LXR linux/drivers/gpu/drm/vmwgfx/device_include/svga3d

   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
   7 * files (the "Software"), to deal in the Software without
   8 * restriction, including without limitation the rights to use, copy,
   9 * modify, merge, publish, distribute, sublicense, and/or sell copies
  10 * of the Software, and to permit persons to whom the Software is
  11 * furnished to do so, subject to the following conditions:
  12 *
  13 * The above copyright notice and this permission notice shall be
  14 * included in all copies or substantial portions of the Software.
  15 *
  16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  20 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  21 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23 * SOFTWARE.
  24 *
  25 **********************************************************/
  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_ */
 131