/*==============================================================================
Copyright(c) 2017 Intel Corporation

Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files(the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and / or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.
============================================================================*/
#pragma once

#ifdef __cplusplus
#include "GmmMemAllocator.hpp"
#include "GmmCachePolicy.h"
#include "GmmUtil.h"
#include "GmmInfoExt.h"
#include "GmmInfo.h"
#include "../../../Platform/GmmPlatforms.h"
#include "../../../../inc/common/gfxmacro.h"
#include "GmmClientContext.h"

// Macro definitions
#ifndef __GMM_ASSERT
    // Needs to be defined before including this file. If not defined, then
    // we'll nop these macros.
    #define __GMM_ASSERT(expr)
    #define GMM_ASSERTDPF(expr, ret)
    #define __GMM_ASSERTPTR(expr, ret)
#endif

/////////////////////////////////////////////////////////////////////////////////////
/// @file GmmResourceInfoCommon.h
/// @brief This file contains the functions and members of GmmResourceInfo that is
///       common for both Linux and Windows.
///
/////////////////////////////////////////////////////////////////////////////////////
namespace GmmLib
{
    /////////////////////////////////////////////////////////////////////////
    /// Contains functions and members that are common between Linux and
    /// Windows implementation.  This class is inherited by the Linux and
    /// Windows specific class, so clients shouldn't have to ever interact
    /// with this class directly.
    /////////////////////////////////////////////////////////////////////////
    class GMM_LIB_API NON_PAGED_SECTION GmmResourceInfoCommon:
                            public GmmMemAllocator
    {
        protected:
            /// Type of Client type using the library. Can be used by GmmLib to
            /// implement client specific functionality.
            GMM_CLIENT                          ClientType;
            GMM_TEXTURE_INFO                    Surf;                       ///< Contains info about the surface being created
            GMM_TEXTURE_INFO                    AuxSurf;                    ///< Contains info about the auxiliary surface if using Unified Auxiliary surfaces.
            GMM_TEXTURE_INFO                    AuxSecSurf;                 ///< For multi-Aux surfaces, contains info about the secondary auxiliary surface
            GMM_TEXTURE_INFO                    PlaneSurf[GMM_MAX_PLANE];   ///< Contains info for each plane for tiled Ys/Yf planar resources

            uint32_t                            RotateInfo;
            GMM_EXISTING_SYS_MEM                ExistingSysMem;     ///< Info about resources initialized with existing system memory
            GMM_GFX_ADDRESS                     SvmAddress;         ///< Driver managed SVM address

            uint64_t                            pGmmLibContext;     ///< Pointer to GmmLib context passed in during Create()
            uint64_t                            pPrivateData;       ///< Allows clients to attach any private data to GmmResourceInfo
#ifdef __GMM_KMD__
            void                               *pClientContext;    ///< void * in oreder to of same size for the ResInfo Object across KMD and UMD
#else
            GmmClientContext                   *pClientContext;    ///< ClientContext of the client creating this Resource
#endif

        private:
            GMM_STATUS          ApplyExistingSysMemRestrictions();

        protected:
            /* Function prototypes */
            GMM_VIRTUAL bool                IsPresentableformat();
            // Move GMM Restrictions to it's own class?
            GMM_VIRTUAL void                GetGenericRestrictions(__GMM_BUFFER_TYPE *pBuff);
            GMM_VIRTUAL __GMM_BUFFER_TYPE*  GetBestRestrictions(__GMM_BUFFER_TYPE *pFirstBuffer, const __GMM_BUFFER_TYPE *pSecondBuffer);
            virtual bool        CopyClientParams(GMM_RESCREATE_PARAMS &CreateParams);
            GMM_VIRTUAL bool                RedescribePlanes();
            GMM_VIRTUAL bool                ReAdjustPlaneProperties(bool IsAuxSurf);
            GMM_VIRTUAL const GMM_PLATFORM_INFO& GetPlatformInfo();

            /* Inline functions */
            /////////////////////////////////////////////////////////////////////////////////////
            /// Checks where the restrictions are invalid or not
            /// @param[in]  pRestriction Restrictions to check
            /// @return     true if restriction is invalid. false otherwise.
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE bool IsRestrictionInvalid(__GMM_BUFFER_TYPE *pRestriction)
            {
                return ((pRestriction->MinDepth == 0xffffffff) ? true : false);
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns restrictions for a linear buffer.
            /// @param[out]     pBuff Restrictions are returned in this buffer
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE void GetLinearRestrictions(__GMM_BUFFER_TYPE* pBuff)
            {
                *pBuff = GMM_OVERRIDE_PLATFORM_INFO(&Surf)->Linear;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns restrictions for the primary buffer.
            /// @param[out]     pBuff Restrictions are returned in this buffer
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE void GetPrimaryRestrictions(__GMM_BUFFER_TYPE* pBuff)
            {
                *pBuff = GMM_OVERRIDE_PLATFORM_INFO(&Surf)->ASyncFlipSurface;
            }

        public:
            /* Constructors */
            GmmResourceInfoCommon():
                ClientType(),
                Surf(),
                AuxSurf(),
                AuxSecSurf(),
                PlaneSurf{},
                RotateInfo(),
                ExistingSysMem(),
                SvmAddress(),
                pGmmLibContext(),
                pPrivateData(),
                pClientContext()
            {
#if (!defined(__GMM_KMD__) && !defined(GMM_UNIFIED_LIB))
                // For clients, who derive classes from GMM class and call their derived class constructors
                if (pGmmGlobalContext) // Client ULT does new on ResInfo without calling GmmInitGlobalContext.
                {
                    pClientContext = pGmmGlobalContext->pGmmGlobalClientContext;
                    GET_GMM_CLIENT_TYPE(pClientContext, ClientType);
                }
#endif
            }

#ifndef __GMM_KMD__
            GmmResourceInfoCommon(GmmClientContext  *pClientContextIn) :
                ClientType(),
                Surf(),
                AuxSurf(),
                AuxSecSurf(),
                PlaneSurf{},
                RotateInfo(),
                ExistingSysMem(),
                SvmAddress(),
                pGmmLibContext(),
                pPrivateData(),
                pClientContext()
            {
                pClientContext = pClientContextIn;
            }
#endif

            GmmResourceInfoCommon& operator=(const GmmResourceInfoCommon& rhs)
            {
                ClientType          = rhs.ClientType;
                Surf                = rhs.Surf;
                AuxSurf             = rhs.AuxSurf;
                RotateInfo          = rhs.RotateInfo;
                ExistingSysMem      = rhs.ExistingSysMem;
                SvmAddress          = rhs.SvmAddress;
                pPrivateData        = rhs.pPrivateData;
                pGmmLibContext      = rhs.pGmmLibContext;

                return *this;
            }

            virtual ~GmmResourceInfoCommon()
            {
                if (ExistingSysMem.pVirtAddress && ExistingSysMem.IsGmmAllocated)
                {
                    GMM_FREE((void *)ExistingSysMem.pVirtAddress);
                }
            }

            /* Function prototypes */
            // Overloaded Create function to keep backward compatible. This shall be deprecated soon
            GMM_VIRTUAL GMM_STATUS              GMM_STDCALL Create(Context &GmmLibContext, GMM_RESCREATE_PARAMS &CreateParams);
            GMM_VIRTUAL uint8_t                 GMM_STDCALL ValidateParams();
            GMM_VIRTUAL GMM_STATUS              GMM_STDCALL Create(GMM_RESCREATE_PARAMS &CreateParams);
            GMM_VIRTUAL void                    GMM_STDCALL GetRestrictions(__GMM_BUFFER_TYPE& Restrictions);
            GMM_VIRTUAL uint32_t                GMM_STDCALL GetPaddedWidth(uint32_t MipLevel);
            GMM_VIRTUAL uint32_t                GMM_STDCALL GetPaddedHeight(uint32_t MipLevel);
            GMM_VIRTUAL uint32_t                GMM_STDCALL GetPaddedPitch(uint32_t MipLevel);
            GMM_VIRTUAL uint32_t                GMM_STDCALL GetQPitch();
            GMM_VIRTUAL GMM_STATUS              GMM_STDCALL GetOffset(GMM_REQ_OFFSET_INFO &ReqInfo);
            GMM_VIRTUAL uint8_t                 GMM_STDCALL CpuBlt(GMM_RES_COPY_BLT *pBlt);
            GMM_VIRTUAL uint8_t                 GMM_STDCALL GetMappingSpanDesc(GMM_GET_MAPPING *pMapping);
            GMM_VIRTUAL uint8_t                 GMM_STDCALL Is64KBPageSuitable();
            GMM_VIRTUAL void                    GMM_STDCALL GetTiledResourceMipPacking(uint32_t *pNumPackedMips,
                                                                           uint32_t *pNumTilesForPackedMips);
            GMM_VIRTUAL uint32_t                GMM_STDCALL GetPackedMipTailStartLod();
            GMM_VIRTUAL uint8_t                 GMM_STDCALL GetDisplayFastClearSupport();
            GMM_VIRTUAL uint8_t                 GMM_STDCALL GetDisplayCompressionSupport();
            GMM_VIRTUAL uint32_t                GMM_STDCALL GetCompressionBlockWidth();
            GMM_VIRTUAL uint32_t                GMM_STDCALL GetCompressionBlockHeight();
            GMM_VIRTUAL uint32_t                GMM_STDCALL GetCompressionBlockDepth();
            GMM_VIRTUAL uint8_t                 GMM_STDCALL IsArraySpacingSingleLod();
            GMM_VIRTUAL uint8_t                 GMM_STDCALL IsASTC();
            GMM_VIRTUAL MEMORY_OBJECT_CONTROL_STATE GMM_STDCALL GetMOCS();
            GMM_VIRTUAL uint32_t                GMM_STDCALL GetStdTilingModeExtSurfaceState();
            GMM_VIRTUAL GMM_SURFACESTATE_FORMAT GMM_STDCALL GetResourceFormatSurfaceState();
            GMM_VIRTUAL GMM_GFX_SIZE_T          GMM_STDCALL GetMipWidth(uint32_t MipLevel);
            GMM_VIRTUAL uint32_t                GMM_STDCALL GetMipHeight(uint32_t MipLevel);
            GMM_VIRTUAL uint32_t                GMM_STDCALL GetMipDepth(uint32_t MipLevel);
            GMM_VIRTUAL uint64_t                GMM_STDCALL GetFastClearWidth(uint32_t MipLevel);
            GMM_VIRTUAL uint32_t                GMM_STDCALL GetFastClearHeight(uint32_t MipLevel);


            /* inline functions */

#ifndef __GMM_KMD__
            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns GmmClientContext associated with this resource
            /// @return ::GmmClientContext
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED GmmClientContext* GetGmmClientContext()
            {
                return pClientContext;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Sets GmmClientContext to be associated with this resource
            /// @return ::void
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED void SetGmmClientContext(GmmClientContext* pGmmClientContext)
            {
                pClientContext = pGmmClientContext;
                GET_GMM_CLIENT_TYPE(pGmmClientContext, ClientType);
            }
#endif

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns GMM_CLIENT Type that has created this resource
            /// @return ::GMM_CLIENT
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED GMM_CLIENT GetClientType()
            {
                return ClientType;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns the system memory pointer. It selectively returns either the natural
            /// pointer or a value appriopriately page aligned for D3DDI_ALLOCATIONINFO,
            /// depending on what the caller request.
            /// @param[in]      IsD3DDdiAllocation: Specifies where allocation was made by a D3D client
            /// @return         Pointer to system memory. NULL if not available.
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED void* GMM_STDCALL GetSystemMemPointer(uint8_t IsD3DDdiAllocation)
            {
                if (IsD3DDdiAllocation)
                {
                    return (void *)GMM_GFX_ADDRESS_CANONIZE(ExistingSysMem.pGfxAlignedVirtAddress);
                }
                else
                {
                    return (void *)GMM_GFX_ADDRESS_CANONIZE(ExistingSysMem.pVirtAddress);
                }
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns the system memory size.
            /// @return     Size of memory.
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED GMM_GFX_SIZE_T GMM_STDCALL GetSystemMemSize()
            {
                return ExistingSysMem.Size;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns a reference to the surface flags.
            /// @return     Reference to ::GMM_RESOURCE_FLAGS
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED GMM_RESOURCE_FLAG& GMM_STDCALL GetResFlags()
            {
                return Surf.Flags;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns the resource type
            /// @return     ::GMM_RESOURCE_TYPE
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED GMM_RESOURCE_TYPE GMM_STDCALL GetResourceType()
            {
                return Surf.Type;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns the resource format
            /// @return     ::GMM_RESOURCE_FORMAT
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED GMM_RESOURCE_FORMAT GMM_STDCALL GetResourceFormat()
            {
                return Surf.Format;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns the resource width
            /// @return     width
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED GMM_GFX_SIZE_T GMM_STDCALL GetBaseWidth()
            {
                return Surf.BaseWidth;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns the resource height
            /// @return     height
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED uint32_t GMM_STDCALL GetBaseHeight()
            {
                return Surf.BaseHeight;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns the resource depth
            /// @return     depth
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED uint32_t GMM_STDCALL GetBaseDepth()
            {
                return Surf.Depth;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns the resource's base alignment
            /// @return     Base Alignment
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED uint32_t GMM_STDCALL GetBaseAlignment()
            {
                return Surf.Alignment.BaseAlignment;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns the resource's max lod
            /// @return     Max Lod
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED uint32_t GMM_STDCALL GetMaxLod()
            {
                return Surf.MaxLod;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns the resource's max array size
            /// @return     Max Array Size
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED uint32_t GMM_STDCALL GetArraySize()
            {
                return Surf.ArraySize;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns the resource's rotation info
            /// @return    rotation info
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED uint32_t GMM_STDCALL GetRotateInfo()
            {
                return RotateInfo;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns the resource's maximum remaining list length
            /// @return    maximum remaining list length
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL uint32_t GMM_STDCALL GetMaximumRenamingListLength()
            {
                return Surf.MaximumRenamingListLength;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns the auxiliary resource's QPitch
            /// @return    Aux QPitch
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED uint32_t GMM_STDCALL GetAuxQPitch()
            {
                const GMM_PLATFORM_INFO   *pPlatform;

                 pPlatform = (GMM_PLATFORM_INFO *)GMM_OVERRIDE_EXPORTED_PLATFORM_INFO(&Surf);

                if (Surf.Flags.Gpu.UnifiedAuxSurface)
                {
                    if (GMM_IS_PLANAR(Surf.Format))
                    {
                        return static_cast<uint32_t>(AuxSurf.OffsetInfo.Plane.ArrayQPitch);
                    }
                    else if (AuxSurf.Flags.Gpu.HiZ)
                    {
                        // HiZ        ==> HZ_PxPerByte * HZ_QPitch
                        return AuxSurf.Alignment.QPitch * pPlatform->HiZPixelsPerByte;
                    }
                    else
                    {
                        return AuxSurf.Alignment.QPitch;
                    }
                }
                else
                {
                    return GetQPitch();
                }
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns the planar resource's QPitch
            /// @return    planar QPitch in rows
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED uint32_t GMM_STDCALL GetQPitchPlanar(GMM_YUV_PLANE Plane)
            {
                uint32_t               QPitch;
                const GMM_PLATFORM_INFO   *pPlatform;

                __GMM_ASSERT(GMM_IS_PLANAR(Surf.Format));
                GMM_UNREFERENCED_LOCAL_VARIABLE(Plane);

                pPlatform = (GMM_PLATFORM_INFO *)GMM_OVERRIDE_EXPORTED_PLATFORM_INFO(&Surf);
                __GMM_ASSERT(GFX_GET_CURRENT_RENDERCORE(pPlatform->Platform) >= IGFX_GEN8_CORE);

                QPitch = static_cast<uint32_t>(Surf.OffsetInfo.Plane.ArrayQPitch / Surf.Pitch);

                return QPitch;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns distance in bytes between array elements (or pseudo-array-elements--e.g.
            /// cube faces, MSFMT_MSS sample planes).
            /// @return    QPitch
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED GMM_GFX_SIZE_T GMM_STDCALL GetQPitchInBytes()
            {
                return Surf.OffsetInfo.Texture2DOffsetInfo.ArrayQPitchRender;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns resource's pitch
            /// @return    Pitch
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED GMM_GFX_SIZE_T GMM_STDCALL GetRenderPitch()
            {
                return Surf.Pitch;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns resource's pitch in tiles
            /// @return    Pitch in tiles
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED uint32_t GMM_STDCALL GetRenderPitchTiles()
            {
                uint32_t               PitchInTiles;
                const GMM_PLATFORM_INFO   *pPlatform;
                GMM_TILE_MODE       TileMode;

                __GMM_ASSERT(!Surf.Flags.Info.Linear);

                TileMode = Surf.TileMode;
                __GMM_ASSERT(TileMode < GMM_TILE_MODES);

                 pPlatform = (GMM_PLATFORM_INFO *)GMM_OVERRIDE_EXPORTED_PLATFORM_INFO(&Surf);
                if (pPlatform->TileInfo[TileMode].LogicalTileWidth != 0)
                {
                    // In case of Depth/Stencil buffer MSAA TileYs surface, the LogicalTileWidth/Height is smaller than non-MSAA ones
                    // Thus introducting the below variable to get the right PitchInTiles
                    uint32_t MSAASpecialFactorForDepthAndStencil = 1;

                    if ((Surf.Flags.Gpu.Depth || Surf.Flags.Gpu.SeparateStencil) &&
                         (Surf.MSAA.NumSamples > 1 && (Surf.Flags.Info.TiledYs || Surf.Flags.Info.TiledYf)))
                    {
                        switch (Surf.MSAA.NumSamples)
                        {
                            case 2:
                            case 4:
                                MSAASpecialFactorForDepthAndStencil = 2;
                                break;
                            case 8:
                            case 16:
                                MSAASpecialFactorForDepthAndStencil = 4;
                                break;
                            default:
                                break;
                        }
                    }

                    PitchInTiles = static_cast<uint32_t>(Surf.Pitch / pPlatform->TileInfo[TileMode].LogicalTileWidth);
                    PitchInTiles /= MSAASpecialFactorForDepthAndStencil;
                }
                else
                {
                    // Surf.TileMode not set correctly
                    __GMM_ASSERT(false);
                    PitchInTiles = 0;
                }

                return PitchInTiles;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns unified auxiliary resource's pitch in tiles
            /// @return    Aux Pitch in bytes
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED GMM_GFX_SIZE_T GMM_STDCALL GetUnifiedAuxPitch()
            {
                return AuxSurf.Pitch;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns auxiliary resource's pitch in tiles
            /// @return    Aux Pitch in tiles
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED uint32_t GMM_STDCALL GetRenderAuxPitchTiles()
            {
                uint32_t               PitchInTiles = 0;
                const GMM_PLATFORM_INFO   *pPlatform;

                __GMM_ASSERT(!AuxSurf.Flags.Info.Linear);

                 pPlatform = (GMM_PLATFORM_INFO *)GMM_OVERRIDE_EXPORTED_PLATFORM_INFO(&AuxSurf);

                if (Surf.Flags.Gpu.UnifiedAuxSurface)
                {
                    const GMM_TILE_MODE TileMode = AuxSurf.TileMode;
                    __GMM_ASSERT(TileMode < GMM_TILE_MODES);

                    if (pPlatform->TileInfo[TileMode].LogicalTileWidth)
                    {
                        PitchInTiles = static_cast<uint32_t>(AuxSurf.Pitch / pPlatform->TileInfo[TileMode].LogicalTileWidth);
                    }
                }
                else
                {
                    PitchInTiles = GetRenderPitchTiles();
                }

                return PitchInTiles;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns resource's bits per pixel
            /// @return    bpp
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED uint32_t GMM_STDCALL GetBitsPerPixel()
            {
                return Surf.BitsPerPixel;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns unified aux resource's bits per pixel
            /// @return    aux bpp
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED uint32_t GMM_STDCALL GetUnifiedAuxBitsPerPixel()
            {
                __GMM_ASSERT(Surf.Flags.Gpu.UnifiedAuxSurface);
                return AuxSurf.BitsPerPixel;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns layout of the mips: right or below.
            /// @return    ::GMM_TEXTURE_LAYOUT
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED GMM_TEXTURE_LAYOUT GMM_STDCALL GetTextureLayout()
            {
                return Surf.Flags.Info.LayoutRight? GMM_2D_LAYOUT_RIGHT : GMM_2D_LAYOUT_BELOW;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns resource's tile type
            /// @return    ::GMM_TILE_TYPE
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED GMM_TILE_TYPE GMM_STDCALL GetTileType()
            {
                if (Surf.Flags.Info.TiledW)
                {
                    return GMM_TILED_W;
                }
                else if (Surf.Flags.Info.TiledX)
                {
                    return GMM_TILED_X;
                }
                // Surf.Flags.Info.TiledYs/Yf tiling are only in
                // conjunction with Surf.Flags.Info.TiledY/Linear depending on resource type (1D).
                else if (Surf.Flags.Info.TiledY)
                {
                    return GMM_TILED_Y;
                }

                return GMM_NOT_TILED;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns resource's tile mode
            /// @return    ::GMM_TILE_MODE
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED GMM_TILE_MODE GMM_STDCALL GmmGetTileMode()
            {
                return Surf.TileMode;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns CPU cacheability information
            /// @return    ::GMM_CPU_CACHE_TYPE
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED GMM_CPU_CACHE_TYPE GMM_STDCALL GetCpuCacheType()
            {
                if (Surf.Flags.Info.Cacheable)
                {
                    return GMM_CACHEABLE;
                }

                return GMM_NOTCACHEABLE;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns Media Memory Compression mode.
            /// @param[in] ArrayIndex ArrayIndex for which this info is needed
            /// @return    Media Memory Compression Mode (Disabled, Horizontal, Vertical)
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED GMM_RESOURCE_MMC_INFO GMM_STDCALL GetMmcMode(uint32_t ArrayIndex)
            {
                __GMM_ASSERT(ArrayIndex < GMM_MAX_MMC_INDEX);

                return
                    (ArrayIndex < GMM_MAX_MMC_INDEX) ?
                        (GMM_RESOURCE_MMC_INFO)Surf.MmcMode[ArrayIndex] :
                            GMM_MMC_DISABLED;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Sets Media Memory Compression mode.
            /// @param[in] Mode Media Memory Compression Mode (Disabled, Horizontal, Vertical)
            /// @param[in] ArrayIndex ArrayIndex for which this info needs to be set
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED void GMM_STDCALL SetMmcMode(GMM_RESOURCE_MMC_INFO Mode, uint32_t ArrayIndex)
            {
                __GMM_ASSERT((Mode == GMM_MMC_DISABLED) || (Mode == GMM_MMC_HORIZONTAL) || (Mode == GMM_MMC_VERTICAL));
                __GMM_ASSERT(ArrayIndex < GMM_MAX_MMC_INDEX);

                if (ArrayIndex < GMM_MAX_MMC_INDEX)
                {
                    Surf.MmcMode[ArrayIndex] = static_cast<uint8_t>(Mode);
                }
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns whether Media Memory Compression enabled or not.
            /// @param[in]  ArrayIndex ArrayIndex for which this info is needed
            /// @return     1 (enabled), 0 (disabled)
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED uint8_t GMM_STDCALL IsMediaMemoryCompressed(uint32_t ArrayIndex)
            {
                __GMM_ASSERT(ArrayIndex < GMM_MAX_MMC_INDEX);

                return
                    (ArrayIndex < GMM_MAX_MMC_INDEX) ?
                        Surf.MmcMode[ArrayIndex] != GMM_MMC_DISABLED :
                            0;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns mmc hints.
            /// @param[in]  ArrayIndex ArrayIndex for which this info is needed
            /// @return     1/0
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED GMM_RESOURCE_MMC_HINT GMM_STDCALL GetMmcHint(uint32_t ArrayIndex)
            {
                __GMM_ASSERT(ArrayIndex < GMM_MAX_MMC_INDEX);
                return Surf.MmcHint[ArrayIndex] ? GMM_MMC_HINT_OFF : GMM_MMC_HINT_ON;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Sets mmc hints.
            /// @param[in]  Hint Mmc hint to store
            /// @param[in]  ArrayIndex ArrayIndex for which this info is needed
            /// @return
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED void GMM_STDCALL SetMmcHint(GMM_RESOURCE_MMC_HINT Hint, uint32_t ArrayIndex)
            {
                __GMM_ASSERT(ArrayIndex < GMM_MAX_MMC_INDEX);
                __GMM_ASSERT(GMM_MMC_HINT_ON == 0);
                __GMM_ASSERT(GMM_MMC_HINT_OFF == 1);

                Surf.MmcHint[ArrayIndex] = static_cast<uint8_t>(Hint);
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns the MSAA Sample Counter
            /// @return     Sample count
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED uint32_t GMM_STDCALL GetNumSamples()
            {
                return Surf.MSAA.NumSamples;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns the MSAA Sample Pattern
            /// @return     Sample pattern
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED GMM_MSAA_SAMPLE_PATTERN GMM_STDCALL GetSamplePattern()
            {
                return Surf.MSAA.SamplePattern;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns the X offset of planar surface
            /// @param[in]  Plane: Plane for which the offset is needed
            /// @return     X offset
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED GMM_GFX_SIZE_T GMM_STDCALL GetPlanarXOffset(GMM_YUV_PLANE Plane)
            {
                __GMM_ASSERT(Plane < GMM_MAX_PLANE);
                return Surf.OffsetInfo.Plane.X[Plane];
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns the Y offset of planar surface
            /// @param[in]  Plane: Plane for which the offset is needed
            /// @return     Y offset
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED GMM_GFX_SIZE_T GMM_STDCALL GetPlanarYOffset(GMM_YUV_PLANE Plane)
            {
                __GMM_ASSERT(Plane < GMM_MAX_PLANE);
                return Surf.OffsetInfo.Plane.Y[Plane];
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns the Aux offset of planar surface
            /// @param[in]  ArrayIndex: Surf index for which aux offset is required
            /// @param[in]  GmmAuxType: Aux Plane for which the offset is needed
            /// @return     Y_CCS offset/ UV_CCS offset/ Media compression state
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED GMM_GFX_SIZE_T GMM_STDCALL GetPlanarAuxOffset(uint32_t ArrayIndex, GMM_UNIFIED_AUX_TYPE GmmAuxType)
            {
                GMM_GFX_SIZE_T Offset = 0;

                __GMM_ASSERT(ArrayIndex < Surf.ArraySize);
                __GMM_ASSERT(GMM_IS_PLANAR(Surf.Format));

                if (Surf.Flags.Gpu.UnifiedAuxSurface)
                {
                    if (GmmAuxType == GMM_AUX_Y_CCS)
                    {
                        Offset = Surf.Size;
                    }
                    else if (GmmAuxType == GMM_AUX_UV_CCS)
                    {
                        Offset = Surf.Size + (AuxSurf.Pitch * AuxSurf.OffsetInfo.Plane.Y[GMM_PLANE_U]); //Aux Offset in HwLayout

                        if (Surf.Flags.Gpu.CCS && AuxSurf.Flags.Gpu.__NonMsaaLinearCCS)
                        {
                            Offset = Surf.Size + AuxSurf.OffsetInfo.Plane.X[GMM_PLANE_U];
                        }
                        else if (Surf.Flags.Gpu.MMC && AuxSurf.Flags.Gpu.__NonMsaaLinearCCS )
                        {
                            Offset = Surf.Size + AuxSurf.OffsetInfo.Plane.X[GMM_PLANE_Y];
                        }
                    }
                    else if (GmmAuxType == GMM_AUX_COMP_STATE)
                    {
                        Offset = Surf.Size + AuxSurf.OffsetInfo.Plane.X[GMM_PLANE_Y] + AuxSurf.OffsetInfo.Plane.X[GMM_PLANE_U];
                    }

                    Offset += AuxSurf.OffsetInfo.Plane.ArrayQPitch * ArrayIndex;
                }
                else
                {
                    Offset = 0;
                }

                return Offset;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns the resource Horizontal alignment
            /// @return     HAlign
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED uint32_t GMM_STDCALL GetHAlign()
            {
                const __GMM_PLATFORM_RESOURCE   *pPlatformResource;
                uint32_t HAlign;
                pPlatformResource = (GMM_PLATFORM_INFO *)GMM_OVERRIDE_EXPORTED_PLATFORM_INFO(&Surf);

                if ((GFX_GET_CURRENT_RENDERCORE(pPlatformResource->Platform) >= IGFX_GEN9_CORE) &&
                    !(Surf.Flags.Info.TiledYf || Surf.Flags.Info.TiledYs))
                {
                    HAlign = Surf.Alignment.HAlign / GetCompressionBlockWidth();
                }
                else
                {
                    HAlign = Surf.Alignment.HAlign;
                }

                return HAlign;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns the resource Vertical alignment
            /// @return     VAlign
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED uint32_t GMM_STDCALL GetVAlign()
            {
                const __GMM_PLATFORM_RESOURCE   *pPlatformResource;
                uint32_t VAlign;
                pPlatformResource = (GMM_PLATFORM_INFO *)GMM_OVERRIDE_EXPORTED_PLATFORM_INFO(&Surf);

                if ((GFX_GET_CURRENT_RENDERCORE(pPlatformResource->Platform) >= IGFX_GEN9_CORE) &&
                    !(GetResFlags().Info.TiledYf || GetResFlags().Info.TiledYs))
                {
                    VAlign = Surf.Alignment.VAlign / GetCompressionBlockHeight();
                }
                else
                {
                    VAlign = Surf.Alignment.VAlign;
                }

                return VAlign;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns the auxiliary resource Horizontal alignment
            /// @return     HAlign
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED uint32_t GMM_STDCALL GetAuxHAlign()
            {
                if (Surf.Flags.Gpu.UnifiedAuxSurface)
                {
                    return AuxSurf.Alignment.HAlign;
                }
                else
                {
                    return GetHAlign();
                }
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns the auxiliary resource Vertical alignment
            /// @return     HAlign
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED uint32_t GMM_STDCALL GetAuxVAlign()
            {
                if (Surf.Flags.Gpu.UnifiedAuxSurface)
                {
                    return AuxSurf.Alignment.VAlign;
                }
                else
                {
                    return GetVAlign();
                }
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns indication of whether resource uses the MSFMT_DEPTH_STENCIL Multisampled
            /// Surface Storage Format.
            /// @return     1/0
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED uint8_t GMM_STDCALL IsMsaaFormatDepthStencil()
            {
                // Gen7 MSAA (non-Depth/Stencil) render targets use (MSFMT_DEPTH_MSS) array
                // expansion instead of (MSFMT_DEPTH_STENCIL) Width/Height expansion.
                return (Surf.MSAA.NumSamples > 1) &&
                        (Surf.Flags.Gpu.Depth ||
                        Surf.Flags.Gpu.SeparateStencil);
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns indication of whether resource is SVM or not
            /// @return     1/0
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED uint8_t GMM_STDCALL IsSvm()
            {
                return static_cast<uint8_t>(Surf.Flags.Info.SVM);
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Allows clients to attach a private data to the resource
            /// @param[in]  pNewPrivateData: pointer to opaque private data from clients
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED void GMM_STDCALL SetPrivateData(void *pNewPrivateData)
            {
                this->pPrivateData = reinterpret_cast<uint64_t>(pNewPrivateData);
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns private data attached to the resource
            /// @return     Pointer to opaque private data
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED void* GMM_STDCALL GetPrivateData()
            {
                return reinterpret_cast<void*>(pPrivateData);
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns the resource GFX address
            /// @return     Gfx Address
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED GMM_GFX_ADDRESS GMM_STDCALL GetGfxAddress()
            {
                // Support for Sparse/Tiled resources will be unified in later
                if (SvmAddress)
                {
                    return GMM_GFX_ADDRESS_CANONIZE(SvmAddress);
                }
                else
                {
                    return 0;
                }
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// This function returns the total height of an S3D tall buffer. For non-S3D
            /// resources, it returns base height.
            /// @return     Surface height
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED uint32_t GMM_STDCALL GetTallBufferHeight()
            {
                if (Surf.Flags.Gpu.S3d)
                {
                    return Surf.S3d.TallBufferHeight;
                }
                else
                {
                    GMM_ASSERTDPF(0, "Unsupported S3D Resource Type!");
                    return Surf.BaseHeight;
                }
            };

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns size of the main surface only. Aux surface size not included.
            /// @return     Size of main surface
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED GMM_GFX_SIZE_T  GMM_STDCALL GetSizeMainSurface() const
            {
                return Surf.Size;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns the number of bytes that are required to back this padded and aligned
            /// resource. The calculation takes into consideration more than simply width
            /// height and bits per pixel. Width padding (stride), pixel formats, inter-plane
            /// padding depts/array-size and so on also for part of the list of factors.
            /// @return     Surface Size
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED GMM_GFX_SIZE_T  GMM_STDCALL GetSizeSurface()
            {
                    return (Surf.Size + AuxSurf.Size + AuxSecSurf.Size);
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns surface size(GetSizeSurface) plus additional padding due to 64kb pages
            /// @return     Allocation Size
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED GMM_GFX_SIZE_T  GMM_STDCALL GetSizeAllocation()
            {
                #define ALIGN_SIZE(x, a)  (((x) + ((a) - 1)) - (((x) + ((a) - 1)) & ((a) - 1)))
                if (Is64KBPageSuitable())
                {
                    return(ALIGN_SIZE(Surf.Size + AuxSurf.Size + AuxSecSurf.Size, GMM_KBYTE(64)));
                }
                else
                {
                    return (Surf.Size + AuxSurf.Size + AuxSecSurf.Size);
                }
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns max no of GpuVa bits supported per resource on a given platform
            /// @return     Max # of GpuVA bits per resource
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED uint32_t  GMM_STDCALL GetMaxGpuVirtualAddressBits()
            {
                 const GMM_PLATFORM_INFO *pPlatform = (GMM_PLATFORM_INFO *)GMM_OVERRIDE_EXPORTED_PLATFORM_INFO(&Surf);
                __GMM_ASSERTPTR(pPlatform, 0);

                return pPlatform->MaxGpuVirtualAddressBitsPerResource;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns the surface offset for unified allocations
            /// @param[in]  GmmAuxType: the type of aux the offset is needed for
            /// @return     Surface Offset in bytes
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED GMM_GFX_SIZE_T GMM_STDCALL GetUnifiedAuxSurfaceOffset(GMM_UNIFIED_AUX_TYPE GmmAuxType)
            {
                GMM_GFX_SIZE_T Offset = 0;
                const GMM_PLATFORM_INFO *pPlatform;
                pPlatform = (GMM_PLATFORM_INFO *)GMM_OVERRIDE_EXPORTED_PLATFORM_INFO(&Surf);
                if (Surf.Flags.Gpu.UnifiedAuxSurface)
                {
                    if ((GmmAuxType == GMM_AUX_CCS) || (GmmAuxType == GMM_AUX_SURF) || (GmmAuxType == GMM_AUX_Y_CCS)
                        || (GmmAuxType == GMM_AUX_HIZ) || (GmmAuxType == GMM_AUX_MCS))
                    {
                        Offset = Surf.Size;
                        if (GmmAuxType == GMM_AUX_CCS && AuxSecSurf.Type != RESOURCE_INVALID
                            && (Surf.Flags.Gpu.CCS && (Surf.MSAA.NumSamples > 1 ||
                                Surf.Flags.Gpu.Depth)))
                        {
                            Offset += AuxSurf.Size;
                        }
                    }
                    else if (GmmAuxType == GMM_AUX_UV_CCS)
                    {
                        Offset = Surf.Size + (AuxSurf.Pitch * AuxSurf.OffsetInfo.Plane.Y[GMM_PLANE_U]); //Aux Offset in HwLayout

                        if (Surf.Flags.Gpu.CCS && AuxSurf.Flags.Gpu.__NonMsaaLinearCCS)
                        {
                            Offset = Surf.Size + AuxSurf.OffsetInfo.Plane.X[GMM_PLANE_U];
                        }
                        else if (Surf.Flags.Gpu.MMC && AuxSurf.Flags.Gpu.__NonMsaaLinearCCS )
                        {
                            Offset = Surf.Size + AuxSurf.OffsetInfo.Plane.X[GMM_PLANE_Y];
                        }
                    }
                    else if ((GmmAuxType == GMM_AUX_CC) && Surf.Flags.Gpu.IndirectClearColor)
                    {
                        Offset = Surf.Size + AuxSurf.UnpaddedSize;
                    }
                    else if (GmmAuxType == GMM_AUX_COMP_STATE)
                    {
                        Offset = Surf.Size + AuxSurf.OffsetInfo.Plane.X[GMM_PLANE_Y] + AuxSurf.OffsetInfo.Plane.X[GMM_PLANE_U];
                    }
                    else if ((GmmAuxType == GMM_AUX_ZCS) && Surf.Flags.Gpu.Depth && Surf.Flags.Gpu.CCS)
                    {
                        if (AuxSecSurf.Type != RESOURCE_INVALID)
                        {
                            Offset = Surf.Size + AuxSurf.Size;
                        }
                    }
                }
                else if(GmmAuxType == GMM_AUX_CC &&
                        Surf.Flags.Gpu.IndirectClearColor &&
                        Surf.Flags.Gpu.HiZ)
                {
                    Offset = Surf.Size - GMM_HIZ_CLEAR_COLOR_SIZE;
                }
                else
                {
                    Offset = 0;
                }

                return Offset;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns the surface size for unified allocations
            /// @param[in]  GmmAuxType: the type of aux the size is needed for
            /// @return     Surface Size in bytes
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED GMM_GFX_SIZE_T GMM_STDCALL GetSizeAuxSurface(GMM_UNIFIED_AUX_TYPE GmmAuxType)
            {
                if (GmmAuxType == GMM_AUX_SURF)
                {
                    return (AuxSurf.Size + AuxSecSurf.Size);
                }
                else if (GmmAuxType == GMM_AUX_CCS || GmmAuxType == GMM_AUX_HIZ || GmmAuxType == GMM_AUX_MCS)
                {
                    if (GmmAuxType == GMM_AUX_CCS && AuxSecSurf.Type != RESOURCE_INVALID &&
                        (Surf.Flags.Gpu.CCS && (Surf.MSAA.NumSamples > 1 ||
                            Surf.Flags.Gpu.Depth)))
                    {
                        return AuxSecSurf.Size;
                    }
                    else
                    {
                        return (AuxSurf.UnpaddedSize);
                    }
                }
                else if (GmmAuxType == GMM_AUX_COMP_STATE)
                {
                    return GMM_MEDIA_COMPRESSION_STATE_SIZE;
                }
                else if (GmmAuxType == GMM_AUX_CC)
                {
                    if (!Surf.Flags.Gpu.UnifiedAuxSurface && Surf.Flags.Gpu.HiZ)
                    {
                        return GMM_HIZ_CLEAR_COLOR_SIZE;
                    }
                    else
                    {
                        return (AuxSurf.CCSize);
                    }
                }
                else if (GmmAuxType == GMM_AUX_ZCS)
                {
                    if (Surf.Flags.Gpu.UnifiedAuxSurface && AuxSecSurf.Type != RESOURCE_INVALID)
                    {
                        return AuxSecSurf.Size;
                    }
                    else
                    {
                        return 0;
                    }
                }
                else
                {
                    return 0;
                }
            }

            /////////////////////////////////////////////////////////////////////////
            /// This function returns or sets the value of the hardware protected flag
            /// associated with the given GMM resource within same process.
            /// @param[in]  GetIsEncrypted: Read encryption status
            /// @param[in]  SetIsEncrypted: Write encryption status
            /// @return     Whether surface is encrypted or not
            /////////////////////////////////////////////////////////////////////////
            virtual GMM_INLINE_EXPORTED uint8_t GMM_STDCALL GetSetHardwareProtection(uint8_t GetIsEncrypted, uint8_t SetIsEncrypted)
            {
                uint8_t IsEncrypted = 0;

                if (GetIsEncrypted)
                {
                    IsEncrypted = Surf.Flags.Info.HardwareProtected;
                }
                else
                {
                    Surf.Flags.Info.HardwareProtected = IsEncrypted = SetIsEncrypted;
                }

                return IsEncrypted;
            }

            /////////////////////////////////////////////////////////////////////////
            /// Returns the size of the surface in StdLayout format
            /// @return  Size in bytes of Standard Layout version of surface.
            /////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED GMM_GFX_SIZE_T GMM_STDCALL GetStdLayoutSize()
            {
                GMM_REQ_OFFSET_INFO GetOffset = {};

                GetOffset.ReqStdLayout = 1;
                GetOffset.StdLayout.Offset = static_cast<GMM_GFX_SIZE_T>(-1); // Special Req for StdLayout Size
                this->GetOffset(GetOffset);

                return GetOffset.StdLayout.Offset;
            }

            /////////////////////////////////////////////////////////////////////////
            /// Returns whether resource is color separated target
            /// @return  1 if the resource is color separated target, 0 otherwise
            /////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED uint8_t GMM_STDCALL IsColorSeparation()
            {
                return Surf.Flags.Gpu.ColorSeparation || Surf.Flags.Gpu.ColorSeparationRGBX;
            }

            /////////////////////////////////////////////////////////////////////////
            /// Translate packed source x coordinate to color separation target x coordinate
            /// @param[in]  x: X coordinate
            /// @return   Translated color separation target x coordinate
            /////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED uint32_t GMM_STDCALL TranslateColorSeparationX(uint32_t x)
            {
                uint32_t ret = x;

                if (Surf.Flags.Gpu.ColorSeparation)
                {
                    ret /= GMM_COLOR_SEPARATION_WIDTH_DIVISION;
                }
                else if (Surf.Flags.Gpu.ColorSeparationRGBX)
                {
                    ret /= GMM_COLOR_SEPARATION_RGBX_WIDTH_DIVISION;
                }

                return ret;
            }

            /////////////////////////////////////////////////////////////////////////
            /// Returns the array size of a color separated target resource.
            /// @return   Array size of a color separated target resource
            /////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED uint32_t GMM_STDCALL GetColorSeparationArraySize()
            {
                if (Surf.Flags.Gpu.ColorSeparation ||
                    Surf.Flags.Gpu.ColorSeparationRGBX)
                {
                    return GMM_COLOR_SEPARATION_ARRAY_SIZE;
                }
                else
                {
                    return Surf.ArraySize;
                }
            }

            /////////////////////////////////////////////////////////////////////////
            /// Returns the physical width of a color separated target resource
            /// @return   physical width of a color separated target resource
            /////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED uint32_t GMM_STDCALL GetColorSeparationPhysicalWidth()
            {
                if (Surf.Flags.Gpu.ColorSeparation)
                {
                    return ((uint32_t)Surf.BaseWidth * Surf.ArraySize) / GMM_COLOR_SEPARATION_WIDTH_DIVISION;
                }
                else if (Surf.Flags.Gpu.ColorSeparationRGBX)
                {
                    return ((uint32_t)Surf.BaseWidth * Surf.ArraySize) / GMM_COLOR_SEPARATION_RGBX_WIDTH_DIVISION;
                }
                else
                {
                    return (uint32_t)Surf.BaseWidth;
                }
            }

            /////////////////////////////////////////////////////////////////////////
            /// Returns whether surface can be faulted on
            /// @return   1 is surface can be faulted on
            /////////////////////////////////////////////////////////////////////////
            virtual GMM_INLINE_EXPORTED uint8_t GMM_STDCALL IsSurfaceFaultable()
            {
                return 0;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns the cache policy usage associated with this surface.
            /// @return     Cache Policy Usage
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED GMM_RESOURCE_USAGE_TYPE GMM_STDCALL GetCachePolicyUsage()
            {
                return Surf.CachePolicy.Usage;
            }

            //##################################################################################
            // Functions that can help clients program the SURFACE_STATE with appropriate values.
            //##################################################################################
            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns the surface state value for Mip Tail Start LOD
            /// @return     Mip Tail Start
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED uint32_t GMM_STDCALL GetMipTailStartLodSurfaceState()
            {
                return Surf.Alignment.MipTailStartLod;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns the Tile Address Mapping Mode, for SURFACE_STATE programming and is
            /// applicable only for 3D surface
            /// @return     Tile Address Mapping Mode
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED uint32_t GMM_STDCALL GetTileAddressMappingModeSurfaceState()
            {
                return 0;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns the horizontal alignment for SURFACE_STATE programming.
            /// @return     HAlign
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED uint32_t GMM_STDCALL GetHAlignSurfaceState()
            {
                uint32_t               HAlign;
                const GMM_PLATFORM_INFO   *pPlatform;

                pPlatform = (GMM_PLATFORM_INFO *)GMM_OVERRIDE_EXPORTED_PLATFORM_INFO(&Surf);

                if (GFX_GET_CURRENT_RENDERCORE(pPlatform->Platform) >= IGFX_GEN8_CORE)
                {
                    if (GetResFlags().Info.TiledYf || GetResFlags().Info.TiledYs)
                    {
                        HAlign = 0;
                    }
                    else
                    {
                        switch (GetHAlign())
                        {
                            case 4:  HAlign = 1; break;
                            case 8:  HAlign = 2; break;
                            case 16: HAlign = 3; break;
                            default: HAlign = 0; __GMM_ASSERT(0);
                        }
                    }
                }
                else
                {
                    switch (Surf.Alignment.HAlign)
                    {
                        case 4:  HAlign = 0; break;
                        case 8:  HAlign = 1; break;
                        default: HAlign = 0; __GMM_ASSERT(0);
                    }
                }

                return HAlign;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns the vertical alignment for SURFACE_STATE programming.
            /// @return     HAlign
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED uint32_t GMM_STDCALL GetVAlignSurfaceState()
            {
                uint32_t               VAlign;
                const GMM_PLATFORM_INFO   *pPlatform;

                 pPlatform = (GMM_PLATFORM_INFO *)GMM_OVERRIDE_EXPORTED_PLATFORM_INFO(&Surf);

                if (GFX_GET_CURRENT_RENDERCORE(pPlatform->Platform) >= IGFX_GEN8_CORE)
                {
                    if (GetResFlags().Info.TiledYf || GetResFlags().Info.TiledYs)
                    {
                        VAlign = 0;
                    }
                    else
                    {
                        switch (GetVAlign())
                        {
                            case 4:  VAlign = 1; break;
                            case 8:  VAlign = 2; break;
                            case 16: VAlign = 3; break;
                            default: VAlign = 0; __GMM_ASSERT(0);
                        }
                    }
                }
                else
                {
                    switch (Surf.Alignment.VAlign)
                    {
                        case 2:  VAlign = 0; break;
                        case 4:  VAlign = 1; break;
                        default: VAlign = 0; __GMM_ASSERT(0);
                    }
                }

                return VAlign;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Returns tiled resource mode for SURFACE_STATE programming.
            /// @return     Tiled Resource Mode
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED uint32_t GMM_STDCALL GetTiledResourceModeSurfaceState()
            {
                uint32_t   TiledResourceMode;

                if (Surf.Flags.Info.TiledYf)
                {
                    TiledResourceMode = 1;
                }
                else if (Surf.Flags.Info.TiledYs)
                {
                    TiledResourceMode = 2;
                }
                else
                {
                    TiledResourceMode = 0;
                }

                return TiledResourceMode;
            }

            //###################################################################################
            // Functions that allows clients to override certain members
            // of ResourceInfo. Client assumes the risk of using these functions.
            // May cause unintended side-affects.
            //##################################################################################
            /////////////////////////////////////////////////////////////////////////////////////
            /// Overrides the main surface size
            /// @param[in]  Size: new size of the resource
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED void GMM_STDCALL OverrideSize(GMM_GFX_SIZE_T Size)
            {
                Surf.Size = Size;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Overrides the surface pitch
            /// @param[in]  Pitch: new pitch of the resource
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED void GMM_STDCALL OverridePitch(GMM_GFX_SIZE_T Pitch)
            {
                Surf.Pitch = Pitch;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Overrides the aux surface pitch
            /// @param[in]  Pitch: new pitch of the aux surface
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED void GMM_STDCALL OverrideUnifiedAuxPitch(GMM_GFX_SIZE_T Pitch)
            {
                __GMM_ASSERT(Surf.Flags.Gpu.UnifiedAuxSurface);
                AuxSurf.Pitch = Pitch;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Overrides the allocation flags
            /// @param[in]  Flags: new set of flags for the resource
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED void GMM_STDCALL OverrideAllocationFlags(GMM_RESOURCE_FLAG& Flags)
            {
                Surf.Flags = Flags;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Overrides the resource HAlign
            /// @param[in]  HAlign: new HAlign for the resource
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED void GMM_STDCALL OverrideHAlign(uint32_t HAlign)
            {
                Surf.Alignment.HAlign = HAlign;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Overrides the resource BaseAlignment
            /// @param[in]  Alignment: new BaseAlignment for the resource
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED void GMM_STDCALL OverrideBaseAlignment(uint32_t Alignment)
            {
                Surf.Alignment.BaseAlignment = Alignment;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Overrides the resource BaseWidth
            /// @param[in]  BaseWidth: new BaseWidth for the resource
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED void GMM_STDCALL OverrideBaseWidth(GMM_GFX_SIZE_T BaseWidth)
            {
                Surf.BaseWidth = BaseWidth;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Overrides the resource BaseHeight
            /// @param[in]  BaseHeight: new BaseHeight for the resource
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED void GMM_STDCALL OverrideBaseHeight(uint32_t BaseHeight)
            {
                Surf.BaseHeight = BaseHeight;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Overrides the resource Depth
            /// @param[in]  Depth: new Depth for the resource
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED void GMM_STDCALL OverrideDepth(uint32_t Depth)
            {
                Surf.Depth = Depth;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Overrides the resource tile mode
            /// @param[in]  TileMode: new tile mode for the resource
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED void GMM_STDCALL OverrideTileMode(GMM_TILE_MODE TileMode)
            {
                Surf.TileMode = TileMode;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Overrides the resource tile mode
            /// @param[in]  TileMode: new tile mode for the resource
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED void GMM_STDCALL OverrideUnifiedAuxTileMode(GMM_TILE_MODE TileMode)
            {
                __GMM_ASSERT(Surf.Flags.Gpu.UnifiedAuxSurface);
                AuxSurf.TileMode = TileMode;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Overrides the surface format
            /// @param[in]  Format: new format for the resource
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED void GMM_STDCALL OverrideSurfaceFormat(GMM_RESOURCE_FORMAT Format)
            {
                Surf.Format = Format;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Overrides the surface type
            /// @param[in]  Type: new surface type for the resource
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED void GMM_STDCALL OverrideSurfaceType(GMM_RESOURCE_TYPE Type)
            {
                Surf.Type = Type;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Overrides the svm gfx address
            /// @param[in]  SvmGfxAddress: new svm gfx address for the resource
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED void GMM_STDCALL OverrideSvmGfxAddress(GMM_GFX_ADDRESS SvmGfxAddress)
            {
                this->SvmAddress = SvmGfxAddress;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Overrides the resource array size
            /// @param[in]  ArraySize: new array size for the resource
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED void GMM_STDCALL OverrideArraySize(uint32_t ArraySize)
            {
                Surf.ArraySize = ArraySize;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Overrides the resource max LOD
            /// @param[in]  MaxLod: new max LOD for the resource
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED void GMM_STDCALL OverrideMaxLod(uint32_t MaxLod)
            {
                Surf.MaxLod = MaxLod;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Overrides the resource cache policy usage
            /// @param[in]  Usage: new usage for the resource
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED void GMM_STDCALL OverrideCachePolicyUsage(GMM_RESOURCE_USAGE_TYPE Usage)
            {
                Surf.CachePolicy.Usage = Usage;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Overrides the platform associated with this resource
            /// @param[in]  Platform: new platform for the resource
            /// @note Function only available for Debug/Release-Internal builds.
            /////////////////////////////////////////////////////////////////////////////////////
            #if(_DEBUG || _RELEASE_INTERNAL)
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED void GMM_STDCALL OverridePlatform(PLATFORM Platform)
                {
                    Surf.Platform = Platform;
                }
            #endif

            /////////////////////////////////////////////////////////////////////////////////////
            /// Overrides the GmmLibContext associated with this resource
            /// @param[in]  pNewGmmLibContext: new GmmLibContext for the resource
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED void GMM_STDCALL OverrideGmmLibContext(Context *pNewGmmLibContext)
            {
                this->pGmmLibContext = reinterpret_cast<uint64_t>(pNewGmmLibContext);
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Overrides the X offset of planar surface
            /// @param[in]  Plane: Plane for which the offset needs to be overriden
            /// @param[in]  XOffset: X offset
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED void GMM_STDCALL OverridePlanarXOffset(GMM_YUV_PLANE Plane, GMM_GFX_SIZE_T XOffset)
            {
                __GMM_ASSERT(Plane < GMM_MAX_PLANE);
                Surf.OffsetInfo.Plane.X[Plane] = XOffset;
            }

            /////////////////////////////////////////////////////////////////////////////////////
            /// Overrides the Y offset of planar surface
            /// @param[in]  Plane: Plane for which the offset needs to be overriden
            /// @param[in]  YOffset: Y offset
            /////////////////////////////////////////////////////////////////////////////////////
            GMM_INLINE_VIRTUAL GMM_INLINE_EXPORTED void GMM_STDCALL OverridePlanarYOffset(GMM_YUV_PLANE Plane, GMM_GFX_SIZE_T YOffset)
            {
                __GMM_ASSERT(Plane < GMM_MAX_PLANE);
                Surf.OffsetInfo.Plane.Y[Plane] = YOffset;
            }

    };

} // namespace GmmLib
#endif // #ifdef __cplusplus