#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/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/model/SGReaderWriterXMLOptions.hxx>
+#include <simgear/scene/tgdb/userdata.hxx>
#include <simgear/scene/util/SGSceneFeatures.hxx>
#include <simgear/scene/util/StateAttributeFactory.hxx>
#include <simgear/structure/OSGUtils.hxx>
using namespace osg;
using namespace osgUtil;
+using namespace effect;
+
Effect::Effect()
+ : _cache(0), _isRealized(false)
{
}
Effect::Effect(const Effect& rhs, const CopyOp& copyop)
- : root(rhs.root), parametersProp(rhs.parametersProp)
+ : 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())));
}
// Assume that the last technique is always valid.
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 SGReaderWriterXMLOptions* 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());
struct LightingBuilder : public PassAttributeBuilder
{
void buildAttribute(Effect* effect, Pass* pass, const SGPropertyNode* prop,
- const osgDB::ReaderWriter::Options* options);
+ const SGReaderWriterXMLOptions* options);
};
void LightingBuilder::buildAttribute(Effect* effect, Pass* pass,
const SGPropertyNode* prop,
- const osgDB::ReaderWriter::Options* options)
+ const SGReaderWriterXMLOptions* 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 SGReaderWriterXMLOptions* 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 SGReaderWriterXMLOptions* options)
{
const SGPropertyNode* realProp = getEffectPropertyNode(effect, prop);
- if (!realProp)
+ if (!realProp) {
+ pass->setMode(GL_CULL_FACE, StateAttribute::OFF);
return;
+ }
StateAttributeFactory *attrFact = StateAttributeFactory::instance();
string propVal = realProp->getStringValue();
if (propVal == "front")
pass->setAttributeAndModes(attrFact->getCullFaceBack());
else if (propVal == "front-back")
pass->setAttributeAndModes(new CullFace(CullFace::FRONT_AND_BACK));
+ else if (propVal == "off")
+ pass->setMode(GL_CULL_FACE, StateAttribute::OFF);
else
SG_LOG(SG_INPUT, SG_ALERT,
"invalid cull face property " << propVal);
InstallAttributeBuilder<CullFaceBuilder> installCullFace("cull-face");
+struct ColorMaskBuilder : PassAttributeBuilder
+{
+ void buildAttribute(Effect* effect, Pass* pass, const SGPropertyNode* prop,
+ const SGReaderWriterXMLOptions* options)
+ {
+ const SGPropertyNode* realProp = getEffectPropertyNode(effect, prop);
+ if (!realProp)
+ return;
+
+ ColorMask *mask = new ColorMask;
+ Vec4 m = getColor(realProp);
+ mask->setMask(m.r(), m.g(), m.b(), m.a());
+ 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 SGReaderWriterXMLOptions* 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 SGReaderWriterXMLOptions* 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 SGReaderWriterXMLOptions* options);
};
-EffectNameValue<Material::ColorMode> colorModes[] =
+EffectNameValue<Material::ColorMode> colorModeInit[] =
{
{ "ambient", Material::AMBIENT },
{ "ambient-and-diffuse", Material::AMBIENT_AND_DIFFUSE },
{ "specular", Material::SPECULAR },
{ "off", Material::OFF }
};
+EffectPropertyMap<Material::ColorMode> colorModes(colorModeInit);
void MaterialBuilder::buildAttribute(Effect* effect, Pass* pass,
const SGPropertyNode* prop,
- const osgDB::ReaderWriter::Options* options)
+ const SGReaderWriterXMLOptions* options)
{
+ if (!isAttributeActive(effect, prop))
+ return;
Material* mat = new Material;
const SGPropertyNode* color = 0;
if ((color = getEffectPropertyChild(effect, prop, "ambient")))
InstallAttributeBuilder<MaterialBuilder> installMaterial("material");
+EffectNameValue<BlendFunc::BlendFuncMode> blendFuncModesInit[] =
+{
+ {"dst-alpha", BlendFunc::DST_ALPHA},
+ {"dst-color", BlendFunc::DST_COLOR},
+ {"one", BlendFunc::ONE},
+ {"one-minus-dst-alpha", BlendFunc::ONE_MINUS_DST_ALPHA},
+ {"one-minus-dst-color", BlendFunc::ONE_MINUS_DST_COLOR},
+ {"one-minus-src-alpha", BlendFunc::ONE_MINUS_SRC_ALPHA},
+ {"one-minus-src-color", BlendFunc::ONE_MINUS_SRC_COLOR},
+ {"src-alpha", BlendFunc::SRC_ALPHA},
+ {"src-alpha-saturate", BlendFunc::SRC_ALPHA_SATURATE},
+ {"src-color", BlendFunc::SRC_COLOR},
+ {"constant-color", BlendFunc::CONSTANT_COLOR},
+ {"one-minus-constant-color", BlendFunc::ONE_MINUS_CONSTANT_COLOR},
+ {"constant-alpha", BlendFunc::CONSTANT_ALPHA},
+ {"one-minus-constant-alpha", BlendFunc::ONE_MINUS_CONSTANT_ALPHA},
+ {"zero", BlendFunc::ZERO}
+};
+EffectPropertyMap<BlendFunc::BlendFuncMode> blendFuncModes(blendFuncModesInit);
+
struct BlendBuilder : public PassAttributeBuilder
{
void buildAttribute(Effect* effect, Pass* pass, const SGPropertyNode* prop,
- const osgDB::ReaderWriter::Options* options)
+ const SGReaderWriterXMLOptions* options)
{
+ if (!isAttributeActive(effect, prop))
+ return;
+ // XXX Compatibility with early <blend> syntax; should go away
+ // before a release
const SGPropertyNode* realProp = getEffectPropertyNode(effect, prop);
if (!realProp)
return;
- pass->setMode(GL_BLEND, (realProp->getBoolValue()
- ? StateAttribute::ON
- : StateAttribute::OFF));
+ if (realProp->nChildren() == 0) {
+ pass->setMode(GL_BLEND, (realProp->getBoolValue()
+ ? StateAttribute::ON
+ : StateAttribute::OFF));
+ return;
+ }
+
+ const SGPropertyNode* pmode = getEffectPropertyChild(effect, prop,
+ "mode");
+ // XXX When dynamic parameters are supported, this code should
+ // create the blend function even if the mode is off.
+ if (pmode && !pmode->getValue<bool>()) {
+ pass->setMode(GL_BLEND, StateAttribute::OFF);
+ return;
+ }
+ const SGPropertyNode* psource
+ = getEffectPropertyChild(effect, prop, "source");
+ const SGPropertyNode* pdestination
+ = getEffectPropertyChild(effect, prop, "destination");
+ const SGPropertyNode* psourceRGB
+ = getEffectPropertyChild(effect, prop, "source-rgb");
+ const SGPropertyNode* psourceAlpha
+ = getEffectPropertyChild(effect, prop, "source-alpha");
+ const SGPropertyNode* pdestRGB
+ = getEffectPropertyChild(effect, prop, "destination-rgb");
+ const SGPropertyNode* pdestAlpha
+ = getEffectPropertyChild(effect, prop, "destination-alpha");
+ BlendFunc::BlendFuncMode sourceMode = BlendFunc::ONE;
+ BlendFunc::BlendFuncMode destMode = BlendFunc::ZERO;
+ if (psource)
+ findAttr(blendFuncModes, psource, sourceMode);
+ if (pdestination)
+ findAttr(blendFuncModes, pdestination, destMode);
+ if (psource && pdestination
+ && !(psourceRGB || psourceAlpha || pdestRGB || pdestAlpha)
+ && sourceMode == BlendFunc::SRC_ALPHA
+ && destMode == BlendFunc::ONE_MINUS_SRC_ALPHA) {
+ pass->setAttributeAndModes(StateAttributeFactory::instance()
+ ->getStandardBlendFunc());
+ return;
+ }
+ BlendFunc* blendFunc = new BlendFunc;
+ if (psource)
+ blendFunc->setSource(sourceMode);
+ if (pdestination)
+ blendFunc->setDestination(destMode);
+ if (psourceRGB) {
+ BlendFunc::BlendFuncMode sourceRGBMode;
+ findAttr(blendFuncModes, psourceRGB, sourceRGBMode);
+ blendFunc->setSourceRGB(sourceRGBMode);
+ }
+ if (pdestRGB) {
+ BlendFunc::BlendFuncMode destRGBMode;
+ findAttr(blendFuncModes, pdestRGB, destRGBMode);
+ blendFunc->setDestinationRGB(destRGBMode);
+ }
+ if (psourceAlpha) {
+ BlendFunc::BlendFuncMode sourceAlphaMode;
+ findAttr(blendFuncModes, psourceAlpha, sourceAlphaMode);
+ blendFunc->setSourceAlpha(sourceAlphaMode);
+ }
+ if (pdestAlpha) {
+ BlendFunc::BlendFuncMode destAlphaMode;
+ findAttr(blendFuncModes, pdestAlpha, destAlphaMode);
+ blendFunc->setDestinationAlpha(destAlphaMode);
+ }
+ pass->setAttributeAndModes(blendFunc);
}
};
InstallAttributeBuilder<BlendBuilder> installBlend("blend");
-struct AlphaTestBuilder : public PassAttributeBuilder
+
+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 osgDB::ReaderWriter::Options* options)
+ const SGReaderWriterXMLOptions* options)
{
- const SGPropertyNode* realProp = getEffectPropertyNode(effect, prop);
- if (!realProp)
+ if (!isAttributeActive(effect, prop))
return;
- pass->setMode(GL_ALPHA_TEST, (realProp->getBoolValue()
- ? StateAttribute::ON
- : StateAttribute::OFF));
+
+ 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<AlphaTestBuilder> installAlphaTest("alpha-test");
+InstallAttributeBuilder<StencilBuilder> installStencil("stencil");
+
-EffectNameValue<TexEnv::Mode> texEnvModes[] =
+EffectNameValue<AlphaFunc::ComparisonFunction> alphaComparisonInit[] =
{
- {"add", TexEnv::ADD},
- {"blend", TexEnv::BLEND},
- {"decal", TexEnv::DECAL},
- {"modulate", TexEnv::MODULATE},
- {"replace", TexEnv::REPLACE}
+ {"never", AlphaFunc::NEVER},
+ {"less", AlphaFunc::LESS},
+ {"equal", AlphaFunc::EQUAL},
+ {"lequal", AlphaFunc::LEQUAL},
+ {"greater", AlphaFunc::GREATER},
+ {"notequal", AlphaFunc::NOTEQUAL},
+ {"gequal", AlphaFunc::GEQUAL},
+ {"always", AlphaFunc::ALWAYS}
};
+EffectPropertyMap<AlphaFunc::ComparisonFunction>
+alphaComparison(alphaComparisonInit);
-TexEnv* buildTexEnv(Effect* effect, const SGPropertyNode* prop)
+struct AlphaTestBuilder : public PassAttributeBuilder
{
- 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();
+ void buildAttribute(Effect* effect, Pass* pass, const SGPropertyNode* prop,
+ const SGReaderWriterXMLOptions* 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);
+ if (!realProp)
+ return;
+ if (realProp->nChildren() == 0) {
+ pass->setMode(GL_ALPHA_TEST, (realProp->getBoolValue()
+ ? StateAttribute::ON
+ : StateAttribute::OFF));
+ return;
+ }
+
+ const SGPropertyNode* pmode = getEffectPropertyChild(effect, prop,
+ "mode");
+ // XXX When dynamic parameters are supported, this code should
+ // create the blend function even if the mode is off.
+ if (pmode && !pmode->getValue<bool>()) {
+ pass->setMode(GL_ALPHA_TEST, StateAttribute::OFF);
+ return;
+ }
+ const SGPropertyNode* pComp = getEffectPropertyChild(effect, prop,
+ "comparison");
+ const SGPropertyNode* pRef = getEffectPropertyChild(effect, prop,
+ "reference");
+ AlphaFunc::ComparisonFunction func = AlphaFunc::ALWAYS;
+ float refValue = 1.0f;
+ if (pComp)
+ findAttr(alphaComparison, pComp, func);
+ if (pRef)
+ refValue = pRef->getValue<float>();
+ if (func == AlphaFunc::GREATER && osg::equivalent(refValue, 1.0f)) {
+ pass->setAttributeAndModes(StateAttributeFactory::instance()
+ ->getStandardAlphaFunc());
+ } else {
+ AlphaFunc* alphaFunc = new AlphaFunc;
+ alphaFunc->setFunction(func);
+ alphaFunc->setReferenceValue(refValue);
+ pass->setAttributeAndModes(alphaFunc);
+ }
}
- TexEnv* env = new TexEnv(mode);
- if (colorProp)
- env->setColor(toOsg(colorProp->getValue<SGVec4d>()));
- return env;
- }
+};
+InstallAttributeBuilder<AlphaTestBuilder> installAlphaTest("alpha-test");
-struct TextureUnitBuilder : PassAttributeBuilder
+InstallAttributeBuilder<TextureUnitBuilder> textureUnitBuilder("texture-unit");
+
+// Shader key, used both for shaders with relative and absolute names
+typedef pair<string, Shader::Type> ShaderKey;
+
+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;
-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);
+ string fileName = osgDB::findDataFile(sitr->first.first);
if (!fileName.empty()) {
shader->loadShaderSourceFromFile(fileName);
}
struct ShaderProgramBuilder : PassAttributeBuilder
{
void buildAttribute(Effect* effect, Pass* pass, const SGPropertyNode* prop,
- const osgDB::ReaderWriter::Options* options);
+ const SGReaderWriterXMLOptions* options);
};
void ShaderProgramBuilder::buildAttribute(Effect* effect, Pass* pass,
const SGPropertyNode* prop,
- const osgDB::ReaderWriter::Options*
+ const SGReaderWriterXMLOptions*
options)
{
+ using namespace boost;
+ if (!isAttributeActive(effect, prop))
+ return;
PropertyList pVertShaders = prop->getChildren("vertex-shader");
PropertyList pFragShaders = prop->getChildren("fragment-shader");
- string programKey;
+ PropertyList pAttributes = prop->getChildren("attribute");
+ ProgramKey prgKey;
for (PropertyList::iterator itr = pVertShaders.begin(),
e = pVertShaders.end();
itr != e;
++itr)
- {
- programKey += (*itr)->getStringValue();
- programKey += ";";
- }
+ prgKey.shaders.push_back(ShaderKey((*itr)->getStringValue(),
+ Shader::VERTEX));
for (PropertyList::iterator itr = pFragShaders.begin(),
e = pFragShaders.end();
itr != e;
++itr)
- {
- programKey += (*itr)->getStringValue();
- programKey += ";";
+ prgKey.shaders.push_back(ShaderKey((*itr)->getStringValue(),
+ Shader::FRAGMENT));
+ for (PropertyList::iterator itr = pAttributes.begin(),
+ e = pAttributes.end();
+ itr != e;
+ ++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;
nameItr != e;
++nameItr) {
string shaderName = (*nameItr)->getStringValue();
- ShaderMap::iterator sitr = shaderMap.find(shaderName);
+ string fileName = osgDB::findDataFile(shaderName, options);
+ if (fileName.empty())
+ throw BuilderException(string("couldn't find shader ") +
+ shaderName);
+ ShaderKey skey(fileName, stype);
+ ShaderMap::iterator sitr = shaderMap.find(skey);
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));
- }
+ ref_ptr<Shader> shader = new Shader(stype);
+ 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);
+ }
+ programMap.insert(ProgramMap::value_type(prgKey, program));
}
pass->setAttributeAndModes(program);
}
InstallAttributeBuilder<ShaderProgramBuilder> installShaderProgram("program");
-EffectNameValue<Uniform::Type> uniformTypes[] =
+EffectNameValue<Uniform::Type> uniformTypesInit[] =
{
{"float", Uniform::FLOAT},
{"float-vec3", Uniform::FLOAT_VEC3},
{"sampler-2d", Uniform::SAMPLER_2D},
{"sampler-3d", Uniform::SAMPLER_3D}
};
+EffectPropertyMap<Uniform::Type> uniformTypes(uniformTypesInit);
struct UniformBuilder :public PassAttributeBuilder
{
void buildAttribute(Effect* effect, Pass* pass, const SGPropertyNode* prop,
- const osgDB::ReaderWriter::Options* options)
+ const SGReaderWriterXMLOptions* options)
{
+ if (!isAttributeActive(effect, prop))
+ return;
const SGPropertyNode* nameProp = prop->getChild("name");
const SGPropertyNode* typeProp = prop->getChild("type");
const SGPropertyNode* valProp
struct NameBuilder : public PassAttributeBuilder
{
void buildAttribute(Effect* effect, Pass* pass, const SGPropertyNode* prop,
- const osgDB::ReaderWriter::Options* options)
+ const SGReaderWriterXMLOptions* options)
{
// name can't use <use>
string name = prop->getStringValue();
InstallAttributeBuilder<NameBuilder> installName("name");
-EffectNameValue<PolygonMode::Mode> polygonModeModes[] =
+EffectNameValue<PolygonMode::Mode> polygonModeModesInit[] =
{
{"fill", PolygonMode::FILL},
{"line", PolygonMode::LINE},
{"point", PolygonMode::POINT}
};
+EffectPropertyMap<PolygonMode::Mode> polygonModeModes(polygonModeModesInit);
struct PolygonModeBuilder : public PassAttributeBuilder
{
void buildAttribute(Effect* effect, Pass* pass, const SGPropertyNode* prop,
- const osgDB::ReaderWriter::Options* options)
+ const SGReaderWriterXMLOptions* options)
{
+ if (!isAttributeActive(effect, prop))
+ return;
const SGPropertyNode* frontProp
= getEffectPropertyChild(effect, prop, "front");
const SGPropertyNode* backProp
};
InstallAttributeBuilder<PolygonModeBuilder> installPolygonMode("polygon-mode");
+
+struct VertexProgramTwoSideBuilder : public PassAttributeBuilder
+{
+ void buildAttribute(Effect* effect, Pass* pass, const SGPropertyNode* prop,
+ const SGReaderWriterXMLOptions* 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 SGReaderWriterXMLOptions* 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 SGReaderWriterXMLOptions* 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(pnear->getValue<double>());
+ const SGPropertyNode* pmask
+ = getEffectPropertyChild(effect, prop, "write-mask");
+ if (pmask)
+ depth->setWriteMask(pmask->getValue<bool>());
+ pass->setAttribute(depth.get());
+ }
+};
+
+InstallAttributeBuilder<DepthBuilder> installDepth("depth");
+
void buildTechnique(Effect* effect, const SGPropertyNode* prop,
- const osgDB::ReaderWriter::Options* options)
+ const SGReaderWriterXMLOptions* options)
{
Technique* tniq = new Technique;
effect->techniques.push_back(tniq);
}
}
+// Specifically for .ac files...
+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;
+ const Material* mat = getStateAttribute<Material>(ss);
+ if (mat) {
+ ambVal = mat->getAmbient(Material::FRONT_AND_BACK);
+ difVal = mat->getDiffuse(Material::FRONT_AND_BACK);
+ 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);
+ }
+ const ShadeModel* sm = getStateAttribute<ShadeModel>(ss);
+ string shadeModelString("smooth");
+ if (sm) {
+ ShadeModel::Mode smMode = sm->getMode();
+ if (smMode == ShadeModel::FLAT)
+ shadeModelString = "flat";
+ }
+ makeChild(paramRoot, "shade-model")->setStringValue(shadeModelString);
+ string cullFaceString("off");
+ const CullFace* cullFace = getStateAttribute<CullFace>(ss);
+ if (cullFace) {
+ switch (cullFace->getMode()) {
+ case CullFace::FRONT:
+ cullFaceString = "front";
+ break;
+ case CullFace::BACK:
+ cullFaceString = "back";
+ break;
+ case CullFace::FRONT_AND_BACK:
+ cullFaceString = "front-back";
+ break;
+ default:
+ break;
+ }
+ }
+ makeChild(paramRoot, "cull-face")->setStringValue(cullFaceString);
+ 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());
+ 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 SGReaderWriterXMLOptions* 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);
&Effect_writeLocalData
);
}
+
+// Property expressions for technique predicates
+class PropertyExpression : public SGExpression<bool>
+{
+public:
+ PropertyExpression(SGPropertyNode* pnode) : _pnode(pnode) {}
+
+ void eval(bool& value, const expression::Binding*) const
+ {
+ value = _pnode->getValue<bool>();
+ }
+protected:
+ SGPropertyNode_ptr _pnode;
+};
+
+class EffectPropertyListener : public SGPropertyChangeListener
+{
+public:
+ EffectPropertyListener(Technique* tniq) : _tniq(tniq) {}
+
+ void valueChanged(SGPropertyNode* node)
+ {
+ _tniq->refreshValidity();
+ }
+protected:
+ osg::ref_ptr<Technique> _tniq;
+};
+
+Expression* propertyExpressionParser(const SGPropertyNode* exp,
+ expression::Parser* parser)
+{
+ SGPropertyNode_ptr pnode = getPropertyRoot()->getNode(exp->getStringValue(),
+ true);
+ PropertyExpression* pexp = new PropertyExpression(pnode);
+ TechniquePredParser* predParser
+ = dynamic_cast<TechniquePredParser*>(parser);
+ if (predParser)
+ pnode->addChangeListener(new EffectPropertyListener(predParser
+ ->getTechnique()));
+ return pexp;
+}
+
+expression::ExpParserRegistrar propertyRegistrar("property",
+ propertyExpressionParser);
+
}
projects / simgear.git / blobdiff