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>
39 #include "brw_context.h"
40 #include "brw_structs.h"
41 #include "brw_defines.h"
48 #define BRW_EU_MAX_INSN_STACK 5
51 struct brw_instruction *store;
54 unsigned int next_insn_offset;
58 /* Allow clients to push/pop instruction state:
60 struct brw_instruction stack[BRW_EU_MAX_INSN_STACK];
61 bool compressed_stack[BRW_EU_MAX_INSN_STACK];
62 struct brw_instruction *current;
65 bool single_program_flow;
67 struct brw_context *brw;
69 /* Control flow stacks:
70 * - if_stack contains IF and ELSE instructions which must be patched
71 * (and popped) once the matching ENDIF instruction is encountered.
73 * Just store the instruction pointer(an index).
77 int if_stack_array_size;
80 * loop_stack contains the instruction pointers of the starts of loops which
81 * must be patched (and popped) once the matching WHILE instruction is
86 * pre-gen6, the BREAK and CONT instructions had to tell how many IF/ENDIF
87 * blocks they were popping out of, to fix up the mask stack. This tracks
88 * the IF/ENDIF nesting in each current nested loop level.
90 int *if_depth_in_loop;
92 int loop_stack_array_size;
95 static inline struct brw_instruction *current_insn( struct brw_compile *p)
97 return &p->store[p->nr_insn];
100 void brw_pop_insn_state( struct brw_compile *p );
101 void brw_push_insn_state( struct brw_compile *p );
102 void brw_set_mask_control( struct brw_compile *p, GLuint value );
103 void brw_set_saturate( struct brw_compile *p, bool enable );
104 void brw_set_access_mode( struct brw_compile *p, GLuint access_mode );
105 void brw_set_compression_control(struct brw_compile *p, enum brw_compression c);
106 void brw_set_predicate_control_flag_value( struct brw_compile *p, GLuint value );
107 void brw_set_predicate_control( struct brw_compile *p, GLuint pc );
108 void brw_set_predicate_inverse(struct brw_compile *p, bool predicate_inverse);
109 void brw_set_conditionalmod( struct brw_compile *p, GLuint conditional );
110 void brw_set_flag_reg(struct brw_compile *p, int reg, int subreg);
111 void brw_set_acc_write_control(struct brw_compile *p, GLuint value);
113 void brw_init_compile(struct brw_context *, struct brw_compile *p,
115 void brw_dump_compile(struct brw_compile *p, FILE *out, int start, int end);
116 const GLuint *brw_get_program( struct brw_compile *p, GLuint *sz );
118 struct brw_instruction *brw_next_insn(struct brw_compile *p, GLuint opcode);
119 void brw_set_dest(struct brw_compile *p, struct brw_instruction *insn,
120 struct brw_reg dest);
121 void brw_set_src0(struct brw_compile *p, struct brw_instruction *insn,
124 void gen6_resolve_implied_move(struct brw_compile *p,
128 /* Helpers for regular instructions:
131 struct brw_instruction *brw_##OP(struct brw_compile *p, \
132 struct brw_reg dest, \
133 struct brw_reg src0);
136 struct brw_instruction *brw_##OP(struct brw_compile *p, \
137 struct brw_reg dest, \
138 struct brw_reg src0, \
139 struct brw_reg src1);
142 struct brw_instruction *brw_##OP(struct brw_compile *p, \
143 struct brw_reg dest, \
144 struct brw_reg src0, \
145 struct brw_reg src1, \
146 struct brw_reg src2);
149 void brw_##OP(struct brw_compile *p, struct brw_reg dest, struct brw_reg src0);
188 /* Helpers for SEND instruction:
190 void brw_set_sampler_message(struct brw_compile *p,
191 struct brw_instruction *insn,
192 GLuint binding_table_index,
195 GLuint response_length,
197 GLuint header_present,
199 GLuint return_format);
201 void brw_set_dp_read_message(struct brw_compile *p,
202 struct brw_instruction *insn,
203 GLuint binding_table_index,
209 GLuint response_length);
211 void brw_set_dp_write_message(struct brw_compile *p,
212 struct brw_instruction *insn,
213 GLuint binding_table_index,
218 GLuint last_render_target,
219 GLuint response_length,
220 GLuint end_of_thread,
221 GLuint send_commit_msg);
223 void brw_urb_WRITE(struct brw_compile *p,
230 GLuint response_length,
232 bool writes_complete,
236 void brw_ff_sync(struct brw_compile *p,
241 GLuint response_length,
244 void brw_svb_write(struct brw_compile *p,
248 GLuint binding_table_index,
249 bool send_commit_msg);
251 void brw_fb_WRITE(struct brw_compile *p,
256 GLuint binding_table_index,
258 GLuint response_length,
260 bool header_present);
262 void brw_SAMPLE(struct brw_compile *p,
266 GLuint binding_table_index,
270 GLuint response_length,
272 GLuint header_present,
274 GLuint return_format);
276 void brw_math( struct brw_compile *p,
284 void brw_math2(struct brw_compile *p,
288 struct brw_reg src1);
290 void brw_oword_block_read(struct brw_compile *p,
294 uint32_t bind_table_index);
296 void brw_oword_block_read_scratch(struct brw_compile *p,
302 void brw_oword_block_write_scratch(struct brw_compile *p,
307 void brw_shader_time_add(struct brw_compile *p,
309 uint32_t surf_index);
311 /* If/else/endif. Works by manipulating the execution flags on each
314 struct brw_instruction *brw_IF(struct brw_compile *p,
315 GLuint execute_size);
316 struct brw_instruction *gen6_IF(struct brw_compile *p, uint32_t conditional,
317 struct brw_reg src0, struct brw_reg src1);
319 void brw_ELSE(struct brw_compile *p);
320 void brw_ENDIF(struct brw_compile *p);
324 struct brw_instruction *brw_DO(struct brw_compile *p,
325 GLuint execute_size);
327 struct brw_instruction *brw_WHILE(struct brw_compile *p);
329 struct brw_instruction *brw_BREAK(struct brw_compile *p);
330 struct brw_instruction *brw_CONT(struct brw_compile *p);
331 struct brw_instruction *gen6_CONT(struct brw_compile *p);
332 struct brw_instruction *gen6_HALT(struct brw_compile *p);
335 void brw_land_fwd_jump(struct brw_compile *p, int jmp_insn_idx);
339 void brw_NOP(struct brw_compile *p);
341 void brw_WAIT(struct brw_compile *p);
343 /* Special case: there is never a destination, execution size will be
346 void brw_CMP(struct brw_compile *p,
350 struct brw_reg src1);
352 /***********************************************************************
356 void brw_copy_indirect_to_indirect(struct brw_compile *p,
357 struct brw_indirect dst_ptr,
358 struct brw_indirect src_ptr,
361 void brw_copy_from_indirect(struct brw_compile *p,
363 struct brw_indirect ptr,
366 void brw_copy4(struct brw_compile *p,
371 void brw_copy8(struct brw_compile *p,
376 void brw_math_invert( struct brw_compile *p,
380 void brw_set_src1(struct brw_compile *p,
381 struct brw_instruction *insn,
384 void brw_set_uip_jip(struct brw_compile *p);
386 uint32_t brw_swap_cmod(uint32_t cmod);
388 /* brw_eu_compact.c */
389 void brw_init_compaction_tables(struct intel_context *intel);
390 void brw_compact_instructions(struct brw_compile *p);
391 void brw_uncompact_instruction(struct intel_context *intel,
392 struct brw_instruction *dst,
393 struct brw_compact_instruction *src);
394 bool brw_try_compact_instruction(struct brw_compile *p,
395 struct brw_compact_instruction *dst,
396 struct brw_instruction *src);
398 void brw_debug_compact_uncompact(struct intel_context *intel,
399 struct brw_instruction *orig,
400 struct brw_instruction *uncompacted);
403 void brw_optimize(struct brw_compile *p);
404 void brw_remove_duplicate_mrf_moves(struct brw_compile *p);
405 void brw_remove_grf_to_mrf_moves(struct brw_compile *p);
414 extern const struct opcode_desc opcode_descs[128];
416 int brw_disasm (FILE *file, struct brw_instruction *inst, int gen);