MinimalSceneRhiOpenGL.hh

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/*
 * Copyright (C) 2022 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 GZ_GUI_PLUGINS_MINIMALSCENE_MINIMALSCENERHIOPENGL_HH_
#define GZ_GUI_PLUGINS_MINIMALSCENE_MINIMALSCENERHIOPENGL_HH_
 
#include "MinimalSceneRhi.hh"
#include "gz/gui/Plugin.hh"
 
#include <QQuickWindow>
#include <QSGTexture>
#include <QSize>
 
#include <memory>
#include <string>
 
namespace gz::gui::plugins
{
  class GzCameraTextureRhiOpenGLPrivate;
 
  class GzCameraTextureRhiOpenGL : public GzCameraTextureRhi
  {
    // Documentation inherited
    public: virtual ~GzCameraTextureRhiOpenGL() override;
 
    public: GzCameraTextureRhiOpenGL();
 
    // Documentation inherited
    public: virtual void Update(rendering::CameraPtr _camera) override;
 
    // Documentation inherited
    public: virtual void TextureId(void* _texturePtr) override;
 
    private: std::unique_ptr<GzCameraTextureRhiOpenGLPrivate> dataPtr;
  };
 
  class RenderThreadRhiOpenGLPrivate;
 
  class RenderThreadRhiOpenGL : public RenderThreadRhi
  {
    // Documentation inherited
    public: virtual ~RenderThreadRhiOpenGL() override;
 
    public: RenderThreadRhiOpenGL(GzRenderer *_renderer);
 
    // Documentation inherited
    public: virtual QOffscreenSurface *Surface() const override;
 
    // Documentation inherited
    public: virtual void SetSurface(QOffscreenSurface *_surface) override;
 
    // Documentation inherited
    public: virtual QOpenGLContext *Context() const override;
 
    // Documentation inherited
    public: virtual void SetContext(QOpenGLContext *_context) override;
 
    // Documentation inherited
    public: virtual std::string Initialize() override;
 
    // Documentation inherited
    public: virtual void RenderNext(RenderSync *_renderSync) override;
 
    // Documentation inherited
    public: virtual void* TexturePtr() const override;
 
    // Documentation inherited
    public: virtual QSize TextureSize() const override;
 
    // Documentation inherited
    public: virtual void ShutDown() override;
 
    private: RenderThreadRhiOpenGL(
        const RenderThreadRhiOpenGL &_other) = delete;
    private: RenderThreadRhiOpenGL& operator=(
        const RenderThreadRhiOpenGL &_other) = delete;
 
    private: std::unique_ptr<RenderThreadRhiOpenGLPrivate> dataPtr;
  };
 
  class TextureNodeRhiOpenGLPrivate;
 
  class TextureNodeRhiOpenGL : public TextureNodeRhi
  {
    // Documentation inherited
    public: virtual ~TextureNodeRhiOpenGL() override;
 
    public: TextureNodeRhiOpenGL(QQuickWindow *_window);
 
    // Documentation inherited
    public: virtual QSGTexture *Texture() const override;
 
    // Documentation inherited
    public: virtual bool HasNewTexture() const override;
 
    // Documentation inherited
    public: virtual void NewTexture(
        void* _texturePtr, const QSize &_size) override;
 
    // Documentation inherited
    public: virtual void PrepareNode() override;
 
    private: TextureNodeRhiOpenGL(
        const TextureNodeRhiOpenGL &_other) = delete;
    private: TextureNodeRhiOpenGL& operator=(
        const TextureNodeRhiOpenGL &_other) = delete;
 
    private: std::unique_ptr<TextureNodeRhiOpenGLPrivate> dataPtr;
   };
}  // namespace gz::gui::plugins
 
#endif  // GZ_GUI_PLUGINS_MINIMALSCENE_MINIMALSCENERHIOPENGL_HH_