OsgMaterial.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_OSGMATERIAL_H
#define SURGSIM_GRAPHICS_OSGMATERIAL_H

#include <boost/any.hpp>
#include <osg/Material>
#include <osg/StateSet>
#include <set>

#include "SurgSim/Graphics/Material.h"


namespace SurgSim
{

namespace Graphics
{

class MaterialFace;
class OsgProgram;
class OsgUniformBase;

class OsgMaterial : public Material
{
public:
    explicit OsgMaterial(const std::string& name);

    SURGSIM_CLASSNAME(SurgSim::Graphics::OsgMaterial);

    void addUniform(std::shared_ptr<UniformBase> uniform) override;

    void addUniform(const std::string& type, const std::string& name) override;

    void addUniform(const std::string& type, const std::string& name, const boost::any& value);

    bool removeUniform(std::shared_ptr<UniformBase> uniform) override;

    bool removeUniform(const std::string& name) override;

    size_t getNumUniforms() const override;

    std::shared_ptr<UniformBase> getUniform(size_t index) const override;

    std::shared_ptr<UniformBase> getUniform(const std::string& name) const override;

    bool hasUniform(const std::string& name) const override;

    void loadProgram(const std::string& nameTuple) override;

    bool setProgram(std::shared_ptr<Program> program) override;

    std::shared_ptr<Program> getProgram() const override;

    void clearProgram() override;

    osg::ref_ptr<osg::StateSet> getOsgStateSet() const;

    bool doInitialize() override;

    bool doWakeUp() override;


private:
    osg::ref_ptr<osg::StateSet> m_stateSet;

    std::vector<std::shared_ptr<OsgUniformBase>> m_uniforms;

    std::shared_ptr<OsgProgram> m_program;
};

std::shared_ptr<OsgMaterial> buildMaterial(
    const std::string& vertexShaderName,
    const std::string& fragmentShaderName);

};  // namespace Graphics

};  // namespace SurgSim

#endif  // SURGSIM_GRAPHICS_OSGMATERIAL_H