-// Copyright (C) 2008 - 2009 Tim Moore timoore@redhat.com
+// Copyright (C) 2008 - 2010 Tim Moore timoore33@gmail.com
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
#include "Effect.hxx"
#include "EffectBuilder.hxx"
+#include "EffectGeode.hxx"
#include "Technique.hxx"
#include "Pass.hxx"
#include "TextureBuilder.hxx"
#include <iterator>
#include <map>
#include <utility>
+#include <boost/tr1/unordered_map.hpp>
#include <boost/bind.hpp>
#include <boost/foreach.hpp>
-#include <boost/lexical_cast.hpp>
+#include <boost/functional/hash.hpp>
#include <boost/tuple/tuple.hpp>
#include <boost/tuple/tuple_comparison.hpp>
#include <osg/AlphaFunc>
#include <osg/BlendFunc>
#include <osg/CullFace>
+#include <osg/Depth>
#include <osg/Drawable>
#include <osg/Material>
#include <osg/Math>
#include <osg/PolygonMode>
+#include <osg/PolygonOffset>
#include <osg/Program>
#include <osg/Referenced>
#include <osg/RenderInfo>
#include <osg/ShadeModel>
#include <osg/StateSet>
+#include <osg/Stencil>
#include <osg/TexEnv>
#include <osg/Texture1D>
#include <osg/Texture2D>
#include <osgDB/ReadFile>
#include <osgDB/Registry>
+#include <simgear/scene/util/SGReaderWriterOptions.hxx>
#include <simgear/scene/tgdb/userdata.hxx>
+#include <simgear/scene/util/OsgMath.hxx>
#include <simgear/scene/util/SGSceneFeatures.hxx>
#include <simgear/scene/util/StateAttributeFactory.hxx>
#include <simgear/structure/OSGUtils.hxx>
#include <simgear/structure/SGExpression.hxx>
-
+#include <simgear/props/vectorPropTemplates.hxx>
namespace simgear
using namespace effect;
Effect::Effect()
+ : _cache(0), _isRealized(false)
{
}
Effect::Effect(const Effect& rhs, const CopyOp& copyop)
- : root(rhs.root), parametersProp(rhs.parametersProp)
+ : osg::Object(rhs,copyop), root(rhs.root), parametersProp(rhs.parametersProp), _cache(0),
+ _isRealized(rhs._isRealized)
{
- using namespace boost;
- transform(rhs.techniques.begin(), rhs.techniques.end(),
- back_inserter(techniques),
- bind(simgear::clone_ref<Technique>, _1, copyop));
+ typedef vector<ref_ptr<Technique> > TechniqueList;
+ for (TechniqueList::const_iterator itr = rhs.techniques.begin(),
+ end = rhs.techniques.end();
+ itr != end;
+ ++itr)
+ techniques.push_back(static_cast<Technique*>(copyop(itr->get())));
+
+ generator = rhs.generator;
}
// Assume that the last technique is always valid.
return pass;
}
+int Effect::getGenerator(Effect::Generator what) const
+{
+ std::map<Generator,int>::const_iterator it = generator.find(what);
+ if(it == generator.end()) return -1;
+ else return it->second;
+}
+
// There should always be a valid technique in an effect.
Technique* Effect::chooseTechnique(RenderInfo* info)
Effect::~Effect()
{
+ delete _cache;
}
-class PassAttributeBuilder : public Referenced
-{
-public:
- virtual void buildAttribute(Effect* effect, Pass* pass,
- const SGPropertyNode* prop,
- const osgDB::ReaderWriter::Options* options)
- = 0;
-};
-
-typedef map<const string, ref_ptr<PassAttributeBuilder> > PassAttrMap;
-PassAttrMap passAttrMap;
-
-template<typename T>
-struct InstallAttributeBuilder
-{
- InstallAttributeBuilder(const string& name)
- {
- passAttrMap.insert(make_pair(name, new T));
- }
-};
-
void buildPass(Effect* effect, Technique* tniq, const SGPropertyNode* prop,
- const osgDB::ReaderWriter::Options* options)
+ const SGReaderWriterOptions* options)
{
Pass* pass = new Pass;
tniq->passes.push_back(pass);
for (int i = 0; i < prop->nChildren(); ++i) {
const SGPropertyNode* attrProp = prop->getChild(i);
- PassAttrMap::iterator itr = passAttrMap.find(attrProp->getName());
- if (itr != passAttrMap.end())
- itr->second->buildAttribute(effect, pass, attrProp, options);
+ PassAttributeBuilder* builder
+ = PassAttributeBuilder::find(attrProp->getNameString());
+ if (builder)
+ builder->buildAttribute(effect, pass, attrProp, options);
else
SG_LOG(SG_INPUT, SG_ALERT,
"skipping unknown pass attribute " << attrProp->getName());
}
}
+// Default names for vector property components
+const char* vec3Names[] = {"x", "y", "z"};
+const char* vec4Names[] = {"x", "y", "z", "w"};
+
osg::Vec4f getColor(const SGPropertyNode* prop)
{
if (prop->nChildren() == 0) {
struct LightingBuilder : public PassAttributeBuilder
{
void buildAttribute(Effect* effect, Pass* pass, const SGPropertyNode* prop,
- const osgDB::ReaderWriter::Options* options);
+ const SGReaderWriterOptions* options);
};
void LightingBuilder::buildAttribute(Effect* effect, Pass* pass,
const SGPropertyNode* prop,
- const osgDB::ReaderWriter::Options* options)
+ const SGReaderWriterOptions* options)
{
const SGPropertyNode* realProp = getEffectPropertyNode(effect, prop);
if (!realProp)
struct ShadeModelBuilder : public PassAttributeBuilder
{
void buildAttribute(Effect* effect, Pass* pass, const SGPropertyNode* prop,
- const osgDB::ReaderWriter::Options* options)
+ const SGReaderWriterOptions* options)
{
const SGPropertyNode* realProp = getEffectPropertyNode(effect, prop);
if (!realProp)
struct CullFaceBuilder : PassAttributeBuilder
{
void buildAttribute(Effect* effect, Pass* pass, const SGPropertyNode* prop,
- const osgDB::ReaderWriter::Options* options)
+ const SGReaderWriterOptions* options)
{
const SGPropertyNode* realProp = getEffectPropertyNode(effect, prop);
if (!realProp) {
InstallAttributeBuilder<CullFaceBuilder> installCullFace("cull-face");
+struct ColorMaskBuilder : PassAttributeBuilder
+{
+ void buildAttribute(Effect* effect, Pass* pass, const SGPropertyNode* prop,
+ const SGReaderWriterOptions* options)
+ {
+ const SGPropertyNode* realProp = getEffectPropertyNode(effect, prop);
+ if (!realProp)
+ return;
+
+ ColorMask *mask = new ColorMask;
+ Vec4 m = getColor(realProp);
+ mask->setMask(m.r() > 0.0, m.g() > 0.0, m.b() > 0.0, m.a() > 0.0);
+ pass->setAttributeAndModes(mask);
+ }
+};
+
+InstallAttributeBuilder<ColorMaskBuilder> installColorMask("color-mask");
+
+EffectNameValue<StateSet::RenderingHint> renderingHintInit[] =
+{
+ { "default", StateSet::DEFAULT_BIN },
+ { "opaque", StateSet::OPAQUE_BIN },
+ { "transparent", StateSet::TRANSPARENT_BIN }
+};
+
+EffectPropertyMap<StateSet::RenderingHint> renderingHints(renderingHintInit);
+
struct HintBuilder : public PassAttributeBuilder
{
void buildAttribute(Effect* effect, Pass* pass, const SGPropertyNode* prop,
- const osgDB::ReaderWriter::Options* options)
+ const SGReaderWriterOptions* options)
{
const SGPropertyNode* realProp = getEffectPropertyNode(effect, prop);
if (!realProp)
return;
- string propVal = realProp->getStringValue();
- if (propVal == "opaque")
- pass->setRenderingHint(StateSet::OPAQUE_BIN);
- else if (propVal == "transparent")
- pass->setRenderingHint(StateSet::TRANSPARENT_BIN);
+ StateSet::RenderingHint renderingHint = StateSet::DEFAULT_BIN;
+ findAttr(renderingHints, realProp, renderingHint);
+ pass->setRenderingHint(renderingHint);
}
};
struct RenderBinBuilder : public PassAttributeBuilder
{
void buildAttribute(Effect* effect, Pass* pass, const SGPropertyNode* prop,
- const osgDB::ReaderWriter::Options* options)
+ const SGReaderWriterOptions* options)
{
+ if (!isAttributeActive(effect, prop))
+ return;
const SGPropertyNode* binProp = prop->getChild("bin-number");
binProp = getEffectPropertyNode(effect, binProp);
const SGPropertyNode* nameProp = prop->getChild("bin-name");
struct MaterialBuilder : public PassAttributeBuilder
{
void buildAttribute(Effect* effect, Pass* pass, const SGPropertyNode* prop,
- const osgDB::ReaderWriter::Options* options);
+ const SGReaderWriterOptions* options);
};
EffectNameValue<Material::ColorMode> colorModeInit[] =
void MaterialBuilder::buildAttribute(Effect* effect, Pass* pass,
const SGPropertyNode* prop,
- const osgDB::ReaderWriter::Options* options)
+ const SGReaderWriterOptions* options)
{
+ if (!isAttributeActive(effect, prop))
+ return;
Material* mat = new Material;
const SGPropertyNode* color = 0;
if ((color = getEffectPropertyChild(effect, prop, "ambient")))
struct BlendBuilder : public PassAttributeBuilder
{
void buildAttribute(Effect* effect, Pass* pass, const SGPropertyNode* prop,
- const osgDB::ReaderWriter::Options* options)
+ const SGReaderWriterOptions* options)
{
+ if (!isAttributeActive(effect, prop))
+ return;
// XXX Compatibility with early <blend> syntax; should go away
// before a release
const SGPropertyNode* realProp = getEffectPropertyNode(effect, prop);
pass->setMode(GL_BLEND, StateAttribute::OFF);
return;
}
- const SGPropertyNode* psource = getEffectPropertyChild(effect, prop,
- "source");
+ const SGPropertyNode* psource
+ = getEffectPropertyChild(effect, prop, "source");
const SGPropertyNode* pdestination
= getEffectPropertyChild(effect, prop, "destination");
const SGPropertyNode* psourceRGB
InstallAttributeBuilder<BlendBuilder> installBlend("blend");
+
+EffectNameValue<Stencil::Function> stencilFunctionInit[] =
+{
+ {"never", Stencil::NEVER },
+ {"less", Stencil::LESS},
+ {"equal", Stencil::EQUAL},
+ {"less-or-equal", Stencil::LEQUAL},
+ {"greater", Stencil::GREATER},
+ {"not-equal", Stencil::NOTEQUAL},
+ {"greater-or-equal", Stencil::GEQUAL},
+ {"always", Stencil::ALWAYS}
+};
+
+EffectPropertyMap<Stencil::Function> stencilFunction(stencilFunctionInit);
+
+EffectNameValue<Stencil::Operation> stencilOperationInit[] =
+{
+ {"keep", Stencil::KEEP},
+ {"zero", Stencil::ZERO},
+ {"replace", Stencil::REPLACE},
+ {"increase", Stencil::INCR},
+ {"decrease", Stencil::DECR},
+ {"invert", Stencil::INVERT},
+ {"increase-wrap", Stencil::INCR_WRAP},
+ {"decrease-wrap", Stencil::DECR_WRAP}
+};
+
+EffectPropertyMap<Stencil::Operation> stencilOperation(stencilOperationInit);
+
+struct StencilBuilder : public PassAttributeBuilder
+{
+ void buildAttribute(Effect* effect, Pass* pass, const SGPropertyNode* prop,
+ const SGReaderWriterOptions* options)
+ {
+ if (!isAttributeActive(effect, prop))
+ return;
+
+ const SGPropertyNode* pmode = getEffectPropertyChild(effect, prop,
+ "mode");
+ if (pmode && !pmode->getValue<bool>()) {
+ pass->setMode(GL_STENCIL, StateAttribute::OFF);
+ return;
+ }
+ const SGPropertyNode* pfunction
+ = getEffectPropertyChild(effect, prop, "function");
+ const SGPropertyNode* pvalue
+ = getEffectPropertyChild(effect, prop, "value");
+ const SGPropertyNode* pmask
+ = getEffectPropertyChild(effect, prop, "mask");
+ const SGPropertyNode* psfail
+ = getEffectPropertyChild(effect, prop, "stencil-fail");
+ const SGPropertyNode* pzfail
+ = getEffectPropertyChild(effect, prop, "z-fail");
+ const SGPropertyNode* ppass
+ = getEffectPropertyChild(effect, prop, "pass");
+
+ Stencil::Function func = Stencil::ALWAYS; // Always pass
+ int ref = 0;
+ unsigned int mask = ~0u; // All bits on
+ Stencil::Operation sfailop = Stencil::KEEP; // Keep the old values as default
+ Stencil::Operation zfailop = Stencil::KEEP;
+ Stencil::Operation passop = Stencil::KEEP;
+
+ ref_ptr<Stencil> stencilFunc = new Stencil;
+
+ if (pfunction)
+ findAttr(stencilFunction, pfunction, func);
+ if (pvalue)
+ ref = pvalue->getIntValue();
+ if (pmask)
+ mask = pmask->getIntValue();
+
+ if (psfail)
+ findAttr(stencilOperation, psfail, sfailop);
+ if (pzfail)
+ findAttr(stencilOperation, pzfail, zfailop);
+ if (ppass)
+ findAttr(stencilOperation, ppass, passop);
+
+ // Set the stencil operation
+ stencilFunc->setFunction(func, ref, mask);
+
+ // Set the operation, s-fail, s-pass/z-fail, s-pass/z-pass
+ stencilFunc->setOperation(sfailop, zfailop, passop);
+
+ // Add the operation to pass
+ pass->setAttributeAndModes(stencilFunc.get());
+ }
+};
+
+InstallAttributeBuilder<StencilBuilder> installStencil("stencil");
+
+
EffectNameValue<AlphaFunc::ComparisonFunction> alphaComparisonInit[] =
{
{"never", AlphaFunc::NEVER},
struct AlphaTestBuilder : public PassAttributeBuilder
{
void buildAttribute(Effect* effect, Pass* pass, const SGPropertyNode* prop,
- const osgDB::ReaderWriter::Options* options)
+ const SGReaderWriterOptions* options)
{
+ if (!isAttributeActive(effect, prop))
+ return;
// XXX Compatibility with early <alpha-test> syntax; should go away
// before a release
const SGPropertyNode* realProp = getEffectPropertyNode(effect, prop);
InstallAttributeBuilder<AlphaTestBuilder> installAlphaTest("alpha-test");
-EffectNameValue<TexEnv::Mode> texEnvModesInit[] =
-{
- {"add", TexEnv::ADD},
- {"blend", TexEnv::BLEND},
- {"decal", TexEnv::DECAL},
- {"modulate", TexEnv::MODULATE},
- {"replace", TexEnv::REPLACE}
-};
-EffectPropertyMap<TexEnv::Mode> texEnvModes(texEnvModesInit);
+InstallAttributeBuilder<TextureUnitBuilder> textureUnitBuilder("texture-unit");
-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;
- }
+// Shader key, used both for shaders with relative and absolute names
+typedef pair<string, int> ShaderKey;
+inline ShaderKey makeShaderKey(SGPropertyNode_ptr& ptr, int shaderType)
+{
+ return ShaderKey(ptr->getStringValue(), shaderType);
+}
-struct TextureUnitBuilder : PassAttributeBuilder
+struct ProgramKey
{
- void buildAttribute(Effect* effect, Pass* pass, const SGPropertyNode* prop,
- const osgDB::ReaderWriter::Options* options);
+ typedef pair<string, int> AttribKey;
+ osgDB::FilePathList paths;
+ vector<ShaderKey> shaders;
+ vector<AttribKey> attributes;
+ struct EqualTo
+ {
+ bool operator()(const ProgramKey& lhs, const ProgramKey& rhs) const
+ {
+ return (lhs.paths.size() == rhs.paths.size()
+ && equal(lhs.paths.begin(), lhs.paths.end(),
+ rhs.paths.begin())
+ && lhs.shaders.size() == rhs.shaders.size()
+ && equal (lhs.shaders.begin(), lhs.shaders.end(),
+ rhs.shaders.begin())
+ && lhs.attributes.size() == rhs.attributes.size()
+ && equal(lhs.attributes.begin(), lhs.attributes.end(),
+ rhs.attributes.begin()));
+ }
+ };
};
-void TextureUnitBuilder::buildAttribute(Effect* effect, Pass* pass,
- const SGPropertyNode* prop,
- const osgDB::ReaderWriter::Options* options)
+size_t hash_value(const ProgramKey& key)
{
-
- // 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 = prop->getChild("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, "No image file for texture, using white ");
- 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);
- }
+ size_t seed = 0;
+ boost::hash_range(seed, key.paths.begin(), key.paths.end());
+ boost::hash_range(seed, key.shaders.begin(), key.shaders.end());
+ boost::hash_range(seed, key.attributes.begin(), key.attributes.end());
+ return seed;
}
+// XXX Should these be protected by a mutex? Probably
-
-InstallAttributeBuilder<TextureUnitBuilder> textureUnitBuilder("texture-unit");
-
-typedef map<string, ref_ptr<Program> > ProgramMap;
+typedef tr1::unordered_map<ProgramKey, ref_ptr<Program>,
+ boost::hash<ProgramKey>, ProgramKey::EqualTo>
+ProgramMap;
ProgramMap programMap;
+ProgramMap resolvedProgramMap; // map with resolved shader file names
-typedef map<string, ref_ptr<Shader> > ShaderMap;
+typedef tr1::unordered_map<ShaderKey, ref_ptr<Shader>, boost::hash<ShaderKey> >
+ShaderMap;
ShaderMap shaderMap;
void reload_shaders()
{
for(ShaderMap::iterator sitr = shaderMap.begin(); sitr != shaderMap.end(); ++sitr)
{
- Shader *shader = sitr->second.get();
- string fileName = osgDB::findDataFile(sitr->first);
+ Shader *shader = sitr->second.get();
+ string fileName = SGModelLib::findDataFile(sitr->first.first);
if (!fileName.empty()) {
- shader->loadShaderSourceFromFile(fileName);
+ shader->loadShaderSourceFromFile(fileName);
}
}
}
struct ShaderProgramBuilder : PassAttributeBuilder
{
void buildAttribute(Effect* effect, Pass* pass, const SGPropertyNode* prop,
- const osgDB::ReaderWriter::Options* options);
+ const SGReaderWriterOptions* options);
+};
+
+
+EffectNameValue<GLint> geometryInputTypeInit[] =
+{
+ {"points", GL_POINTS},
+ {"lines", GL_LINES},
+ {"lines-adjacency", GL_LINES_ADJACENCY_EXT},
+ {"triangles", GL_TRIANGLES},
+ {"triangles-adjacency", GL_TRIANGLES_ADJACENCY_EXT},
};
+EffectPropertyMap<GLint>
+geometryInputType(geometryInputTypeInit);
+
+
+EffectNameValue<GLint> geometryOutputTypeInit[] =
+{
+ {"points", GL_POINTS},
+ {"line-strip", GL_LINE_STRIP},
+ {"triangle-strip", GL_TRIANGLE_STRIP}
+};
+EffectPropertyMap<GLint>
+geometryOutputType(geometryOutputTypeInit);
void ShaderProgramBuilder::buildAttribute(Effect* effect, Pass* pass,
const SGPropertyNode* prop,
- const osgDB::ReaderWriter::Options*
+ const SGReaderWriterOptions*
options)
{
+ using namespace boost;
+ if (!isAttributeActive(effect, prop))
+ return;
PropertyList pVertShaders = prop->getChildren("vertex-shader");
+ PropertyList pGeomShaders = prop->getChildren("geometry-shader");
PropertyList pFragShaders = prop->getChildren("fragment-shader");
- string programKey;
- for (PropertyList::iterator itr = pVertShaders.begin(),
- e = pVertShaders.end();
- itr != e;
- ++itr)
- {
- programKey += (*itr)->getStringValue();
- programKey += ";";
- }
- for (PropertyList::iterator itr = pFragShaders.begin(),
- e = pFragShaders.end();
+ PropertyList pAttributes = prop->getChildren("attribute");
+ ProgramKey prgKey;
+ std::back_insert_iterator<vector<ShaderKey> > inserter(prgKey.shaders);
+ transform(pVertShaders.begin(), pVertShaders.end(), inserter,
+ boost::bind(makeShaderKey, _1, Shader::VERTEX));
+ transform(pGeomShaders.begin(), pGeomShaders.end(), inserter,
+ boost::bind(makeShaderKey, _1, Shader::GEOMETRY));
+ transform(pFragShaders.begin(), pFragShaders.end(), inserter,
+ boost::bind(makeShaderKey, _1, Shader::FRAGMENT));
+ for (PropertyList::iterator itr = pAttributes.begin(),
+ e = pAttributes.end();
itr != e;
- ++itr)
- {
- programKey += (*itr)->getStringValue();
- programKey += ";";
+ ++itr) {
+ const SGPropertyNode* pName = getEffectPropertyChild(effect, *itr,
+ "name");
+ const SGPropertyNode* pIndex = getEffectPropertyChild(effect, *itr,
+ "index");
+ if (!pName || ! pIndex)
+ throw BuilderException("malformed attribute property");
+ prgKey.attributes
+ .push_back(ProgramKey::AttribKey(pName->getStringValue(),
+ pIndex->getValue<int>()));
}
+ if (options)
+ prgKey.paths = options->getDatabasePathList();
Program* program = 0;
- ProgramMap::iterator pitr = programMap.find(programKey);
+ ProgramMap::iterator pitr = programMap.find(prgKey);
if (pitr != programMap.end()) {
program = pitr->second.get();
- } else {
- program = new Program;
- program->setName(programKey);
- // Add vertex shaders, then fragment shaders
- PropertyList& pvec = pVertShaders;
- Shader::Type stype = Shader::VERTEX;
- for (int i = 0; i < 2; ++i) {
- for (PropertyList::iterator nameItr = pvec.begin(), e = pvec.end();
- nameItr != e;
- ++nameItr) {
- string shaderName = (*nameItr)->getStringValue();
- ShaderMap::iterator sitr = shaderMap.find(shaderName);
- if (sitr != shaderMap.end()) {
- program->addShader(sitr->second.get());
- } else {
- string fileName = osgDB::findDataFile(shaderName, options);
- if (!fileName.empty()) {
- ref_ptr<Shader> shader = new Shader(stype);
- if (shader->loadShaderSourceFromFile(fileName)) {
- program->addShader(shader.get());
- shaderMap.insert(make_pair(shaderName, shader));
- }
- }
- }
+ pass->setAttributeAndModes(program);
+ return;
+ }
+ // The program wasn't in the map using the load path passed in with
+ // the options, but it might have already been loaded using a
+ // different load path i.e., its shaders were found in the fg data
+ // directory. So, resolve the shaders' file names and look in the
+ // resolvedProgramMap for a program using those shaders.
+ ProgramKey resolvedKey;
+ resolvedKey.attributes = prgKey.attributes;
+ BOOST_FOREACH(const ShaderKey& shaderKey, prgKey.shaders)
+ {
+ const string& shaderName = shaderKey.first;
+ Shader::Type stype = (Shader::Type)shaderKey.second;
+ string fileName = SGModelLib::findDataFile(shaderName, options);
+ if (fileName.empty())
+ throw BuilderException(string("couldn't find shader ") +
+ shaderName);
+ resolvedKey.shaders.push_back(ShaderKey(fileName, stype));
+ }
+ ProgramMap::iterator resitr = resolvedProgramMap.find(resolvedKey);
+ if (resitr != resolvedProgramMap.end()) {
+ program = resitr->second.get();
+ programMap.insert(ProgramMap::value_type(prgKey, program));
+ pass->setAttributeAndModes(program);
+ return;
+ }
+ program = new Program;
+ BOOST_FOREACH(const ShaderKey& skey, resolvedKey.shaders)
+ {
+ const string& fileName = skey.first;
+ Shader::Type stype = (Shader::Type)skey.second;
+ ShaderMap::iterator sitr = shaderMap.find(skey);
+ if (sitr != shaderMap.end()) {
+ program->addShader(sitr->second.get());
+ } else {
+ ref_ptr<Shader> shader = new Shader(stype);
+ shader->setName(fileName);
+ if (shader->loadShaderSourceFromFile(fileName)) {
+ program->addShader(shader.get());
+ shaderMap.insert(ShaderMap::value_type(skey, shader));
}
- pvec = pFragShaders;
- stype = Shader::FRAGMENT;
}
- programMap.insert(make_pair(programKey, program));
}
+ BOOST_FOREACH(const ProgramKey::AttribKey& key, prgKey.attributes) {
+ program->addBindAttribLocation(key.first, key.second);
+ }
+ const SGPropertyNode* pGeometryVerticesOut
+ = getEffectPropertyChild(effect, prop, "geometry-vertices-out");
+ if (pGeometryVerticesOut)
+ program->setParameter(GL_GEOMETRY_VERTICES_OUT_EXT,
+ pGeometryVerticesOut->getIntValue());
+ const SGPropertyNode* pGeometryInputType
+ = getEffectPropertyChild(effect, prop, "geometry-input-type");
+ if (pGeometryInputType) {
+ GLint type;
+ findAttr(geometryInputType, pGeometryInputType->getStringValue(), type);
+ program->setParameter(GL_GEOMETRY_INPUT_TYPE_EXT, type);
+ }
+ const SGPropertyNode* pGeometryOutputType
+ = getEffectPropertyChild(effect, prop, "geometry-output-type");
+ if (pGeometryOutputType) {
+ GLint type;
+ findAttr(geometryOutputType, pGeometryOutputType->getStringValue(),
+ type);
+ program->setParameter(GL_GEOMETRY_OUTPUT_TYPE_EXT, type);
+ }
+ programMap.insert(ProgramMap::value_type(prgKey, program));
+ resolvedProgramMap.insert(ProgramMap::value_type(resolvedKey, program));
pass->setAttributeAndModes(program);
}
EffectNameValue<Uniform::Type> uniformTypesInit[] =
{
+ {"bool", Uniform::BOOL},
+ {"int", Uniform::INT},
{"float", Uniform::FLOAT},
{"float-vec3", Uniform::FLOAT_VEC3},
{"float-vec4", Uniform::FLOAT_VEC4},
{"sampler-1d", Uniform::SAMPLER_1D},
+ {"sampler-1d-shadow", Uniform::SAMPLER_1D_SHADOW},
{"sampler-2d", Uniform::SAMPLER_2D},
- {"sampler-3d", Uniform::SAMPLER_3D}
+ {"sampler-2d-shadow", Uniform::SAMPLER_2D_SHADOW},
+ {"sampler-3d", Uniform::SAMPLER_3D},
+ {"sampler-cube", Uniform::SAMPLER_CUBE}
};
EffectPropertyMap<Uniform::Type> uniformTypes(uniformTypesInit);
+// Optimization hack for common uniforms.
+// XXX protect these with a mutex?
+
+ref_ptr<Uniform> texture0;
+ref_ptr<Uniform> colorMode[3];
+
struct UniformBuilder :public PassAttributeBuilder
{
void buildAttribute(Effect* effect, Pass* pass, const SGPropertyNode* prop,
- const osgDB::ReaderWriter::Options* options)
+ const SGReaderWriterOptions* options)
{
+ if (!texture0.valid()) {
+ texture0 = new Uniform(Uniform::SAMPLER_2D, "texture");
+ texture0->set(0);
+ texture0->setDataVariance(Object::STATIC);
+ for (int i = 0; i < 3; ++i) {
+ colorMode[i] = new Uniform(Uniform::INT, "colorMode");
+ colorMode[i]->set(i);
+ colorMode[i]->setDataVariance(Object::STATIC);
+ }
+ }
+ if (!isAttributeActive(effect, prop))
+ return;
const SGPropertyNode* nameProp = prop->getChild("name");
const SGPropertyNode* typeProp = prop->getChild("type");
- const SGPropertyNode* valProp
- = getEffectPropertyChild(effect, prop, "value");
+ const SGPropertyNode* positionedProp = prop->getChild("positioned");
+ const SGPropertyNode* valProp = prop->getChild("value");
string name;
Uniform::Type uniformType = Uniform::FLOAT;
if (nameProp) {
if (!typeProp) {
props::Type propType = valProp->getType();
switch (propType) {
+ case props::BOOL:
+ uniformType = Uniform::BOOL;
+ break;
+ case props::INT:
+ uniformType = Uniform::INT;
+ break;
case props::FLOAT:
case props::DOUBLE:
break; // default float type;
uniform->setName(name);
uniform->setType(uniformType);
switch (uniformType) {
+ case Uniform::BOOL:
+ initFromParameters(effect, valProp, uniform.get(),
+ static_cast<bool (Uniform::*)(bool)>(&Uniform::set),
+ options);
+ break;
case Uniform::FLOAT:
- uniform->set(valProp->getValue<float>());
+ initFromParameters(effect, valProp, uniform.get(),
+ static_cast<bool (Uniform::*)(float)>(&Uniform::set),
+ options);
break;
case Uniform::FLOAT_VEC3:
- uniform->set(toOsg(valProp->getValue<SGVec3d>()));
+ initFromParameters(effect, valProp, uniform.get(),
+ static_cast<bool (Uniform::*)(const Vec3&)>(&Uniform::set),
+ vec3Names, options);
break;
case Uniform::FLOAT_VEC4:
- uniform->set(toOsg(valProp->getValue<SGVec4d>()));
+ initFromParameters(effect, valProp, uniform.get(),
+ static_cast<bool (Uniform::*)(const Vec4&)>(&Uniform::set),
+ vec4Names, options);
break;
+ case Uniform::INT:
case Uniform::SAMPLER_1D:
case Uniform::SAMPLER_2D:
case Uniform::SAMPLER_3D:
- uniform->set(valProp->getValue<int>());
+ case Uniform::SAMPLER_1D_SHADOW:
+ case Uniform::SAMPLER_2D_SHADOW:
+ case Uniform::SAMPLER_CUBE:
+ initFromParameters(effect, valProp, uniform.get(),
+ static_cast<bool (Uniform::*)(int)>(&Uniform::set),
+ options);
break;
default: // avoid compiler warning
break;
}
+ // optimize common uniforms
+ if (uniformType == Uniform::SAMPLER_2D || uniformType == Uniform::INT)
+ {
+ int val = 0;
+ uniform->get(val); // 'val' remains unchanged in case of error (Uniform is a non-scalar)
+ if (uniformType == Uniform::SAMPLER_2D && val == 0
+ && name == "texture") {
+ uniform = texture0;
+ } else if (uniformType == Uniform::INT && val >= 0 && val < 3
+ && name == "colorMode") {
+ uniform = colorMode[val];
+ }
+ }
pass->addUniform(uniform.get());
+ if (positionedProp && positionedProp->getBoolValue() && uniformType == Uniform::FLOAT_VEC4) {
+ osg::Vec4 offset;
+ uniform->get(offset);
+ pass->addPositionedUniform( name, offset );
+ }
}
};
struct NameBuilder : public PassAttributeBuilder
{
void buildAttribute(Effect* effect, Pass* pass, const SGPropertyNode* prop,
- const osgDB::ReaderWriter::Options* options)
+ const SGReaderWriterOptions* options)
{
// name can't use <use>
string name = prop->getStringValue();
struct PolygonModeBuilder : public PassAttributeBuilder
{
void buildAttribute(Effect* effect, Pass* pass, const SGPropertyNode* prop,
- const osgDB::ReaderWriter::Options* options)
+ const SGReaderWriterOptions* options)
{
+ if (!isAttributeActive(effect, prop))
+ return;
const SGPropertyNode* frontProp
= getEffectPropertyChild(effect, prop, "front");
const SGPropertyNode* backProp
};
InstallAttributeBuilder<PolygonModeBuilder> installPolygonMode("polygon-mode");
+
+struct PolygonOffsetBuilder : public PassAttributeBuilder
+{
+ void buildAttribute(Effect* effect, Pass* pass, const SGPropertyNode* prop,
+ const SGReaderWriterOptions* options)
+ {
+ if (!isAttributeActive(effect, prop))
+ return;
+
+ const SGPropertyNode* factor
+ = getEffectPropertyChild(effect, prop, "factor");
+ const SGPropertyNode* units
+ = getEffectPropertyChild(effect, prop, "units");
+
+ ref_ptr<PolygonOffset> polyoffset = new PolygonOffset;
+
+ polyoffset->setFactor(factor->getFloatValue());
+ polyoffset->setUnits(units->getFloatValue());
+
+ SG_LOG(SG_INPUT, SG_BULK,
+ "Set PolygonOffset to " << polyoffset->getFactor() << polyoffset->getUnits() );
+
+ pass->setAttributeAndModes(polyoffset.get(),
+ StateAttribute::OVERRIDE|StateAttribute::ON);
+ }
+};
+
+InstallAttributeBuilder<PolygonOffsetBuilder> installPolygonOffset("polygon-offset");
+
+struct VertexProgramTwoSideBuilder : public PassAttributeBuilder
+{
+ void buildAttribute(Effect* effect, Pass* pass, const SGPropertyNode* prop,
+ const SGReaderWriterOptions* options)
+ {
+ const SGPropertyNode* realProp = getEffectPropertyNode(effect, prop);
+ if (!realProp)
+ return;
+ pass->setMode(GL_VERTEX_PROGRAM_TWO_SIDE,
+ (realProp->getValue<bool>()
+ ? StateAttribute::ON : StateAttribute::OFF));
+ }
+};
+
+InstallAttributeBuilder<VertexProgramTwoSideBuilder>
+installTwoSide("vertex-program-two-side");
+
+struct VertexProgramPointSizeBuilder : public PassAttributeBuilder
+{
+ void buildAttribute(Effect* effect, Pass* pass, const SGPropertyNode* prop,
+ const SGReaderWriterOptions* options)
+ {
+ const SGPropertyNode* realProp = getEffectPropertyNode(effect, prop);
+ if (!realProp)
+ return;
+ pass->setMode(GL_VERTEX_PROGRAM_POINT_SIZE,
+ (realProp->getValue<bool>()
+ ? StateAttribute::ON : StateAttribute::OFF));
+ }
+};
+
+InstallAttributeBuilder<VertexProgramPointSizeBuilder>
+installPointSize("vertex-program-point-size");
+
+EffectNameValue<Depth::Function> depthFunctionInit[] =
+{
+ {"never", Depth::NEVER},
+ {"less", Depth::LESS},
+ {"equal", Depth::EQUAL},
+ {"lequal", Depth::LEQUAL},
+ {"greater", Depth::GREATER},
+ {"notequal", Depth::NOTEQUAL},
+ {"gequal", Depth::GEQUAL},
+ {"always", Depth::ALWAYS}
+};
+EffectPropertyMap<Depth::Function> depthFunction(depthFunctionInit);
+
+struct DepthBuilder : public PassAttributeBuilder
+{
+ void buildAttribute(Effect* effect, Pass* pass, const SGPropertyNode* prop,
+ const SGReaderWriterOptions* options)
+ {
+ if (!isAttributeActive(effect, prop))
+ return;
+ ref_ptr<Depth> depth = new Depth;
+ const SGPropertyNode* pfunc
+ = getEffectPropertyChild(effect, prop, "function");
+ if (pfunc) {
+ Depth::Function func = Depth::LESS;
+ findAttr(depthFunction, pfunc, func);
+ depth->setFunction(func);
+ }
+ const SGPropertyNode* pnear
+ = getEffectPropertyChild(effect, prop, "near");
+ if (pnear)
+ depth->setZNear(pnear->getValue<double>());
+ const SGPropertyNode* pfar
+ = getEffectPropertyChild(effect, prop, "far");
+ if (pfar)
+ depth->setZFar(pfar->getValue<double>());
+ const SGPropertyNode* pmask
+ = getEffectPropertyChild(effect, prop, "write-mask");
+ if (pmask)
+ depth->setWriteMask(pmask->getValue<bool>());
+ const SGPropertyNode* penabled
+ = getEffectPropertyChild(effect, prop, "enabled");
+ bool enabled = ( penabled == 0 || penabled->getBoolValue() );
+ pass->setAttributeAndModes(depth.get(), enabled ? osg::StateAttribute::ON : osg::StateAttribute::OFF);
+ }
+};
+
+InstallAttributeBuilder<DepthBuilder> installDepth("depth");
+
void buildTechnique(Effect* effect, const SGPropertyNode* prop,
- const osgDB::ReaderWriter::Options* options)
+ const SGReaderWriterOptions* options)
{
Technique* tniq = new Technique;
effect->techniques.push_back(tniq);
}
// Specifically for .ac files...
-bool makeParametersFromStateSet(SGPropertyNode* paramRoot, const StateSet* ss)
+bool makeParametersFromStateSet(SGPropertyNode* effectRoot, const StateSet* ss)
{
+ SGPropertyNode* paramRoot = makeChild(effectRoot, "parameters");
SGPropertyNode* matNode = paramRoot->getChild("material", 0, true);
Vec4f ambVal, difVal, specVal, emisVal;
float shininess = 0.0f;
specVal = mat->getSpecular(Material::FRONT_AND_BACK);
emisVal = mat->getEmission(Material::FRONT_AND_BACK);
shininess = mat->getShininess(Material::FRONT_AND_BACK);
+ makeChild(matNode, "active")->setValue(true);
+ makeChild(matNode, "ambient")->setValue(toVec4d(toSG(ambVal)));
+ makeChild(matNode, "diffuse")->setValue(toVec4d(toSG(difVal)));
+ makeChild(matNode, "specular")->setValue(toVec4d(toSG(specVal)));
+ makeChild(matNode, "emissive")->setValue(toVec4d(toSG(emisVal)));
+ makeChild(matNode, "shininess")->setValue(shininess);
+ matNode->getChild("color-mode", 0, true)->setStringValue("diffuse");
+ } else {
+ makeChild(matNode, "active")->setValue(false);
}
- matNode->getChild("ambient", 0, true)->setValue(toVec4d(toSG(ambVal)));
- matNode->getChild("diffuse", 0, true)->setValue(toVec4d(toSG(difVal)));
- matNode->getChild("specular", 0, true)->setValue(toVec4d(toSG(specVal)));
- matNode->getChild("emissive", 0, true)->setValue(toVec4d(toSG(emisVal)));
- matNode->getChild("shininess", 0, true)->setValue(shininess);
- matNode->getChild("color-mode", 0, true)->setStringValue("diffuse");
const ShadeModel* sm = getStateAttribute<ShadeModel>(ss);
string shadeModelString("smooth");
if (sm) {
if (smMode == ShadeModel::FLAT)
shadeModelString = "flat";
}
- paramRoot->getChild("shade-model", 0, true)
- ->setStringValue(shadeModelString);
+ makeChild(paramRoot, "shade-model")->setStringValue(shadeModelString);
string cullFaceString("off");
const CullFace* cullFace = getStateAttribute<CullFace>(ss);
if (cullFace) {
break;
}
}
- paramRoot->getChild("cull-face", 0, true)->setStringValue(cullFaceString);
+ makeChild(paramRoot, "cull-face")->setStringValue(cullFaceString);
+ // Macintosh ATI workaround
+ bool vertexTwoSide = cullFaceString == "off";
+ makeChild(paramRoot, "vertex-program-two-side")->setValue(vertexTwoSide);
const BlendFunc* blendFunc = getStateAttribute<BlendFunc>(ss);
+ SGPropertyNode* blendNode = makeChild(paramRoot, "blend");
if (blendFunc) {
string sourceMode = findName(blendFuncModes, blendFunc->getSource());
string destMode = findName(blendFuncModes, blendFunc->getDestination());
- SGPropertyNode* blendNode = paramRoot->getChild("blend", 0, true);
- blendNode->getChild("source", 0, true)->setStringValue(sourceMode);
- blendNode->getChild("destination", 0, true)->setStringValue(destMode);
- blendNode->getChild("mode", 0, true)->setValue(true);
+ makeChild(blendNode, "active")->setValue(true);
+ makeChild(blendNode, "source")->setStringValue(sourceMode);
+ makeChild(blendNode, "destination")->setStringValue(destMode);
+ makeChild(blendNode, "mode")->setValue(true);
+ } else {
+ makeChild(blendNode, "active")->setValue(false);
}
+ string renderingHint = findName(renderingHints, ss->getRenderingHint());
+ makeChild(paramRoot, "rendering-hint")->setStringValue(renderingHint);
makeTextureParameters(paramRoot, ss);
return true;
}
// Walk the techniques property tree, building techniques and
// passes.
-bool Effect::realizeTechniques(const osgDB::ReaderWriter::Options* options)
+bool Effect::realizeTechniques(const SGReaderWriterOptions* options)
{
+ if (_isRealized)
+ return true;
PropertyList tniqList = root->getChildren("technique");
for (PropertyList::iterator itr = tniqList.begin(), e = tniqList.end();
itr != e;
++itr)
buildTechnique(this, *itr, options);
+ _isRealized = true;
return true;
}
+void Effect::InitializeCallback::doUpdate(osg::Node* node, osg::NodeVisitor* nv)
+{
+ EffectGeode* eg = dynamic_cast<EffectGeode*>(node);
+ if (!eg)
+ return;
+ Effect* effect = eg->getEffect();
+ if (!effect)
+ return;
+ SGPropertyNode* root = getPropertyRoot();
+ for (vector<SGSharedPtr<Updater> >::iterator itr = effect->_extraData.begin(),
+ end = effect->_extraData.end();
+ itr != end;
+ ++itr) {
+ InitializeWhenAdded* adder
+ = dynamic_cast<InitializeWhenAdded*>(itr->ptr());
+ if (adder)
+ adder->initOnAdd(effect, root);
+ }
+}
+
+bool Effect::Key::EqualTo::operator()(const Effect::Key& lhs,
+ const Effect::Key& rhs) const
+{
+ if (lhs.paths.size() != rhs.paths.size()
+ || !equal(lhs.paths.begin(), lhs.paths.end(), rhs.paths.begin()))
+ return false;
+ if (lhs.unmerged.valid() && rhs.unmerged.valid())
+ return props::Compare()(lhs.unmerged, rhs.unmerged);
+ else
+ return lhs.unmerged == rhs.unmerged;
+}
+
+size_t hash_value(const Effect::Key& key)
+{
+ size_t seed = 0;
+ if (key.unmerged.valid())
+ boost::hash_combine(seed, *key.unmerged);
+ boost::hash_range(seed, key.paths.begin(), key.paths.end());
+ return seed;
+}
+
bool Effect_writeLocalData(const Object& obj, osgDB::Output& fw)
{
const Effect& effect = static_cast<const Effect&>(obj);
}
// Property expressions for technique predicates
-class PropertyExpression : public SGExpression<bool>
+template<typename T>
+class PropertyExpression : public SGExpression<T>
{
public:
PropertyExpression(SGPropertyNode* pnode) : _pnode(pnode) {}
- void eval(bool& value, const expression::Binding*) const
+ void eval(T& value, const expression::Binding*) const
{
- value = _pnode->getValue<bool>();
+ value = _pnode->getValue<T>();
}
protected:
SGPropertyNode_ptr _pnode;
void valueChanged(SGPropertyNode* node)
{
- _tniq->refreshValidity();
+ if (_tniq.valid())
+ _tniq->refreshValidity();
}
protected:
- osg::ref_ptr<Technique> _tniq;
+ osg::observer_ptr<Technique> _tniq;
};
+template<typename T>
Expression* propertyExpressionParser(const SGPropertyNode* exp,
expression::Parser* parser)
{
SGPropertyNode_ptr pnode = getPropertyRoot()->getNode(exp->getStringValue(),
true);
- PropertyExpression* pexp = new PropertyExpression(pnode);
+ PropertyExpression<T>* pexp = new PropertyExpression<T>(pnode);
TechniquePredParser* predParser
= dynamic_cast<TechniquePredParser*>(parser);
if (predParser)
}
expression::ExpParserRegistrar propertyRegistrar("property",
- propertyExpressionParser);
+ propertyExpressionParser<bool>);
+
+expression::ExpParserRegistrar propvalueRegistrar("float-property",
+ propertyExpressionParser<float>);
}
projects / simgear.git / blobdiff