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

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  23 * @file streamout_jit.h
  24 *
  25 * @brief Definition of the streamout jitter
  26 *
  27 * Notes:
  28 *
  29 ******************************************************************************/
  30 #pragma once
  31
  32 #include "common/formats.h"
  33 #include "core/state.h"
  34
  35 //////////////////////////////////////////////////////////////////////////
  36 /// STREAMOUT_DECL - Stream decl
  37 //////////////////////////////////////////////////////////////////////////
  38 struct STREAMOUT_DECL
  39 {
  40     // Buffer that stream maps to.
  41     DWORD bufferIndex;
  42
  43     // attribute to stream
  44     uint32_t attribSlot;
  45
  46     // attribute component mask
  47     uint32_t componentMask;
  48
  49     // indicates this decl is a hole
  50     bool hole;
  51 };
  52
  53 //////////////////////////////////////////////////////////////////////////
  54 /// STREAMOUT_STREAM - Stream decls
  55 //////////////////////////////////////////////////////////////////////////
  56 struct STREAMOUT_STREAM
  57 {
  58     // numnber of decls for this stream
  59     uint32_t numDecls;
  60
  61     // array of numDecls decls
  62     STREAMOUT_DECL decl[128];
  63 };
  64
  65 //////////////////////////////////////////////////////////////////////////
  66 /// State required for streamout jit
  67 //////////////////////////////////////////////////////////////////////////
  68 struct STREAMOUT_COMPILE_STATE
  69 {
  70     // number of verts per primitive
  71     uint32_t numVertsPerPrim;
  72     uint32_t offsetAttribs; ///< attrib offset to subtract from all STREAMOUT_DECL::attribSlot values.
  73
  74     uint64_t streamMask;
  75
  76     // stream decls
  77     STREAMOUT_STREAM stream;
  78
  79     bool operator==(const STREAMOUT_COMPILE_STATE &other) const
  80     {
  81         if (numVertsPerPrim != other.numVertsPerPrim) return false;
  82         if (stream.numDecls != other.stream.numDecls) return false;
  83
  84         for (uint32_t i = 0; i < stream.numDecls; ++i)
  85         {
  86             if (stream.decl[i].bufferIndex != other.stream.decl[i].bufferIndex) return false;
  87             if (stream.decl[i].attribSlot != other.stream.decl[i].attribSlot) return false;
  88             if (stream.decl[i].componentMask != other.stream.decl[i].componentMask) return false;
  89             if (stream.decl[i].hole != other.stream.decl[i].hole) return false;
  90         }
  91
  92         return true;
  93     }
  94 };