#endif
#include "TextureBuilder.hxx"
+#include "mipmap.hxx"
#include "Pass.hxx"
typedef boost::tuple<string, Texture::FilterMode, Texture::FilterMode,
Texture::WrapMode, Texture::WrapMode, Texture::WrapMode,
- string> TexTuple;
+ string, MipMapTuple> TexTuple;
EffectNameValue<TexEnv::Mode> texEnvModesInit[] =
{
catch (BuilderException& ) {
SG_LOG(SG_INPUT, SG_ALERT, "No image file, "
<< "maybe the reader did not set the filename attribute, "
- << "using white on " << pass->getName());
+ << "using white for type '" << type << "' on '" << pass->getName() << "', in " << prop->getPath() );
texture = StateAttributeFactory::instance()->getWhiteTexture();
}
pass->setTextureAttributeAndModes(unit, texture);
};
EffectPropertyMap<Texture::WrapMode> wrapModes(wrapModesInit);
-
TexTuple makeTexTuple(Effect* effect, const SGPropertyNode* props,
const SGReaderWriterXMLOptions* options,
const string& texType)
if (pImage)
imageName = pImage->getStringValue();
string absFileName = osgDB::findDataFile(imageName, options);
+
+ const SGPropertyNode* pMipmapControl
+ = getEffectPropertyChild(effect, props, "mipmap-control");
+ MipMapTuple mipmapFunctions( AUTOMATIC, AUTOMATIC, AUTOMATIC, AUTOMATIC );
+ if ( pMipmapControl )
+ mipmapFunctions = makeMipMapTuple(effect, pMipmapControl, options);
+
return TexTuple(absFileName, minFilter, magFilter, sWrap, tWrap, rWrap,
- texType);
+ texType, mipmapFunctions);
}
void setAttrs(const TexTuple& attrs, Texture* tex,
osgDB::ReaderWriter::ReadResult result
= osgDB::Registry::instance()->readImage(imageName, options);
if (result.success()) {
- osg::Image* image = result.getImage();
- tex->setImage(GL_FRONT_AND_BACK, image);
+ osg::ref_ptr<osg::Image> image = result.getImage();
+ image = computeMipmap( image.get(), attrs.get<7>() );
+ tex->setImage(GL_FRONT_AND_BACK, image.get());
int s = image->s();
int t = image->t();
if (s <= t && 32 <= s) {
}
+
// Image names for all sides
typedef boost::tuple<string, string, string, string, string, string> CubeMapTuple;
const SGReaderWriterXMLOptions* options);
protected:
typedef map<CubeMapTuple, ref_ptr<TextureCubeMap> > CubeMap;
+ typedef map<string, ref_ptr<TextureCubeMap> > CrossCubeMap;
CubeMap _cubemaps;
+ CrossCubeMap _crossmaps;
};
+// I use this until osg::CopyImage is fixed
+// This one assumes images are the same format and sizes are correct
+void copySubImage(const osg::Image* srcImage, int src_s, int src_t, int width, int height,
+ osg::Image* destImage, int dest_s, int dest_t)
+{
+ for(int row = 0; row<height; ++row)
+ {
+ const unsigned char* srcData = srcImage->data(src_s, src_t+row, 0);
+ unsigned char* destData = destImage->data(dest_s, dest_t+row, 0);
+ memcpy(destData, srcData, (width*destImage->getPixelSizeInBits())/8);
+ }
+}
+
+
Texture* CubeMapBuilder::build(Effect* effect, const SGPropertyNode* props,
- const SGReaderWriterXMLOptions* options)
+ 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");
+ const SGPropertyNode* crossProp = getEffectPropertyChild(effect, props, "image");
+ if (!texturesProp && !crossProp) {
+ throw BuilderException("no images defined for cube map");
return NULL; // This is redundant
}
- CubeMapTuple _tuple = makeCubeMapTuple(effect, texturesProp);
+ // Using 6 separate images
+ if(texturesProp) {
- CubeMap::iterator itr = _cubemaps.find(_tuple);
- if (itr != _cubemaps.end())
- return itr->second.get();
+ SG_LOG(SG_INPUT, SG_DEBUG, "try 6 images ");
- TextureCubeMap* cubeTexture = new osg::TextureCubeMap;
+ CubeMapTuple _tuple = makeCubeMapTuple(effect, texturesProp);
- // 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);
+ CubeMap::iterator itr = _cubemaps.find(_tuple);
+ if (itr != _cubemaps.end())
+ return itr->second.get();
- 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);
+ 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;
}
- _cubemaps[_tuple] = cubeTexture;
- return cubeTexture;
+ // Using 1 cross image
+ else if(crossProp) {
+ SG_LOG(SG_INPUT, SG_DEBUG, "try cross map ");
+
+ std::string texname = crossProp->getStringValue();
+
+ // Try to find existing cube map
+ CrossCubeMap::iterator itr = _crossmaps.find(texname);
+ if (itr != _crossmaps.end())
+ return itr->second.get();
+
+ osgDB::ReaderWriter::ReadResult result =
+ osgDB::Registry::instance()->readImage(texname, options);
+ if(result.success()) {
+ osg::Image* image = result.getImage();
+ image->flipVertical(); // Seems like the image coordinates are somewhat funny, flip to get better ones
+
+ //cubeTexture->setResizeNonPowerOfTwoHint(false);
+
+ // Size of a single image, 4 rows and 3 columns
+ int width = image->s() / 3;
+ int height = image->t() / 4;
+ int depth = image->r();
+
+ TextureCubeMap* cubeTexture = new osg::TextureCubeMap;
+
+ // Copy the 6 sub-images and push them
+ for(int n=0; n<6; n++) {
+
+ SG_LOG(SG_INPUT, SG_DEBUG, "Copying the " << n << "th sub-images and pushing it" );
+
+ osg::ref_ptr<osg::Image> subimg = new osg::Image();
+ subimg->allocateImage(width, height, depth, image->getPixelFormat(), image->getDataType()); // Copy attributes
+
+ // Choose correct image
+ switch(n) {
+ case 0: // Front
+ copySubImage(image, width, 0, width, height, subimg.get(), 0, 0);
+ cubeTexture->setImage(TextureCubeMap::POSITIVE_Y, subimg.get());
+ 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);
+ break;
+ case 1: // Left
+ copySubImage(image, 0, height, width, height, subimg.get(), 0, 0);
+ cubeTexture->setImage(TextureCubeMap::NEGATIVE_X, subimg.get());
+ cubeTexture->setWrap(osg::Texture2D::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);
+ break;
+ case 2: // Top
+ copySubImage(image, width, height, width, height, subimg.get(), 0, 0);
+ cubeTexture->setImage(TextureCubeMap::POSITIVE_Z, subimg.get());
+ 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);
+ break;
+ case 3: // Right
+ copySubImage(image, width*2, height, width, height, subimg.get(), 0, 0);
+ cubeTexture->setImage(TextureCubeMap::POSITIVE_X, subimg.get());
+ 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);
+ break;
+ case 4: // Back
+ copySubImage(image, width, height*2, width, height, subimg.get(), 0, 0);
+ cubeTexture->setImage(TextureCubeMap::NEGATIVE_Y, subimg.get());
+ 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);
+ break;
+ case 5: // Bottom
+ copySubImage(image, width, height*3, width, height, subimg.get(), 0, 0);
+ cubeTexture->setImage(TextureCubeMap::NEGATIVE_Z, subimg.get());
+ 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);
+ break;
+ };
+
+ }
+
+ _crossmaps[texname] = cubeTexture;
+
+ return cubeTexture;
+
+ } else {
+ throw BuilderException("Could not load cube cross");
+ }
+ }
+
+ return NULL;
}
namespace {
TextureBuilder::Registrar installCubeMap("cubemap", new CubeMapBuilder);
}
-
-
EffectNameValue<TexEnvCombine::CombineParam> combineParamInit[] =
{
{"replace", TexEnvCombine::REPLACE},