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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 5564 | serge | 1 | /* |
| 2 | * Copyright 2009 Nicolai Hähnle |
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| 3 | * |
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| 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 5 | * copy of this software and associated documentation files (the "Software"), |
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| 6 | * to deal in the Software without restriction, including without limitation |
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| 7 | * on the rights to use, copy, modify, merge, publish, distribute, sub |
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| 8 | * license, and/or sell copies of the Software, and to permit persons to whom |
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| 9 | * the Software is furnished to do so, subject to the following conditions: |
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| 10 | * |
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| 11 | * The above copyright notice and this permission notice (including the next |
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| 12 | * paragraph) shall be included in all copies or substantial portions of the |
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| 13 | * Software. |
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| 14 | * |
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| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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| 16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
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| 18 | * THE COPYRIGHT HOLDER(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, |
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| 19 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
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| 20 | * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
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| 21 | * USE OR OTHER DEALINGS IN THE SOFTWARE. */ |
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| 22 | |||
| 23 | #include |
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| 24 | #include "r300_tgsi_to_rc.h" |
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| 25 | |||
| 26 | #include "compiler/radeon_compiler.h" |
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| 27 | |||
| 28 | #include "tgsi/tgsi_info.h" |
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| 29 | #include "tgsi/tgsi_parse.h" |
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| 30 | #include "tgsi/tgsi_scan.h" |
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| 31 | #include "tgsi/tgsi_util.h" |
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| 32 | |||
| 33 | static unsigned translate_opcode(unsigned opcode) |
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| 34 | { |
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| 35 | switch(opcode) { |
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| 36 | case TGSI_OPCODE_ARL: return RC_OPCODE_ARL; |
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| 37 | case TGSI_OPCODE_MOV: return RC_OPCODE_MOV; |
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| 38 | case TGSI_OPCODE_LIT: return RC_OPCODE_LIT; |
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| 39 | case TGSI_OPCODE_RCP: return RC_OPCODE_RCP; |
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| 40 | case TGSI_OPCODE_RSQ: return RC_OPCODE_RSQ; |
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| 41 | case TGSI_OPCODE_EXP: return RC_OPCODE_EXP; |
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| 42 | case TGSI_OPCODE_LOG: return RC_OPCODE_LOG; |
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| 43 | case TGSI_OPCODE_MUL: return RC_OPCODE_MUL; |
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| 44 | case TGSI_OPCODE_ADD: return RC_OPCODE_ADD; |
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| 45 | case TGSI_OPCODE_DP3: return RC_OPCODE_DP3; |
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| 46 | case TGSI_OPCODE_DP4: return RC_OPCODE_DP4; |
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| 47 | case TGSI_OPCODE_DST: return RC_OPCODE_DST; |
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| 48 | case TGSI_OPCODE_MIN: return RC_OPCODE_MIN; |
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| 49 | case TGSI_OPCODE_MAX: return RC_OPCODE_MAX; |
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| 50 | case TGSI_OPCODE_SLT: return RC_OPCODE_SLT; |
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| 51 | case TGSI_OPCODE_SGE: return RC_OPCODE_SGE; |
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| 52 | case TGSI_OPCODE_MAD: return RC_OPCODE_MAD; |
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| 53 | case TGSI_OPCODE_SUB: return RC_OPCODE_SUB; |
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| 54 | case TGSI_OPCODE_LRP: return RC_OPCODE_LRP; |
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| 55 | /* case TGSI_OPCODE_DP2A: return RC_OPCODE_DP2A; */ |
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| 56 | case TGSI_OPCODE_FRC: return RC_OPCODE_FRC; |
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| 57 | case TGSI_OPCODE_CLAMP: return RC_OPCODE_CLAMP; |
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| 58 | case TGSI_OPCODE_FLR: return RC_OPCODE_FLR; |
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| 59 | case TGSI_OPCODE_ROUND: return RC_OPCODE_ROUND; |
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| 60 | case TGSI_OPCODE_EX2: return RC_OPCODE_EX2; |
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| 61 | case TGSI_OPCODE_LG2: return RC_OPCODE_LG2; |
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| 62 | case TGSI_OPCODE_POW: return RC_OPCODE_POW; |
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| 63 | case TGSI_OPCODE_XPD: return RC_OPCODE_XPD; |
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| 64 | case TGSI_OPCODE_ABS: return RC_OPCODE_ABS; |
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| 65 | case TGSI_OPCODE_DPH: return RC_OPCODE_DPH; |
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| 66 | case TGSI_OPCODE_COS: return RC_OPCODE_COS; |
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| 67 | case TGSI_OPCODE_DDX: return RC_OPCODE_DDX; |
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| 68 | case TGSI_OPCODE_DDY: return RC_OPCODE_DDY; |
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| 69 | case TGSI_OPCODE_KILL: return RC_OPCODE_KILP; |
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| 70 | /* case TGSI_OPCODE_PK2H: return RC_OPCODE_PK2H; */ |
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| 71 | /* case TGSI_OPCODE_PK2US: return RC_OPCODE_PK2US; */ |
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| 72 | /* case TGSI_OPCODE_PK4B: return RC_OPCODE_PK4B; */ |
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| 73 | /* case TGSI_OPCODE_PK4UB: return RC_OPCODE_PK4UB; */ |
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| 74 | case TGSI_OPCODE_SEQ: return RC_OPCODE_SEQ; |
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| 75 | case TGSI_OPCODE_SGT: return RC_OPCODE_SGT; |
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| 76 | case TGSI_OPCODE_SIN: return RC_OPCODE_SIN; |
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| 77 | case TGSI_OPCODE_SLE: return RC_OPCODE_SLE; |
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| 78 | case TGSI_OPCODE_SNE: return RC_OPCODE_SNE; |
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| 79 | case TGSI_OPCODE_TEX: return RC_OPCODE_TEX; |
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| 80 | case TGSI_OPCODE_TXD: return RC_OPCODE_TXD; |
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| 81 | case TGSI_OPCODE_TXP: return RC_OPCODE_TXP; |
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| 82 | /* case TGSI_OPCODE_UP2H: return RC_OPCODE_UP2H; */ |
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| 83 | /* case TGSI_OPCODE_UP2US: return RC_OPCODE_UP2US; */ |
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| 84 | /* case TGSI_OPCODE_UP4B: return RC_OPCODE_UP4B; */ |
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| 85 | /* case TGSI_OPCODE_UP4UB: return RC_OPCODE_UP4UB; */ |
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| 86 | case TGSI_OPCODE_ARR: return RC_OPCODE_ARR; |
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| 87 | /* case TGSI_OPCODE_CAL: return RC_OPCODE_CAL; */ |
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| 88 | /* case TGSI_OPCODE_RET: return RC_OPCODE_RET; */ |
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| 89 | case TGSI_OPCODE_SSG: return RC_OPCODE_SSG; |
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| 90 | case TGSI_OPCODE_CMP: return RC_OPCODE_CMP; |
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| 91 | case TGSI_OPCODE_SCS: return RC_OPCODE_SCS; |
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| 92 | case TGSI_OPCODE_TXB: return RC_OPCODE_TXB; |
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| 93 | /* case TGSI_OPCODE_DIV: return RC_OPCODE_DIV; */ |
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| 94 | case TGSI_OPCODE_DP2: return RC_OPCODE_DP2; |
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| 95 | case TGSI_OPCODE_TXL: return RC_OPCODE_TXL; |
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| 96 | case TGSI_OPCODE_BRK: return RC_OPCODE_BRK; |
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| 97 | case TGSI_OPCODE_IF: return RC_OPCODE_IF; |
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| 98 | case TGSI_OPCODE_BGNLOOP: return RC_OPCODE_BGNLOOP; |
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| 99 | case TGSI_OPCODE_ELSE: return RC_OPCODE_ELSE; |
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| 100 | case TGSI_OPCODE_ENDIF: return RC_OPCODE_ENDIF; |
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| 101 | case TGSI_OPCODE_ENDLOOP: return RC_OPCODE_ENDLOOP; |
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| 102 | /* case TGSI_OPCODE_PUSHA: return RC_OPCODE_PUSHA; */ |
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| 103 | /* case TGSI_OPCODE_POPA: return RC_OPCODE_POPA; */ |
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| 104 | case TGSI_OPCODE_CEIL: return RC_OPCODE_CEIL; |
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| 105 | /* case TGSI_OPCODE_I2F: return RC_OPCODE_I2F; */ |
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| 106 | /* case TGSI_OPCODE_NOT: return RC_OPCODE_NOT; */ |
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| 107 | case TGSI_OPCODE_TRUNC: return RC_OPCODE_TRUNC; |
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| 108 | /* case TGSI_OPCODE_SHL: return RC_OPCODE_SHL; */ |
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| 109 | /* case TGSI_OPCODE_ISHR: return RC_OPCODE_SHR; */ |
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| 110 | /* case TGSI_OPCODE_AND: return RC_OPCODE_AND; */ |
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| 111 | /* case TGSI_OPCODE_OR: return RC_OPCODE_OR; */ |
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| 112 | /* case TGSI_OPCODE_MOD: return RC_OPCODE_MOD; */ |
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| 113 | /* case TGSI_OPCODE_XOR: return RC_OPCODE_XOR; */ |
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| 114 | /* case TGSI_OPCODE_SAD: return RC_OPCODE_SAD; */ |
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| 115 | /* case TGSI_OPCODE_TXF: return RC_OPCODE_TXF; */ |
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| 116 | /* case TGSI_OPCODE_TXQ: return RC_OPCODE_TXQ; */ |
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| 117 | case TGSI_OPCODE_CONT: return RC_OPCODE_CONT; |
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| 118 | /* case TGSI_OPCODE_EMIT: return RC_OPCODE_EMIT; */ |
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| 119 | /* case TGSI_OPCODE_ENDPRIM: return RC_OPCODE_ENDPRIM; */ |
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| 120 | /* case TGSI_OPCODE_BGNLOOP2: return RC_OPCODE_BGNLOOP2; */ |
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| 121 | /* case TGSI_OPCODE_BGNSUB: return RC_OPCODE_BGNSUB; */ |
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| 122 | /* case TGSI_OPCODE_ENDLOOP2: return RC_OPCODE_ENDLOOP2; */ |
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| 123 | /* case TGSI_OPCODE_ENDSUB: return RC_OPCODE_ENDSUB; */ |
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| 124 | case TGSI_OPCODE_NOP: return RC_OPCODE_NOP; |
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| 125 | /* case TGSI_OPCODE_CALLNZ: return RC_OPCODE_CALLNZ; */ |
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| 126 | /* case TGSI_OPCODE_BREAKC: return RC_OPCODE_BREAKC; */ |
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| 127 | case TGSI_OPCODE_KILL_IF: return RC_OPCODE_KIL; |
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| 128 | } |
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| 129 | |||
| 130 | fprintf(stderr, "r300: Unknown TGSI/RC opcode: %s\n", tgsi_get_opcode_name(opcode)); |
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| 131 | return RC_OPCODE_ILLEGAL_OPCODE; |
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| 132 | } |
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| 133 | |||
| 134 | static unsigned translate_saturate(unsigned saturate) |
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| 135 | { |
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| 136 | switch(saturate) { |
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| 137 | default: |
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| 138 | fprintf(stderr, "Unknown saturate mode: %i\n", saturate); |
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| 139 | /* fall-through */ |
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| 140 | case TGSI_SAT_NONE: return RC_SATURATE_NONE; |
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| 141 | case TGSI_SAT_ZERO_ONE: return RC_SATURATE_ZERO_ONE; |
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| 142 | } |
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| 143 | } |
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| 144 | |||
| 145 | static unsigned translate_register_file(unsigned file) |
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| 146 | { |
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| 147 | switch(file) { |
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| 148 | case TGSI_FILE_CONSTANT: return RC_FILE_CONSTANT; |
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| 149 | case TGSI_FILE_IMMEDIATE: return RC_FILE_CONSTANT; |
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| 150 | case TGSI_FILE_INPUT: return RC_FILE_INPUT; |
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| 151 | case TGSI_FILE_OUTPUT: return RC_FILE_OUTPUT; |
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| 152 | default: |
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| 153 | fprintf(stderr, "Unhandled register file: %i\n", file); |
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| 154 | /* fall-through */ |
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| 155 | case TGSI_FILE_TEMPORARY: return RC_FILE_TEMPORARY; |
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| 156 | case TGSI_FILE_ADDRESS: return RC_FILE_ADDRESS; |
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| 157 | } |
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| 158 | } |
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| 159 | |||
| 160 | static int translate_register_index( |
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| 161 | struct tgsi_to_rc * ttr, |
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| 162 | unsigned file, |
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| 163 | int index) |
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| 164 | { |
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| 165 | if (file == TGSI_FILE_IMMEDIATE) |
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| 166 | return ttr->immediate_offset + index; |
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| 167 | |||
| 168 | return index; |
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| 169 | } |
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| 170 | |||
| 171 | static void transform_dstreg( |
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| 172 | struct tgsi_to_rc * ttr, |
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| 173 | struct rc_dst_register * dst, |
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| 174 | struct tgsi_full_dst_register * src) |
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| 175 | { |
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| 176 | dst->File = translate_register_file(src->Register.File); |
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| 177 | dst->Index = translate_register_index(ttr, src->Register.File, src->Register.Index); |
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| 178 | dst->WriteMask = src->Register.WriteMask; |
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| 179 | |||
| 180 | if (src->Register.Indirect) { |
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| 181 | ttr->error = TRUE; |
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| 182 | fprintf(stderr, "r300: Relative addressing of destination operands " |
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| 183 | "is unsupported.\n"); |
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| 184 | } |
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| 185 | } |
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| 186 | |||
| 187 | static void transform_srcreg( |
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| 188 | struct tgsi_to_rc * ttr, |
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| 189 | struct rc_src_register * dst, |
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| 190 | struct tgsi_full_src_register * src) |
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| 191 | { |
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| 192 | unsigned i, j; |
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| 193 | |||
| 194 | dst->File = translate_register_file(src->Register.File); |
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| 195 | dst->Index = translate_register_index(ttr, src->Register.File, src->Register.Index); |
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| 196 | dst->RelAddr = src->Register.Indirect; |
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| 197 | dst->Swizzle = tgsi_util_get_full_src_register_swizzle(src, 0); |
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| 198 | dst->Swizzle |= tgsi_util_get_full_src_register_swizzle(src, 1) << 3; |
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| 199 | dst->Swizzle |= tgsi_util_get_full_src_register_swizzle(src, 2) << 6; |
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| 200 | dst->Swizzle |= tgsi_util_get_full_src_register_swizzle(src, 3) << 9; |
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| 201 | dst->Abs = src->Register.Absolute; |
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| 202 | dst->Negate = src->Register.Negate ? RC_MASK_XYZW : 0; |
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| 203 | |||
| 204 | if (src->Register.File == TGSI_FILE_IMMEDIATE) { |
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| 205 | for (i = 0; i < ttr->imms_to_swizzle_count; i++) { |
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| 206 | if (ttr->imms_to_swizzle[i].index == src->Register.Index) { |
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| 207 | dst->File = RC_FILE_TEMPORARY; |
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| 208 | dst->Index = 0; |
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| 209 | dst->Swizzle = 0; |
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| 210 | for (j = 0; j < 4; j++) { |
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| 211 | dst->Swizzle |= GET_SWZ(ttr->imms_to_swizzle[i].swizzle, |
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| 212 | tgsi_util_get_full_src_register_swizzle(src, j)) << (j * 3); |
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| 213 | } |
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| 214 | break; |
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| 215 | } |
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| 216 | } |
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| 217 | } |
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| 218 | } |
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| 219 | |||
| 220 | static void transform_texture(struct rc_instruction * dst, struct tgsi_instruction_texture src, |
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| 221 | uint32_t *shadowSamplers) |
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| 222 | { |
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| 223 | switch(src.Texture) { |
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| 224 | case TGSI_TEXTURE_1D: |
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| 225 | dst->U.I.TexSrcTarget = RC_TEXTURE_1D; |
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| 226 | break; |
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| 227 | case TGSI_TEXTURE_2D: |
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| 228 | dst->U.I.TexSrcTarget = RC_TEXTURE_2D; |
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| 229 | break; |
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| 230 | case TGSI_TEXTURE_3D: |
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| 231 | dst->U.I.TexSrcTarget = RC_TEXTURE_3D; |
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| 232 | break; |
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| 233 | case TGSI_TEXTURE_CUBE: |
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| 234 | dst->U.I.TexSrcTarget = RC_TEXTURE_CUBE; |
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| 235 | break; |
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| 236 | case TGSI_TEXTURE_RECT: |
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| 237 | dst->U.I.TexSrcTarget = RC_TEXTURE_RECT; |
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| 238 | break; |
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| 239 | case TGSI_TEXTURE_SHADOW1D: |
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| 240 | dst->U.I.TexSrcTarget = RC_TEXTURE_1D; |
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| 241 | dst->U.I.TexShadow = 1; |
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| 242 | *shadowSamplers |= 1 << dst->U.I.TexSrcUnit; |
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| 243 | break; |
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| 244 | case TGSI_TEXTURE_SHADOW2D: |
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| 245 | dst->U.I.TexSrcTarget = RC_TEXTURE_2D; |
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| 246 | dst->U.I.TexShadow = 1; |
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| 247 | *shadowSamplers |= 1 << dst->U.I.TexSrcUnit; |
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| 248 | break; |
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| 249 | case TGSI_TEXTURE_SHADOWRECT: |
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| 250 | dst->U.I.TexSrcTarget = RC_TEXTURE_RECT; |
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| 251 | dst->U.I.TexShadow = 1; |
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| 252 | *shadowSamplers |= 1 << dst->U.I.TexSrcUnit; |
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| 253 | break; |
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| 254 | } |
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| 255 | dst->U.I.TexSwizzle = RC_SWIZZLE_XYZW; |
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| 256 | } |
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| 257 | |||
| 258 | static void transform_instruction(struct tgsi_to_rc * ttr, struct tgsi_full_instruction * src) |
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| 259 | { |
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| 260 | struct rc_instruction * dst; |
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| 261 | int i; |
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| 262 | |||
| 263 | dst = rc_insert_new_instruction(ttr->compiler, ttr->compiler->Program.Instructions.Prev); |
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| 264 | dst->U.I.Opcode = translate_opcode(src->Instruction.Opcode); |
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| 265 | dst->U.I.SaturateMode = translate_saturate(src->Instruction.Saturate); |
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| 266 | |||
| 267 | if (src->Instruction.NumDstRegs) |
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| 268 | transform_dstreg(ttr, &dst->U.I.DstReg, &src->Dst[0]); |
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| 269 | |||
| 270 | for(i = 0; i < src->Instruction.NumSrcRegs; ++i) { |
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| 271 | if (src->Src[i].Register.File == TGSI_FILE_SAMPLER) |
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| 272 | dst->U.I.TexSrcUnit = src->Src[i].Register.Index; |
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| 273 | else |
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| 274 | transform_srcreg(ttr, &dst->U.I.SrcReg[i], &src->Src[i]); |
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| 275 | } |
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| 276 | |||
| 277 | /* Texturing. */ |
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| 278 | if (src->Instruction.Texture) |
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| 279 | transform_texture(dst, src->Texture, |
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| 280 | &ttr->compiler->Program.ShadowSamplers); |
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| 281 | } |
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| 282 | |||
| 283 | static void handle_immediate(struct tgsi_to_rc * ttr, |
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| 284 | struct tgsi_full_immediate * imm, |
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| 285 | unsigned index) |
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| 286 | { |
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| 287 | struct rc_constant constant; |
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| 288 | unsigned swizzle = 0; |
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| 289 | boolean can_swizzle = TRUE; |
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| 290 | unsigned i; |
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| 291 | |||
| 292 | for (i = 0; i < 4; i++) { |
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| 293 | if (imm->u[i].Float == 0.0f) { |
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| 294 | swizzle |= RC_SWIZZLE_ZERO << (i * 3); |
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| 295 | } else if (imm->u[i].Float == 0.5f && ttr->use_half_swizzles) { |
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| 296 | swizzle |= RC_SWIZZLE_HALF << (i * 3); |
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| 297 | } else if (imm->u[i].Float == 1.0f) { |
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| 298 | swizzle |= RC_SWIZZLE_ONE << (i * 3); |
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| 299 | } else { |
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| 300 | can_swizzle = FALSE; |
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| 301 | break; |
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| 302 | } |
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| 303 | } |
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| 304 | |||
| 305 | if (can_swizzle) { |
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| 306 | ttr->imms_to_swizzle[ttr->imms_to_swizzle_count].index = index; |
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| 307 | ttr->imms_to_swizzle[ttr->imms_to_swizzle_count].swizzle = swizzle; |
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| 308 | ttr->imms_to_swizzle_count++; |
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| 309 | } else { |
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| 310 | constant.Type = RC_CONSTANT_IMMEDIATE; |
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| 311 | constant.Size = 4; |
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| 312 | for(i = 0; i < 4; ++i) |
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| 313 | constant.u.Immediate[i] = imm->u[i].Float; |
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| 314 | rc_constants_add(&ttr->compiler->Program.Constants, &constant); |
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| 315 | } |
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| 316 | } |
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| 317 | |||
| 318 | void r300_tgsi_to_rc(struct tgsi_to_rc * ttr, |
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| 319 | const struct tgsi_token * tokens) |
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| 320 | { |
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| 321 | struct tgsi_full_instruction *inst; |
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| 322 | struct tgsi_parse_context parser; |
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| 323 | unsigned imm_index = 0; |
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| 324 | int i; |
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| 325 | |||
| 326 | ttr->error = FALSE; |
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| 327 | |||
| 328 | /* Allocate constants placeholders. |
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| 329 | * |
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| 330 | * Note: What if declared constants are not contiguous? */ |
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| 331 | for(i = 0; i <= ttr->info->file_max[TGSI_FILE_CONSTANT]; ++i) { |
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| 332 | struct rc_constant constant; |
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| 333 | memset(&constant, 0, sizeof(constant)); |
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| 334 | constant.Type = RC_CONSTANT_EXTERNAL; |
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| 335 | constant.Size = 4; |
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| 336 | constant.u.External = i; |
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| 337 | rc_constants_add(&ttr->compiler->Program.Constants, &constant); |
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| 338 | } |
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| 339 | |||
| 340 | ttr->immediate_offset = ttr->compiler->Program.Constants.Count; |
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| 341 | |||
| 342 | ttr->imms_to_swizzle = malloc(ttr->info->immediate_count * sizeof(struct swizzled_imms)); |
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| 343 | ttr->imms_to_swizzle_count = 0; |
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| 344 | |||
| 345 | tgsi_parse_init(&parser, tokens); |
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| 346 | |||
| 347 | while (!tgsi_parse_end_of_tokens(&parser)) { |
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| 348 | tgsi_parse_token(&parser); |
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| 349 | |||
| 350 | switch (parser.FullToken.Token.Type) { |
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| 351 | case TGSI_TOKEN_TYPE_DECLARATION: |
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| 352 | break; |
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| 353 | case TGSI_TOKEN_TYPE_IMMEDIATE: |
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| 354 | handle_immediate(ttr, &parser.FullToken.FullImmediate, imm_index); |
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| 355 | imm_index++; |
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| 356 | break; |
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| 357 | case TGSI_TOKEN_TYPE_INSTRUCTION: |
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| 358 | inst = &parser.FullToken.FullInstruction; |
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| 359 | if (inst->Instruction.Opcode == TGSI_OPCODE_END) { |
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| 360 | break; |
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| 361 | } |
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| 362 | |||
| 363 | transform_instruction(ttr, inst); |
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| 364 | break; |
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| 365 | } |
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| 366 | } |
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| 367 | |||
| 368 | tgsi_parse_free(&parser); |
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| 369 | |||
| 370 | free(ttr->imms_to_swizzle); |
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| 371 | |||
| 372 | rc_calculate_inputs_outputs(ttr->compiler); |
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| 373 | } |