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 */
38struct 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 */
83static inline struct svga_vbuf_render *
84svga_vbuf_render( struct vbuf_render *render )
85{
86   assert(render);
87   return (struct svga_vbuf_render *)render;
88}
89
90
91struct vbuf_render *
92svga_vbuf_render_create( struct svga_context *svga );
93
94
95enum pipe_error
96svga_swtnl_update_vdecl( struct svga_context *svga );
97
98
99#endif
100