1/********************************************************** 2 * Copyright 2007-2009 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 * @file 28 * SVGA Shader Token Definitions 29 * 30 * @author Michal Krol <michal@vmware.com> 31 */ 32 33#ifndef ST_SHADER_SVGA_H 34#define ST_SHADER_SVGA_H 35 36#include "pipe/p_compiler.h" 37 38struct sh_op 39{ 40 unsigned opcode:16; 41 unsigned control:8; 42 unsigned length:4; 43 unsigned predicated:1; 44 unsigned unused:1; 45 unsigned coissue:1; 46 unsigned is_reg:1; 47}; 48 49struct sh_reg 50{ 51 unsigned number:11; 52 unsigned type_hi:2; 53 unsigned relative:1; 54 unsigned unused:14; 55 unsigned type_lo:3; 56 unsigned is_reg:1; 57}; 58 59static INLINE unsigned 60sh_reg_type( struct sh_reg reg ) 61{ 62 return reg.type_lo | (reg.type_hi << 3); 63} 64 65struct sh_cdata 66{ 67 float xyzw[4]; 68}; 69 70struct sh_def 71{ 72 struct sh_op op; 73 struct sh_reg reg; 74 struct sh_cdata cdata; 75}; 76 77struct sh_defb 78{ 79 struct sh_op op; 80 struct sh_reg reg; 81 uint data; 82}; 83 84struct sh_idata 85{ 86 int xyzw[4]; 87}; 88 89struct sh_defi 90{ 91 struct sh_op op; 92 struct sh_reg reg; 93 struct sh_idata idata; 94}; 95 96#define PS_TEXTURETYPE_UNKNOWN SVGA3DSAMP_UNKNOWN 97#define PS_TEXTURETYPE_2D SVGA3DSAMP_2D 98#define PS_TEXTURETYPE_CUBE SVGA3DSAMP_CUBE 99#define PS_TEXTURETYPE_VOLUME SVGA3DSAMP_VOLUME 100 101struct sh_sampleinfo 102{ 103 unsigned unused:27; 104 unsigned texture_type:4; 105 unsigned is_reg:1; 106}; 107 108struct sh_semantic 109{ 110 unsigned usage:4; 111 unsigned unused1:12; 112 unsigned usage_index:4; 113 unsigned unused2:11; 114 unsigned is_reg:1; 115}; 116 117#define SH_WRITEMASK_0 0x1 118#define SH_WRITEMASK_1 0x2 119#define SH_WRITEMASK_2 0x4 120#define SH_WRITEMASK_3 0x8 121#define SH_WRITEMASK_ALL 0xf 122 123#define SH_DSTMOD_NONE 0x0 124#define SH_DSTMOD_SATURATE 0x1 125#define SH_DSTMOD_PARTIALPRECISION 0x2 126#define SH_DSTMOD_MSAMPCENTROID 0x4 127 128struct sh_dstreg 129{ 130 unsigned number:11; 131 unsigned type_hi:2; 132 unsigned relative:1; 133 unsigned unused:2; 134 unsigned write_mask:4; 135 unsigned modifier:4; 136 unsigned shift_scale:4; 137 unsigned type_lo:3; 138 unsigned is_reg:1; 139}; 140 141static INLINE unsigned 142sh_dstreg_type( struct sh_dstreg reg ) 143{ 144 return reg.type_lo | (reg.type_hi << 3); 145} 146 147struct sh_dcl 148{ 149 struct sh_op op; 150 union { 151 struct sh_sampleinfo sampleinfo; 152 struct sh_semantic semantic; 153 } u; 154 struct sh_dstreg reg; 155}; 156 157struct sh_srcreg 158{ 159 unsigned number:11; 160 unsigned type_hi:2; 161 unsigned relative:1; 162 unsigned unused:2; 163 unsigned swizzle_x:2; 164 unsigned swizzle_y:2; 165 unsigned swizzle_z:2; 166 unsigned swizzle_w:2; 167 unsigned modifier:4; 168 unsigned type_lo:3; 169 unsigned is_reg:1; 170}; 171 172static INLINE unsigned 173sh_srcreg_type( struct sh_srcreg reg ) 174{ 175 return reg.type_lo | (reg.type_hi << 3); 176} 177 178struct sh_dstop 179{ 180 struct sh_op op; 181 struct sh_dstreg dst; 182}; 183 184struct sh_srcop 185{ 186 struct sh_op op; 187 struct sh_srcreg src; 188}; 189 190struct sh_src2op 191{ 192 struct sh_op op; 193 struct sh_srcreg src0; 194 struct sh_srcreg src1; 195}; 196 197struct sh_unaryop 198{ 199 struct sh_op op; 200 struct sh_dstreg dst; 201 struct sh_srcreg src; 202}; 203 204struct sh_binaryop 205{ 206 struct sh_op op; 207 struct sh_dstreg dst; 208 struct sh_srcreg src0; 209 struct sh_srcreg src1; 210}; 211 212struct sh_trinaryop 213{ 214 struct sh_op op; 215 struct sh_dstreg dst; 216 struct sh_srcreg src0; 217 struct sh_srcreg src1; 218 struct sh_srcreg src2; 219}; 220 221struct sh_comment 222{ 223 unsigned opcode:16; 224 unsigned size:16; 225}; 226 227#endif /* ST_SHADER_SVGA_H */ 228