1 /*============================================================================== 2 Copyright(c) 2017 Intel Corporation 3 4 Permission is hereby granted, free of charge, to any person obtaining a 5 copy of this software and associated documentation files(the "Software"), 6 to deal in the Software without restriction, including without limitation 7 the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 and / or sell copies of the Software, and to permit persons to whom the 9 Software is furnished to do so, subject to the following conditions: 10 11 The above copyright notice and this permission notice shall be included 12 in all copies or substantial portions of the Software. 13 14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 15 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 OTHER DEALINGS IN THE SOFTWARE. 21 ============================================================================*/ 22 23 #pragma once 24 #ifdef __cplusplus 25 #include "GmmGen9TextureCalc.h" 26 ///////////////////////////////////////////////////////////////////////////////////// 27 /// @file GmmGen11TextureCalc.h 28 /// @brief This file contains the functions and members definations for texture alloc- 29 /// ation on all Gen11 platforms. 30 ///////////////////////////////////////////////////////////////////////////////////// 31 namespace GmmLib 32 { 33 ///////////////////////////////////////////////////////////////////////// 34 /// Contains texture calc functions and members for Gen11 platforms. 35 /// This class is derived from the base GmmTextureCalc class so clients 36 /// shouldn't have to ever interact with this class directly. 37 ///////////////////////////////////////////////////////////////////////// 38 class NON_PAGED_SECTION GmmGen11TextureCalc : 39 public GmmGen10TextureCalc 40 { 41 private: 42 43 protected: 44 /* Function prototypes */ 45 virtual uint32_t GetMipTailByteOffset( 46 GMM_TEXTURE_INFO *pTexInfo, 47 uint32_t MipLevel); 48 49 virtual void GetMipTailGeometryOffset( 50 GMM_TEXTURE_INFO *pTexInfo, 51 uint32_t MipLevel, 52 uint32_t* OffsetX, 53 uint32_t* OffsetY, 54 uint32_t* OffsetZ); 55 56 virtual GMM_STATUS GMM_STDCALL FillTexPlanar( 57 GMM_TEXTURE_INFO *pTexInfo, 58 __GMM_BUFFER_TYPE *pRestrictions); 59 60 GMM_STATUS FillLinearCCS( 61 GMM_TEXTURE_INFO *pTexInfo, 62 __GMM_BUFFER_TYPE *pRestrictions); 63 64 virtual void FillPlanarOffsetAddress(GMM_TEXTURE_INFO *pTexInfo); 65 66 public: 67 /* Constructors */ GmmGen11TextureCalc(Context * pGmmLibContext)68 GmmGen11TextureCalc(Context *pGmmLibContext) 69 : GmmGen10TextureCalc(pGmmLibContext) 70 { 71 72 } 73 ~GmmGen11TextureCalc()74 ~GmmGen11TextureCalc() 75 { 76 77 } 78 79 /* Virtual Functions */ 80 ///////////////////////////////////////////////////////////////////////// 81 // Returns unaligned/unpadded width of a given LOD 82 // Default : WL = ((width >> L) > 0 ? width >> L : 1) 83 // CornerTexelMode : WL = MAX(1,(width-1) >> L) + 1 or WL = MAX(1,(WLminus1-1) >> 1) + 1 84 ///////////////////////////////////////////////////////////////////////// GmmTexGetMipWidth(GMM_TEXTURE_INFO * pTexInfo,uint32_t MipLevel)85 virtual GMM_GFX_SIZE_T GmmTexGetMipWidth(GMM_TEXTURE_INFO *pTexInfo, uint32_t MipLevel) 86 { 87 __GMM_ASSERTPTR(pTexInfo, 0); 88 89 if (!pTexInfo->Flags.Info.CornerTexelMode) 90 { 91 return(GFX_MAX(1, pTexInfo->BaseWidth >> MipLevel)); 92 } 93 else 94 { 95 if (pTexInfo->BaseWidth == 1) 96 { 97 return pTexInfo->BaseWidth; 98 } 99 else 100 { 101 return(GFX_MAX(1, (pTexInfo->BaseWidth - 1) >> MipLevel) + 1); 102 } 103 } 104 } 105 106 ///////////////////////////////////////////////////////////////////////// 107 // Returns unaligned/unpadded height of a given LOD 108 // Default : HL = ((height >> L) > 0 ? height >> L : 1) 109 // CornerTexelMode : HL = MAX(1,(height-1) >> L) + 1 or HL = MAX(1,(HLminus1-1) >> 1) + 1 110 ///////////////////////////////////////////////////////////////////////// GmmTexGetMipHeight(GMM_TEXTURE_INFO * pTexInfo,uint32_t MipLevel)111 virtual uint32_t GmmTexGetMipHeight(GMM_TEXTURE_INFO *pTexInfo, uint32_t MipLevel) 112 { 113 __GMM_ASSERTPTR(pTexInfo, 0); 114 115 if (!pTexInfo->Flags.Info.CornerTexelMode) 116 { 117 return(GFX_MAX(1, pTexInfo->BaseHeight >> MipLevel)); 118 } 119 else 120 { 121 if (pTexInfo->BaseHeight == 1) 122 { 123 return pTexInfo->BaseHeight; 124 } 125 else 126 { 127 return(GFX_MAX(1, (pTexInfo->BaseHeight - 1) >> MipLevel) + 1); 128 } 129 } 130 } 131 132 ///////////////////////////////////////////////////////////////////////// 133 // Returns unaligned/unpadded depth of a given LOD 134 // Default : DL = ((depth >> L) > 0 ? depth >> L : 1) 135 // CornerTexelMode : DL = MAX(1,(depth-1) >> L) + 1 or DL = MAX(1,(DLminus1-1) >> 1) + 1 136 ///////////////////////////////////////////////////////////////////////// GmmTexGetMipDepth(GMM_TEXTURE_INFO * pTexInfo,uint32_t MipLevel)137 virtual uint32_t GmmTexGetMipDepth(GMM_TEXTURE_INFO *pTexInfo, uint32_t MipLevel) 138 { 139 __GMM_ASSERTPTR(pTexInfo, 0); 140 141 if (!pTexInfo->Flags.Info.CornerTexelMode) 142 { 143 return(GFX_MAX(1, pTexInfo->Depth >> MipLevel)); 144 } 145 else 146 { 147 if (pTexInfo->Depth == 1) 148 { 149 return pTexInfo->Depth; 150 } 151 else 152 { 153 return(GFX_MAX(1, (pTexInfo->Depth - 1) >> MipLevel) + 1); 154 } 155 } 156 } 157 158 /* Function prototypes */ 159 160 /* inline functions */ 161 }; 162 } 163 #endif // #ifdef __cplusplus 164