FGFS-4.1/OpenSceneGraph
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Replaced hardwired glDrawArrays calls with use of osg::DrawElementsUshort.

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This commit is contained in:
Robert Osfield
2017-03-01 11:51:27 +00:00
parent 256441906f
commit f4966a96d4
5 changed files with 150 additions and 114 deletions
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91
src/osgText/Text.cpp
View File

@@ -1094,68 +1094,65 @@ void Text::drawImplementation(osg::State& state, const osg::Vec4& colorMultiplie
if ((_drawMode&(~TEXT))!=0)
{
state.disableNormalPointer();
state.Color(colorMultiplier.r()*_textBBColor.r(),colorMultiplier.g()*_textBBColor.g(),colorMultiplier.b()*_textBBColor.b(),colorMultiplier.a()*_textBBColor.a());
if (_decorationVertices.valid() && !_decorationVertices->empty())
{
state.disableNormalPointer();
osg::State::ApplyModeProxy applyMode(state, GL_LIGHTING, false);
osg::State::ApplyTextureModeProxy applyTextureMode(state, 0, GL_TEXTURE_2D, false);
state.disableAllVertexArrays();
state.setVertexPointer(_decorationVertices.get());
unsigned int start_index = 0;
if ((_drawMode & FILLEDBOUNDINGBOX)!=0 && _textBB.valid())
#if !defined(OSG_GLES1_AVAILABLE) && !defined(OSG_GLES2_AVAILABLE) && !defined(OSG_GL3_AVAILABLE)
switch(_backdropImplementation)
{
#if !defined(OSG_GLES1_AVAILABLE) && !defined(OSG_GLES2_AVAILABLE) && !defined(OSG_GL3_AVAILABLE)
switch(_backdropImplementation)
{
case NO_DEPTH_BUFFER:
// Do nothing. The bounding box will be rendered before the text and that's all that matters.
break;
case DEPTH_RANGE:
glPushAttrib(GL_DEPTH_BUFFER_BIT);
//unsigned int backdrop_index = 0;
//unsigned int max_backdrop_index = 8;
//const double offset = double(max_backdrop_index - backdrop_index) * 0.003;
glDepthRange(0.001, 1.001);
break;
/*case STENCIL_BUFFER:
break;*/
default:
glPushAttrib(GL_POLYGON_OFFSET_FILL);
glEnable(GL_POLYGON_OFFSET_FILL);
glPolygonOffset(0.1f * osg::PolygonOffset::getFactorMultiplier(), 10.0f * osg::PolygonOffset::getUnitsMultiplier() );
}
case NO_DEPTH_BUFFER:
// Do nothing. The bounding box will be rendered before the text and that's all that matters.
break;
case DEPTH_RANGE:
glPushAttrib(GL_DEPTH_BUFFER_BIT);
//unsigned int backdrop_index = 0;
//unsigned int max_backdrop_index = 8;
//const double offset = double(max_backdrop_index - backdrop_index) * 0.003;
glDepthRange(0.001, 1.001);
break;
/*case STENCIL_BUFFER:
break;*/
default:
glPushAttrib(GL_POLYGON_OFFSET_FILL);
glEnable(GL_POLYGON_OFFSET_FILL);
glPolygonOffset(0.1f * osg::PolygonOffset::getFactorMultiplier(), 10.0f * osg::PolygonOffset::getUnitsMultiplier() );
}
#endif
glDrawArrays(GL_QUADS, 0, 4);
start_index += 4;
for(Primitives::const_iterator itr = _decorationPrimitives.begin();
itr != _decorationPrimitives.end();
++itr)
{
if ((*itr)->getMode()==GL_TRIANGLES) state.Color(colorMultiplier.r()*_textBBColor.r(), colorMultiplier.g()*_textBBColor.g(), colorMultiplier.b()*_textBBColor.b(), colorMultiplier.a()*_textBBColor.a());
else state.Color(colorMultiplier.r(), colorMultiplier.g(), colorMultiplier.b(), colorMultiplier.a());
switch(_backdropImplementation)
{
case NO_DEPTH_BUFFER:
// Do nothing.
break;
case DEPTH_RANGE:
glDepthRange(0.0, 1.0);
glPopAttrib();
break;
/*case STENCIL_BUFFER:
break;*/
default:
glDisable(GL_POLYGON_OFFSET_FILL);
glPopAttrib();
}
#endif
(*itr)->draw(state, _useVertexBufferObjects);
}
if (start_index<_decorationVertices->size())
#if !defined(OSG_GLES1_AVAILABLE) && !defined(OSG_GLES2_AVAILABLE) && !defined(OSG_GL3_AVAILABLE)
switch(_backdropImplementation)
{
state.Color(colorMultiplier.r(),colorMultiplier.g(),colorMultiplier.b(),colorMultiplier.a());
glDrawArrays(GL_LINES, start_index, _decorationVertices->size());
case NO_DEPTH_BUFFER:
// Do nothing.
break;
case DEPTH_RANGE:
glDepthRange(0.0, 1.0);
glPopAttrib();
break;
/*case STENCIL_BUFFER:
break;*/
default:
glDisable(GL_POLYGON_OFFSET_FILL);
glPopAttrib();
}
#endif
}
}

33
src/osgText/Text3D.cpp
View File

@@ -468,18 +468,11 @@ void Text3D::drawImplementation(osg::RenderInfo& renderInfo) const
state.setVertexPointer(_decorationVertices.get());
unsigned int start_index = 0;
if ((_drawMode & FILLEDBOUNDINGBOX)!=0 && _textBB.valid())
for(Primitives::const_iterator itr = _decorationPrimitives.begin();
itr != _decorationPrimitives.end();
++itr)
{
state.Color(_textBBColor.r(),_textBBColor.g(),_textBBColor.b(),_textBBColor.a());
glDrawArrays(GL_QUADS, 0, 4);
start_index += 4;
}
if (start_index<_decorationVertices->size())
{
state.Color(_color.r(),_color.g(),_color.b(),_color.a());
glDrawArrays(GL_LINES, start_index, _decorationVertices->size());
(*itr)->draw(state, _useVertexBufferObjects);
}
}
}
@@ -602,13 +595,13 @@ void Text3D::renderPerFace(osg::State & state) const
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);
state.setVertexPointer(it->_glyphGeometry->getVertexArray());
state.setNormalPointer(it->_glyphGeometry->getNormalArray());
// ** 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)
@@ -627,13 +620,13 @@ void Text3D::renderPerFace(osg::State & state) const
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);
state.setVertexPointer(it->_glyphGeometry->getVertexArray());
state.setNormalPointer(it->_glyphGeometry->getNormalArray());
const osg::Geometry::PrimitiveSetList & psl = it->_glyphGeometry->getWallPrimitiveSetList();
for(osg::Geometry::PrimitiveSetList::const_iterator itr=psl.begin(), end=psl.end(); itr!=end; ++itr)
{
@@ -654,13 +647,13 @@ void Text3D::renderPerFace(osg::State & state) const
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);
state.setVertexPointer(it->_glyphGeometry->getVertexArray());
state.setNormalPointer(it->_glyphGeometry->getNormalArray());
// ** 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)

125
src/osgText/TextBase.cpp
View File

@@ -630,6 +630,7 @@ void TextBase::setupDecoration()
}
_decorationVertices->clear();
_decorationPrimitives.clear();
if ((_drawMode & FILLEDBOUNDINGBOX)!=0 && _textBB.valid())
{
@@ -638,10 +639,22 @@ void TextBase::setupDecoration()
osg::Vec3 c110(_textBB.xMax(),_textBB.yMax(),_textBB.zMin());
osg::Vec3 c010(_textBB.xMin(),_textBB.yMax(),_textBB.zMin());
unsigned int base = _decorationVertices->size();
_decorationVertices->push_back(c000);
_decorationVertices->push_back(c100);
_decorationVertices->push_back(c110);
_decorationVertices->push_back(c010);
osg::ref_ptr<osg::DrawElementsUShort> primitives = new osg::DrawElementsUShort(GL_TRIANGLES);
_decorationPrimitives.push_back(primitives);
primitives->push_back(base);
primitives->push_back(base+1);
primitives->push_back(base+2);
primitives->push_back(base);
primitives->push_back(base+1);
primitives->push_back(base+3);
}
if ((_drawMode & BOUNDINGBOX)!=0 && _textBB.valid())
@@ -653,17 +666,20 @@ void TextBase::setupDecoration()
osg::Vec3 c110(_textBB.xMax(),_textBB.yMax(),_textBB.zMin());
osg::Vec3 c010(_textBB.xMin(),_textBB.yMax(),_textBB.zMin());
unsigned int base = _decorationVertices->size();
_decorationVertices->push_back(c000);
_decorationVertices->push_back(c100);
_decorationVertices->push_back(c100);
_decorationVertices->push_back(c110);
_decorationVertices->push_back(c110);
_decorationVertices->push_back(c010);
_decorationVertices->push_back(c010);
_decorationVertices->push_back(c000);
osg::ref_ptr<osg::DrawElementsUShort> primitives = new osg::DrawElementsUShort(GL_LINE_LOOP);
_decorationPrimitives.push_back(primitives);
primitives->push_back(base);
primitives->push_back(base+1);
primitives->push_back(base+2);
primitives->push_back(base+3);
}
else
{
@@ -677,46 +693,61 @@ void TextBase::setupDecoration()
osg::Vec3 c111(_textBB.xMax(),_textBB.yMax(),_textBB.zMax());
osg::Vec3 c011(_textBB.xMin(),_textBB.yMax(),_textBB.zMax());
unsigned int base = _decorationVertices->size();
_decorationVertices->push_back(c000); // +0
_decorationVertices->push_back(c100); // +1
_decorationVertices->push_back(c110); // +2
_decorationVertices->push_back(c010); // +3
_decorationVertices->push_back(c001); // +4
_decorationVertices->push_back(c101); // +5
_decorationVertices->push_back(c111); // +6
_decorationVertices->push_back(c011); // +7
osg::ref_ptr<osg::DrawElementsUShort> primitives = new osg::DrawElementsUShort(GL_LINES);
_decorationPrimitives.push_back(primitives);
// front loop
primitives->push_back(base+0);
primitives->push_back(base+1);
primitives->push_back(base+1);
primitives->push_back(base+2);
primitives->push_back(base+2);
primitives->push_back(base+3);
primitives->push_back(base+3);
primitives->push_back(base+0);
// back loop
primitives->push_back(base+4);
primitives->push_back(base+5);
primitives->push_back(base+5);
primitives->push_back(base+6);
primitives->push_back(base+6);
primitives->push_back(base+7);
primitives->push_back(base+7);
primitives->push_back(base+4);
// edges from corner 000
_decorationVertices->push_back(c000);
_decorationVertices->push_back(c100);
primitives->push_back(base+0);
primitives->push_back(base+4);
_decorationVertices->push_back(c000);
_decorationVertices->push_back(c001);
primitives->push_back(base+1);
primitives->push_back(base+5);
_decorationVertices->push_back(c000);
_decorationVertices->push_back(c010);
primitives->push_back(base+2);
primitives->push_back(base+6);
// edges from corner C101
_decorationVertices->push_back(c101);
_decorationVertices->push_back(c100);
primitives->push_back(base+3);
primitives->push_back(base+7);
_decorationVertices->push_back(c101);
_decorationVertices->push_back(c001);
_decorationVertices->push_back(c101);
_decorationVertices->push_back(c111);
// edges from corner C110
_decorationVertices->push_back(c110);
_decorationVertices->push_back(c010);
_decorationVertices->push_back(c110);
_decorationVertices->push_back(c100);
_decorationVertices->push_back(c110);
_decorationVertices->push_back(c111);
// edges from corner C011
_decorationVertices->push_back(c011);
_decorationVertices->push_back(c010);
_decorationVertices->push_back(c011);
_decorationVertices->push_back(c001);
_decorationVertices->push_back(c011);
_decorationVertices->push_back(c111);
}
}
@@ -729,9 +760,21 @@ void TextBase::setupDecoration()
osg::Vec3 vt(osg::Vec3(_offset.x(),_offset.y()-cursorsize,_offset.z()));
osg::Vec3 vb(osg::Vec3(_offset.x(),_offset.y()+cursorsize,_offset.z()));
unsigned int base = _decorationVertices->size();
_decorationVertices->push_back(hl);
_decorationVertices->push_back(hr);
_decorationVertices->push_back(vt);
_decorationVertices->push_back(vb);
osg::ref_ptr<osg::DrawElementsUShort> primitives = new osg::DrawElementsUShort(GL_LINES);
_decorationPrimitives.push_back(primitives);
// front loop
primitives->push_back(base+0);
primitives->push_back(base+1);
primitives->push_back(base+1);
primitives->push_back(base+2);
}
}