#endif
#include "TextureBuilder.hxx"
+#include "mipmap.hxx"
+#include "Pass.hxx"
+
+#include <osg/TexEnv>
+#include <osg/TexEnvCombine>
+#include <osg/TexGen>
#include <osg/Texture1D>
#include <osg/Texture2D>
#include <osg/Texture3D>
#include <osg/TextureRectangle>
+#include <osg/TextureCubeMap>
#include <osgDB/FileUtils>
+#include <osgDB/ReadFile>
+#include <boost/lexical_cast.hpp>
#include <boost/tuple/tuple.hpp>
#include <boost/tuple/tuple_comparison.hpp>
+#include <simgear/scene/util/SGReaderWriterOptions.hxx>
#include <simgear/scene/util/SGSceneFeatures.hxx>
#include <simgear/scene/util/StateAttributeFactory.hxx>
-
#include <simgear/math/SGMath.hxx>
+#include <simgear/structure/OSGUtils.hxx>
#include "Noise.hxx"
using namespace std;
using namespace osg;
+using namespace effect;
+
+TexEnvCombine* buildTexEnvCombine(Effect* effect,
+ const SGPropertyNode* envProp,
+ const SGReaderWriterOptions* options);
+TexGen* buildTexGen(Effect* Effect, const SGPropertyNode* tgenProp);
+
// Hack to force inclusion of TextureBuilder.cxx in library
osg::Texture* TextureBuilder::buildFromType(Effect* effect, const string& type,
const SGPropertyNode*props,
- const osgDB::ReaderWriter::Options*
+ const SGReaderWriterOptions*
options)
{
return EffectBuilder<Texture>::buildFromType(effect, type, props, options);
typedef boost::tuple<string, Texture::FilterMode, Texture::FilterMode,
Texture::WrapMode, Texture::WrapMode, Texture::WrapMode,
- string> TexTuple;
+ string, MipMapTuple> TexTuple;
+
+EffectNameValue<TexEnv::Mode> texEnvModesInit[] =
+{
+ {"add", TexEnv::ADD},
+ {"blend", TexEnv::BLEND},
+ {"decal", TexEnv::DECAL},
+ {"modulate", TexEnv::MODULATE},
+ {"replace", TexEnv::REPLACE}
+};
+EffectPropertyMap<TexEnv::Mode> texEnvModes(texEnvModesInit);
+
+TexEnv* buildTexEnv(Effect* effect, const SGPropertyNode* prop)
+{
+ const SGPropertyNode* modeProp = getEffectPropertyChild(effect, prop,
+ "mode");
+ const SGPropertyNode* colorProp = getEffectPropertyChild(effect, prop,
+ "color");
+ if (!modeProp)
+ return 0;
+ TexEnv::Mode mode = TexEnv::MODULATE;
+ findAttr(texEnvModes, modeProp, mode);
+ if (mode == TexEnv::MODULATE) {
+ return StateAttributeFactory::instance()->getStandardTexEnv();
+ }
+ TexEnv* env = new TexEnv(mode);
+ if (colorProp)
+ env->setColor(toOsg(colorProp->getValue<SGVec4d>()));
+ return env;
+}
+
+
+void TextureUnitBuilder::buildAttribute(Effect* effect, Pass* pass,
+ const SGPropertyNode* prop,
+ const SGReaderWriterOptions* options)
+{
+ if (!isAttributeActive(effect, prop))
+ return;
+ // Decode the texture unit
+ int unit = 0;
+ const SGPropertyNode* pUnit = prop->getChild("unit");
+ if (pUnit) {
+ unit = pUnit->getValue<int>();
+ } else {
+ const SGPropertyNode* pName = prop->getChild("name");
+ if (pName)
+ try {
+ unit = boost::lexical_cast<int>(pName->getStringValue());
+ } catch (boost::bad_lexical_cast& lex) {
+ SG_LOG(SG_INPUT, SG_ALERT, "can't decode name as texture unit "
+ << lex.what());
+ }
+ }
+ const SGPropertyNode* pType = getEffectPropertyChild(effect, prop, "type");
+ string type;
+ if (!pType)
+ type = "2d";
+ else
+ type = pType->getStringValue();
+ Texture* texture = 0;
+ try {
+ texture = TextureBuilder::buildFromType(effect, type, prop,
+ options);
+ }
+ catch (BuilderException& e) {
+ SG_LOG(SG_INPUT, SG_ALERT, e.getFormattedMessage() << ", "
+ << "maybe the reader did not set the filename attribute, "
+ << "using white for type '" << type << "' on '" << pass->getName() << "', in " << prop->getPath() );
+ texture = StateAttributeFactory::instance()->getWhiteTexture();
+ }
+ pass->setTextureAttributeAndModes(unit, texture);
+ const SGPropertyNode* envProp = prop->getChild("environment");
+ if (envProp) {
+ TexEnv* env = buildTexEnv(effect, envProp);
+ if (env)
+ pass->setTextureAttributeAndModes(unit, env);
+ }
+ const SGPropertyNode* combineProp = prop->getChild("texenv-combine");
+ TexEnvCombine* combiner = 0;
+ if (combineProp && ((combiner = buildTexEnvCombine(effect, combineProp,
+ options))))
+ pass->setTextureAttributeAndModes(unit, combiner);
+ const SGPropertyNode* tgenProp = prop->getChild("texgen");
+ TexGen* tgen = 0;
+ if (tgenProp && (tgen = buildTexGen(effect, tgenProp)))
+ pass->setTextureAttributeAndModes(unit, tgen);
+}
+
+// InstallAttributeBuilder call is in Effect.cxx to force this file to
+// be linked in.
namespace
{
-EffectNameValue<Texture::FilterMode> filterModes[] =
+EffectNameValue<Texture::FilterMode> filterModesInit[] =
{
{ "linear", Texture::LINEAR },
{ "linear-mipmap-linear", Texture::LINEAR_MIPMAP_LINEAR},
{ "nearest-mipmap-linear", Texture::NEAREST_MIPMAP_LINEAR},
{ "nearest-mipmap-nearest", Texture::NEAREST_MIPMAP_NEAREST}
};
+EffectPropertyMap<Texture::FilterMode> filterModes(filterModesInit);
-EffectNameValue<Texture::WrapMode> wrapModes[] =
+EffectNameValue<Texture::WrapMode> wrapModesInit[] =
{
{"clamp", Texture::CLAMP},
{"clamp-to-border", Texture::CLAMP_TO_BORDER},
{"mirror", Texture::MIRROR},
{"repeat", Texture::REPEAT}
};
-
-
+EffectPropertyMap<Texture::WrapMode> wrapModes(wrapModesInit);
TexTuple makeTexTuple(Effect* effect, const SGPropertyNode* props,
- const osgDB::ReaderWriter::Options* options,
+ const SGReaderWriterOptions* options,
const string& texType)
{
Texture::FilterMode minFilter = Texture::LINEAR_MIPMAP_LINEAR;
- findAttr(filterModes, getEffectPropertyChild(effect, props, "filter"),
- minFilter);
+ const SGPropertyNode* ep = 0;
+ if ((ep = getEffectPropertyChild(effect, props, "filter")))
+ findAttr(filterModes, ep, minFilter);
Texture::FilterMode magFilter = Texture::LINEAR;
- findAttr(filterModes, getEffectPropertyChild(effect, props,
- "mag-filter"),
- magFilter);
+ if ((ep = getEffectPropertyChild(effect, props, "mag-filter")))
+ findAttr(filterModes, ep, magFilter);
const SGPropertyNode* pWrapS
= getEffectPropertyChild(effect, props, "wrap-s");
Texture::WrapMode sWrap = Texture::CLAMP;
- findAttr(wrapModes, pWrapS, sWrap);
+ if (pWrapS)
+ findAttr(wrapModes, pWrapS, sWrap);
const SGPropertyNode* pWrapT
= getEffectPropertyChild(effect, props, "wrap-t");
Texture::WrapMode tWrap = Texture::CLAMP;
- findAttr(wrapModes, pWrapT, tWrap);
+ if (pWrapT)
+ findAttr(wrapModes, pWrapT, tWrap);
const SGPropertyNode* pWrapR
= getEffectPropertyChild(effect, props, "wrap-r");
Texture::WrapMode rWrap = Texture::CLAMP;
- findAttr(wrapModes, pWrapR, rWrap);
+ if (pWrapR)
+ findAttr(wrapModes, pWrapR, rWrap);
const SGPropertyNode* pImage
= getEffectPropertyChild(effect, props, "image");
string imageName;
+ string absFileName;
if (pImage)
+ {
imageName = pImage->getStringValue();
- string absFileName = osgDB::findDataFile(imageName, options);
+ absFileName = SGModelLib::findDataFile(imageName, options);
+ if (absFileName.empty())
+ {
+ SG_LOG(SG_INPUT, SG_ALERT, "Texture file not found: '"
+ << imageName << "'");
+ }
+ }
+
+ 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,
- const osgDB::ReaderWriter::Options* options)
+ const SGReaderWriterOptions* options)
{
const string& imageName = attrs.get<0>();
if (imageName.empty()) {
throw BuilderException("no image file");
} else {
- osgDB::ReaderWriter::ReadResult result
- = osgDB::Registry::instance()->readImage(imageName, options);
+ osgDB::ReaderWriter::ReadResult result;
+ result = osgDB::readImageFile(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) {
public:
TexBuilder(const string& texType) : _type(texType) {}
Texture* build(Effect* effect, const SGPropertyNode*,
- const osgDB::ReaderWriter::Options* options);
+ const SGReaderWriterOptions* options);
protected:
typedef map<TexTuple, ref_ptr<T> > TexMap;
TexMap texMap;
template<typename T>
Texture* TexBuilder<T>::build(Effect* effect, const SGPropertyNode* props,
- const osgDB::ReaderWriter::Options* options)
+ const SGReaderWriterOptions* options)
{
TexTuple attrs = makeTexTuple(effect, props, options, _type);
typename TexMap::iterator itr = texMap.find(attrs);
{
public:
Texture* build(Effect* effect, const SGPropertyNode*,
- const osgDB::ReaderWriter::Options* options);
+ const SGReaderWriterOptions* options);
};
Texture* WhiteTextureBuilder::build(Effect* effect, const SGPropertyNode*,
- const osgDB::ReaderWriter::Options* options)
+ const SGReaderWriterOptions* options)
{
return StateAttributeFactory::instance()->getWhiteTexture();
}
TextureBuilder::Registrar installWhite("white", new WhiteTextureBuilder);
}
+class TransparentTextureBuilder : public TextureBuilder
+{
+public:
+ Texture* build(Effect* effect, const SGPropertyNode*,
+ const SGReaderWriterOptions* options);
+};
+
+Texture* TransparentTextureBuilder::build(Effect* effect, const SGPropertyNode*,
+ const SGReaderWriterOptions* options)
+{
+ return StateAttributeFactory::instance()->getTransparentTexture();
+}
+
+namespace
+{
+TextureBuilder::Registrar installTransparent("transparent",
+ new TransparentTextureBuilder);
+}
+
osg::Image* make3DNoiseImage(int texSize)
{
osg::Image* image = new osg::Image;
{
public:
Texture* build(Effect* effect, const SGPropertyNode*,
- const osgDB::ReaderWriter::Options* options);
+ const SGReaderWriterOptions* options);
protected:
typedef map<int, ref_ptr<Texture3D> > NoiseMap;
NoiseMap _noises;
};
Texture* NoiseBuilder::build(Effect* effect, const SGPropertyNode* props,
- const osgDB::ReaderWriter::Options* options)
+ const SGReaderWriterOptions* options)
{
int texSize = 64;
const SGPropertyNode* sizeProp = getEffectPropertyChild(effect, props,
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 SGReaderWriterOptions* 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 SGReaderWriterOptions* options)
+{
+ // First check that there is a <images> tag
+ const SGPropertyNode* texturesProp = getEffectPropertyChild(effect, props, "images");
+ const SGPropertyNode* crossProp = getEffectPropertyChild(effect, props, "image");
+ if (!texturesProp && !crossProp) {
+ throw BuilderException("no images defined for cube map");
+ return NULL; // This is redundant
+ }
+
+ // Using 6 separate images
+ if(texturesProp) {
+
+ SG_LOG(SG_INPUT, SG_DEBUG, "try 6 images ");
+
+ 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;
+ result = osgDB::readImageFile(_tuple.get<0>(), options);
+ if(result.success()) {
+ osg::Image* image = result.getImage();
+ cubeTexture->setImage(TextureCubeMap::POSITIVE_X, image);
+ }
+ result = osgDB::readImageFile(_tuple.get<1>(), options);
+ if(result.success()) {
+ osg::Image* image = result.getImage();
+ cubeTexture->setImage(TextureCubeMap::NEGATIVE_X, image);
+ }
+ result = osgDB::readImageFile(_tuple.get<2>(), options);
+ if(result.success()) {
+ osg::Image* image = result.getImage();
+ cubeTexture->setImage(TextureCubeMap::POSITIVE_Y, image);
+ }
+ result = osgDB::readImageFile(_tuple.get<3>(), options);
+ if(result.success()) {
+ osg::Image* image = result.getImage();
+ cubeTexture->setImage(TextureCubeMap::NEGATIVE_Y, image);
+ }
+ result = osgDB::readImageFile(_tuple.get<4>(), options);
+ if(result.success()) {
+ osg::Image* image = result.getImage();
+ cubeTexture->setImage(TextureCubeMap::POSITIVE_Z, image);
+ }
+ result = osgDB::readImageFile(_tuple.get<5>(), options);
+ if(result.success()) {
+ osg::Image* image = result.getImage();
+ cubeTexture->setImage(TextureCubeMap::NEGATIVE_Z, image);
+ }
+
+ _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;
+ result = osgDB::readImageFile(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},
+ {"modulate", TexEnvCombine::MODULATE},
+ {"add", TexEnvCombine::ADD},
+ {"add-signed", TexEnvCombine::ADD_SIGNED},
+ {"interpolate", TexEnvCombine::INTERPOLATE},
+ {"subtract", TexEnvCombine::SUBTRACT},
+ {"dot3-rgb", TexEnvCombine::DOT3_RGB},
+ {"dot3-rgba", TexEnvCombine::DOT3_RGBA}
+};
+
+EffectPropertyMap<TexEnvCombine::CombineParam> combineParams(combineParamInit);
+
+EffectNameValue<TexEnvCombine::SourceParam> sourceParamInit[] =
+{
+ {"constant", TexEnvCombine::CONSTANT},
+ {"primary_color", TexEnvCombine::PRIMARY_COLOR},
+ {"previous", TexEnvCombine::PREVIOUS},
+ {"texture", TexEnvCombine::TEXTURE},
+ {"texture0", TexEnvCombine::TEXTURE0},
+ {"texture1", TexEnvCombine::TEXTURE1},
+ {"texture2", TexEnvCombine::TEXTURE2},
+ {"texture3", TexEnvCombine::TEXTURE3},
+ {"texture4", TexEnvCombine::TEXTURE4},
+ {"texture5", TexEnvCombine::TEXTURE5},
+ {"texture6", TexEnvCombine::TEXTURE6},
+ {"texture7", TexEnvCombine::TEXTURE7}
+};
+
+EffectPropertyMap<TexEnvCombine::SourceParam> sourceParams(sourceParamInit);
+
+EffectNameValue<TexEnvCombine::OperandParam> opParamInit[] =
+{
+ {"src-color", TexEnvCombine::SRC_COLOR},
+ {"one-minus-src-color", TexEnvCombine::ONE_MINUS_SRC_COLOR},
+ {"src-alpha", TexEnvCombine::SRC_ALPHA},
+ {"one-minus-src-alpha", TexEnvCombine::ONE_MINUS_SRC_ALPHA}
+};
+
+EffectPropertyMap<TexEnvCombine::OperandParam> operandParams(opParamInit);
+
+TexEnvCombine* buildTexEnvCombine(Effect* effect, const SGPropertyNode* envProp,
+ const SGReaderWriterOptions* options)
+{
+ if (!isAttributeActive(effect, envProp))
+ return 0;
+ TexEnvCombine* result = new TexEnvCombine;
+ const SGPropertyNode* p = 0;
+ if ((p = getEffectPropertyChild(effect, envProp, "combine-rgb"))) {
+ TexEnvCombine::CombineParam crgb = TexEnvCombine::MODULATE;
+ findAttr(combineParams, p, crgb);
+ result->setCombine_RGB(crgb);
+ }
+ if ((p = getEffectPropertyChild(effect, envProp, "combine-alpha"))) {
+ TexEnvCombine::CombineParam calpha = TexEnvCombine::MODULATE;
+ findAttr(combineParams, p, calpha);
+ result->setCombine_Alpha(calpha);
+ }
+ if ((p = getEffectPropertyChild(effect, envProp, "source0-rgb"))) {
+ TexEnvCombine::SourceParam source = TexEnvCombine::TEXTURE;
+ findAttr(sourceParams, p, source);
+ result->setSource0_RGB(source);
+ }
+ if ((p = getEffectPropertyChild(effect, envProp, "source1-rgb"))) {
+ TexEnvCombine::SourceParam source = TexEnvCombine::PREVIOUS;
+ findAttr(sourceParams, p, source);
+ result->setSource1_RGB(source);
+ }
+ if ((p = getEffectPropertyChild(effect, envProp, "source2-rgb"))) {
+ TexEnvCombine::SourceParam source = TexEnvCombine::CONSTANT;
+ findAttr(sourceParams, p, source);
+ result->setSource2_RGB(source);
+ }
+ if ((p = getEffectPropertyChild(effect, envProp, "source0-alpha"))) {
+ TexEnvCombine::SourceParam source = TexEnvCombine::TEXTURE;
+ findAttr(sourceParams, p, source);
+ result->setSource0_Alpha(source);
+ }
+ if ((p = getEffectPropertyChild(effect, envProp, "source1-alpha"))) {
+ TexEnvCombine::SourceParam source = TexEnvCombine::PREVIOUS;
+ findAttr(sourceParams, p, source);
+ result->setSource1_Alpha(source);
+ }
+ if ((p = getEffectPropertyChild(effect, envProp, "source2-alpha"))) {
+ TexEnvCombine::SourceParam source = TexEnvCombine::CONSTANT;
+ findAttr(sourceParams, p, source);
+ result->setSource2_Alpha(source);
+ }
+ if ((p = getEffectPropertyChild(effect, envProp, "operand0-rgb"))) {
+ TexEnvCombine::OperandParam op = TexEnvCombine::SRC_COLOR;
+ findAttr(operandParams, p, op);
+ result->setOperand0_RGB(op);
+ }
+ if ((p = getEffectPropertyChild(effect, envProp, "operand1-rgb"))) {
+ TexEnvCombine::OperandParam op = TexEnvCombine::SRC_COLOR;
+ findAttr(operandParams, p, op);
+ result->setOperand1_RGB(op);
+ }
+ if ((p = getEffectPropertyChild(effect, envProp, "operand2-rgb"))) {
+ TexEnvCombine::OperandParam op = TexEnvCombine::SRC_ALPHA;
+ findAttr(operandParams, p, op);
+ result->setOperand2_RGB(op);
+ }
+ if ((p = getEffectPropertyChild(effect, envProp, "operand0-alpha"))) {
+ TexEnvCombine::OperandParam op = TexEnvCombine::SRC_ALPHA;
+ findAttr(operandParams, p, op);
+ result->setOperand0_Alpha(op);
+ }
+ if ((p = getEffectPropertyChild(effect, envProp, "operand1-alpha"))) {
+ TexEnvCombine::OperandParam op = TexEnvCombine::SRC_ALPHA;
+ findAttr(operandParams, p, op);
+ result->setOperand1_Alpha(op);
+ }
+ if ((p = getEffectPropertyChild(effect, envProp, "operand2-alpha"))) {
+ TexEnvCombine::OperandParam op = TexEnvCombine::SRC_ALPHA;
+ findAttr(operandParams, p, op);
+ result->setOperand2_Alpha(op);
+ }
+ if ((p = getEffectPropertyChild(effect, envProp, "scale-rgb"))) {
+ result->setScale_RGB(p->getValue<float>());
+ }
+ if ((p = getEffectPropertyChild(effect, envProp, "scale-alpha"))) {
+ result->setScale_Alpha(p->getValue<float>());
+ }
+#if 0
+ if ((p = getEffectPropertyChild(effect, envProp, "constant-color"))) {
+ SGVec4d color = p->getValue<SGVec4d>();
+ result->setConstantColor(toOsg(color));
+ } else if ((p = getEffectPropertyChild(effect, envProp,
+ "light-direction"))) {
+ SGVec3d direction = p->getValue<SGVec3d>();
+ result->setConstantColorAsLightDirection(toOsg(direction));
+ }
+#endif
+ const SGPropertyNode* colorNode = envProp->getChild("constant-color");
+ if (colorNode)
+ initFromParameters(effect, colorNode, result,
+ &TexEnvCombine::setConstantColor, colorFields,
+ options);
+ return result;
+}
+
+EffectNameValue<TexGen::Mode> tgenModeInit[] =
+{
+ { "object-linear", TexGen::OBJECT_LINEAR},
+ { "eye-linear", TexGen::EYE_LINEAR},
+ { "sphere-map", TexGen::SPHERE_MAP},
+ { "normal-map", TexGen::NORMAL_MAP},
+ { "reflection-map", TexGen::REFLECTION_MAP}
+};
+
+EffectPropertyMap<TexGen::Mode> tgenModes(tgenModeInit);
+
+EffectNameValue<TexGen::Coord> tgenCoordInit[] =
+{
+ {"s", TexGen::S},
+ {"t", TexGen::T},
+ {"r", TexGen::R},
+ {"q", TexGen::Q}
+};
+
+EffectPropertyMap<TexGen::Coord> tgenCoords(tgenCoordInit);
+
+TexGen* buildTexGen(Effect* effect, const SGPropertyNode* tgenProp)
+{
+ if (!isAttributeActive(effect, tgenProp))
+ return 0;
+ TexGen* result = new TexGen;
+ TexGen::Mode mode = TexGen::OBJECT_LINEAR;
+ findAttr(tgenModes, getEffectPropertyChild(effect, tgenProp, "mode"), mode);
+ result->setMode(mode);
+ const SGPropertyNode* planesNode = tgenProp->getChild("planes");
+ if (planesNode) {
+ for (int i = 0; i < planesNode->nChildren(); ++i) {
+ const SGPropertyNode* planeNode = planesNode->getChild(i);
+ TexGen::Coord coord;
+ findAttr(tgenCoords, planeNode->getName(), coord);
+ const SGPropertyNode* realNode
+ = getEffectPropertyNode(effect, planeNode);
+ SGVec4d plane = realNode->getValue<SGVec4d>();
+ result->setPlane(coord, toOsg(plane));
+ }
+ }
+ return result;
+}
+
+bool makeTextureParameters(SGPropertyNode* paramRoot, const StateSet* ss)
+{
+ SGPropertyNode* texUnit = makeChild(paramRoot, "texture");
+ const Texture* tex = getStateAttribute<Texture>(0, ss);
+ const Texture2D* texture = dynamic_cast<const Texture2D*>(tex);
+ makeChild(texUnit, "unit")->setValue(0);
+ if (!tex) {
+ // The default shader-based technique ignores active
+ makeChild(texUnit, "active")->setValue(false);
+ return false;
+ }
+ const Image* image = texture->getImage();
+ string imageName;
+ if (image) {
+ imageName = image->getFileName();
+ } else {
+ makeChild(texUnit, "active")->setValue(false);
+ makeChild(texUnit, "type")->setValue("white");
+ return false;
+ }
+ makeChild(texUnit, "active")->setValue(true);
+ makeChild(texUnit, "type")->setValue("2d");
+ string filter = findName(filterModes,
+ texture->getFilter(Texture::MIN_FILTER));
+ string magFilter = findName(filterModes,
+ texture->getFilter(Texture::MAG_FILTER));
+ string wrapS = findName(wrapModes, texture->getWrap(Texture::WRAP_S));
+ string wrapT = findName(wrapModes, texture->getWrap(Texture::WRAP_T));
+ string wrapR = findName(wrapModes, texture->getWrap(Texture::WRAP_R));
+ makeChild(texUnit, "image")->setStringValue(imageName);
+ makeChild(texUnit, "filter")->setStringValue(filter);
+ makeChild(texUnit, "mag-filter")->setStringValue(magFilter);
+ makeChild(texUnit, "wrap-s")->setStringValue(wrapS);
+ makeChild(texUnit, "wrap-t")->setStringValue(wrapT);
+ makeChild(texUnit, "wrap-r")->setStringValue(wrapR);
+ return true;
+}
+
}
projects / simgear.git / blobdiff