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      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  (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