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22 *
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//////////////////////////////////////////////////////////////////////////
38struct 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//////////////////////////////////////////////////////////////////////////
56struct 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//////////////////////////////////////////////////////////////////////////
68struct STREAMOUT_COMPILE_STATE
69{
70    // number of verts per primitive
71    uint32_t numVertsPerPrim;
72    uint32_t
73        offsetAttribs; ///< attrib offset to subtract from all STREAMOUT_DECL::attribSlot values.
74
75    uint64_t streamMask;
76
77    // stream decls
78    STREAMOUT_STREAM stream;
79
80    bool operator==(const STREAMOUT_COMPILE_STATE& other) const
81    {
82        if (numVertsPerPrim != other.numVertsPerPrim)
83            return false;
84        if (stream.numDecls != other.stream.numDecls)
85            return false;
86
87        for (uint32_t i = 0; i < stream.numDecls; ++i)
88        {
89            if (stream.decl[i].bufferIndex != other.stream.decl[i].bufferIndex)
90                return false;
91            if (stream.decl[i].attribSlot != other.stream.decl[i].attribSlot)
92                return false;
93            if (stream.decl[i].componentMask != other.stream.decl[i].componentMask)
94                return false;
95            if (stream.decl[i].hole != other.stream.decl[i].hole)
96                return false;
97        }
98
99        return true;
100    }
101};
102