1 /* 2 * Copyright (C) 2009 Nicolai Haehnle. 3 * 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining 7 * a copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sublicense, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial 16 * 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 NONINFRINGEMENT. 21 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE 22 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 23 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 24 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 */ 27 28 #ifndef RADEON_PROGRAM_CONSTANTS_H 29 #define RADEON_PROGRAM_CONSTANTS_H 30 31 typedef enum { 32 RC_SATURATE_NONE = 0, 33 RC_SATURATE_ZERO_ONE, 34 RC_SATURATE_MINUS_PLUS_ONE 35 } rc_saturate_mode; 36 37 typedef enum { 38 RC_TEXTURE_2D_ARRAY, 39 RC_TEXTURE_1D_ARRAY, 40 RC_TEXTURE_CUBE, 41 RC_TEXTURE_3D, 42 RC_TEXTURE_RECT, 43 RC_TEXTURE_2D, 44 RC_TEXTURE_1D 45 } rc_texture_target; 46 47 typedef enum { 48 /** 49 * Used to indicate unused register descriptions and 50 * source register that use a constant swizzle. 51 */ 52 RC_FILE_NONE = 0, 53 RC_FILE_TEMPORARY, 54 55 /** 56 * Input register. 57 * 58 * \note The compiler attaches no implicit semantics to input registers. 59 * Fragment/vertex program specific semantics must be defined explicitly 60 * using the appropriate compiler interfaces. 61 */ 62 RC_FILE_INPUT, 63 64 /** 65 * Output register. 66 * 67 * \note The compiler attaches no implicit semantics to input registers. 68 * Fragment/vertex program specific semantics must be defined explicitly 69 * using the appropriate compiler interfaces. 70 */ 71 RC_FILE_OUTPUT, 72 RC_FILE_ADDRESS, 73 74 /** 75 * Indicates a constant from the \ref rc_constant_list . 76 */ 77 RC_FILE_CONSTANT, 78 79 /** 80 * Indicates a special register, see RC_SPECIAL_xxx. 81 */ 82 RC_FILE_SPECIAL, 83 84 /** 85 * Indicates this register should use the result of the presubtract 86 * operation. 87 */ 88 RC_FILE_PRESUB, 89 90 /** 91 * Indicates that the source index has been encoded as a 7-bit float. 92 */ 93 RC_FILE_INLINE 94 } rc_register_file; 95 96 enum { 97 /** R500 fragment program ALU result "register" */ 98 RC_SPECIAL_ALU_RESULT = 0, 99 100 /** Must be last */ 101 RC_NUM_SPECIAL_REGISTERS 102 }; 103 104 #define RC_REGISTER_INDEX_BITS 10 105 #define RC_REGISTER_MAX_INDEX (1 << RC_REGISTER_INDEX_BITS) 106 107 typedef enum { 108 RC_SWIZZLE_X = 0, 109 RC_SWIZZLE_Y, 110 RC_SWIZZLE_Z, 111 RC_SWIZZLE_W, 112 RC_SWIZZLE_ZERO, 113 RC_SWIZZLE_ONE, 114 RC_SWIZZLE_HALF, 115 RC_SWIZZLE_UNUSED 116 } rc_swizzle; 117 118 #define RC_MAKE_SWIZZLE(a,b,c,d) (((a)<<0) | ((b)<<3) | ((c)<<6) | ((d)<<9)) 119 #define RC_MAKE_SWIZZLE_SMEAR(a) RC_MAKE_SWIZZLE((a),(a),(a),(a)) 120 #define GET_SWZ(swz, idx) (((swz) >> ((idx)*3)) & 0x7) 121 #define GET_BIT(msk, idx) (((msk) >> (idx)) & 0x1) 122 #define SET_SWZ(swz, idx, newv) \ 123 do { \ 124 (swz) = ((swz) & ~(7 << ((idx)*3))) | ((newv) << ((idx)*3)); \ 125 } while(0) 126 127 #define RC_SWIZZLE_XYZW RC_MAKE_SWIZZLE(RC_SWIZZLE_X, RC_SWIZZLE_Y, RC_SWIZZLE_Z, RC_SWIZZLE_W) 128 #define RC_SWIZZLE_XYZ0 RC_MAKE_SWIZZLE(RC_SWIZZLE_X, RC_SWIZZLE_Y, RC_SWIZZLE_Z, RC_SWIZZLE_ZERO) 129 #define RC_SWIZZLE_XYZ1 RC_MAKE_SWIZZLE(RC_SWIZZLE_X, RC_SWIZZLE_Y, RC_SWIZZLE_Z, RC_SWIZZLE_ONE) 130 #define RC_SWIZZLE_XYZZ RC_MAKE_SWIZZLE(RC_SWIZZLE_X, RC_SWIZZLE_Y, RC_SWIZZLE_Z, RC_SWIZZLE_Z) 131 #define RC_SWIZZLE_XXXX RC_MAKE_SWIZZLE_SMEAR(RC_SWIZZLE_X) 132 #define RC_SWIZZLE_YYYY RC_MAKE_SWIZZLE_SMEAR(RC_SWIZZLE_Y) 133 #define RC_SWIZZLE_ZZZZ RC_MAKE_SWIZZLE_SMEAR(RC_SWIZZLE_Z) 134 #define RC_SWIZZLE_WWWW RC_MAKE_SWIZZLE_SMEAR(RC_SWIZZLE_W) 135 #define RC_SWIZZLE_0000 RC_MAKE_SWIZZLE_SMEAR(RC_SWIZZLE_ZERO) 136 #define RC_SWIZZLE_1111 RC_MAKE_SWIZZLE_SMEAR(RC_SWIZZLE_ONE) 137 #define RC_SWIZZLE_HHHH RC_MAKE_SWIZZLE_SMEAR(RC_SWIZZLE_HALF) 138 #define RC_SWIZZLE_UUUU RC_MAKE_SWIZZLE_SMEAR(RC_SWIZZLE_UNUSED) 139 140 /** 141 * \name Bitmasks for components of vectors. 142 * 143 * Used for write masks, negation masks, etc. 144 */ 145 /*@{*/ 146 #define RC_MASK_NONE 0 147 #define RC_MASK_X 1 148 #define RC_MASK_Y 2 149 #define RC_MASK_Z 4 150 #define RC_MASK_W 8 151 #define RC_MASK_XY (RC_MASK_X|RC_MASK_Y) 152 #define RC_MASK_XYZ (RC_MASK_X|RC_MASK_Y|RC_MASK_Z) 153 #define RC_MASK_XYW (RC_MASK_X|RC_MASK_Y|RC_MASK_W) 154 #define RC_MASK_XYZW (RC_MASK_X|RC_MASK_Y|RC_MASK_Z|RC_MASK_W) 155 /*@}*/ 156 157 typedef enum { 158 RC_ALURESULT_NONE = 0, 159 RC_ALURESULT_X, 160 RC_ALURESULT_W 161 } rc_write_aluresult; 162 163 typedef enum { 164 RC_PRESUB_NONE = 0, 165 166 /** 1 - 2 * src0 */ 167 RC_PRESUB_BIAS, 168 169 /** src1 - src0 */ 170 RC_PRESUB_SUB, 171 172 /** src1 + src0 */ 173 RC_PRESUB_ADD, 174 175 /** 1 - src0 */ 176 RC_PRESUB_INV 177 } rc_presubtract_op; 178 179 typedef enum { 180 RC_OMOD_MUL_1, 181 RC_OMOD_MUL_2, 182 RC_OMOD_MUL_4, 183 RC_OMOD_MUL_8, 184 RC_OMOD_DIV_2, 185 RC_OMOD_DIV_4, 186 RC_OMOD_DIV_8, 187 RC_OMOD_DISABLE 188 } rc_omod_op; 189 190 static inline int rc_presubtract_src_reg_count(rc_presubtract_op op){ 191 switch(op){ 192 case RC_PRESUB_BIAS: 193 case RC_PRESUB_INV: 194 return 1; 195 case RC_PRESUB_ADD: 196 case RC_PRESUB_SUB: 197 return 2; 198 default: 199 return 0; 200 } 201 } 202 203 #define RC_SOURCE_NONE 0x0 204 #define RC_SOURCE_RGB 0x1 205 #define RC_SOURCE_ALPHA 0x2 206 207 typedef enum { 208 RC_PRED_DISABLED, 209 RC_PRED_SET, 210 RC_PRED_INV 211 } rc_predicate_mode; 212 213 #endif /* RADEON_PROGRAM_CONSTANTS_H */ 214