pxmlw6n2f/Gazebo_Distributed_TCP/gazebo/rendering/deferred_shading/MergeSchemeHandler.hh

101 lines
3.5 KiB
C++

/*
* Copyright (C) 2012 Open Source Robotics Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#ifndef _MERGESCHEMEHANDLER_HH_
#define _MERGESCHEMEHANDLER_HH_
#include <OgreMaterialManager.h>
#include <string>
#include <vector>
#include "gazebo/rendering/deferred_shading/MergeMaterialGenerator.hh"
#include "gazebo/util/system.hh"
namespace gazebo
{
namespace rendering
{
/// Class for handling materials who did not specify techniques for the
/// merging step of deferred/inferred lighting.
class GZ_RENDERING_VISIBLE MergeSchemeHandler :
public Ogre::MaterialManager::Listener
{
public: MergeSchemeHandler(bool _useDSF) : useDSF(_useDSF)
{
if (this->useDSF)
{
this->materialGenerator =
new MergeMaterialGenerator("InferredLighting", true);
this->techName = "InferredLighting";
}
else
{
this->materialGenerator =
new MergeMaterialGenerator("DeferredLighting", false);
this->techName = "DeferredLighting";
}
}
/// @copydoc MaterialManager::Listener::handleSchemeNotFound
public: virtual Ogre::Technique *handleSchemeNotFound(
uint16_t _schemeIndex,
const Ogre::String &_schemeName,
Ogre::Material *_originalMaterial,
uint16_t _lodIndex,
const Ogre::Renderable* rend);
/// The string that will be checked in textures to determine whether
/// they are normal maps
protected: static const std::string normal_map_pattern;
protected: bool useDSF;
protected: Ogre::String techName;
protected: MergeMaterialGenerator *materialGenerator;
/// A structure for containing the properties of a material
protected: struct PassProperties
{
PassProperties() : isDeferred(true), normalMap(0), isSkinned(false),
hasDiffuseColor(true) {}
bool isDeferred;
Ogre::TextureUnitState *normalMap;
bool isSkinned;
bool hasDiffuseColor;
Ogre::vector<Ogre::TextureUnitState*>::type regularTextures;
};
/// Inspect a technique and return its relevant properties
protected: PassProperties InspectPass(Ogre::Pass *_pass,
uint16_t _lodIndex, const Ogre::Renderable *_rend);
/// Get the permutation of material flags that fit a certain
/// property sheet
protected: MaterialGenerator::Perm GetPermutation(
const PassProperties &_props);
/// Fill a pass with the specific data from the pass it is based on
protected: void FillPass(Ogre::Pass *_gBufferPass,
Ogre::Pass *_originalPass, const PassProperties &_props);
/// Check if a texture is a normal map, and fill property
/// sheet accordingly
protected: bool CheckNormalMap(Ogre::TextureUnitState *_tus,
PassProperties &_props);
};
}
}
#endif