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 
29 struct pipe_resource;
30 struct pipe_vertex_element;
31 struct pipe_stream_output_info;
32 struct NineDevice9;
33 struct NineVertexBuffer9;
34 struct nine_vs_output_info;
35 
36 struct 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 };
53 static inline struct NineVertexDeclaration9 *
NineVertexDeclaration9(void * data)54 NineVertexDeclaration9( void *data )
55 {
56     return (struct NineVertexDeclaration9 *)data;
57 }
58 
59 HRESULT
60 NineVertexDeclaration9_new( struct NineDevice9 *pDevice,
61                             const D3DVERTEXELEMENT9 *pElements,
62                             struct NineVertexDeclaration9 **ppOut );
63 
64 HRESULT
65 NineVertexDeclaration9_new_from_fvf( struct NineDevice9 *pDevice,
66                                      DWORD FVF,
67                                      struct NineVertexDeclaration9 **ppOut );
68 
69 HRESULT
70 NineVertexDeclaration9_ctor( struct NineVertexDeclaration9 *This,
71                              struct NineUnknownParams *pParams,
72                              const D3DVERTEXELEMENT9 *pElements );
73 
74 void
75 NineVertexDeclaration9_dtor( struct NineVertexDeclaration9 *This );
76 
77 HRESULT NINE_WINAPI
78 NineVertexDeclaration9_GetDeclaration( struct NineVertexDeclaration9 *This,
79                                        D3DVERTEXELEMENT9 *pElement,
80                                        UINT *pNumElements );
81 
82 void
83 NineVertexDeclaration9_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. */
90 HRESULT
91 NineVertexDeclaration9_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