RenderPass.h

// This file is a part of the OpenSurgSim project.
// Copyright 2013-2016, SimQuest Solutions Inc.
//
// 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 SURGSIM_GRAPHICS_RENDERPASS_H
#define SURGSIM_GRAPHICS_RENDERPASS_H

#include <memory>

#include "SurgSim/Framework/SceneElement.h"
#include "SurgSim/Graphics/Camera.h"

namespace SurgSim
{

namespace Framework
{

class Component;

}
namespace Graphics
{

class Group;
class Material;
class RenderTarget;
class ScreenSpaceQuadRepresentation;
class Texture;
class View;


class RenderPass : public SurgSim::Framework::SceneElement
{
public:

    explicit RenderPass(const std::string& name);
    ~RenderPass();

    bool doInitialize() override;

    bool setRenderTarget(std::shared_ptr<RenderTarget> target);

    std::shared_ptr<RenderTarget> getRenderTarget();

    virtual void setRenderOrder(SurgSim::Graphics::Camera::RenderOrder order, int value);

    std::shared_ptr<Camera> getCamera();

    bool setMaterial(std::shared_ptr<SurgSim::Framework::Component> material);

    std::shared_ptr<Material> getMaterial();

    void showColorTarget(int x, int y, int width, int height);

    void hideColorTarget();

    void showDepthTarget(int x, int y, int width, int height);

    void hideDepthTarget();

private:


    std::shared_ptr<Camera> m_camera;               
    std::shared_ptr<Group> m_group;                 
    std::shared_ptr<RenderTarget> m_renderTarget;   
    std::shared_ptr<Material> m_material;           

    std::shared_ptr<ScreenSpaceQuadRepresentation> m_debugColor;
    std::shared_ptr<ScreenSpaceQuadRepresentation> m_debugDepth;

    std::shared_ptr<ScreenSpaceQuadRepresentation> buildDebugQuad(
        const std::string& name,
        std::shared_ptr<Texture> texture);
};

}; // Graphics
}; // SurgSim

#endif