2 Copyright (C) Intel Corp. 2006. All Rights Reserved.
3 Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
4 develop this 3D driver.
6 Permission is hereby granted, free of charge, to any person obtaining
7 a copy of this software and associated documentation files (the
8 "Software"), to deal in the Software without restriction, including
9 without limitation the rights to use, copy, modify, merge, publish,
10 distribute, sublicense, and/or sell copies of the Software, and to
11 permit persons to whom the Software is furnished to do so, subject to
12 the following conditions:
14 The above copyright notice and this permission notice (including the
15 next paragraph) shall be included in all copies or substantial
16 portions of the Software.
18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
21 IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
22 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
23 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
24 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **********************************************************************/
29 * Keith Whitwell <keith@tungstengraphics.com>
38 #include "brw_context.h"
39 #include "brw_structs.h"
40 #include "brw_defines.h"
47 #define BRW_EU_MAX_INSN_STACK 5
50 struct brw_instruction *store;
53 unsigned int next_insn_offset;
57 /* Allow clients to push/pop instruction state:
59 struct brw_instruction stack[BRW_EU_MAX_INSN_STACK];
60 bool compressed_stack[BRW_EU_MAX_INSN_STACK];
61 struct brw_instruction *current;
64 bool single_program_flow;
66 struct brw_context *brw;
68 /* Control flow stacks:
69 * - if_stack contains IF and ELSE instructions which must be patched
70 * (and popped) once the matching ENDIF instruction is encountered.
72 * Just store the instruction pointer(an index).
76 int if_stack_array_size;
79 * loop_stack contains the instruction pointers of the starts of loops which
80 * must be patched (and popped) once the matching WHILE instruction is
85 * pre-gen6, the BREAK and CONT instructions had to tell how many IF/ENDIF
86 * blocks they were popping out of, to fix up the mask stack. This tracks
87 * the IF/ENDIF nesting in each current nested loop level.
89 int *if_depth_in_loop;
91 int loop_stack_array_size;
94 static inline struct brw_instruction *current_insn( struct brw_compile *p)
96 return &p->store[p->nr_insn];
99 void brw_pop_insn_state( struct brw_compile *p );
100 void brw_push_insn_state( struct brw_compile *p );
101 void brw_set_mask_control( struct brw_compile *p, unsigned value );
102 void brw_set_saturate( struct brw_compile *p, bool enable );
103 void brw_set_access_mode( struct brw_compile *p, unsigned access_mode );
104 void brw_set_compression_control(struct brw_compile *p, enum brw_compression c);
105 void brw_set_predicate_control_flag_value( struct brw_compile *p, unsigned value );
106 void brw_set_predicate_control( struct brw_compile *p, unsigned pc );
107 void brw_set_predicate_inverse(struct brw_compile *p, bool predicate_inverse);
108 void brw_set_conditionalmod( struct brw_compile *p, unsigned conditional );
109 void brw_set_flag_reg(struct brw_compile *p, int reg, int subreg);
110 void brw_set_acc_write_control(struct brw_compile *p, unsigned value);
112 void brw_init_compile(struct brw_context *, struct brw_compile *p,
114 void brw_dump_compile(struct brw_compile *p, FILE *out, int start, int end);
115 const unsigned *brw_get_program( struct brw_compile *p, unsigned *sz );
117 struct brw_instruction *brw_next_insn(struct brw_compile *p, unsigned opcode);
118 void brw_set_dest(struct brw_compile *p, struct brw_instruction *insn,
119 struct brw_reg dest);
120 void brw_set_src0(struct brw_compile *p, struct brw_instruction *insn,
123 void gen6_resolve_implied_move(struct brw_compile *p,
125 unsigned msg_reg_nr);
127 /* Helpers for regular instructions:
130 struct brw_instruction *brw_##OP(struct brw_compile *p, \
131 struct brw_reg dest, \
132 struct brw_reg src0);
135 struct brw_instruction *brw_##OP(struct brw_compile *p, \
136 struct brw_reg dest, \
137 struct brw_reg src0, \
138 struct brw_reg src1);
141 struct brw_instruction *brw_##OP(struct brw_compile *p, \
142 struct brw_reg dest, \
143 struct brw_reg src0, \
144 struct brw_reg src1, \
145 struct brw_reg src2);
148 void brw_##OP(struct brw_compile *p, struct brw_reg dest, struct brw_reg src0);
187 /* Helpers for SEND instruction:
189 void brw_set_sampler_message(struct brw_compile *p,
190 struct brw_instruction *insn,
191 unsigned binding_table_index,
194 unsigned response_length,
196 unsigned header_present,
198 unsigned return_format);
200 void brw_set_dp_read_message(struct brw_compile *p,
201 struct brw_instruction *insn,
202 unsigned binding_table_index,
203 unsigned msg_control,
205 unsigned target_cache,
208 unsigned response_length);
210 void brw_set_dp_write_message(struct brw_compile *p,
211 struct brw_instruction *insn,
212 unsigned binding_table_index,
213 unsigned msg_control,
217 unsigned last_render_target,
218 unsigned response_length,
219 unsigned end_of_thread,
220 unsigned send_commit_msg);
222 void brw_urb_WRITE(struct brw_compile *p,
229 unsigned response_length,
231 bool writes_complete,
235 void brw_ff_sync(struct brw_compile *p,
240 unsigned response_length,
243 void brw_svb_write(struct brw_compile *p,
247 unsigned binding_table_index,
248 bool send_commit_msg);
250 void brw_fb_WRITE(struct brw_compile *p,
254 unsigned msg_control,
255 unsigned binding_table_index,
257 unsigned response_length,
259 bool header_present);
261 void brw_SAMPLE(struct brw_compile *p,
265 unsigned binding_table_index,
269 unsigned response_length,
271 unsigned header_present,
273 unsigned return_format);
275 void brw_math( struct brw_compile *p,
281 unsigned precision );
283 void brw_math2(struct brw_compile *p,
287 struct brw_reg src1);
289 void brw_oword_block_read(struct brw_compile *p,
293 uint32_t bind_table_index);
295 void brw_oword_block_read_scratch(struct brw_compile *p,
301 void brw_oword_block_write_scratch(struct brw_compile *p,
306 void brw_shader_time_add(struct brw_compile *p,
308 uint32_t surf_index);
310 /* If/else/endif. Works by manipulating the execution flags on each
313 struct brw_instruction *brw_IF(struct brw_compile *p,
314 unsigned execute_size);
315 struct brw_instruction *gen6_IF(struct brw_compile *p, uint32_t conditional,
316 struct brw_reg src0, struct brw_reg src1);
318 void brw_ELSE(struct brw_compile *p);
319 void brw_ENDIF(struct brw_compile *p);
323 struct brw_instruction *brw_DO(struct brw_compile *p,
324 unsigned execute_size);
326 struct brw_instruction *brw_WHILE(struct brw_compile *p);
328 struct brw_instruction *brw_BREAK(struct brw_compile *p);
329 struct brw_instruction *brw_CONT(struct brw_compile *p);
330 struct brw_instruction *gen6_CONT(struct brw_compile *p);
331 struct brw_instruction *gen6_HALT(struct brw_compile *p);
334 void brw_land_fwd_jump(struct brw_compile *p, int jmp_insn_idx);
338 void brw_NOP(struct brw_compile *p);
340 void brw_WAIT(struct brw_compile *p);
342 /* Special case: there is never a destination, execution size will be
345 void brw_CMP(struct brw_compile *p,
347 unsigned conditional,
349 struct brw_reg src1);
351 /***********************************************************************
355 void brw_copy_indirect_to_indirect(struct brw_compile *p,
356 struct brw_indirect dst_ptr,
357 struct brw_indirect src_ptr,
360 void brw_copy_from_indirect(struct brw_compile *p,
362 struct brw_indirect ptr,
365 void brw_copy4(struct brw_compile *p,
370 void brw_copy8(struct brw_compile *p,
375 void brw_math_invert( struct brw_compile *p,
379 void brw_set_src1(struct brw_compile *p,
380 struct brw_instruction *insn,
383 void brw_set_uip_jip(struct brw_compile *p);
385 uint32_t brw_swap_cmod(uint32_t cmod);
388 brw_set_3src_dest(struct brw_compile *p,
389 struct brw_instruction *insn,
390 struct brw_reg dest);
392 brw_set_3src_src0(struct brw_compile *p,
393 struct brw_instruction *insn,
394 struct brw_reg src0);
396 brw_set_3src_src1(struct brw_compile *p,
397 struct brw_instruction *insn,
398 struct brw_reg src1);
400 brw_set_3src_src2(struct brw_compile *p,
401 struct brw_instruction *insn,
402 struct brw_reg src2);
404 /* brw_eu_compact.c */
405 void brw_init_compaction_tables(struct intel_context *intel);
406 void brw_compact_instructions(struct brw_compile *p);
407 void brw_uncompact_instruction(struct intel_context *intel,
408 struct brw_instruction *dst,
409 struct brw_compact_instruction *src);
410 bool brw_try_compact_instruction(struct brw_compile *p,
411 struct brw_compact_instruction *dst,
412 struct brw_instruction *src);
414 void brw_debug_compact_uncompact(struct intel_context *intel,
415 struct brw_instruction *orig,
416 struct brw_instruction *uncompacted);
419 void brw_optimize(struct brw_compile *p);
420 void brw_remove_duplicate_mrf_moves(struct brw_compile *p);
421 void brw_remove_grf_to_mrf_moves(struct brw_compile *p);