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 "gallivm/lp_bld_nir.h"
39 #include "lp_state_cs.h"
40 #include "lp_context.h"
44 #include "lp_screen.h"
45 #include "lp_memory.h"
46 #include "lp_cs_tpool.h"
47 #include "frontend/sw_winsys.h"
48 #include "nir/nir_to_tgsi_info.h"
49 #include "nir_serialize.h"
51 /** Fragment shader number (for debugging) */
52 static unsigned cs_no
= 0;
54 struct lp_cs_job_info
{
55 unsigned grid_size
[3];
56 unsigned block_size
[3];
57 unsigned req_local_mem
;
59 struct lp_cs_exec
*current
;
63 generate_compute(struct llvmpipe_context
*lp
,
64 struct lp_compute_shader
*shader
,
65 struct lp_compute_shader_variant
*variant
)
67 struct gallivm_state
*gallivm
= variant
->gallivm
;
68 const struct lp_compute_shader_variant_key
*key
= &variant
->key
;
69 char func_name
[64], func_name_coro
[64];
70 LLVMTypeRef arg_types
[17];
71 LLVMTypeRef func_type
, coro_func_type
;
72 LLVMTypeRef int32_type
= LLVMInt32TypeInContext(gallivm
->context
);
73 LLVMValueRef context_ptr
;
74 LLVMValueRef x_size_arg
, y_size_arg
, z_size_arg
;
75 LLVMValueRef grid_x_arg
, grid_y_arg
, grid_z_arg
;
76 LLVMValueRef grid_size_x_arg
, grid_size_y_arg
, grid_size_z_arg
;
77 LLVMValueRef work_dim_arg
, thread_data_ptr
;
78 LLVMBasicBlockRef block
;
79 LLVMBuilderRef builder
;
80 struct lp_build_sampler_soa
*sampler
;
81 struct lp_build_image_soa
*image
;
82 LLVMValueRef function
, coro
;
83 struct lp_type cs_type
;
87 * This function has two parts
88 * a) setup the coroutine execution environment loop.
89 * b) build the compute shader llvm for use inside the coroutine.
91 assert(lp_native_vector_width
/ 32 >= 4);
93 memset(&cs_type
, 0, sizeof cs_type
);
94 cs_type
.floating
= TRUE
; /* floating point values */
95 cs_type
.sign
= TRUE
; /* values are signed */
96 cs_type
.norm
= FALSE
; /* values are not limited to [0,1] or [-1,1] */
97 cs_type
.width
= 32; /* 32-bit float */
98 cs_type
.length
= MIN2(lp_native_vector_width
/ 32, 16); /* n*4 elements per vector */
99 snprintf(func_name
, sizeof(func_name
), "cs_variant");
101 snprintf(func_name_coro
, sizeof(func_name
), "cs_co_variant");
103 arg_types
[0] = variant
->jit_cs_context_ptr_type
; /* context */
104 arg_types
[1] = int32_type
; /* block_x_size */
105 arg_types
[2] = int32_type
; /* block_y_size */
106 arg_types
[3] = int32_type
; /* block_z_size */
107 arg_types
[4] = int32_type
; /* grid_x */
108 arg_types
[5] = int32_type
; /* grid_y */
109 arg_types
[6] = int32_type
; /* grid_z */
110 arg_types
[7] = int32_type
; /* grid_size_x */
111 arg_types
[8] = int32_type
; /* grid_size_y */
112 arg_types
[9] = int32_type
; /* grid_size_z */
113 arg_types
[10] = int32_type
; /* work dim */
114 arg_types
[11] = variant
->jit_cs_thread_data_ptr_type
; /* per thread data */
115 arg_types
[12] = int32_type
; /* coro only - num X loops */
116 arg_types
[13] = int32_type
; /* coro only - partials */
117 arg_types
[14] = int32_type
; /* coro block_x_size */
118 arg_types
[15] = int32_type
; /* coro block_y_size */
119 arg_types
[16] = int32_type
; /* coro block_z_size */
120 func_type
= LLVMFunctionType(LLVMVoidTypeInContext(gallivm
->context
),
121 arg_types
, ARRAY_SIZE(arg_types
) - 5, 0);
123 coro_func_type
= LLVMFunctionType(LLVMPointerType(LLVMInt8TypeInContext(gallivm
->context
), 0),
124 arg_types
, ARRAY_SIZE(arg_types
), 0);
126 function
= LLVMAddFunction(gallivm
->module
, func_name
, func_type
);
127 LLVMSetFunctionCallConv(function
, LLVMCCallConv
);
129 coro
= LLVMAddFunction(gallivm
->module
, func_name_coro
, coro_func_type
);
130 LLVMSetFunctionCallConv(coro
, LLVMCCallConv
);
132 variant
->function
= function
;
134 for(i
= 0; i
< ARRAY_SIZE(arg_types
); ++i
) {
135 if(LLVMGetTypeKind(arg_types
[i
]) == LLVMPointerTypeKind
) {
136 lp_add_function_attr(coro
, i
+ 1, LP_FUNC_ATTR_NOALIAS
);
137 lp_add_function_attr(function
, i
+ 1, LP_FUNC_ATTR_NOALIAS
);
141 context_ptr
= LLVMGetParam(function
, 0);
142 x_size_arg
= LLVMGetParam(function
, 1);
143 y_size_arg
= LLVMGetParam(function
, 2);
144 z_size_arg
= LLVMGetParam(function
, 3);
145 grid_x_arg
= LLVMGetParam(function
, 4);
146 grid_y_arg
= LLVMGetParam(function
, 5);
147 grid_z_arg
= LLVMGetParam(function
, 6);
148 grid_size_x_arg
= LLVMGetParam(function
, 7);
149 grid_size_y_arg
= LLVMGetParam(function
, 8);
150 grid_size_z_arg
= LLVMGetParam(function
, 9);
151 work_dim_arg
= LLVMGetParam(function
, 10);
152 thread_data_ptr
= LLVMGetParam(function
, 11);
154 lp_build_name(context_ptr
, "context");
155 lp_build_name(x_size_arg
, "x_size");
156 lp_build_name(y_size_arg
, "y_size");
157 lp_build_name(z_size_arg
, "z_size");
158 lp_build_name(grid_x_arg
, "grid_x");
159 lp_build_name(grid_y_arg
, "grid_y");
160 lp_build_name(grid_z_arg
, "grid_z");
161 lp_build_name(grid_size_x_arg
, "grid_size_x");
162 lp_build_name(grid_size_y_arg
, "grid_size_y");
163 lp_build_name(grid_size_z_arg
, "grid_size_z");
164 lp_build_name(work_dim_arg
, "work_dim");
165 lp_build_name(thread_data_ptr
, "thread_data");
167 block
= LLVMAppendBasicBlockInContext(gallivm
->context
, function
, "entry");
168 builder
= gallivm
->builder
;
170 LLVMPositionBuilderAtEnd(builder
, block
);
171 sampler
= lp_llvm_sampler_soa_create(key
->samplers
);
172 image
= lp_llvm_image_soa_create(lp_cs_variant_key_images(key
));
174 struct lp_build_loop_state loop_state
[4];
175 LLVMValueRef num_x_loop
;
176 LLVMValueRef vec_length
= lp_build_const_int32(gallivm
, cs_type
.length
);
177 num_x_loop
= LLVMBuildAdd(gallivm
->builder
, x_size_arg
, vec_length
, "");
178 num_x_loop
= LLVMBuildSub(gallivm
->builder
, num_x_loop
, lp_build_const_int32(gallivm
, 1), "");
179 num_x_loop
= LLVMBuildUDiv(gallivm
->builder
, num_x_loop
, vec_length
, "");
180 LLVMValueRef partials
= LLVMBuildURem(gallivm
->builder
, x_size_arg
, vec_length
, "");
182 LLVMValueRef coro_num_hdls
= LLVMBuildMul(gallivm
->builder
, num_x_loop
, y_size_arg
, "");
183 coro_num_hdls
= LLVMBuildMul(gallivm
->builder
, coro_num_hdls
, z_size_arg
, "");
185 LLVMTypeRef hdl_ptr_type
= LLVMPointerType(LLVMInt8TypeInContext(gallivm
->context
), 0);
186 LLVMValueRef coro_hdls
= LLVMBuildArrayAlloca(gallivm
->builder
, hdl_ptr_type
, coro_num_hdls
, "coro_hdls");
188 unsigned end_coroutine
= INT_MAX
;
191 * This is the main coroutine execution loop. It iterates over the dimensions
192 * and calls the coroutine main entrypoint on the first pass, but in subsequent
193 * passes it checks if the coroutine has completed and resumes it if not.
195 /* take x_width - round up to type.length width */
196 lp_build_loop_begin(&loop_state
[3], gallivm
,
197 lp_build_const_int32(gallivm
, 0)); /* coroutine reentry loop */
198 lp_build_loop_begin(&loop_state
[2], gallivm
,
199 lp_build_const_int32(gallivm
, 0)); /* z loop */
200 lp_build_loop_begin(&loop_state
[1], gallivm
,
201 lp_build_const_int32(gallivm
, 0)); /* y loop */
202 lp_build_loop_begin(&loop_state
[0], gallivm
,
203 lp_build_const_int32(gallivm
, 0)); /* x loop */
205 LLVMValueRef args
[17];
206 args
[0] = context_ptr
;
207 args
[1] = loop_state
[0].counter
;
208 args
[2] = loop_state
[1].counter
;
209 args
[3] = loop_state
[2].counter
;
210 args
[4] = grid_x_arg
;
211 args
[5] = grid_y_arg
;
212 args
[6] = grid_z_arg
;
213 args
[7] = grid_size_x_arg
;
214 args
[8] = grid_size_y_arg
;
215 args
[9] = grid_size_z_arg
;
216 args
[10] = work_dim_arg
;
217 args
[11] = thread_data_ptr
;
218 args
[12] = num_x_loop
;
220 args
[14] = x_size_arg
;
221 args
[15] = y_size_arg
;
222 args
[16] = z_size_arg
;
224 /* idx = (z * (size_x * size_y) + y * size_x + x */
225 LLVMValueRef coro_hdl_idx
= LLVMBuildMul(gallivm
->builder
, loop_state
[2].counter
,
226 LLVMBuildMul(gallivm
->builder
, num_x_loop
, y_size_arg
, ""), "");
227 coro_hdl_idx
= LLVMBuildAdd(gallivm
->builder
, coro_hdl_idx
,
228 LLVMBuildMul(gallivm
->builder
, loop_state
[1].counter
,
229 num_x_loop
, ""), "");
230 coro_hdl_idx
= LLVMBuildAdd(gallivm
->builder
, coro_hdl_idx
,
231 loop_state
[0].counter
, "");
233 LLVMValueRef coro_entry
= LLVMBuildGEP(gallivm
->builder
, coro_hdls
, &coro_hdl_idx
, 1, "");
235 LLVMValueRef coro_hdl
= LLVMBuildLoad(gallivm
->builder
, coro_entry
, "coro_hdl");
237 struct lp_build_if_state ifstate
;
238 LLVMValueRef cmp
= LLVMBuildICmp(gallivm
->builder
, LLVMIntEQ
, loop_state
[3].counter
,
239 lp_build_const_int32(gallivm
, 0), "");
240 /* first time here - call the coroutine function entry point */
241 lp_build_if(&ifstate
, gallivm
, cmp
);
242 LLVMValueRef coro_ret
= LLVMBuildCall(gallivm
->builder
, coro
, args
, 17, "");
243 LLVMBuildStore(gallivm
->builder
, coro_ret
, coro_entry
);
244 lp_build_else(&ifstate
);
245 /* subsequent calls for this invocation - check if done. */
246 LLVMValueRef coro_done
= lp_build_coro_done(gallivm
, coro_hdl
);
247 struct lp_build_if_state ifstate2
;
248 lp_build_if(&ifstate2
, gallivm
, coro_done
);
249 /* if done destroy and force loop exit */
250 lp_build_coro_destroy(gallivm
, coro_hdl
);
251 lp_build_loop_force_set_counter(&loop_state
[3], lp_build_const_int32(gallivm
, end_coroutine
- 1));
252 lp_build_else(&ifstate2
);
253 /* otherwise resume the coroutine */
254 lp_build_coro_resume(gallivm
, coro_hdl
);
255 lp_build_endif(&ifstate2
);
256 lp_build_endif(&ifstate
);
257 lp_build_loop_force_reload_counter(&loop_state
[3]);
259 lp_build_loop_end_cond(&loop_state
[0],
262 lp_build_loop_end_cond(&loop_state
[1],
265 lp_build_loop_end_cond(&loop_state
[2],
268 lp_build_loop_end_cond(&loop_state
[3],
269 lp_build_const_int32(gallivm
, end_coroutine
),
271 LLVMBuildRetVoid(builder
);
273 /* This is stage (b) - generate the compute shader code inside the coroutine. */
274 LLVMValueRef block_x_size_arg
, block_y_size_arg
, block_z_size_arg
;
275 context_ptr
= LLVMGetParam(coro
, 0);
276 x_size_arg
= LLVMGetParam(coro
, 1);
277 y_size_arg
= LLVMGetParam(coro
, 2);
278 z_size_arg
= LLVMGetParam(coro
, 3);
279 grid_x_arg
= LLVMGetParam(coro
, 4);
280 grid_y_arg
= LLVMGetParam(coro
, 5);
281 grid_z_arg
= LLVMGetParam(coro
, 6);
282 grid_size_x_arg
= LLVMGetParam(coro
, 7);
283 grid_size_y_arg
= LLVMGetParam(coro
, 8);
284 grid_size_z_arg
= LLVMGetParam(coro
, 9);
285 work_dim_arg
= LLVMGetParam(coro
, 10);
286 thread_data_ptr
= LLVMGetParam(coro
, 11);
287 num_x_loop
= LLVMGetParam(coro
, 12);
288 partials
= LLVMGetParam(coro
, 13);
289 block_x_size_arg
= LLVMGetParam(coro
, 14);
290 block_y_size_arg
= LLVMGetParam(coro
, 15);
291 block_z_size_arg
= LLVMGetParam(coro
, 16);
292 block
= LLVMAppendBasicBlockInContext(gallivm
->context
, coro
, "entry");
293 LLVMPositionBuilderAtEnd(builder
, block
);
295 LLVMValueRef consts_ptr
, num_consts_ptr
;
296 LLVMValueRef ssbo_ptr
, num_ssbo_ptr
;
297 LLVMValueRef shared_ptr
;
298 LLVMValueRef kernel_args_ptr
;
299 struct lp_build_mask_context mask
;
300 struct lp_bld_tgsi_system_values system_values
;
302 memset(&system_values
, 0, sizeof(system_values
));
303 consts_ptr
= lp_jit_cs_context_constants(gallivm
, context_ptr
);
304 num_consts_ptr
= lp_jit_cs_context_num_constants(gallivm
, context_ptr
);
305 ssbo_ptr
= lp_jit_cs_context_ssbos(gallivm
, context_ptr
);
306 num_ssbo_ptr
= lp_jit_cs_context_num_ssbos(gallivm
, context_ptr
);
307 kernel_args_ptr
= lp_jit_cs_context_kernel_args(gallivm
, context_ptr
);
309 shared_ptr
= lp_jit_cs_thread_data_shared(gallivm
, thread_data_ptr
);
311 /* these are coroutine entrypoint necessities */
312 LLVMValueRef coro_id
= lp_build_coro_id(gallivm
);
313 LLVMValueRef coro_hdl
= lp_build_coro_begin_alloc_mem(gallivm
, coro_id
);
315 LLVMValueRef has_partials
= LLVMBuildICmp(gallivm
->builder
, LLVMIntNE
, partials
, lp_build_const_int32(gallivm
, 0), "");
316 LLVMValueRef tid_vals
[3];
317 LLVMValueRef tids_x
[LP_MAX_VECTOR_LENGTH
], tids_y
[LP_MAX_VECTOR_LENGTH
], tids_z
[LP_MAX_VECTOR_LENGTH
];
318 LLVMValueRef base_val
= LLVMBuildMul(gallivm
->builder
, x_size_arg
, vec_length
, "");
319 for (i
= 0; i
< cs_type
.length
; i
++) {
320 tids_x
[i
] = LLVMBuildAdd(gallivm
->builder
, base_val
, lp_build_const_int32(gallivm
, i
), "");
321 tids_y
[i
] = y_size_arg
;
322 tids_z
[i
] = z_size_arg
;
324 tid_vals
[0] = lp_build_gather_values(gallivm
, tids_x
, cs_type
.length
);
325 tid_vals
[1] = lp_build_gather_values(gallivm
, tids_y
, cs_type
.length
);
326 tid_vals
[2] = lp_build_gather_values(gallivm
, tids_z
, cs_type
.length
);
327 system_values
.thread_id
= LLVMGetUndef(LLVMArrayType(LLVMVectorType(int32_type
, cs_type
.length
), 3));
328 for (i
= 0; i
< 3; i
++)
329 system_values
.thread_id
= LLVMBuildInsertValue(builder
, system_values
.thread_id
, tid_vals
[i
], i
, "");
331 LLVMValueRef gtids
[3] = { grid_x_arg
, grid_y_arg
, grid_z_arg
};
332 system_values
.block_id
= LLVMGetUndef(LLVMVectorType(int32_type
, 3));
333 for (i
= 0; i
< 3; i
++)
334 system_values
.block_id
= LLVMBuildInsertElement(builder
, system_values
.block_id
, gtids
[i
], lp_build_const_int32(gallivm
, i
), "");
336 LLVMValueRef gstids
[3] = { grid_size_x_arg
, grid_size_y_arg
, grid_size_z_arg
};
337 system_values
.grid_size
= LLVMGetUndef(LLVMVectorType(int32_type
, 3));
338 for (i
= 0; i
< 3; i
++)
339 system_values
.grid_size
= LLVMBuildInsertElement(builder
, system_values
.grid_size
, gstids
[i
], lp_build_const_int32(gallivm
, i
), "");
341 system_values
.work_dim
= work_dim_arg
;
343 LLVMValueRef bsize
[3] = { block_x_size_arg
, block_y_size_arg
, block_z_size_arg
};
344 system_values
.block_size
= LLVMGetUndef(LLVMVectorType(int32_type
, 3));
345 for (i
= 0; i
< 3; i
++)
346 system_values
.block_size
= LLVMBuildInsertElement(builder
, system_values
.block_size
, bsize
[i
], lp_build_const_int32(gallivm
, i
), "");
348 LLVMValueRef last_x_loop
= LLVMBuildICmp(gallivm
->builder
, LLVMIntEQ
, x_size_arg
, LLVMBuildSub(gallivm
->builder
, num_x_loop
, lp_build_const_int32(gallivm
, 1), ""), "");
349 LLVMValueRef use_partial_mask
= LLVMBuildAnd(gallivm
->builder
, last_x_loop
, has_partials
, "");
350 struct lp_build_if_state if_state
;
351 LLVMValueRef mask_val
= lp_build_alloca(gallivm
, LLVMVectorType(int32_type
, cs_type
.length
), "mask");
352 LLVMValueRef full_mask_val
= lp_build_const_int_vec(gallivm
, cs_type
, ~0);
353 LLVMBuildStore(gallivm
->builder
, full_mask_val
, mask_val
);
355 lp_build_if(&if_state
, gallivm
, use_partial_mask
);
356 struct lp_build_loop_state mask_loop_state
;
357 lp_build_loop_begin(&mask_loop_state
, gallivm
, partials
);
358 LLVMValueRef tmask_val
= LLVMBuildLoad(gallivm
->builder
, mask_val
, "");
359 tmask_val
= LLVMBuildInsertElement(gallivm
->builder
, tmask_val
, lp_build_const_int32(gallivm
, 0), mask_loop_state
.counter
, "");
360 LLVMBuildStore(gallivm
->builder
, tmask_val
, mask_val
);
361 lp_build_loop_end_cond(&mask_loop_state
, vec_length
, NULL
, LLVMIntUGE
);
362 lp_build_endif(&if_state
);
364 mask_val
= LLVMBuildLoad(gallivm
->builder
, mask_val
, "");
365 lp_build_mask_begin(&mask
, gallivm
, cs_type
, mask_val
);
367 struct lp_build_coro_suspend_info coro_info
;
369 LLVMBasicBlockRef sus_block
= LLVMAppendBasicBlockInContext(gallivm
->context
, coro
, "suspend");
370 LLVMBasicBlockRef clean_block
= LLVMAppendBasicBlockInContext(gallivm
->context
, coro
, "cleanup");
372 coro_info
.suspend
= sus_block
;
373 coro_info
.cleanup
= clean_block
;
375 struct lp_build_tgsi_params params
;
376 memset(¶ms
, 0, sizeof(params
));
378 params
.type
= cs_type
;
380 params
.consts_ptr
= consts_ptr
;
381 params
.const_sizes_ptr
= num_consts_ptr
;
382 params
.system_values
= &system_values
;
383 params
.context_ptr
= context_ptr
;
384 params
.sampler
= sampler
;
385 params
.info
= &shader
->info
.base
;
386 params
.ssbo_ptr
= ssbo_ptr
;
387 params
.ssbo_sizes_ptr
= num_ssbo_ptr
;
388 params
.image
= image
;
389 params
.shared_ptr
= shared_ptr
;
390 params
.coro
= &coro_info
;
391 params
.kernel_args
= kernel_args_ptr
;
393 if (shader
->base
.type
== PIPE_SHADER_IR_TGSI
)
394 lp_build_tgsi_soa(gallivm
, shader
->base
.tokens
, ¶ms
, NULL
);
396 lp_build_nir_soa(gallivm
, shader
->base
.ir
.nir
, ¶ms
,
399 mask_val
= lp_build_mask_end(&mask
);
401 lp_build_coro_suspend_switch(gallivm
, &coro_info
, NULL
, true);
402 LLVMPositionBuilderAtEnd(builder
, clean_block
);
404 lp_build_coro_free_mem(gallivm
, coro_id
, coro_hdl
);
406 LLVMBuildBr(builder
, sus_block
);
407 LLVMPositionBuilderAtEnd(builder
, sus_block
);
409 lp_build_coro_end(gallivm
, coro_hdl
);
410 LLVMBuildRet(builder
, coro_hdl
);
413 sampler
->destroy(sampler
);
414 image
->destroy(image
);
416 gallivm_verify_function(gallivm
, coro
);
417 gallivm_verify_function(gallivm
, function
);
421 llvmpipe_create_compute_state(struct pipe_context
*pipe
,
422 const struct pipe_compute_state
*templ
)
424 struct lp_compute_shader
*shader
;
425 int nr_samplers
, nr_sampler_views
;
427 shader
= CALLOC_STRUCT(lp_compute_shader
);
431 shader
->no
= cs_no
++;
433 shader
->base
.type
= templ
->ir_type
;
434 if (templ
->ir_type
== PIPE_SHADER_IR_NIR_SERIALIZED
) {
435 struct blob_reader reader
;
436 const struct pipe_binary_program_header
*hdr
= templ
->prog
;
438 blob_reader_init(&reader
, hdr
->blob
, hdr
->num_bytes
);
439 shader
->base
.ir
.nir
= nir_deserialize(NULL
, pipe
->screen
->get_compiler_options(pipe
->screen
, PIPE_SHADER_IR_NIR
, PIPE_SHADER_COMPUTE
), &reader
);
440 shader
->base
.type
= PIPE_SHADER_IR_NIR
;
442 pipe
->screen
->finalize_nir(pipe
->screen
, shader
->base
.ir
.nir
, false);
443 } else if (templ
->ir_type
== PIPE_SHADER_IR_NIR
)
444 shader
->base
.ir
.nir
= (struct nir_shader
*)templ
->prog
;
446 if (shader
->base
.type
== PIPE_SHADER_IR_TGSI
) {
447 /* get/save the summary info for this shader */
448 lp_build_tgsi_info(templ
->prog
, &shader
->info
);
450 /* we need to keep a local copy of the tokens */
451 shader
->base
.tokens
= tgsi_dup_tokens(templ
->prog
);
453 nir_tgsi_scan_shader(shader
->base
.ir
.nir
, &shader
->info
.base
, false);
456 shader
->req_local_mem
= templ
->req_local_mem
;
457 make_empty_list(&shader
->variants
);
459 nr_samplers
= shader
->info
.base
.file_max
[TGSI_FILE_SAMPLER
] + 1;
460 nr_sampler_views
= shader
->info
.base
.file_max
[TGSI_FILE_SAMPLER_VIEW
] + 1;
461 int nr_images
= shader
->info
.base
.file_max
[TGSI_FILE_IMAGE
] + 1;
462 shader
->variant_key_size
= lp_cs_variant_key_size(MAX2(nr_samplers
, nr_sampler_views
), nr_images
);
468 llvmpipe_bind_compute_state(struct pipe_context
*pipe
,
471 struct llvmpipe_context
*llvmpipe
= llvmpipe_context(pipe
);
473 if (llvmpipe
->cs
== cs
)
476 llvmpipe
->cs
= (struct lp_compute_shader
*)cs
;
477 llvmpipe
->cs_dirty
|= LP_CSNEW_CS
;
481 * Remove shader variant from two lists: the shader's variant list
482 * and the context's variant list.
485 llvmpipe_remove_cs_shader_variant(struct llvmpipe_context
*lp
,
486 struct lp_compute_shader_variant
*variant
)
488 if ((LP_DEBUG
& DEBUG_CS
) || (gallivm_debug
& GALLIVM_DEBUG_IR
)) {
489 debug_printf("llvmpipe: del cs #%u var %u v created %u v cached %u "
490 "v total cached %u inst %u total inst %u\n",
491 variant
->shader
->no
, variant
->no
,
492 variant
->shader
->variants_created
,
493 variant
->shader
->variants_cached
,
494 lp
->nr_cs_variants
, variant
->nr_instrs
, lp
->nr_cs_instrs
);
497 gallivm_destroy(variant
->gallivm
);
499 /* remove from shader's list */
500 remove_from_list(&variant
->list_item_local
);
501 variant
->shader
->variants_cached
--;
503 /* remove from context's list */
504 remove_from_list(&variant
->list_item_global
);
505 lp
->nr_fs_variants
--;
506 lp
->nr_fs_instrs
-= variant
->nr_instrs
;
512 llvmpipe_delete_compute_state(struct pipe_context
*pipe
,
515 struct llvmpipe_context
*llvmpipe
= llvmpipe_context(pipe
);
516 struct lp_compute_shader
*shader
= cs
;
517 struct lp_cs_variant_list_item
*li
;
519 if (llvmpipe
->cs
== cs
)
521 for (unsigned i
= 0; i
< shader
->max_global_buffers
; i
++)
522 pipe_resource_reference(&shader
->global_buffers
[i
], NULL
);
523 FREE(shader
->global_buffers
);
525 /* Delete all the variants */
526 li
= first_elem(&shader
->variants
);
527 while(!at_end(&shader
->variants
, li
)) {
528 struct lp_cs_variant_list_item
*next
= next_elem(li
);
529 llvmpipe_remove_cs_shader_variant(llvmpipe
, li
->base
);
532 if (shader
->base
.ir
.nir
)
533 ralloc_free(shader
->base
.ir
.nir
);
534 tgsi_free_tokens(shader
->base
.tokens
);
538 static struct lp_compute_shader_variant_key
*
539 make_variant_key(struct llvmpipe_context
*lp
,
540 struct lp_compute_shader
*shader
,
544 struct lp_compute_shader_variant_key
*key
;
545 key
= (struct lp_compute_shader_variant_key
*)store
;
546 memset(key
, 0, offsetof(struct lp_compute_shader_variant_key
, samplers
[1]));
548 /* This value will be the same for all the variants of a given shader:
550 key
->nr_samplers
= shader
->info
.base
.file_max
[TGSI_FILE_SAMPLER
] + 1;
552 struct lp_sampler_static_state
*cs_sampler
;
554 cs_sampler
= key
->samplers
;
555 for(i
= 0; i
< key
->nr_samplers
; ++i
) {
556 if(shader
->info
.base
.file_mask
[TGSI_FILE_SAMPLER
] & (1 << i
)) {
557 lp_sampler_static_sampler_state(&cs_sampler
[i
].sampler_state
,
558 lp
->samplers
[PIPE_SHADER_COMPUTE
][i
]);
563 * XXX If TGSI_FILE_SAMPLER_VIEW exists assume all texture opcodes
564 * are dx10-style? Can't really have mixed opcodes, at least not
565 * if we want to skip the holes here (without rescanning tgsi).
567 if (shader
->info
.base
.file_max
[TGSI_FILE_SAMPLER_VIEW
] != -1) {
568 key
->nr_sampler_views
= shader
->info
.base
.file_max
[TGSI_FILE_SAMPLER_VIEW
] + 1;
569 for(i
= 0; i
< key
->nr_sampler_views
; ++i
) {
571 * Note sview may exceed what's representable by file_mask.
572 * This will still work, the only downside is that not actually
573 * used views may be included in the shader key.
575 if(shader
->info
.base
.file_mask
[TGSI_FILE_SAMPLER_VIEW
] & (1u << (i
& 31))) {
576 lp_sampler_static_texture_state(&cs_sampler
[i
].texture_state
,
577 lp
->sampler_views
[PIPE_SHADER_COMPUTE
][i
]);
582 key
->nr_sampler_views
= key
->nr_samplers
;
583 for(i
= 0; i
< key
->nr_sampler_views
; ++i
) {
584 if(shader
->info
.base
.file_mask
[TGSI_FILE_SAMPLER
] & (1 << i
)) {
585 lp_sampler_static_texture_state(&cs_sampler
[i
].texture_state
,
586 lp
->sampler_views
[PIPE_SHADER_COMPUTE
][i
]);
591 struct lp_image_static_state
*lp_image
;
592 lp_image
= lp_cs_variant_key_images(key
);
593 key
->nr_images
= shader
->info
.base
.file_max
[TGSI_FILE_IMAGE
] + 1;
594 for (i
= 0; i
< key
->nr_images
; ++i
) {
595 if (shader
->info
.base
.file_mask
[TGSI_FILE_IMAGE
] & (1 << i
)) {
596 lp_sampler_static_texture_state_image(&lp_image
[i
].image_state
,
597 &lp
->images
[PIPE_SHADER_COMPUTE
][i
]);
604 dump_cs_variant_key(const struct lp_compute_shader_variant_key
*key
)
607 debug_printf("cs variant %p:\n", (void *) key
);
609 for (i
= 0; i
< key
->nr_samplers
; ++i
) {
610 const struct lp_static_sampler_state
*sampler
= &key
->samplers
[i
].sampler_state
;
611 debug_printf("sampler[%u] = \n", i
);
612 debug_printf(" .wrap = %s %s %s\n",
613 util_str_tex_wrap(sampler
->wrap_s
, TRUE
),
614 util_str_tex_wrap(sampler
->wrap_t
, TRUE
),
615 util_str_tex_wrap(sampler
->wrap_r
, TRUE
));
616 debug_printf(" .min_img_filter = %s\n",
617 util_str_tex_filter(sampler
->min_img_filter
, TRUE
));
618 debug_printf(" .min_mip_filter = %s\n",
619 util_str_tex_mipfilter(sampler
->min_mip_filter
, TRUE
));
620 debug_printf(" .mag_img_filter = %s\n",
621 util_str_tex_filter(sampler
->mag_img_filter
, TRUE
));
622 if (sampler
->compare_mode
!= PIPE_TEX_COMPARE_NONE
)
623 debug_printf(" .compare_func = %s\n", util_str_func(sampler
->compare_func
, TRUE
));
624 debug_printf(" .normalized_coords = %u\n", sampler
->normalized_coords
);
625 debug_printf(" .min_max_lod_equal = %u\n", sampler
->min_max_lod_equal
);
626 debug_printf(" .lod_bias_non_zero = %u\n", sampler
->lod_bias_non_zero
);
627 debug_printf(" .apply_min_lod = %u\n", sampler
->apply_min_lod
);
628 debug_printf(" .apply_max_lod = %u\n", sampler
->apply_max_lod
);
630 for (i
= 0; i
< key
->nr_sampler_views
; ++i
) {
631 const struct lp_static_texture_state
*texture
= &key
->samplers
[i
].texture_state
;
632 debug_printf("texture[%u] = \n", i
);
633 debug_printf(" .format = %s\n",
634 util_format_name(texture
->format
));
635 debug_printf(" .target = %s\n",
636 util_str_tex_target(texture
->target
, TRUE
));
637 debug_printf(" .level_zero_only = %u\n",
638 texture
->level_zero_only
);
639 debug_printf(" .pot = %u %u %u\n",
644 struct lp_image_static_state
*images
= lp_cs_variant_key_images(key
);
645 for (i
= 0; i
< key
->nr_images
; ++i
) {
646 const struct lp_static_texture_state
*image
= &images
[i
].image_state
;
647 debug_printf("image[%u] = \n", i
);
648 debug_printf(" .format = %s\n",
649 util_format_name(image
->format
));
650 debug_printf(" .target = %s\n",
651 util_str_tex_target(image
->target
, TRUE
));
652 debug_printf(" .level_zero_only = %u\n",
653 image
->level_zero_only
);
654 debug_printf(" .pot = %u %u %u\n",
662 lp_debug_cs_variant(const struct lp_compute_shader_variant
*variant
)
664 debug_printf("llvmpipe: Compute shader #%u variant #%u:\n",
665 variant
->shader
->no
, variant
->no
);
666 if (variant
->shader
->base
.type
== PIPE_SHADER_IR_TGSI
)
667 tgsi_dump(variant
->shader
->base
.tokens
, 0);
669 nir_print_shader(variant
->shader
->base
.ir
.nir
, stderr
);
670 dump_cs_variant_key(&variant
->key
);
674 static struct lp_compute_shader_variant
*
675 generate_variant(struct llvmpipe_context
*lp
,
676 struct lp_compute_shader
*shader
,
677 const struct lp_compute_shader_variant_key
*key
)
679 struct lp_compute_shader_variant
*variant
;
680 char module_name
[64];
681 variant
= MALLOC(sizeof *variant
+ shader
->variant_key_size
- sizeof variant
->key
);
685 memset(variant
, 0, sizeof(*variant
));
686 snprintf(module_name
, sizeof(module_name
), "cs%u_variant%u",
687 shader
->no
, shader
->variants_created
);
689 variant
->gallivm
= gallivm_create(module_name
, lp
->context
);
690 if (!variant
->gallivm
) {
695 variant
->shader
= shader
;
696 variant
->list_item_global
.base
= variant
;
697 variant
->list_item_local
.base
= variant
;
698 variant
->no
= shader
->variants_created
++;
700 memcpy(&variant
->key
, key
, shader
->variant_key_size
);
702 if ((LP_DEBUG
& DEBUG_CS
) || (gallivm_debug
& GALLIVM_DEBUG_IR
)) {
703 lp_debug_cs_variant(variant
);
706 lp_jit_init_cs_types(variant
);
708 generate_compute(lp
, shader
, variant
);
710 gallivm_compile_module(variant
->gallivm
);
712 variant
->nr_instrs
+= lp_build_count_ir_module(variant
->gallivm
->module
);
714 variant
->jit_function
= (lp_jit_cs_func
)gallivm_jit_function(variant
->gallivm
, variant
->function
);
716 gallivm_free_ir(variant
->gallivm
);
721 lp_cs_ctx_set_cs_variant( struct lp_cs_context
*csctx
,
722 struct lp_compute_shader_variant
*variant
)
724 csctx
->cs
.current
.variant
= variant
;
728 llvmpipe_update_cs(struct llvmpipe_context
*lp
)
730 struct lp_compute_shader
*shader
= lp
->cs
;
732 struct lp_compute_shader_variant_key
*key
;
733 struct lp_compute_shader_variant
*variant
= NULL
;
734 struct lp_cs_variant_list_item
*li
;
735 char store
[LP_CS_MAX_VARIANT_KEY_SIZE
];
737 key
= make_variant_key(lp
, shader
, store
);
739 /* Search the variants for one which matches the key */
740 li
= first_elem(&shader
->variants
);
741 while(!at_end(&shader
->variants
, li
)) {
742 if(memcmp(&li
->base
->key
, key
, shader
->variant_key_size
) == 0) {
750 /* Move this variant to the head of the list to implement LRU
751 * deletion of shader's when we have too many.
753 move_to_head(&lp
->cs_variants_list
, &variant
->list_item_global
);
756 /* variant not found, create it now */
759 unsigned variants_to_cull
;
761 if (LP_DEBUG
& DEBUG_CS
) {
762 debug_printf("%u variants,\t%u instrs,\t%u instrs/variant\n",
765 lp
->nr_cs_variants
? lp
->nr_cs_instrs
/ lp
->nr_cs_variants
: 0);
768 /* First, check if we've exceeded the max number of shader variants.
769 * If so, free 6.25% of them (the least recently used ones).
771 variants_to_cull
= lp
->nr_cs_variants
>= LP_MAX_SHADER_VARIANTS
? LP_MAX_SHADER_VARIANTS
/ 16 : 0;
773 if (variants_to_cull
||
774 lp
->nr_cs_instrs
>= LP_MAX_SHADER_INSTRUCTIONS
) {
775 if (gallivm_debug
& GALLIVM_DEBUG_PERF
) {
776 debug_printf("Evicting CS: %u cs variants,\t%u total variants,"
777 "\t%u instrs,\t%u instrs/variant\n",
778 shader
->variants_cached
,
779 lp
->nr_cs_variants
, lp
->nr_cs_instrs
,
780 lp
->nr_cs_instrs
/ lp
->nr_cs_variants
);
784 * We need to re-check lp->nr_cs_variants because an arbitrarliy large
785 * number of shader variants (potentially all of them) could be
786 * pending for destruction on flush.
789 for (i
= 0; i
< variants_to_cull
|| lp
->nr_cs_instrs
>= LP_MAX_SHADER_INSTRUCTIONS
; i
++) {
790 struct lp_cs_variant_list_item
*item
;
791 if (is_empty_list(&lp
->cs_variants_list
)) {
794 item
= last_elem(&lp
->cs_variants_list
);
797 llvmpipe_remove_cs_shader_variant(lp
, item
->base
);
801 * Generate the new variant.
804 variant
= generate_variant(lp
, shader
, key
);
807 LP_COUNT_ADD(llvm_compile_time
, dt
);
808 LP_COUNT_ADD(nr_llvm_compiles
, 2); /* emit vs. omit in/out test */
810 /* Put the new variant into the list */
812 insert_at_head(&shader
->variants
, &variant
->list_item_local
);
813 insert_at_head(&lp
->cs_variants_list
, &variant
->list_item_global
);
814 lp
->nr_cs_variants
++;
815 lp
->nr_cs_instrs
+= variant
->nr_instrs
;
816 shader
->variants_cached
++;
819 /* Bind this variant */
820 lp_cs_ctx_set_cs_variant(lp
->csctx
, variant
);
824 * Called during state validation when LP_CSNEW_SAMPLER_VIEW is set.
827 lp_csctx_set_sampler_views(struct lp_cs_context
*csctx
,
829 struct pipe_sampler_view
**views
)
831 unsigned i
, max_tex_num
;
833 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
835 assert(num
<= PIPE_MAX_SHADER_SAMPLER_VIEWS
);
837 max_tex_num
= MAX2(num
, csctx
->cs
.current_tex_num
);
839 for (i
= 0; i
< max_tex_num
; i
++) {
840 struct pipe_sampler_view
*view
= i
< num
? views
[i
] : NULL
;
843 struct pipe_resource
*res
= view
->texture
;
844 struct llvmpipe_resource
*lp_tex
= llvmpipe_resource(res
);
845 struct lp_jit_texture
*jit_tex
;
846 jit_tex
= &csctx
->cs
.current
.jit_context
.textures
[i
];
848 /* We're referencing the texture's internal data, so save a
851 pipe_resource_reference(&csctx
->cs
.current_tex
[i
], res
);
854 /* regular texture - csctx array of mipmap level offsets */
856 unsigned first_level
= 0;
857 unsigned last_level
= 0;
859 if (llvmpipe_resource_is_texture(res
)) {
860 first_level
= view
->u
.tex
.first_level
;
861 last_level
= view
->u
.tex
.last_level
;
862 assert(first_level
<= last_level
);
863 assert(last_level
<= res
->last_level
);
864 jit_tex
->base
= lp_tex
->tex_data
;
867 jit_tex
->base
= lp_tex
->data
;
869 if (LP_PERF
& PERF_TEX_MEM
) {
870 /* use dummy tile memory */
871 jit_tex
->base
= lp_dummy_tile
;
872 jit_tex
->width
= TILE_SIZE
/8;
873 jit_tex
->height
= TILE_SIZE
/8;
875 jit_tex
->first_level
= 0;
876 jit_tex
->last_level
= 0;
877 jit_tex
->mip_offsets
[0] = 0;
878 jit_tex
->row_stride
[0] = 0;
879 jit_tex
->img_stride
[0] = 0;
880 jit_tex
->num_samples
= 0;
881 jit_tex
->sample_stride
= 0;
884 jit_tex
->width
= res
->width0
;
885 jit_tex
->height
= res
->height0
;
886 jit_tex
->depth
= res
->depth0
;
887 jit_tex
->first_level
= first_level
;
888 jit_tex
->last_level
= last_level
;
889 jit_tex
->num_samples
= res
->nr_samples
;
890 jit_tex
->sample_stride
= 0;
892 if (llvmpipe_resource_is_texture(res
)) {
893 for (j
= first_level
; j
<= last_level
; j
++) {
894 jit_tex
->mip_offsets
[j
] = lp_tex
->mip_offsets
[j
];
895 jit_tex
->row_stride
[j
] = lp_tex
->row_stride
[j
];
896 jit_tex
->img_stride
[j
] = lp_tex
->img_stride
[j
];
898 jit_tex
->sample_stride
= lp_tex
->sample_stride
;
900 if (res
->target
== PIPE_TEXTURE_1D_ARRAY
||
901 res
->target
== PIPE_TEXTURE_2D_ARRAY
||
902 res
->target
== PIPE_TEXTURE_CUBE
||
903 res
->target
== PIPE_TEXTURE_CUBE_ARRAY
) {
905 * For array textures, we don't have first_layer, instead
906 * adjust last_layer (stored as depth) plus the mip level offsets
907 * (as we have mip-first layout can't just adjust base ptr).
908 * XXX For mip levels, could do something similar.
910 jit_tex
->depth
= view
->u
.tex
.last_layer
- view
->u
.tex
.first_layer
+ 1;
911 for (j
= first_level
; j
<= last_level
; j
++) {
912 jit_tex
->mip_offsets
[j
] += view
->u
.tex
.first_layer
*
913 lp_tex
->img_stride
[j
];
915 if (view
->target
== PIPE_TEXTURE_CUBE
||
916 view
->target
== PIPE_TEXTURE_CUBE_ARRAY
) {
917 assert(jit_tex
->depth
% 6 == 0);
919 assert(view
->u
.tex
.first_layer
<= view
->u
.tex
.last_layer
);
920 assert(view
->u
.tex
.last_layer
< res
->array_size
);
925 * For buffers, we don't have "offset", instead adjust
926 * the size (stored as width) plus the base pointer.
928 unsigned view_blocksize
= util_format_get_blocksize(view
->format
);
929 /* probably don't really need to fill that out */
930 jit_tex
->mip_offsets
[0] = 0;
931 jit_tex
->row_stride
[0] = 0;
932 jit_tex
->img_stride
[0] = 0;
934 /* everything specified in number of elements here. */
935 jit_tex
->width
= view
->u
.buf
.size
/ view_blocksize
;
936 jit_tex
->base
= (uint8_t *)jit_tex
->base
+ view
->u
.buf
.offset
;
937 /* XXX Unsure if we need to sanitize parameters? */
938 assert(view
->u
.buf
.offset
+ view
->u
.buf
.size
<= res
->width0
);
943 /* display target texture/surface */
945 * XXX: Where should this be unmapped?
947 struct llvmpipe_screen
*screen
= llvmpipe_screen(res
->screen
);
948 struct sw_winsys
*winsys
= screen
->winsys
;
949 jit_tex
->base
= winsys
->displaytarget_map(winsys
, lp_tex
->dt
,
951 jit_tex
->row_stride
[0] = lp_tex
->row_stride
[0];
952 jit_tex
->img_stride
[0] = lp_tex
->img_stride
[0];
953 jit_tex
->mip_offsets
[0] = 0;
954 jit_tex
->width
= res
->width0
;
955 jit_tex
->height
= res
->height0
;
956 jit_tex
->depth
= res
->depth0
;
957 jit_tex
->first_level
= jit_tex
->last_level
= 0;
958 jit_tex
->num_samples
= res
->nr_samples
;
959 jit_tex
->sample_stride
= 0;
960 assert(jit_tex
->base
);
964 pipe_resource_reference(&csctx
->cs
.current_tex
[i
], NULL
);
967 csctx
->cs
.current_tex_num
= num
;
972 * Called during state validation when LP_NEW_SAMPLER is set.
975 lp_csctx_set_sampler_state(struct lp_cs_context
*csctx
,
977 struct pipe_sampler_state
**samplers
)
981 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
983 assert(num
<= PIPE_MAX_SAMPLERS
);
985 for (i
= 0; i
< PIPE_MAX_SAMPLERS
; i
++) {
986 const struct pipe_sampler_state
*sampler
= i
< num
? samplers
[i
] : NULL
;
989 struct lp_jit_sampler
*jit_sam
;
990 jit_sam
= &csctx
->cs
.current
.jit_context
.samplers
[i
];
992 jit_sam
->min_lod
= sampler
->min_lod
;
993 jit_sam
->max_lod
= sampler
->max_lod
;
994 jit_sam
->lod_bias
= sampler
->lod_bias
;
995 COPY_4V(jit_sam
->border_color
, sampler
->border_color
.f
);
1001 lp_csctx_set_cs_constants(struct lp_cs_context
*csctx
,
1003 struct pipe_constant_buffer
*buffers
)
1007 LP_DBG(DEBUG_SETUP
, "%s %p\n", __FUNCTION__
, (void *) buffers
);
1009 assert(num
<= ARRAY_SIZE(csctx
->constants
));
1011 for (i
= 0; i
< num
; ++i
) {
1012 util_copy_constant_buffer(&csctx
->constants
[i
].current
, &buffers
[i
]);
1014 for (; i
< ARRAY_SIZE(csctx
->constants
); i
++) {
1015 util_copy_constant_buffer(&csctx
->constants
[i
].current
, NULL
);
1020 lp_csctx_set_cs_ssbos(struct lp_cs_context
*csctx
,
1022 struct pipe_shader_buffer
*buffers
)
1025 LP_DBG(DEBUG_SETUP
, "%s %p\n", __FUNCTION__
, (void *)buffers
);
1027 assert (num
<= ARRAY_SIZE(csctx
->ssbos
));
1029 for (i
= 0; i
< num
; ++i
) {
1030 util_copy_shader_buffer(&csctx
->ssbos
[i
].current
, &buffers
[i
]);
1032 for (; i
< ARRAY_SIZE(csctx
->ssbos
); i
++) {
1033 util_copy_shader_buffer(&csctx
->ssbos
[i
].current
, NULL
);
1038 lp_csctx_set_cs_images(struct lp_cs_context
*csctx
,
1040 struct pipe_image_view
*images
)
1044 LP_DBG(DEBUG_SETUP
, "%s %p\n", __FUNCTION__
, (void *) images
);
1046 assert(num
<= ARRAY_SIZE(csctx
->images
));
1048 for (i
= 0; i
< num
; ++i
) {
1049 struct pipe_image_view
*image
= &images
[i
];
1050 util_copy_image_view(&csctx
->images
[i
].current
, &images
[i
]);
1052 struct pipe_resource
*res
= image
->resource
;
1053 struct llvmpipe_resource
*lp_res
= llvmpipe_resource(res
);
1054 struct lp_jit_image
*jit_image
;
1056 jit_image
= &csctx
->cs
.current
.jit_context
.images
[i
];
1060 /* regular texture - csctx array of mipmap level offsets */
1061 if (llvmpipe_resource_is_texture(res
)) {
1062 jit_image
->base
= lp_res
->tex_data
;
1064 jit_image
->base
= lp_res
->data
;
1066 jit_image
->width
= res
->width0
;
1067 jit_image
->height
= res
->height0
;
1068 jit_image
->depth
= res
->depth0
;
1069 jit_image
->num_samples
= res
->nr_samples
;
1071 if (llvmpipe_resource_is_texture(res
)) {
1072 uint32_t mip_offset
= lp_res
->mip_offsets
[image
->u
.tex
.level
];
1074 jit_image
->width
= u_minify(jit_image
->width
, image
->u
.tex
.level
);
1075 jit_image
->height
= u_minify(jit_image
->height
, image
->u
.tex
.level
);
1077 if (res
->target
== PIPE_TEXTURE_1D_ARRAY
||
1078 res
->target
== PIPE_TEXTURE_2D_ARRAY
||
1079 res
->target
== PIPE_TEXTURE_3D
||
1080 res
->target
== PIPE_TEXTURE_CUBE
||
1081 res
->target
== PIPE_TEXTURE_CUBE_ARRAY
) {
1083 * For array textures, we don't have first_layer, instead
1084 * adjust last_layer (stored as depth) plus the mip level offsets
1085 * (as we have mip-first layout can't just adjust base ptr).
1086 * XXX For mip levels, could do something similar.
1088 jit_image
->depth
= image
->u
.tex
.last_layer
- image
->u
.tex
.first_layer
+ 1;
1089 mip_offset
+= image
->u
.tex
.first_layer
* lp_res
->img_stride
[image
->u
.tex
.level
];
1091 jit_image
->depth
= u_minify(jit_image
->depth
, image
->u
.tex
.level
);
1093 jit_image
->row_stride
= lp_res
->row_stride
[image
->u
.tex
.level
];
1094 jit_image
->img_stride
= lp_res
->img_stride
[image
->u
.tex
.level
];
1095 jit_image
->sample_stride
= lp_res
->sample_stride
;
1096 jit_image
->base
= (uint8_t *)jit_image
->base
+ mip_offset
;
1098 unsigned view_blocksize
= util_format_get_blocksize(image
->format
);
1099 jit_image
->width
= image
->u
.buf
.size
/ view_blocksize
;
1100 jit_image
->base
= (uint8_t *)jit_image
->base
+ image
->u
.buf
.offset
;
1104 for (; i
< ARRAY_SIZE(csctx
->images
); i
++) {
1105 util_copy_image_view(&csctx
->images
[i
].current
, NULL
);
1110 update_csctx_consts(struct llvmpipe_context
*llvmpipe
)
1112 struct lp_cs_context
*csctx
= llvmpipe
->csctx
;
1115 for (i
= 0; i
< ARRAY_SIZE(csctx
->constants
); ++i
) {
1116 struct pipe_resource
*buffer
= csctx
->constants
[i
].current
.buffer
;
1117 const ubyte
*current_data
= NULL
;
1120 /* resource buffer */
1121 current_data
= (ubyte
*) llvmpipe_resource_data(buffer
);
1123 else if (csctx
->constants
[i
].current
.user_buffer
) {
1124 /* user-space buffer */
1125 current_data
= (ubyte
*) csctx
->constants
[i
].current
.user_buffer
;
1129 current_data
+= csctx
->constants
[i
].current
.buffer_offset
;
1131 csctx
->cs
.current
.jit_context
.constants
[i
] = (const float *)current_data
;
1132 csctx
->cs
.current
.jit_context
.num_constants
[i
] = csctx
->constants
[i
].current
.buffer_size
;
1134 csctx
->cs
.current
.jit_context
.constants
[i
] = NULL
;
1135 csctx
->cs
.current
.jit_context
.num_constants
[i
] = 0;
1141 update_csctx_ssbo(struct llvmpipe_context
*llvmpipe
)
1143 struct lp_cs_context
*csctx
= llvmpipe
->csctx
;
1145 for (i
= 0; i
< ARRAY_SIZE(csctx
->ssbos
); ++i
) {
1146 struct pipe_resource
*buffer
= csctx
->ssbos
[i
].current
.buffer
;
1147 const ubyte
*current_data
= NULL
;
1151 /* resource buffer */
1152 current_data
= (ubyte
*) llvmpipe_resource_data(buffer
);
1154 current_data
+= csctx
->ssbos
[i
].current
.buffer_offset
;
1156 csctx
->cs
.current
.jit_context
.ssbos
[i
] = (const uint32_t *)current_data
;
1157 csctx
->cs
.current
.jit_context
.num_ssbos
[i
] = csctx
->ssbos
[i
].current
.buffer_size
;
1159 csctx
->cs
.current
.jit_context
.ssbos
[i
] = NULL
;
1160 csctx
->cs
.current
.jit_context
.num_ssbos
[i
] = 0;
1166 llvmpipe_cs_update_derived(struct llvmpipe_context
*llvmpipe
, void *input
)
1168 if (llvmpipe
->cs_dirty
& (LP_CSNEW_CS
))
1169 llvmpipe_update_cs(llvmpipe
);
1171 if (llvmpipe
->cs_dirty
& LP_CSNEW_CONSTANTS
) {
1172 lp_csctx_set_cs_constants(llvmpipe
->csctx
,
1173 ARRAY_SIZE(llvmpipe
->constants
[PIPE_SHADER_COMPUTE
]),
1174 llvmpipe
->constants
[PIPE_SHADER_COMPUTE
]);
1175 update_csctx_consts(llvmpipe
);
1178 if (llvmpipe
->cs_dirty
& LP_CSNEW_SSBOS
) {
1179 lp_csctx_set_cs_ssbos(llvmpipe
->csctx
,
1180 ARRAY_SIZE(llvmpipe
->ssbos
[PIPE_SHADER_COMPUTE
]),
1181 llvmpipe
->ssbos
[PIPE_SHADER_COMPUTE
]);
1182 update_csctx_ssbo(llvmpipe
);
1185 if (llvmpipe
->cs_dirty
& LP_CSNEW_SAMPLER_VIEW
)
1186 lp_csctx_set_sampler_views(llvmpipe
->csctx
,
1187 llvmpipe
->num_sampler_views
[PIPE_SHADER_COMPUTE
],
1188 llvmpipe
->sampler_views
[PIPE_SHADER_COMPUTE
]);
1190 if (llvmpipe
->cs_dirty
& LP_CSNEW_SAMPLER
)
1191 lp_csctx_set_sampler_state(llvmpipe
->csctx
,
1192 llvmpipe
->num_samplers
[PIPE_SHADER_COMPUTE
],
1193 llvmpipe
->samplers
[PIPE_SHADER_COMPUTE
]);
1195 if (llvmpipe
->cs_dirty
& LP_CSNEW_IMAGES
)
1196 lp_csctx_set_cs_images(llvmpipe
->csctx
,
1197 ARRAY_SIZE(llvmpipe
->images
[PIPE_SHADER_COMPUTE
]),
1198 llvmpipe
->images
[PIPE_SHADER_COMPUTE
]);
1201 struct lp_cs_context
*csctx
= llvmpipe
->csctx
;
1202 csctx
->input
= input
;
1203 csctx
->cs
.current
.jit_context
.kernel_args
= input
;
1206 llvmpipe
->cs_dirty
= 0;
1210 cs_exec_fn(void *init_data
, int iter_idx
, struct lp_cs_local_mem
*lmem
)
1212 struct lp_cs_job_info
*job_info
= init_data
;
1213 struct lp_jit_cs_thread_data thread_data
;
1215 memset(&thread_data
, 0, sizeof(thread_data
));
1217 if (lmem
->local_size
< job_info
->req_local_mem
) {
1218 lmem
->local_mem_ptr
= REALLOC(lmem
->local_mem_ptr
, lmem
->local_size
,
1219 job_info
->req_local_mem
);
1220 lmem
->local_size
= job_info
->req_local_mem
;
1222 thread_data
.shared
= lmem
->local_mem_ptr
;
1224 unsigned grid_z
= iter_idx
/ (job_info
->grid_size
[0] * job_info
->grid_size
[1]);
1225 unsigned grid_y
= (iter_idx
- (grid_z
* (job_info
->grid_size
[0] * job_info
->grid_size
[1]))) / job_info
->grid_size
[0];
1226 unsigned grid_x
= (iter_idx
- (grid_z
* (job_info
->grid_size
[0] * job_info
->grid_size
[1])) - (grid_y
* job_info
->grid_size
[0]));
1227 struct lp_compute_shader_variant
*variant
= job_info
->current
->variant
;
1228 variant
->jit_function(&job_info
->current
->jit_context
,
1229 job_info
->block_size
[0], job_info
->block_size
[1], job_info
->block_size
[2],
1230 grid_x
, grid_y
, grid_z
,
1231 job_info
->grid_size
[0], job_info
->grid_size
[1], job_info
->grid_size
[2], job_info
->work_dim
,
1236 fill_grid_size(struct pipe_context
*pipe
,
1237 const struct pipe_grid_info
*info
,
1238 uint32_t grid_size
[3])
1240 struct pipe_transfer
*transfer
;
1242 if (!info
->indirect
) {
1243 grid_size
[0] = info
->grid
[0];
1244 grid_size
[1] = info
->grid
[1];
1245 grid_size
[2] = info
->grid
[2];
1248 params
= pipe_buffer_map_range(pipe
, info
->indirect
,
1249 info
->indirect_offset
,
1250 3 * sizeof(uint32_t),
1257 grid_size
[0] = params
[0];
1258 grid_size
[1] = params
[1];
1259 grid_size
[2] = params
[2];
1260 pipe_buffer_unmap(pipe
, transfer
);
1263 static void llvmpipe_launch_grid(struct pipe_context
*pipe
,
1264 const struct pipe_grid_info
*info
)
1266 struct llvmpipe_context
*llvmpipe
= llvmpipe_context(pipe
);
1267 struct llvmpipe_screen
*screen
= llvmpipe_screen(pipe
->screen
);
1268 struct lp_cs_job_info job_info
;
1270 memset(&job_info
, 0, sizeof(job_info
));
1272 llvmpipe_cs_update_derived(llvmpipe
, info
->input
);
1274 fill_grid_size(pipe
, info
, job_info
.grid_size
);
1276 job_info
.block_size
[0] = info
->block
[0];
1277 job_info
.block_size
[1] = info
->block
[1];
1278 job_info
.block_size
[2] = info
->block
[2];
1279 job_info
.work_dim
= info
->work_dim
;
1280 job_info
.req_local_mem
= llvmpipe
->cs
->req_local_mem
;
1281 job_info
.current
= &llvmpipe
->csctx
->cs
.current
;
1283 int num_tasks
= job_info
.grid_size
[2] * job_info
.grid_size
[1] * job_info
.grid_size
[0];
1285 struct lp_cs_tpool_task
*task
;
1286 mtx_lock(&screen
->cs_mutex
);
1287 task
= lp_cs_tpool_queue_task(screen
->cs_tpool
, cs_exec_fn
, &job_info
, num_tasks
);
1289 lp_cs_tpool_wait_for_task(screen
->cs_tpool
, &task
);
1290 mtx_unlock(&screen
->cs_mutex
);
1292 llvmpipe
->pipeline_statistics
.cs_invocations
+= num_tasks
* info
->block
[0] * info
->block
[1] * info
->block
[2];
1296 llvmpipe_set_compute_resources(struct pipe_context
*pipe
,
1297 unsigned start
, unsigned count
,
1298 struct pipe_surface
**resources
)
1305 llvmpipe_set_global_binding(struct pipe_context
*pipe
,
1306 unsigned first
, unsigned count
,
1307 struct pipe_resource
**resources
,
1310 struct llvmpipe_context
*llvmpipe
= llvmpipe_context(pipe
);
1311 struct lp_compute_shader
*cs
= llvmpipe
->cs
;
1314 if (first
+ count
> cs
->max_global_buffers
) {
1315 unsigned old_max
= cs
->max_global_buffers
;
1316 cs
->max_global_buffers
= first
+ count
;
1317 cs
->global_buffers
= realloc(cs
->global_buffers
,
1318 cs
->max_global_buffers
* sizeof(cs
->global_buffers
[0]));
1319 if (!cs
->global_buffers
) {
1323 memset(&cs
->global_buffers
[old_max
], 0, (cs
->max_global_buffers
- old_max
) * sizeof(cs
->global_buffers
[0]));
1327 for (i
= 0; i
< count
; i
++)
1328 pipe_resource_reference(&cs
->global_buffers
[first
+ i
], NULL
);
1332 for (i
= 0; i
< count
; i
++) {
1335 pipe_resource_reference(&cs
->global_buffers
[first
+ i
], resources
[i
]);
1336 struct llvmpipe_resource
*lp_res
= llvmpipe_resource(resources
[i
]);
1337 offset
= *handles
[i
];
1338 va
= (uintptr_t)((char *)lp_res
->data
+ offset
);
1339 memcpy(handles
[i
], &va
, sizeof(va
));
1344 llvmpipe_init_compute_funcs(struct llvmpipe_context
*llvmpipe
)
1346 llvmpipe
->pipe
.create_compute_state
= llvmpipe_create_compute_state
;
1347 llvmpipe
->pipe
.bind_compute_state
= llvmpipe_bind_compute_state
;
1348 llvmpipe
->pipe
.delete_compute_state
= llvmpipe_delete_compute_state
;
1349 llvmpipe
->pipe
.set_compute_resources
= llvmpipe_set_compute_resources
;
1350 llvmpipe
->pipe
.set_global_binding
= llvmpipe_set_global_binding
;
1351 llvmpipe
->pipe
.launch_grid
= llvmpipe_launch_grid
;
1355 lp_csctx_destroy(struct lp_cs_context
*csctx
)
1358 for (i
= 0; i
< ARRAY_SIZE(csctx
->cs
.current_tex
); i
++) {
1359 pipe_resource_reference(&csctx
->cs
.current_tex
[i
], NULL
);
1361 for (i
= 0; i
< ARRAY_SIZE(csctx
->constants
); i
++) {
1362 pipe_resource_reference(&csctx
->constants
[i
].current
.buffer
, NULL
);
1364 for (i
= 0; i
< ARRAY_SIZE(csctx
->ssbos
); i
++) {
1365 pipe_resource_reference(&csctx
->ssbos
[i
].current
.buffer
, NULL
);
1370 struct lp_cs_context
*lp_csctx_create(struct pipe_context
*pipe
)
1372 struct lp_cs_context
*csctx
;
1374 csctx
= CALLOC_STRUCT(lp_cs_context
);