/*
* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
* its licensors.
*
* For complete copyright and license terms please see the LICENSE at the root of this
* distribution (the "License"). All use of this software is governed by the License,
* or, if provided, by the license below or the license accompanying this file. Do not
* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
*/
#pragma once
#include <AzCore/std/containers/vector.h>
#include <AzCore/std/string/string.h>
#include <AzCore/std/containers/array.h>
namespace AZ
{
    namespace Vertex
    {
        const uint32_t VERTEX_BUFFER_ALIGNMENT = 4;
        // This enum must only have 8 entries because only 3 bits are used to store usage.
        enum class AttributeUsage : uint8
        {
            Position,
            Color,
            Normal,
            TexCoord,
            Weights,
            Indices,
            Tangent,
            BiTangent,
            NumUsages
        };

        struct AttributeUsageData
        {
            AZStd::string friendlyName;
            AZStd::string semanticName;
        };

        static AttributeUsageData AttributeUsageDataTable[(uint)AttributeUsage::NumUsages] =
        {
            // {friendlyName, semanticName}
            { "Position", "POSITION" },
            { "Color", "COLOR" },
            { "Normal", "NORMAL" },
            { "TexCoord", "TEXCOORD" },
            { "Weights", "BLENDWEIGHT" },
            { "Indices", "BLENDINDICES" },
            { "Tangent", "TEXCOORD" },
            { "BiTangent", "TEXCOORD" }
        };

        // This enum must have 32 or less entries as 5 bits are used to store type.
        enum class AttributeType : uint8
        {
            Float16_1 = 0,
            Float16_2,
            Float16_4,

            Float32_1,
            Float32_2,
            Float32_3,
            Float32_4,

            Byte_1,
            Byte_2,
            Byte_4,

            Short_1,
            Short_2,
            Short_4,

            UInt16_1,
            UInt16_2,
            UInt16_4,

            UInt32_1,
            UInt32_2,
            UInt32_3,
            UInt32_4,

            NumTypes
        };    

        struct AttributeTypeData
        {
            AZStd::string friendlyName;
            uint8 byteSize;
        };

        static AttributeTypeData AttributeTypeDataTable[(unsigned int)AZ::Vertex::AttributeType::NumTypes] =
        {
            { "Float16_1", 2 },
            { "Float16_2", 4 },
            { "Float16_4", 8 },

            { "Float32_1", 4 },
            { "Float32_2", 8 },
            { "Float32_3", 12 },
            { "Float32_4", 16 },

            { "Byte_1", 1 },
            { "Byte_2", 2 },
            { "Byte_4", 4 },

            { "Short_1", 2 },
            { "Short_2", 4 },
            { "Short_4", 8 },

            { "UInt16_1", 2 },
            { "UInt16_2", 4 },
            { "UInt16_4", 8 },

            { "UInt32_1", 4 },
            { "UInt32_2", 8 },
            { "UInt32_3", 12 },
            { "UInt32_4", 16 },
        };

        //! Stores the usage, type, and byte length of an individual vertex attribute
        class Attribute
        {
        public:
            // Usage stored in the 3 lower bits and Type stored in the 5 upper bits.
            static const uint8 kUsageBitCount = 3;
            static const uint8 kUsageMask = 0x07;
            static const uint8 kTypeMask = 0xf8;
            static uint8 CreateAttribute(AttributeUsage usage, AttributeType type)
            {
                return (static_cast<uint8>(type) << kUsageBitCount) | static_cast<uint8>(usage);
            }
            static AttributeUsage GetUsage(const uint8 attribute)
            { 
                return static_cast<AttributeUsage>(attribute & kUsageMask);
            }
            static AttributeType GetType(const uint8 attribute)
            { 
                return static_cast<AttributeType>((attribute & kTypeMask) >> kUsageBitCount);
            }
            static uint8 GetByteLength(const uint8 attribute)
            { 
                return AttributeTypeDataTable[(uint)GetType(attribute)].byteSize;
            }
            static const AZStd::string& GetSemanticName(uint8 attribute)
            {
                return AttributeUsageDataTable[(uint)GetUsage(attribute)].semanticName;
            }
        };

        //! Flexible vertex format class
        class Format
        {
        public:
            Format(){};


            //! Conversion from old hard-coded EVertexFormat enum to new, flexible vertex class
            Format(EVertexFormat format)
            {
                m_enum = eVF_Unknown;
                m_numAttributes = 0;
                switch (format)
                {
                case eVF_Unknown:
                    m_enum = eVF_Unknown;
                    break;
                case eVF_P3F_C4B_T2F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Byte_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    m_enum = eVF_P3F_C4B_T2F;
                    break;
                case eVF_P3F_C4B_T2F_T2F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Byte_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    m_enum = eVF_P3F_C4B_T2F_T2F;
                    break;
                case eVF_P3S_C4B_T2S:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float16_4));// vec3f16 is backed by a CryHalf4
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Byte_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float16_2));
                    m_enum = eVF_P3S_C4B_T2S;
                    break;
                case eVF_P3S_C4B_T2S_T2S:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float16_4));// vec3f16 is backed by a CryHalf4
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Byte_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float16_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float16_2));
                    m_enum = eVF_P3S_C4B_T2S_T2S;
                    break;
                case eVF_P3S_N4B_C4B_T2S:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float16_4));// vec3f16 is backed by a CryHalf4
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Normal, AttributeType::Byte_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Byte_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float16_2));
                    m_enum = eVF_P3S_N4B_C4B_T2S;
                    break;
                case eVF_P3F_C4B_T4B_N3F2:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Byte_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Byte_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Tangent, AttributeType::Float32_3));//x-axis
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::BiTangent, AttributeType::Float32_3));//y-axis
#ifdef PARTICLE_MOTION_BLUR // Nonfunctional and disabled.
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));//prevPos
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Tangent, AttributeType::Float32_3));//prevXTan
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::BiTangent, AttributeType::Float32_3));//prevYTan
#endif
                    m_enum = eVF_P3F_C4B_T4B_N3F2;// Particles.
                    break;
                case eVF_TP3F_C4B_T2F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Byte_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    m_enum = eVF_TP3F_C4B_T2F;// Fonts (28 bytes).
                    break;
                case eVF_TP3F_T2F_T3F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    m_enum = eVF_TP3F_T2F_T3F;
                    break;
                case eVF_P3F_T3F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    m_enum = eVF_P3F_T3F; // Miscellaneus.
                    break;
                case eVF_P3F_T2F_T3F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    m_enum = eVF_P3F_T2F_T3F;
                    break;
                // Additional streams
                case eVF_T2F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    m_enum = eVF_T2F; // Light maps TC (8 bytes).
                    break;
                case eVF_W4B_I4S:// Skinned weights/indices stream.
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Weights, AttributeType::Byte_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Indices, AttributeType::UInt16_4));
                    m_enum = eVF_W4B_I4S;
                    break;
                case eVF_C4B_C4B:// SH coefficients.
                    // We use the "Weights" usage since sh coefs use an unknown usage of 4 bytes.
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Weights, AttributeType::Byte_4));    //coef0
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Weights, AttributeType::Byte_4));    //coef1
                    m_enum = eVF_C4B_C4B;
                    break;
                case eVF_P3F_P3F_I4B:// Shape deformation stream.
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));    //thin
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));    //fat
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Indices, AttributeType::Byte_4));
                    m_enum = eVF_P3F_P3F_I4B;
                    break;
                case eVF_P3F:// Velocity stream.
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    m_enum = eVF_P3F;
                    break;
                case eVF_C4B_T2S:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Byte_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float16_2));
                    m_enum = eVF_C4B_T2S;// General (Position is merged with Tangent stream)
                    break;
                case eVF_P2F_T4F_C4F: // Lens effects simulation
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    m_enum = eVF_P2F_T4F_C4F;
                    break;
                case eVF_P2F_T4F_T4F_C4F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    m_enum = eVF_P2F_T4F_T4F_C4F;
                    break;
                case eVF_P2S_N4B_C4B_T1F:// terrain
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float16_2));// xy-coordinates in terrain
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Normal, AttributeType::Byte_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Byte_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));// z-coordinate in terrain
                    m_enum = eVF_P2S_N4B_C4B_T1F;
                    break;
                case eVF_P3F_C4B_T2S:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Byte_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float16_2));
                    m_enum = eVF_P3F_C4B_T2S;
                    break;
                case eVF_P2F_C4B_T2F_F4B:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Byte_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Indices, AttributeType::UInt16_2));
                    m_enum = eVF_P2F_C4B_T2F_F4B;
                    break;
                case eVF_P3F_C4B:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Byte_4));
                    m_enum = eVF_P3F_C4B;
                    break;
                case eVF_P3F_C4F_T2F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    m_enum = eVF_P3F_C4F_T2F;
                    break;
                case eVF_P3F_C4F_T2F_T3F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    m_enum = eVF_P3F_C4F_T2F_T3F;
                    break;
                case eVF_P3F_C4F_T2F_T3F_T3F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    m_enum = eVF_P3F_C4F_T2F_T3F_T3F;
                    break;
                case eVF_P3F_C4F_T2F_T1F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    m_enum = eVF_P3F_C4F_T2F_T1F;
                    break;
                case eVF_P3F_C4F_T2F_T1F_T3F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    m_enum = eVF_P3F_C4F_T2F_T1F_T3F;
                    break;
                case eVF_P3F_C4F_T2F_T1F_T3F_T3F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    m_enum = eVF_P3F_C4F_T2F_T1F_T3F_T3F;
                    break;
                case eVF_P3F_C4F_T4F_T2F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    m_enum = eVF_P3F_C4F_T4F_T2F;
                    break;
                case eVF_P3F_C4F_T4F_T2F_T3F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    m_enum = eVF_P3F_C4F_T4F_T2F_T3F;
                    break;
                case eVF_P3F_C4F_T4F_T2F_T3F_T3F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    m_enum = eVF_P3F_C4F_T4F_T2F_T3F_T3F;
                    break;
                case eVF_P3F_C4F_T4F_T2F_T1F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    m_enum = eVF_P3F_C4F_T4F_T2F_T1F;
                    break;
                case eVF_P3F_C4F_T4F_T2F_T1F_T3F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    m_enum = eVF_P3F_C4F_T4F_T2F_T1F_T3F;
                    break;
                case eVF_P3F_C4F_T4F_T2F_T1F_T3F_T3F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    m_enum = eVF_P3F_C4F_T4F_T2F_T1F_T3F_T3F;
                    break;
                case eVF_P3F_C4F_T2F_T2F_T1F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    m_enum = eVF_P3F_C4F_T2F_T2F_T1F;
                    break;
                case eVF_P3F_C4F_T2F_T2F_T1F_T3F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    m_enum = eVF_P3F_C4F_T2F_T2F_T1F_T3F;
                    break;
                case eVF_P3F_C4F_T2F_T2F_T1F_T3F_T3F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    m_enum = eVF_P3F_C4F_T2F_T2F_T1F_T3F_T3F;
                    break;
                case eVF_P3F_C4F_T2F_T2F_T1F_T1F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    m_enum = eVF_P3F_C4F_T2F_T2F_T1F_T1F;
                    break;
                case eVF_P3F_C4F_T2F_T2F_T1F_T1F_T3F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    m_enum = eVF_P3F_C4F_T2F_T2F_T1F_T1F_T3F;
                    break;
                case eVF_P3F_C4F_T2F_T2F_T1F_T1F_T3F_T3F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    m_enum = eVF_P3F_C4F_T2F_T2F_T1F_T1F_T3F_T3F;
                    break;
                case eVF_P4F_T2F_C4F_T4F_T4F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    m_enum = eVF_P4F_T2F_C4F_T4F_T4F;
                    break;
                case eVF_P3F_C4F_T2F_T4F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    m_enum = eVF_P3F_C4F_T2F_T4F;
                    break;
                case eVF_P3F_C4F_T2F_T3F_T4F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    m_enum = eVF_P3F_C4F_T2F_T3F_T4F;
                    break;
                case eVF_P3F_C4F_T2F_T3F_T3F_T4F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    m_enum = eVF_P3F_C4F_T2F_T3F_T3F_T4F;
                    break;
                case eVF_P3F_C4F_T2F_T1F_T4F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    m_enum = eVF_P3F_C4F_T2F_T1F_T4F;
                    break;
                case eVF_P3F_C4F_T2F_T1F_T3F_T4F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    m_enum = eVF_P3F_C4F_T2F_T1F_T3F_T4F;
                    break;
                case eVF_P3F_C4F_T2F_T1F_T3F_T3F_T4F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    m_enum = eVF_P3F_C4F_T2F_T1F_T3F_T3F_T4F;
                    break;
                case eVF_P3F_C4F_T4F_T2F_T4F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    m_enum = eVF_P3F_C4F_T4F_T2F_T4F;
                    break;
                case eVF_P3F_C4F_T4F_T2F_T3F_T4F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    m_enum = eVF_P3F_C4F_T4F_T2F_T3F_T4F;
                    break;
                case eVF_P3F_C4F_T4F_T2F_T3F_T3F_T4F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    m_enum = eVF_P3F_C4F_T4F_T2F_T3F_T3F_T4F;
                    break;
                case eVF_P3F_C4F_T4F_T2F_T1F_T4F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    m_enum = eVF_P3F_C4F_T4F_T2F_T1F_T4F;
                    break;
                case eVF_P3F_C4F_T4F_T2F_T1F_T3F_T4F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    m_enum = eVF_P3F_C4F_T4F_T2F_T1F_T3F_T4F;
                    break;
                case eVF_P3F_C4F_T4F_T2F_T1F_T3F_T3F_T4F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    m_enum = eVF_P3F_C4F_T4F_T2F_T1F_T3F_T3F_T4F;
                    break;
                case eVF_P3F_C4F_T2F_T2F_T1F_T4F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    m_enum = eVF_P3F_C4F_T2F_T2F_T1F_T4F;
                    break;
                case eVF_P3F_C4F_T2F_T2F_T1F_T3F_T4F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    m_enum = eVF_P3F_C4F_T2F_T2F_T1F_T3F_T4F;
                    break;
                case eVF_P3F_C4F_T2F_T2F_T1F_T3F_T3F_T4F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    m_enum = eVF_P3F_C4F_T2F_T2F_T1F_T3F_T3F_T4F;
                    break;
                case eVF_P3F_C4F_T2F_T2F_T1F_T1F_T4F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    m_enum = eVF_P3F_C4F_T2F_T2F_T1F_T1F_T4F;
                    break;
                case eVF_P3F_C4F_T2F_T2F_T1F_T1F_T3F_T4F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    m_enum = eVF_P3F_C4F_T2F_T2F_T1F_T1F_T3F_T4F;
                    break;
                case eVF_P3F_C4F_T2F_T2F_T1F_T1F_T3F_T3F_T4F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    m_enum = eVF_P3F_C4F_T2F_T2F_T1F_T1F_T3F_T3F_T4F;
                    break;
                case eVF_P4F_T2F_C4F_T4F_T4F_T4F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    m_enum = eVF_P4F_T2F_C4F_T4F_T4F_T4F;
                    break;
                case eVF_P3F_C4F_T2F_T4F_T4F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    m_enum = eVF_P3F_C4F_T2F_T4F_T4F;
                    break;
                case eVF_P3F_C4F_T2F_T3F_T4F_T4F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    m_enum = eVF_P3F_C4F_T2F_T3F_T4F_T4F;
                    break;
                case eVF_P3F_C4F_T2F_T3F_T3F_T4F_T4F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    m_enum = eVF_P3F_C4F_T2F_T3F_T3F_T4F_T4F;
                    break;
                case eVF_P3F_C4F_T2F_T1F_T4F_T4F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    m_enum = eVF_P3F_C4F_T2F_T1F_T4F_T4F;
                    break;
                case eVF_P3F_C4F_T2F_T1F_T3F_T4F_T4F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    m_enum = eVF_P3F_C4F_T2F_T1F_T3F_T4F_T4F;
                    break;
                case eVF_P3F_C4F_T2F_T1F_T3F_T3F_T4F_T4F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    m_enum = eVF_P3F_C4F_T2F_T1F_T3F_T3F_T4F_T4F;
                    break;
                case eVF_P3F_C4F_T4F_T2F_T4F_T4F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    m_enum = eVF_P3F_C4F_T4F_T2F_T4F_T4F;
                    break;
                case eVF_P3F_C4F_T4F_T2F_T3F_T4F_T4F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    m_enum = eVF_P3F_C4F_T4F_T2F_T3F_T4F_T4F;
                    break;
                case eVF_P3F_C4F_T4F_T2F_T3F_T3F_T4F_T4F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    m_enum = eVF_P3F_C4F_T4F_T2F_T3F_T3F_T4F_T4F;
                    break;
                case eVF_P3F_C4F_T4F_T2F_T1F_T4F_T4F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    m_enum = eVF_P3F_C4F_T4F_T2F_T1F_T4F_T4F;
                    break;
                case eVF_P3F_C4F_T4F_T2F_T1F_T3F_T4F_T4F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    m_enum = eVF_P3F_C4F_T4F_T2F_T1F_T3F_T4F_T4F;
                    break;
                case eVF_P3F_C4F_T4F_T2F_T1F_T3F_T3F_T4F_T4F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    m_enum = eVF_P3F_C4F_T4F_T2F_T1F_T3F_T3F_T4F_T4F;
                    break;
                case eVF_P3F_C4F_T2F_T2F_T1F_T4F_T4F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    m_enum = eVF_P3F_C4F_T2F_T2F_T1F_T4F_T4F;
                    break;
                case eVF_P3F_C4F_T2F_T2F_T1F_T3F_T4F_T4F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    m_enum = eVF_P3F_C4F_T2F_T2F_T1F_T3F_T4F_T4F;
                    break;
                case eVF_P3F_C4F_T2F_T2F_T1F_T3F_T3F_T4F_T4F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    m_enum = eVF_P3F_C4F_T2F_T2F_T1F_T3F_T3F_T4F_T4F;
                    break;
                case eVF_P3F_C4F_T2F_T2F_T1F_T1F_T4F_T4F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    m_enum = eVF_P3F_C4F_T2F_T2F_T1F_T1F_T4F_T4F;
                    break;
                case eVF_P3F_C4F_T2F_T2F_T1F_T1F_T3F_T4F_T4F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    m_enum = eVF_P3F_C4F_T2F_T2F_T1F_T1F_T3F_T4F_T4F;
                    break;
                case eVF_P3F_C4F_T2F_T2F_T1F_T1F_T3F_T3F_T4F_T4F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_1));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_3));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    m_enum = eVF_P3F_C4F_T2F_T2F_T1F_T1F_T3F_T3F_T4F_T4F;
                    break;
                case eVF_P4F_T2F_C4F_T4F_T4F_T4F_T4F:
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Position, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_2));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::Color, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    AddAttribute(Attribute::CreateAttribute(AttributeUsage::TexCoord, AttributeType::Float32_4));
                    m_enum = eVF_P4F_T2F_C4F_T4F_T4F_T4F_T4F;
                    break;
                case eVF_Max:
                default:
                    AZ_Error("VF", false, "Invalid vertex format");
                    m_enum = eVF_Unknown;
                }
                CalculateStrideAndUsageCounts();
            }

            //! Get the equivalent old-style EVertexFormat enum
            uint GetEnum() const { return m_enum; }

            static const uint8 kHas16BitFloatPosition  = 0x4;
            static const uint8 kHas16BitFloatTexCoords = 0x2;
            static const uint8 kHas32BitFloatTexCoords = 0x1;

            
            //! Helper function to check to see if the vertex format has a position attribute that uses 16 bit floats for the underlying type
            bool Has16BitFloatPosition() const
            {
                return (m_flags & kHas16BitFloatPosition) != 0x0;
            }
            
            //! Helper function to check to see if the vertex format has a texture coordinate attribute that uses 16 bit floats for the underlying type
            bool Has16BitFloatTextureCoordinates() const
            {
                return (m_flags & kHas16BitFloatTexCoords) != 0x0;
            }

            //! Helper function to check to see if the vertex format has a texture coordinate attribute that uses 32 bit floats for the underlying type
            bool Has32BitFloatTextureCoordinates() const
            {
                return (m_flags & kHas32BitFloatTexCoords) != 0x0;
            }


            uint32 GetAttributeUsageCount(AttributeUsage usage) const
            {
                return (uint32)m_attributeUsageCounts[(uint)usage];
            }

            bool TryGetAttributeOffsetAndType(AttributeUsage usage, uint32 index, uint& outOffset, AttributeType& outType) const
            {
                outOffset = 0;
                outType = AttributeType::NumTypes;
                for (uint ii=0; ii < m_numAttributes; ++ii)
                {
                    uint8 attribute = m_vertexAttributes[ii];
                    if (Attribute::GetUsage(attribute) == usage)
                    {
                        if (index == 0)
                        {
                            outType = Attribute::GetType(attribute);
                            return true;
                        }
                        else
                        {
                            --index;
                        }
                    }
                    outOffset += Attribute::GetByteLength(attribute);
                }
                return false;
            }

            uint8 GetAttributeByteLength(AttributeUsage usage) const
            {
                for (uint ii = 0; ii < m_numAttributes; ++ii)
                {
                    uint8 attribute = m_vertexAttributes[ii];
                    if (Attribute::GetUsage(attribute) == usage)
                    {
                        return Attribute::GetByteLength(attribute);
                    }
                }
                return 0;
            }


            const uint8* GetAttributes( uint32 &outCount) const
            {
                outCount = m_numAttributes;
                return m_vertexAttributes;
            }

            //! Return true if the vertex format is a superset of the input
            bool IsSupersetOf(const AZ::Vertex::Format& input) const
            {
                uint32 count = 0;
                const uint8* attributes = input.GetAttributes(count);
                for ( uint8 ii=0; ii<count; ++ii)
                {
                    const uint8 attribute = attributes[ii];
                    if (GetAttributeUsageCount(Attribute::GetUsage(attribute)) < input.GetAttributeUsageCount(Attribute::GetUsage(attribute)))
                    {
                        return false;
                    }
                }
                return true;
            }

            uint GetStride(void) const { return m_stride; }
            
            //! Returns the true if an attribute with the given usage is found, false otherwise
            bool TryCalculateOffset(uint& offset, AttributeUsage usage, uint index = 0) const
            {
                offset = 0;
                for (uint ii = 0; ii < m_numAttributes; ++ii)
                {
                    uint8 attribute = m_vertexAttributes[ii];
                    if (Attribute::GetUsage(attribute) == usage)
                    {
                        if (index == 0)
                        {
                            return true;
                        }
                        else
                        {
                            --index;
                        }
                    }
                    offset += Attribute::GetByteLength(attribute);
                }
                return false;
            }

            // Quick comparison operators.
            bool operator==(const Format& other) const
            {
                return m_enum == other.m_enum;
            }
            bool operator!=(const Format& other) const
            {
                return !(*this == other);
            }
            bool operator==(const EVertexFormat& other) const
            {
                return m_enum == other;
            }
            // Used in RendermeshMerger.cpp
            // CHWShader_D3D::mfUpdateFXVertexFormat and CHWShader_D3D::mfVertexFormat want the max between two vertex formats...why? It seems like a bad guess of which vertex format to use since there's no particular order to EVertexFormats...other than the more specialized EVertexFormats come after the base EVertexFormats
            bool operator<(const Format& other) const
            {
                return m_enum < other.m_enum;
            }
            bool operator<=(const Format& other) const
            {
                return (*this == other || *this < other);
            }
            bool operator>(const Format& other) const
            {
                return !(*this <= other);
            }
            bool operator>=(const Format& other) const
            {
                return (*this == other || *this > other);
            }
        private:
            void AddAttribute(uint8 attribute)
            {
                AZ_Assert(m_numAttributes < kMaxAttributes, "Too many attributes added.  Change the size of kMaxAttributes");
                m_vertexAttributes[m_numAttributes++] = attribute;

                // Update the flags.
                AttributeUsage usage = Attribute::GetUsage(attribute);
                AttributeType type = Attribute::GetType(attribute);
                if (usage == AttributeUsage::TexCoord)
                {
                    if (type == AttributeType::Float16_2) {
                        m_flags |= kHas16BitFloatTexCoords;
                    }
                    else if (type == AttributeType::Float32_2 || type == AttributeType::Float32_3 || type == AttributeType::Float32_4) {
                        m_flags |= kHas32BitFloatTexCoords;
                    }
                }
                else if (usage == AttributeUsage::Position && type == AttributeType::Float16_4) {
                    m_flags |= kHas16BitFloatPosition;
                }
            }

            //! Calculates the sum of the size in bytes of all attributes that make up this format
            void CalculateStrideAndUsageCounts()
            {
                static_assert((uint32)AttributeUsage::NumUsages <= 8, "We use 3 bits to represent usage so we only support 8 usages for a vertex format attribute.");
                static_assert((uint32)AttributeType::NumTypes <= 32, "We use 5 bits to represent type so we only support up to 32 types for a vertex format attribute.");

                for (uint index = 0; index < (uint)AttributeUsage::NumUsages; ++index)
                {
                    m_attributeUsageCounts[index] = 0;
                }
                uint32 stride = 0;
                for (uint ii = 0; ii < m_numAttributes; ++ii)
                {
                    uint8 attribute = m_vertexAttributes[ii];
                    stride += Attribute::GetByteLength(attribute);
                    m_attributeUsageCounts[(uint)Attribute::GetUsage(attribute)]++;
                }
                AZ_Assert(stride < (0x1 << (sizeof(m_stride) * 8)), "Vertex stride is larger than the maximum supported, update the type for m_stride in Vertex.h");

                m_stride = stride;
            }
            


#ifdef PARTICLE_MOTION_BLUR
            static const uint32_t kMaxAttributes = 8;
#else
            static const uint32_t kMaxAttributes = 10;
#endif
            uint8 m_vertexAttributes[kMaxAttributes] = { 0 };

            uint8 m_attributeUsageCounts[(uint)AttributeUsage::NumUsages] = { 0 };
            uint8 m_numAttributes = 0;
            uint8 m_enum = eVF_Unknown;
            uint8 m_stride = 0;
            uint8 m_flags = 0x0;
        };


        // bNeedNormals=1 - float normals; bNeedNormals=2 - byte normals //waltont TODO (this was copied as is from vertexformats.h) this comment is out of date and the function does not even use all the parameters. This should be replaceable with the new vertex class, and should be replaced when refactoring CHWShader_D3D::mfVertexFormat which handles the shader parsing/serialization
        _inline Format VertFormatForComponents(bool bNeedCol, bool bHasTC, bool bHasTC2, bool bHasPS, bool bHasNormal)
        {
            AZ::Vertex::Format RequestedVertFormat;

            if (bHasPS)
            {
                RequestedVertFormat = AZ::Vertex::Format(eVF_P3F_C4B_T4B_N3F2);
            }
            else
            if (bHasNormal)
            {
                RequestedVertFormat = AZ::Vertex::Format(eVF_P3S_N4B_C4B_T2S);
            }
            else
            {
                if (!bHasTC2)
                {
                    RequestedVertFormat = AZ::Vertex::Format(eVF_P3S_C4B_T2S);
                }
                else
                {
                    RequestedVertFormat = AZ::Vertex::Format(eVF_P3F_C4B_T2F_T2F);
                }
            }

            return RequestedVertFormat;
        }
    }
}