bool PolygonChunk::operator ==(const StateChunk &other) const
{
PolygonChunk const *tother = dynamic_cast<PolygonChunk const*>(&other);
if(!tother)
return false;
if(tother == this)
return true;
if(getCullFace() != tother->getCullFace() ||
getFrontFace() != tother->getFrontFace() ||
getSmooth() != tother->getSmooth() ||
getFrontMode() != tother->getFrontMode() ||
getBackMode() != tother->getBackMode() ||
getOffsetPoint() != tother->getOffsetPoint() ||
getOffsetLine() != tother->getOffsetLine() ||
getOffsetFill() != tother->getOffsetFill() ||
getOffsetFactor() != tother->getOffsetFactor() ||
getOffsetBias() != tother->getOffsetBias() ||
getMFStipple()->size() != tother->getMFStipple()->size()
)
return false;
// would need to compare the whole stipple data
// cheap trick: if != 0 take as different
if( getMFStipple()->size() != 0 ||
tother->getMFStipple()->size() != 0
)
return false;
return true;
}
void TrapezoidalShadowMapEngine::updateLightPassMaterial(
TSMEngineData *data, UInt16 faceIdx, const Matrixr &matNT)
{
if(data->getMFLightPassMaterials()->size() < 6)
data->editMFLightPassMaterials()->resize(6, NULL);
ChunkMaterial *lightPassMat = data->getLightPassMaterials(faceIdx);
if(lightPassMat == NULL)
{
ColorMaskChunkUnrecPtr newCMaskChunk = ColorMaskChunk::create();
newCMaskChunk->setMaskR(false);
newCMaskChunk->setMaskG(false);
newCMaskChunk->setMaskB(false);
newCMaskChunk->setMaskA(false);
#ifdef OSG_TSME_LIGHTPASS_EXACT
ShaderProgramUnrecPtr newLightPassVP = ShaderProgram::createLocal();
newLightPassVP->setShaderType(GL_VERTEX_SHADER);
newLightPassVP->setProgram (_lightPassVPCode);
newLightPassVP->addUniformVariable("TSME_matNT", matNT);
ShaderProgramUnrecPtr newLightPassFP = ShaderProgram::createLocal();
newLightPassFP->setShaderType(GL_FRAGMENT_SHADER);
newLightPassFP->setProgram (_lightPassFPCode );
newLightPassFP->addUniformVariable("TSME_offsetFactor", getOffsetFactor());
newLightPassFP->addUniformVariable("TSME_offsetBias", getOffsetBias ());
ShaderProgramChunkUnrecPtr newLightPassSHChunk =
ShaderProgramChunk::createLocal();
newLightPassSHChunk->addVertexShader (newLightPassVP);
newLightPassSHChunk->addFragmentShader(newLightPassFP);
ChunkMaterialUnrecPtr newLightPassMat = ChunkMaterial::createLocal();
newLightPassMat->addChunk(newCMaskChunk );
newLightPassMat->addChunk(newLightPassSHChunk);
lightPassMat = newLightPassMat;
data->editMFLightPassMaterials()->replace(faceIdx, newLightPassMat);
#else
PolygonChunkUnrecPtr newPolyChunk = PolygonChunk::createLocal();
newPolyChunk->setOffsetFill (true );
newPolyChunk->setOffsetFactor(getOffsetFactor());
newPolyChunk->setOffsetBias (getOffsetBias ());
ShaderProgramUnrecPtr newLightPassVP = ShaderProgram::createLocal();
newLightPassVP->setShaderType (GL_VERTEX_SHADER );
newLightPassVP->setProgram (_lightPassVPCode );
newLightPassVP->addUniformVariable("TSME_matNT", matNT);
ShaderProgramChunkUnrecPtr newLightPassSHChunk =
ShaderProgramChunk::createLocal();
newLightPassSHChunk->addVertexShader(newLightPassVP);
ChunkMaterialUnrecPtr newLightPassMat = ChunkMaterial::createLocal();
newLightPassMat->addChunk(newCMaskChunk );
newLightPassMat->addChunk(newPolyChunk );
newLightPassMat->addChunk(newLightPassSHChunk);
lightPassMat = newLightPassMat;
(*data->editMFLightPassMaterials())[faceIdx] = newLightPassMat;
#endif
}
else
{
ShaderProgramChunk *lightPassSHChunk =
dynamic_cast<ShaderProgramChunk *>(
lightPassMat->find(ShaderProgramChunk::getClassType()));
if(lightPassSHChunk != NULL)
{
ShaderProgram *lightPassVP = lightPassSHChunk->getVertexShader(0);
lightPassVP->updateUniformVariable("TSME_matNT", matNT);
}
}
}
