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@assaframan
Created November 24, 2012 11:56
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min code to render OGRE with d3d11 render system
#include <conio.h>
#include "Ogre.h"
#include "OgreFrameListener.h"
#include "OgreShaderGenerator.h"
/////////////////////////////////////////////////////////////////////////////////////////////////
class ShaderGeneratorTechniqueResolverListener : public Ogre::MaterialManager::Listener
{
public:
ShaderGeneratorTechniqueResolverListener(Ogre::RTShader::ShaderGenerator* pShaderGenerator)
{
mShaderGenerator = pShaderGenerator;
}
/** This is the hook point where shader based technique will be created.
It will be called whenever the material manager won't find appropriate technique
that satisfy the target scheme name. If the scheme name is out target RT Shader System
scheme name we will try to create shader generated technique for it.
*/
virtual Ogre::Technique* handleSchemeNotFound(unsigned short schemeIndex,
const Ogre::String& schemeName, Ogre::Material* originalMaterial, unsigned short lodIndex,
const Ogre::Renderable* rend)
{
Ogre::Technique* generatedTech = NULL;
// Case this is the default shader generator scheme.
if (schemeName == Ogre::RTShader::ShaderGenerator::DEFAULT_SCHEME_NAME)
{
bool techniqueCreated;
// Create shader generated technique for this material.
techniqueCreated = mShaderGenerator->createShaderBasedTechnique(
originalMaterial->getName(),
Ogre::MaterialManager::DEFAULT_SCHEME_NAME,
schemeName);
// Case technique registration succeeded.
if (techniqueCreated)
{
// Force creating the shaders for the generated technique.
mShaderGenerator->validateMaterial(schemeName, originalMaterial->getName());
// Grab the generated technique.
Ogre::Material::TechniqueIterator itTech = originalMaterial->getTechniqueIterator();
while (itTech.hasMoreElements())
{
Ogre::Technique* curTech = itTech.getNext();
if (curTech->getSchemeName() == schemeName)
{
generatedTech = curTech;
break;
}
}
}
}
return generatedTech;
}
protected:
Ogre::RTShader::ShaderGenerator* mShaderGenerator; // The shader generator instance.
};
/////////////////////////////////////////////////////////////////////////////////////////////////
class MinFrameListener : public Ogre::FrameListener
{
bool frameEnded(const Ogre::FrameEvent& evt)
{
return _kbhit() == 0;
}
} minFrameListener;
/////////////////////////////////////////////////////////////////////////////////////////////////
int main()
{
Ogre::Root root(
#ifdef _DEBUG
"plugins_d.cfg"
#endif
);
if (!root.restoreConfig())
{
root.showConfigDialog();
}
Ogre::RenderWindow* window = root.initialise(true);
Ogre::SceneManager* sceneManager = root.createSceneManager(Ogre::ST_GENERIC);
Ogre::Camera* camera = sceneManager->createCamera("Camera1");
camera->setPosition(0, 30, 350);
window->addViewport(camera);
Ogre::RTShader::ShaderGenerator::initialize();
Ogre::RTShader::ShaderGenerator * shaderGenerator = Ogre::RTShader::ShaderGenerator::getSingletonPtr();
shaderGenerator->addSceneManager(sceneManager);
ShaderGeneratorTechniqueResolverListener materialMgrListener(shaderGenerator);
Ogre::MaterialManager::getSingleton().addListener(&materialMgrListener);
sceneManager->setAmbientLight(Ogre::ColourValue(0.75, 0.75, 0.75));
Ogre::Light* light = sceneManager->createLight();
light->setPosition(2000, 1000, -1000);
// load resource paths from config file
Ogre::ConfigFile cf;
#ifdef _DEBUG
cf.load("resources_d.cfg");
#else
cf.load("resources.cfg");
#endif
Ogre::ConfigFile::SectionIterator seci = cf.getSectionIterator();
Ogre::String sec, type, arch;
// go through all specified resource groups
while (seci.hasMoreElements())
{
sec = seci.peekNextKey();
Ogre::ConfigFile::SettingsMultiMap* settings = seci.getNext();
Ogre::ConfigFile::SettingsMultiMap::iterator i;
// go through all resource paths
for (i = settings->begin(); i != settings->end(); i++)
{
type = i->first;
arch = i->second;
Ogre::ResourceGroupManager::getSingleton().addResourceLocation(arch, type, sec);
}
}
Ogre::ResourceGroupManager::getSingleton().initialiseAllResourceGroups();
Ogre::Entity* head = sceneManager->createEntity("Head", "ogrehead.mesh");
sceneManager->getRootSceneNode()->attachObject(head);
root.addFrameListener(&minFrameListener);
root.startRendering();
return 0;
}
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