#include <osg/Texture2D>
#include <osg/Texture3D>
#include <osg/TextureRectangle>
+#include <osg/TextureCubeMap>
#include <osgDB/FileUtils>
#include <boost/lexical_cast.hpp>
if (colorProp)
env->setColor(toOsg(colorProp->getValue<SGVec4d>()));
return env;
- }
+}
void TextureUnitBuilder::buildAttribute(Effect* effect, Pass* pass,
options);
}
catch (BuilderException& e) {
- SG_LOG(SG_INPUT, SG_ALERT, "No image file for texture, using white ");
+ SG_LOG(SG_INPUT, SG_ALERT, "No image file, "
+ << "maybe the reader did not set the filename attribute, "
+ << "using white on " << pass->getName());
texture = StateAttributeFactory::instance()->getWhiteTexture();
}
pass->setTextureAttributeAndModes(unit, texture);
TextureBuilder::Registrar installNoise("noise", new NoiseBuilder);
}
+
+// Image names for all sides
+typedef boost::tuple<string, string, string, string, string, string> CubeMapTuple;
+
+CubeMapTuple makeCubeMapTuple(Effect* effect, const SGPropertyNode* props)
+{
+ const SGPropertyNode* ep = 0;
+
+ string positive_x;
+ if ((ep = getEffectPropertyChild(effect, props, "positive-x")))
+ positive_x = ep->getStringValue();
+ string negative_x;
+ if ((ep = getEffectPropertyChild(effect, props, "negative-x")))
+ negative_x = ep->getStringValue();
+ string positive_y;
+ if ((ep = getEffectPropertyChild(effect, props, "positive-y")))
+ positive_y = ep->getStringValue();
+ string negative_y;
+ if ((ep = getEffectPropertyChild(effect, props, "negative-y")))
+ negative_y = ep->getStringValue();
+ string positive_z;
+ if ((ep = getEffectPropertyChild(effect, props, "positive-z")))
+ positive_z = ep->getStringValue();
+ string negative_z;
+ if ((ep = getEffectPropertyChild(effect, props, "negative-z")))
+ negative_z = ep->getStringValue();
+ return CubeMapTuple(positive_x, negative_x, positive_y, negative_y, positive_z, negative_z);
+}
+
+
+class CubeMapBuilder : public TextureBuilder
+{
+public:
+ Texture* build(Effect* effect, const SGPropertyNode*,
+ const SGReaderWriterXMLOptions* options);
+protected:
+ typedef map<CubeMapTuple, ref_ptr<TextureCubeMap> > CubeMap;
+ CubeMap _cubemaps;
+};
+
+Texture* CubeMapBuilder::build(Effect* effect, const SGPropertyNode* props,
+ const SGReaderWriterXMLOptions* options)
+{
+ // First check that there is a <images> tag
+ const SGPropertyNode* texturesProp = getEffectPropertyChild(effect, props, "images");
+ if (!texturesProp) {
+ throw BuilderException("no <images> for cube map");
+ return NULL; // This is redundant
+ }
+
+ CubeMapTuple _tuple = makeCubeMapTuple(effect, texturesProp);
+
+ CubeMap::iterator itr = _cubemaps.find(_tuple);
+ if (itr != _cubemaps.end())
+ return itr->second.get();
+
+ TextureCubeMap* cubeTexture = new osg::TextureCubeMap;
+
+ // TODO: Read these from effect file? Maybe these are sane for all cuebmaps?
+ cubeTexture->setFilter(osg::Texture3D::MIN_FILTER, osg::Texture::LINEAR_MIPMAP_LINEAR);
+ cubeTexture->setFilter(osg::Texture3D::MAG_FILTER, osg::Texture::LINEAR);
+ cubeTexture->setWrap(osg::Texture3D::WRAP_S, osg::Texture::CLAMP_TO_EDGE);
+ cubeTexture->setWrap(osg::Texture3D::WRAP_T, osg::Texture::CLAMP_TO_EDGE);
+ cubeTexture->setWrap(osg::Texture3D::WRAP_R, osg::Texture::CLAMP_TO_EDGE);
+
+ osgDB::ReaderWriter::ReadResult result =
+ osgDB::Registry::instance()->readImage(_tuple.get<0>(), options);
+ if(result.success()) {
+ osg::Image* image = result.getImage();
+ cubeTexture->setImage(TextureCubeMap::POSITIVE_X, image);
+ }
+ result = osgDB::Registry::instance()->readImage(_tuple.get<1>(), options);
+ if(result.success()) {
+ osg::Image* image = result.getImage();
+ cubeTexture->setImage(TextureCubeMap::NEGATIVE_X, image);
+ }
+ result = osgDB::Registry::instance()->readImage(_tuple.get<2>(), options);
+ if(result.success()) {
+ osg::Image* image = result.getImage();
+ cubeTexture->setImage(TextureCubeMap::POSITIVE_Y, image);
+ }
+ result = osgDB::Registry::instance()->readImage(_tuple.get<3>(), options);
+ if(result.success()) {
+ osg::Image* image = result.getImage();
+ cubeTexture->setImage(TextureCubeMap::NEGATIVE_Y, image);
+ }
+ result = osgDB::Registry::instance()->readImage(_tuple.get<4>(), options);
+ if(result.success()) {
+ osg::Image* image = result.getImage();
+ cubeTexture->setImage(TextureCubeMap::POSITIVE_Z, image);
+ }
+ result = osgDB::Registry::instance()->readImage(_tuple.get<5>(), options);
+ if(result.success()) {
+ osg::Image* image = result.getImage();
+ cubeTexture->setImage(TextureCubeMap::NEGATIVE_Z, image);
+ }
+
+ _cubemaps[_tuple] = cubeTexture;
+
+ return cubeTexture;
+}
+
+namespace {
+TextureBuilder::Registrar installCubeMap("cubemap", new CubeMapBuilder);
+}
+
+
+
EffectNameValue<TexEnvCombine::CombineParam> combineParamInit[] =
{
{"replace", TexEnvCombine::REPLACE},
if (!isAttributeActive(effect, tgenProp))
return 0;
TexGen* result = new TexGen;
- const SGPropertyNode* p = 0;
TexGen::Mode mode = TexGen::OBJECT_LINEAR;
findAttr(tgenModes, getEffectPropertyChild(effect, tgenProp, "mode"), mode);
result->setMode(mode);