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_KILP: 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_FLR;
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_IFC: return RC_OPCODE_IFC; */
139 /* case TGSI_OPCODE_BREAKC: return RC_OPCODE_BREAKC; */
140 case TGSI_OPCODE_KIL: return RC_OPCODE_KIL;
143 fprintf(stderr, "r300: Unknown TGSI/RC opcode: %s\n", tgsi_get_opcode_name(opcode));
144 return RC_OPCODE_ILLEGAL_OPCODE;
147 static unsigned translate_saturate(unsigned saturate)
151 fprintf(stderr, "Unknown saturate mode: %i\n", saturate);
153 case TGSI_SAT_NONE: return RC_SATURATE_NONE;
154 case TGSI_SAT_ZERO_ONE: return RC_SATURATE_ZERO_ONE;
158 static unsigned translate_register_file(unsigned file)
161 case TGSI_FILE_CONSTANT: return RC_FILE_CONSTANT;
162 case TGSI_FILE_IMMEDIATE: return RC_FILE_CONSTANT;
163 case TGSI_FILE_INPUT: return RC_FILE_INPUT;
164 case TGSI_FILE_OUTPUT: return RC_FILE_OUTPUT;
166 fprintf(stderr, "Unhandled register file: %i\n", file);
168 case TGSI_FILE_TEMPORARY: return RC_FILE_TEMPORARY;
169 case TGSI_FILE_ADDRESS: return RC_FILE_ADDRESS;
173 static int translate_register_index(
174 struct tgsi_to_rc * ttr,
178 if (file == TGSI_FILE_IMMEDIATE)
179 return ttr->immediate_offset + index;
184 static void transform_dstreg(
185 struct tgsi_to_rc * ttr,
186 struct rc_dst_register * dst,
187 struct tgsi_full_dst_register * src)
189 dst->File = translate_register_file(src->Register.File);
190 dst->Index = translate_register_index(ttr, src->Register.File, src->Register.Index);
191 dst->WriteMask = src->Register.WriteMask;
193 if (src->Register.Indirect) {
195 fprintf(stderr, "r300: Relative addressing of destination operands "
196 "is unsupported.\n");
200 static void transform_srcreg(
201 struct tgsi_to_rc * ttr,
202 struct rc_src_register * dst,
203 struct tgsi_full_src_register * src)
207 dst->File = translate_register_file(src->Register.File);
208 dst->Index = translate_register_index(ttr, src->Register.File, src->Register.Index);
209 dst->RelAddr = src->Register.Indirect;
210 dst->Swizzle = tgsi_util_get_full_src_register_swizzle(src, 0);
211 dst->Swizzle |= tgsi_util_get_full_src_register_swizzle(src, 1) << 3;
212 dst->Swizzle |= tgsi_util_get_full_src_register_swizzle(src, 2) << 6;
213 dst->Swizzle |= tgsi_util_get_full_src_register_swizzle(src, 3) << 9;
214 dst->Abs = src->Register.Absolute;
215 dst->Negate = src->Register.Negate ? RC_MASK_XYZW : 0;
217 if (src->Register.File == TGSI_FILE_IMMEDIATE) {
218 for (i = 0; i < ttr->imms_to_swizzle_count; i++) {
219 if (ttr->imms_to_swizzle[i].index == src->Register.Index) {
220 dst->File = RC_FILE_TEMPORARY;
223 for (j = 0; j < 4; j++) {
224 dst->Swizzle |= GET_SWZ(ttr->imms_to_swizzle[i].swizzle,
225 tgsi_util_get_full_src_register_swizzle(src, j)) << (j * 3);
233 static void transform_texture(struct rc_instruction * dst, struct tgsi_instruction_texture src,
234 uint32_t *shadowSamplers)
236 switch(src.Texture) {
237 case TGSI_TEXTURE_1D:
238 dst->U.I.TexSrcTarget = RC_TEXTURE_1D;
240 case TGSI_TEXTURE_2D:
241 dst->U.I.TexSrcTarget = RC_TEXTURE_2D;
243 case TGSI_TEXTURE_3D:
244 dst->U.I.TexSrcTarget = RC_TEXTURE_3D;
246 case TGSI_TEXTURE_CUBE:
247 dst->U.I.TexSrcTarget = RC_TEXTURE_CUBE;
249 case TGSI_TEXTURE_RECT:
250 dst->U.I.TexSrcTarget = RC_TEXTURE_RECT;
252 case TGSI_TEXTURE_SHADOW1D:
253 dst->U.I.TexSrcTarget = RC_TEXTURE_1D;
254 dst->U.I.TexShadow = 1;
255 *shadowSamplers |= 1 << dst->U.I.TexSrcUnit;
257 case TGSI_TEXTURE_SHADOW2D:
258 dst->U.I.TexSrcTarget = RC_TEXTURE_2D;
259 dst->U.I.TexShadow = 1;
260 *shadowSamplers |= 1 << dst->U.I.TexSrcUnit;
262 case TGSI_TEXTURE_SHADOWRECT:
263 dst->U.I.TexSrcTarget = RC_TEXTURE_RECT;
264 dst->U.I.TexShadow = 1;
265 *shadowSamplers |= 1 << dst->U.I.TexSrcUnit;
268 dst->U.I.TexSwizzle = RC_SWIZZLE_XYZW;
271 static void transform_instruction(struct tgsi_to_rc * ttr, struct tgsi_full_instruction * src)
273 struct rc_instruction * dst;
276 dst = rc_insert_new_instruction(ttr->compiler, ttr->compiler->Program.Instructions.Prev);
277 dst->U.I.Opcode = translate_opcode(src->Instruction.Opcode);
278 dst->U.I.SaturateMode = translate_saturate(src->Instruction.Saturate);
280 if (src->Instruction.NumDstRegs)
281 transform_dstreg(ttr, &dst->U.I.DstReg, &src->Dst[0]);
283 for(i = 0; i < src->Instruction.NumSrcRegs; ++i) {
284 if (src->Src[i].Register.File == TGSI_FILE_SAMPLER)
285 dst->U.I.TexSrcUnit = src->Src[i].Register.Index;
287 transform_srcreg(ttr, &dst->U.I.SrcReg[i], &src->Src[i]);
291 if (src->Instruction.Texture)
292 transform_texture(dst, src->Texture,
293 &ttr->compiler->Program.ShadowSamplers);
296 static void handle_immediate(struct tgsi_to_rc * ttr,
297 struct tgsi_full_immediate * imm,
300 struct rc_constant constant;
301 unsigned swizzle = 0;
302 boolean can_swizzle = TRUE;
305 for (i = 0; i < 4; i++) {
306 if (imm->u[i].Float == 0.0f) {
307 swizzle |= RC_SWIZZLE_ZERO << (i * 3);
308 } else if (imm->u[i].Float == 0.5f && ttr->use_half_swizzles) {
309 swizzle |= RC_SWIZZLE_HALF << (i * 3);
310 } else if (imm->u[i].Float == 1.0f) {
311 swizzle |= RC_SWIZZLE_ONE << (i * 3);
319 ttr->imms_to_swizzle[ttr->imms_to_swizzle_count].index = index;
320 ttr->imms_to_swizzle[ttr->imms_to_swizzle_count].swizzle = swizzle;
321 ttr->imms_to_swizzle_count++;
323 constant.Type = RC_CONSTANT_IMMEDIATE;
325 for(i = 0; i < 4; ++i)
326 constant.u.Immediate[i] = imm->u[i].Float;
327 rc_constants_add(&ttr->compiler->Program.Constants, &constant);
331 void r300_tgsi_to_rc(struct tgsi_to_rc * ttr,
332 const struct tgsi_token * tokens)
334 struct tgsi_full_instruction *inst;
335 struct tgsi_parse_context parser;
336 unsigned imm_index = 0;
341 /* Allocate constants placeholders.
343 * Note: What if declared constants are not contiguous? */
344 for(i = 0; i <= ttr->info->file_max[TGSI_FILE_CONSTANT]; ++i) {
345 struct rc_constant constant;
346 memset(&constant, 0, sizeof(constant));
347 constant.Type = RC_CONSTANT_EXTERNAL;
349 constant.u.External = i;
350 rc_constants_add(&ttr->compiler->Program.Constants, &constant);
353 ttr->immediate_offset = ttr->compiler->Program.Constants.Count;
355 ttr->imms_to_swizzle = malloc(ttr->info->immediate_count * sizeof(struct swizzled_imms));
356 ttr->imms_to_swizzle_count = 0;
358 tgsi_parse_init(&parser, tokens);
360 while (!tgsi_parse_end_of_tokens(&parser)) {
361 tgsi_parse_token(&parser);
363 switch (parser.FullToken.Token.Type) {
364 case TGSI_TOKEN_TYPE_DECLARATION:
366 case TGSI_TOKEN_TYPE_IMMEDIATE:
367 handle_immediate(ttr, &parser.FullToken.FullImmediate, imm_index);
370 case TGSI_TOKEN_TYPE_INSTRUCTION:
371 inst = &parser.FullToken.FullInstruction;
372 if (inst->Instruction.Opcode == TGSI_OPCODE_END) {
376 transform_instruction(ttr, inst);
381 tgsi_parse_free(&parser);
383 free(ttr->imms_to_swizzle);
385 rc_calculate_inputs_outputs(ttr->compiler);