1 /* SPDX-License-Identifier: GPL-2.0 OR MIT */
2 /**********************************************************
3  * Copyright 2007-2015 VMware, Inc.
4  *
5  * Permission is hereby granted, free of charge, to any person
6  * obtaining a copy of this software and associated documentation
7  * files (the "Software"), to deal in the Software without
8  * restriction, including without limitation the rights to use, copy,
9  * modify, merge, publish, distribute, sublicense, and/or sell copies
10  * of the Software, and to permit persons to whom the Software is
11  * furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be
14  * included in all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
20  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
21  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23  * SOFTWARE.
24  *
25  **********************************************************/
26 
27 /*
28  * svga3d_limits.h --
29  *
30  *       SVGA 3d hardware limits
31  */
32 
33 #ifndef _SVGA3D_LIMITS_H_
34 #define _SVGA3D_LIMITS_H_
35 
36 #define INCLUDE_ALLOW_MODULE
37 #define INCLUDE_ALLOW_USERLEVEL
38 #define INCLUDE_ALLOW_VMCORE
39 
40 #include "includeCheck.h"
41 
42 #define SVGA3D_NUM_CLIPPLANES                   6
43 #define SVGA3D_MAX_RENDER_TARGETS               8
44 #define SVGA3D_MAX_SIMULTANEOUS_RENDER_TARGETS  (SVGA3D_MAX_RENDER_TARGETS)
45 #define SVGA3D_MAX_UAVIEWS                      8
46 #define SVGA3D_MAX_CONTEXT_IDS                  256
47 #define SVGA3D_MAX_SURFACE_IDS                  (32 * 1024)
48 
49 /*
50  * Maximum ID a shader can be assigned on a given context.
51  */
52 #define SVGA3D_MAX_SHADERIDS                    5000
53 /*
54  * Maximum number of shaders of a given type that can be defined
55  * (including all contexts).
56  */
57 #define SVGA3D_MAX_SIMULTANEOUS_SHADERS         20000
58 
59 #define SVGA3D_NUM_TEXTURE_UNITS                32
60 #define SVGA3D_NUM_LIGHTS                       8
61 
62 /*
63  * Maximum size in dwords of shader text the SVGA device will allow.
64  * Currently 8 MB.
65  */
66 #define SVGA3D_MAX_SHADER_MEMORY_BYTES (8 * 1024 * 1024)
67 #define SVGA3D_MAX_SHADER_MEMORY  (SVGA3D_MAX_SHADER_MEMORY_BYTES / \
68                                    sizeof(uint32))
69 
70 #define SVGA3D_MAX_CLIP_PLANES    6
71 
72 /*
73  * This is the limit to the number of fixed-function texture
74  * transforms and texture coordinates we can support. It does *not*
75  * correspond to the number of texture image units (samplers) we
76  * support!
77  */
78 #define SVGA3D_MAX_TEXTURE_COORDS 8
79 
80 /*
81  * Number of faces in a cubemap.
82  */
83 #define SVGA3D_MAX_SURFACE_FACES 6
84 
85 /*
86  * Maximum number of array indexes in a GB surface (with DX enabled).
87  */
88 #define SVGA3D_MAX_SURFACE_ARRAYSIZE 512
89 
90 /*
91  * The maximum number of vertex arrays we're guaranteed to support in
92  * SVGA_3D_CMD_DRAWPRIMITIVES.
93  */
94 #define SVGA3D_MAX_VERTEX_ARRAYS   32
95 
96 /*
97  * The maximum number of primitive ranges we're guaranteed to support
98  * in SVGA_3D_CMD_DRAWPRIMITIVES.
99  */
100 #define SVGA3D_MAX_DRAW_PRIMITIVE_RANGES 32
101 
102 #endif /* _SVGA3D_LIMITS_H_ */
103