ScreenSpaceReflections.h

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#include "OGRE/OgrePrerequisites.h"
 
#include "OGRE/OgreGpuProgramParams.h"
#include "OGRE/OgreMatrix4.h"
 
namespace Demo
{
    class ScreenSpaceReflections
    {
        Ogre::GpuProgramParametersSharedPtr mPsParams[2];
 
        Ogre::Matrix4   mLastUvSpaceViewProjMatrix;
        Ogre::Real      mRsDepthRange;
 
    public:
        ScreenSpaceReflections( Ogre::TextureGpu *globalCubemap,
                                Ogre::RenderSystem *renderSystem );
 
        void update( Ogre::Camera *camera );
 
        static void setupSSR( bool useMsaa, bool useHq, Ogre::CompositorManager2 *compositorManager );
 
        static void setupSSRValues( double equivalentMetersInCurrentUnit,
                                    double zThickness = 0.25,
                                    double zThicknessBiasAmount = 2.0,
                                    double zThicknessBiasStart = 10.0,
                                    double zThicknessBiasEnd = 100.0,
                                    float maxDistance = 10000.0f,
                                    float reprojectionMaxDistanceError = 2.0f,
                                    Ogre::uint16 pixelStride = 4,
                                    Ogre::uint16 maxSteps = 200 );
    };
}