本文整理汇总了C++中Shaders::push_back方法的典型用法代码示例。如果您正苦于以下问题：C++ Shaders::push_back方法的具体用法？C++ Shaders::push_back怎么用？C++ Shaders::push_back使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Shaders的用法示例。
在下文中一共展示了Shaders::push_back方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: getOrCreateProgram
osg::Program* ShaderComposer::getOrCreateProgram(const ShaderComponents& shaderComponents)
{
ProgramMap::iterator itr = _programMap.find(shaderComponents);
if (itr != _programMap.end())
{
// OSG_NOTICE<<"ShaderComposer::getOrCreateProgram(..) using cached Program"<<std::endl;
return itr->second.get();
}
// strip out vertex shaders
Shaders vertexShaders;
Shaders tessControlShaders;
Shaders tessEvaluationShaders;
Shaders geometryShaders;
Shaders fragmentShaders;
Shaders computeShaders;
OSG_NOTICE<<"ShaderComposer::getOrCreateProgram(shaderComponents.size()=="<<shaderComponents.size()<<std::endl;
for(ShaderComponents::const_iterator itr = shaderComponents.begin();
itr != shaderComponents.end();
++itr)
{
const ShaderComponent* sc = *itr;
for(unsigned int i=0; i<sc->getNumShaders(); ++i)
{
const Shader* shader = sc->getShader(i);
switch(shader->getType())
{
case(Shader::VERTEX):
vertexShaders.push_back(shader);
break;
case(Shader::TESSCONTROL):
tessControlShaders.push_back(shader);
break;
case(Shader::TESSEVALUATION):
tessEvaluationShaders.push_back(shader);
break;
case(Shader::GEOMETRY):
geometryShaders.push_back(shader);
break;
case(Shader::FRAGMENT):
fragmentShaders.push_back(shader);
break;
case(Shader::COMPUTE):
computeShaders.push_back(shader);
break;
case(Shader::UNDEFINED):
OSG_WARN<<"Warning: ShaderCompose::getOrCreateProgam(ShaderComponts) encounterd invalid Shader::Type."<<std::endl;
break;
}
}
}
osg::ref_ptr<osg::Program> program = new osg::Program;
if (!vertexShaders.empty())
{
addShaderToProgram(program.get(), vertexShaders);
}
if (!geometryShaders.empty())
{
addShaderToProgram(program.get(), geometryShaders);
}
if (!fragmentShaders.empty())
{
addShaderToProgram(program.get(), fragmentShaders);
}
if (!computeShaders.empty())
{
addShaderToProgram(program.get(), computeShaders);
}
// assign newly created program to map.
_programMap[shaderComponents] = program;
OSG_NOTICE<<"ShaderComposer::getOrCreateProgram(..) created new Program"<<std::endl;
return program.get();
}