1/*
2 * Copyright 2011 Joakim Sindholt <opensource@zhasha.com>
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 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the 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 NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE. */
22
23#ifndef _NINE_VERTEXDECLARATION9_H_
24#define _NINE_VERTEXDECLARATION9_H_
25
26#include "nine_defines.h"
27#include "iunknown.h"
28
29struct pipe_resource;
30struct pipe_vertex_element;
31struct pipe_stream_output_info;
32struct NineDevice9;
33struct NineVertexBuffer9;
34struct nine_vs_output_info;
35
36struct NineVertexDeclaration9
37{
38    struct NineUnknown base;
39
40    /* G3D state */
41    struct pipe_vertex_element *elems;
42    unsigned nelems;
43
44    /* index -> DECLUSAGE, for selecting the vertex element
45     * for each VS input */
46    uint16_t *usage_map;
47
48    D3DVERTEXELEMENT9 *decls;
49    DWORD fvf;
50
51    BOOL position_t;
52};
53static inline struct NineVertexDeclaration9 *
54NineVertexDeclaration9( void *data )
55{
56    return (struct NineVertexDeclaration9 *)data;
57}
58
59HRESULT
60NineVertexDeclaration9_new( struct NineDevice9 *pDevice,
61                            const D3DVERTEXELEMENT9 *pElements,
62                            struct NineVertexDeclaration9 **ppOut );
63
64HRESULT
65NineVertexDeclaration9_new_from_fvf( struct NineDevice9 *pDevice,
66                                     DWORD FVF,
67                                     struct NineVertexDeclaration9 **ppOut );
68
69HRESULT
70NineVertexDeclaration9_ctor( struct NineVertexDeclaration9 *This,
71                             struct NineUnknownParams *pParams,
72                             const D3DVERTEXELEMENT9 *pElements );
73
74void
75NineVertexDeclaration9_dtor( struct NineVertexDeclaration9 *This );
76
77HRESULT NINE_WINAPI
78NineVertexDeclaration9_GetDeclaration( struct NineVertexDeclaration9 *This,
79                                       D3DVERTEXELEMENT9 *pElement,
80                                       UINT *pNumElements );
81
82void
83NineVertexDeclaration9_FillStreamOutputInfo(
84    struct NineVertexDeclaration9 *This,
85    struct nine_vs_output_info *ShaderOutputsInfo,
86    unsigned numOutputs,
87    struct pipe_stream_output_info *so );
88
89/* Convert stream output data to the vertex declaration's format. */
90HRESULT
91NineVertexDeclaration9_ConvertStreamOutput(
92    struct NineVertexDeclaration9 *This,
93    struct NineVertexBuffer9 *pDstBuf,
94    UINT DestIndex,
95    UINT VertexCount,
96    void *pSrcBuf,
97    const struct pipe_stream_output_info *so );
98
99#endif /* _NINE_VERTEXDECLARATION9_H_ */
100