1 /**********************************************************
2 * Copyright 2008-2009 VMware, Inc. All rights reserved.
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:
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
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
24 **********************************************************/
29 #include "pipe/p_compiler.h"
30 #include "pipe/p_defines.h"
31 #include "indices/u_indices.h"
32 #include "svga_hw_reg.h"
33 #include "svga3d_shaderdefs.h"
38 /* Should include polygon?
40 static const unsigned svga_hw_prims
=
41 ((1 << PIPE_PRIM_POINTS
) |
42 (1 << PIPE_PRIM_LINES
) |
43 (1 << PIPE_PRIM_LINE_STRIP
) |
44 (1 << PIPE_PRIM_TRIANGLES
) |
45 (1 << PIPE_PRIM_TRIANGLE_STRIP
) |
46 (1 << PIPE_PRIM_TRIANGLE_FAN
));
49 static INLINE
unsigned svga_translate_prim(unsigned mode
,
54 case PIPE_PRIM_POINTS
:
56 return SVGA3D_PRIMITIVE_POINTLIST
;
59 *out_count
= count
/ 2;
60 return SVGA3D_PRIMITIVE_LINELIST
;
62 case PIPE_PRIM_LINE_STRIP
:
63 *out_count
= count
- 1;
64 return SVGA3D_PRIMITIVE_LINESTRIP
;
66 case PIPE_PRIM_TRIANGLES
:
67 *out_count
= count
/ 3;
68 return SVGA3D_PRIMITIVE_TRIANGLELIST
;
70 case PIPE_PRIM_TRIANGLE_STRIP
:
71 *out_count
= count
- 2;
72 return SVGA3D_PRIMITIVE_TRIANGLESTRIP
;
74 case PIPE_PRIM_TRIANGLE_FAN
:
75 *out_count
= count
- 2;
76 return SVGA3D_PRIMITIVE_TRIANGLEFAN
;
87 u_generate_func generate
;
90 /* If non-null, this buffer is filled by calling
91 * generate(nr, map(buffer))
93 struct pipe_resource
*buffer
;
99 struct svga_winsys_context
*swc
;
101 SVGA3dVertexDecl vdecl
[SVGA3D_INPUTREG_MAX
];
102 struct pipe_resource
*vdecl_vb
[SVGA3D_INPUTREG_MAX
];
103 unsigned vdecl_count
;
105 SVGA3dPrimitiveRange prim
[QSZ
];
106 struct pipe_resource
*prim_ib
[QSZ
];
108 unsigned min_index
[QSZ
];
109 unsigned max_index
[QSZ
];
112 #define IDX_CACHE_MAX 8
115 struct svga_context
*svga
;
116 struct u_upload_mgr
*upload_ib
;
118 /* Flatshade information:
122 unsigned api_fillmode
;
124 /* Cache the results of running a particular generate func on each
127 struct index_cache index_cache
[PIPE_PRIM_MAX
][IDX_CACHE_MAX
];
129 /* Try to build the maximal draw command packet before emitting:
136 /***********************************************************************
140 svga_hwtnl_prim( struct svga_hwtnl
*hwtnl
,
141 const SVGA3dPrimitiveRange
*range
,
144 struct pipe_resource
*ib
);
147 svga_hwtnl_simple_draw_range_elements( struct svga_hwtnl
*hwtnl
,
148 struct pipe_resource
*indexBuffer
,