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 "compiler/radeon_compiler.h"
27 #include "tgsi/tgsi_info.h"
28 #include "tgsi/tgsi_parse.h"
29 #include "tgsi/tgsi_scan.h"
30 #include "tgsi/tgsi_util.h"
32 static unsigned translate_opcode(unsigned opcode
)
35 case TGSI_OPCODE_ARL
: return RC_OPCODE_ARL
;
36 case TGSI_OPCODE_MOV
: return RC_OPCODE_MOV
;
37 case TGSI_OPCODE_LIT
: return RC_OPCODE_LIT
;
38 case TGSI_OPCODE_RCP
: return RC_OPCODE_RCP
;
39 case TGSI_OPCODE_RSQ
: return RC_OPCODE_RSQ
;
40 case TGSI_OPCODE_EXP
: return RC_OPCODE_EXP
;
41 case TGSI_OPCODE_LOG
: return RC_OPCODE_LOG
;
42 case TGSI_OPCODE_MUL
: return RC_OPCODE_MUL
;
43 case TGSI_OPCODE_ADD
: return RC_OPCODE_ADD
;
44 case TGSI_OPCODE_DP3
: return RC_OPCODE_DP3
;
45 case TGSI_OPCODE_DP4
: return RC_OPCODE_DP4
;
46 case TGSI_OPCODE_DST
: return RC_OPCODE_DST
;
47 case TGSI_OPCODE_MIN
: return RC_OPCODE_MIN
;
48 case TGSI_OPCODE_MAX
: return RC_OPCODE_MAX
;
49 case TGSI_OPCODE_SLT
: return RC_OPCODE_SLT
;
50 case TGSI_OPCODE_SGE
: return RC_OPCODE_SGE
;
51 case TGSI_OPCODE_MAD
: return RC_OPCODE_MAD
;
52 case TGSI_OPCODE_SUB
: return RC_OPCODE_SUB
;
53 case TGSI_OPCODE_LRP
: return RC_OPCODE_LRP
;
54 case TGSI_OPCODE_CND
: return RC_OPCODE_CND
;
55 /* case TGSI_OPCODE_DP2A: return RC_OPCODE_DP2A; */
57 case TGSI_OPCODE_FRC
: return RC_OPCODE_FRC
;
58 case TGSI_OPCODE_CLAMP
: return RC_OPCODE_CLAMP
;
59 case TGSI_OPCODE_FLR
: return RC_OPCODE_FLR
;
60 case TGSI_OPCODE_ROUND
: return RC_OPCODE_ROUND
;
61 case TGSI_OPCODE_EX2
: return RC_OPCODE_EX2
;
62 case TGSI_OPCODE_LG2
: return RC_OPCODE_LG2
;
63 case TGSI_OPCODE_POW
: return RC_OPCODE_POW
;
64 case TGSI_OPCODE_XPD
: return RC_OPCODE_XPD
;
66 case TGSI_OPCODE_ABS
: return RC_OPCODE_ABS
;
67 /* case TGSI_OPCODE_RCC: return RC_OPCODE_RCC; */
68 case TGSI_OPCODE_DPH
: return RC_OPCODE_DPH
;
69 case TGSI_OPCODE_COS
: return RC_OPCODE_COS
;
70 case TGSI_OPCODE_DDX
: return RC_OPCODE_DDX
;
71 case TGSI_OPCODE_DDY
: return RC_OPCODE_DDY
;
72 case TGSI_OPCODE_KILL
: return RC_OPCODE_KILP
;
73 /* case TGSI_OPCODE_PK2H: return RC_OPCODE_PK2H; */
74 /* case TGSI_OPCODE_PK2US: return RC_OPCODE_PK2US; */
75 /* case TGSI_OPCODE_PK4B: return RC_OPCODE_PK4B; */
76 /* case TGSI_OPCODE_PK4UB: return RC_OPCODE_PK4UB; */
77 /* case TGSI_OPCODE_RFL: return RC_OPCODE_RFL; */
78 case TGSI_OPCODE_SEQ
: return RC_OPCODE_SEQ
;
79 case TGSI_OPCODE_SFL
: return RC_OPCODE_SFL
;
80 case TGSI_OPCODE_SGT
: return RC_OPCODE_SGT
;
81 case TGSI_OPCODE_SIN
: return RC_OPCODE_SIN
;
82 case TGSI_OPCODE_SLE
: return RC_OPCODE_SLE
;
83 case TGSI_OPCODE_SNE
: return RC_OPCODE_SNE
;
84 /* case TGSI_OPCODE_STR: return RC_OPCODE_STR; */
85 case TGSI_OPCODE_TEX
: return RC_OPCODE_TEX
;
86 case TGSI_OPCODE_TXD
: return RC_OPCODE_TXD
;
87 case TGSI_OPCODE_TXP
: return RC_OPCODE_TXP
;
88 /* case TGSI_OPCODE_UP2H: return RC_OPCODE_UP2H; */
89 /* case TGSI_OPCODE_UP2US: return RC_OPCODE_UP2US; */
90 /* case TGSI_OPCODE_UP4B: return RC_OPCODE_UP4B; */
91 /* case TGSI_OPCODE_UP4UB: return RC_OPCODE_UP4UB; */
92 /* case TGSI_OPCODE_X2D: return RC_OPCODE_X2D; */
93 /* case TGSI_OPCODE_ARA: return RC_OPCODE_ARA; */
94 /* case TGSI_OPCODE_ARR: return RC_OPCODE_ARR; */
95 /* case TGSI_OPCODE_BRA: return RC_OPCODE_BRA; */
96 /* case TGSI_OPCODE_CAL: return RC_OPCODE_CAL; */
97 /* case TGSI_OPCODE_RET: return RC_OPCODE_RET; */
98 case TGSI_OPCODE_SSG
: return RC_OPCODE_SSG
;
99 case TGSI_OPCODE_CMP
: return RC_OPCODE_CMP
;
100 case TGSI_OPCODE_SCS
: return RC_OPCODE_SCS
;
101 case TGSI_OPCODE_TXB
: return RC_OPCODE_TXB
;
102 /* case TGSI_OPCODE_NRM: return RC_OPCODE_NRM; */
103 /* case TGSI_OPCODE_DIV: return RC_OPCODE_DIV; */
104 case TGSI_OPCODE_DP2
: return RC_OPCODE_DP2
;
105 case TGSI_OPCODE_TXL
: return RC_OPCODE_TXL
;
106 case TGSI_OPCODE_BRK
: return RC_OPCODE_BRK
;
107 case TGSI_OPCODE_IF
: return RC_OPCODE_IF
;
108 case TGSI_OPCODE_BGNLOOP
: return RC_OPCODE_BGNLOOP
;
109 case TGSI_OPCODE_ELSE
: return RC_OPCODE_ELSE
;
110 case TGSI_OPCODE_ENDIF
: return RC_OPCODE_ENDIF
;
111 case TGSI_OPCODE_ENDLOOP
: return RC_OPCODE_ENDLOOP
;
112 /* case TGSI_OPCODE_PUSHA: return RC_OPCODE_PUSHA; */
113 /* case TGSI_OPCODE_POPA: return RC_OPCODE_POPA; */
114 case TGSI_OPCODE_CEIL
: return RC_OPCODE_CEIL
;
115 /* case TGSI_OPCODE_I2F: return RC_OPCODE_I2F; */
116 /* case TGSI_OPCODE_NOT: return RC_OPCODE_NOT; */
117 case TGSI_OPCODE_TRUNC
: return RC_OPCODE_TRUNC
;
118 /* case TGSI_OPCODE_SHL: return RC_OPCODE_SHL; */
119 /* case TGSI_OPCODE_ISHR: return RC_OPCODE_SHR; */
120 /* case TGSI_OPCODE_AND: return RC_OPCODE_AND; */
121 /* case TGSI_OPCODE_OR: return RC_OPCODE_OR; */
122 /* case TGSI_OPCODE_MOD: return RC_OPCODE_MOD; */
123 /* case TGSI_OPCODE_XOR: return RC_OPCODE_XOR; */
124 /* case TGSI_OPCODE_SAD: return RC_OPCODE_SAD; */
125 /* case TGSI_OPCODE_TXF: return RC_OPCODE_TXF; */
126 /* case TGSI_OPCODE_TXQ: return RC_OPCODE_TXQ; */
127 case TGSI_OPCODE_CONT
: return RC_OPCODE_CONT
;
128 /* case TGSI_OPCODE_EMIT: return RC_OPCODE_EMIT; */
129 /* case TGSI_OPCODE_ENDPRIM: return RC_OPCODE_ENDPRIM; */
130 /* case TGSI_OPCODE_BGNLOOP2: return RC_OPCODE_BGNLOOP2; */
131 /* case TGSI_OPCODE_BGNSUB: return RC_OPCODE_BGNSUB; */
132 /* case TGSI_OPCODE_ENDLOOP2: return RC_OPCODE_ENDLOOP2; */
133 /* case TGSI_OPCODE_ENDSUB: return RC_OPCODE_ENDSUB; */
134 case TGSI_OPCODE_NOP
: return RC_OPCODE_NOP
;
136 /* case TGSI_OPCODE_NRM4: return RC_OPCODE_NRM4; */
137 /* case TGSI_OPCODE_CALLNZ: return RC_OPCODE_CALLNZ; */
138 /* case TGSI_OPCODE_BREAKC: return RC_OPCODE_BREAKC; */
139 case TGSI_OPCODE_KILL_IF
: return RC_OPCODE_KIL
;
142 fprintf(stderr
, "r300: Unknown TGSI/RC opcode: %s\n", tgsi_get_opcode_name(opcode
));
143 return RC_OPCODE_ILLEGAL_OPCODE
;
146 static unsigned translate_saturate(unsigned saturate
)
150 fprintf(stderr
, "Unknown saturate mode: %i\n", saturate
);
152 case TGSI_SAT_NONE
: return RC_SATURATE_NONE
;
153 case TGSI_SAT_ZERO_ONE
: return RC_SATURATE_ZERO_ONE
;
157 static unsigned translate_register_file(unsigned file
)
160 case TGSI_FILE_CONSTANT
: return RC_FILE_CONSTANT
;
161 case TGSI_FILE_IMMEDIATE
: return RC_FILE_CONSTANT
;
162 case TGSI_FILE_INPUT
: return RC_FILE_INPUT
;
163 case TGSI_FILE_OUTPUT
: return RC_FILE_OUTPUT
;
165 fprintf(stderr
, "Unhandled register file: %i\n", file
);
167 case TGSI_FILE_TEMPORARY
: return RC_FILE_TEMPORARY
;
168 case TGSI_FILE_ADDRESS
: return RC_FILE_ADDRESS
;
172 static int translate_register_index(
173 struct tgsi_to_rc
* ttr
,
177 if (file
== TGSI_FILE_IMMEDIATE
)
178 return ttr
->immediate_offset
+ index
;
183 static void transform_dstreg(
184 struct tgsi_to_rc
* ttr
,
185 struct rc_dst_register
* dst
,
186 struct tgsi_full_dst_register
* src
)
188 dst
->File
= translate_register_file(src
->Register
.File
);
189 dst
->Index
= translate_register_index(ttr
, src
->Register
.File
, src
->Register
.Index
);
190 dst
->WriteMask
= src
->Register
.WriteMask
;
192 if (src
->Register
.Indirect
) {
194 fprintf(stderr
, "r300: Relative addressing of destination operands "
195 "is unsupported.\n");
199 static void transform_srcreg(
200 struct tgsi_to_rc
* ttr
,
201 struct rc_src_register
* dst
,
202 struct tgsi_full_src_register
* src
)
206 dst
->File
= translate_register_file(src
->Register
.File
);
207 dst
->Index
= translate_register_index(ttr
, src
->Register
.File
, src
->Register
.Index
);
208 dst
->RelAddr
= src
->Register
.Indirect
;
209 dst
->Swizzle
= tgsi_util_get_full_src_register_swizzle(src
, 0);
210 dst
->Swizzle
|= tgsi_util_get_full_src_register_swizzle(src
, 1) << 3;
211 dst
->Swizzle
|= tgsi_util_get_full_src_register_swizzle(src
, 2) << 6;
212 dst
->Swizzle
|= tgsi_util_get_full_src_register_swizzle(src
, 3) << 9;
213 dst
->Abs
= src
->Register
.Absolute
;
214 dst
->Negate
= src
->Register
.Negate
? RC_MASK_XYZW
: 0;
216 if (src
->Register
.File
== TGSI_FILE_IMMEDIATE
) {
217 for (i
= 0; i
< ttr
->imms_to_swizzle_count
; i
++) {
218 if (ttr
->imms_to_swizzle
[i
].index
== src
->Register
.Index
) {
219 dst
->File
= RC_FILE_TEMPORARY
;
222 for (j
= 0; j
< 4; j
++) {
223 dst
->Swizzle
|= GET_SWZ(ttr
->imms_to_swizzle
[i
].swizzle
,
224 tgsi_util_get_full_src_register_swizzle(src
, j
)) << (j
* 3);
232 static void transform_texture(struct rc_instruction
* dst
, struct tgsi_instruction_texture src
,
233 uint32_t *shadowSamplers
)
235 switch(src
.Texture
) {
236 case TGSI_TEXTURE_1D
:
237 dst
->U
.I
.TexSrcTarget
= RC_TEXTURE_1D
;
239 case TGSI_TEXTURE_2D
:
240 dst
->U
.I
.TexSrcTarget
= RC_TEXTURE_2D
;
242 case TGSI_TEXTURE_3D
:
243 dst
->U
.I
.TexSrcTarget
= RC_TEXTURE_3D
;
245 case TGSI_TEXTURE_CUBE
:
246 dst
->U
.I
.TexSrcTarget
= RC_TEXTURE_CUBE
;
248 case TGSI_TEXTURE_RECT
:
249 dst
->U
.I
.TexSrcTarget
= RC_TEXTURE_RECT
;
251 case TGSI_TEXTURE_SHADOW1D
:
252 dst
->U
.I
.TexSrcTarget
= RC_TEXTURE_1D
;
253 dst
->U
.I
.TexShadow
= 1;
254 *shadowSamplers
|= 1 << dst
->U
.I
.TexSrcUnit
;
256 case TGSI_TEXTURE_SHADOW2D
:
257 dst
->U
.I
.TexSrcTarget
= RC_TEXTURE_2D
;
258 dst
->U
.I
.TexShadow
= 1;
259 *shadowSamplers
|= 1 << dst
->U
.I
.TexSrcUnit
;
261 case TGSI_TEXTURE_SHADOWRECT
:
262 dst
->U
.I
.TexSrcTarget
= RC_TEXTURE_RECT
;
263 dst
->U
.I
.TexShadow
= 1;
264 *shadowSamplers
|= 1 << dst
->U
.I
.TexSrcUnit
;
267 dst
->U
.I
.TexSwizzle
= RC_SWIZZLE_XYZW
;
270 static void transform_instruction(struct tgsi_to_rc
* ttr
, struct tgsi_full_instruction
* src
)
272 struct rc_instruction
* dst
;
275 dst
= rc_insert_new_instruction(ttr
->compiler
, ttr
->compiler
->Program
.Instructions
.Prev
);
276 dst
->U
.I
.Opcode
= translate_opcode(src
->Instruction
.Opcode
);
277 dst
->U
.I
.SaturateMode
= translate_saturate(src
->Instruction
.Saturate
);
279 if (src
->Instruction
.NumDstRegs
)
280 transform_dstreg(ttr
, &dst
->U
.I
.DstReg
, &src
->Dst
[0]);
282 for(i
= 0; i
< src
->Instruction
.NumSrcRegs
; ++i
) {
283 if (src
->Src
[i
].Register
.File
== TGSI_FILE_SAMPLER
)
284 dst
->U
.I
.TexSrcUnit
= src
->Src
[i
].Register
.Index
;
286 transform_srcreg(ttr
, &dst
->U
.I
.SrcReg
[i
], &src
->Src
[i
]);
290 if (src
->Instruction
.Texture
)
291 transform_texture(dst
, src
->Texture
,
292 &ttr
->compiler
->Program
.ShadowSamplers
);
295 static void handle_immediate(struct tgsi_to_rc
* ttr
,
296 struct tgsi_full_immediate
* imm
,
299 struct rc_constant constant
;
300 unsigned swizzle
= 0;
301 boolean can_swizzle
= TRUE
;
304 for (i
= 0; i
< 4; i
++) {
305 if (imm
->u
[i
].Float
== 0.0f
) {
306 swizzle
|= RC_SWIZZLE_ZERO
<< (i
* 3);
307 } else if (imm
->u
[i
].Float
== 0.5f
&& ttr
->use_half_swizzles
) {
308 swizzle
|= RC_SWIZZLE_HALF
<< (i
* 3);
309 } else if (imm
->u
[i
].Float
== 1.0f
) {
310 swizzle
|= RC_SWIZZLE_ONE
<< (i
* 3);
318 ttr
->imms_to_swizzle
[ttr
->imms_to_swizzle_count
].index
= index
;
319 ttr
->imms_to_swizzle
[ttr
->imms_to_swizzle_count
].swizzle
= swizzle
;
320 ttr
->imms_to_swizzle_count
++;
322 constant
.Type
= RC_CONSTANT_IMMEDIATE
;
324 for(i
= 0; i
< 4; ++i
)
325 constant
.u
.Immediate
[i
] = imm
->u
[i
].Float
;
326 rc_constants_add(&ttr
->compiler
->Program
.Constants
, &constant
);
330 void r300_tgsi_to_rc(struct tgsi_to_rc
* ttr
,
331 const struct tgsi_token
* tokens
)
333 struct tgsi_full_instruction
*inst
;
334 struct tgsi_parse_context parser
;
335 unsigned imm_index
= 0;
340 /* Allocate constants placeholders.
342 * Note: What if declared constants are not contiguous? */
343 for(i
= 0; i
<= ttr
->info
->file_max
[TGSI_FILE_CONSTANT
]; ++i
) {
344 struct rc_constant constant
;
345 memset(&constant
, 0, sizeof(constant
));
346 constant
.Type
= RC_CONSTANT_EXTERNAL
;
348 constant
.u
.External
= i
;
349 rc_constants_add(&ttr
->compiler
->Program
.Constants
, &constant
);
352 ttr
->immediate_offset
= ttr
->compiler
->Program
.Constants
.Count
;
354 ttr
->imms_to_swizzle
= malloc(ttr
->info
->immediate_count
* sizeof(struct swizzled_imms
));
355 ttr
->imms_to_swizzle_count
= 0;
357 tgsi_parse_init(&parser
, tokens
);
359 while (!tgsi_parse_end_of_tokens(&parser
)) {
360 tgsi_parse_token(&parser
);
362 switch (parser
.FullToken
.Token
.Type
) {
363 case TGSI_TOKEN_TYPE_DECLARATION
:
365 case TGSI_TOKEN_TYPE_IMMEDIATE
:
366 handle_immediate(ttr
, &parser
.FullToken
.FullImmediate
, imm_index
);
369 case TGSI_TOKEN_TYPE_INSTRUCTION
:
370 inst
= &parser
.FullToken
.FullInstruction
;
371 if (inst
->Instruction
.Opcode
== TGSI_OPCODE_END
) {
375 transform_instruction(ttr
, inst
);
380 tgsi_parse_free(&parser
);
382 free(ttr
->imms_to_swizzle
);
384 rc_calculate_inputs_outputs(ttr
->compiler
);