2 * Copyright © 2014-2015 Broadcom
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
26 * Functions for submitting VC4 render jobs to the kernel.
30 #include "vc4_context.h"
31 #include "util/hash_table.h"
34 remove_from_ht(struct hash_table
*ht
, void *key
)
36 struct hash_entry
*entry
= _mesa_hash_table_search(ht
, key
);
37 _mesa_hash_table_remove(ht
, entry
);
41 vc4_job_free(struct vc4_context
*vc4
, struct vc4_job
*job
)
43 struct vc4_bo
**referenced_bos
= job
->bo_pointers
.base
;
44 for (int i
= 0; i
< cl_offset(&job
->bo_handles
) / 4; i
++) {
45 vc4_bo_unreference(&referenced_bos
[i
]);
48 remove_from_ht(vc4
->jobs
, &job
->key
);
50 if (job
->color_write
) {
51 remove_from_ht(vc4
->write_jobs
, job
->color_write
->texture
);
52 pipe_surface_reference(&job
->color_write
, NULL
);
54 if (job
->msaa_color_write
) {
55 remove_from_ht(vc4
->write_jobs
, job
->msaa_color_write
->texture
);
56 pipe_surface_reference(&job
->msaa_color_write
, NULL
);
59 remove_from_ht(vc4
->write_jobs
, job
->zs_write
->texture
);
60 pipe_surface_reference(&job
->zs_write
, NULL
);
62 if (job
->msaa_zs_write
) {
63 remove_from_ht(vc4
->write_jobs
, job
->msaa_zs_write
->texture
);
64 pipe_surface_reference(&job
->msaa_zs_write
, NULL
);
67 pipe_surface_reference(&job
->color_read
, NULL
);
68 pipe_surface_reference(&job
->zs_read
, NULL
);
76 static struct vc4_job
*
77 vc4_job_create(struct vc4_context
*vc4
)
79 struct vc4_job
*job
= rzalloc(vc4
, struct vc4_job
);
81 vc4_init_cl(job
, &job
->bcl
);
82 vc4_init_cl(job
, &job
->shader_rec
);
83 vc4_init_cl(job
, &job
->uniforms
);
84 vc4_init_cl(job
, &job
->bo_handles
);
85 vc4_init_cl(job
, &job
->bo_pointers
);
96 vc4_flush_jobs_writing_resource(struct vc4_context
*vc4
,
97 struct pipe_resource
*prsc
)
99 struct hash_entry
*entry
= _mesa_hash_table_search(vc4
->write_jobs
,
102 struct vc4_job
*job
= entry
->data
;
103 vc4_job_submit(vc4
, job
);
108 vc4_flush_jobs_reading_resource(struct vc4_context
*vc4
,
109 struct pipe_resource
*prsc
)
111 struct vc4_resource
*rsc
= vc4_resource(prsc
);
113 vc4_flush_jobs_writing_resource(vc4
, prsc
);
115 struct hash_entry
*entry
;
116 hash_table_foreach(vc4
->jobs
, entry
) {
117 struct vc4_job
*job
= entry
->data
;
119 struct vc4_bo
**referenced_bos
= job
->bo_pointers
.base
;
120 for (int i
= 0; i
< cl_offset(&job
->bo_handles
) / 4; i
++) {
121 if (referenced_bos
[i
] == rsc
->bo
) {
122 vc4_job_submit(vc4
, job
);
127 /* Also check for the Z/color buffers, since the references to
128 * those are only added immediately before submit.
130 if (job
->color_read
&& !(job
->cleared
& PIPE_CLEAR_COLOR
)) {
131 struct vc4_resource
*ctex
=
132 vc4_resource(job
->color_read
->texture
);
133 if (ctex
->bo
== rsc
->bo
) {
134 vc4_job_submit(vc4
, job
);
139 if (job
->zs_read
&& !(job
->cleared
&
140 (PIPE_CLEAR_DEPTH
| PIPE_CLEAR_STENCIL
))) {
141 struct vc4_resource
*ztex
=
142 vc4_resource(job
->zs_read
->texture
);
143 if (ztex
->bo
== rsc
->bo
) {
144 vc4_job_submit(vc4
, job
);
152 * Returns a vc4_job struture for tracking V3D rendering to a particular FBO.
154 * If we've already started rendering to this FBO, then return old same job,
155 * otherwise make a new one. If we're beginning rendering to an FBO, make
156 * sure that any previous reads of the FBO (or writes to its color/Z surfaces)
160 vc4_get_job(struct vc4_context
*vc4
,
161 struct pipe_surface
*cbuf
, struct pipe_surface
*zsbuf
)
163 /* Return the existing job for this FBO if we have one */
164 struct vc4_job_key local_key
= {.cbuf
= cbuf
, .zsbuf
= zsbuf
};
165 struct hash_entry
*entry
= _mesa_hash_table_search(vc4
->jobs
,
170 /* Creating a new job. Make sure that any previous jobs reading or
171 * writing these buffers are flushed.
174 vc4_flush_jobs_reading_resource(vc4
, cbuf
->texture
);
176 vc4_flush_jobs_reading_resource(vc4
, zsbuf
->texture
);
178 struct vc4_job
*job
= vc4_job_create(vc4
);
181 if (cbuf
->texture
->nr_samples
> 1) {
183 pipe_surface_reference(&job
->msaa_color_write
, cbuf
);
185 pipe_surface_reference(&job
->color_write
, cbuf
);
190 if (zsbuf
->texture
->nr_samples
> 1) {
192 pipe_surface_reference(&job
->msaa_zs_write
, zsbuf
);
194 pipe_surface_reference(&job
->zs_write
, zsbuf
);
199 job
->tile_width
= 32;
200 job
->tile_height
= 32;
202 job
->tile_width
= 64;
203 job
->tile_height
= 64;
207 _mesa_hash_table_insert(vc4
->write_jobs
, cbuf
->texture
, job
);
209 _mesa_hash_table_insert(vc4
->write_jobs
, zsbuf
->texture
, job
);
211 job
->key
.cbuf
= cbuf
;
212 job
->key
.zsbuf
= zsbuf
;
213 _mesa_hash_table_insert(vc4
->jobs
, &job
->key
, job
);
219 vc4_get_job_for_fbo(struct vc4_context
*vc4
)
224 struct pipe_surface
*cbuf
= vc4
->framebuffer
.cbufs
[0];
225 struct pipe_surface
*zsbuf
= vc4
->framebuffer
.zsbuf
;
226 struct vc4_job
*job
= vc4_get_job(vc4
, cbuf
, zsbuf
);
228 /* The dirty flags are tracking what's been updated while vc4->job has
229 * been bound, so set them all to ~0 when switching between jobs. We
230 * also need to reset all state at the start of rendering.
234 /* Set up the read surfaces in the job. If they aren't actually
235 * getting read (due to a clear starting the frame), job->cleared will
238 pipe_surface_reference(&job
->color_read
, cbuf
);
239 pipe_surface_reference(&job
->zs_read
, zsbuf
);
241 /* If we're binding to uninitialized buffers, no need to load their
242 * contents before drawing.
245 struct vc4_resource
*rsc
= vc4_resource(cbuf
->texture
);
247 job
->cleared
|= PIPE_CLEAR_COLOR0
;
251 struct vc4_resource
*rsc
= vc4_resource(zsbuf
->texture
);
253 job
->cleared
|= PIPE_CLEAR_DEPTH
| PIPE_CLEAR_STENCIL
;
256 job
->draw_tiles_x
= DIV_ROUND_UP(vc4
->framebuffer
.width
,
258 job
->draw_tiles_y
= DIV_ROUND_UP(vc4
->framebuffer
.height
,
267 vc4_submit_setup_rcl_surface(struct vc4_job
*job
,
268 struct drm_vc4_submit_rcl_surface
*submit_surf
,
269 struct pipe_surface
*psurf
,
270 bool is_depth
, bool is_write
)
272 struct vc4_surface
*surf
= vc4_surface(psurf
);
277 struct vc4_resource
*rsc
= vc4_resource(psurf
->texture
);
278 submit_surf
->hindex
= vc4_gem_hindex(job
, rsc
->bo
);
279 submit_surf
->offset
= surf
->offset
;
281 if (psurf
->texture
->nr_samples
<= 1) {
284 VC4_SET_FIELD(VC4_LOADSTORE_TILE_BUFFER_ZS
,
285 VC4_LOADSTORE_TILE_BUFFER_BUFFER
);
289 VC4_SET_FIELD(VC4_LOADSTORE_TILE_BUFFER_COLOR
,
290 VC4_LOADSTORE_TILE_BUFFER_BUFFER
) |
291 VC4_SET_FIELD(vc4_rt_format_is_565(psurf
->format
) ?
292 VC4_LOADSTORE_TILE_BUFFER_BGR565
:
293 VC4_LOADSTORE_TILE_BUFFER_RGBA8888
,
294 VC4_LOADSTORE_TILE_BUFFER_FORMAT
);
297 VC4_SET_FIELD(surf
->tiling
,
298 VC4_LOADSTORE_TILE_BUFFER_TILING
);
301 submit_surf
->flags
|= VC4_SUBMIT_RCL_SURFACE_READ_IS_FULL_RES
;
309 vc4_submit_setup_rcl_render_config_surface(struct vc4_job
*job
,
310 struct drm_vc4_submit_rcl_surface
*submit_surf
,
311 struct pipe_surface
*psurf
)
313 struct vc4_surface
*surf
= vc4_surface(psurf
);
318 struct vc4_resource
*rsc
= vc4_resource(psurf
->texture
);
319 submit_surf
->hindex
= vc4_gem_hindex(job
, rsc
->bo
);
320 submit_surf
->offset
= surf
->offset
;
322 if (psurf
->texture
->nr_samples
<= 1) {
324 VC4_SET_FIELD(vc4_rt_format_is_565(surf
->base
.format
) ?
325 VC4_RENDER_CONFIG_FORMAT_BGR565
:
326 VC4_RENDER_CONFIG_FORMAT_RGBA8888
,
327 VC4_RENDER_CONFIG_FORMAT
) |
328 VC4_SET_FIELD(surf
->tiling
,
329 VC4_RENDER_CONFIG_MEMORY_FORMAT
);
336 vc4_submit_setup_rcl_msaa_surface(struct vc4_job
*job
,
337 struct drm_vc4_submit_rcl_surface
*submit_surf
,
338 struct pipe_surface
*psurf
)
340 struct vc4_surface
*surf
= vc4_surface(psurf
);
345 struct vc4_resource
*rsc
= vc4_resource(psurf
->texture
);
346 submit_surf
->hindex
= vc4_gem_hindex(job
, rsc
->bo
);
347 submit_surf
->offset
= surf
->offset
;
348 submit_surf
->bits
= 0;
353 * Submits the job to the kernel and then reinitializes it.
356 vc4_job_submit(struct vc4_context
*vc4
, struct vc4_job
*job
)
358 if (!job
->needs_flush
)
361 /* The RCL setup would choke if the draw bounds cause no drawing, so
362 * just drop the drawing if that's the case.
364 if (job
->draw_max_x
<= job
->draw_min_x
||
365 job
->draw_max_y
<= job
->draw_min_y
) {
369 if (vc4_debug
& VC4_DEBUG_CL
) {
370 fprintf(stderr
, "BCL:\n");
371 vc4_dump_cl(job
->bcl
.base
, cl_offset(&job
->bcl
), false);
374 if (cl_offset(&job
->bcl
) > 0) {
375 /* Increment the semaphore indicating that binning is done and
376 * unblocking the render thread. Note that this doesn't act
377 * until the FLUSH completes.
379 cl_ensure_space(&job
->bcl
, 8);
380 struct vc4_cl_out
*bcl
= cl_start(&job
->bcl
);
381 cl_emit(&bcl
, INCREMENT_SEMAPHORE
, incr
);
382 /* The FLUSH caps all of our bin lists with a
385 cl_emit(&bcl
, FLUSH
, flush
);
386 cl_end(&job
->bcl
, bcl
);
388 struct drm_vc4_submit_cl submit
= {
389 .color_read
.hindex
= ~0,
390 .zs_read
.hindex
= ~0,
391 .color_write
.hindex
= ~0,
392 .msaa_color_write
.hindex
= ~0,
393 .zs_write
.hindex
= ~0,
394 .msaa_zs_write
.hindex
= ~0,
397 cl_ensure_space(&job
->bo_handles
, 6 * sizeof(uint32_t));
398 cl_ensure_space(&job
->bo_pointers
, 6 * sizeof(struct vc4_bo
*));
400 if (job
->resolve
& PIPE_CLEAR_COLOR
) {
401 if (!(job
->cleared
& PIPE_CLEAR_COLOR
)) {
402 vc4_submit_setup_rcl_surface(job
, &submit
.color_read
,
406 vc4_submit_setup_rcl_render_config_surface(job
,
409 vc4_submit_setup_rcl_msaa_surface(job
,
410 &submit
.msaa_color_write
,
411 job
->msaa_color_write
);
413 if (job
->resolve
& (PIPE_CLEAR_DEPTH
| PIPE_CLEAR_STENCIL
)) {
414 if (!(job
->cleared
& (PIPE_CLEAR_DEPTH
| PIPE_CLEAR_STENCIL
))) {
415 vc4_submit_setup_rcl_surface(job
, &submit
.zs_read
,
416 job
->zs_read
, true, false);
418 vc4_submit_setup_rcl_surface(job
, &submit
.zs_write
,
419 job
->zs_write
, true, true);
420 vc4_submit_setup_rcl_msaa_surface(job
, &submit
.msaa_zs_write
,
425 /* This bit controls how many pixels the general
426 * (i.e. subsampled) loads/stores are iterating over
427 * (multisample loads replicate out to the other samples).
429 submit
.color_write
.bits
|= VC4_RENDER_CONFIG_MS_MODE_4X
;
430 /* Controls whether color_write's
431 * VC4_PACKET_STORE_MS_TILE_BUFFER does 4x decimation
433 submit
.color_write
.bits
|= VC4_RENDER_CONFIG_DECIMATE_MODE_4X
;
436 submit
.bo_handles
= (uintptr_t)job
->bo_handles
.base
;
437 submit
.bo_handle_count
= cl_offset(&job
->bo_handles
) / 4;
438 submit
.bin_cl
= (uintptr_t)job
->bcl
.base
;
439 submit
.bin_cl_size
= cl_offset(&job
->bcl
);
440 submit
.shader_rec
= (uintptr_t)job
->shader_rec
.base
;
441 submit
.shader_rec_size
= cl_offset(&job
->shader_rec
);
442 submit
.shader_rec_count
= job
->shader_rec_count
;
443 submit
.uniforms
= (uintptr_t)job
->uniforms
.base
;
444 submit
.uniforms_size
= cl_offset(&job
->uniforms
);
446 assert(job
->draw_min_x
!= ~0 && job
->draw_min_y
!= ~0);
447 submit
.min_x_tile
= job
->draw_min_x
/ job
->tile_width
;
448 submit
.min_y_tile
= job
->draw_min_y
/ job
->tile_height
;
449 submit
.max_x_tile
= (job
->draw_max_x
- 1) / job
->tile_width
;
450 submit
.max_y_tile
= (job
->draw_max_y
- 1) / job
->tile_height
;
451 submit
.width
= job
->draw_width
;
452 submit
.height
= job
->draw_height
;
454 submit
.flags
|= VC4_SUBMIT_CL_USE_CLEAR_COLOR
;
455 submit
.clear_color
[0] = job
->clear_color
[0];
456 submit
.clear_color
[1] = job
->clear_color
[1];
457 submit
.clear_z
= job
->clear_depth
;
458 submit
.clear_s
= job
->clear_stencil
;
461 if (!(vc4_debug
& VC4_DEBUG_NORAST
)) {
464 #ifndef USE_VC4_SIMULATOR
465 ret
= drmIoctl(vc4
->fd
, DRM_IOCTL_VC4_SUBMIT_CL
, &submit
);
467 ret
= vc4_simulator_flush(vc4
, &submit
, job
);
469 static bool warned
= false;
470 if (ret
&& !warned
) {
471 fprintf(stderr
, "Draw call returned %s. "
472 "Expect corruption.\n", strerror(errno
));
475 vc4
->last_emit_seqno
= submit
.seqno
;
479 if (vc4
->last_emit_seqno
- vc4
->screen
->finished_seqno
> 5) {
480 if (!vc4_wait_seqno(vc4
->screen
,
481 vc4
->last_emit_seqno
- 5,
482 PIPE_TIMEOUT_INFINITE
,
484 fprintf(stderr
, "Job throttling failed\n");
488 if (vc4_debug
& VC4_DEBUG_ALWAYS_SYNC
) {
489 if (!vc4_wait_seqno(vc4
->screen
, vc4
->last_emit_seqno
,
490 PIPE_TIMEOUT_INFINITE
, "sync")) {
491 fprintf(stderr
, "Wait failed.\n");
497 vc4_job_free(vc4
, job
);
501 vc4_job_compare(const void *a
, const void *b
)
503 return memcmp(a
, b
, sizeof(struct vc4_job_key
)) == 0;
507 vc4_job_hash(const void *key
)
509 return _mesa_hash_data(key
, sizeof(struct vc4_job_key
));
513 vc4_job_init(struct vc4_context
*vc4
)
515 vc4
->jobs
= _mesa_hash_table_create(vc4
,
518 vc4
->write_jobs
= _mesa_hash_table_create(vc4
,
520 _mesa_key_pointer_equal
);