OcioColorManagementSystem.h

//
// Copyright Contributors to the MaterialX Project
// SPDX-License-Identifier: Apache-2.0
//
 
#ifndef MATERIALX_OCIO_COLOR_MANAGEMENT_SYSTEM_H
#define MATERIALX_OCIO_COLOR_MANAGEMENT_SYSTEM_H
 
#ifdef MATERIALX_BUILD_OCIO

 
#include <MaterialXCore/Definition.h>
 
#include <MaterialXGenShader/DefaultColorManagementSystem.h>
 
#include <map>
 
MATERIALX_NAMESPACE_BEGIN
 
// Opaque class to insulate from the full OCIO API
class OcioColorManagementSystemImpl;

using OcioColorManagementSystemPtr = std::shared_ptr<class OcioColorManagementSystem>;

class MX_GENSHADER_API OcioColorManagementSystem : public DefaultColorManagementSystem
{
  public:
    virtual ~OcioColorManagementSystem();

    static OcioColorManagementSystemPtr createFromEnv(string target);

    static OcioColorManagementSystemPtr createFromFile(const string& filename, string target);

    static OcioColorManagementSystemPtr createFromBuiltinConfig(const string& configName, string target);

    const string& getName() const override;

    bool hasImplementation(const string& implName) const override;

    ShaderNodeImplPtr createImplementation(const string& implName) const override;

    string getGpuProcessorCode(const string& implName, const string& functionName) const;

    static const string IMPL_PREFIX;

    static const string OCIO_SOURCE_URI;
 
  protected:
    NodeDefPtr getNodeDef(const ColorSpaceTransform& transform) const override;

    const char* getSupportedColorSpaceName(const char* colorSpace) const;

    OcioColorManagementSystem(OcioColorManagementSystemImpl*);
 
  private:
    std::unique_ptr<OcioColorManagementSystemImpl> _impl;
};
 
MATERIALX_NAMESPACE_END
 
#endif // MATERIALX_BUILD_OCIO
 
#endif