MaterialDef SSAO {

    MaterialParameters {
        Int NumSamples
        Int NumSamplesDepth
        Texture2D Texture
        Texture2D RandomMap -LINEAR
        Texture2D Normals
        Texture2D DepthTexture
        Vector3 FrustumCorner
        Float SampleRadius
        Float Intensity
        Float Scale
        Float Bias
        Vector2 FrustumNearFar
        Vector2Array Samples
        Boolean ApproximateNormals
    }

    Technique {
        VertexShader GLSL150:   Common/MatDefs/Post/Post15.vert
        FragmentShader GLSL150: Common/MatDefs/SSAO/ssao15.frag

        WorldParameters {
            WorldViewMatrix
            Resolution
            ResolutionInverse
        }

        Defines {
            RESOLVE_MS : NumSamples
            RESOLVE_DEPTH_MS : NumSamplesDepth
            APPROXIMATE_NORMALS : ApproximateNormals
        }
    }

    Technique {
        VertexShader GLSL120:   Common/MatDefs/Post/Post.vert
        FragmentShader GLSL120: Common/MatDefs/SSAO/ssao.frag

        WorldParameters {
            WorldViewMatrix
            Resolution
            ResolutionInverse
        }
        Defines {
            APPROXIMATE_NORMALS : ApproximateNormals
        }
    }
}