1 /**************************************************************************
3 * Copyright 2019 Red Hat.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included
14 * in all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 **************************************************************************/
25 #include "util/u_memory.h"
26 #include "util/simple_list.h"
27 #include "util/os_time.h"
28 #include "util/u_dump.h"
29 #include "util/u_string.h"
30 #include "tgsi/tgsi_dump.h"
31 #include "tgsi/tgsi_parse.h"
32 #include "gallivm/lp_bld_const.h"
33 #include "gallivm/lp_bld_debug.h"
34 #include "gallivm/lp_bld_intr.h"
35 #include "gallivm/lp_bld_flow.h"
36 #include "gallivm/lp_bld_gather.h"
37 #include "gallivm/lp_bld_coro.h"
38 #include "lp_state_cs.h"
39 #include "lp_context.h"
43 #include "lp_screen.h"
44 #include "lp_memory.h"
45 #include "lp_cs_tpool.h"
46 #include "state_tracker/sw_winsys.h"
48 struct lp_cs_job_info
{
49 unsigned grid_size
[3];
50 unsigned block_size
[3];
51 unsigned req_local_mem
;
52 struct lp_cs_exec
*current
;
56 generate_compute(struct llvmpipe_context
*lp
,
57 struct lp_compute_shader
*shader
,
58 struct lp_compute_shader_variant
*variant
)
60 struct gallivm_state
*gallivm
= variant
->gallivm
;
61 const struct lp_compute_shader_variant_key
*key
= &variant
->key
;
62 char func_name
[64], func_name_coro
[64];
63 LLVMTypeRef arg_types
[13];
64 LLVMTypeRef func_type
, coro_func_type
;
65 LLVMTypeRef int32_type
= LLVMInt32TypeInContext(gallivm
->context
);
66 LLVMValueRef context_ptr
;
67 LLVMValueRef x_size_arg
, y_size_arg
, z_size_arg
;
68 LLVMValueRef grid_x_arg
, grid_y_arg
, grid_z_arg
;
69 LLVMValueRef grid_size_x_arg
, grid_size_y_arg
, grid_size_z_arg
;
70 LLVMValueRef thread_data_ptr
;
71 LLVMBasicBlockRef block
;
72 LLVMBuilderRef builder
;
73 struct lp_build_sampler_soa
*sampler
;
74 struct lp_build_image_soa
*image
;
75 LLVMValueRef function
, coro
;
76 struct lp_type cs_type
;
80 * This function has two parts
81 * a) setup the coroutine execution environment loop.
82 * b) build the compute shader llvm for use inside the coroutine.
84 assert(lp_native_vector_width
/ 32 >= 4);
86 memset(&cs_type
, 0, sizeof cs_type
);
87 cs_type
.floating
= TRUE
; /* floating point values */
88 cs_type
.sign
= TRUE
; /* values are signed */
89 cs_type
.norm
= FALSE
; /* values are not limited to [0,1] or [-1,1] */
90 cs_type
.width
= 32; /* 32-bit float */
91 cs_type
.length
= MIN2(lp_native_vector_width
/ 32, 16); /* n*4 elements per vector */
92 snprintf(func_name
, sizeof(func_name
), "cs%u_variant%u",
93 shader
->no
, variant
->no
);
95 snprintf(func_name_coro
, sizeof(func_name
), "cs_co_%u_variant%u",
96 shader
->no
, variant
->no
);
98 arg_types
[0] = variant
->jit_cs_context_ptr_type
; /* context */
99 arg_types
[1] = int32_type
; /* block_x_size */
100 arg_types
[2] = int32_type
; /* block_y_size */
101 arg_types
[3] = int32_type
; /* block_z_size */
102 arg_types
[4] = int32_type
; /* grid_x */
103 arg_types
[5] = int32_type
; /* grid_y */
104 arg_types
[6] = int32_type
; /* grid_z */
105 arg_types
[7] = int32_type
; /* grid_size_x */
106 arg_types
[8] = int32_type
; /* grid_size_y */
107 arg_types
[9] = int32_type
; /* grid_size_z */
108 arg_types
[10] = variant
->jit_cs_thread_data_ptr_type
; /* per thread data */
109 arg_types
[11] = int32_type
;
110 arg_types
[12] = int32_type
;
111 func_type
= LLVMFunctionType(LLVMVoidTypeInContext(gallivm
->context
),
112 arg_types
, ARRAY_SIZE(arg_types
) - 2, 0);
114 coro_func_type
= LLVMFunctionType(LLVMPointerType(LLVMInt8TypeInContext(gallivm
->context
), 0),
115 arg_types
, ARRAY_SIZE(arg_types
), 0);
117 function
= LLVMAddFunction(gallivm
->module
, func_name
, func_type
);
118 LLVMSetFunctionCallConv(function
, LLVMCCallConv
);
120 coro
= LLVMAddFunction(gallivm
->module
, func_name_coro
, coro_func_type
);
121 LLVMSetFunctionCallConv(coro
, LLVMCCallConv
);
123 variant
->function
= function
;
125 for(i
= 0; i
< ARRAY_SIZE(arg_types
); ++i
) {
126 if(LLVMGetTypeKind(arg_types
[i
]) == LLVMPointerTypeKind
) {
127 lp_add_function_attr(coro
, i
+ 1, LP_FUNC_ATTR_NOALIAS
);
128 lp_add_function_attr(function
, i
+ 1, LP_FUNC_ATTR_NOALIAS
);
132 context_ptr
= LLVMGetParam(function
, 0);
133 x_size_arg
= LLVMGetParam(function
, 1);
134 y_size_arg
= LLVMGetParam(function
, 2);
135 z_size_arg
= LLVMGetParam(function
, 3);
136 grid_x_arg
= LLVMGetParam(function
, 4);
137 grid_y_arg
= LLVMGetParam(function
, 5);
138 grid_z_arg
= LLVMGetParam(function
, 6);
139 grid_size_x_arg
= LLVMGetParam(function
, 7);
140 grid_size_y_arg
= LLVMGetParam(function
, 8);
141 grid_size_z_arg
= LLVMGetParam(function
, 9);
142 thread_data_ptr
= LLVMGetParam(function
, 10);
144 lp_build_name(context_ptr
, "context");
145 lp_build_name(x_size_arg
, "x_size");
146 lp_build_name(y_size_arg
, "y_size");
147 lp_build_name(z_size_arg
, "z_size");
148 lp_build_name(grid_x_arg
, "grid_x");
149 lp_build_name(grid_y_arg
, "grid_y");
150 lp_build_name(grid_z_arg
, "grid_z");
151 lp_build_name(grid_size_x_arg
, "grid_size_x");
152 lp_build_name(grid_size_y_arg
, "grid_size_y");
153 lp_build_name(grid_size_z_arg
, "grid_size_z");
154 lp_build_name(thread_data_ptr
, "thread_data");
156 block
= LLVMAppendBasicBlockInContext(gallivm
->context
, function
, "entry");
157 builder
= gallivm
->builder
;
159 LLVMPositionBuilderAtEnd(builder
, block
);
160 sampler
= lp_llvm_sampler_soa_create(key
->state
);
161 image
= lp_llvm_image_soa_create(key
->image_state
);
163 struct lp_build_loop_state loop_state
[4];
164 LLVMValueRef num_x_loop
;
165 LLVMValueRef vec_length
= lp_build_const_int32(gallivm
, cs_type
.length
);
166 num_x_loop
= LLVMBuildAdd(gallivm
->builder
, x_size_arg
, vec_length
, "");
167 num_x_loop
= LLVMBuildSub(gallivm
->builder
, num_x_loop
, lp_build_const_int32(gallivm
, 1), "");
168 num_x_loop
= LLVMBuildUDiv(gallivm
->builder
, num_x_loop
, vec_length
, "");
169 LLVMValueRef partials
= LLVMBuildURem(gallivm
->builder
, x_size_arg
, vec_length
, "");
171 LLVMValueRef coro_num_hdls
= LLVMBuildMul(gallivm
->builder
, num_x_loop
, y_size_arg
, "");
172 coro_num_hdls
= LLVMBuildMul(gallivm
->builder
, coro_num_hdls
, z_size_arg
, "");
174 LLVMTypeRef hdl_ptr_type
= LLVMPointerType(LLVMInt8TypeInContext(gallivm
->context
), 0);
175 LLVMValueRef coro_hdls
= LLVMBuildArrayAlloca(gallivm
->builder
, hdl_ptr_type
, coro_num_hdls
, "coro_hdls");
177 unsigned end_coroutine
= INT_MAX
;
180 * This is the main coroutine execution loop. It iterates over the dimensions
181 * and calls the coroutine main entrypoint on the first pass, but in subsequent
182 * passes it checks if the coroutine has completed and resumes it if not.
184 /* take x_width - round up to type.length width */
185 lp_build_loop_begin(&loop_state
[3], gallivm
,
186 lp_build_const_int32(gallivm
, 0)); /* coroutine reentry loop */
187 lp_build_loop_begin(&loop_state
[2], gallivm
,
188 lp_build_const_int32(gallivm
, 0)); /* z loop */
189 lp_build_loop_begin(&loop_state
[1], gallivm
,
190 lp_build_const_int32(gallivm
, 0)); /* y loop */
191 lp_build_loop_begin(&loop_state
[0], gallivm
,
192 lp_build_const_int32(gallivm
, 0)); /* x loop */
194 LLVMValueRef args
[13];
195 args
[0] = context_ptr
;
196 args
[1] = loop_state
[0].counter
;
197 args
[2] = loop_state
[1].counter
;
198 args
[3] = loop_state
[2].counter
;
199 args
[4] = grid_x_arg
;
200 args
[5] = grid_y_arg
;
201 args
[6] = grid_z_arg
;
202 args
[7] = grid_size_x_arg
;
203 args
[8] = grid_size_y_arg
;
204 args
[9] = grid_size_z_arg
;
205 args
[10] = thread_data_ptr
;
206 args
[11] = num_x_loop
;
209 /* idx = (z * (size_x * size_y) + y * size_x + x */
210 LLVMValueRef coro_hdl_idx
= LLVMBuildMul(gallivm
->builder
, loop_state
[2].counter
,
211 LLVMBuildMul(gallivm
->builder
, num_x_loop
, y_size_arg
, ""), "");
212 coro_hdl_idx
= LLVMBuildAdd(gallivm
->builder
, coro_hdl_idx
,
213 LLVMBuildMul(gallivm
->builder
, loop_state
[1].counter
,
214 num_x_loop
, ""), "");
215 coro_hdl_idx
= LLVMBuildAdd(gallivm
->builder
, coro_hdl_idx
,
216 loop_state
[0].counter
, "");
218 LLVMValueRef coro_entry
= LLVMBuildGEP(gallivm
->builder
, coro_hdls
, &coro_hdl_idx
, 1, "");
220 LLVMValueRef coro_hdl
= LLVMBuildLoad(gallivm
->builder
, coro_entry
, "coro_hdl");
222 struct lp_build_if_state ifstate
;
223 LLVMValueRef cmp
= LLVMBuildICmp(gallivm
->builder
, LLVMIntEQ
, loop_state
[3].counter
,
224 lp_build_const_int32(gallivm
, 0), "");
225 /* first time here - call the coroutine function entry point */
226 lp_build_if(&ifstate
, gallivm
, cmp
);
227 LLVMValueRef coro_ret
= LLVMBuildCall(gallivm
->builder
, coro
, args
, 13, "");
228 LLVMBuildStore(gallivm
->builder
, coro_ret
, coro_entry
);
229 lp_build_else(&ifstate
);
230 /* subsequent calls for this invocation - check if done. */
231 LLVMValueRef coro_done
= lp_build_coro_done(gallivm
, coro_hdl
);
232 struct lp_build_if_state ifstate2
;
233 lp_build_if(&ifstate2
, gallivm
, coro_done
);
234 /* if done destroy and force loop exit */
235 lp_build_coro_destroy(gallivm
, coro_hdl
);
236 lp_build_loop_force_set_counter(&loop_state
[3], lp_build_const_int32(gallivm
, end_coroutine
- 1));
237 lp_build_else(&ifstate2
);
238 /* otherwise resume the coroutine */
239 lp_build_coro_resume(gallivm
, coro_hdl
);
240 lp_build_endif(&ifstate2
);
241 lp_build_endif(&ifstate
);
242 lp_build_loop_force_reload_counter(&loop_state
[3]);
244 lp_build_loop_end_cond(&loop_state
[0],
247 lp_build_loop_end_cond(&loop_state
[1],
250 lp_build_loop_end_cond(&loop_state
[2],
253 lp_build_loop_end_cond(&loop_state
[3],
254 lp_build_const_int32(gallivm
, end_coroutine
),
256 LLVMBuildRetVoid(builder
);
258 /* This is stage (b) - generate the compute shader code inside the coroutine. */
259 context_ptr
= LLVMGetParam(coro
, 0);
260 x_size_arg
= LLVMGetParam(coro
, 1);
261 y_size_arg
= LLVMGetParam(coro
, 2);
262 z_size_arg
= LLVMGetParam(coro
, 3);
263 grid_x_arg
= LLVMGetParam(coro
, 4);
264 grid_y_arg
= LLVMGetParam(coro
, 5);
265 grid_z_arg
= LLVMGetParam(coro
, 6);
266 grid_size_x_arg
= LLVMGetParam(coro
, 7);
267 grid_size_y_arg
= LLVMGetParam(coro
, 8);
268 grid_size_z_arg
= LLVMGetParam(coro
, 9);
269 thread_data_ptr
= LLVMGetParam(coro
, 10);
270 num_x_loop
= LLVMGetParam(coro
, 11);
271 partials
= LLVMGetParam(coro
, 12);
272 block
= LLVMAppendBasicBlockInContext(gallivm
->context
, coro
, "entry");
273 LLVMPositionBuilderAtEnd(builder
, block
);
275 const struct tgsi_token
*tokens
= shader
->base
.tokens
;
276 LLVMValueRef consts_ptr
, num_consts_ptr
;
277 LLVMValueRef ssbo_ptr
, num_ssbo_ptr
;
278 LLVMValueRef shared_ptr
;
279 struct lp_build_mask_context mask
;
280 struct lp_bld_tgsi_system_values system_values
;
282 memset(&system_values
, 0, sizeof(system_values
));
283 consts_ptr
= lp_jit_cs_context_constants(gallivm
, context_ptr
);
284 num_consts_ptr
= lp_jit_cs_context_num_constants(gallivm
, context_ptr
);
285 ssbo_ptr
= lp_jit_cs_context_ssbos(gallivm
, context_ptr
);
286 num_ssbo_ptr
= lp_jit_cs_context_num_ssbos(gallivm
, context_ptr
);
287 shared_ptr
= lp_jit_cs_thread_data_shared(gallivm
, thread_data_ptr
);
289 /* these are coroutine entrypoint necessities */
290 LLVMValueRef coro_id
= lp_build_coro_id(gallivm
);
291 LLVMValueRef coro_hdl
= lp_build_coro_begin_alloc_mem(gallivm
, coro_id
);
293 LLVMValueRef has_partials
= LLVMBuildICmp(gallivm
->builder
, LLVMIntNE
, partials
, lp_build_const_int32(gallivm
, 0), "");
294 LLVMValueRef tid_vals
[3];
295 LLVMValueRef tids_x
[LP_MAX_VECTOR_LENGTH
], tids_y
[LP_MAX_VECTOR_LENGTH
], tids_z
[LP_MAX_VECTOR_LENGTH
];
296 LLVMValueRef base_val
= LLVMBuildMul(gallivm
->builder
, x_size_arg
, vec_length
, "");
297 for (i
= 0; i
< cs_type
.length
; i
++) {
298 tids_x
[i
] = LLVMBuildAdd(gallivm
->builder
, base_val
, lp_build_const_int32(gallivm
, i
), "");
299 tids_y
[i
] = y_size_arg
;
300 tids_z
[i
] = z_size_arg
;
302 tid_vals
[0] = lp_build_gather_values(gallivm
, tids_x
, cs_type
.length
);
303 tid_vals
[1] = lp_build_gather_values(gallivm
, tids_y
, cs_type
.length
);
304 tid_vals
[2] = lp_build_gather_values(gallivm
, tids_z
, cs_type
.length
);
305 system_values
.thread_id
= LLVMGetUndef(LLVMArrayType(LLVMVectorType(int32_type
, cs_type
.length
), 3));
306 for (i
= 0; i
< 3; i
++)
307 system_values
.thread_id
= LLVMBuildInsertValue(builder
, system_values
.thread_id
, tid_vals
[i
], i
, "");
309 LLVMValueRef gtids
[3] = { grid_x_arg
, grid_y_arg
, grid_z_arg
};
310 system_values
.block_id
= LLVMGetUndef(LLVMVectorType(int32_type
, 3));
311 for (i
= 0; i
< 3; i
++)
312 system_values
.block_id
= LLVMBuildInsertElement(builder
, system_values
.block_id
, gtids
[i
], lp_build_const_int32(gallivm
, i
), "");
314 LLVMValueRef gstids
[3] = { grid_size_x_arg
, grid_size_y_arg
, grid_size_z_arg
};
315 system_values
.grid_size
= LLVMGetUndef(LLVMVectorType(int32_type
, 3));
316 for (i
= 0; i
< 3; i
++)
317 system_values
.grid_size
= LLVMBuildInsertElement(builder
, system_values
.grid_size
, gstids
[i
], lp_build_const_int32(gallivm
, i
), "");
319 LLVMValueRef last_x_loop
= LLVMBuildICmp(gallivm
->builder
, LLVMIntEQ
, x_size_arg
, LLVMBuildSub(gallivm
->builder
, num_x_loop
, lp_build_const_int32(gallivm
, 1), ""), "");
320 LLVMValueRef use_partial_mask
= LLVMBuildAnd(gallivm
->builder
, last_x_loop
, has_partials
, "");
321 struct lp_build_if_state if_state
;
322 LLVMValueRef mask_val
= lp_build_alloca(gallivm
, LLVMVectorType(int32_type
, cs_type
.length
), "mask");
323 LLVMValueRef full_mask_val
= lp_build_const_int_vec(gallivm
, cs_type
, ~0);
324 LLVMBuildStore(gallivm
->builder
, full_mask_val
, mask_val
);
326 lp_build_if(&if_state
, gallivm
, use_partial_mask
);
327 struct lp_build_loop_state mask_loop_state
;
328 lp_build_loop_begin(&mask_loop_state
, gallivm
, partials
);
329 LLVMValueRef tmask_val
= LLVMBuildLoad(gallivm
->builder
, mask_val
, "");
330 tmask_val
= LLVMBuildInsertElement(gallivm
->builder
, tmask_val
, lp_build_const_int32(gallivm
, 0), mask_loop_state
.counter
, "");
331 LLVMBuildStore(gallivm
->builder
, tmask_val
, mask_val
);
332 lp_build_loop_end_cond(&mask_loop_state
, vec_length
, NULL
, LLVMIntUGE
);
333 lp_build_endif(&if_state
);
335 mask_val
= LLVMBuildLoad(gallivm
->builder
, mask_val
, "");
336 lp_build_mask_begin(&mask
, gallivm
, cs_type
, mask_val
);
338 struct lp_build_coro_suspend_info coro_info
;
340 LLVMBasicBlockRef sus_block
= LLVMAppendBasicBlockInContext(gallivm
->context
, coro
, "suspend");
341 LLVMBasicBlockRef clean_block
= LLVMAppendBasicBlockInContext(gallivm
->context
, coro
, "cleanup");
343 coro_info
.suspend
= sus_block
;
344 coro_info
.cleanup
= clean_block
;
346 struct lp_build_tgsi_params params
;
347 memset(¶ms
, 0, sizeof(params
));
349 params
.type
= cs_type
;
351 params
.consts_ptr
= consts_ptr
;
352 params
.const_sizes_ptr
= num_consts_ptr
;
353 params
.system_values
= &system_values
;
354 params
.context_ptr
= context_ptr
;
355 params
.sampler
= sampler
;
356 params
.info
= &shader
->info
.base
;
357 params
.ssbo_ptr
= ssbo_ptr
;
358 params
.ssbo_sizes_ptr
= num_ssbo_ptr
;
359 params
.image
= image
;
360 params
.shared_ptr
= shared_ptr
;
361 params
.coro
= &coro_info
;
363 lp_build_tgsi_soa(gallivm
, tokens
, ¶ms
, NULL
);
365 mask_val
= lp_build_mask_end(&mask
);
367 lp_build_coro_suspend_switch(gallivm
, &coro_info
, NULL
, true);
368 LLVMPositionBuilderAtEnd(builder
, clean_block
);
370 lp_build_coro_free_mem(gallivm
, coro_id
, coro_hdl
);
372 LLVMBuildBr(builder
, sus_block
);
373 LLVMPositionBuilderAtEnd(builder
, sus_block
);
375 lp_build_coro_end(gallivm
, coro_hdl
);
376 LLVMBuildRet(builder
, coro_hdl
);
379 sampler
->destroy(sampler
);
380 image
->destroy(image
);
382 gallivm_verify_function(gallivm
, coro
);
383 gallivm_verify_function(gallivm
, function
);
387 llvmpipe_create_compute_state(struct pipe_context
*pipe
,
388 const struct pipe_compute_state
*templ
)
390 struct lp_compute_shader
*shader
;
391 int nr_samplers
, nr_sampler_views
;
392 shader
= CALLOC_STRUCT(lp_compute_shader
);
396 assert(templ
->ir_type
== PIPE_SHADER_IR_TGSI
);
397 shader
->base
.tokens
= tgsi_dup_tokens(templ
->prog
);
399 shader
->req_local_mem
= templ
->req_local_mem
;
400 lp_build_tgsi_info(shader
->base
.tokens
, &shader
->info
);
401 make_empty_list(&shader
->variants
);
403 nr_samplers
= shader
->info
.base
.file_max
[TGSI_FILE_SAMPLER
] + 1;
404 nr_sampler_views
= shader
->info
.base
.file_max
[TGSI_FILE_SAMPLER_VIEW
] + 1;
405 shader
->variant_key_size
= Offset(struct lp_compute_shader_variant_key
,
406 state
[MAX2(nr_samplers
, nr_sampler_views
)]);
411 llvmpipe_bind_compute_state(struct pipe_context
*pipe
,
414 struct llvmpipe_context
*llvmpipe
= llvmpipe_context(pipe
);
416 if (llvmpipe
->cs
== cs
)
419 llvmpipe
->cs
= (struct lp_compute_shader
*)cs
;
420 llvmpipe
->cs_dirty
|= LP_CSNEW_CS
;
424 * Remove shader variant from two lists: the shader's variant list
425 * and the context's variant list.
428 llvmpipe_remove_cs_shader_variant(struct llvmpipe_context
*lp
,
429 struct lp_compute_shader_variant
*variant
)
431 if ((LP_DEBUG
& DEBUG_CS
) || (gallivm_debug
& GALLIVM_DEBUG_IR
)) {
432 debug_printf("llvmpipe: del cs #%u var %u v created %u v cached %u "
433 "v total cached %u inst %u total inst %u\n",
434 variant
->shader
->no
, variant
->no
,
435 variant
->shader
->variants_created
,
436 variant
->shader
->variants_cached
,
437 lp
->nr_cs_variants
, variant
->nr_instrs
, lp
->nr_cs_instrs
);
440 gallivm_destroy(variant
->gallivm
);
442 /* remove from shader's list */
443 remove_from_list(&variant
->list_item_local
);
444 variant
->shader
->variants_cached
--;
446 /* remove from context's list */
447 remove_from_list(&variant
->list_item_global
);
448 lp
->nr_fs_variants
--;
449 lp
->nr_fs_instrs
-= variant
->nr_instrs
;
455 llvmpipe_delete_compute_state(struct pipe_context
*pipe
,
458 struct llvmpipe_context
*llvmpipe
= llvmpipe_context(pipe
);
459 struct lp_compute_shader
*shader
= cs
;
460 struct lp_cs_variant_list_item
*li
;
462 /* Delete all the variants */
463 li
= first_elem(&shader
->variants
);
464 while(!at_end(&shader
->variants
, li
)) {
465 struct lp_cs_variant_list_item
*next
= next_elem(li
);
466 llvmpipe_remove_cs_shader_variant(llvmpipe
, li
->base
);
469 tgsi_free_tokens(shader
->base
.tokens
);
474 make_variant_key(struct llvmpipe_context
*lp
,
475 struct lp_compute_shader
*shader
,
476 struct lp_compute_shader_variant_key
*key
)
480 memset(key
, 0, shader
->variant_key_size
);
482 /* This value will be the same for all the variants of a given shader:
484 key
->nr_samplers
= shader
->info
.base
.file_max
[TGSI_FILE_SAMPLER
] + 1;
486 for(i
= 0; i
< key
->nr_samplers
; ++i
) {
487 if(shader
->info
.base
.file_mask
[TGSI_FILE_SAMPLER
] & (1 << i
)) {
488 lp_sampler_static_sampler_state(&key
->state
[i
].sampler_state
,
489 lp
->samplers
[PIPE_SHADER_COMPUTE
][i
]);
494 * XXX If TGSI_FILE_SAMPLER_VIEW exists assume all texture opcodes
495 * are dx10-style? Can't really have mixed opcodes, at least not
496 * if we want to skip the holes here (without rescanning tgsi).
498 if (shader
->info
.base
.file_max
[TGSI_FILE_SAMPLER_VIEW
] != -1) {
499 key
->nr_sampler_views
= shader
->info
.base
.file_max
[TGSI_FILE_SAMPLER_VIEW
] + 1;
500 for(i
= 0; i
< key
->nr_sampler_views
; ++i
) {
502 * Note sview may exceed what's representable by file_mask.
503 * This will still work, the only downside is that not actually
504 * used views may be included in the shader key.
506 if(shader
->info
.base
.file_mask
[TGSI_FILE_SAMPLER_VIEW
] & (1u << (i
& 31))) {
507 lp_sampler_static_texture_state(&key
->state
[i
].texture_state
,
508 lp
->sampler_views
[PIPE_SHADER_COMPUTE
][i
]);
513 key
->nr_sampler_views
= key
->nr_samplers
;
514 for(i
= 0; i
< key
->nr_sampler_views
; ++i
) {
515 if(shader
->info
.base
.file_mask
[TGSI_FILE_SAMPLER
] & (1 << i
)) {
516 lp_sampler_static_texture_state(&key
->state
[i
].texture_state
,
517 lp
->sampler_views
[PIPE_SHADER_COMPUTE
][i
]);
522 key
->nr_images
= shader
->info
.base
.file_max
[TGSI_FILE_IMAGE
] + 1;
523 for (i
= 0; i
< key
->nr_images
; ++i
) {
524 if (shader
->info
.base
.file_mask
[TGSI_FILE_IMAGE
] & (1 << i
)) {
525 lp_sampler_static_texture_state_image(&key
->image_state
[i
].image_state
,
526 &lp
->images
[PIPE_SHADER_COMPUTE
][i
]);
532 dump_cs_variant_key(const struct lp_compute_shader_variant_key
*key
)
535 debug_printf("cs variant %p:\n", (void *) key
);
537 for (i
= 0; i
< key
->nr_samplers
; ++i
) {
538 const struct lp_static_sampler_state
*sampler
= &key
->state
[i
].sampler_state
;
539 debug_printf("sampler[%u] = \n", i
);
540 debug_printf(" .wrap = %s %s %s\n",
541 util_str_tex_wrap(sampler
->wrap_s
, TRUE
),
542 util_str_tex_wrap(sampler
->wrap_t
, TRUE
),
543 util_str_tex_wrap(sampler
->wrap_r
, TRUE
));
544 debug_printf(" .min_img_filter = %s\n",
545 util_str_tex_filter(sampler
->min_img_filter
, TRUE
));
546 debug_printf(" .min_mip_filter = %s\n",
547 util_str_tex_mipfilter(sampler
->min_mip_filter
, TRUE
));
548 debug_printf(" .mag_img_filter = %s\n",
549 util_str_tex_filter(sampler
->mag_img_filter
, TRUE
));
550 if (sampler
->compare_mode
!= PIPE_TEX_COMPARE_NONE
)
551 debug_printf(" .compare_func = %s\n", util_str_func(sampler
->compare_func
, TRUE
));
552 debug_printf(" .normalized_coords = %u\n", sampler
->normalized_coords
);
553 debug_printf(" .min_max_lod_equal = %u\n", sampler
->min_max_lod_equal
);
554 debug_printf(" .lod_bias_non_zero = %u\n", sampler
->lod_bias_non_zero
);
555 debug_printf(" .apply_min_lod = %u\n", sampler
->apply_min_lod
);
556 debug_printf(" .apply_max_lod = %u\n", sampler
->apply_max_lod
);
558 for (i
= 0; i
< key
->nr_sampler_views
; ++i
) {
559 const struct lp_static_texture_state
*texture
= &key
->state
[i
].texture_state
;
560 debug_printf("texture[%u] = \n", i
);
561 debug_printf(" .format = %s\n",
562 util_format_name(texture
->format
));
563 debug_printf(" .target = %s\n",
564 util_str_tex_target(texture
->target
, TRUE
));
565 debug_printf(" .level_zero_only = %u\n",
566 texture
->level_zero_only
);
567 debug_printf(" .pot = %u %u %u\n",
572 for (i
= 0; i
< key
->nr_images
; ++i
) {
573 const struct lp_static_texture_state
*image
= &key
->image_state
[i
].image_state
;
574 debug_printf("image[%u] = \n", i
);
575 debug_printf(" .format = %s\n",
576 util_format_name(image
->format
));
577 debug_printf(" .target = %s\n",
578 util_str_tex_target(image
->target
, TRUE
));
579 debug_printf(" .level_zero_only = %u\n",
580 image
->level_zero_only
);
581 debug_printf(" .pot = %u %u %u\n",
589 lp_debug_cs_variant(const struct lp_compute_shader_variant
*variant
)
591 debug_printf("llvmpipe: Compute shader #%u variant #%u:\n",
592 variant
->shader
->no
, variant
->no
);
593 tgsi_dump(variant
->shader
->base
.tokens
, 0);
594 dump_cs_variant_key(&variant
->key
);
598 static struct lp_compute_shader_variant
*
599 generate_variant(struct llvmpipe_context
*lp
,
600 struct lp_compute_shader
*shader
,
601 const struct lp_compute_shader_variant_key
*key
)
603 struct lp_compute_shader_variant
*variant
;
604 char module_name
[64];
606 variant
= CALLOC_STRUCT(lp_compute_shader_variant
);
610 snprintf(module_name
, sizeof(module_name
), "cs%u_variant%u",
611 shader
->no
, shader
->variants_created
);
613 variant
->gallivm
= gallivm_create(module_name
, lp
->context
);
614 if (!variant
->gallivm
) {
619 variant
->shader
= shader
;
620 variant
->list_item_global
.base
= variant
;
621 variant
->list_item_local
.base
= variant
;
622 variant
->no
= shader
->variants_created
++;
624 memcpy(&variant
->key
, key
, shader
->variant_key_size
);
626 if ((LP_DEBUG
& DEBUG_CS
) || (gallivm_debug
& GALLIVM_DEBUG_IR
)) {
627 lp_debug_cs_variant(variant
);
630 lp_jit_init_cs_types(variant
);
632 generate_compute(lp
, shader
, variant
);
634 gallivm_compile_module(variant
->gallivm
);
636 variant
->nr_instrs
+= lp_build_count_ir_module(variant
->gallivm
->module
);
638 variant
->jit_function
= (lp_jit_cs_func
)gallivm_jit_function(variant
->gallivm
, variant
->function
);
640 gallivm_free_ir(variant
->gallivm
);
645 lp_cs_ctx_set_cs_variant( struct lp_cs_context
*csctx
,
646 struct lp_compute_shader_variant
*variant
)
648 csctx
->cs
.current
.variant
= variant
;
652 llvmpipe_update_cs(struct llvmpipe_context
*lp
)
654 struct lp_compute_shader
*shader
= lp
->cs
;
656 struct lp_compute_shader_variant_key key
;
657 struct lp_compute_shader_variant
*variant
= NULL
;
658 struct lp_cs_variant_list_item
*li
;
660 make_variant_key(lp
, shader
, &key
);
662 /* Search the variants for one which matches the key */
663 li
= first_elem(&shader
->variants
);
664 while(!at_end(&shader
->variants
, li
)) {
665 if(memcmp(&li
->base
->key
, &key
, shader
->variant_key_size
) == 0) {
673 /* Move this variant to the head of the list to implement LRU
674 * deletion of shader's when we have too many.
676 move_to_head(&lp
->cs_variants_list
, &variant
->list_item_global
);
679 /* variant not found, create it now */
682 unsigned variants_to_cull
;
684 if (LP_DEBUG
& DEBUG_CS
) {
685 debug_printf("%u variants,\t%u instrs,\t%u instrs/variant\n",
688 lp
->nr_cs_variants
? lp
->nr_cs_instrs
/ lp
->nr_cs_variants
: 0);
691 /* First, check if we've exceeded the max number of shader variants.
692 * If so, free 6.25% of them (the least recently used ones).
694 variants_to_cull
= lp
->nr_cs_variants
>= LP_MAX_SHADER_VARIANTS
? LP_MAX_SHADER_VARIANTS
/ 16 : 0;
696 if (variants_to_cull
||
697 lp
->nr_cs_instrs
>= LP_MAX_SHADER_INSTRUCTIONS
) {
698 if (gallivm_debug
& GALLIVM_DEBUG_PERF
) {
699 debug_printf("Evicting CS: %u cs variants,\t%u total variants,"
700 "\t%u instrs,\t%u instrs/variant\n",
701 shader
->variants_cached
,
702 lp
->nr_cs_variants
, lp
->nr_cs_instrs
,
703 lp
->nr_cs_instrs
/ lp
->nr_cs_variants
);
707 * We need to re-check lp->nr_cs_variants because an arbitrarliy large
708 * number of shader variants (potentially all of them) could be
709 * pending for destruction on flush.
712 for (i
= 0; i
< variants_to_cull
|| lp
->nr_cs_instrs
>= LP_MAX_SHADER_INSTRUCTIONS
; i
++) {
713 struct lp_cs_variant_list_item
*item
;
714 if (is_empty_list(&lp
->cs_variants_list
)) {
717 item
= last_elem(&lp
->cs_variants_list
);
720 llvmpipe_remove_cs_shader_variant(lp
, item
->base
);
724 * Generate the new variant.
727 variant
= generate_variant(lp
, shader
, &key
);
730 LP_COUNT_ADD(llvm_compile_time
, dt
);
731 LP_COUNT_ADD(nr_llvm_compiles
, 2); /* emit vs. omit in/out test */
733 /* Put the new variant into the list */
735 insert_at_head(&shader
->variants
, &variant
->list_item_local
);
736 insert_at_head(&lp
->cs_variants_list
, &variant
->list_item_global
);
737 lp
->nr_cs_variants
++;
738 lp
->nr_cs_instrs
+= variant
->nr_instrs
;
739 shader
->variants_cached
++;
742 /* Bind this variant */
743 lp_cs_ctx_set_cs_variant(lp
->csctx
, variant
);
747 * Called during state validation when LP_CSNEW_SAMPLER_VIEW is set.
750 lp_csctx_set_sampler_views(struct lp_cs_context
*csctx
,
752 struct pipe_sampler_view
**views
)
754 unsigned i
, max_tex_num
;
756 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
758 assert(num
<= PIPE_MAX_SHADER_SAMPLER_VIEWS
);
760 max_tex_num
= MAX2(num
, csctx
->cs
.current_tex_num
);
762 for (i
= 0; i
< max_tex_num
; i
++) {
763 struct pipe_sampler_view
*view
= i
< num
? views
[i
] : NULL
;
766 struct pipe_resource
*res
= view
->texture
;
767 struct llvmpipe_resource
*lp_tex
= llvmpipe_resource(res
);
768 struct lp_jit_texture
*jit_tex
;
769 jit_tex
= &csctx
->cs
.current
.jit_context
.textures
[i
];
771 /* We're referencing the texture's internal data, so save a
774 pipe_resource_reference(&csctx
->cs
.current_tex
[i
], res
);
777 /* regular texture - csctx array of mipmap level offsets */
779 unsigned first_level
= 0;
780 unsigned last_level
= 0;
782 if (llvmpipe_resource_is_texture(res
)) {
783 first_level
= view
->u
.tex
.first_level
;
784 last_level
= view
->u
.tex
.last_level
;
785 assert(first_level
<= last_level
);
786 assert(last_level
<= res
->last_level
);
787 jit_tex
->base
= lp_tex
->tex_data
;
790 jit_tex
->base
= lp_tex
->data
;
792 if (LP_PERF
& PERF_TEX_MEM
) {
793 /* use dummy tile memory */
794 jit_tex
->base
= lp_dummy_tile
;
795 jit_tex
->width
= TILE_SIZE
/8;
796 jit_tex
->height
= TILE_SIZE
/8;
798 jit_tex
->first_level
= 0;
799 jit_tex
->last_level
= 0;
800 jit_tex
->mip_offsets
[0] = 0;
801 jit_tex
->row_stride
[0] = 0;
802 jit_tex
->img_stride
[0] = 0;
805 jit_tex
->width
= res
->width0
;
806 jit_tex
->height
= res
->height0
;
807 jit_tex
->depth
= res
->depth0
;
808 jit_tex
->first_level
= first_level
;
809 jit_tex
->last_level
= last_level
;
811 if (llvmpipe_resource_is_texture(res
)) {
812 for (j
= first_level
; j
<= last_level
; j
++) {
813 jit_tex
->mip_offsets
[j
] = lp_tex
->mip_offsets
[j
];
814 jit_tex
->row_stride
[j
] = lp_tex
->row_stride
[j
];
815 jit_tex
->img_stride
[j
] = lp_tex
->img_stride
[j
];
818 if (res
->target
== PIPE_TEXTURE_1D_ARRAY
||
819 res
->target
== PIPE_TEXTURE_2D_ARRAY
||
820 res
->target
== PIPE_TEXTURE_CUBE
||
821 res
->target
== PIPE_TEXTURE_CUBE_ARRAY
) {
823 * For array textures, we don't have first_layer, instead
824 * adjust last_layer (stored as depth) plus the mip level offsets
825 * (as we have mip-first layout can't just adjust base ptr).
826 * XXX For mip levels, could do something similar.
828 jit_tex
->depth
= view
->u
.tex
.last_layer
- view
->u
.tex
.first_layer
+ 1;
829 for (j
= first_level
; j
<= last_level
; j
++) {
830 jit_tex
->mip_offsets
[j
] += view
->u
.tex
.first_layer
*
831 lp_tex
->img_stride
[j
];
833 if (view
->target
== PIPE_TEXTURE_CUBE
||
834 view
->target
== PIPE_TEXTURE_CUBE_ARRAY
) {
835 assert(jit_tex
->depth
% 6 == 0);
837 assert(view
->u
.tex
.first_layer
<= view
->u
.tex
.last_layer
);
838 assert(view
->u
.tex
.last_layer
< res
->array_size
);
843 * For buffers, we don't have "offset", instead adjust
844 * the size (stored as width) plus the base pointer.
846 unsigned view_blocksize
= util_format_get_blocksize(view
->format
);
847 /* probably don't really need to fill that out */
848 jit_tex
->mip_offsets
[0] = 0;
849 jit_tex
->row_stride
[0] = 0;
850 jit_tex
->img_stride
[0] = 0;
852 /* everything specified in number of elements here. */
853 jit_tex
->width
= view
->u
.buf
.size
/ view_blocksize
;
854 jit_tex
->base
= (uint8_t *)jit_tex
->base
+ view
->u
.buf
.offset
;
855 /* XXX Unsure if we need to sanitize parameters? */
856 assert(view
->u
.buf
.offset
+ view
->u
.buf
.size
<= res
->width0
);
861 /* display target texture/surface */
863 * XXX: Where should this be unmapped?
865 struct llvmpipe_screen
*screen
= llvmpipe_screen(res
->screen
);
866 struct sw_winsys
*winsys
= screen
->winsys
;
867 jit_tex
->base
= winsys
->displaytarget_map(winsys
, lp_tex
->dt
,
869 jit_tex
->row_stride
[0] = lp_tex
->row_stride
[0];
870 jit_tex
->img_stride
[0] = lp_tex
->img_stride
[0];
871 jit_tex
->mip_offsets
[0] = 0;
872 jit_tex
->width
= res
->width0
;
873 jit_tex
->height
= res
->height0
;
874 jit_tex
->depth
= res
->depth0
;
875 jit_tex
->first_level
= jit_tex
->last_level
= 0;
876 assert(jit_tex
->base
);
880 pipe_resource_reference(&csctx
->cs
.current_tex
[i
], NULL
);
883 csctx
->cs
.current_tex_num
= num
;
888 * Called during state validation when LP_NEW_SAMPLER is set.
891 lp_csctx_set_sampler_state(struct lp_cs_context
*csctx
,
893 struct pipe_sampler_state
**samplers
)
897 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
899 assert(num
<= PIPE_MAX_SAMPLERS
);
901 for (i
= 0; i
< PIPE_MAX_SAMPLERS
; i
++) {
902 const struct pipe_sampler_state
*sampler
= i
< num
? samplers
[i
] : NULL
;
905 struct lp_jit_sampler
*jit_sam
;
906 jit_sam
= &csctx
->cs
.current
.jit_context
.samplers
[i
];
908 jit_sam
->min_lod
= sampler
->min_lod
;
909 jit_sam
->max_lod
= sampler
->max_lod
;
910 jit_sam
->lod_bias
= sampler
->lod_bias
;
911 COPY_4V(jit_sam
->border_color
, sampler
->border_color
.f
);
917 lp_csctx_set_cs_constants(struct lp_cs_context
*csctx
,
919 struct pipe_constant_buffer
*buffers
)
923 LP_DBG(DEBUG_SETUP
, "%s %p\n", __FUNCTION__
, (void *) buffers
);
925 assert(num
<= ARRAY_SIZE(csctx
->constants
));
927 for (i
= 0; i
< num
; ++i
) {
928 util_copy_constant_buffer(&csctx
->constants
[i
].current
, &buffers
[i
]);
930 for (; i
< ARRAY_SIZE(csctx
->constants
); i
++) {
931 util_copy_constant_buffer(&csctx
->constants
[i
].current
, NULL
);
936 lp_csctx_set_cs_ssbos(struct lp_cs_context
*csctx
,
938 struct pipe_shader_buffer
*buffers
)
941 LP_DBG(DEBUG_SETUP
, "%s %p\n", __FUNCTION__
, (void *)buffers
);
943 assert (num
<= ARRAY_SIZE(csctx
->ssbos
));
945 for (i
= 0; i
< num
; ++i
) {
946 util_copy_shader_buffer(&csctx
->ssbos
[i
].current
, &buffers
[i
]);
948 for (; i
< ARRAY_SIZE(csctx
->ssbos
); i
++) {
949 util_copy_shader_buffer(&csctx
->ssbos
[i
].current
, NULL
);
954 lp_csctx_set_cs_images(struct lp_cs_context
*csctx
,
956 struct pipe_image_view
*images
)
960 LP_DBG(DEBUG_SETUP
, "%s %p\n", __FUNCTION__
, (void *) images
);
962 assert(num
<= ARRAY_SIZE(csctx
->images
));
964 for (i
= 0; i
< num
; ++i
) {
965 struct pipe_image_view
*image
= &images
[i
];
966 util_copy_image_view(&csctx
->images
[i
].current
, &images
[i
]);
968 struct pipe_resource
*res
= image
->resource
;
969 struct llvmpipe_resource
*lp_res
= llvmpipe_resource(res
);
970 struct lp_jit_image
*jit_image
;
972 jit_image
= &csctx
->cs
.current
.jit_context
.images
[i
];
976 /* regular texture - csctx array of mipmap level offsets */
977 if (llvmpipe_resource_is_texture(res
)) {
978 jit_image
->base
= lp_res
->tex_data
;
980 jit_image
->base
= lp_res
->data
;
982 jit_image
->width
= res
->width0
;
983 jit_image
->height
= res
->height0
;
984 jit_image
->depth
= res
->depth0
;
986 if (llvmpipe_resource_is_texture(res
)) {
987 uint32_t mip_offset
= lp_res
->mip_offsets
[image
->u
.tex
.level
];
989 jit_image
->width
= u_minify(jit_image
->width
, image
->u
.tex
.level
);
990 jit_image
->height
= u_minify(jit_image
->height
, image
->u
.tex
.level
);
992 if (res
->target
== PIPE_TEXTURE_1D_ARRAY
||
993 res
->target
== PIPE_TEXTURE_2D_ARRAY
||
994 res
->target
== PIPE_TEXTURE_3D
||
995 res
->target
== PIPE_TEXTURE_CUBE
||
996 res
->target
== PIPE_TEXTURE_CUBE_ARRAY
) {
998 * For array textures, we don't have first_layer, instead
999 * adjust last_layer (stored as depth) plus the mip level offsets
1000 * (as we have mip-first layout can't just adjust base ptr).
1001 * XXX For mip levels, could do something similar.
1003 jit_image
->depth
= image
->u
.tex
.last_layer
- image
->u
.tex
.first_layer
+ 1;
1004 mip_offset
+= image
->u
.tex
.first_layer
* lp_res
->img_stride
[image
->u
.tex
.level
];
1006 jit_image
->depth
= u_minify(jit_image
->depth
, image
->u
.tex
.level
);
1008 jit_image
->row_stride
= lp_res
->row_stride
[image
->u
.tex
.level
];
1009 jit_image
->img_stride
= lp_res
->img_stride
[image
->u
.tex
.level
];
1010 jit_image
->base
= (uint8_t *)jit_image
->base
+ mip_offset
;
1012 unsigned view_blocksize
= util_format_get_blocksize(image
->format
);
1013 jit_image
->width
= image
->u
.buf
.size
/ view_blocksize
;
1014 jit_image
->base
= (uint8_t *)jit_image
->base
+ image
->u
.buf
.offset
;
1018 for (; i
< ARRAY_SIZE(csctx
->images
); i
++) {
1019 util_copy_image_view(&csctx
->images
[i
].current
, NULL
);
1024 update_csctx_consts(struct llvmpipe_context
*llvmpipe
)
1026 struct lp_cs_context
*csctx
= llvmpipe
->csctx
;
1029 for (i
= 0; i
< ARRAY_SIZE(csctx
->constants
); ++i
) {
1030 struct pipe_resource
*buffer
= csctx
->constants
[i
].current
.buffer
;
1031 const ubyte
*current_data
= NULL
;
1034 /* resource buffer */
1035 current_data
= (ubyte
*) llvmpipe_resource_data(buffer
);
1037 else if (csctx
->constants
[i
].current
.user_buffer
) {
1038 /* user-space buffer */
1039 current_data
= (ubyte
*) csctx
->constants
[i
].current
.user_buffer
;
1043 current_data
+= csctx
->constants
[i
].current
.buffer_offset
;
1045 csctx
->cs
.current
.jit_context
.constants
[i
] = (const float *)current_data
;
1046 csctx
->cs
.current
.jit_context
.num_constants
[i
] = csctx
->constants
[i
].current
.buffer_size
;
1048 csctx
->cs
.current
.jit_context
.constants
[i
] = NULL
;
1049 csctx
->cs
.current
.jit_context
.num_constants
[i
] = 0;
1055 update_csctx_ssbo(struct llvmpipe_context
*llvmpipe
)
1057 struct lp_cs_context
*csctx
= llvmpipe
->csctx
;
1059 for (i
= 0; i
< ARRAY_SIZE(csctx
->ssbos
); ++i
) {
1060 struct pipe_resource
*buffer
= csctx
->ssbos
[i
].current
.buffer
;
1061 const ubyte
*current_data
= NULL
;
1065 /* resource buffer */
1066 current_data
= (ubyte
*) llvmpipe_resource_data(buffer
);
1068 current_data
+= csctx
->ssbos
[i
].current
.buffer_offset
;
1070 csctx
->cs
.current
.jit_context
.ssbos
[i
] = (const uint32_t *)current_data
;
1071 csctx
->cs
.current
.jit_context
.num_ssbos
[i
] = csctx
->ssbos
[i
].current
.buffer_size
;
1073 csctx
->cs
.current
.jit_context
.ssbos
[i
] = NULL
;
1074 csctx
->cs
.current
.jit_context
.num_ssbos
[i
] = 0;
1080 llvmpipe_cs_update_derived(struct llvmpipe_context
*llvmpipe
)
1082 if (llvmpipe
->cs_dirty
& (LP_CSNEW_CS
))
1083 llvmpipe_update_cs(llvmpipe
);
1085 if (llvmpipe
->cs_dirty
& LP_CSNEW_CONSTANTS
) {
1086 lp_csctx_set_cs_constants(llvmpipe
->csctx
,
1087 ARRAY_SIZE(llvmpipe
->constants
[PIPE_SHADER_COMPUTE
]),
1088 llvmpipe
->constants
[PIPE_SHADER_COMPUTE
]);
1089 update_csctx_consts(llvmpipe
);
1092 if (llvmpipe
->cs_dirty
& LP_CSNEW_SSBOS
) {
1093 lp_csctx_set_cs_ssbos(llvmpipe
->csctx
,
1094 ARRAY_SIZE(llvmpipe
->ssbos
[PIPE_SHADER_COMPUTE
]),
1095 llvmpipe
->ssbos
[PIPE_SHADER_COMPUTE
]);
1096 update_csctx_ssbo(llvmpipe
);
1099 if (llvmpipe
->cs_dirty
& LP_CSNEW_SAMPLER_VIEW
)
1100 lp_csctx_set_sampler_views(llvmpipe
->csctx
,
1101 llvmpipe
->num_sampler_views
[PIPE_SHADER_COMPUTE
],
1102 llvmpipe
->sampler_views
[PIPE_SHADER_COMPUTE
]);
1104 if (llvmpipe
->cs_dirty
& LP_CSNEW_SAMPLER
)
1105 lp_csctx_set_sampler_state(llvmpipe
->csctx
,
1106 llvmpipe
->num_samplers
[PIPE_SHADER_COMPUTE
],
1107 llvmpipe
->samplers
[PIPE_SHADER_COMPUTE
]);
1109 if (llvmpipe
->cs_dirty
& LP_CSNEW_IMAGES
)
1110 lp_csctx_set_cs_images(llvmpipe
->csctx
,
1111 ARRAY_SIZE(llvmpipe
->images
[PIPE_SHADER_COMPUTE
]),
1112 llvmpipe
->images
[PIPE_SHADER_COMPUTE
]);
1114 llvmpipe
->cs_dirty
= 0;
1118 cs_exec_fn(void *init_data
, int iter_idx
, struct lp_cs_local_mem
*lmem
)
1120 struct lp_cs_job_info
*job_info
= init_data
;
1121 struct lp_jit_cs_thread_data thread_data
;
1123 memset(&thread_data
, 0, sizeof(thread_data
));
1125 if (lmem
->local_size
< job_info
->req_local_mem
) {
1126 lmem
->local_size
= job_info
->req_local_mem
;
1127 lmem
->local_mem_ptr
= realloc(lmem
->local_mem_ptr
, lmem
->local_size
);
1129 thread_data
.shared
= lmem
->local_mem_ptr
;
1131 unsigned grid_z
= iter_idx
/ (job_info
->grid_size
[0] * job_info
->grid_size
[1]);
1132 unsigned grid_y
= (iter_idx
- (grid_z
* (job_info
->grid_size
[0] * job_info
->grid_size
[1]))) / job_info
->grid_size
[0];
1133 unsigned grid_x
= (iter_idx
- (grid_z
* (job_info
->grid_size
[0] * job_info
->grid_size
[1])) - (grid_y
* job_info
->grid_size
[0]));
1134 struct lp_compute_shader_variant
*variant
= job_info
->current
->variant
;
1135 variant
->jit_function(&job_info
->current
->jit_context
,
1136 job_info
->block_size
[0], job_info
->block_size
[1], job_info
->block_size
[2],
1137 grid_x
, grid_y
, grid_z
,
1138 job_info
->grid_size
[0], job_info
->grid_size
[1], job_info
->grid_size
[2],
1143 fill_grid_size(struct pipe_context
*pipe
,
1144 const struct pipe_grid_info
*info
,
1145 uint32_t grid_size
[3])
1147 struct pipe_transfer
*transfer
;
1149 if (!info
->indirect
) {
1150 grid_size
[0] = info
->grid
[0];
1151 grid_size
[1] = info
->grid
[1];
1152 grid_size
[2] = info
->grid
[2];
1155 params
= pipe_buffer_map_range(pipe
, info
->indirect
,
1156 info
->indirect_offset
,
1157 3 * sizeof(uint32_t),
1164 grid_size
[0] = params
[0];
1165 grid_size
[1] = params
[1];
1166 grid_size
[2] = params
[2];
1167 pipe_buffer_unmap(pipe
, transfer
);
1170 static void llvmpipe_launch_grid(struct pipe_context
*pipe
,
1171 const struct pipe_grid_info
*info
)
1173 struct llvmpipe_context
*llvmpipe
= llvmpipe_context(pipe
);
1174 struct llvmpipe_screen
*screen
= llvmpipe_screen(pipe
->screen
);
1175 struct lp_cs_job_info job_info
;
1177 memset(&job_info
, 0, sizeof(job_info
));
1179 llvmpipe_cs_update_derived(llvmpipe
);
1181 fill_grid_size(pipe
, info
, job_info
.grid_size
);
1183 job_info
.block_size
[0] = info
->block
[0];
1184 job_info
.block_size
[1] = info
->block
[1];
1185 job_info
.block_size
[2] = info
->block
[2];
1186 job_info
.req_local_mem
= llvmpipe
->cs
->req_local_mem
;
1187 job_info
.current
= &llvmpipe
->csctx
->cs
.current
;
1189 int num_tasks
= job_info
.grid_size
[2] * job_info
.grid_size
[1] * job_info
.grid_size
[0];
1191 struct lp_cs_tpool_task
*task
;
1192 mtx_lock(&screen
->cs_mutex
);
1193 task
= lp_cs_tpool_queue_task(screen
->cs_tpool
, cs_exec_fn
, &job_info
, num_tasks
);
1195 lp_cs_tpool_wait_for_task(screen
->cs_tpool
, &task
);
1196 mtx_unlock(&screen
->cs_mutex
);
1198 llvmpipe
->pipeline_statistics
.cs_invocations
+= num_tasks
* info
->block
[0] * info
->block
[1] * info
->block
[2];
1202 llvmpipe_init_compute_funcs(struct llvmpipe_context
*llvmpipe
)
1204 llvmpipe
->pipe
.create_compute_state
= llvmpipe_create_compute_state
;
1205 llvmpipe
->pipe
.bind_compute_state
= llvmpipe_bind_compute_state
;
1206 llvmpipe
->pipe
.delete_compute_state
= llvmpipe_delete_compute_state
;
1207 llvmpipe
->pipe
.launch_grid
= llvmpipe_launch_grid
;
1211 lp_csctx_destroy(struct lp_cs_context
*csctx
)
1214 for (i
= 0; i
< ARRAY_SIZE(csctx
->cs
.current_tex
); i
++) {
1215 pipe_resource_reference(&csctx
->cs
.current_tex
[i
], NULL
);
1217 for (i
= 0; i
< ARRAY_SIZE(csctx
->constants
); i
++) {
1218 pipe_resource_reference(&csctx
->constants
[i
].current
.buffer
, NULL
);
1220 for (i
= 0; i
< ARRAY_SIZE(csctx
->ssbos
); i
++) {
1221 pipe_resource_reference(&csctx
->ssbos
[i
].current
.buffer
, NULL
);
1226 struct lp_cs_context
*lp_csctx_create(struct pipe_context
*pipe
)
1228 struct lp_cs_context
*csctx
;
1230 csctx
= CALLOC_STRUCT(lp_cs_context
);