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