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 };
  89
  90 //////////////////////////////////////////////////////////////////////////
  91 /// State required for fetch shader jit compile.
  92 //////////////////////////////////////////////////////////////////////////
  93 struct FETCH_COMPILE_STATE
  94 {
  95     uint32_t numAttribs;
  96     INPUT_ELEMENT_DESC layout[KNOB_NUM_ATTRIBUTES];
  97     SWR_FORMAT indexType;
  98     uint32_t cutIndex{ 0xffffffff };
  99
 100     bool                InstanceIdEnable;
 101     uint32_t            InstanceIdElementOffset;
 102     uint32_t            InstanceIdComponentNumber;
 103     bool                VertexIdEnable;
 104     uint32_t            VertexIdElementOffset;
 105     uint32_t            VertexIdComponentNumber;
 106
 107     // Options that effect the JIT'd code
 108     bool bDisableVGATHER;           // if enabled, FetchJit will generate loads/shuffles instead of VGATHERs
 109     bool bDisableIndexOOBCheck;     // if enabled, FetchJit will exclude index OOB check
 110     bool bEnableCutIndex{ false };  // compares indices with the cut index and returns a cut mask
 111
 112     FETCH_COMPILE_STATE(bool disableVGATHER = false, bool diableIndexOOBCheck = false):
 113         bDisableVGATHER(disableVGATHER), bDisableIndexOOBCheck(diableIndexOOBCheck){ };
 114
 115     bool operator==(const FETCH_COMPILE_STATE &other) const
 116     {
 117         if (numAttribs != other.numAttribs) return false;
 118         if (indexType != other.indexType) return false;
 119         if (bDisableVGATHER != other.bDisableVGATHER) return false;
 120         if (bDisableIndexOOBCheck != other.bDisableIndexOOBCheck) return false;
 121         if (bEnableCutIndex != other.bEnableCutIndex) return false;
 122         if (cutIndex != other.cutIndex) return false;
 123
 124         if (InstanceIdEnable != other.InstanceIdEnable) return false;
 125         if (InstanceIdEnable)
 126         {
 127             if (InstanceIdComponentNumber != other.InstanceIdComponentNumber) return false;
 128             if (InstanceIdElementOffset != other.InstanceIdElementOffset) return false;
 129         }
 130         if (VertexIdEnable != other.VertexIdEnable) return false;
 131         if (VertexIdEnable)
 132         {
 133             if (VertexIdComponentNumber != other.VertexIdComponentNumber) return false;
 134             if (VertexIdElementOffset != other.VertexIdElementOffset) return false;
 135         }
 136
 137         for(uint32_t i = 0; i < numAttribs; ++i)
 138         {
 139             if((layout[i].bits != other.layout[i].bits) ||
 140                ((layout[i].InstanceEnable == 1) &&
 141                 (layout[i].InstanceDataStepRate != other.layout[i].InstanceDataStepRate))){
 142                 return false;
 143             }
 144         }
 145
 146         return true;
 147     }
 148 };