1 /**************************************************************************** 2 * Copyright (C) 2014-2015 Intel Corporation. All Rights Reserved. 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 (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 21 * IN THE SOFTWARE. 22 * 23 * @file fetch_jit.h 24 * 25 * @brief Definition of the fetch jitter 26 * 27 * Notes: 28 * 29 ******************************************************************************/ 30 #pragma once 31 32 #include "common/formats.h" 33 #include "core/state.h" 34 35 ////////////////////////////////////////////////////////////////////////// 36 /// INPUT_ELEMENT_DESC 37 ////////////////////////////////////////////////////////////////////////// 38 struct INPUT_ELEMENT_DESC 39 { 40 union 41 { 42 struct 43 { 44 uint32_t AlignedByteOffset : 12; 45 uint32_t Format : 10; 46 uint32_t StreamIndex : 6; 47 uint32_t InstanceEnable : 1; 48 uint32_t InstanceStrideEnable : 1; 49 uint32_t ComponentControl0 : 4; 50 uint32_t ComponentControl1 : 4; 51 uint32_t ComponentControl2 : 4; 52 uint32_t ComponentControl3 : 4; 53 uint32_t ComponentPacking : 4; 54 uint32_t _reserved : 14; 55 }; 56 uint64_t bits; 57 }; 58 uint32_t InstanceAdvancementState; 59 }; 60 61 // used to set ComponentPacking 62 enum ComponentEnable 63 { 64 NONE = 0x0, 65 X = 0x1, 66 Y = 0x2, 67 XY = 0x3, 68 Z = 0x4, 69 XZ = 0x5, 70 YZ = 0x6, 71 XYZ = 0x7, 72 W = 0x8, 73 XW = 0x9, 74 YW = 0xA, 75 XYW = 0xB, 76 ZW = 0xC, 77 XZW = 0xD, 78 YZW = 0xE, 79 XYZW = 0xF, 80 }; 81 82 enum ComponentControl 83 { 84 NoStore = 0, 85 StoreSrc = 1, 86 Store0 = 2, 87 Store1Fp = 3, 88 Store1Int = 4, 89 StoreVertexId = 5, 90 StoreInstanceId = 6, 91 }; 92 93 ////////////////////////////////////////////////////////////////////////// 94 /// State required for fetch shader jit compile. 95 ////////////////////////////////////////////////////////////////////////// 96 struct FETCH_COMPILE_STATE 97 { 98 uint32_t numAttribs{ 0 }; 99 INPUT_ELEMENT_DESC layout[SWR_VTX_NUM_SLOTS]; 100 SWR_FORMAT indexType; 101 uint32_t cutIndex{ 0xffffffff }; 102 103 // Options that effect the JIT'd code 104 bool bDisableVGATHER; // If enabled, FetchJit will generate loads/shuffles instead of VGATHERs 105 bool bDisableIndexOOBCheck; // If enabled, FetchJit will exclude index OOB check 106 bool bEnableCutIndex{ false }; // Compares indices with the cut index and returns a cut mask 107 bool bVertexIDOffsetEnable{ false }; // Offset vertexID by StartVertex for non-indexed draws or BaseVertex for indexed draws 108 bool bPartialVertexBuffer{ false }; // for indexed draws, map illegal indices to a known resident vertex 109 110 bool bForceSequentialAccessEnable{ false }; 111 bool bInstanceIDOffsetEnable{ false }; 112 113 FETCH_COMPILE_STATE(bool disableVGATHER = false, bool diableIndexOOBCheck = false): bDisableVGATHERFETCH_COMPILE_STATE114 bDisableVGATHER(disableVGATHER), bDisableIndexOOBCheck(diableIndexOOBCheck){ }; 115 116 bool operator==(const FETCH_COMPILE_STATE &other) const 117 { 118 if (numAttribs != other.numAttribs) return false; 119 if (indexType != other.indexType) return false; 120 if (bDisableVGATHER != other.bDisableVGATHER) return false; 121 if (bDisableIndexOOBCheck != other.bDisableIndexOOBCheck) return false; 122 if (bEnableCutIndex != other.bEnableCutIndex) return false; 123 if (cutIndex != other.cutIndex) return false; 124 if (bVertexIDOffsetEnable != other.bVertexIDOffsetEnable) return false; 125 if (bPartialVertexBuffer != other.bPartialVertexBuffer) return false; 126 if (bForceSequentialAccessEnable != other.bForceSequentialAccessEnable) return false; 127 if (bInstanceIDOffsetEnable != other.bInstanceIDOffsetEnable) return false; 128 129 for (uint32_t i = 0; i < numAttribs; ++i) 130 { 131 if ((layout[i].bits != other.layout[i].bits) || 132 (((layout[i].InstanceEnable == 1) || (layout[i].InstanceStrideEnable == 1)) && 133 (layout[i].InstanceAdvancementState != other.layout[i].InstanceAdvancementState))){ 134 return false; 135 } 136 } 137 138 return true; 139 } 140 }; 141