1 /**********************************************************
2  * Copyright 2007-2015 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 /*
27  * svga3d_limits.h --
28  *
29  *       SVGA 3d hardware limits
30  */
31 
32 #ifndef _SVGA3D_LIMITS_H_
33 #define _SVGA3D_LIMITS_H_
34 
35 #define INCLUDE_ALLOW_MODULE
36 #define INCLUDE_ALLOW_USERLEVEL
37 #define INCLUDE_ALLOW_VMCORE
38 
39 #include "includeCheck.h"
40 
41 #define SVGA3D_NUM_CLIPPLANES                   6
42 #define SVGA3D_MAX_RENDER_TARGETS               8
43 #define SVGA3D_MAX_SIMULTANEOUS_RENDER_TARGETS  (SVGA3D_MAX_RENDER_TARGETS)
44 #define SVGA3D_MAX_UAVIEWS                      8
45 #define SVGA3D_MAX_CONTEXT_IDS                  256
46 #define SVGA3D_MAX_SURFACE_IDS                  (32 * 1024)
47 
48 /*
49  * Maximum ID a shader can be assigned on a given context.
50  */
51 #define SVGA3D_MAX_SHADERIDS                    5000
52 /*
53  * Maximum number of shaders of a given type that can be defined
54  * (including all contexts).
55  */
56 #define SVGA3D_MAX_SIMULTANEOUS_SHADERS         20000
57 
58 #define SVGA3D_NUM_TEXTURE_UNITS                32
59 #define SVGA3D_NUM_LIGHTS                       8
60 
61 /*
62  * Maximum size in dwords of shader text the SVGA device will allow.
63  * Currently 8 MB.
64  */
65 #define SVGA3D_MAX_SHADER_MEMORY_BYTES (8 * 1024 * 1024)
66 #define SVGA3D_MAX_SHADER_MEMORY  (SVGA3D_MAX_SHADER_MEMORY_BYTES / \
67                                    sizeof(uint32))
68 
69 #define SVGA3D_MAX_CLIP_PLANES    6
70 
71 /*
72  * This is the limit to the number of fixed-function texture
73  * transforms and texture coordinates we can support. It does *not*
74  * correspond to the number of texture image units (samplers) we
75  * support!
76  */
77 #define SVGA3D_MAX_TEXTURE_COORDS 8
78 
79 /*
80  * Number of faces in a cubemap.
81  */
82 #define SVGA3D_MAX_SURFACE_FACES 6
83 
84 /*
85  * Maximum number of array indexes in a GB surface (with DX enabled).
86  */
87 #define SVGA3D_SM4_MAX_SURFACE_ARRAYSIZE 512
88 #define SVGA3D_SM5_MAX_SURFACE_ARRAYSIZE 2048
89 #define SVGA3D_MAX_SURFACE_ARRAYSIZE SVGA3D_SM5_MAX_SURFACE_ARRAYSIZE
90 
91 /*
92  * The maximum number of vertex arrays we're guaranteed to support in
93  * SVGA_3D_CMD_DRAWPRIMITIVES.
94  */
95 #define SVGA3D_MAX_VERTEX_ARRAYS   32
96 
97 /*
98  * The maximum number of primitive ranges we're guaranteed to support
99  * in SVGA_3D_CMD_DRAWPRIMITIVES.
100  */
101 #define SVGA3D_MAX_DRAW_PRIMITIVE_RANGES 32
102 
103 /*
104  * The maximum number of samples that can be contained in a surface.
105  */
106 #define SVGA3D_MAX_SAMPLES 8
107 
108 #endif // _SVGA3D_LIMITS_H_
109