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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  (8 * 1024 * 1024 / sizeof(uint32))
66 
67 #define SVGA3D_MAX_CLIP_PLANES    6
68 
69 /*
70  * This is the limit to the number of fixed-function texture
71  * transforms and texture coordinates we can support. It does *not*
72  * correspond to the number of texture image units (samplers) we
73  * support!
74  */
75 #define SVGA3D_MAX_TEXTURE_COORDS 8
76 
77 /*
78  * Number of faces in a cubemap.
79  */
80 #define SVGA3D_MAX_SURFACE_FACES 6
81 
82 /*
83  * Maximum number of array indexes in a GB surface (with DX enabled).
84  */
85 #define SVGA3D_MAX_SURFACE_ARRAYSIZE 512
86 
87 /*
88  * The maximum number of vertex arrays we're guaranteed to support in
89  * SVGA_3D_CMD_DRAWPRIMITIVES.
90  */
91 #define SVGA3D_MAX_VERTEX_ARRAYS   32
92 
93 /*
94  * The maximum number of primitive ranges we're guaranteed to support
95  * in SVGA_3D_CMD_DRAWPRIMITIVES.
96  */
97 #define SVGA3D_MAX_DRAW_PRIMITIVE_RANGES 32
98 
99 #endif /* _SVGA3D_LIMITS_H_ */
100