drivers/gpu/drm/vmwgfx/device_include/svga3d_limits.h

   1 /* SPDX-License-Identifier: GPL-2.0 OR MIT */
   2 /**********************************************************
   3  * Copyright 2007-2019 VMware, Inc.
   4  *
   5  * Permission is hereby granted, free of charge, to any person
   6  * obtaining a copy of this software and associated documentation
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  10  * of the Software, and to permit persons to whom the Software is
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  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_CONTEXT_IDS                  256
  44 #define SVGA3D_MAX_SURFACE_IDS                  (32 * 1024)
  45
  46 /*
  47  * While there are separate bind-points for RenderTargetViews and
  48  * UnorderedAccessViews in a DXContext, there is in fact one shared
  49  * semantic space that the guest-driver can use on any given draw call.
  50  * So there are really only 8 slots that can be spilt up between them, with the
  51  * spliceIndex controlling where the UAV's sit in the collapsed array.
  52  */
  53 #define SVGA3D_MAX_RENDER_TARGETS               8
  54 #define SVGA3D_MAX_SIMULTANEOUS_RENDER_TARGETS  (SVGA3D_MAX_RENDER_TARGETS)
  55 #define SVGA3D_MAX_UAVIEWS                      8
  56 #define SVGA3D_DX11_1_MAX_UAVIEWS               64
  57
  58 /*
  59  * Maximum canonical size of a surface in host-backed mode (pre-GBObjects).
  60  */
  61 #define SVGA3D_HB_MAX_SURFACE_SIZE MBYTES_2_BYTES(128)
  62
  63 /*
  64  * Maximum ID a shader can be assigned on a given context.
  65  */
  66 #define SVGA3D_MAX_SHADERIDS                    5000
  67 /*
  68  * Maximum number of shaders of a given type that can be defined
  69  * (including all contexts).
  70  */
  71 #define SVGA3D_MAX_SIMULTANEOUS_SHADERS         20000
  72
  73 #define SVGA3D_NUM_TEXTURE_UNITS                32
  74 #define SVGA3D_NUM_LIGHTS                       8
  75
  76 #define SVGA3D_MAX_VIDEOPROCESSOR_SAMPLERS      32
  77
  78 /*
  79  * Maximum size in dwords of shader text the SVGA device will allow.
  80  * Currently 8 MB.
  81  */
  82 #define SVGA3D_MAX_SHADER_MEMORY_BYTES (8 * 1024 * 1024)
  83 #define SVGA3D_MAX_SHADER_MEMORY  (SVGA3D_MAX_SHADER_MEMORY_BYTES / \
  84                                    sizeof(uint32))
  85
  86 /*
  87  * The maximum value of threadGroupCount in each dimension
  88  */
  89 #define SVGA3D_MAX_SHADER_THREAD_GROUPS 65535
  90
  91 #define SVGA3D_MAX_CLIP_PLANES    6
  92
  93 /*
  94  * This is the limit to the number of fixed-function texture
  95  * transforms and texture coordinates we can support. It does *not*
  96  * correspond to the number of texture image units (samplers) we
  97  * support!
  98  */
  99 #define SVGA3D_MAX_TEXTURE_COORDS 8
 100
 101 /*
 102  * Number of faces in a cubemap.
 103  */
 104 #define SVGA3D_MAX_SURFACE_FACES 6
 105
 106 /*
 107  * Maximum number of array indexes in a GB surface (with DX enabled).
 108  */
 109 #define SVGA3D_SM4_MAX_SURFACE_ARRAYSIZE 512
 110 #define SVGA3D_SM5_MAX_SURFACE_ARRAYSIZE 2048
 111 #define SVGA3D_MAX_SURFACE_ARRAYSIZE SVGA3D_SM5_MAX_SURFACE_ARRAYSIZE
 112
 113 /*
 114  * The maximum number of vertex arrays we're guaranteed to support in
 115  * SVGA_3D_CMD_DRAWPRIMITIVES.
 116  */
 117 #define SVGA3D_MAX_VERTEX_ARRAYS   32
 118
 119 /*
 120  * The maximum number of primitive ranges we're guaranteed to support
 121  * in SVGA_3D_CMD_DRAWPRIMITIVES.
 122  */
 123 #define SVGA3D_MAX_DRAW_PRIMITIVE_RANGES 32
 124
 125 /*
 126  * The maximum number of samples that can be contained in a surface.
 127  */
 128 #define SVGA3D_MAX_SAMPLES 8
 129
 130 #endif /* _SVGA3D_LIMITS_H_ */