numFrames) { _numFramesToKeepImpostorSprites = numFrames; }
/** Get the number of frames that an ImpostorSprite's is kept whilst not being beyond,
* before being recycled.*/
int getNumberOfFrameToKeepImpostorSprites() const { return _numFramesToKeepImpostorSprites; }
enum ComputeNearFarMode
{
DO_NOT_COMPUTE_NEAR_FAR = 0,
COMPUTE_NEAR_FAR_USING_BOUNDING_VOLUMES,
COMPUTE_NEAR_FAR_USING_PRIMITIVES
};
void setComputeNearFarMode(ComputeNearFarMode cnfm) { _computeNearFar=cnfm; }
ComputeNearFarMode getComputeNearFarMode() const { return _computeNearFar;}
void setNearFarRatio(float ratio) { _nearFarRatio = ratio; }
float getNearFarRatio() const { return _nearFarRatio; }
/** Push state set on the current state group.
* If the state exists in a child state group of the current
* state group then move the current state group to that child.
@ -219,22 +173,6 @@ class OSGUTIL_EXPORT CullVisitor : public osg::NodeVisitor, public osg::CullStac
virtual void popProjectionMatrix();
/** Callback for overriding the CullVisitor's default clamping of the projection matrix to computed near and far values.
* Note, both Matrixf and Matrixd versions of clampProjectionMatrixImplementation must be implemented as the CullVisitor
* can target either Matrix data type, configured at compile time.*/
struct ClampProjectionMatrixCallback : public osg::Referenced
{
virtual bool clampProjectionMatrixImplementation(osg::Matrixf& projection, double znear, double zfar) const = 0;
virtual bool clampProjectionMatrixImplementation(osg::Matrixd& projection, double znear, double zfar) const = 0;
};
/** set the ClampProjectionMatrixCallback.*/
void setClampProjectionMatrixCallback(ClampProjectionMatrixCallback* cpmc) { _clampProjectionMatrixCallback = cpmc; }
/** get the non const ClampProjectionMatrixCallback.*/
ClampProjectionMatrixCallback* getClampProjectionMatrixCallback() { return _clampProjectionMatrixCallback.get(); }
/** get the const ClampProjectionMatrixCallback.*/
const ClampProjectionMatrixCallback* getClampProjectionMatrixCallback() const { return _clampProjectionMatrixCallback.get(); }
/** CullVisitor's default clamping of the projection float matrix to computed near and far values.
* Note, do not call this method directly, use clampProjectionMatrix(..) instead, unless you want to bypass the callback.*/
virtual bool clampProjectionMatrixImplementation(osg::Matrixf& projection, double znear, double zfar) const;
@ -314,27 +252,18 @@ class OSGUTIL_EXPORT CullVisitor : public osg::NodeVisitor, public osg::CullStac
* to generate the impostor texture. */
osg::ImpostorSprite* createImpostorSprite(osg::Impostor& node);
osg::ref_ptr<const osg::ClearNode> _clearNode;
osg::ref_ptr<RenderGraph> _rootRenderGraph;
RenderGraph* _currentRenderGraph;
osg::ref_ptr<RenderStage> _rootRenderStage;
RenderBin* _currentRenderBin;
ComputeNearFarMode _computeNearFar;
value_type _nearFarRatio;
value_type _computed_znear;
value_type _computed_zfar;
osg::ref_ptr<ClampProjectionMatrixCallback> _clampProjectionMatrixCallback;
osg::ref_ptr<const osg::ClearNode> _clearNode;
bool _impostorActive;
bool _depthSortImpostorSprites;
float _impostorPixelErrorThreshold;
int _numFramesToKeepImpostorSprites;
typedef std::vector< osg::ref_ptr<RenderLeaf> > RenderLeafList;
RenderLeafList _reuseRenderLeafList;

103
include/osgUtil/SceneView
View File

@ -20,7 +20,7 @@
#include <osg/FrameStamp>
#include <osg/DisplaySettings>
#include <osg/CollectOccludersVisitor>
#include <osg/CullSettings>
#include <osgUtil/CullVisitor>
@ -31,7 +31,7 @@ namespace osgUtil {
* camera (modelview+projection matrices), global state, lights and the scene itself. Provides
* methods for setting up the view and rendering it.
*/
class OSGUTIL_EXPORT SceneView : public osg::Referenced
class OSGUTIL_EXPORT SceneView : public osg::Referenced, public osg::CullSettings
{
public:
@ -211,17 +211,6 @@ class OSGUTIL_EXPORT SceneView : public osg::Referenced
void getViewMatrixAsLookAt(osg::Vec3& eye,osg::Vec3& center,osg::Vec3& up,float lookDistance=1.0f);
/** Set the draw buffer value used at the start of each frame draw. Note, overridden in quad buffer stereo mode */
void setDrawBufferValue( GLenum drawBufferValue )
{
_drawBufferValue = drawBufferValue;
}
/** Get the draw buffer value used at the start of each frame draw. */
GLenum getDrawBufferValue() const
{
return _drawBufferValue;
}
void setInitVisitor(osg::NodeVisitor* av) { _initVisitor = av; }
@ -277,39 +266,18 @@ class OSGUTIL_EXPORT SceneView : public osg::Referenced
const osgUtil::RenderStage* getRenderStageRight() const { return _renderStageRight.get(); }
void setCullMask(const osg::Node::NodeMask nm) { _cullMask = nm; }
osg::Node::NodeMask getCullMask() const { return _cullMask; }
/** Set the draw buffer value used at the start of each frame draw. Note, overridden in quad buffer stereo mode */
void setDrawBufferValue( GLenum drawBufferValue )
{
_drawBufferValue = drawBufferValue;
}
void setCullMaskLeft(const osg::Node::NodeMask nm) { _cullMaskLeft = nm; }
osg::Node::NodeMask getCullMaskLeft() const { return _cullMaskLeft; }
/** Get the draw buffer value used at the start of each frame draw. */
GLenum getDrawBufferValue() const
{
return _drawBufferValue;
}
void setCullMaskRight(const osg::Node::NodeMask nm) { _cullMaskRight = nm; }
osg::Node::NodeMask getCullMaskRight() const { return _cullMaskRight; }
/** Set the LOD bias for the CullVisitor to use.*/
void setLODScale(float bias) { _LODScale = bias; }
/** Get the LOD bias.*/
float getLODScale() const { return _LODScale; }
/** Set the Small Feature Culling Pixel Size.*/
void setSmallFeatureCullingPixelSize(float value) { _smallFeatureCullingPixelSize=value; }
/** Get the Small Feature Culling Pixel Size.*/
float getSmallFeatureCullingPixelSize() const { return _smallFeatureCullingPixelSize; }
/** Set the culling mode for the CullVisitor to use.*/
void setCullingMode(osg::CullStack::CullingMode mode) { _cullingMode = mode; }
/** Returns the current CullingMode.*/
osg::CullStack::CullingMode getCullingMode() const { return _cullingMode; }
/** Set the ComputeNearFarMode for the CullVisitor to use.*/
void setComputeNearFarMode(CullVisitor::ComputeNearFarMode cnfm) { _computeNearFar=cnfm; }
/** Get the ComputeNearFarMode.*/
CullVisitor::ComputeNearFarMode getComputeNearFarMode() const { return _computeNearFar;}
/** FusionDistanceMode is used only when working in stereo.*/
enum FusionDistanceMode
@ -340,6 +308,19 @@ class OSGUTIL_EXPORT SceneView : public osg::Referenced
/** get whether the draw method should call renderer->prioritizeTexture.*/
bool getPrioritizeTextures() const { return _prioritizeTextures; }
/** callback for overidding the default method for compute the offset projection and view matrices.*/
struct ComputeStereoMatricesCallback : public osg::Referenced
{
virtual osg::Matrixd computeLeftEyeProjection(const osg::Matrixd& projection) const = 0;
virtual osg::Matrixd computeLeftEyeView(const osg::Matrixd& view) const = 0;
virtual osg::Matrixd computeRightEyeProjection(const osg::Matrixd& projection) const = 0;
virtual osg::Matrixd computeRightEyeView(const osg::Matrixd& view) const = 0;
};
void setComputeStereoMatricesCallback(ComputeStereoMatricesCallback* callback) { _computeStereoMatricesCallback=callback; }
ComputeStereoMatricesCallback* getComputeStereoMatricesCallback() { return _computeStereoMatricesCallback.get(); }
const ComputeStereoMatricesCallback* getComputeStereoMatricesCallback() const { return _computeStereoMatricesCallback.get(); }
/** Calculate, via glUnProject, the object coordinates of a window point.
Note, current implementation requires that SceneView::draw() has been previously called
@ -377,19 +358,6 @@ class OSGUTIL_EXPORT SceneView : public osg::Referenced
/** callback for overidding the default method for compute the offset projection and view matrices.*/
struct ComputeStereoMatricesCallback : public osg::Referenced
{
virtual osg::Matrixd computeLeftEyeProjection(const osg::Matrixd& projection) const = 0;
virtual osg::Matrixd computeLeftEyeView(const osg::Matrixd& view) const = 0;
virtual osg::Matrixd computeRightEyeProjection(const osg::Matrixd& projection) const = 0;
virtual osg::Matrixd computeRightEyeView(const osg::Matrixd& view) const = 0;
};
void setComputeStereoMatricesCallback(ComputeStereoMatricesCallback* callback) { _computeStereoMatricesCallback=callback; }
ComputeStereoMatricesCallback* getComputeStereoMatricesCallback() { return _computeStereoMatricesCallback.get(); }
const ComputeStereoMatricesCallback* getComputeStereoMatricesCallback() const { return _computeStereoMatricesCallback.get(); }
inline osg::Matrixd computeLeftEyeProjection(const osg::Matrixd& projection) const
{
@ -454,31 +422,25 @@ class OSGUTIL_EXPORT SceneView : public osg::Referenced
void clearArea(int x,int y,int width,int height,const osg::Vec4& color);
osg::ref_ptr<osg::Node> _sceneData;
osg::ref_ptr<osg::StateSet> _globalStateSet;
osg::ref_ptr<osg::StateSet> _localStateSet;
osg::ref_ptr<osg::Light> _light;
osg::ref_ptr<osg::State> _state;
osg::Matrixd _projectionMatrix;
osg::Matrixd _viewMatrix;
osg::ref_ptr<osg::DisplaySettings> _displaySettings;
osg::ref_ptr<osg::State> _state;
bool _initCalled;
osg::ref_ptr<osg::NodeVisitor> _initVisitor;
osg::ref_ptr<osg::NodeVisitor> _updateVisitor;
osg::Node::NodeMask _cullMask;
osg::ref_ptr<osgUtil::CullVisitor> _cullVisitor;
osg::ref_ptr<osgUtil::RenderGraph> _rendergraph;
osg::ref_ptr<osgUtil::RenderStage> _renderStage;
osg::ref_ptr<ComputeStereoMatricesCallback> _computeStereoMatricesCallback;
osg::Node::NodeMask _cullMaskLeft;
osg::ref_ptr<osgUtil::CullVisitor> _cullVisitorLeft;
osg::ref_ptr<osgUtil::RenderGraph> _rendergraphLeft;
osg::ref_ptr<osgUtil::RenderStage> _renderStageLeft;
osg::Node::NodeMask _cullMaskRight;
osg::ref_ptr<osgUtil::CullVisitor> _cullVisitorRight;
osg::ref_ptr<osgUtil::RenderGraph> _rendergraphRight;
osg::ref_ptr<osgUtil::RenderStage> _renderStageRight;
@ -486,14 +448,15 @@ class OSGUTIL_EXPORT SceneView : public osg::Referenced
osg::ref_ptr<osg::CollectOccludersVisitor> _collectOccludersVisistor;
osg::ref_ptr<osg::FrameStamp> _frameStamp;
osg::ref_ptr<osg::Node> _sceneData;
osg::ref_ptr<osg::StateSet> _globalStateSet;
osg::ref_ptr<osg::Light> _light;
osg::ref_ptr<osg::DisplaySettings> _displaySettings;
osg::Vec4 _clearColor;
CullVisitor::ComputeNearFarMode _computeNearFar;
osg::CullStack::CullingMode _cullingMode;
float _LODScale;
float _smallFeatureCullingPixelSize;
FusionDistanceMode _fusionDistanceMode;
float _fusionDistanceValue;

53
src/osg/CullSettings.cpp Normal file
View File

@ -0,0 +1,53 @@
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2003 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
#include <osg/CullSettings>
using namespace osg;
void CullSettings::setDefaults()
{
_cullingMode = DEFAULT_CULLING;
_LODScale = 1.0f;
_smallFeatureCullingPixelSize = 2.0f;
_computeNearFar = COMPUTE_NEAR_FAR_USING_BOUNDING_VOLUMES;
_nearFarRatio = 0.0005f;
_impostorActive = true;
_depthSortImpostorSprites = false;
_impostorPixelErrorThreshold = 4.0f;
_numFramesToKeepImpostorSprites = 10;
_cullMask = 0xffffffff;
_cullMaskLeft = 0xffffffff;
_cullMaskRight = 0xffffffff;
// override during testing
_computeNearFar = COMPUTE_NEAR_FAR_USING_PRIMITIVES;
_nearFarRatio = 0.0005f;
}
void CullSettings::setCullSettings(const CullSettings& settings)
{
_computeNearFar = settings._computeNearFar;
_nearFarRatio = settings._nearFarRatio;
_impostorActive = settings._impostorActive;
_depthSortImpostorSprites = settings._depthSortImpostorSprites;
_impostorPixelErrorThreshold = settings._impostorPixelErrorThreshold;
_numFramesToKeepImpostorSprites = settings._numFramesToKeepImpostorSprites;
_cullMask = settings._cullMask;
_cullMaskLeft = settings._cullMaskLeft;
_cullMaskRight = settings._cullMaskRight;
_cullingMode = settings._cullingMode;
_LODScale = settings._LODScale;
_smallFeatureCullingPixelSize = settings._smallFeatureCullingPixelSize;
}

3
src/osg/CullStack.cpp
View File

@ -17,9 +17,6 @@ using namespace osg;
CullStack::CullStack()
{
_cullingMode = DEFAULT_CULLING;
_LODScale = 1.0f;
_smallFeatureCullingPixelSize = 2.0f;
_frustumVolume=-1.0f;
_bbCornerNear = 0;
_bbCornerFar = 7;

1
src/osg/GNUmakefile
View File

@ -25,6 +25,7 @@ CXXFILES =\
CullFace.cpp\
CullingSet.cpp\
CullStack.cpp\
CullSettings.cpp\
Depth.cpp\
DisplaySettings.cpp\
Drawable.cpp\

6
src/osgUtil/CullVisitor.cpp
View File

@ -95,14 +95,8 @@ CullVisitor::CullVisitor():
NodeVisitor(CULL_VISITOR,TRAVERSE_ACTIVE_CHILDREN),
_currentRenderGraph(NULL),
_currentRenderBin(NULL),
_computeNearFar(COMPUTE_NEAR_FAR_USING_BOUNDING_VOLUMES),
_nearFarRatio(0.0005f),
_computed_znear(FLT_MAX),
_computed_zfar(-FLT_MAX),
_impostorActive(true),
_depthSortImpostorSprites(false),
_impostorPixelErrorThreshold(4.0f),
_numFramesToKeepImpostorSprites(10),
_currentReuseRenderLeafIndex(0)
{
_impostorSpriteManager = new ImpostorSpriteManager;

22
src/osgUtil/SceneView.cpp
View File

@ -36,12 +36,6 @@ SceneView::SceneView(DisplaySettings* ds)
_clearColor.set(0.2f, 0.2f, 0.4f, 1.0f);
_computeNearFar = CullVisitor::COMPUTE_NEAR_FAR_USING_BOUNDING_VOLUMES;
//_computeNearFar = CullVisitor::COMPUTE_NEAR_FAR_USING_PRIMITIVES;
_cullingMode = osg::CullStack::DEFAULT_CULLING;
_LODScale = 1.0f;
_smallFeatureCullingPixelSize = 3.0f;
_fusionDistanceMode = PROPORTIONAL_TO_SCREEN_DISTANCE;
_fusionDistanceValue = 1.0f;
@ -54,9 +48,6 @@ SceneView::SceneView(DisplaySettings* ds)
_initCalled = false;
_cullMask = 0xffffffff;
_cullMaskLeft = 0xffffffff;
_cullMaskRight = 0xffffffff;
_drawBufferValue = GL_BACK;
@ -71,6 +62,8 @@ SceneView::~SceneView()
void SceneView::setDefaults()
{
CullSettings::setDefaults();
_projectionMatrix.makePerspective(50.0f,1.4f,1.0f,10000.0f);
_viewMatrix.makeIdentity();
@ -134,10 +127,6 @@ void SceneView::setDefaults()
_globalStateSet->setAttributeAndModes(lightmodel, osg::StateAttribute::ON);
_clearColor.set(0.2f, 0.2f, 0.4f, 1.0f);
_cullMask = 0xffffffff;
_cullMaskLeft = 0xffffffff;
_cullMaskRight = 0xffffffff;
}
void SceneView::init()
@ -485,6 +474,8 @@ void SceneView::cullStage(const osg::Matrixd& projection,const osg::Matrixd& mod
if (!_collectOccludersVisistor) _collectOccludersVisistor = new osg::CollectOccludersVisitor;
_collectOccludersVisistor->setCullSettings(*this);
_collectOccludersVisistor->reset();
_collectOccludersVisistor->setFrameStamp(_frameStamp.get());
@ -528,10 +519,7 @@ void SceneView::cullStage(const osg::Matrixd& projection,const osg::Matrixd& mod
cullVisitor->setTraversalNumber(_frameStamp->getFrameNumber());
}
cullVisitor->setCullingMode(_cullingMode);
cullVisitor->setComputeNearFarMode(_computeNearFar);
cullVisitor->setLODScale(_LODScale);
cullVisitor->setSmallFeatureCullingPixelSize(_smallFeatureCullingPixelSize);
cullVisitor->setCullSettings(*this);
cullVisitor->setClearNode(NULL); // reset earth sky on each frame.