2 * Copyright (C) 2019 Alyssa Rosenzweig
3 * Copyright (C) 2014-2017 Broadcom
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * 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
28 #include "pan_context.h"
29 #include "util/hash_table.h"
30 #include "util/ralloc.h"
31 #include "util/u_format.h"
32 #include "util/u_pack_color.h"
35 panfrost_create_job(struct panfrost_context
*ctx
)
37 struct panfrost_job
*job
= rzalloc(ctx
, struct panfrost_job
);
41 job
->bos
= _mesa_set_create(job
,
43 _mesa_key_pointer_equal
);
45 job
->minx
= job
->miny
= ~0;
46 job
->maxx
= job
->maxy
= 0;
47 job
->transient_offset
= 0;
49 util_dynarray_init(&job
->headers
, job
);
50 util_dynarray_init(&job
->gpu_headers
, job
);
51 util_dynarray_init(&job
->transient_indices
, job
);
57 panfrost_free_job(struct panfrost_context
*ctx
, struct panfrost_job
*job
)
62 set_foreach(job
->bos
, entry
) {
63 struct panfrost_bo
*bo
= (struct panfrost_bo
*)entry
->key
;
64 panfrost_bo_unreference(ctx
->base
.screen
, bo
);
67 /* Free up the transient BOs we're sitting on */
68 struct panfrost_screen
*screen
= pan_screen(ctx
->base
.screen
);
70 util_dynarray_foreach(&job
->transient_indices
, unsigned, index
) {
72 BITSET_SET(screen
->free_transient
, *index
);
75 _mesa_hash_table_remove_key(ctx
->jobs
, &job
->key
);
84 panfrost_get_job(struct panfrost_context
*ctx
,
85 struct pipe_surface
**cbufs
, struct pipe_surface
*zsbuf
)
87 /* Lookup the job first */
89 struct panfrost_job_key key
= {
99 struct hash_entry
*entry
= _mesa_hash_table_search(ctx
->jobs
, &key
);
104 /* Otherwise, let's create a job */
106 struct panfrost_job
*job
= panfrost_create_job(ctx
);
108 /* Save the created job */
110 memcpy(&job
->key
, &key
, sizeof(key
));
111 _mesa_hash_table_insert(ctx
->jobs
, &job
->key
, job
);
116 /* Get the job corresponding to the FBO we're currently rendering into */
118 struct panfrost_job
*
119 panfrost_get_job_for_fbo(struct panfrost_context
*ctx
)
121 /* If we're wallpapering, we special case to workaround
124 if (ctx
->wallpaper_batch
)
125 return ctx
->wallpaper_batch
;
127 /* If we already began rendering, use that */
130 assert(ctx
->job
->key
.zsbuf
== ctx
->pipe_framebuffer
.zsbuf
&&
131 !memcmp(ctx
->job
->key
.cbufs
,
132 ctx
->pipe_framebuffer
.cbufs
,
133 sizeof(ctx
->job
->key
.cbufs
)));
137 /* If not, look up the job */
139 struct pipe_surface
**cbufs
= ctx
->pipe_framebuffer
.cbufs
;
140 struct pipe_surface
*zsbuf
= ctx
->pipe_framebuffer
.zsbuf
;
141 struct panfrost_job
*job
= panfrost_get_job(ctx
, cbufs
, zsbuf
);
143 /* Set this job as the current FBO job. Will be reset when updating the
144 * FB state and when submitting or releasing a job.
151 panfrost_job_add_bo(struct panfrost_job
*job
, struct panfrost_bo
*bo
)
156 if (_mesa_set_search(job
->bos
, bo
))
159 panfrost_bo_reference(bo
);
160 _mesa_set_add(job
->bos
, bo
);
164 panfrost_flush_jobs_writing_resource(struct panfrost_context
*panfrost
,
165 struct pipe_resource
*prsc
)
168 struct hash_entry
*entry
= _mesa_hash_table_search(panfrost
->write_jobs
,
171 struct panfrost_job
*job
= entry
->data
;
172 panfrost_job_submit(panfrost
, job
);
179 panfrost_job_submit(struct panfrost_context
*ctx
, struct panfrost_job
*job
)
183 panfrost_scoreboard_link_batch(job
);
185 bool has_draws
= job
->last_job
.gpu
;
186 bool is_scanout
= panfrost_is_scanout(ctx
);
191 ret
= panfrost_drm_submit_vs_fs_job(ctx
, has_draws
, is_scanout
);
194 fprintf(stderr
, "panfrost_job_submit failed: %d\n", ret
);
196 /* The job has been submitted, let's invalidate the current FBO job
199 assert(!ctx
->job
|| job
== ctx
->job
);
202 /* Remove the job from the ctx->jobs set so that future
203 * panfrost_get_job() calls don't see it.
204 * We must reset the job key to avoid removing another valid entry when
207 _mesa_hash_table_remove_key(ctx
->jobs
, &job
->key
);
208 memset(&job
->key
, 0, sizeof(job
->key
));
212 panfrost_job_set_requirements(struct panfrost_context
*ctx
,
213 struct panfrost_job
*job
)
215 if (ctx
->rasterizer
&& ctx
->rasterizer
->base
.multisample
)
216 job
->requirements
|= PAN_REQ_MSAA
;
218 if (ctx
->depth_stencil
&& ctx
->depth_stencil
->depth
.writemask
)
219 job
->requirements
|= PAN_REQ_DEPTH_WRITE
;
222 /* Helper to smear a 32-bit color across 128-bit components */
225 pan_pack_color_32(uint32_t *packed
, uint32_t v
)
227 for (unsigned i
= 0; i
< 4; ++i
)
232 pan_pack_color_64(uint32_t *packed
, uint32_t lo
, uint32_t hi
)
234 for (unsigned i
= 0; i
< 4; i
+= 2) {
241 pan_pack_color(uint32_t *packed
, const union pipe_color_union
*color
, enum pipe_format format
)
243 /* Alpha magicked to 1.0 if there is no alpha */
245 bool has_alpha
= util_format_has_alpha(format
);
246 float clear_alpha
= has_alpha
? color
->f
[3] : 1.0f
;
248 /* Packed color depends on the framebuffer format */
250 const struct util_format_description
*desc
=
251 util_format_description(format
);
253 if (util_format_is_rgba8_variant(desc
)) {
254 pan_pack_color_32(packed
,
255 (float_to_ubyte(clear_alpha
) << 24) |
256 (float_to_ubyte(color
->f
[2]) << 16) |
257 (float_to_ubyte(color
->f
[1]) << 8) |
258 (float_to_ubyte(color
->f
[0]) << 0));
259 } else if (format
== PIPE_FORMAT_B5G6R5_UNORM
) {
260 /* First, we convert the components to R5, G6, B5 separately */
261 unsigned r5
= CLAMP(color
->f
[0], 0.0, 1.0) * 31.0;
262 unsigned g6
= CLAMP(color
->f
[1], 0.0, 1.0) * 63.0;
263 unsigned b5
= CLAMP(color
->f
[2], 0.0, 1.0) * 31.0;
265 /* Then we pack into a sparse u32. TODO: Why these shifts? */
266 pan_pack_color_32(packed
, (b5
<< 25) | (g6
<< 14) | (r5
<< 5));
267 } else if (format
== PIPE_FORMAT_B4G4R4A4_UNORM
) {
268 /* We scale the components against 0xF0 (=240.0), rather than 0xFF */
269 unsigned r4
= CLAMP(color
->f
[0], 0.0, 1.0) * 240.0;
270 unsigned g4
= CLAMP(color
->f
[1], 0.0, 1.0) * 240.0;
271 unsigned b4
= CLAMP(color
->f
[2], 0.0, 1.0) * 240.0;
272 unsigned a4
= CLAMP(clear_alpha
, 0.0, 1.0) * 240.0;
274 /* Pack on *byte* intervals */
275 pan_pack_color_32(packed
, (a4
<< 24) | (b4
<< 16) | (g4
<< 8) | r4
);
276 } else if (format
== PIPE_FORMAT_B5G5R5A1_UNORM
) {
277 /* Scale as expected but shift oddly */
278 unsigned r5
= round(CLAMP(color
->f
[0], 0.0, 1.0)) * 31.0;
279 unsigned g5
= round(CLAMP(color
->f
[1], 0.0, 1.0)) * 31.0;
280 unsigned b5
= round(CLAMP(color
->f
[2], 0.0, 1.0)) * 31.0;
281 unsigned a1
= round(CLAMP(clear_alpha
, 0.0, 1.0)) * 1.0;
283 pan_pack_color_32(packed
, (a1
<< 31) | (b5
<< 25) | (g5
<< 15) | (r5
<< 5));
285 /* Try Gallium's generic default path. Doesn't work for all
286 * formats but it's a good guess. */
288 union util_color out
;
290 if (util_format_is_pure_integer(format
)) {
291 memcpy(out
.ui
, color
->ui
, 16);
293 util_pack_color(color
->f
, format
, &out
);
296 unsigned size
= util_format_get_blocksize(format
);
299 unsigned b
= out
.ui
[0];
300 unsigned s
= b
| (b
<< 8);
301 pan_pack_color_32(packed
, s
| (s
<< 16));
302 } else if (size
== 2)
303 pan_pack_color_32(packed
, out
.ui
[0] | (out
.ui
[0] << 16));
305 pan_pack_color_32(packed
, out
.ui
[0]);
307 pan_pack_color_64(packed
, out
.ui
[0], out
.ui
[1]);
309 memcpy(packed
, out
.ui
, 16);
311 unreachable("Unknown generic format size packing clear colour");
316 panfrost_job_clear(struct panfrost_context
*ctx
,
317 struct panfrost_job
*job
,
319 const union pipe_color_union
*color
,
320 double depth
, unsigned stencil
)
323 if (buffers
& PIPE_CLEAR_COLOR
) {
324 for (unsigned i
= 0; i
< PIPE_MAX_COLOR_BUFS
; ++i
) {
325 if (!(buffers
& (PIPE_CLEAR_COLOR0
<< i
)))
328 enum pipe_format format
= ctx
->pipe_framebuffer
.cbufs
[i
]->format
;
329 pan_pack_color(job
->clear_color
[i
], color
, format
);
333 if (buffers
& PIPE_CLEAR_DEPTH
) {
334 job
->clear_depth
= depth
;
337 if (buffers
& PIPE_CLEAR_STENCIL
) {
338 job
->clear_stencil
= stencil
;
341 job
->clear
|= buffers
;
343 /* Clearing affects the entire framebuffer (by definition -- this is
344 * the Gallium clear callback, which clears the whole framebuffer. If
345 * the scissor test were enabled from the GL side, the state tracker
346 * would emit a quad instead and we wouldn't go down this code path) */
348 panfrost_job_union_scissor(job
, 0, 0,
349 ctx
->pipe_framebuffer
.width
,
350 ctx
->pipe_framebuffer
.height
);
354 panfrost_flush_jobs_reading_resource(struct panfrost_context
*panfrost
,
355 struct pipe_resource
*prsc
)
357 struct panfrost_resource
*rsc
= pan_resource(prsc
);
359 panfrost_flush_jobs_writing_resource(panfrost
, prsc
);
361 hash_table_foreach(panfrost
->jobs
, entry
) {
362 struct panfrost_job
*job
= entry
->data
;
364 if (_mesa_set_search(job
->bos
, rsc
->bo
)) {
365 printf("TODO: submit job for flush\n");
366 //panfrost_job_submit(panfrost, job);
373 panfrost_job_compare(const void *a
, const void *b
)
375 return memcmp(a
, b
, sizeof(struct panfrost_job_key
)) == 0;
379 panfrost_job_hash(const void *key
)
381 return _mesa_hash_data(key
, sizeof(struct panfrost_job_key
));
384 /* Given a new bounding rectangle (scissor), let the job cover the union of the
385 * new and old bounding rectangles */
388 panfrost_job_union_scissor(struct panfrost_job
*job
,
389 unsigned minx
, unsigned miny
,
390 unsigned maxx
, unsigned maxy
)
392 job
->minx
= MIN2(job
->minx
, minx
);
393 job
->miny
= MIN2(job
->miny
, miny
);
394 job
->maxx
= MAX2(job
->maxx
, maxx
);
395 job
->maxy
= MAX2(job
->maxy
, maxy
);
399 panfrost_job_init(struct panfrost_context
*ctx
)
401 ctx
->jobs
= _mesa_hash_table_create(ctx
,
403 panfrost_job_compare
);
405 ctx
->write_jobs
= _mesa_hash_table_create(ctx
,
407 _mesa_key_pointer_equal
);