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Error-reporting: improve reports for STGs and effects

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When an effect defines no shader sources, special case this error to
avoid confusing result from SGProgram.

Add error-context for readNode STG loading, so failures inside an
STG can be attributed
This commit is contained in:
James Turner 2021-04-30 13:47:27 +01:00
parent 0299764619
commit 5e30d83a43
3 changed files with 25 additions and 11 deletions
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8
simgear/scene/material/Effect.cxx
View File

@ -989,6 +989,14 @@ void ShaderProgramBuilder::buildAttribute(Effect* effect, Pass* pass,
}
}
}
if (sgprogram->getNumShaders() == 0) {
simgear::reportFailure(simgear::LoadFailure::BadData,
simgear::ErrorCode::LoadEffectsShaders,
"No shader source code defined for effect",
effect->filePath());
}
for (const auto& key : prgKey.attributes) {
program->addBindAttribLocation(key.first, key.second);
}

7
simgear/scene/tgdb/ReaderWriterSTG.cxx
View File

@ -690,7 +690,9 @@ struct ReaderWriterSTG::_ModelBin {
}
callback(token,name, SGGeod::fromDegM(obj._lon, obj._lat, obj._elev), obj._hdg,restofline);
} else {
SG_LOG( SG_TERRAIN, SG_ALERT, absoluteFileName << ": Unknown token '" << token << "'" );
// SG_LOG( SG_TERRAIN, SG_ALERT, absoluteFileName << ": Unknown token '" << token << "'" );
simgear::reportFailure(simgear::LoadFailure::Misconfigured, simgear::ErrorCode::BTGLoad,
"Unknown STG token:" + token, absoluteFileName);
}
}
}
@ -866,6 +868,7 @@ ReaderWriterSTG::readNode(const std::string& fileName, const osgDB::Options* opt
{
_ModelBin modelBin;
SGBucket bucket(bucketIndexFromFileName(fileName));
simgear::ErrorReportContext ec("terrain-bucket", bucket.gen_index_str());
// We treat 123.stg different than ./123.stg.
// The difference is that ./123.stg as well as any absolute path
@ -873,6 +876,7 @@ ReaderWriterSTG::readNode(const std::string& fileName, const osgDB::Options* opt
// In contrast 123.stg uses the search paths to load a set of stg
// files spread across the scenery directories.
if (osgDB::getSimpleFileName(fileName) != fileName) {
simgear::ErrorReportContext ec("terrain-stg", fileName);
if (!modelBin.read(fileName, options))
return ReadResult::FILE_NOT_FOUND;
}
@ -913,6 +917,7 @@ ReaderWriterSTG::readNode(const std::string& fileName, const osgDB::Options* opt
for (auto suffix : sgOpts->getSceneryPathSuffixes()) {
const auto p = base / suffix / basePath / fileName;
simgear::ErrorReportContext ec("terrain-stg", p.utf8Str());
modelBin.read(p, options);
}
}

21
simgear/scene/util/SGProgram.cxx
View File

@ -52,19 +52,20 @@ void SGProgram::apply(osg::State& state) const
std::string infoLog;
_checkState = FailedToApply;
getPCP(state)->getInfoLog(infoLog);
if (!infoLog.empty()) {
// log all the shader source file names, to help in debugging link errors
std::ostringstream os;
for (int i = 0; i < getNumShaders(); ++i) {
const auto shader = getShader(i);
os << "\t" << shader->getFileName() << "\n";
}
// log all the shader source file names, to help in debugging link errors
std::ostringstream os;
for (int i = 0; i < getNumShaders(); ++i) {
const auto shader = getShader(i);
os << "\t" << shader->getFileName() << "\n";
simgear::reportFailure(simgear::LoadFailure::BadData, simgear::ErrorCode::LoadEffectsShaders,
"Shader program errors: " + infoLog +
"\n\nShader sources:\n" + os.str(),
_effectFilePath);
}
simgear::reportFailure(simgear::LoadFailure::BadData, simgear::ErrorCode::LoadEffectsShaders,
"Shader program errors: " + infoLog +
"\n\nShader sources:\n" + os.str(),
_effectFilePath);
for (int i = 0; i < getNumShaders(); ++i) {
const auto shader = getShader(i);
auto pcs = shader->getPCS(state);