James Turner
01233ba537
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
84 lines
2.7 KiB
C++
84 lines
2.7 KiB
C++
////
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Library General Public License for more details.
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//
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// You should have received a copy of the GNU Library General Public
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// License along with this library; if not, write to the
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// Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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// Boston, MA 02110-1301, USA.
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#include "simgear_config.h"
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#include "SGProgram.hxx"
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#include <osg/State>
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#include <sstream>
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#include <simgear/debug/ErrorReportingCallback.hxx>
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#include <simgear/debug/logstream.hxx>
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SGProgram::SGProgram()
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{
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}
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SGProgram::SGProgram(const SGProgram& rhs, const osg::CopyOp& copyop) : osg::Program(rhs, copyop),
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_effectFilePath(rhs._effectFilePath)
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{
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}
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void SGProgram::setEffectFilePath(const SGPath& p)
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{
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_effectFilePath = p;
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}
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void SGProgram::apply(osg::State& state) const
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{
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osg::Program::apply(state);
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if (_checkState != NotApplied) {
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return; // already done
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}
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auto pcp = state.getLastAppliedProgramObject();
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if (!pcp) {
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std::string infoLog;
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_checkState = FailedToApply;
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getPCP(state)->getInfoLog(infoLog);
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if (!infoLog.empty()) {
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// log all the shader source file names, to help in debugging link errors
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std::ostringstream os;
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for (int i = 0; i < getNumShaders(); ++i) {
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const auto shader = getShader(i);
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os << "\t" << shader->getFileName() << "\n";
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}
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simgear::reportFailure(simgear::LoadFailure::BadData, simgear::ErrorCode::LoadEffectsShaders,
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"Shader program errors: " + infoLog +
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"\n\nShader sources:\n" + os.str(),
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_effectFilePath);
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}
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for (int i = 0; i < getNumShaders(); ++i) {
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const auto shader = getShader(i);
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auto pcs = shader->getPCS(state);
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std::string shaderLog;
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pcs->getInfoLog(shaderLog);
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if (!shaderLog.empty()) {
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simgear::reportFailure(simgear::LoadFailure::BadData, simgear::ErrorCode::LoadEffectsShaders,
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"Shader source errors: " + shaderLog, sg_location(shader->getFileName()));
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}
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}
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} else {
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_checkState = AppliedOk;
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}
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}
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