FGFS-4.1/OpenSceneGraph
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Refactored osgText::Tex3D to use a single vertex and normal arrays and a combined set of primitive sets. Deprecated Text3D::RenderMode as it's no longer used.

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This commit is contained in:
Robert Osfield
2017-03-02 16:11:10 +00:00
parent 4721651dbe
commit a69216a79d
2 changed files with 38 additions and 241 deletions
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258
src/osgText/Text3D.cpp
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@@ -245,7 +245,7 @@ String::iterator Text3D::computeLastCharacterOnLine(osg::Vec2& cursor, String::i
return lastChar;
}
inline void copyAndOffsetPrimitiveSets(osg::Geometry::PrimitiveSetList& dest_PrimitiveSetList, osg::Geometry::PrimitiveSetList& src_PrimitiveSetList, unsigned int offset)
void Text3D::copyAndOffsetPrimitiveSets(osg::Geometry::PrimitiveSetList& dest_PrimitiveSetList, osg::Geometry::PrimitiveSetList& src_PrimitiveSetList, unsigned int offset)
{
for(osg::Geometry::PrimitiveSetList::const_iterator pitr = src_PrimitiveSetList.begin();
@@ -422,8 +422,6 @@ void Text3D::computeGlyphRepresentation()
computePositions();
#ifdef NEW_APPROACH
if (!_coords) _coords = new osg::Vec3Array;
if (!_normals) _normals = new osg::Vec3Array;
@@ -462,12 +460,6 @@ void Text3D::computeGlyphRepresentation()
}
}
OSG_NOTICE<<"_coords.size()=="<<_coords->size()<<std::endl;
OSG_NOTICE<<"_frontPrimitiveSetList.size()=="<<_frontPrimitiveSetList.size()<<std::endl;
OSG_NOTICE<<"_wallPrimitiveSetList.size()=="<<_wallPrimitiveSetList.size()<<std::endl;
OSG_NOTICE<<"_backPrimitiveSetList.size()=="<<_backPrimitiveSetList.size()<<std::endl;
#endif
// set up the vertices for any boundinbox or alignment decoration
setupDecoration();
@@ -548,11 +540,37 @@ void Text3D::drawImplementation(osg::RenderInfo& renderInfo) const
renderInfo.getState()->applyMode(GL_NORMALIZE, true);
#endif
switch(_renderMode)
const osg::StateSet* frontStateSet = getStateSet();
const osg::StateSet* wallStateSet = getWallStateSet();
const osg::StateSet* backStateSet = getBackStateSet();
if (wallStateSet==0) wallStateSet = frontStateSet;
if (backStateSet==0) backStateSet = frontStateSet;
state.lazyDisablingOfVertexAttributes();
state.setVertexPointer(_coords.get());
state.setNormalPointer(_normals.get());
state.applyDisablingOfVertexAttributes();
for(osg::Geometry::PrimitiveSetList::const_iterator itr=_frontPrimitiveSetList.begin(), end = _frontPrimitiveSetList.end(); itr!=end; ++itr)
{
case PER_FACE: renderPerFace(*renderInfo.getState()); break;
case PER_GLYPH:
default: renderPerGlyph(*renderInfo.getState()); break;
(*itr)->draw(state, false);
}
if (wallStateSet!=frontStateSet) state.apply(wallStateSet);
for(osg::Geometry::PrimitiveSetList::const_iterator itr=_wallPrimitiveSetList.begin(), end = _wallPrimitiveSetList.end(); itr!=end; ++itr)
{
(*itr)->draw(state, false);
}
if (backStateSet!=wallStateSet) state.apply(backStateSet);
for(osg::Geometry::PrimitiveSetList::const_iterator itr=_backPrimitiveSetList.begin(), end = _backPrimitiveSetList.end(); itr!=end; ++itr)
{
(*itr)->draw(state, false);
}
}
@@ -563,220 +581,6 @@ void Text3D::drawImplementation(osg::RenderInfo& renderInfo) const
}
}
void Text3D::renderPerGlyph(osg::State & state) const
{
osg::Matrix original_modelview = state.getModelViewMatrix();
const osg::StateSet* frontStateSet = getStateSet();
const osg::StateSet* wallStateSet = getWallStateSet();
const osg::StateSet* backStateSet = getBackStateSet();
if (wallStateSet==0) wallStateSet = frontStateSet;
if (backStateSet==0) backStateSet = frontStateSet;
state.Color(_color.r(),_color.g(),_color.b(),_color.a());
#ifdef NEW_APPROACH
// OSG_NOTICE<<"Text3D::renderPerGlyph"<<std::endl;
state.lazyDisablingOfVertexAttributes();
state.setVertexPointer(_coords.get());
state.setNormalPointer(_normals.get());
state.applyDisablingOfVertexAttributes();
for(osg::Geometry::PrimitiveSetList::const_iterator itr=_frontPrimitiveSetList.begin(), end = _frontPrimitiveSetList.end(); itr!=end; ++itr)
{
(*itr)->draw(state, false);
}
if (wallStateSet!=frontStateSet) state.apply(wallStateSet);
for(osg::Geometry::PrimitiveSetList::const_iterator itr=_wallPrimitiveSetList.begin(), end = _wallPrimitiveSetList.end(); itr!=end; ++itr)
{
(*itr)->draw(state, false);
}
if (backStateSet!=wallStateSet) state.apply(backStateSet);
for(osg::Geometry::PrimitiveSetList::const_iterator itr=_backPrimitiveSetList.begin(), end = _backPrimitiveSetList.end(); itr!=end; ++itr)
{
(*itr)->draw(state, false);
}
#else
// ** for each line, do ...
TextRenderInfo::const_iterator itLine, endText = _textRenderInfo.end();
for (itLine = _textRenderInfo.begin(); itLine!=endText; ++itLine)
{
// ** for each glyph in the line, do ...
LineRenderInfo::const_iterator it, endLine = itLine->end();
for (it = itLine->begin(); it!=endLine; ++it)
{
osg::Matrix matrix(original_modelview);
matrix.preMultTranslate(osg::Vec3d(it->_position.x(), it->_position.y(), it->_position.z()));
state.applyModelViewMatrix(matrix);
state.lazyDisablingOfVertexAttributes();
// ** apply the vertex array
state.setVertexPointer(it->_glyphGeometry->getVertexArray());
state.setNormalPointer(it->_glyphGeometry->getNormalArray());
state.applyDisablingOfVertexAttributes();
if (frontStateSet!=backStateSet) state.apply(frontStateSet);
osg::Geometry::PrimitiveSetList & pslFront = it->_glyphGeometry->getFrontPrimitiveSetList();
for(osg::Geometry::PrimitiveSetList::const_iterator itr=pslFront.begin(), end = pslFront.end(); itr!=end; ++itr)
{
(*itr)->draw(state, false);
}
if (wallStateSet!=frontStateSet) state.apply(wallStateSet);
// ** render the wall face of the glyph
osg::Geometry::PrimitiveSetList & pslWall = it->_glyphGeometry->getWallPrimitiveSetList();
for(osg::Geometry::PrimitiveSetList::const_iterator itr=pslWall.begin(), end=pslWall.end(); itr!=end; ++itr)
{
(*itr)->draw(state, false);
}
if (backStateSet!=wallStateSet) state.apply(backStateSet);
osg::Geometry::PrimitiveSetList & pslBack = it->_glyphGeometry->getBackPrimitiveSetList();
for(osg::Geometry::PrimitiveSetList::const_iterator itr=pslBack.begin(), end=pslBack.end(); itr!=end; ++itr)
{
(*itr)->draw(state, false);
}
}
}
#endif
}
void Text3D::renderPerFace(osg::State & state) const
{
osg::Matrix original_modelview = state.getModelViewMatrix();
const osg::StateSet* frontStateSet = getStateSet();
const osg::StateSet* wallStateSet = getWallStateSet();
const osg::StateSet* backStateSet = getBackStateSet();
if (wallStateSet==0) wallStateSet = frontStateSet;
if (backStateSet==0) backStateSet = frontStateSet;
#ifdef NEW_APPROACH
// OSG_NOTICE<<"Text3D::renderPerFace"<<std::endl;
state.lazyDisablingOfVertexAttributes();
state.setVertexPointer(_coords.get());
state.setNormalPointer(_normals.get());
state.applyDisablingOfVertexAttributes();
for(osg::Geometry::PrimitiveSetList::const_iterator itr=_frontPrimitiveSetList.begin(), end = _frontPrimitiveSetList.end(); itr!=end; ++itr)
{
(*itr)->draw(state, false);
}
if (wallStateSet!=frontStateSet) state.apply(wallStateSet);
for(osg::Geometry::PrimitiveSetList::const_iterator itr=_wallPrimitiveSetList.begin(), end = _wallPrimitiveSetList.end(); itr!=end; ++itr)
{
(*itr)->draw(state, false);
}
if (backStateSet!=wallStateSet) state.apply(backStateSet);
for(osg::Geometry::PrimitiveSetList::const_iterator itr=_backPrimitiveSetList.begin(), end = _backPrimitiveSetList.end(); itr!=end; ++itr)
{
(*itr)->draw(state, false);
}
#else
TextRenderInfo::const_iterator itLine, endText = _textRenderInfo.end();
for (itLine = _textRenderInfo.begin(); itLine!=endText; ++itLine)
{
// ** for each glyph in the line, do ...
LineRenderInfo::const_iterator it, endLine = itLine->end();
for (it = itLine->begin(); it!=endLine; ++it)
{
state.setVertexPointer(it->_glyphGeometry->getVertexArray());
state.setNormalPointer(it->_glyphGeometry->getNormalArray());
osg::Matrix matrix(original_modelview);
matrix.preMultTranslate(osg::Vec3d(it->_position.x(), it->_position.y(), it->_position.z()));
state.applyModelViewMatrix(matrix);
// ** render the front face of the glyph
osg::Geometry::PrimitiveSetList & psl = it->_glyphGeometry->getFrontPrimitiveSetList();
for(osg::Geometry::PrimitiveSetList::const_iterator itr=psl.begin(), end=psl.end(); itr!=end; ++itr)
{
(*itr)->draw(state, false);
}
}
}
if (wallStateSet!=frontStateSet) state.apply(wallStateSet);
// ** render all wall face of the text
for (itLine = _textRenderInfo.begin(); itLine!=endText; ++itLine)
{
// ** for each glyph in the line, do ...
LineRenderInfo::const_iterator it, endLine = itLine->end();
for (it = itLine->begin(); it!=endLine; ++it)
{
state.setVertexPointer(it->_glyphGeometry->getVertexArray());
state.setNormalPointer(it->_glyphGeometry->getNormalArray());
osg::Matrix matrix(original_modelview);
matrix.preMultTranslate(osg::Vec3d(it->_position.x(), it->_position.y(), it->_position.z()));
state.applyModelViewMatrix(matrix);
const osg::Geometry::PrimitiveSetList & psl = it->_glyphGeometry->getWallPrimitiveSetList();
for(osg::Geometry::PrimitiveSetList::const_iterator itr=psl.begin(), end=psl.end(); itr!=end; ++itr)
{
(*itr)->draw(state, false);
}
}
}
if (backStateSet!=wallStateSet) state.apply(backStateSet);
for (itLine = _textRenderInfo.begin(); itLine!=endText; ++itLine)
{
// ** for each glyph in the line, do ...
LineRenderInfo::const_iterator it, endLine = itLine->end();
for (it = itLine->begin(); it!=endLine; ++it)
{
state.setVertexPointer(it->_glyphGeometry->getVertexArray());
state.setNormalPointer(it->_glyphGeometry->getNormalArray());
osg::Matrix matrix(original_modelview);
matrix.preMultTranslate(osg::Vec3d(it->_position.x(), it->_position.y(), it->_position.z()));
state.applyModelViewMatrix(matrix);
// ** render the back face of the glyph
const osg::Geometry::PrimitiveSetList & psl = it->_glyphGeometry->getBackPrimitiveSetList();
for(osg::Geometry::PrimitiveSetList::const_iterator itr=psl.begin(), end=psl.end(); itr!=end; ++itr)
{
(*itr)->draw(state, false);
}
}
}
#endif
}
void Text3D::setThreadSafeRefUnref(bool threadSafe)
{
TextBase::setThreadSafeRefUnref(threadSafe);