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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