1 /* $NetBSD: svga3d_limits.h,v 1.3 2021/12/18 23:45:45 riastradh Exp $ */ 2 3 /* SPDX-License-Identifier: GPL-2.0 OR MIT */ 4 /********************************************************** 5 * Copyright 2007-2015 VMware, Inc. 6 * 7 * Permission is hereby granted, free of charge, to any person 8 * obtaining a copy of this software and associated documentation 9 * files (the "Software"), to deal in the Software without 10 * restriction, including without limitation the rights to use, copy, 11 * modify, merge, publish, distribute, sublicense, and/or sell copies 12 * of the Software, and to permit persons to whom the Software is 13 * furnished to do so, subject to the following conditions: 14 * 15 * The above copyright notice and this permission notice shall be 16 * included in all copies or substantial portions of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 19 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 21 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 22 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 23 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 24 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 25 * SOFTWARE. 26 * 27 **********************************************************/ 28 29 /* 30 * svga3d_limits.h -- 31 * 32 * SVGA 3d hardware limits 33 */ 34 35 #ifndef _SVGA3D_LIMITS_H_ 36 #define _SVGA3D_LIMITS_H_ 37 38 #define INCLUDE_ALLOW_MODULE 39 #define INCLUDE_ALLOW_USERLEVEL 40 #define INCLUDE_ALLOW_VMCORE 41 42 #include "includeCheck.h" 43 44 #define SVGA3D_NUM_CLIPPLANES 6 45 #define SVGA3D_MAX_RENDER_TARGETS 8 46 #define SVGA3D_MAX_SIMULTANEOUS_RENDER_TARGETS (SVGA3D_MAX_RENDER_TARGETS) 47 #define SVGA3D_MAX_UAVIEWS 8 48 #define SVGA3D_MAX_CONTEXT_IDS 256 49 #define SVGA3D_MAX_SURFACE_IDS (32 * 1024) 50 51 /* 52 * Maximum ID a shader can be assigned on a given context. 53 */ 54 #define SVGA3D_MAX_SHADERIDS 5000 55 /* 56 * Maximum number of shaders of a given type that can be defined 57 * (including all contexts). 58 */ 59 #define SVGA3D_MAX_SIMULTANEOUS_SHADERS 20000 60 61 #define SVGA3D_NUM_TEXTURE_UNITS 32 62 #define SVGA3D_NUM_LIGHTS 8 63 64 /* 65 * Maximum size in dwords of shader text the SVGA device will allow. 66 * Currently 8 MB. 67 */ 68 #define SVGA3D_MAX_SHADER_MEMORY_BYTES (8 * 1024 * 1024) 69 #define SVGA3D_MAX_SHADER_MEMORY (SVGA3D_MAX_SHADER_MEMORY_BYTES / \ 70 sizeof(uint32)) 71 72 #define SVGA3D_MAX_CLIP_PLANES 6 73 74 /* 75 * This is the limit to the number of fixed-function texture 76 * transforms and texture coordinates we can support. It does *not* 77 * correspond to the number of texture image units (samplers) we 78 * support! 79 */ 80 #define SVGA3D_MAX_TEXTURE_COORDS 8 81 82 /* 83 * Number of faces in a cubemap. 84 */ 85 #define SVGA3D_MAX_SURFACE_FACES 6 86 87 /* 88 * Maximum number of array indexes in a GB surface (with DX enabled). 89 */ 90 #define SVGA3D_MAX_SURFACE_ARRAYSIZE 512 91 92 /* 93 * The maximum number of vertex arrays we're guaranteed to support in 94 * SVGA_3D_CMD_DRAWPRIMITIVES. 95 */ 96 #define SVGA3D_MAX_VERTEX_ARRAYS 32 97 98 /* 99 * The maximum number of primitive ranges we're guaranteed to support 100 * in SVGA_3D_CMD_DRAWPRIMITIVES. 101 */ 102 #define SVGA3D_MAX_DRAW_PRIMITIVE_RANGES 32 103 104 #endif /* _SVGA3D_LIMITS_H_ */ 105