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 (at) vmware.com> 31 */ 32 33 #ifndef ST_SHADER_SVGA_H 34 #define ST_SHADER_SVGA_H 35 36 #include "pipe/p_compiler.h" 37 38 struct 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 49 struct 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 59 static inline unsigned 60 sh_reg_type( struct sh_reg reg ) 61 { 62 return reg.type_lo | (reg.type_hi << 3); 63 } 64 65 struct sh_cdata 66 { 67 float xyzw[4]; 68 }; 69 70 struct sh_def 71 { 72 struct sh_op op; 73 struct sh_reg reg; 74 struct sh_cdata cdata; 75 }; 76 77 struct sh_defb 78 { 79 struct sh_op op; 80 struct sh_reg reg; 81 uint data; 82 }; 83 84 struct sh_idata 85 { 86 int xyzw[4]; 87 }; 88 89 struct 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 100 101 struct sh_sampleinfo 102 { 103 unsigned unused:27; 104 unsigned texture_type:4; 105 unsigned is_reg:1; 106 }; 107 108 struct 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 127 128 struct 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 }; 140 141 static inline unsigned 142 sh_dstreg_type( struct sh_dstreg reg ) 143 { 144 return reg.type_lo | (reg.type_hi << 3); 145 } 146 147 struct 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 }; 156 157 struct 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 }; 171 172 static inline unsigned 173 sh_srcreg_type( struct sh_srcreg reg ) 174 { 175 return reg.type_lo | (reg.type_hi << 3); 176 } 177 178 struct sh_dstop 179 { 180 struct sh_op op; 181 struct sh_dstreg dst; 182 }; 183 184 struct sh_srcop 185 { 186 struct sh_op op; 187 struct sh_srcreg src; 188 }; 189 190 struct sh_src2op 191 { 192 struct sh_op op; 193 struct sh_srcreg src0; 194 struct sh_srcreg src1; 195 }; 196 197 struct sh_unaryop 198 { 199 struct sh_op op; 200 struct sh_dstreg dst; 201 struct sh_srcreg src; 202 }; 203 204 struct sh_binaryop 205 { 206 struct sh_op op; 207 struct sh_dstreg dst; 208 struct sh_srcreg src0; 209 struct sh_srcreg src1; 210 }; 211 212 struct 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 }; 220 221 struct sh_comment 222 { 223 unsigned opcode:16; 224 unsigned size:16; 225 }; 226 227 #endif /* ST_SHADER_SVGA_H */ 228
