Ogre2RenderTarget.hh

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/*
 * Copyright (C) 2018 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 IGNITION_RENDERING_OGRE2_OGRE2RENDERTARGET_HH_
#define IGNITION_RENDERING_OGRE2_OGRE2RENDERTARGET_HH_

#include <memory>
#include <string>
#include <ignition/math/Color.hh>

#include "ignition/rendering/base/BaseRenderTypes.hh"
#include "ignition/rendering/base/BaseRenderTarget.hh"
#include "ignition/rendering/ogre2/Ogre2Includes.hh"
#include "ignition/rendering/ogre2/Ogre2Object.hh"
#include "ignition/rendering/ogre2/Ogre2RenderTargetMaterial.hh"

namespace Ogre
{
  class Camera;
  class RenderTarget;
  class Texture;
}

namespace ignition
{
  namespace rendering
  {
    inline namespace IGNITION_RENDERING_VERSION_NAMESPACE {
    //
    // forward declaration
    class Ogre2RenderTargetPrivate;

    class IGNITION_RENDERING_OGRE2_VISIBLE Ogre2RenderTarget :
      public virtual BaseRenderTarget<Ogre2Object>
    {
      protected: Ogre2RenderTarget();

      public: virtual ~Ogre2RenderTarget();

      public: virtual unsigned int AntiAliasing() const;

      public: virtual void SetAntiAliasing(unsigned int _aa);

      public: virtual void Copy(Image &_image) const override;

      public: virtual Ogre::Camera *Camera() const;

      public: virtual void SetCamera(Ogre::Camera *_camera);

      // Documentation inherited
      public: virtual math::Color BackgroundColor() const override;

      public: virtual void SetBackgroundColor(math::Color _color);

      // Documentation inherited
      public: virtual void PreRender() override;

      // Documentation inherited
      public: virtual void PostRender() override;

      public: virtual void Render();

      public: virtual void Destroy() override = 0;

      public: void SetMaterial(MaterialPtr _material);

      public: virtual Ogre::RenderTarget *RenderTarget() const = 0;

      public: virtual uint32_t VisibilityMask() const;

      public: virtual void SetVisibilityMask(uint32_t _mask);

      protected: virtual void UpdateBackgroundColor();

      protected: virtual void UpdateRenderPassChain();

      protected: void UpdateShadowNode();

      protected: virtual void RebuildImpl() override;

      protected: virtual void RebuildTarget() = 0;

      protected: virtual void RebuildCompositor();

      protected: virtual void BuildCompositor();

      protected: virtual void DestroyCompositor();

      protected: void RebuildMaterial();

      private: void CreateShadowNodeWithSettings(
          Ogre::CompositorManager2 *_compositorManager,
          const std::string &_shadowNodeName,
          const Ogre::ShadowNodeHelper::ShadowParamVec &_shadowParams);

      protected: Ogre::Camera *ogreCamera = nullptr;

      protected: Ogre::CompositorWorkspace *ogreCompositorWorkspace = nullptr;

      protected: std::string ogreCompositorWorkspaceDefName;

      protected: Ogre::ColourValue ogreBackgroundColor;

      protected: MaterialPtr material;

      protected: Ogre2RenderTargetMaterialPtr materialApplicator;

      protected: bool colorDirty = true;

      protected: unsigned int antiAliasing = 4;

      protected: uint32_t visibilityMask = IGN_VISIBILITY_ALL;

      private: std::unique_ptr<Ogre2RenderTargetPrivate> dataPtr;
    };

    class IGNITION_RENDERING_OGRE2_VISIBLE Ogre2RenderTexture :
      public virtual BaseRenderTexture<Ogre2RenderTarget>
    {
      protected: Ogre2RenderTexture();

      public: virtual ~Ogre2RenderTexture();

      // Documentation inherited.
      public: virtual void Destroy() override;

      // Documentation inherited
      public: virtual void PreRender() override;

      // Documentation inherited
      public: virtual void PostRender() override;

      // Documentation inherited
      public: virtual unsigned int GLId() const override;

      // Documentation inherited.
      public: virtual Ogre::RenderTarget *RenderTarget() const override;

      // Documentation inherited.
      protected: virtual void RebuildTarget() override;

      protected: virtual void DestroyTarget();

      protected: virtual void BuildTarget();

      protected: Ogre::Texture *ogreTexture = nullptr;

      private: friend class Ogre2Scene;
    };

    class IGNITION_RENDERING_OGRE2_VISIBLE Ogre2RenderWindow :
      public virtual BaseRenderWindow<Ogre2RenderTarget>
    {
      protected: Ogre2RenderWindow();

      public: virtual ~Ogre2RenderWindow();

      // Documentation inherited.
      public: virtual void Destroy() override;

      // Documentation inherited.
      public: virtual Ogre::RenderTarget *RenderTarget() const override;

      // Documentation inherited.
      protected: virtual void RebuildTarget() override;

      protected: virtual void BuildTarget();

      protected: Ogre::RenderTarget *ogreRenderWindow = nullptr;

      private: friend class Ogre2Scene;
    };
    }
  }
}
#endif