9bbb42910f513e043cf46a65b58164fb51921dfb
[mesa.git] / src / gallium / drivers / svga / svga_swtnl_private.h
1 /**********************************************************
2 * Copyright 2008-2009 VMware, Inc. All rights reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person
5 * obtaining a copy of this software and associated documentation
6 * files (the "Software"), to deal in the Software without
7 * restriction, including without limitation the rights to use, copy,
8 * modify, merge, publish, distribute, sublicense, and/or sell copies
9 * of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22 * SOFTWARE.
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24 **********************************************************/
25
26 #ifndef SVGA_SWTNL_PRIVATE_H
27 #define SVGA_SWTNL_PRIVATE_H
28
29 #include "svga_swtnl.h"
30 #include "draw/draw_vertex.h"
31
32 #include "svga_types.h"
33 #include "svga3d_reg.h"
34
35 /**
36 * Primitive renderer for svga.
37 */
38 struct svga_vbuf_render {
39 struct vbuf_render base;
40
41 struct svga_context *svga;
42 struct vertex_info vertex_info;
43
44 unsigned vertex_size;
45
46 unsigned prim;
47
48 struct pipe_buffer *vbuf;
49 struct pipe_buffer *ibuf;
50
51 /* current size of buffer */
52 size_t vbuf_size;
53 size_t ibuf_size;
54
55 /* size of that the buffer should be */
56 size_t vbuf_alloc_size;
57 size_t ibuf_alloc_size;
58
59 /* current write place */
60 size_t vbuf_offset;
61 size_t ibuf_offset;
62
63 /* currently used */
64 size_t vbuf_used;
65
66 SVGA3dVertexDecl vdecl[PIPE_MAX_ATTRIBS];
67 unsigned vdecl_offset;
68 unsigned vdecl_count;
69
70 ushort min_index;
71 ushort max_index;
72 };
73
74 /**
75 * Basically a cast wrapper.
76 */
77 static INLINE struct svga_vbuf_render *
78 svga_vbuf_render( struct vbuf_render *render )
79 {
80 assert(render);
81 return (struct svga_vbuf_render *)render;
82 }
83
84
85 struct vbuf_render *
86 svga_vbuf_render_create( struct svga_context *svga );
87
88
89 int
90 svga_swtnl_update_vdecl( struct svga_context *svga );
91
92
93 #endif