| /*============================================================================== |
| 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 "GmmGen9TextureCalc.h" |
| ///////////////////////////////////////////////////////////////////////////////////// |
| /// @file GmmGen11TextureCalc.h |
| /// @brief This file contains the functions and members definations for texture alloc- |
| /// ation on all Gen11 platforms. |
| ///////////////////////////////////////////////////////////////////////////////////// |
| namespace GmmLib |
| { |
| ///////////////////////////////////////////////////////////////////////// |
| /// Contains texture calc functions and members for Gen11 platforms. |
| /// This class is derived from the base GmmTextureCalc class so clients |
| /// shouldn't have to ever interact with this class directly. |
| ///////////////////////////////////////////////////////////////////////// |
| class NON_PAGED_SECTION GmmGen11TextureCalc : |
| public GmmGen10TextureCalc |
| { |
| private: |
| |
| protected: |
| /* Function prototypes */ |
| virtual uint32_t GetMipTailByteOffset( |
| GMM_TEXTURE_INFO *pTexInfo, |
| uint32_t MipLevel); |
| |
| virtual void GetMipTailGeometryOffset( |
| GMM_TEXTURE_INFO *pTexInfo, |
| uint32_t MipLevel, |
| uint32_t* OffsetX, |
| uint32_t* OffsetY, |
| uint32_t* OffsetZ); |
| |
| virtual GMM_STATUS GMM_STDCALL FillTexPlanar( |
| GMM_TEXTURE_INFO *pTexInfo, |
| __GMM_BUFFER_TYPE *pRestrictions); |
| |
| GMM_STATUS FillLinearCCS( |
| GMM_TEXTURE_INFO *pTexInfo, |
| __GMM_BUFFER_TYPE *pRestrictions); |
| |
| virtual void FillPlanarOffsetAddress(GMM_TEXTURE_INFO *pTexInfo); |
| |
| public: |
| /* Constructors */ |
| |
| GmmGen11TextureCalc() |
| { |
| |
| } |
| |
| ~GmmGen11TextureCalc() |
| { |
| |
| } |
| |
| /* Virtual Functions */ |
| ///////////////////////////////////////////////////////////////////////// |
| // Returns unaligned/unpadded width of a given LOD |
| // Default : WL = ((width >> L) > 0 ? width >> L : 1) |
| // CornerTexelMode : WL = MAX(1,(width-1) >> L) + 1 or WL = MAX(1,(WLminus1-1) >> 1) + 1 |
| ///////////////////////////////////////////////////////////////////////// |
| virtual GMM_GFX_SIZE_T GmmTexGetMipWidth(GMM_TEXTURE_INFO *pTexInfo, uint32_t MipLevel) |
| { |
| __GMM_ASSERTPTR(pTexInfo, 0); |
| |
| if (!pTexInfo->Flags.Info.CornerTexelMode) |
| { |
| return(GFX_MAX(1, pTexInfo->BaseWidth >> MipLevel)); |
| } |
| else |
| { |
| if (pTexInfo->BaseWidth == 1) |
| { |
| return pTexInfo->BaseWidth; |
| } |
| else |
| { |
| return(GFX_MAX(1, (pTexInfo->BaseWidth - 1) >> MipLevel) + 1); |
| } |
| } |
| } |
| |
| ///////////////////////////////////////////////////////////////////////// |
| // Returns unaligned/unpadded height of a given LOD |
| // Default : HL = ((height >> L) > 0 ? height >> L : 1) |
| // CornerTexelMode : HL = MAX(1,(height-1) >> L) + 1 or HL = MAX(1,(HLminus1-1) >> 1) + 1 |
| ///////////////////////////////////////////////////////////////////////// |
| virtual uint32_t GmmTexGetMipHeight(GMM_TEXTURE_INFO *pTexInfo, uint32_t MipLevel) |
| { |
| __GMM_ASSERTPTR(pTexInfo, 0); |
| |
| if (!pTexInfo->Flags.Info.CornerTexelMode) |
| { |
| return(GFX_MAX(1, pTexInfo->BaseHeight >> MipLevel)); |
| } |
| else |
| { |
| if (pTexInfo->BaseHeight == 1) |
| { |
| return pTexInfo->BaseHeight; |
| } |
| else |
| { |
| return(GFX_MAX(1, (pTexInfo->BaseHeight - 1) >> MipLevel) + 1); |
| } |
| } |
| } |
| |
| ///////////////////////////////////////////////////////////////////////// |
| // Returns unaligned/unpadded depth of a given LOD |
| // Default : DL = ((depth >> L) > 0 ? depth >> L : 1) |
| // CornerTexelMode : DL = MAX(1,(depth-1) >> L) + 1 or DL = MAX(1,(DLminus1-1) >> 1) + 1 |
| ///////////////////////////////////////////////////////////////////////// |
| virtual uint32_t GmmTexGetMipDepth(GMM_TEXTURE_INFO *pTexInfo, uint32_t MipLevel) |
| { |
| __GMM_ASSERTPTR(pTexInfo, 0); |
| |
| if (!pTexInfo->Flags.Info.CornerTexelMode) |
| { |
| return(GFX_MAX(1, pTexInfo->Depth >> MipLevel)); |
| } |
| else |
| { |
| if (pTexInfo->Depth == 1) |
| { |
| return pTexInfo->Depth; |
| } |
| else |
| { |
| return(GFX_MAX(1, (pTexInfo->Depth - 1) >> MipLevel) + 1); |
| } |
| } |
| } |
| |
| /* Function prototypes */ |
| |
| /* inline functions */ |
| }; |
| } |
| #endif // #ifdef __cplusplus |
