FGFS-4.1/OpenSceneGraph
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Restructed the way that GlyphTexture is set up to better support control of osgText::ShaderTechnique from osgText::Text

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This commit is contained in:
Robert Osfield
2017-10-23 14:50:35 +01:00
parent 817b6601d2
commit 4b295c46d1
8 changed files with 147 additions and 139 deletions
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21
src/osgText/Font.cpp
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@@ -224,11 +224,6 @@ osg::ref_ptr<Font> osgText::readRefFontStream(std::istream& stream, const osgDB:
Font::Font(FontImplementation* implementation):
osg::Object(true),
#if 0
_shaderTechnique(ALL_FEATURES),
#else
_shaderTechnique(GREYSCALE),
#endif
_textureWidthHint(1024),
_textureHeightHint(1024),
_minFilterHint(osg::Texture::LINEAR_MIPMAP_LINEAR),
@@ -247,15 +242,6 @@ Font::Font(FontImplementation* implementation):
if (osg_max_size<_textureWidthHint) _textureWidthHint = osg_max_size;
if (osg_max_size<_textureHeightHint) _textureHeightHint = osg_max_size;
}
if ((ptr = getenv("OSG_SDF_TEXT")) != 0)
{
_shaderTechnique = ALL_FEATURES;
}
else if ((ptr = getenv("OSG_GREYSCALE_TEXT")) != 0)
{
_shaderTechnique = GREYSCALE;
}
}
Font::~Font()
@@ -459,6 +445,10 @@ void Font::addGlyph(const FontResolution& fontRes, unsigned int charcode, Glyph*
_sizeGlyphMap[fontRes][charcode]=glyph;
}
void Font::assignGlyphToGlyphTexture(Glyph* glyph, ShaderTechnique shaderTechnique)
{
int posX=0,posY=0;
GlyphTexture* glyphTexture = 0;
@@ -485,7 +475,7 @@ void Font::addGlyph(const FontResolution& fontRes, unsigned int charcode, Glyph*
OSG_INFO<< " Font " << this<< ", numberOfTexturesAllocated "<<numberOfTexturesAllocated<<std::endl;
// reserve enough space for the glyphs.
glyphTexture->setShaderTechnique(_shaderTechnique);
glyphTexture->setShaderTechnique(shaderTechnique);
glyphTexture->setTextureSize(_textureWidthHint,_textureHeightHint);
glyphTexture->setFilter(osg::Texture::MIN_FILTER,_minFilterHint);
glyphTexture->setFilter(osg::Texture::MAG_FILTER,_magFilterHint);
@@ -503,5 +493,4 @@ void Font::addGlyph(const FontResolution& fontRes, unsigned int charcode, Glyph*
// add the glyph into the texture.
glyphTexture->addGlyph(glyph,posX,posY);
}