Moved the ArrayDispatchers management so that osg::State now has a ArrayDispatchers object that any osg::Geometry can reuse,
and optimized the implementation to reduce the CPU overhead.
This commit is contained in:
Robert Osfield
parent
b7ffae25ce
commit
9499b19b43
@ -17,12 +17,12 @@
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#include <osg/ref_ptr>
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#include <osg/Array>
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#include <osg/Matrixd>
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#include <osg/GLBeginEndAdapter>
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namespace osg {
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// forward declare
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class State;
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class GLBeginEndAdapter;
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class AttributeDispatchMap;
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struct AttributeDispatch : public osg::Referenced
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@ -36,11 +36,10 @@ class OSG_EXPORT ArrayDispatchers : public osg::Referenced
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{
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public:
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ArrayDispatchers(osg::State& state);
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ArrayDispatchers();
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~ArrayDispatchers();
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void assignTexCoordDispatchers(unsigned int unit);
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void assignVertexAttribDispatchers(unsigned int unit);
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void setState(osg::State* state);
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AttributeDispatch* vertexDispatcher(Array* array, IndexArray* indices);
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AttributeDispatch* normalDispatcher(Array* array, IndexArray* indices);
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@ -55,24 +54,52 @@ class OSG_EXPORT ArrayDispatchers : public osg::Referenced
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void setUseGLBeginEndAdapter(bool flag) { _useGLBeginEndAdapter = flag; }
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bool getUseGLBeginEndAdapter() const { return _useGLBeginEndAdapter; }
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void activate(unsigned int binding, AttributeDispatch* at);
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void activate(unsigned int binding, AttributeDispatch* at)
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{
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if (at) _activeDispatchList[binding].push_back(at);
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}
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void activateVertexArray(unsigned int binding, osg::Array* array, osg::IndexArray* indices) { activate(binding, vertexDispatcher(array, indices)); }
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void activateColorArray(unsigned int binding, osg::Array* array, osg::IndexArray* indices) { activate(binding, colorDispatcher(array, indices)); }
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void activateNormalArray(unsigned int binding, osg::Array* array, osg::IndexArray* indices) { activate(binding, normalDispatcher(array, indices)); }
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void activateSecondaryColorArray(unsigned int binding, osg::Array* array, osg::IndexArray* indices) { activate(binding, secondaryColorDispatcher(array, indices)); }
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void activateFogCoordArray(unsigned int binding, osg::Array* array, osg::IndexArray* indices) { activate(binding, fogCoordDispatcher(array, indices)); }
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void activateTexCoordArray(unsigned int binding, unsigned int unit, osg::Array* array, osg::IndexArray* indices) { activate(binding, texCoordDispatcher(unit, array, indices)); }
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void activateVertexAttribArray(unsigned int binding, unsigned int unit, osg::Array* array, osg::IndexArray* indices) { activate(binding, vertexAttribDispatcher(unit, array, indices)); }
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void activateVertexArray(unsigned int binding, osg::Array* array, osg::IndexArray* indices) { if (binding && array) activate(binding, vertexDispatcher(array, indices)); }
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void activateColorArray(unsigned int binding, osg::Array* array, osg::IndexArray* indices) { if (binding && array) activate(binding, colorDispatcher(array, indices)); }
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void activateNormalArray(unsigned int binding, osg::Array* array, osg::IndexArray* indices) { if (binding && array) activate(binding, normalDispatcher(array, indices)); }
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void activateSecondaryColorArray(unsigned int binding, osg::Array* array, osg::IndexArray* indices) { if (binding && array) activate(binding, secondaryColorDispatcher(array, indices)); }
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void activateFogCoordArray(unsigned int binding, osg::Array* array, osg::IndexArray* indices) { if (binding && array) activate(binding, fogCoordDispatcher(array, indices)); }
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void activateTexCoordArray(unsigned int binding, unsigned int unit, osg::Array* array, osg::IndexArray* indices) { if (binding && array) activate(binding, texCoordDispatcher(unit, array, indices)); }
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void activateVertexAttribArray(unsigned int binding, unsigned int unit, osg::Array* array, osg::IndexArray* indices) { if (binding && array) activate(binding, vertexAttribDispatcher(unit, array, indices)); }
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void dispatch(unsigned int binding);
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void dispatch(unsigned int binding, unsigned int index);
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void dispatch(unsigned int binding, unsigned int index)
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{
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AttributeDispatchList& ad = _activeDispatchList[binding];
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for(AttributeDispatchList::iterator itr = ad.begin();
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itr != ad.end();
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++itr)
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{
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(*(*itr))(index);
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}
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}
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void Begin(GLenum mode);
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void End();
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bool active(unsigned int binding) const { return !_activeDispatchList[binding].empty(); }
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void Begin(GLenum mode)
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{
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if (_useGLBeginEndAdapter) _glBeginEndAdapter->Begin(mode);
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else ::glBegin(mode);
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}
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void End()
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{
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if (_useGLBeginEndAdapter) _glBeginEndAdapter->End();
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else ::glEnd();
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}
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protected:
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void init();
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void assignTexCoordDispatchers(unsigned int unit);
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void assignVertexAttribDispatchers(unsigned int unit);
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bool _initialized;
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State* _state;
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GLBeginEndAdapter* _glBeginEndAdapter;
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@ -88,19 +115,12 @@ class OSG_EXPORT ArrayDispatchers : public osg::Referenced
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typedef std::vector<AttributeDispatch*> AttributeDispatchList;
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struct BindingGroup
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{
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unsigned int _index;
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AttributeDispatchList _attributeDispatchList;
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};
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typedef std::vector<BindingGroup> BindingGroupList;
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BindingGroupList _bindingGroupList;
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typedef std::vector<AttributeDispatchList> ActiveDispatchList;
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ActiveDispatchList _activeDispatchList;
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bool _useGLBeginEndAdapter;
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};
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}
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#endif
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@ -73,6 +73,7 @@ class Vec4f;
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class Vec4ub;
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class Geometry;
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class NodeVisitor;
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class ArrayDispatchers;
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// this is defined to alter the way display lists are compiled inside the
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// the draw method, it has been found that the NVidia drivers fail completely
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@ -666,7 +667,9 @@ class OSG_EXPORT Drawable : public Object
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void glGetQueryObjectuiv(GLuint id, GLenum pname, GLuint *params) const;
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void glGetQueryObjectui64v(GLuint id, GLenum pname, GLuint64EXT *params) const;
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public:
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protected:
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friend class ArrayDispatchers;
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typedef void (APIENTRY * FogCoordProc) (const GLfloat* coord);
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@ -26,6 +26,7 @@
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#include <osg/Polytope>
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#include <osg/Viewport>
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#include <osg/GLBeginEndAdapter>
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#include <osg/ArrayDispatchers>
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#include <vector>
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#include <map>
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@ -1246,6 +1247,8 @@ class OSG_EXPORT State : public Referenced, public Observer
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/** get the GL adapter object used to map OpenGL 1.0 glBegin/glEnd usage to vertex arrays.*/
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inline GLBeginEndAdapter& getGLBeginEndAdapter() { return _glBeginEndAdapter; }
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/** get the helper class for dispatching osg::Arrays as OpenGL attribute data.*/
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inline ArrayDispatchers& getArrayDispatchers() { return _arrayDispatchers; }
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protected:
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@ -1558,6 +1561,7 @@ class OSG_EXPORT State : public Referenced, public Observer
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osg::ref_ptr<DynamicObjectRenderingCompletedCallback> _completeDynamicObjectRenderingCallback;
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GLBeginEndAdapter _glBeginEndAdapter;
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ArrayDispatchers _arrayDispatchers;
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};
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@ -345,15 +345,62 @@ public:
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AttributeDispatchList _glBeginEndAttributeDispatchWithIndicesList;
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};
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ArrayDispatchers::ArrayDispatchers(osg::State& state):
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_state(&state),
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_vertexDispatchers(new AttributeDispatchMap(&(_state->getGLBeginEndAdapter()))),
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_normalDispatchers(new AttributeDispatchMap(&(_state->getGLBeginEndAdapter()))),
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_colorDispatchers(new AttributeDispatchMap(&(_state->getGLBeginEndAdapter()))),
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_secondaryColorDispatchers(new AttributeDispatchMap(&(_state->getGLBeginEndAdapter()))),
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_fogCoordDispatchers(new AttributeDispatchMap(&(_state->getGLBeginEndAdapter())))
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ArrayDispatchers::ArrayDispatchers():
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_initialized(false),
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_state(0),
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_glBeginEndAdapter(0),
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_vertexDispatchers(0),
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_normalDispatchers(0),
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_colorDispatchers(0),
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_secondaryColorDispatchers(0),
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_fogCoordDispatchers(0),
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_useGLBeginEndAdapter(false)
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{
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Drawable::Extensions* extensions = Drawable::getExtensions(state.getContextID(),true);
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}
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ArrayDispatchers::~ArrayDispatchers()
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{
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delete _vertexDispatchers;
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delete _normalDispatchers;
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delete _colorDispatchers;
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delete _secondaryColorDispatchers;
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delete _fogCoordDispatchers;
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for(AttributeDispatchMapList::iterator itr = _texCoordDispatchers.begin();
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itr != _texCoordDispatchers.end();
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++itr)
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{
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delete *itr;
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}
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for(AttributeDispatchMapList::iterator itr = _vertexAttribDispatchers.begin();
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itr != _vertexAttribDispatchers.end();
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++itr)
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{
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delete *itr;
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}
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}
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void ArrayDispatchers::setState(osg::State* state)
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{
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_state = state;
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_glBeginEndAdapter = &(state->getGLBeginEndAdapter());
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}
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void ArrayDispatchers::init()
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{
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if (_initialized) return;
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_initialized = true;
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_vertexDispatchers = new AttributeDispatchMap(&(_state->getGLBeginEndAdapter()));
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_normalDispatchers = new AttributeDispatchMap(&(_state->getGLBeginEndAdapter()));
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_colorDispatchers = new AttributeDispatchMap(&(_state->getGLBeginEndAdapter()));
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_secondaryColorDispatchers = new AttributeDispatchMap(&(_state->getGLBeginEndAdapter()));
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_fogCoordDispatchers = new AttributeDispatchMap(&(_state->getGLBeginEndAdapter()));
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Drawable::Extensions* extensions = Drawable::getExtensions(_state->getContextID(),true);
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_glBeginEndAdapter = &(_state->getGLBeginEndAdapter());
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_useGLBeginEndAdapter = false;
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@ -378,10 +425,9 @@ ArrayDispatchers::ArrayDispatchers(osg::State& state):
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_secondaryColorDispatchers->assign<GLfloat>(Array::Vec3ArrayType, extensions->_glSecondaryColor3fv, 3);
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_fogCoordDispatchers->assign<GLfloat>(Array::FloatArrayType, extensions->_glFogCoordfv, 1);
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}
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ArrayDispatchers::~ArrayDispatchers()
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{
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// pre allocate.
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_activeDispatchList.resize(5);
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}
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AttributeDispatch* ArrayDispatchers::vertexDispatcher(Array* array, IndexArray* indices) { return _vertexDispatchers->dispatcher(_useGLBeginEndAdapter, array, indices); }
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@ -452,70 +498,16 @@ void ArrayDispatchers::assignVertexAttribDispatchers(unsigned int unit)
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void ArrayDispatchers::reset()
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{
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if (!_initialized) init();
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_useGLBeginEndAdapter = false;
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for(BindingGroupList::iterator itr = _bindingGroupList.begin();
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itr != _bindingGroupList.end();
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for(ActiveDispatchList::iterator itr = _activeDispatchList.begin();
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itr != _activeDispatchList.end();
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++itr)
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{
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itr->_index = 0;
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itr->_attributeDispatchList.clear();
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(*itr).clear();
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}
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}
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void ArrayDispatchers::activate(unsigned int binding, AttributeDispatch* at)
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{
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if (!at) return;
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if (binding>=_bindingGroupList.size()) _bindingGroupList.resize(binding+1);
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BindingGroup& bindingGroup = _bindingGroupList[binding];
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bindingGroup._attributeDispatchList.push_back(at);
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}
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void ArrayDispatchers::dispatch(unsigned int binding, unsigned int index)
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{
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if (binding>=_bindingGroupList.size()) return;
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BindingGroup& bg = _bindingGroupList[binding];
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for(AttributeDispatchList::iterator itr = bg._attributeDispatchList.begin();
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itr != bg._attributeDispatchList.end();
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++itr)
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{
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AttributeDispatch* at = *itr;
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(*at)(index);
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}
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}
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void ArrayDispatchers::dispatch(unsigned int binding)
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{
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if (binding>=_bindingGroupList.size()) return;
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BindingGroup& bg = _bindingGroupList[binding];
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unsigned int index = bg._index;
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for(AttributeDispatchList::iterator itr = bg._attributeDispatchList.begin();
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itr != bg._attributeDispatchList.end();
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++itr)
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{
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AttributeDispatch* at = *itr;
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(*at)(index);
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}
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// advance the index so that it's ready for the next dispatch
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++(bg._index);
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}
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void ArrayDispatchers::Begin(GLenum mode)
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{
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if (_useGLBeginEndAdapter) _glBeginEndAdapter->Begin(mode);
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else ::glBegin(mode);
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}
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void ArrayDispatchers::End()
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{
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if (_useGLBeginEndAdapter) _glBeginEndAdapter->End();
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else ::glEnd();
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}
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}
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@ -20,6 +20,9 @@ using namespace osg;
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const Geometry::ArrayData Geometry::s_InvalidArrayData;
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// #define USE_OLD_DRAW_IMPLEMENTATOIN
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#ifdef USE_OLD_DRAW_IMPLEMENTATOIN
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class DrawVertex
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{
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public:
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@ -394,6 +397,8 @@ class DrawFogCoord : public osg::ConstValueVisitor
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const Drawable::Extensions * _extensions;
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};
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#endif
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Geometry::ArrayData::ArrayData(const ArrayData& data,const CopyOp& copyop):
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array(copyop(data.array.get())),
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@ -414,7 +419,7 @@ Geometry::Vec3ArrayData::Vec3ArrayData(const Vec3ArrayData& data,const CopyOp& c
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Geometry::Geometry()
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{
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// temporary test
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// setSupportsDisplayList(false);
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setSupportsDisplayList(false);
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_fastPath = false;
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_fastPathHint = true;
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@ -431,7 +436,7 @@ Geometry::Geometry(const Geometry& geometry,const CopyOp& copyop):
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_fastPathHint(geometry._fastPathHint)
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{
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// temporary test
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// setSupportsDisplayList(false);
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setSupportsDisplayList(false);
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for(PrimitiveSetList::const_iterator pitr=geometry._primitives.begin();
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pitr!=geometry._primitives.end();
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@ -1279,7 +1284,7 @@ void Geometry::releaseGLObjects(State* state) const
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}
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#if 1
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#ifndef USE_OLD_DRAW_IMPLEMENTATOIN
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void Geometry::drawImplementation(RenderInfo& renderInfo) const
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{
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State& state = *renderInfo.getState();
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@ -1290,34 +1295,26 @@ void Geometry::drawImplementation(RenderInfo& renderInfo) const
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bool usingVertexBufferObjects = _useVertexBufferObjects && state.isVertexBufferObjectSupported();
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bool handleVertexAttributes = !_vertexAttribList.empty() && extensions->isVertexProgramSupported();
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osg::ref_ptr<ArrayDispatchers> s_ArrayDispatchers = 0;
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if (!s_ArrayDispatchers) s_ArrayDispatchers = new ArrayDispatchers(state);
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ArrayDispatchers& arrayDispatchers = *s_ArrayDispatchers;
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ArrayDispatchers& arrayDispatchers = state.getArrayDispatchers();
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arrayDispatchers.reset();
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arrayDispatchers.setUseGLBeginEndAdapter(!useFastPath);
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// arrayDispatchers.setUseGLBeginEndAdapter(!useFastPath);
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arrayDispatchers.activateNormalArray(_normalData.binding, _normalData.array.get(), _normalData.indices.get());
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arrayDispatchers.activateColorArray(_colorData.binding, _colorData.array.get(), _colorData.indices.get());
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arrayDispatchers.activateSecondaryColorArray(_secondaryColorData.binding, _secondaryColorData.array.get(), _secondaryColorData.indices.get());
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arrayDispatchers.activateFogCoordArray(_fogCoordData.binding, _fogCoordData.array.get(), _fogCoordData.indices.get());
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for(unsigned int unit=0;unit<_texCoordList.size();++unit)
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if (handleVertexAttributes)
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{
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arrayDispatchers.activateTexCoordArray(BIND_PER_VERTEX, unit, _texCoordList[unit].array.get(), _texCoordList[unit].indices.get());
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}
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for(unsigned int unit=0;unit<_vertexAttribList.size();++unit)
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{
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arrayDispatchers.activateVertexAttribArray(_vertexAttribList[unit].binding, unit, _vertexAttribList[unit].array.get(), _vertexAttribList[unit].indices.get());
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}
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arrayDispatchers.activateVertexArray(BIND_PER_VERTEX, _vertexData.array.get(), _vertexData.indices.get());
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}
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// dispatch any attributes that are bound overall
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arrayDispatchers.dispatch(BIND_OVERALL);
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arrayDispatchers.dispatch(BIND_OVERALL,0);
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state.lazyDisablingOfVertexAttributes();
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@ -1358,21 +1355,34 @@ void Geometry::drawImplementation(RenderInfo& renderInfo) const
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}
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}
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}
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else
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{
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for(unsigned int unit=0;unit<_texCoordList.size();++unit)
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{
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arrayDispatchers.activateTexCoordArray(BIND_PER_VERTEX, unit, _texCoordList[unit].array.get(), _texCoordList[unit].indices.get());
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}
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arrayDispatchers.activateVertexArray(BIND_PER_VERTEX, _vertexData.array.get(), _vertexData.indices.get());
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}
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state.applyDisablingOfVertexAttributes();
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bool bindPerPrimtiveSetActive = arrayDispatchers.active(BIND_PER_PRIMITIVE_SET);
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bool bindPerPrimtiveActive = arrayDispatchers.active(BIND_PER_PRIMITIVE);
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unsigned int primitiveNum = 0;
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///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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//
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// draw the primitives themselves.
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//
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for(PrimitiveSetList::const_iterator itr=_primitives.begin();
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itr!=_primitives.end();
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++itr)
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for(unsigned int primitiveSetNum=0; primitiveSetNum!=_primitives.size(); ++primitiveSetNum)
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{
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// dispatch any attributes that are bound per primitive
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arrayDispatchers.dispatch(BIND_PER_PRIMITIVE_SET);
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const PrimitiveSet* primitiveset = itr->get();
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// dispatch any attributes that are bound per primitive
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if (bindPerPrimtiveSetActive) arrayDispatchers.dispatch(BIND_PER_PRIMITIVE_SET, primitiveSetNum);
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const PrimitiveSet* primitiveset = _primitives[primitiveSetNum].get();
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if (useFastPath)
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{
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@ -1409,9 +1419,9 @@ void Geometry::drawImplementation(RenderInfo& renderInfo) const
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vindex<indexEnd;
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++vindex,++primCount)
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{
|
||||
if ((primCount%primLength)==0)
|
||||
if (bindPerPrimtiveActive && (primCount%primLength)==0)
|
||||
{
|
||||
arrayDispatchers.dispatch(BIND_PER_PRIMITIVE);
|
||||
arrayDispatchers.dispatch(BIND_PER_PRIMITIVE,++primitiveNum);
|
||||
}
|
||||
|
||||
arrayDispatchers.dispatch(BIND_PER_VERTEX, vindex);
|
||||
@ -1438,9 +1448,9 @@ void Geometry::drawImplementation(RenderInfo& renderInfo) const
|
||||
primCount<*primItr;
|
||||
++vindex,++primCount)
|
||||
{
|
||||
if ((primCount%localPrimLength)==0)
|
||||
if (bindPerPrimtiveActive && (primCount%localPrimLength)==0)
|
||||
{
|
||||
arrayDispatchers.dispatch(BIND_PER_PRIMITIVE);
|
||||
arrayDispatchers.dispatch(BIND_PER_PRIMITIVE, ++primitiveNum);
|
||||
}
|
||||
arrayDispatchers.dispatch(BIND_PER_VERTEX, vindex);
|
||||
}
|
||||
@ -1463,9 +1473,9 @@ void Geometry::drawImplementation(RenderInfo& renderInfo) const
|
||||
++primCount,++primItr)
|
||||
{
|
||||
|
||||
if ((primCount%primLength)==0)
|
||||
if (bindPerPrimtiveActive && (primCount%primLength)==0)
|
||||
{
|
||||
arrayDispatchers.dispatch(BIND_PER_PRIMITIVE);
|
||||
arrayDispatchers.dispatch(BIND_PER_PRIMITIVE, ++primitiveNum);
|
||||
}
|
||||
|
||||
unsigned int vindex=*primItr;
|
||||
@ -1487,9 +1497,9 @@ void Geometry::drawImplementation(RenderInfo& renderInfo) const
|
||||
primItr!=drawElements->end();
|
||||
++primCount,++primItr)
|
||||
{
|
||||
if ((primCount%primLength)==0)
|
||||
if (bindPerPrimtiveActive && (primCount%primLength)==0)
|
||||
{
|
||||
arrayDispatchers.dispatch(BIND_PER_PRIMITIVE);
|
||||
arrayDispatchers.dispatch(BIND_PER_PRIMITIVE, ++primitiveNum);
|
||||
}
|
||||
|
||||
unsigned int vindex=*primItr;
|
||||
@ -1511,9 +1521,9 @@ void Geometry::drawImplementation(RenderInfo& renderInfo) const
|
||||
primItr!=drawElements->end();
|
||||
++primCount,++primItr)
|
||||
{
|
||||
if ((primCount%primLength)==0)
|
||||
if (bindPerPrimtiveActive && (primCount%primLength)==0)
|
||||
{
|
||||
arrayDispatchers.dispatch(BIND_PER_PRIMITIVE);
|
||||
arrayDispatchers.dispatch(BIND_PER_PRIMITIVE, ++primitiveNum);
|
||||
}
|
||||
|
||||
unsigned int vindex=*primItr;
|
||||
@ -1643,7 +1653,7 @@ void Geometry::drawImplementation(RenderInfo& renderInfo) const
|
||||
}
|
||||
|
||||
// force the use of the slow path code to test the glBegin/glEnd replacement codes.
|
||||
bool forceSlowPath = false;
|
||||
bool forceSlowPath = true;
|
||||
|
||||
if (areFastPathsUsed() && !forceSlowPath)
|
||||
{
|
||||
|
||||
@ -120,6 +120,7 @@ State::State():
|
||||
_maxBufferObjectPoolSize = 0;
|
||||
|
||||
_glBeginEndAdapter.setState(this);
|
||||
_arrayDispatchers.setState(this);
|
||||
}
|
||||
|
||||
State::~State()
|
||||
|
||||
Loading…
Reference in New Issue
Block a user