1 /*
2 * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
3 *
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:
10 *
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
13 * Software.
14 *
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 AUTHOR(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.
22 */
23 #ifndef R600_ASM_H
24 #define R600_ASM_H
25
26 #include "r600_pipe.h"
27 #include "r600_isa.h"
28 #include "tgsi/tgsi_exec.h"
29
30 #ifdef __cplusplus
31 extern "C" {
32 #endif
33
34 struct r600_bytecode_alu_src {
35 unsigned sel;
36 unsigned chan;
37 unsigned neg;
38 unsigned abs;
39 unsigned rel;
40 unsigned kc_bank;
41 unsigned kc_rel;
42 uint32_t value;
43 };
44
45 struct r600_bytecode_alu_dst {
46 unsigned sel;
47 unsigned chan;
48 unsigned clamp;
49 unsigned write;
50 unsigned rel;
51 };
52
53 struct r600_bytecode_alu {
54 struct list_head list;
55 struct r600_bytecode_alu_src src[3];
56 struct r600_bytecode_alu_dst dst;
57 unsigned op;
58 unsigned last;
59 unsigned is_op3;
60 unsigned is_lds_idx_op;
61 unsigned execute_mask;
62 unsigned update_pred;
63 unsigned pred_sel;
64 unsigned bank_swizzle;
65 unsigned bank_swizzle_force;
66 unsigned omod;
67 unsigned index_mode;
68 unsigned lds_idx;
69 };
70
71 struct r600_bytecode_tex {
72 struct list_head list;
73 unsigned op;
74 unsigned inst_mod;
75 unsigned resource_id;
76 unsigned src_gpr;
77 unsigned src_rel;
78 unsigned dst_gpr;
79 unsigned dst_rel;
80 unsigned dst_sel_x;
81 unsigned dst_sel_y;
82 unsigned dst_sel_z;
83 unsigned dst_sel_w;
84 unsigned lod_bias;
85 unsigned coord_type_x;
86 unsigned coord_type_y;
87 unsigned coord_type_z;
88 unsigned coord_type_w;
89 int offset_x;
90 int offset_y;
91 int offset_z;
92 unsigned sampler_id;
93 unsigned src_sel_x;
94 unsigned src_sel_y;
95 unsigned src_sel_z;
96 unsigned src_sel_w;
97 /* indexed samplers/resources only on evergreen/cayman */
98 unsigned sampler_index_mode;
99 unsigned resource_index_mode;
100 };
101
102 struct r600_bytecode_vtx {
103 struct list_head list;
104 unsigned op;
105 unsigned fetch_type;
106 unsigned buffer_id;
107 unsigned src_gpr;
108 unsigned src_sel_x;
109 unsigned mega_fetch_count;
110 unsigned dst_gpr;
111 unsigned dst_sel_x;
112 unsigned dst_sel_y;
113 unsigned dst_sel_z;
114 unsigned dst_sel_w;
115 unsigned use_const_fields;
116 unsigned data_format;
117 unsigned num_format_all;
118 unsigned format_comp_all;
119 unsigned srf_mode_all;
120 unsigned offset;
121 unsigned endian;
122 unsigned buffer_index_mode;
123
124 // READ_SCRATCH fields
125 unsigned uncached;
126 unsigned indexed;
127 unsigned src_sel_y;
128 unsigned src_rel;
129 unsigned elem_size;
130 unsigned array_size;
131 unsigned array_base;
132 unsigned burst_count;
133 unsigned dst_rel;
134 };
135
136 struct r600_bytecode_gds {
137 struct list_head list;
138 unsigned op;
139 unsigned src_gpr;
140 unsigned src_rel;
141 unsigned src_sel_x;
142 unsigned src_sel_y;
143 unsigned src_sel_z;
144 unsigned src_gpr2;
145 unsigned dst_gpr;
146 unsigned dst_rel;
147 unsigned dst_sel_x;
148 unsigned dst_sel_y;
149 unsigned dst_sel_z;
150 unsigned dst_sel_w;
151 unsigned uav_index_mode;
152 unsigned uav_id;
153 unsigned alloc_consume;
154 unsigned bcast_first_req;
155 };
156
157 struct r600_bytecode_output {
158 unsigned array_base;
159 unsigned array_size;
160 unsigned comp_mask;
161 unsigned type;
162
163 unsigned op;
164
165 unsigned elem_size;
166 unsigned gpr;
167 unsigned swizzle_x;
168 unsigned swizzle_y;
169 unsigned swizzle_z;
170 unsigned swizzle_w;
171 unsigned burst_count;
172 unsigned index_gpr;
173 unsigned mark; /* used by MEM_SCRATCH */
174 };
175
176 struct r600_bytecode_rat {
177 unsigned id;
178 unsigned inst;
179 unsigned index_mode;
180 };
181
182 struct r600_bytecode_kcache {
183 unsigned bank;
184 unsigned mode;
185 unsigned addr;
186 unsigned index_mode;
187 };
188
189 struct r600_bytecode_cf {
190 struct list_head list;
191
192 unsigned op;
193 unsigned addr;
194 unsigned ndw;
195 unsigned id;
196 unsigned cond;
197 unsigned pop_count;
198 unsigned count;
199 unsigned cf_addr; /* control flow addr */
200 struct r600_bytecode_kcache kcache[4];
201 unsigned r6xx_uses_waterfall;
202 unsigned eg_alu_extended;
203 unsigned barrier;
204 unsigned end_of_program;
205 unsigned mark;
206 unsigned vpm;
207 struct list_head alu;
208 struct list_head tex;
209 struct list_head vtx;
210 struct list_head gds;
211 struct r600_bytecode_output output;
212 struct r600_bytecode_rat rat;
213 struct r600_bytecode_alu *curr_bs_head;
214 struct r600_bytecode_alu *prev_bs_head;
215 struct r600_bytecode_alu *prev2_bs_head;
216 unsigned isa[2];
217 unsigned nlds_read;
218 unsigned nqueue_read;
219 };
220
221 #define FC_NONE 0
222 #define FC_IF 1
223 #define FC_LOOP 2
224 #define FC_REP 3
225 #define FC_PUSH_VPM 4
226 #define FC_PUSH_WQM 5
227
228 struct r600_cf_stack_entry {
229 int type;
230 struct r600_bytecode_cf *start;
231 struct r600_bytecode_cf **mid; /* used to store the else point */
232 int num_mid;
233 };
234
235 #define SQ_MAX_CALL_DEPTH 0x00000020
236
237 #define AR_HANDLE_NORMAL 0
238 #define AR_HANDLE_RV6XX 1 /* except RV670 */
239
240 struct r600_stack_info {
241 /* current level of non-WQM PUSH operations
242 * (PUSH, PUSH_ELSE, ALU_PUSH_BEFORE) */
243 int push;
244 /* current level of WQM PUSH operations
245 * (PUSH, PUSH_ELSE, PUSH_WQM) */
246 int push_wqm;
247 /* current loop level */
248 int loop;
249
250 /* required depth */
251 int max_entries;
252 /* subentries per entry */
253 int entry_size;
254 };
255
256 struct r600_bytecode {
257 enum chip_class chip_class;
258 enum radeon_family family;
259 bool has_compressed_msaa_texturing;
260 int type;
261 struct list_head cf;
262 struct r600_bytecode_cf *cf_last;
263 unsigned ndw;
264 unsigned ncf;
265 unsigned ngpr;
266 unsigned nstack;
267 unsigned nlds_dw;
268 unsigned nresource;
269 unsigned force_add_cf;
270 uint32_t *bytecode;
271 uint32_t fc_sp;
272 struct r600_cf_stack_entry fc_stack[TGSI_EXEC_MAX_NESTING];
273 struct r600_stack_info stack;
274 unsigned ar_loaded;
275 unsigned ar_reg;
276 unsigned ar_chan;
277 unsigned ar_handling;
278 unsigned r6xx_nop_after_rel_dst;
279 bool index_loaded[2];
280 unsigned index_reg[2]; /* indexing register CF_INDEX_[01] */
281 unsigned index_reg_chan[2]; /* indexing register chanel CF_INDEX_[01] */
282 unsigned debug_id;
283 struct r600_isa* isa;
284 struct r600_bytecode_output pending_outputs[5];
285 int n_pending_outputs;
286 boolean need_wait_ack; /* emit a pending WAIT_ACK prior to control flow */
287 boolean precise;
288 };
289
290 /* eg_asm.c */
291 int eg_bytecode_cf_build(struct r600_bytecode *bc, struct r600_bytecode_cf *cf);
292 int egcm_load_index_reg(struct r600_bytecode *bc, unsigned id, bool inside_alu_clause);
293 int eg_bytecode_gds_build(struct r600_bytecode *bc, struct r600_bytecode_gds *gds, unsigned id);
294 int eg_bytecode_alu_build(struct r600_bytecode *bc,
295 struct r600_bytecode_alu *alu, unsigned id);
296 /* r600_asm.c */
297 void r600_bytecode_init(struct r600_bytecode *bc,
298 enum chip_class chip_class,
299 enum radeon_family family,
300 bool has_compressed_msaa_texturing);
301 void r600_bytecode_clear(struct r600_bytecode *bc);
302 int r600_bytecode_add_alu(struct r600_bytecode *bc,
303 const struct r600_bytecode_alu *alu);
304 int r600_bytecode_add_vtx(struct r600_bytecode *bc,
305 const struct r600_bytecode_vtx *vtx);
306 int r600_bytecode_add_vtx_tc(struct r600_bytecode *bc,
307 const struct r600_bytecode_vtx *vtx);
308 int r600_bytecode_add_tex(struct r600_bytecode *bc,
309 const struct r600_bytecode_tex *tex);
310 int r600_bytecode_add_gds(struct r600_bytecode *bc,
311 const struct r600_bytecode_gds *gds);
312 int r600_bytecode_add_output(struct r600_bytecode *bc,
313 const struct r600_bytecode_output *output);
314 int r600_bytecode_add_pending_output(struct r600_bytecode *bc,
315 const struct r600_bytecode_output *output);
316 void r600_bytecode_need_wait_ack(struct r600_bytecode *bc, boolean needed);
317 boolean r600_bytecode_get_need_wait_ack(struct r600_bytecode *bc);
318 int r600_bytecode_build(struct r600_bytecode *bc);
319 int r600_bytecode_add_cf(struct r600_bytecode *bc);
320 int r600_bytecode_add_cfinst(struct r600_bytecode *bc,
321 unsigned op);
322 int r600_bytecode_add_alu_type(struct r600_bytecode *bc,
323 const struct r600_bytecode_alu *alu, unsigned type);
324 void r600_bytecode_special_constants(uint32_t value, unsigned *sel);
325 void r600_bytecode_disasm(struct r600_bytecode *bc);
326 void r600_bytecode_alu_read(struct r600_bytecode *bc,
327 struct r600_bytecode_alu *alu, uint32_t word0, uint32_t word1);
328
329 int cm_bytecode_add_cf_end(struct r600_bytecode *bc);
330
331 void *r600_create_vertex_fetch_shader(struct pipe_context *ctx,
332 unsigned count,
333 const struct pipe_vertex_element *elements);
334
335 /* r700_asm.c */
336 void r700_bytecode_cf_vtx_build(uint32_t *bytecode,
337 const struct r600_bytecode_cf *cf);
338 int r700_bytecode_alu_build(struct r600_bytecode *bc,
339 struct r600_bytecode_alu *alu, unsigned id);
340 void r700_bytecode_alu_read(struct r600_bytecode *bc,
341 struct r600_bytecode_alu *alu, uint32_t word0, uint32_t word1);
342 int r700_bytecode_fetch_mem_build(struct r600_bytecode *bc,
343 struct r600_bytecode_vtx *mem, unsigned id);
344
345 void r600_bytecode_export_read(struct r600_bytecode *bc,
346 struct r600_bytecode_output *output, uint32_t word0, uint32_t word1);
347 void eg_bytecode_export_read(struct r600_bytecode *bc,
348 struct r600_bytecode_output *output, uint32_t word0, uint32_t word1);
349
350 void r600_vertex_data_type(enum pipe_format pformat, unsigned *format,
351 unsigned *num_format, unsigned *format_comp, unsigned *endian);
352
fp64_switch(int i)353 static inline int fp64_switch(int i)
354 {
355 switch (i) {
356 case 0:
357 return 1;
358 case 1:
359 return 0;
360 case 2:
361 return 3;
362 case 3:
363 return 2;
364 }
365 return 0;
366 }
367
368 #ifdef __cplusplus
369 }
370 #endif
371
372 #endif
373