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
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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.
23 *
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 SVGA3dElementLayoutId layout_id; /**< current element layout id */
47
48 enum pipe_prim_type prim;
49
50 struct pipe_resource *vbuf;
51 struct pipe_resource *ibuf;
52 struct pipe_transfer *vbuf_transfer;
53 struct pipe_transfer *ibuf_transfer;
54
55 void *vbuf_ptr;
56
57 /* current size of buffer */
58 size_t vbuf_size;
59 size_t ibuf_size;
60
61 /* size of that the buffer should be */
62 size_t vbuf_alloc_size;
63 size_t ibuf_alloc_size;
64
65 /* current write place */
66 size_t vbuf_offset;
67 size_t ibuf_offset;
68
69 /* currently used */
70 size_t vbuf_used;
71
72 SVGA3dVertexDecl vdecl[PIPE_MAX_ATTRIBS];
73 unsigned vdecl_offset;
74 unsigned vdecl_count;
75
76 ushort min_index;
77 ushort max_index;
78 };
79
80 /**
81 * Basically a cast wrapper.
82 */
83 static inline struct svga_vbuf_render *
svga_vbuf_render(struct vbuf_render * render)84 svga_vbuf_render( struct vbuf_render *render )
85 {
86 assert(render);
87 return (struct svga_vbuf_render *)render;
88 }
89
90
91 struct vbuf_render *
92 svga_vbuf_render_create( struct svga_context *svga );
93
94
95 enum pipe_error
96 svga_swtnl_update_vdecl( struct svga_context *svga );
97
98
99 #endif
100