/*
 * Copyright (c) Contributors to the Open 3D Engine Project.
 * For complete copyright and license terms please see the LICENSE at the root of this distribution.
 *
 * SPDX-License-Identifier: Apache-2.0 OR MIT
 *
 */

#ifndef AZ_COLLECTING_PARTIAL_SRGS
#error Do not include this file directly. Include the main .srgi file instead.
#endif

partial ShaderResourceGroup ViewSrg
{
    // Shared data in PostProcessing

    // Depth Of Field
    struct DepthOfFieldData
    {
        // x : viewFar, y : viewNear, z : focusDistance
        float3 m_cameraParameters;

        // Used to determine the pencilMap texture coordinates from depth.
        float m_pencilMapTexcoordToCocRadius;
        float m_pencilMapFocusPointTexcoordU;

        // circle of confusion to screen ratio;
        float m_cocToScreenRatio;
    };

    DepthOfFieldData m_dof;
    
    struct ExposureControlParameters
    {
        // Minimum exposure for eye adaptation in stops (logarithmic space)
        float m_exposureMinLog2;
        
        // Maximum exposure for eye adaptation in stops (logarithmic space)
        float m_exposureMaxLog2;

        // The speed at which exposure adjusts up to brighter scenes
        float m_speedUp;
        
        // The speed at which exposure adjusts down to darker scenes
        float m_speedDown;

        // Manual exposure compensation value
        float m_exposureValueCompensation;

        // Eye adaptation feature flag.
        uint m_eyeAdaptationEnabled;

        // Explicit padding at the end
        uint2 m_padding;
    };

    ConstantBuffer<ExposureControlParameters> m_exposureControl;
    
    float GetExposureValueCompensation()
    {
        return m_exposureControl.m_exposureValueCompensation;
    }
}