src/gallium/drivers/swr/rasterizer/jitter/fetch_jit.h

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  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            ComponentControl0 : 3;
  49             uint32_t            ComponentControl1 : 3;
  50             uint32_t            ComponentControl2 : 3;
  51             uint32_t            ComponentControl3 : 3;
  52             uint32_t            ComponentPacking : 4;
  53             uint32_t            _reserved : 19;
  54         };
  55         uint64_t bits;
  56     };
  57     uint32_t InstanceDataStepRate;
  58 };
  59
  60 // used to set ComponentPacking
  61 enum ComponentEnable
  62 {
  63     NONE = 0x0,
  64     X    = 0x1,
  65     Y    = 0x2,
  66     XY   = 0x3,
  67     Z    = 0x4,
  68     XZ   = 0x5,
  69     YZ   = 0x6,
  70     XYZ  = 0x7,
  71     W    = 0x8,
  72     XW   = 0x9,
  73     YW   = 0xA,
  74     XYW  = 0xB,
  75     ZW   = 0xC,
  76     XZW  = 0xD,
  77     YZW  = 0xE,
  78     XYZW = 0xF,
  79 };
  80
  81 enum ComponentControl
  82 {
  83     NoStore         = 0,
  84     StoreSrc        = 1,
  85     Store0          = 2,
  86     Store1Fp        = 3,
  87     Store1Int       = 4,
  88     StoreVertexId   = 5,
  89     StoreInstanceId = 6
  90 };
  91
  92 //////////////////////////////////////////////////////////////////////////
  93 /// State required for fetch shader jit compile.
  94 //////////////////////////////////////////////////////////////////////////
  95 struct FETCH_COMPILE_STATE
  96 {
  97     uint32_t numAttribs;
  98     INPUT_ELEMENT_DESC layout[KNOB_NUM_ATTRIBUTES];
  99     SWR_FORMAT indexType;
 100     uint32_t cutIndex{ 0xffffffff };
 101
 102     // Options that effect the JIT'd code
 103     bool bDisableVGATHER;                   // If enabled, FetchJit will generate loads/shuffles instead of VGATHERs
 104     bool bDisableIndexOOBCheck;             // If enabled, FetchJit will exclude index OOB check
 105     bool bEnableCutIndex{ false };          // Compares indices with the cut index and returns a cut mask
 106     bool bVertexIDOffsetEnable{ false };    // Offset vertexID by StartVertex for non-indexed draws or BaseVertex for indexed draws
 107
 108     FETCH_COMPILE_STATE(bool disableVGATHER = false, bool diableIndexOOBCheck = false):
 109         bDisableVGATHER(disableVGATHER), bDisableIndexOOBCheck(diableIndexOOBCheck){ };
 110
 111     bool operator==(const FETCH_COMPILE_STATE &other) const
 112     {
 113         if (numAttribs != other.numAttribs) return false;
 114         if (indexType != other.indexType) return false;
 115         if (bDisableVGATHER != other.bDisableVGATHER) return false;
 116         if (bDisableIndexOOBCheck != other.bDisableIndexOOBCheck) return false;
 117         if (bEnableCutIndex != other.bEnableCutIndex) return false;
 118         if (cutIndex != other.cutIndex) return false;
 119         if (bVertexIDOffsetEnable != other.bVertexIDOffsetEnable) return false;
 120
 121         for(uint32_t i = 0; i < numAttribs; ++i)
 122         {
 123             if((layout[i].bits != other.layout[i].bits) ||
 124                ((layout[i].InstanceEnable == 1) &&
 125                 (layout[i].InstanceDataStepRate != other.layout[i].InstanceDataStepRate))){
 126                 return false;
 127             }
 128         }
 129
 130         return true;
 131     }
 132 };