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  1. /**********************************************************
  2.  * Copyright 2007-2014 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_CONTEXT_IDS                  256
  45. #define SVGA3D_MAX_SURFACE_IDS                  (32 * 1024)
  46.  
  47. /*
  48.  * Maximum ID a shader can be assigned on a given context.
  49.  */
  50. #define SVGA3D_MAX_SHADERIDS                    5000
  51. /*
  52.  * Maximum number of shaders of a given type that can be defined
  53.  * (including all contexts).
  54.  */
  55. #define SVGA3D_MAX_SIMULTANEOUS_SHADERS         20000
  56.  
  57. #define SVGA3D_NUM_TEXTURE_UNITS                32
  58. #define SVGA3D_NUM_LIGHTS                       8
  59. #define SVGA3D_MAX_VIDEODECODERS                8
  60. #define SVGA3D_MAX_VIDEOPROCESSORS              8
  61. #define SVGA3D_MAX_VIDEODECODER_FRAMES          400
  62.  
  63. /*
  64.  * Maximum size in dwords of shader text the SVGA device will allow.
  65.  * Currently 8 MB.
  66.  */
  67. #define SVGA3D_MAX_SHADER_MEMORY  (8 * 1024 * 1024 / 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_MAX_SURFACE_ARRAYSIZE 512
  88.  
  89. /*
  90.  * The maximum number of vertex arrays we're guaranteed to support in
  91.  * SVGA_3D_CMD_DRAWPRIMITIVES.
  92.  */
  93. #define SVGA3D_MAX_VERTEX_ARRAYS   32
  94.  
  95. /*
  96.  * The maximum number of primitive ranges we're guaranteed to support
  97.  * in SVGA_3D_CMD_DRAWPRIMITIVES.
  98.  */
  99. #define SVGA3D_MAX_DRAW_PRIMITIVE_RANGES 32
  100.  
  101. #endif // _SVGA3D_LIMITS_H_
  102.