FGFS-4.1/OpenSceneGraph
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Work on the RenderToTexture usage of the new osg::CameraNode. Both osghud

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and osgprerender now ported across to osg::CameraNode.
This commit is contained in:
Robert Osfield
2005-06-14 20:51:35 +00:00
parent 868d381528
commit 71122ff38f
9 changed files with 507 additions and 195 deletions
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103
include/osg/CameraNode
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@@ -16,12 +16,15 @@
#include <osg/Transform>
#include <osg/Viewport>
#include <osg/CullSettings>
#include <osg/Texture>
#include <osg/Image>
namespace osg {
/** CameraNode - is a subclass of Transform which represents encapsulates the settings of a Camera.
*/
class OSG_EXPORT CameraNode : public Transform
class OSG_EXPORT CameraNode : public Transform, public CullSettings
{
public :
@@ -34,20 +37,6 @@ class OSG_EXPORT CameraNode : public Transform
META_Node(osg, CameraNode);
/** Sets the clear color. */
inline void setClearColor(const Vec4& color) { _clearColor = color; }
/** Returns the clear color. */
inline const Vec4& getClearColor() const { return _clearColor; }
/** Set the clear mask used in glClear(..).
* Defaults to GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT. */
inline void setClearMask(GLbitfield mask) { _clearMask = mask; }
/** Get the clear mask.*/
inline GLbitfield getClearMask() const { return _clearMask; }
/** Set the viewport of the scene view to use specified osg::Viewport. */
void setViewport(osg::Viewport* viewport)
@@ -151,7 +140,76 @@ class OSG_EXPORT CameraNode : public Transform
/** Sets the clear color. */
inline void setClearColor(const Vec4& color) { _clearColor = color; }
/** Returns the clear color. */
inline const Vec4& getClearColor() const { return _clearColor; }
/** Set the clear mask used in glClear(..).
* Defaults to GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT. */
inline void setClearMask(GLbitfield mask) { _clearMask = mask; }
/** Get the clear mask.*/
inline GLbitfield getClearMask() const { return _clearMask; }
enum RenderOrder
{
PRE_RENDER,
NESTED_RENDER,
POST_RENDER
};
/** Set the rendering order of this camera's subgraph relative to any camera that this subgraph is nested within.
* For rendering to a texture, one typically uses PRE_RENDER.
* For Head Up Displays, one would typically use POST_RENDER.*/
void setRenderOrder(RenderOrder order) { _renderOrder = order; }
/** Get the rendering order of this camera's subgraph relative to any camera that this subgraph is nested within.*/
RenderOrder getRenderOrder() const { return _renderOrder; }
enum RenderTargetImplementation
{
FRAME_BUFFER_OBJECT,
PIXEL_BUFFER,
FRAME_BUFFER
};
void setRenderTargetImplmentation(RenderTargetImplementation impl) { _renderTargetImplementation = impl; }
RenderTargetImplementation getRenderTargetImplmentation() const { return _renderTargetImplementation; }
enum BufferComponent
{
COLOR_BUFFER,
DEPTH_BUFFER,
STENCIL_BUFFER
};
void attach(BufferComponent buffer, GLenum internalFormat);
void attach(BufferComponent buffer, osg::Texture* texture, unsigned int face=0);
void attach(BufferComponent buffer, osg::Image* image);
void detach(BufferComponent buffer);
struct Attachment
{
GLenum _internalFormat;
ref_ptr<Image> _image;
ref_ptr<Texture> _texture;
unsigned int _face;
};
typedef std::map< BufferComponent, Attachment> BufferAttachmentMap;
BufferAttachmentMap& getBufferAttachmentMap() { return _bufferAttachmentMap; }
const BufferAttachmentMap& getBufferAttachmentMap() const { return _bufferAttachmentMap; }
public:
/** Transform method that must be defined to provide generic interface for scene graph traversals.*/
@@ -164,11 +222,16 @@ class OSG_EXPORT CameraNode : public Transform
virtual ~CameraNode();
Vec4 _clearColor;
GLbitfield _clearMask;
ref_ptr<Viewport> _viewport;
Matrixd _projectionMatrix;
Matrixd _viewMatrix;
Vec4 _clearColor;
GLbitfield _clearMask;
ref_ptr<Viewport> _viewport;
Matrixd _projectionMatrix;
Matrixd _viewMatrix;
RenderOrder _renderOrder;
RenderTargetImplementation _renderTargetImplementation;
BufferAttachmentMap _bufferAttachmentMap;
};

2
include/osgUtil/CullVisitor
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@@ -25,6 +25,7 @@
#include <osg/StateSet>
#include <osg/State>
#include <osg/ClearNode>
#include <osg/CameraNode>
#include <osg/Notify>
#include <osg/CullStack>
@@ -75,6 +76,7 @@ class OSGUTIL_EXPORT CullVisitor : public osg::NodeVisitor, public osg::CullStac
virtual void apply(osg::Switch& node);
virtual void apply(osg::LOD& node);
virtual void apply(osg::ClearNode& node);
virtual void apply(osg::CameraNode& node);
virtual void apply(osg::OccluderNode& node);
void setClearNode(const osg::ClearNode* earthSky) { _clearNode = earthSky; }

12
include/osgUtil/RenderStage
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@@ -127,9 +127,14 @@ class OSGUTIL_EXPORT RenderStage : public RenderBin
virtual void draw(osg::State& state,RenderLeaf*& previous);
virtual void drawPostRenderStages(osg::State& state,RenderLeaf*& previous);
virtual void drawImplementation(osg::State& state,RenderLeaf*& previous);
void addToDependencyList(RenderStage* rs);
void addToDependencyList(RenderStage* rs) { addPreRenderStage(rs); }
void addPreRenderStage(RenderStage* rs);
void addPostRenderStage(RenderStage* rs);
/** Extract stats for current draw list. */
bool getStats(Statistics* primStats);
@@ -138,10 +143,11 @@ class OSGUTIL_EXPORT RenderStage : public RenderBin
virtual ~RenderStage();
typedef std::vector< osg::ref_ptr<RenderStage> > DependencyList;
typedef std::vector< osg::ref_ptr<RenderStage> > RenderStageList;
bool _stageDrawnThisFrame;
DependencyList _dependencyList;
RenderStageList _preRenderList;
RenderStageList _postRenderList;
// viewport x,y,width,height.
osg::ref_ptr<osg::Viewport> _viewport;