2 * Copyright 2009 Nicolai Hähnle <nhaehnle@gmail.com>
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE COPYRIGHT HOLDER(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE. */
23 #include "r300_tgsi_to_rc.h"
25 #include "radeon_compiler.h"
26 #include "radeon_program.h"
28 #include "tgsi/tgsi_parse.h"
29 #include "tgsi/tgsi_scan.h"
30 #include "tgsi/tgsi_util.h"
33 static unsigned translate_opcode(unsigned opcode
)
36 case TGSI_OPCODE_ARL
: return RC_OPCODE_ARL
;
37 case TGSI_OPCODE_MOV
: return RC_OPCODE_MOV
;
38 case TGSI_OPCODE_LIT
: return RC_OPCODE_LIT
;
39 case TGSI_OPCODE_RCP
: return RC_OPCODE_RCP
;
40 case TGSI_OPCODE_RSQ
: return RC_OPCODE_RSQ
;
41 case TGSI_OPCODE_EXP
: return RC_OPCODE_EXP
;
42 case TGSI_OPCODE_LOG
: return RC_OPCODE_LOG
;
43 case TGSI_OPCODE_MUL
: return RC_OPCODE_MUL
;
44 case TGSI_OPCODE_ADD
: return RC_OPCODE_ADD
;
45 case TGSI_OPCODE_DP3
: return RC_OPCODE_DP3
;
46 case TGSI_OPCODE_DP4
: return RC_OPCODE_DP4
;
47 case TGSI_OPCODE_DST
: return RC_OPCODE_DST
;
48 case TGSI_OPCODE_MIN
: return RC_OPCODE_MIN
;
49 case TGSI_OPCODE_MAX
: return RC_OPCODE_MAX
;
50 case TGSI_OPCODE_SLT
: return RC_OPCODE_SLT
;
51 case TGSI_OPCODE_SGE
: return RC_OPCODE_SGE
;
52 case TGSI_OPCODE_MAD
: return RC_OPCODE_MAD
;
53 case TGSI_OPCODE_SUB
: return RC_OPCODE_SUB
;
54 case TGSI_OPCODE_LRP
: return RC_OPCODE_LRP
;
55 /* case TGSI_OPCODE_CND: return RC_OPCODE_CND; */
56 /* case TGSI_OPCODE_CND0: return RC_OPCODE_CND0; */
57 /* case TGSI_OPCODE_DP2A: return RC_OPCODE_DP2A; */
59 case TGSI_OPCODE_FRC
: return RC_OPCODE_FRC
;
60 /* case TGSI_OPCODE_CLAMP: return RC_OPCODE_CLAMP; */
61 case TGSI_OPCODE_FLR
: return RC_OPCODE_FLR
;
62 /* case TGSI_OPCODE_ROUND: return RC_OPCODE_ROUND; */
63 case TGSI_OPCODE_EX2
: return RC_OPCODE_EX2
;
64 case TGSI_OPCODE_LG2
: return RC_OPCODE_LG2
;
65 case TGSI_OPCODE_POW
: return RC_OPCODE_POW
;
66 case TGSI_OPCODE_XPD
: return RC_OPCODE_XPD
;
68 case TGSI_OPCODE_ABS
: return RC_OPCODE_ABS
;
69 /* case TGSI_OPCODE_RCC: return RC_OPCODE_RCC; */
70 case TGSI_OPCODE_DPH
: return RC_OPCODE_DPH
;
71 case TGSI_OPCODE_COS
: return RC_OPCODE_COS
;
72 case TGSI_OPCODE_DDX
: return RC_OPCODE_DDX
;
73 case TGSI_OPCODE_DDY
: return RC_OPCODE_DDY
;
74 /* case TGSI_OPCODE_KILP: return RC_OPCODE_KILP; */
75 /* case TGSI_OPCODE_PK2H: return RC_OPCODE_PK2H; */
76 /* case TGSI_OPCODE_PK2US: return RC_OPCODE_PK2US; */
77 /* case TGSI_OPCODE_PK4B: return RC_OPCODE_PK4B; */
78 /* case TGSI_OPCODE_PK4UB: return RC_OPCODE_PK4UB; */
79 /* case TGSI_OPCODE_RFL: return RC_OPCODE_RFL; */
80 case TGSI_OPCODE_SEQ
: return RC_OPCODE_SEQ
;
81 case TGSI_OPCODE_SFL
: return RC_OPCODE_SFL
;
82 case TGSI_OPCODE_SGT
: return RC_OPCODE_SGT
;
83 case TGSI_OPCODE_SIN
: return RC_OPCODE_SIN
;
84 case TGSI_OPCODE_SLE
: return RC_OPCODE_SLE
;
85 case TGSI_OPCODE_SNE
: return RC_OPCODE_SNE
;
86 /* case TGSI_OPCODE_STR: return RC_OPCODE_STR; */
87 case TGSI_OPCODE_TEX
: return RC_OPCODE_TEX
;
88 case TGSI_OPCODE_TXD
: return RC_OPCODE_TXD
;
89 case TGSI_OPCODE_TXP
: return RC_OPCODE_TXP
;
90 /* case TGSI_OPCODE_UP2H: return RC_OPCODE_UP2H; */
91 /* case TGSI_OPCODE_UP2US: return RC_OPCODE_UP2US; */
92 /* case TGSI_OPCODE_UP4B: return RC_OPCODE_UP4B; */
93 /* case TGSI_OPCODE_UP4UB: return RC_OPCODE_UP4UB; */
94 /* case TGSI_OPCODE_X2D: return RC_OPCODE_X2D; */
95 /* case TGSI_OPCODE_ARA: return RC_OPCODE_ARA; */
96 /* case TGSI_OPCODE_ARR: return RC_OPCODE_ARR; */
97 /* case TGSI_OPCODE_BRA: return RC_OPCODE_BRA; */
98 /* case TGSI_OPCODE_CAL: return RC_OPCODE_CAL; */
99 /* case TGSI_OPCODE_RET: return RC_OPCODE_RET; */
100 /* case TGSI_OPCODE_SSG: return RC_OPCODE_SSG; */
101 case TGSI_OPCODE_CMP
: return RC_OPCODE_CMP
;
102 case TGSI_OPCODE_SCS
: return RC_OPCODE_SCS
;
103 case TGSI_OPCODE_TXB
: return RC_OPCODE_TXB
;
104 /* case TGSI_OPCODE_NRM: return RC_OPCODE_NRM; */
105 /* case TGSI_OPCODE_DIV: return RC_OPCODE_DIV; */
106 /* case TGSI_OPCODE_DP2: return RC_OPCODE_DP2; */
107 case TGSI_OPCODE_TXL
: return RC_OPCODE_TXL
;
108 /* case TGSI_OPCODE_BRK: return RC_OPCODE_BRK; */
109 case TGSI_OPCODE_IF
: return RC_OPCODE_IF
;
110 /* case TGSI_OPCODE_LOOP: return RC_OPCODE_LOOP; */
111 /* case TGSI_OPCODE_REP: return RC_OPCODE_REP; */
112 case TGSI_OPCODE_ELSE
: return RC_OPCODE_ELSE
;
113 case TGSI_OPCODE_ENDIF
: return RC_OPCODE_ENDIF
;
114 /* case TGSI_OPCODE_ENDLOOP: return RC_OPCODE_ENDLOOP; */
115 /* case TGSI_OPCODE_ENDREP: return RC_OPCODE_ENDREP; */
116 /* case TGSI_OPCODE_PUSHA: return RC_OPCODE_PUSHA; */
117 /* case TGSI_OPCODE_POPA: return RC_OPCODE_POPA; */
118 /* case TGSI_OPCODE_CEIL: return RC_OPCODE_CEIL; */
119 /* case TGSI_OPCODE_I2F: return RC_OPCODE_I2F; */
120 /* case TGSI_OPCODE_NOT: return RC_OPCODE_NOT; */
121 /* case TGSI_OPCODE_TRUNC: return RC_OPCODE_TRUNC; */
122 /* case TGSI_OPCODE_SHL: return RC_OPCODE_SHL; */
123 /* case TGSI_OPCODE_SHR: return RC_OPCODE_SHR; */
124 /* case TGSI_OPCODE_AND: return RC_OPCODE_AND; */
125 /* case TGSI_OPCODE_OR: return RC_OPCODE_OR; */
126 /* case TGSI_OPCODE_MOD: return RC_OPCODE_MOD; */
127 /* case TGSI_OPCODE_XOR: return RC_OPCODE_XOR; */
128 /* case TGSI_OPCODE_SAD: return RC_OPCODE_SAD; */
129 /* case TGSI_OPCODE_TXF: return RC_OPCODE_TXF; */
130 /* case TGSI_OPCODE_TXQ: return RC_OPCODE_TXQ; */
131 /* case TGSI_OPCODE_CONT: return RC_OPCODE_CONT; */
132 /* case TGSI_OPCODE_EMIT: return RC_OPCODE_EMIT; */
133 /* case TGSI_OPCODE_ENDPRIM: return RC_OPCODE_ENDPRIM; */
134 /* case TGSI_OPCODE_BGNLOOP2: return RC_OPCODE_BGNLOOP2; */
135 /* case TGSI_OPCODE_BGNSUB: return RC_OPCODE_BGNSUB; */
136 /* case TGSI_OPCODE_ENDLOOP2: return RC_OPCODE_ENDLOOP2; */
137 /* case TGSI_OPCODE_ENDSUB: return RC_OPCODE_ENDSUB; */
138 /* case TGSI_OPCODE_NOISE1: return RC_OPCODE_NOISE1; */
139 /* case TGSI_OPCODE_NOISE2: return RC_OPCODE_NOISE2; */
140 /* case TGSI_OPCODE_NOISE3: return RC_OPCODE_NOISE3; */
141 /* case TGSI_OPCODE_NOISE4: return RC_OPCODE_NOISE4; */
142 case TGSI_OPCODE_NOP
: return RC_OPCODE_NOP
;
144 /* case TGSI_OPCODE_NRM4: return RC_OPCODE_NRM4; */
145 /* case TGSI_OPCODE_CALLNZ: return RC_OPCODE_CALLNZ; */
146 /* case TGSI_OPCODE_IFC: return RC_OPCODE_IFC; */
147 /* case TGSI_OPCODE_BREAKC: return RC_OPCODE_BREAKC; */
148 case TGSI_OPCODE_KIL
: return RC_OPCODE_KIL
;
149 case TGSI_OPCODE_SWZ
: return RC_OPCODE_SWZ
;
152 fprintf(stderr
, "Unknown opcode: %i\n", opcode
);
153 return RC_OPCODE_ILLEGAL_OPCODE
;
156 static unsigned translate_saturate(unsigned saturate
)
160 fprintf(stderr
, "Unknown saturate mode: %i\n", saturate
);
162 case TGSI_SAT_NONE
: return RC_SATURATE_NONE
;
163 case TGSI_SAT_ZERO_ONE
: return RC_SATURATE_ZERO_ONE
;
167 static unsigned translate_register_file(unsigned file
)
170 case TGSI_FILE_CONSTANT
: return RC_FILE_CONSTANT
;
171 case TGSI_FILE_IMMEDIATE
: return RC_FILE_CONSTANT
;
172 case TGSI_FILE_INPUT
: return RC_FILE_INPUT
;
173 case TGSI_FILE_OUTPUT
: return RC_FILE_OUTPUT
;
175 fprintf(stderr
, "Unhandled register file: %i\n", file
);
177 case TGSI_FILE_TEMPORARY
: return RC_FILE_TEMPORARY
;
178 case TGSI_FILE_ADDRESS
: return RC_FILE_ADDRESS
;
182 static int translate_register_index(
183 struct tgsi_to_rc
* ttr
,
187 if (file
== TGSI_FILE_IMMEDIATE
)
188 return ttr
->immediate_offset
+ index
;
193 static void transform_dstreg(
194 struct tgsi_to_rc
* ttr
,
195 struct rc_dst_register
* dst
,
196 struct tgsi_full_dst_register
* src
)
198 dst
->File
= translate_register_file(src
->DstRegister
.File
);
199 dst
->Index
= translate_register_index(ttr
, src
->DstRegister
.File
, src
->DstRegister
.Index
);
200 dst
->WriteMask
= src
->DstRegister
.WriteMask
;
201 dst
->RelAddr
= src
->DstRegister
.Indirect
;
204 static void transform_srcreg(
205 struct tgsi_to_rc
* ttr
,
206 struct rc_src_register
* dst
,
207 struct tgsi_full_src_register
* src
)
209 dst
->File
= translate_register_file(src
->SrcRegister
.File
);
210 dst
->Index
= translate_register_index(ttr
, src
->SrcRegister
.File
, src
->SrcRegister
.Index
);
211 dst
->RelAddr
= src
->SrcRegister
.Indirect
;
212 dst
->Swizzle
= tgsi_util_get_full_src_register_extswizzle(src
, 0);
213 dst
->Swizzle
|= tgsi_util_get_full_src_register_extswizzle(src
, 1) << 3;
214 dst
->Swizzle
|= tgsi_util_get_full_src_register_extswizzle(src
, 2) << 6;
215 dst
->Swizzle
|= tgsi_util_get_full_src_register_extswizzle(src
, 3) << 9;
216 dst
->Abs
= src
->SrcRegisterExtMod
.Absolute
;
218 src
->SrcRegisterExtSwz
.NegateX
|
219 (src
->SrcRegisterExtSwz
.NegateY
<< 1) |
220 (src
->SrcRegisterExtSwz
.NegateZ
<< 2) |
221 (src
->SrcRegisterExtSwz
.NegateW
<< 3);
222 dst
->Negate
^= src
->SrcRegister
.Negate
? RC_MASK_XYZW
: 0;
225 static void transform_texture(struct rc_instruction
* dst
, struct tgsi_instruction_ext_texture src
)
227 switch(src
.Texture
) {
228 case TGSI_TEXTURE_1D
:
229 dst
->U
.I
.TexSrcTarget
= RC_TEXTURE_1D
;
231 case TGSI_TEXTURE_2D
:
232 dst
->U
.I
.TexSrcTarget
= RC_TEXTURE_2D
;
234 case TGSI_TEXTURE_3D
:
235 dst
->U
.I
.TexSrcTarget
= RC_TEXTURE_3D
;
237 case TGSI_TEXTURE_CUBE
:
238 dst
->U
.I
.TexSrcTarget
= RC_TEXTURE_CUBE
;
240 case TGSI_TEXTURE_RECT
:
241 dst
->U
.I
.TexSrcTarget
= RC_TEXTURE_RECT
;
243 case TGSI_TEXTURE_SHADOW1D
:
244 dst
->U
.I
.TexSrcTarget
= RC_TEXTURE_1D
;
245 dst
->U
.I
.TexShadow
= 1;
247 case TGSI_TEXTURE_SHADOW2D
:
248 dst
->U
.I
.TexSrcTarget
= RC_TEXTURE_2D
;
249 dst
->U
.I
.TexShadow
= 1;
251 case TGSI_TEXTURE_SHADOWRECT
:
252 dst
->U
.I
.TexSrcTarget
= RC_TEXTURE_RECT
;
253 dst
->U
.I
.TexShadow
= 1;
258 static void transform_instruction(struct tgsi_to_rc
* ttr
, struct tgsi_full_instruction
* src
)
260 struct rc_instruction
* dst
;
263 if (src
->Instruction
.Opcode
== TGSI_OPCODE_END
)
266 dst
= rc_insert_new_instruction(ttr
->compiler
, ttr
->compiler
->Program
.Instructions
.Prev
);
267 dst
->U
.I
.Opcode
= translate_opcode(src
->Instruction
.Opcode
);
268 dst
->U
.I
.SaturateMode
= translate_saturate(src
->Instruction
.Saturate
);
270 if (src
->Instruction
.NumDstRegs
)
271 transform_dstreg(ttr
, &dst
->U
.I
.DstReg
, &src
->FullDstRegisters
[0]);
273 for(i
= 0; i
< src
->Instruction
.NumSrcRegs
; ++i
) {
274 if (src
->FullSrcRegisters
[i
].SrcRegister
.File
== TGSI_FILE_SAMPLER
)
275 dst
->U
.I
.TexSrcUnit
= src
->FullSrcRegisters
[i
].SrcRegister
.Index
;
277 transform_srcreg(ttr
, &dst
->U
.I
.SrcReg
[i
], &src
->FullSrcRegisters
[i
]);
281 transform_texture(dst
, src
->InstructionExtTexture
);
284 static void handle_immediate(struct tgsi_to_rc
* ttr
, struct tgsi_full_immediate
* imm
)
286 struct rc_constant constant
;
289 constant
.Type
= RC_CONSTANT_IMMEDIATE
;
291 for(i
= 0; i
< 4; ++i
)
292 constant
.u
.Immediate
[i
] = imm
->u
[i
].Float
;
293 rc_constants_add(&ttr
->compiler
->Program
.Constants
, &constant
);
296 void r300_tgsi_to_rc(struct tgsi_to_rc
* ttr
, const struct tgsi_token
* tokens
)
298 struct tgsi_parse_context parser
;
301 /* Allocate constants placeholders.
303 * Note: What if declared constants are not contiguous? */
304 for(i
= 0; i
<= ttr
->info
->file_max
[TGSI_FILE_CONSTANT
]; ++i
) {
305 struct rc_constant constant
;
306 memset(&constant
, 0, sizeof(constant
));
307 constant
.Type
= RC_CONSTANT_EXTERNAL
;
309 constant
.u
.External
= i
;
310 rc_constants_add(&ttr
->compiler
->Program
.Constants
, &constant
);
313 ttr
->immediate_offset
= ttr
->compiler
->Program
.Constants
.Count
;
315 tgsi_parse_init(&parser
, tokens
);
317 while (!tgsi_parse_end_of_tokens(&parser
)) {
318 tgsi_parse_token(&parser
);
320 switch (parser
.FullToken
.Token
.Type
) {
321 case TGSI_TOKEN_TYPE_DECLARATION
:
323 case TGSI_TOKEN_TYPE_IMMEDIATE
:
324 handle_immediate(ttr
, &parser
.FullToken
.FullImmediate
);
326 case TGSI_TOKEN_TYPE_INSTRUCTION
:
327 transform_instruction(ttr
, &parser
.FullToken
.FullInstruction
);
332 tgsi_parse_free(&parser
);
334 rc_calculate_inputs_outputs(ttr
->compiler
);