| 1 | /* SPDX-License-Identifier: GPL-2.0 OR MIT */
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| 2 | /**********************************************************
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| 3 | * Copyright 2007-2019 VMware, Inc.
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| 4 | *
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| 5 | * Permission is hereby granted, free of charge, to any person
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| 6 | * obtaining a copy of this software and associated documentation
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| 7 | * files (the "Software"), to deal in the Software without
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| 8 | * restriction, including without limitation the rights to use, copy,
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| 9 | * modify, merge, publish, distribute, sublicense, and/or sell copies
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| 10 | * of the Software, and to permit persons to whom the Software is
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| 11 | * furnished to do so, subject to the following conditions:
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| 12 | *
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| 13 | * The above copyright notice and this permission notice shall be
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| 14 | * included in all copies or substantial portions of the Software.
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| 15 | *
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| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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| 17 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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| 18 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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| 19 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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| 20 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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| 21 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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| 22 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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| 23 | * SOFTWARE.
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| 24 | *
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| 25 | **********************************************************/
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| 26 |
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| 27 | /*
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| 28 | * svga3d_limits.h --
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| 29 | *
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| 30 | * SVGA 3d hardware limits
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| 31 | */
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| 32 |
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| 33 | #ifndef _SVGA3D_LIMITS_H_
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| 34 | #define _SVGA3D_LIMITS_H_
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| 35 |
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| 36 | #define INCLUDE_ALLOW_MODULE
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| 37 | #define INCLUDE_ALLOW_USERLEVEL
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| 38 | #define INCLUDE_ALLOW_VMCORE
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| 39 |
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| 40 | #include "includeCheck.h"
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| 41 |
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| 42 | #define SVGA3D_NUM_CLIPPLANES 6
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| 43 | #define SVGA3D_MAX_CONTEXT_IDS 256
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| 44 | #define SVGA3D_MAX_SURFACE_IDS (32 * 1024)
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| 45 |
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| 46 | /*
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| 47 | * While there are separate bind-points for RenderTargetViews and
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| 48 | * UnorderedAccessViews in a DXContext, there is in fact one shared
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| 49 | * semantic space that the guest-driver can use on any given draw call.
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| 50 | * So there are really only 8 slots that can be spilt up between them, with the
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| 51 | * spliceIndex controlling where the UAV's sit in the collapsed array.
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| 52 | */
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| 53 | #define SVGA3D_MAX_RENDER_TARGETS 8
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| 54 | #define SVGA3D_MAX_SIMULTANEOUS_RENDER_TARGETS (SVGA3D_MAX_RENDER_TARGETS)
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| 55 | #define SVGA3D_MAX_UAVIEWS 8
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| 56 | #define SVGA3D_DX11_1_MAX_UAVIEWS 64
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| 57 |
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| 58 | /*
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| 59 | * Maximum canonical size of a surface in host-backed mode (pre-GBObjects).
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| 60 | */
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| 61 | #define SVGA3D_HB_MAX_SURFACE_SIZE MBYTES_2_BYTES(128)
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| 62 |
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| 63 | /*
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| 64 | * Maximum ID a shader can be assigned on a given context.
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| 65 | */
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| 66 | #define SVGA3D_MAX_SHADERIDS 5000
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| 67 | /*
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| 68 | * Maximum number of shaders of a given type that can be defined
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| 69 | * (including all contexts).
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| 70 | */
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| 71 | #define SVGA3D_MAX_SIMULTANEOUS_SHADERS 20000
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| 72 |
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| 73 | #define SVGA3D_NUM_TEXTURE_UNITS 32
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| 74 | #define SVGA3D_NUM_LIGHTS 8
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| 75 |
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| 76 | #define SVGA3D_MAX_VIDEOPROCESSOR_SAMPLERS 32
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| 77 |
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| 78 | /*
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| 79 | * Maximum size in dwords of shader text the SVGA device will allow.
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| 80 | * Currently 8 MB.
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| 81 | */
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| 82 | #define SVGA3D_MAX_SHADER_MEMORY_BYTES (8 * 1024 * 1024)
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| 83 | #define SVGA3D_MAX_SHADER_MEMORY (SVGA3D_MAX_SHADER_MEMORY_BYTES / \
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| 84 | sizeof(uint32))
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| 85 |
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| 86 | /*
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| 87 | * The maximum value of threadGroupCount in each dimension
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| 88 | */
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| 89 | #define SVGA3D_MAX_SHADER_THREAD_GROUPS 65535
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| 90 |
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| 91 | #define SVGA3D_MAX_CLIP_PLANES 6
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| 92 |
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| 93 | /*
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| 94 | * This is the limit to the number of fixed-function texture
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| 95 | * transforms and texture coordinates we can support. It does *not*
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| 96 | * correspond to the number of texture image units (samplers) we
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| 97 | * support!
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| 98 | */
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| 99 | #define SVGA3D_MAX_TEXTURE_COORDS 8
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| 100 |
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| 101 | /*
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| 102 | * Number of faces in a cubemap.
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| 103 | */
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| 104 | #define SVGA3D_MAX_SURFACE_FACES 6
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| 105 |
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| 106 | /*
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| 107 | * Maximum number of array indexes in a GB surface (with DX enabled).
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| 108 | */
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| 109 | #define SVGA3D_SM4_MAX_SURFACE_ARRAYSIZE 512
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| 110 | #define SVGA3D_SM5_MAX_SURFACE_ARRAYSIZE 2048
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| 111 | #define SVGA3D_MAX_SURFACE_ARRAYSIZE SVGA3D_SM5_MAX_SURFACE_ARRAYSIZE
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| 112 |
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| 113 | /*
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| 114 | * The maximum number of vertex arrays we're guaranteed to support in
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| 115 | * SVGA_3D_CMD_DRAWPRIMITIVES.
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| 116 | */
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| 117 | #define SVGA3D_MAX_VERTEX_ARRAYS 32
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| 118 |
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| 119 | /*
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| 120 | * The maximum number of primitive ranges we're guaranteed to support
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| 121 | * in SVGA_3D_CMD_DRAWPRIMITIVES.
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| 122 | */
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| 123 | #define SVGA3D_MAX_DRAW_PRIMITIVE_RANGES 32
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| 124 |
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| 125 | /*
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| 126 | * The maximum number of samples that can be contained in a surface.
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| 127 | */
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| 128 | #define SVGA3D_MAX_SAMPLES 8
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| 129 |
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| 130 | #endif /* _SVGA3D_LIMITS_H_ */
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