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1 | /************************************************************************** |
2 | * | |
3 | * Copyright © 2015 VMware, Inc., Palo Alto, CA., USA | |
4 | * All Rights Reserved. | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a | |
7 | * 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, sub license, 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: | |
13 | * | |
14 | * The above copyright notice and this permission notice (including the | |
15 | * next paragraph) shall be included in all copies or substantial portions | |
16 | * of the Software. | |
17 | * | |
18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
20 | * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL | |
21 | * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, | |
22 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR | |
23 | * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE | |
24 | * USE OR OTHER DEALINGS IN THE SOFTWARE. | |
25 | * | |
26 | **************************************************************************/ | |
27 | /* | |
28 | * This file implements the vmwgfx context binding manager, | |
29 | * The sole reason for having to use this code is that vmware guest | |
30 | * backed contexts can be swapped out to their backing mobs by the device | |
31 | * at any time, also swapped in at any time. At swapin time, the device | |
32 | * validates the context bindings to make sure they point to valid resources. | |
33 | * It's this outside-of-drawcall validation (that can happen at any time), | |
34 | * that makes this code necessary. | |
35 | * | |
36 | * We therefore need to kill any context bindings pointing to a resource | |
37 | * when the resource is swapped out. Furthermore, if the vmwgfx driver has | |
38 | * swapped out the context we can't swap it in again to kill bindings because | |
39 | * of backing mob reservation lockdep violations, so as part of | |
40 | * context swapout, also kill all bindings of a context, so that they are | |
41 | * already killed if a resource to which a binding points | |
42 | * needs to be swapped out. | |
43 | * | |
44 | * Note that a resource can be pointed to by bindings from multiple contexts, | |
45 | * Therefore we can't easily protect this data by a per context mutex | |
46 | * (unless we use deadlock-safe WW mutexes). So we use a global binding_mutex | |
47 | * to protect all binding manager data. | |
48 | * | |
49 | * Finally, any association between a context and a global resource | |
50 | * (surface, shader or even DX query) is conceptually a context binding that | |
51 | * needs to be tracked by this code. | |
52 | */ | |
53 | ||
54 | #include "vmwgfx_drv.h" | |
55 | #include "vmwgfx_binding.h" | |
56 | #include "device_include/svga3d_reg.h" | |
57 | ||
58 | #define VMW_BINDING_RT_BIT 0 | |
59 | #define VMW_BINDING_PS_BIT 1 | |
60 | #define VMW_BINDING_SO_BIT 2 | |
61 | #define VMW_BINDING_VB_BIT 3 | |
62 | #define VMW_BINDING_NUM_BITS 4 | |
63 | ||
64 | #define VMW_BINDING_PS_SR_BIT 0 | |
65 | ||
66 | /** | |
67 | * struct vmw_ctx_binding_state - per context binding state | |
68 | * | |
69 | * @dev_priv: Pointer to device private structure. | |
70 | * @list: linked list of individual active bindings. | |
71 | * @render_targets: Render target bindings. | |
72 | * @texture_units: Texture units bindings. | |
73 | * @ds_view: Depth-stencil view binding. | |
74 | * @so_targets: StreamOutput target bindings. | |
75 | * @vertex_buffers: Vertex buffer bindings. | |
76 | * @index_buffer: Index buffer binding. | |
77 | * @per_shader: Per shader-type bindings. | |
78 | * @dirty: Bitmap tracking per binding-type changes that have not yet | |
79 | * been emitted to the device. | |
80 | * @dirty_vb: Bitmap tracking individual vertex buffer binding changes that | |
81 | * have not yet been emitted to the device. | |
82 | * @bind_cmd_buffer: Scratch space used to construct binding commands. | |
83 | * @bind_cmd_count: Number of binding command data entries in @bind_cmd_buffer | |
84 | * @bind_first_slot: Used together with @bind_cmd_buffer to indicate the | |
85 | * device binding slot of the first command data entry in @bind_cmd_buffer. | |
86 | * | |
87 | * Note that this structure also provides storage space for the individual | |
88 | * struct vmw_ctx_binding objects, so that no dynamic allocation is needed | |
89 | * for individual bindings. | |
90 | * | |
91 | */ | |
92 | struct vmw_ctx_binding_state { | |
93 | struct vmw_private *dev_priv; | |
94 | struct list_head list; | |
95 | struct vmw_ctx_bindinfo_view render_targets[SVGA3D_RT_MAX]; | |
96 | struct vmw_ctx_bindinfo_tex texture_units[SVGA3D_NUM_TEXTURE_UNITS]; | |
97 | struct vmw_ctx_bindinfo_view ds_view; | |
98 | struct vmw_ctx_bindinfo_so so_targets[SVGA3D_DX_MAX_SOTARGETS]; | |
99 | struct vmw_ctx_bindinfo_vb vertex_buffers[SVGA3D_DX_MAX_VERTEXBUFFERS]; | |
100 | struct vmw_ctx_bindinfo_ib index_buffer; | |
101 | struct vmw_dx_shader_bindings per_shader[SVGA3D_NUM_SHADERTYPE_DX10]; | |
102 | ||
103 | unsigned long dirty; | |
104 | DECLARE_BITMAP(dirty_vb, SVGA3D_DX_MAX_VERTEXBUFFERS); | |
105 | ||
106 | u32 bind_cmd_buffer[VMW_MAX_VIEW_BINDINGS]; | |
107 | u32 bind_cmd_count; | |
108 | u32 bind_first_slot; | |
109 | }; | |
110 | ||
111 | static int vmw_binding_scrub_shader(struct vmw_ctx_bindinfo *bi, bool rebind); | |
112 | static int vmw_binding_scrub_render_target(struct vmw_ctx_bindinfo *bi, | |
113 | bool rebind); | |
114 | static int vmw_binding_scrub_texture(struct vmw_ctx_bindinfo *bi, bool rebind); | |
115 | static int vmw_binding_scrub_cb(struct vmw_ctx_bindinfo *bi, bool rebind); | |
116 | static int vmw_binding_scrub_dx_rt(struct vmw_ctx_bindinfo *bi, bool rebind); | |
117 | static int vmw_binding_scrub_sr(struct vmw_ctx_bindinfo *bi, bool rebind); | |
118 | static int vmw_binding_scrub_so(struct vmw_ctx_bindinfo *bi, bool rebind); | |
119 | static int vmw_binding_emit_dirty(struct vmw_ctx_binding_state *cbs); | |
120 | static int vmw_binding_scrub_dx_shader(struct vmw_ctx_bindinfo *bi, | |
121 | bool rebind); | |
122 | static int vmw_binding_scrub_ib(struct vmw_ctx_bindinfo *bi, bool rebind); | |
123 | static int vmw_binding_scrub_vb(struct vmw_ctx_bindinfo *bi, bool rebind); | |
124 | static void vmw_binding_build_asserts(void) __attribute__ ((unused)); | |
125 | ||
126 | typedef int (*vmw_scrub_func)(struct vmw_ctx_bindinfo *, bool); | |
127 | ||
128 | /** | |
129 | * struct vmw_binding_info - Per binding type information for the binding | |
130 | * manager | |
131 | * | |
132 | * @size: The size of the struct binding derived from a struct vmw_ctx_bindinfo. | |
133 | * @offsets: array[shader_slot] of offsets to the array[slot] | |
134 | * of struct bindings for the binding type. | |
135 | * @scrub_func: Pointer to the scrub function for this binding type. | |
136 | * | |
137 | * Holds static information to help optimize the binding manager and avoid | |
138 | * an excessive amount of switch statements. | |
139 | */ | |
140 | struct vmw_binding_info { | |
141 | size_t size; | |
142 | const size_t *offsets; | |
143 | vmw_scrub_func scrub_func; | |
144 | }; | |
145 | ||
146 | /* | |
147 | * A number of static variables that help determine the scrub func and the | |
148 | * location of the struct vmw_ctx_bindinfo slots for each binding type. | |
149 | */ | |
150 | static const size_t vmw_binding_shader_offsets[] = { | |
151 | offsetof(struct vmw_ctx_binding_state, per_shader[0].shader), | |
152 | offsetof(struct vmw_ctx_binding_state, per_shader[1].shader), | |
153 | offsetof(struct vmw_ctx_binding_state, per_shader[2].shader), | |
154 | }; | |
155 | static const size_t vmw_binding_rt_offsets[] = { | |
156 | offsetof(struct vmw_ctx_binding_state, render_targets), | |
157 | }; | |
158 | static const size_t vmw_binding_tex_offsets[] = { | |
159 | offsetof(struct vmw_ctx_binding_state, texture_units), | |
160 | }; | |
161 | static const size_t vmw_binding_cb_offsets[] = { | |
162 | offsetof(struct vmw_ctx_binding_state, per_shader[0].const_buffers), | |
163 | offsetof(struct vmw_ctx_binding_state, per_shader[1].const_buffers), | |
164 | offsetof(struct vmw_ctx_binding_state, per_shader[2].const_buffers), | |
165 | }; | |
166 | static const size_t vmw_binding_dx_ds_offsets[] = { | |
167 | offsetof(struct vmw_ctx_binding_state, ds_view), | |
168 | }; | |
169 | static const size_t vmw_binding_sr_offsets[] = { | |
170 | offsetof(struct vmw_ctx_binding_state, per_shader[0].shader_res), | |
171 | offsetof(struct vmw_ctx_binding_state, per_shader[1].shader_res), | |
172 | offsetof(struct vmw_ctx_binding_state, per_shader[2].shader_res), | |
173 | }; | |
174 | static const size_t vmw_binding_so_offsets[] = { | |
175 | offsetof(struct vmw_ctx_binding_state, so_targets), | |
176 | }; | |
177 | static const size_t vmw_binding_vb_offsets[] = { | |
178 | offsetof(struct vmw_ctx_binding_state, vertex_buffers), | |
179 | }; | |
180 | static const size_t vmw_binding_ib_offsets[] = { | |
181 | offsetof(struct vmw_ctx_binding_state, index_buffer), | |
182 | }; | |
183 | ||
184 | static const struct vmw_binding_info vmw_binding_infos[] = { | |
185 | [vmw_ctx_binding_shader] = { | |
186 | .size = sizeof(struct vmw_ctx_bindinfo_shader), | |
187 | .offsets = vmw_binding_shader_offsets, | |
188 | .scrub_func = vmw_binding_scrub_shader}, | |
189 | [vmw_ctx_binding_rt] = { | |
190 | .size = sizeof(struct vmw_ctx_bindinfo_view), | |
191 | .offsets = vmw_binding_rt_offsets, | |
192 | .scrub_func = vmw_binding_scrub_render_target}, | |
193 | [vmw_ctx_binding_tex] = { | |
194 | .size = sizeof(struct vmw_ctx_bindinfo_tex), | |
195 | .offsets = vmw_binding_tex_offsets, | |
196 | .scrub_func = vmw_binding_scrub_texture}, | |
197 | [vmw_ctx_binding_cb] = { | |
198 | .size = sizeof(struct vmw_ctx_bindinfo_cb), | |
199 | .offsets = vmw_binding_cb_offsets, | |
200 | .scrub_func = vmw_binding_scrub_cb}, | |
201 | [vmw_ctx_binding_dx_shader] = { | |
202 | .size = sizeof(struct vmw_ctx_bindinfo_shader), | |
203 | .offsets = vmw_binding_shader_offsets, | |
204 | .scrub_func = vmw_binding_scrub_dx_shader}, | |
205 | [vmw_ctx_binding_dx_rt] = { | |
206 | .size = sizeof(struct vmw_ctx_bindinfo_view), | |
207 | .offsets = vmw_binding_rt_offsets, | |
208 | .scrub_func = vmw_binding_scrub_dx_rt}, | |
209 | [vmw_ctx_binding_sr] = { | |
210 | .size = sizeof(struct vmw_ctx_bindinfo_view), | |
211 | .offsets = vmw_binding_sr_offsets, | |
212 | .scrub_func = vmw_binding_scrub_sr}, | |
213 | [vmw_ctx_binding_ds] = { | |
214 | .size = sizeof(struct vmw_ctx_bindinfo_view), | |
215 | .offsets = vmw_binding_dx_ds_offsets, | |
216 | .scrub_func = vmw_binding_scrub_dx_rt}, | |
217 | [vmw_ctx_binding_so] = { | |
218 | .size = sizeof(struct vmw_ctx_bindinfo_so), | |
219 | .offsets = vmw_binding_so_offsets, | |
220 | .scrub_func = vmw_binding_scrub_so}, | |
221 | [vmw_ctx_binding_vb] = { | |
222 | .size = sizeof(struct vmw_ctx_bindinfo_vb), | |
223 | .offsets = vmw_binding_vb_offsets, | |
224 | .scrub_func = vmw_binding_scrub_vb}, | |
225 | [vmw_ctx_binding_ib] = { | |
226 | .size = sizeof(struct vmw_ctx_bindinfo_ib), | |
227 | .offsets = vmw_binding_ib_offsets, | |
228 | .scrub_func = vmw_binding_scrub_ib}, | |
229 | }; | |
230 | ||
231 | /** | |
232 | * vmw_cbs_context - Return a pointer to the context resource of a | |
233 | * context binding state tracker. | |
234 | * | |
235 | * @cbs: The context binding state tracker. | |
236 | * | |
237 | * Provided there are any active bindings, this function will return an | |
238 | * unreferenced pointer to the context resource that owns the context | |
239 | * binding state tracker. If there are no active bindings, this function | |
240 | * will return NULL. Note that the caller must somehow ensure that a reference | |
241 | * is held on the context resource prior to calling this function. | |
242 | */ | |
243 | static const struct vmw_resource * | |
244 | vmw_cbs_context(const struct vmw_ctx_binding_state *cbs) | |
245 | { | |
246 | if (list_empty(&cbs->list)) | |
247 | return NULL; | |
248 | ||
249 | return list_first_entry(&cbs->list, struct vmw_ctx_bindinfo, | |
250 | ctx_list)->ctx; | |
251 | } | |
252 | ||
253 | /** | |
254 | * vmw_binding_loc - determine the struct vmw_ctx_bindinfo slot location. | |
255 | * | |
256 | * @cbs: Pointer to a struct vmw_ctx_binding state which holds the slot. | |
257 | * @bt: The binding type. | |
258 | * @shader_slot: The shader slot of the binding. If none, then set to 0. | |
259 | * @slot: The slot of the binding. | |
260 | */ | |
261 | static struct vmw_ctx_bindinfo * | |
262 | vmw_binding_loc(struct vmw_ctx_binding_state *cbs, | |
263 | enum vmw_ctx_binding_type bt, u32 shader_slot, u32 slot) | |
264 | { | |
265 | const struct vmw_binding_info *b = &vmw_binding_infos[bt]; | |
266 | size_t offset = b->offsets[shader_slot] + b->size*slot; | |
267 | ||
268 | return (struct vmw_ctx_bindinfo *)((u8 *) cbs + offset); | |
269 | } | |
270 | ||
271 | /** | |
272 | * vmw_binding_drop: Stop tracking a context binding | |
273 | * | |
274 | * @bi: Pointer to binding tracker storage. | |
275 | * | |
276 | * Stops tracking a context binding, and re-initializes its storage. | |
277 | * Typically used when the context binding is replaced with a binding to | |
278 | * another (or the same, for that matter) resource. | |
279 | */ | |
280 | static void vmw_binding_drop(struct vmw_ctx_bindinfo *bi) | |
281 | { | |
282 | list_del(&bi->ctx_list); | |
283 | if (!list_empty(&bi->res_list)) | |
284 | list_del(&bi->res_list); | |
285 | bi->ctx = NULL; | |
286 | } | |
287 | ||
288 | /** | |
289 | * vmw_binding_add: Start tracking a context binding | |
290 | * | |
291 | * @cbs: Pointer to the context binding state tracker. | |
292 | * @bi: Information about the binding to track. | |
293 | * | |
294 | * Starts tracking the binding in the context binding | |
295 | * state structure @cbs. | |
296 | */ | |
297 | void vmw_binding_add(struct vmw_ctx_binding_state *cbs, | |
298 | const struct vmw_ctx_bindinfo *bi, | |
299 | u32 shader_slot, u32 slot) | |
300 | { | |
301 | struct vmw_ctx_bindinfo *loc = | |
302 | vmw_binding_loc(cbs, bi->bt, shader_slot, slot); | |
303 | const struct vmw_binding_info *b = &vmw_binding_infos[bi->bt]; | |
304 | ||
305 | if (loc->ctx != NULL) | |
306 | vmw_binding_drop(loc); | |
307 | ||
308 | memcpy(loc, bi, b->size); | |
309 | loc->scrubbed = false; | |
310 | list_add(&loc->ctx_list, &cbs->list); | |
311 | INIT_LIST_HEAD(&loc->res_list); | |
312 | } | |
313 | ||
314 | /** | |
315 | * vmw_binding_transfer: Transfer a context binding tracking entry. | |
316 | * | |
317 | * @cbs: Pointer to the persistent context binding state tracker. | |
318 | * @bi: Information about the binding to track. | |
319 | * | |
320 | */ | |
321 | static void vmw_binding_transfer(struct vmw_ctx_binding_state *cbs, | |
322 | const struct vmw_ctx_binding_state *from, | |
323 | const struct vmw_ctx_bindinfo *bi) | |
324 | { | |
325 | size_t offset = (unsigned long)bi - (unsigned long)from; | |
326 | struct vmw_ctx_bindinfo *loc = (struct vmw_ctx_bindinfo *) | |
327 | ((unsigned long) cbs + offset); | |
328 | ||
329 | if (loc->ctx != NULL) { | |
330 | WARN_ON(bi->scrubbed); | |
331 | ||
332 | vmw_binding_drop(loc); | |
333 | } | |
334 | ||
335 | if (bi->res != NULL) { | |
336 | memcpy(loc, bi, vmw_binding_infos[bi->bt].size); | |
337 | list_add_tail(&loc->ctx_list, &cbs->list); | |
338 | list_add_tail(&loc->res_list, &loc->res->binding_head); | |
339 | } | |
340 | } | |
341 | ||
342 | /** | |
343 | * vmw_binding_state_kill - Kill all bindings associated with a | |
344 | * struct vmw_ctx_binding state structure, and re-initialize the structure. | |
345 | * | |
346 | * @cbs: Pointer to the context binding state tracker. | |
347 | * | |
348 | * Emits commands to scrub all bindings associated with the | |
349 | * context binding state tracker. Then re-initializes the whole structure. | |
350 | */ | |
351 | void vmw_binding_state_kill(struct vmw_ctx_binding_state *cbs) | |
352 | { | |
353 | struct vmw_ctx_bindinfo *entry, *next; | |
354 | ||
355 | vmw_binding_state_scrub(cbs); | |
356 | list_for_each_entry_safe(entry, next, &cbs->list, ctx_list) | |
357 | vmw_binding_drop(entry); | |
358 | } | |
359 | ||
360 | /** | |
361 | * vmw_binding_state_scrub - Scrub all bindings associated with a | |
362 | * struct vmw_ctx_binding state structure. | |
363 | * | |
364 | * @cbs: Pointer to the context binding state tracker. | |
365 | * | |
366 | * Emits commands to scrub all bindings associated with the | |
367 | * context binding state tracker. | |
368 | */ | |
369 | void vmw_binding_state_scrub(struct vmw_ctx_binding_state *cbs) | |
370 | { | |
371 | struct vmw_ctx_bindinfo *entry; | |
372 | ||
373 | list_for_each_entry(entry, &cbs->list, ctx_list) { | |
374 | if (!entry->scrubbed) { | |
375 | (void) vmw_binding_infos[entry->bt].scrub_func | |
376 | (entry, false); | |
377 | entry->scrubbed = true; | |
378 | } | |
379 | } | |
380 | ||
381 | (void) vmw_binding_emit_dirty(cbs); | |
382 | } | |
383 | ||
384 | /** | |
385 | * vmw_binding_res_list_kill - Kill all bindings on a | |
386 | * resource binding list | |
387 | * | |
388 | * @head: list head of resource binding list | |
389 | * | |
390 | * Kills all bindings associated with a specific resource. Typically | |
391 | * called before the resource is destroyed. | |
392 | */ | |
393 | void vmw_binding_res_list_kill(struct list_head *head) | |
394 | { | |
395 | struct vmw_ctx_bindinfo *entry, *next; | |
396 | ||
397 | vmw_binding_res_list_scrub(head); | |
398 | list_for_each_entry_safe(entry, next, head, res_list) | |
399 | vmw_binding_drop(entry); | |
400 | } | |
401 | ||
402 | /** | |
403 | * vmw_binding_res_list_scrub - Scrub all bindings on a | |
404 | * resource binding list | |
405 | * | |
406 | * @head: list head of resource binding list | |
407 | * | |
408 | * Scrub all bindings associated with a specific resource. Typically | |
409 | * called before the resource is evicted. | |
410 | */ | |
411 | void vmw_binding_res_list_scrub(struct list_head *head) | |
412 | { | |
413 | struct vmw_ctx_bindinfo *entry; | |
414 | ||
415 | list_for_each_entry(entry, head, res_list) { | |
416 | if (!entry->scrubbed) { | |
417 | (void) vmw_binding_infos[entry->bt].scrub_func | |
418 | (entry, false); | |
419 | entry->scrubbed = true; | |
420 | } | |
421 | } | |
422 | ||
423 | list_for_each_entry(entry, head, res_list) { | |
424 | struct vmw_ctx_binding_state *cbs = | |
425 | vmw_context_binding_state(entry->ctx); | |
426 | ||
427 | (void) vmw_binding_emit_dirty(cbs); | |
428 | } | |
429 | } | |
430 | ||
431 | ||
432 | /** | |
433 | * vmw_binding_state_commit - Commit staged binding info | |
434 | * | |
435 | * @ctx: Pointer to context to commit the staged binding info to. | |
436 | * @from: Staged binding info built during execbuf. | |
437 | * @scrubbed: Transfer only scrubbed bindings. | |
438 | * | |
439 | * Transfers binding info from a temporary structure | |
440 | * (typically used by execbuf) to the persistent | |
441 | * structure in the context. This can be done once commands have been | |
442 | * submitted to hardware | |
443 | */ | |
444 | void vmw_binding_state_commit(struct vmw_ctx_binding_state *to, | |
445 | struct vmw_ctx_binding_state *from) | |
446 | { | |
447 | struct vmw_ctx_bindinfo *entry, *next; | |
448 | ||
449 | list_for_each_entry_safe(entry, next, &from->list, ctx_list) { | |
450 | vmw_binding_transfer(to, from, entry); | |
451 | vmw_binding_drop(entry); | |
452 | } | |
453 | } | |
454 | ||
455 | /** | |
456 | * vmw_binding_rebind_all - Rebind all scrubbed bindings of a context | |
457 | * | |
458 | * @ctx: The context resource | |
459 | * | |
460 | * Walks through the context binding list and rebinds all scrubbed | |
461 | * resources. | |
462 | */ | |
463 | int vmw_binding_rebind_all(struct vmw_ctx_binding_state *cbs) | |
464 | { | |
465 | struct vmw_ctx_bindinfo *entry; | |
466 | int ret; | |
467 | ||
468 | list_for_each_entry(entry, &cbs->list, ctx_list) { | |
469 | if (likely(!entry->scrubbed)) | |
470 | continue; | |
471 | ||
472 | if ((entry->res == NULL || entry->res->id == | |
473 | SVGA3D_INVALID_ID)) | |
474 | continue; | |
475 | ||
476 | ret = vmw_binding_infos[entry->bt].scrub_func(entry, true); | |
477 | if (unlikely(ret != 0)) | |
478 | return ret; | |
479 | ||
480 | entry->scrubbed = false; | |
481 | } | |
482 | ||
483 | return vmw_binding_emit_dirty(cbs); | |
484 | } | |
485 | ||
486 | /** | |
487 | * vmw_binding_scrub_shader - scrub a shader binding from a context. | |
488 | * | |
489 | * @bi: single binding information. | |
490 | * @rebind: Whether to issue a bind instead of scrub command. | |
491 | */ | |
492 | static int vmw_binding_scrub_shader(struct vmw_ctx_bindinfo *bi, bool rebind) | |
493 | { | |
494 | struct vmw_ctx_bindinfo_shader *binding = | |
495 | container_of(bi, typeof(*binding), bi); | |
496 | struct vmw_private *dev_priv = bi->ctx->dev_priv; | |
497 | struct { | |
498 | SVGA3dCmdHeader header; | |
499 | SVGA3dCmdSetShader body; | |
500 | } *cmd; | |
501 | ||
502 | cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); | |
503 | if (unlikely(cmd == NULL)) { | |
504 | DRM_ERROR("Failed reserving FIFO space for shader " | |
505 | "unbinding.\n"); | |
506 | return -ENOMEM; | |
507 | } | |
508 | ||
509 | cmd->header.id = SVGA_3D_CMD_SET_SHADER; | |
510 | cmd->header.size = sizeof(cmd->body); | |
511 | cmd->body.cid = bi->ctx->id; | |
512 | cmd->body.type = binding->shader_slot + SVGA3D_SHADERTYPE_MIN; | |
513 | cmd->body.shid = ((rebind) ? bi->res->id : SVGA3D_INVALID_ID); | |
514 | vmw_fifo_commit(dev_priv, sizeof(*cmd)); | |
515 | ||
516 | return 0; | |
517 | } | |
518 | ||
519 | /** | |
520 | * vmw_binding_scrub_render_target - scrub a render target binding | |
521 | * from a context. | |
522 | * | |
523 | * @bi: single binding information. | |
524 | * @rebind: Whether to issue a bind instead of scrub command. | |
525 | */ | |
526 | static int vmw_binding_scrub_render_target(struct vmw_ctx_bindinfo *bi, | |
527 | bool rebind) | |
528 | { | |
529 | struct vmw_ctx_bindinfo_view *binding = | |
530 | container_of(bi, typeof(*binding), bi); | |
531 | struct vmw_private *dev_priv = bi->ctx->dev_priv; | |
532 | struct { | |
533 | SVGA3dCmdHeader header; | |
534 | SVGA3dCmdSetRenderTarget body; | |
535 | } *cmd; | |
536 | ||
537 | cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); | |
538 | if (unlikely(cmd == NULL)) { | |
539 | DRM_ERROR("Failed reserving FIFO space for render target " | |
540 | "unbinding.\n"); | |
541 | return -ENOMEM; | |
542 | } | |
543 | ||
544 | cmd->header.id = SVGA_3D_CMD_SETRENDERTARGET; | |
545 | cmd->header.size = sizeof(cmd->body); | |
546 | cmd->body.cid = bi->ctx->id; | |
547 | cmd->body.type = binding->slot; | |
548 | cmd->body.target.sid = ((rebind) ? bi->res->id : SVGA3D_INVALID_ID); | |
549 | cmd->body.target.face = 0; | |
550 | cmd->body.target.mipmap = 0; | |
551 | vmw_fifo_commit(dev_priv, sizeof(*cmd)); | |
552 | ||
553 | return 0; | |
554 | } | |
555 | ||
556 | /** | |
557 | * vmw_binding_scrub_texture - scrub a texture binding from a context. | |
558 | * | |
559 | * @bi: single binding information. | |
560 | * @rebind: Whether to issue a bind instead of scrub command. | |
561 | * | |
562 | * TODO: Possibly complement this function with a function that takes | |
563 | * a list of texture bindings and combines them to a single command. | |
564 | */ | |
565 | static int vmw_binding_scrub_texture(struct vmw_ctx_bindinfo *bi, | |
566 | bool rebind) | |
567 | { | |
568 | struct vmw_ctx_bindinfo_tex *binding = | |
569 | container_of(bi, typeof(*binding), bi); | |
570 | struct vmw_private *dev_priv = bi->ctx->dev_priv; | |
571 | struct { | |
572 | SVGA3dCmdHeader header; | |
573 | struct { | |
574 | SVGA3dCmdSetTextureState c; | |
575 | SVGA3dTextureState s1; | |
576 | } body; | |
577 | } *cmd; | |
578 | ||
579 | cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); | |
580 | if (unlikely(cmd == NULL)) { | |
581 | DRM_ERROR("Failed reserving FIFO space for texture " | |
582 | "unbinding.\n"); | |
583 | return -ENOMEM; | |
584 | } | |
585 | ||
586 | cmd->header.id = SVGA_3D_CMD_SETTEXTURESTATE; | |
587 | cmd->header.size = sizeof(cmd->body); | |
588 | cmd->body.c.cid = bi->ctx->id; | |
589 | cmd->body.s1.stage = binding->texture_stage; | |
590 | cmd->body.s1.name = SVGA3D_TS_BIND_TEXTURE; | |
591 | cmd->body.s1.value = ((rebind) ? bi->res->id : SVGA3D_INVALID_ID); | |
592 | vmw_fifo_commit(dev_priv, sizeof(*cmd)); | |
593 | ||
594 | return 0; | |
595 | } | |
596 | ||
597 | /** | |
598 | * vmw_binding_scrub_dx_shader - scrub a dx shader binding from a context. | |
599 | * | |
600 | * @bi: single binding information. | |
601 | * @rebind: Whether to issue a bind instead of scrub command. | |
602 | */ | |
603 | static int vmw_binding_scrub_dx_shader(struct vmw_ctx_bindinfo *bi, bool rebind) | |
604 | { | |
605 | struct vmw_ctx_bindinfo_shader *binding = | |
606 | container_of(bi, typeof(*binding), bi); | |
607 | struct vmw_private *dev_priv = bi->ctx->dev_priv; | |
608 | struct { | |
609 | SVGA3dCmdHeader header; | |
610 | SVGA3dCmdDXSetShader body; | |
611 | } *cmd; | |
612 | ||
613 | cmd = vmw_fifo_reserve_dx(dev_priv, sizeof(*cmd), bi->ctx->id); | |
614 | if (unlikely(cmd == NULL)) { | |
615 | DRM_ERROR("Failed reserving FIFO space for DX shader " | |
616 | "unbinding.\n"); | |
617 | return -ENOMEM; | |
618 | } | |
619 | cmd->header.id = SVGA_3D_CMD_DX_SET_SHADER; | |
620 | cmd->header.size = sizeof(cmd->body); | |
621 | cmd->body.type = binding->shader_slot + SVGA3D_SHADERTYPE_MIN; | |
622 | cmd->body.shaderId = ((rebind) ? bi->res->id : SVGA3D_INVALID_ID); | |
623 | vmw_fifo_commit(dev_priv, sizeof(*cmd)); | |
624 | ||
625 | return 0; | |
626 | } | |
627 | ||
628 | /** | |
629 | * vmw_binding_scrub_cb - scrub a constant buffer binding from a context. | |
630 | * | |
631 | * @bi: single binding information. | |
632 | * @rebind: Whether to issue a bind instead of scrub command. | |
633 | */ | |
634 | static int vmw_binding_scrub_cb(struct vmw_ctx_bindinfo *bi, bool rebind) | |
635 | { | |
636 | struct vmw_ctx_bindinfo_cb *binding = | |
637 | container_of(bi, typeof(*binding), bi); | |
638 | struct vmw_private *dev_priv = bi->ctx->dev_priv; | |
639 | struct { | |
640 | SVGA3dCmdHeader header; | |
641 | SVGA3dCmdDXSetSingleConstantBuffer body; | |
642 | } *cmd; | |
643 | ||
644 | cmd = vmw_fifo_reserve_dx(dev_priv, sizeof(*cmd), bi->ctx->id); | |
645 | if (unlikely(cmd == NULL)) { | |
646 | DRM_ERROR("Failed reserving FIFO space for DX shader " | |
647 | "unbinding.\n"); | |
648 | return -ENOMEM; | |
649 | } | |
650 | ||
651 | cmd->header.id = SVGA_3D_CMD_DX_SET_SINGLE_CONSTANT_BUFFER; | |
652 | cmd->header.size = sizeof(cmd->body); | |
653 | cmd->body.slot = binding->slot; | |
654 | cmd->body.type = binding->shader_slot + SVGA3D_SHADERTYPE_MIN; | |
655 | if (rebind) { | |
656 | cmd->body.offsetInBytes = binding->offset; | |
657 | cmd->body.sizeInBytes = binding->size; | |
658 | cmd->body.sid = bi->res->id; | |
659 | } else { | |
660 | cmd->body.offsetInBytes = 0; | |
661 | cmd->body.sizeInBytes = 0; | |
662 | cmd->body.sid = SVGA3D_INVALID_ID; | |
663 | } | |
664 | vmw_fifo_commit(dev_priv, sizeof(*cmd)); | |
665 | ||
666 | return 0; | |
667 | } | |
668 | ||
669 | /** | |
670 | * vmw_collect_view_ids - Build view id data for a view binding command | |
671 | * without checking which bindings actually need to be emitted | |
672 | * | |
673 | * @cbs: Pointer to the context's struct vmw_ctx_binding_state | |
674 | * @bi: Pointer to where the binding info array is stored in @cbs | |
675 | * @max_num: Maximum number of entries in the @bi array. | |
676 | * | |
677 | * Scans the @bi array for bindings and builds a buffer of view id data. | |
678 | * Stops at the first non-existing binding in the @bi array. | |
679 | * On output, @cbs->bind_cmd_count contains the number of bindings to be | |
680 | * emitted, @cbs->bind_first_slot is set to zero, and @cbs->bind_cmd_buffer | |
681 | * contains the command data. | |
682 | */ | |
683 | static void vmw_collect_view_ids(struct vmw_ctx_binding_state *cbs, | |
684 | const struct vmw_ctx_bindinfo *bi, | |
685 | u32 max_num) | |
686 | { | |
687 | const struct vmw_ctx_bindinfo_view *biv = | |
688 | container_of(bi, struct vmw_ctx_bindinfo_view, bi); | |
689 | unsigned long i; | |
690 | ||
691 | cbs->bind_cmd_count = 0; | |
692 | cbs->bind_first_slot = 0; | |
693 | ||
694 | for (i = 0; i < max_num; ++i, ++biv) { | |
695 | if (!biv->bi.ctx) | |
696 | break; | |
697 | ||
698 | cbs->bind_cmd_buffer[cbs->bind_cmd_count++] = | |
699 | ((biv->bi.scrubbed) ? | |
700 | SVGA3D_INVALID_ID : biv->bi.res->id); | |
701 | } | |
702 | } | |
703 | ||
704 | /** | |
705 | * vmw_collect_dirty_view_ids - Build view id data for a view binding command | |
706 | * | |
707 | * @cbs: Pointer to the context's struct vmw_ctx_binding_state | |
708 | * @bi: Pointer to where the binding info array is stored in @cbs | |
709 | * @dirty: Bitmap indicating which bindings need to be emitted. | |
710 | * @max_num: Maximum number of entries in the @bi array. | |
711 | * | |
712 | * Scans the @bi array for bindings that need to be emitted and | |
713 | * builds a buffer of view id data. | |
714 | * On output, @cbs->bind_cmd_count contains the number of bindings to be | |
715 | * emitted, @cbs->bind_first_slot indicates the index of the first emitted | |
716 | * binding, and @cbs->bind_cmd_buffer contains the command data. | |
717 | */ | |
718 | static void vmw_collect_dirty_view_ids(struct vmw_ctx_binding_state *cbs, | |
719 | const struct vmw_ctx_bindinfo *bi, | |
720 | unsigned long *dirty, | |
721 | u32 max_num) | |
722 | { | |
723 | const struct vmw_ctx_bindinfo_view *biv = | |
724 | container_of(bi, struct vmw_ctx_bindinfo_view, bi); | |
725 | unsigned long i, next_bit; | |
726 | ||
727 | cbs->bind_cmd_count = 0; | |
728 | i = find_first_bit(dirty, max_num); | |
729 | next_bit = i; | |
730 | cbs->bind_first_slot = i; | |
731 | ||
732 | biv += i; | |
733 | for (; i < max_num; ++i, ++biv) { | |
734 | cbs->bind_cmd_buffer[cbs->bind_cmd_count++] = | |
735 | ((!biv->bi.ctx || biv->bi.scrubbed) ? | |
736 | SVGA3D_INVALID_ID : biv->bi.res->id); | |
737 | ||
738 | if (next_bit == i) { | |
739 | next_bit = find_next_bit(dirty, max_num, i + 1); | |
740 | if (next_bit >= max_num) | |
741 | break; | |
742 | } | |
743 | } | |
744 | } | |
745 | ||
746 | /** | |
747 | * vmw_binding_emit_set_sr - Issue delayed DX shader resource binding commands | |
748 | * | |
749 | * @cbs: Pointer to the context's struct vmw_ctx_binding_state | |
750 | */ | |
751 | static int vmw_emit_set_sr(struct vmw_ctx_binding_state *cbs, | |
752 | int shader_slot) | |
753 | { | |
754 | const struct vmw_ctx_bindinfo *loc = | |
755 | &cbs->per_shader[shader_slot].shader_res[0].bi; | |
756 | struct { | |
757 | SVGA3dCmdHeader header; | |
758 | SVGA3dCmdDXSetShaderResources body; | |
759 | } *cmd; | |
760 | size_t cmd_size, view_id_size; | |
761 | const struct vmw_resource *ctx = vmw_cbs_context(cbs); | |
762 | ||
763 | vmw_collect_dirty_view_ids(cbs, loc, | |
764 | cbs->per_shader[shader_slot].dirty_sr, | |
765 | SVGA3D_DX_MAX_SRVIEWS); | |
766 | if (cbs->bind_cmd_count == 0) | |
767 | return 0; | |
768 | ||
769 | view_id_size = cbs->bind_cmd_count*sizeof(uint32); | |
770 | cmd_size = sizeof(*cmd) + view_id_size; | |
771 | cmd = vmw_fifo_reserve_dx(ctx->dev_priv, cmd_size, ctx->id); | |
772 | if (unlikely(cmd == NULL)) { | |
773 | DRM_ERROR("Failed reserving FIFO space for DX shader" | |
774 | " resource binding.\n"); | |
775 | return -ENOMEM; | |
776 | } | |
777 | ||
778 | cmd->header.id = SVGA_3D_CMD_DX_SET_SHADER_RESOURCES; | |
779 | cmd->header.size = sizeof(cmd->body) + view_id_size; | |
780 | cmd->body.type = shader_slot + SVGA3D_SHADERTYPE_MIN; | |
781 | cmd->body.startView = cbs->bind_first_slot; | |
782 | ||
783 | memcpy(&cmd[1], cbs->bind_cmd_buffer, view_id_size); | |
784 | ||
785 | vmw_fifo_commit(ctx->dev_priv, cmd_size); | |
786 | bitmap_clear(cbs->per_shader[shader_slot].dirty_sr, | |
787 | cbs->bind_first_slot, cbs->bind_cmd_count); | |
788 | ||
789 | return 0; | |
790 | } | |
791 | ||
792 | /** | |
793 | * vmw_binding_emit_set_rt - Issue delayed DX rendertarget binding commands | |
794 | * | |
795 | * @cbs: Pointer to the context's struct vmw_ctx_binding_state | |
796 | */ | |
797 | static int vmw_emit_set_rt(struct vmw_ctx_binding_state *cbs) | |
798 | { | |
799 | const struct vmw_ctx_bindinfo *loc = &cbs->render_targets[0].bi; | |
800 | struct { | |
801 | SVGA3dCmdHeader header; | |
802 | SVGA3dCmdDXSetRenderTargets body; | |
803 | } *cmd; | |
804 | size_t cmd_size, view_id_size; | |
805 | const struct vmw_resource *ctx = vmw_cbs_context(cbs); | |
806 | ||
807 | vmw_collect_view_ids(cbs, loc, SVGA3D_MAX_SIMULTANEOUS_RENDER_TARGETS); | |
808 | view_id_size = cbs->bind_cmd_count*sizeof(uint32); | |
809 | cmd_size = sizeof(*cmd) + view_id_size; | |
810 | cmd = vmw_fifo_reserve_dx(ctx->dev_priv, cmd_size, ctx->id); | |
811 | if (unlikely(cmd == NULL)) { | |
812 | DRM_ERROR("Failed reserving FIFO space for DX render-target" | |
813 | " binding.\n"); | |
814 | return -ENOMEM; | |
815 | } | |
816 | ||
817 | cmd->header.id = SVGA_3D_CMD_DX_SET_RENDERTARGETS; | |
818 | cmd->header.size = sizeof(cmd->body) + view_id_size; | |
819 | ||
820 | if (cbs->ds_view.bi.ctx && !cbs->ds_view.bi.scrubbed) | |
821 | cmd->body.depthStencilViewId = cbs->ds_view.bi.res->id; | |
822 | else | |
823 | cmd->body.depthStencilViewId = SVGA3D_INVALID_ID; | |
824 | ||
825 | memcpy(&cmd[1], cbs->bind_cmd_buffer, view_id_size); | |
826 | ||
827 | vmw_fifo_commit(ctx->dev_priv, cmd_size); | |
828 | ||
829 | return 0; | |
830 | ||
831 | } | |
832 | ||
833 | /** | |
834 | * vmw_collect_so_targets - Build SVGA3dSoTarget data for a binding command | |
835 | * without checking which bindings actually need to be emitted | |
836 | * | |
837 | * @cbs: Pointer to the context's struct vmw_ctx_binding_state | |
838 | * @bi: Pointer to where the binding info array is stored in @cbs | |
839 | * @max_num: Maximum number of entries in the @bi array. | |
840 | * | |
841 | * Scans the @bi array for bindings and builds a buffer of SVGA3dSoTarget data. | |
842 | * Stops at the first non-existing binding in the @bi array. | |
843 | * On output, @cbs->bind_cmd_count contains the number of bindings to be | |
844 | * emitted, @cbs->bind_first_slot is set to zero, and @cbs->bind_cmd_buffer | |
845 | * contains the command data. | |
846 | */ | |
847 | static void vmw_collect_so_targets(struct vmw_ctx_binding_state *cbs, | |
848 | const struct vmw_ctx_bindinfo *bi, | |
849 | u32 max_num) | |
850 | { | |
851 | const struct vmw_ctx_bindinfo_so *biso = | |
852 | container_of(bi, struct vmw_ctx_bindinfo_so, bi); | |
853 | unsigned long i; | |
854 | SVGA3dSoTarget *so_buffer = (SVGA3dSoTarget *) cbs->bind_cmd_buffer; | |
855 | ||
856 | cbs->bind_cmd_count = 0; | |
857 | cbs->bind_first_slot = 0; | |
858 | ||
859 | for (i = 0; i < max_num; ++i, ++biso, ++so_buffer, | |
860 | ++cbs->bind_cmd_count) { | |
861 | if (!biso->bi.ctx) | |
862 | break; | |
863 | ||
864 | if (!biso->bi.scrubbed) { | |
865 | so_buffer->sid = biso->bi.res->id; | |
866 | so_buffer->offset = biso->offset; | |
867 | so_buffer->sizeInBytes = biso->size; | |
868 | } else { | |
869 | so_buffer->sid = SVGA3D_INVALID_ID; | |
870 | so_buffer->offset = 0; | |
871 | so_buffer->sizeInBytes = 0; | |
872 | } | |
873 | } | |
874 | } | |
875 | ||
876 | /** | |
877 | * vmw_binding_emit_set_so - Issue delayed streamout binding commands | |
878 | * | |
879 | * @cbs: Pointer to the context's struct vmw_ctx_binding_state | |
880 | */ | |
881 | static int vmw_emit_set_so(struct vmw_ctx_binding_state *cbs) | |
882 | { | |
883 | const struct vmw_ctx_bindinfo *loc = &cbs->so_targets[0].bi; | |
884 | struct { | |
885 | SVGA3dCmdHeader header; | |
886 | SVGA3dCmdDXSetSOTargets body; | |
887 | } *cmd; | |
888 | size_t cmd_size, so_target_size; | |
889 | const struct vmw_resource *ctx = vmw_cbs_context(cbs); | |
890 | ||
891 | vmw_collect_so_targets(cbs, loc, SVGA3D_DX_MAX_SOTARGETS); | |
892 | if (cbs->bind_cmd_count == 0) | |
893 | return 0; | |
894 | ||
895 | so_target_size = cbs->bind_cmd_count*sizeof(SVGA3dSoTarget); | |
896 | cmd_size = sizeof(*cmd) + so_target_size; | |
897 | cmd = vmw_fifo_reserve_dx(ctx->dev_priv, cmd_size, ctx->id); | |
898 | if (unlikely(cmd == NULL)) { | |
899 | DRM_ERROR("Failed reserving FIFO space for DX SO target" | |
900 | " binding.\n"); | |
901 | return -ENOMEM; | |
902 | } | |
903 | ||
904 | cmd->header.id = SVGA_3D_CMD_DX_SET_SOTARGETS; | |
905 | cmd->header.size = sizeof(cmd->body) + so_target_size; | |
906 | memcpy(&cmd[1], cbs->bind_cmd_buffer, so_target_size); | |
907 | ||
908 | vmw_fifo_commit(ctx->dev_priv, cmd_size); | |
909 | ||
910 | return 0; | |
911 | ||
912 | } | |
913 | ||
914 | /** | |
915 | * vmw_binding_emit_dirty_ps - Issue delayed per shader binding commands | |
916 | * | |
917 | * @cbs: Pointer to the context's struct vmw_ctx_binding_state | |
918 | * | |
919 | */ | |
920 | static int vmw_binding_emit_dirty_ps(struct vmw_ctx_binding_state *cbs) | |
921 | { | |
922 | struct vmw_dx_shader_bindings *sb = &cbs->per_shader[0]; | |
923 | u32 i; | |
924 | int ret; | |
925 | ||
926 | for (i = 0; i < SVGA3D_NUM_SHADERTYPE_DX10; ++i, ++sb) { | |
927 | if (!test_bit(VMW_BINDING_PS_SR_BIT, &sb->dirty)) | |
928 | continue; | |
929 | ||
930 | ret = vmw_emit_set_sr(cbs, i); | |
931 | if (ret) | |
932 | break; | |
933 | ||
934 | __clear_bit(VMW_BINDING_PS_SR_BIT, &sb->dirty); | |
935 | } | |
936 | ||
937 | return 0; | |
938 | } | |
939 | ||
940 | /** | |
941 | * vmw_collect_dirty_vbs - Build SVGA3dVertexBuffer data for a | |
942 | * SVGA3dCmdDXSetVertexBuffers command | |
943 | * | |
944 | * @cbs: Pointer to the context's struct vmw_ctx_binding_state | |
945 | * @bi: Pointer to where the binding info array is stored in @cbs | |
946 | * @dirty: Bitmap indicating which bindings need to be emitted. | |
947 | * @max_num: Maximum number of entries in the @bi array. | |
948 | * | |
949 | * Scans the @bi array for bindings that need to be emitted and | |
950 | * builds a buffer of SVGA3dVertexBuffer data. | |
951 | * On output, @cbs->bind_cmd_count contains the number of bindings to be | |
952 | * emitted, @cbs->bind_first_slot indicates the index of the first emitted | |
953 | * binding, and @cbs->bind_cmd_buffer contains the command data. | |
954 | */ | |
955 | static void vmw_collect_dirty_vbs(struct vmw_ctx_binding_state *cbs, | |
956 | const struct vmw_ctx_bindinfo *bi, | |
957 | unsigned long *dirty, | |
958 | u32 max_num) | |
959 | { | |
960 | const struct vmw_ctx_bindinfo_vb *biv = | |
961 | container_of(bi, struct vmw_ctx_bindinfo_vb, bi); | |
962 | unsigned long i, next_bit; | |
963 | SVGA3dVertexBuffer *vbs = (SVGA3dVertexBuffer *) &cbs->bind_cmd_buffer; | |
964 | ||
965 | cbs->bind_cmd_count = 0; | |
966 | i = find_first_bit(dirty, max_num); | |
967 | next_bit = i; | |
968 | cbs->bind_first_slot = i; | |
969 | ||
970 | biv += i; | |
971 | for (; i < max_num; ++i, ++biv, ++vbs) { | |
972 | if (!biv->bi.ctx || biv->bi.scrubbed) { | |
973 | vbs->sid = SVGA3D_INVALID_ID; | |
974 | vbs->stride = 0; | |
975 | vbs->offset = 0; | |
976 | } else { | |
977 | vbs->sid = biv->bi.res->id; | |
978 | vbs->stride = biv->stride; | |
979 | vbs->offset = biv->offset; | |
980 | } | |
981 | cbs->bind_cmd_count++; | |
982 | if (next_bit == i) { | |
983 | next_bit = find_next_bit(dirty, max_num, i + 1); | |
984 | if (next_bit >= max_num) | |
985 | break; | |
986 | } | |
987 | } | |
988 | } | |
989 | ||
990 | /** | |
991 | * vmw_binding_emit_set_vb - Issue delayed vertex buffer binding commands | |
992 | * | |
993 | * @cbs: Pointer to the context's struct vmw_ctx_binding_state | |
994 | * | |
995 | */ | |
996 | static int vmw_emit_set_vb(struct vmw_ctx_binding_state *cbs) | |
997 | { | |
998 | const struct vmw_ctx_bindinfo *loc = | |
999 | &cbs->vertex_buffers[0].bi; | |
1000 | struct { | |
1001 | SVGA3dCmdHeader header; | |
1002 | SVGA3dCmdDXSetVertexBuffers body; | |
1003 | } *cmd; | |
1004 | size_t cmd_size, set_vb_size; | |
1005 | const struct vmw_resource *ctx = vmw_cbs_context(cbs); | |
1006 | ||
1007 | vmw_collect_dirty_vbs(cbs, loc, cbs->dirty_vb, | |
1008 | SVGA3D_DX_MAX_VERTEXBUFFERS); | |
1009 | if (cbs->bind_cmd_count == 0) | |
1010 | return 0; | |
1011 | ||
1012 | set_vb_size = cbs->bind_cmd_count*sizeof(SVGA3dVertexBuffer); | |
1013 | cmd_size = sizeof(*cmd) + set_vb_size; | |
1014 | cmd = vmw_fifo_reserve_dx(ctx->dev_priv, cmd_size, ctx->id); | |
1015 | if (unlikely(cmd == NULL)) { | |
1016 | DRM_ERROR("Failed reserving FIFO space for DX vertex buffer" | |
1017 | " binding.\n"); | |
1018 | return -ENOMEM; | |
1019 | } | |
1020 | ||
1021 | cmd->header.id = SVGA_3D_CMD_DX_SET_VERTEX_BUFFERS; | |
1022 | cmd->header.size = sizeof(cmd->body) + set_vb_size; | |
1023 | cmd->body.startBuffer = cbs->bind_first_slot; | |
1024 | ||
1025 | memcpy(&cmd[1], cbs->bind_cmd_buffer, set_vb_size); | |
1026 | ||
1027 | vmw_fifo_commit(ctx->dev_priv, cmd_size); | |
1028 | bitmap_clear(cbs->dirty_vb, | |
1029 | cbs->bind_first_slot, cbs->bind_cmd_count); | |
1030 | ||
1031 | return 0; | |
1032 | } | |
1033 | ||
1034 | /** | |
1035 | * vmw_binding_emit_dirty - Issue delayed binding commands | |
1036 | * | |
1037 | * @cbs: Pointer to the context's struct vmw_ctx_binding_state | |
1038 | * | |
1039 | * This function issues the delayed binding commands that arise from | |
1040 | * previous scrub / unscrub calls. These binding commands are typically | |
1041 | * commands that batch a number of bindings and therefore it makes sense | |
1042 | * to delay them. | |
1043 | */ | |
1044 | static int vmw_binding_emit_dirty(struct vmw_ctx_binding_state *cbs) | |
1045 | { | |
1046 | int ret = 0; | |
1047 | unsigned long hit = 0; | |
1048 | ||
1049 | while ((hit = find_next_bit(&cbs->dirty, VMW_BINDING_NUM_BITS, hit)) | |
1050 | < VMW_BINDING_NUM_BITS) { | |
1051 | ||
1052 | switch (hit) { | |
1053 | case VMW_BINDING_RT_BIT: | |
1054 | ret = vmw_emit_set_rt(cbs); | |
1055 | break; | |
1056 | case VMW_BINDING_PS_BIT: | |
1057 | ret = vmw_binding_emit_dirty_ps(cbs); | |
1058 | break; | |
1059 | case VMW_BINDING_SO_BIT: | |
1060 | ret = vmw_emit_set_so(cbs); | |
1061 | break; | |
1062 | case VMW_BINDING_VB_BIT: | |
1063 | ret = vmw_emit_set_vb(cbs); | |
1064 | break; | |
1065 | default: | |
1066 | BUG(); | |
1067 | } | |
1068 | if (ret) | |
1069 | return ret; | |
1070 | ||
1071 | __clear_bit(hit, &cbs->dirty); | |
1072 | hit++; | |
1073 | } | |
1074 | ||
1075 | return 0; | |
1076 | } | |
1077 | ||
1078 | /** | |
1079 | * vmw_binding_scrub_sr - Schedule a dx shaderresource binding | |
1080 | * scrub from a context | |
1081 | * | |
1082 | * @bi: single binding information. | |
1083 | * @rebind: Whether to issue a bind instead of scrub command. | |
1084 | */ | |
1085 | static int vmw_binding_scrub_sr(struct vmw_ctx_bindinfo *bi, bool rebind) | |
1086 | { | |
1087 | struct vmw_ctx_bindinfo_view *biv = | |
1088 | container_of(bi, struct vmw_ctx_bindinfo_view, bi); | |
1089 | struct vmw_ctx_binding_state *cbs = | |
1090 | vmw_context_binding_state(bi->ctx); | |
1091 | ||
1092 | __set_bit(biv->slot, cbs->per_shader[biv->shader_slot].dirty_sr); | |
1093 | __set_bit(VMW_BINDING_PS_SR_BIT, | |
1094 | &cbs->per_shader[biv->shader_slot].dirty); | |
1095 | __set_bit(VMW_BINDING_PS_BIT, &cbs->dirty); | |
1096 | ||
1097 | return 0; | |
1098 | } | |
1099 | ||
1100 | /** | |
1101 | * vmw_binding_scrub_dx_rt - Schedule a dx rendertarget binding | |
1102 | * scrub from a context | |
1103 | * | |
1104 | * @bi: single binding information. | |
1105 | * @rebind: Whether to issue a bind instead of scrub command. | |
1106 | */ | |
1107 | static int vmw_binding_scrub_dx_rt(struct vmw_ctx_bindinfo *bi, bool rebind) | |
1108 | { | |
1109 | struct vmw_ctx_binding_state *cbs = | |
1110 | vmw_context_binding_state(bi->ctx); | |
1111 | ||
1112 | __set_bit(VMW_BINDING_RT_BIT, &cbs->dirty); | |
1113 | ||
1114 | return 0; | |
1115 | } | |
1116 | ||
1117 | /** | |
1118 | * vmw_binding_scrub_so - Schedule a dx streamoutput buffer binding | |
1119 | * scrub from a context | |
1120 | * | |
1121 | * @bi: single binding information. | |
1122 | * @rebind: Whether to issue a bind instead of scrub command. | |
1123 | */ | |
1124 | static int vmw_binding_scrub_so(struct vmw_ctx_bindinfo *bi, bool rebind) | |
1125 | { | |
1126 | struct vmw_ctx_binding_state *cbs = | |
1127 | vmw_context_binding_state(bi->ctx); | |
1128 | ||
1129 | __set_bit(VMW_BINDING_SO_BIT, &cbs->dirty); | |
1130 | ||
1131 | return 0; | |
1132 | } | |
1133 | ||
1134 | /** | |
1135 | * vmw_binding_scrub_vb - Schedule a dx vertex buffer binding | |
1136 | * scrub from a context | |
1137 | * | |
1138 | * @bi: single binding information. | |
1139 | * @rebind: Whether to issue a bind instead of scrub command. | |
1140 | */ | |
1141 | static int vmw_binding_scrub_vb(struct vmw_ctx_bindinfo *bi, bool rebind) | |
1142 | { | |
1143 | struct vmw_ctx_bindinfo_vb *bivb = | |
1144 | container_of(bi, struct vmw_ctx_bindinfo_vb, bi); | |
1145 | struct vmw_ctx_binding_state *cbs = | |
1146 | vmw_context_binding_state(bi->ctx); | |
1147 | ||
1148 | __set_bit(bivb->slot, cbs->dirty_vb); | |
1149 | __set_bit(VMW_BINDING_VB_BIT, &cbs->dirty); | |
1150 | ||
1151 | return 0; | |
1152 | } | |
1153 | ||
1154 | /** | |
1155 | * vmw_binding_scrub_ib - scrub a dx index buffer binding from a context | |
1156 | * | |
1157 | * @bi: single binding information. | |
1158 | * @rebind: Whether to issue a bind instead of scrub command. | |
1159 | */ | |
1160 | static int vmw_binding_scrub_ib(struct vmw_ctx_bindinfo *bi, bool rebind) | |
1161 | { | |
1162 | struct vmw_ctx_bindinfo_ib *binding = | |
1163 | container_of(bi, typeof(*binding), bi); | |
1164 | struct vmw_private *dev_priv = bi->ctx->dev_priv; | |
1165 | struct { | |
1166 | SVGA3dCmdHeader header; | |
1167 | SVGA3dCmdDXSetIndexBuffer body; | |
1168 | } *cmd; | |
1169 | ||
1170 | cmd = vmw_fifo_reserve_dx(dev_priv, sizeof(*cmd), bi->ctx->id); | |
1171 | if (unlikely(cmd == NULL)) { | |
1172 | DRM_ERROR("Failed reserving FIFO space for DX index buffer " | |
1173 | "binding.\n"); | |
1174 | return -ENOMEM; | |
1175 | } | |
1176 | cmd->header.id = SVGA_3D_CMD_DX_SET_INDEX_BUFFER; | |
1177 | cmd->header.size = sizeof(cmd->body); | |
1178 | if (rebind) { | |
1179 | cmd->body.sid = bi->res->id; | |
1180 | cmd->body.format = binding->format; | |
1181 | cmd->body.offset = binding->offset; | |
1182 | } else { | |
1183 | cmd->body.sid = SVGA3D_INVALID_ID; | |
1184 | cmd->body.format = 0; | |
1185 | cmd->body.offset = 0; | |
1186 | } | |
1187 | ||
1188 | vmw_fifo_commit(dev_priv, sizeof(*cmd)); | |
1189 | ||
1190 | return 0; | |
1191 | } | |
1192 | ||
1193 | /** | |
1194 | * vmw_binding_state_alloc - Allocate a struct vmw_ctx_binding_state with | |
1195 | * memory accounting. | |
1196 | * | |
1197 | * @dev_priv: Pointer to a device private structure. | |
1198 | * | |
1199 | * Returns a pointer to a newly allocated struct or an error pointer on error. | |
1200 | */ | |
1201 | struct vmw_ctx_binding_state * | |
1202 | vmw_binding_state_alloc(struct vmw_private *dev_priv) | |
1203 | { | |
1204 | struct vmw_ctx_binding_state *cbs; | |
1205 | int ret; | |
1206 | ||
1207 | ret = ttm_mem_global_alloc(vmw_mem_glob(dev_priv), sizeof(*cbs), | |
1208 | false, false); | |
1209 | if (ret) | |
1210 | return ERR_PTR(ret); | |
1211 | ||
1212 | cbs = vzalloc(sizeof(*cbs)); | |
1213 | if (!cbs) { | |
1214 | ttm_mem_global_free(vmw_mem_glob(dev_priv), sizeof(*cbs)); | |
1215 | return ERR_PTR(-ENOMEM); | |
1216 | } | |
1217 | ||
1218 | cbs->dev_priv = dev_priv; | |
1219 | INIT_LIST_HEAD(&cbs->list); | |
1220 | ||
1221 | return cbs; | |
1222 | } | |
1223 | ||
1224 | /** | |
1225 | * vmw_binding_state_free - Free a struct vmw_ctx_binding_state and its | |
1226 | * memory accounting info. | |
1227 | * | |
1228 | * @cbs: Pointer to the struct vmw_ctx_binding_state to be freed. | |
1229 | */ | |
1230 | void vmw_binding_state_free(struct vmw_ctx_binding_state *cbs) | |
1231 | { | |
1232 | struct vmw_private *dev_priv = cbs->dev_priv; | |
1233 | ||
1234 | vfree(cbs); | |
1235 | ttm_mem_global_free(vmw_mem_glob(dev_priv), sizeof(*cbs)); | |
1236 | } | |
1237 | ||
1238 | /** | |
1239 | * vmw_binding_state_list - Get the binding list of a | |
1240 | * struct vmw_ctx_binding_state | |
1241 | * | |
1242 | * @cbs: Pointer to the struct vmw_ctx_binding_state | |
1243 | * | |
1244 | * Returns the binding list which can be used to traverse through the bindings | |
1245 | * and access the resource information of all bindings. | |
1246 | */ | |
1247 | struct list_head *vmw_binding_state_list(struct vmw_ctx_binding_state *cbs) | |
1248 | { | |
1249 | return &cbs->list; | |
1250 | } | |
1251 | ||
1252 | /** | |
1253 | * vmwgfx_binding_state_reset - clear a struct vmw_ctx_binding_state | |
1254 | * | |
1255 | * @cbs: Pointer to the struct vmw_ctx_binding_state to be cleared | |
1256 | * | |
1257 | * Drops all bindings registered in @cbs. No device binding actions are | |
1258 | * performed. | |
1259 | */ | |
1260 | void vmw_binding_state_reset(struct vmw_ctx_binding_state *cbs) | |
1261 | { | |
1262 | struct vmw_ctx_bindinfo *entry, *next; | |
1263 | ||
1264 | list_for_each_entry_safe(entry, next, &cbs->list, ctx_list) | |
1265 | vmw_binding_drop(entry); | |
1266 | } | |
1267 | ||
1268 | /* | |
1269 | * This function is unused at run-time, and only used to hold various build | |
1270 | * asserts important for code optimization assumptions. | |
1271 | */ | |
1272 | static void vmw_binding_build_asserts(void) | |
1273 | { | |
1274 | BUILD_BUG_ON(SVGA3D_NUM_SHADERTYPE_DX10 != 3); | |
1275 | BUILD_BUG_ON(SVGA3D_MAX_SIMULTANEOUS_RENDER_TARGETS > SVGA3D_RT_MAX); | |
1276 | BUILD_BUG_ON(sizeof(uint32) != sizeof(u32)); | |
1277 | ||
1278 | /* | |
1279 | * struct vmw_ctx_binding_state::bind_cmd_buffer is used for various | |
1280 | * view id arrays. | |
1281 | */ | |
1282 | BUILD_BUG_ON(VMW_MAX_VIEW_BINDINGS < SVGA3D_RT_MAX); | |
1283 | BUILD_BUG_ON(VMW_MAX_VIEW_BINDINGS < SVGA3D_DX_MAX_SRVIEWS); | |
1284 | BUILD_BUG_ON(VMW_MAX_VIEW_BINDINGS < SVGA3D_DX_MAX_CONSTBUFFERS); | |
1285 | ||
1286 | /* | |
1287 | * struct vmw_ctx_binding_state::bind_cmd_buffer is used for | |
1288 | * u32 view ids, SVGA3dSoTargets and SVGA3dVertexBuffers | |
1289 | */ | |
1290 | BUILD_BUG_ON(SVGA3D_DX_MAX_SOTARGETS*sizeof(SVGA3dSoTarget) > | |
1291 | VMW_MAX_VIEW_BINDINGS*sizeof(u32)); | |
1292 | BUILD_BUG_ON(SVGA3D_DX_MAX_VERTEXBUFFERS*sizeof(SVGA3dVertexBuffer) > | |
1293 | VMW_MAX_VIEW_BINDINGS*sizeof(u32)); | |
1294 | } |