frontend/dri: Implement mapping individual planes.
[mesa.git] / src / gallium / frontends / dri / dri2.c
1 /*
2 * Mesa 3-D graphics library
3 *
4 * Copyright 2009, VMware, Inc.
5 * All Rights Reserved.
6 * Copyright (C) 2010 LunarG Inc.
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
14 *
15 * The above copyright notice and this permission notice shall be included
16 * in all copies or substantial portions of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
22 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
23 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
24 * OTHER DEALINGS IN THE SOFTWARE.
25 *
26 * Authors:
27 * Keith Whitwell <keithw@vmware.com> Jakob Bornecrantz
28 * <wallbraker@gmail.com> Chia-I Wu <olv@lunarg.com>
29 */
30
31 #include <xf86drm.h>
32 #include "GL/mesa_glinterop.h"
33 #include "util/disk_cache.h"
34 #include "util/u_memory.h"
35 #include "util/u_inlines.h"
36 #include "util/format/u_format.h"
37 #include "util/u_debug.h"
38 #include "frontend/drm_driver.h"
39 #include "state_tracker/st_cb_bufferobjects.h"
40 #include "state_tracker/st_cb_fbo.h"
41 #include "state_tracker/st_cb_texture.h"
42 #include "state_tracker/st_texture.h"
43 #include "state_tracker/st_context.h"
44 #include "pipe-loader/pipe_loader.h"
45 #include "main/bufferobj.h"
46 #include "main/texobj.h"
47
48 #include "dri_util.h"
49
50 #include "dri_helpers.h"
51 #include "dri_drawable.h"
52 #include "dri_query_renderer.h"
53
54 #include "drm-uapi/drm_fourcc.h"
55
56 struct dri2_buffer
57 {
58 __DRIbuffer base;
59 struct pipe_resource *resource;
60 };
61
62 static inline struct dri2_buffer *
63 dri2_buffer(__DRIbuffer * driBufferPriv)
64 {
65 return (struct dri2_buffer *) driBufferPriv;
66 }
67
68 /**
69 * DRI2 flush extension.
70 */
71 static void
72 dri2_flush_drawable(__DRIdrawable *dPriv)
73 {
74 dri_flush(dPriv->driContextPriv, dPriv, __DRI2_FLUSH_DRAWABLE, -1);
75 }
76
77 static void
78 dri2_invalidate_drawable(__DRIdrawable *dPriv)
79 {
80 struct dri_drawable *drawable = dri_drawable(dPriv);
81
82 dri2InvalidateDrawable(dPriv);
83 drawable->dPriv->lastStamp = drawable->dPriv->dri2.stamp;
84 drawable->texture_mask = 0;
85
86 p_atomic_inc(&drawable->base.stamp);
87 }
88
89 static const __DRI2flushExtension dri2FlushExtension = {
90 .base = { __DRI2_FLUSH, 4 },
91
92 .flush = dri2_flush_drawable,
93 .invalidate = dri2_invalidate_drawable,
94 .flush_with_flags = dri_flush,
95 };
96
97 /**
98 * Retrieve __DRIbuffer from the DRI loader.
99 */
100 static __DRIbuffer *
101 dri2_drawable_get_buffers(struct dri_drawable *drawable,
102 const enum st_attachment_type *atts,
103 unsigned *count)
104 {
105 __DRIdrawable *dri_drawable = drawable->dPriv;
106 const __DRIdri2LoaderExtension *loader = drawable->sPriv->dri2.loader;
107 boolean with_format;
108 __DRIbuffer *buffers;
109 int num_buffers;
110 unsigned attachments[10];
111 unsigned num_attachments, i;
112
113 assert(loader);
114 with_format = dri_with_format(drawable->sPriv);
115
116 num_attachments = 0;
117
118 /* for Xserver 1.6.0 (DRI2 version 1) we always need to ask for the front */
119 if (!with_format)
120 attachments[num_attachments++] = __DRI_BUFFER_FRONT_LEFT;
121
122 for (i = 0; i < *count; i++) {
123 enum pipe_format format;
124 unsigned bind;
125 int att, depth;
126
127 dri_drawable_get_format(drawable, atts[i], &format, &bind);
128 if (format == PIPE_FORMAT_NONE)
129 continue;
130
131 switch (atts[i]) {
132 case ST_ATTACHMENT_FRONT_LEFT:
133 /* already added */
134 if (!with_format)
135 continue;
136 att = __DRI_BUFFER_FRONT_LEFT;
137 break;
138 case ST_ATTACHMENT_BACK_LEFT:
139 att = __DRI_BUFFER_BACK_LEFT;
140 break;
141 case ST_ATTACHMENT_FRONT_RIGHT:
142 att = __DRI_BUFFER_FRONT_RIGHT;
143 break;
144 case ST_ATTACHMENT_BACK_RIGHT:
145 att = __DRI_BUFFER_BACK_RIGHT;
146 break;
147 default:
148 continue;
149 }
150
151 /*
152 * In this switch statement we must support all formats that
153 * may occur as the stvis->color_format.
154 */
155 switch(format) {
156 case PIPE_FORMAT_R16G16B16A16_FLOAT:
157 depth = 64;
158 break;
159 case PIPE_FORMAT_R16G16B16X16_FLOAT:
160 depth = 48;
161 break;
162 case PIPE_FORMAT_B10G10R10A2_UNORM:
163 case PIPE_FORMAT_R10G10B10A2_UNORM:
164 case PIPE_FORMAT_BGRA8888_UNORM:
165 case PIPE_FORMAT_RGBA8888_UNORM:
166 depth = 32;
167 break;
168 case PIPE_FORMAT_R10G10B10X2_UNORM:
169 case PIPE_FORMAT_B10G10R10X2_UNORM:
170 depth = 30;
171 break;
172 case PIPE_FORMAT_BGRX8888_UNORM:
173 case PIPE_FORMAT_RGBX8888_UNORM:
174 depth = 24;
175 break;
176 case PIPE_FORMAT_B5G6R5_UNORM:
177 depth = 16;
178 break;
179 default:
180 depth = util_format_get_blocksizebits(format);
181 assert(!"Unexpected format in dri2_drawable_get_buffers()");
182 }
183
184 attachments[num_attachments++] = att;
185 if (with_format) {
186 attachments[num_attachments++] = depth;
187 }
188 }
189
190 if (with_format) {
191 num_attachments /= 2;
192 buffers = loader->getBuffersWithFormat(dri_drawable,
193 &dri_drawable->w, &dri_drawable->h,
194 attachments, num_attachments,
195 &num_buffers, dri_drawable->loaderPrivate);
196 }
197 else {
198 buffers = loader->getBuffers(dri_drawable,
199 &dri_drawable->w, &dri_drawable->h,
200 attachments, num_attachments,
201 &num_buffers, dri_drawable->loaderPrivate);
202 }
203
204 if (buffers)
205 *count = num_buffers;
206
207 return buffers;
208 }
209
210 static bool
211 dri_image_drawable_get_buffers(struct dri_drawable *drawable,
212 struct __DRIimageList *images,
213 const enum st_attachment_type *statts,
214 unsigned statts_count)
215 {
216 __DRIdrawable *dPriv = drawable->dPriv;
217 __DRIscreen *sPriv = drawable->sPriv;
218 unsigned int image_format = __DRI_IMAGE_FORMAT_NONE;
219 enum pipe_format pf;
220 uint32_t buffer_mask = 0;
221 unsigned i, bind;
222
223 for (i = 0; i < statts_count; i++) {
224 dri_drawable_get_format(drawable, statts[i], &pf, &bind);
225 if (pf == PIPE_FORMAT_NONE)
226 continue;
227
228 switch (statts[i]) {
229 case ST_ATTACHMENT_FRONT_LEFT:
230 buffer_mask |= __DRI_IMAGE_BUFFER_FRONT;
231 break;
232 case ST_ATTACHMENT_BACK_LEFT:
233 buffer_mask |= __DRI_IMAGE_BUFFER_BACK;
234 break;
235 default:
236 continue;
237 }
238
239 switch (pf) {
240 case PIPE_FORMAT_R16G16B16A16_FLOAT:
241 image_format = __DRI_IMAGE_FORMAT_ABGR16161616F;
242 break;
243 case PIPE_FORMAT_R16G16B16X16_FLOAT:
244 image_format = __DRI_IMAGE_FORMAT_XBGR16161616F;
245 break;
246 case PIPE_FORMAT_B5G5R5A1_UNORM:
247 image_format = __DRI_IMAGE_FORMAT_ARGB1555;
248 break;
249 case PIPE_FORMAT_B5G6R5_UNORM:
250 image_format = __DRI_IMAGE_FORMAT_RGB565;
251 break;
252 case PIPE_FORMAT_BGRX8888_UNORM:
253 image_format = __DRI_IMAGE_FORMAT_XRGB8888;
254 break;
255 case PIPE_FORMAT_BGRA8888_UNORM:
256 image_format = __DRI_IMAGE_FORMAT_ARGB8888;
257 break;
258 case PIPE_FORMAT_RGBX8888_UNORM:
259 image_format = __DRI_IMAGE_FORMAT_XBGR8888;
260 break;
261 case PIPE_FORMAT_RGBA8888_UNORM:
262 image_format = __DRI_IMAGE_FORMAT_ABGR8888;
263 break;
264 case PIPE_FORMAT_B10G10R10X2_UNORM:
265 image_format = __DRI_IMAGE_FORMAT_XRGB2101010;
266 break;
267 case PIPE_FORMAT_B10G10R10A2_UNORM:
268 image_format = __DRI_IMAGE_FORMAT_ARGB2101010;
269 break;
270 case PIPE_FORMAT_R10G10B10X2_UNORM:
271 image_format = __DRI_IMAGE_FORMAT_XBGR2101010;
272 break;
273 case PIPE_FORMAT_R10G10B10A2_UNORM:
274 image_format = __DRI_IMAGE_FORMAT_ABGR2101010;
275 break;
276 default:
277 image_format = __DRI_IMAGE_FORMAT_NONE;
278 break;
279 }
280 }
281
282 return (*sPriv->image.loader->getBuffers) (dPriv, image_format,
283 (uint32_t *) &drawable->base.stamp,
284 dPriv->loaderPrivate, buffer_mask,
285 images);
286 }
287
288 static __DRIbuffer *
289 dri2_allocate_buffer(__DRIscreen *sPriv,
290 unsigned attachment, unsigned format,
291 int width, int height)
292 {
293 struct dri_screen *screen = dri_screen(sPriv);
294 struct dri2_buffer *buffer;
295 struct pipe_resource templ;
296 enum pipe_format pf;
297 unsigned bind = 0;
298 struct winsys_handle whandle;
299
300 switch (attachment) {
301 case __DRI_BUFFER_FRONT_LEFT:
302 case __DRI_BUFFER_FAKE_FRONT_LEFT:
303 bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
304 break;
305 case __DRI_BUFFER_BACK_LEFT:
306 bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
307 break;
308 case __DRI_BUFFER_DEPTH:
309 case __DRI_BUFFER_DEPTH_STENCIL:
310 case __DRI_BUFFER_STENCIL:
311 bind = PIPE_BIND_DEPTH_STENCIL; /* XXX sampler? */
312 break;
313 }
314
315 /* because we get the handle and stride */
316 bind |= PIPE_BIND_SHARED;
317
318 switch (format) {
319 case 64:
320 pf = PIPE_FORMAT_R16G16B16A16_FLOAT;
321 break;
322 case 48:
323 pf = PIPE_FORMAT_R16G16B16X16_FLOAT;
324 break;
325 case 32:
326 pf = PIPE_FORMAT_BGRA8888_UNORM;
327 break;
328 case 30:
329 pf = PIPE_FORMAT_B10G10R10X2_UNORM;
330 break;
331 case 24:
332 pf = PIPE_FORMAT_BGRX8888_UNORM;
333 break;
334 case 16:
335 pf = PIPE_FORMAT_Z16_UNORM;
336 break;
337 default:
338 return NULL;
339 }
340
341 buffer = CALLOC_STRUCT(dri2_buffer);
342 if (!buffer)
343 return NULL;
344
345 memset(&templ, 0, sizeof(templ));
346 templ.bind = bind;
347 templ.format = pf;
348 templ.target = PIPE_TEXTURE_2D;
349 templ.last_level = 0;
350 templ.width0 = width;
351 templ.height0 = height;
352 templ.depth0 = 1;
353 templ.array_size = 1;
354
355 buffer->resource =
356 screen->base.screen->resource_create(screen->base.screen, &templ);
357 if (!buffer->resource) {
358 FREE(buffer);
359 return NULL;
360 }
361
362 memset(&whandle, 0, sizeof(whandle));
363 if (screen->can_share_buffer)
364 whandle.type = WINSYS_HANDLE_TYPE_SHARED;
365 else
366 whandle.type = WINSYS_HANDLE_TYPE_KMS;
367
368 screen->base.screen->resource_get_handle(screen->base.screen, NULL,
369 buffer->resource, &whandle,
370 PIPE_HANDLE_USAGE_EXPLICIT_FLUSH);
371
372 buffer->base.attachment = attachment;
373 buffer->base.name = whandle.handle;
374 buffer->base.cpp = util_format_get_blocksize(pf);
375 buffer->base.pitch = whandle.stride;
376
377 return &buffer->base;
378 }
379
380 static void
381 dri2_release_buffer(__DRIscreen *sPriv, __DRIbuffer *bPriv)
382 {
383 struct dri2_buffer *buffer = dri2_buffer(bPriv);
384
385 pipe_resource_reference(&buffer->resource, NULL);
386 FREE(buffer);
387 }
388
389 /*
390 * Backend functions for st_framebuffer interface.
391 */
392
393 static void
394 dri2_allocate_textures(struct dri_context *ctx,
395 struct dri_drawable *drawable,
396 const enum st_attachment_type *statts,
397 unsigned statts_count)
398 {
399 __DRIscreen *sPriv = drawable->sPriv;
400 __DRIdrawable *dri_drawable = drawable->dPriv;
401 struct dri_screen *screen = dri_screen(sPriv);
402 struct pipe_resource templ;
403 boolean alloc_depthstencil = FALSE;
404 unsigned i, j, bind;
405 const __DRIimageLoaderExtension *image = sPriv->image.loader;
406 /* Image specific variables */
407 struct __DRIimageList images;
408 /* Dri2 specific variables */
409 __DRIbuffer *buffers = NULL;
410 struct winsys_handle whandle;
411 unsigned num_buffers = statts_count;
412
413 /* First get the buffers from the loader */
414 if (image) {
415 if (!dri_image_drawable_get_buffers(drawable, &images,
416 statts, statts_count))
417 return;
418 }
419 else {
420 buffers = dri2_drawable_get_buffers(drawable, statts, &num_buffers);
421 if (!buffers || (drawable->old_num == num_buffers &&
422 drawable->old_w == dri_drawable->w &&
423 drawable->old_h == dri_drawable->h &&
424 memcmp(drawable->old, buffers,
425 sizeof(__DRIbuffer) * num_buffers) == 0))
426 return;
427 }
428
429 /* Second clean useless resources*/
430
431 /* See if we need a depth-stencil buffer. */
432 for (i = 0; i < statts_count; i++) {
433 if (statts[i] == ST_ATTACHMENT_DEPTH_STENCIL) {
434 alloc_depthstencil = TRUE;
435 break;
436 }
437 }
438
439 /* Delete the resources we won't need. */
440 for (i = 0; i < ST_ATTACHMENT_COUNT; i++) {
441 /* Don't delete the depth-stencil buffer, we can reuse it. */
442 if (i == ST_ATTACHMENT_DEPTH_STENCIL && alloc_depthstencil)
443 continue;
444
445 /* Flush the texture before unreferencing, so that other clients can
446 * see what the driver has rendered.
447 */
448 if (i != ST_ATTACHMENT_DEPTH_STENCIL && drawable->textures[i]) {
449 struct pipe_context *pipe = ctx->st->pipe;
450 pipe->flush_resource(pipe, drawable->textures[i]);
451 }
452
453 pipe_resource_reference(&drawable->textures[i], NULL);
454 }
455
456 if (drawable->stvis.samples > 1) {
457 for (i = 0; i < ST_ATTACHMENT_COUNT; i++) {
458 boolean del = TRUE;
459
460 /* Don't delete MSAA resources for the attachments which are enabled,
461 * we can reuse them. */
462 for (j = 0; j < statts_count; j++) {
463 if (i == statts[j]) {
464 del = FALSE;
465 break;
466 }
467 }
468
469 if (del) {
470 pipe_resource_reference(&drawable->msaa_textures[i], NULL);
471 }
472 }
473 }
474
475 /* Third use the buffers retrieved to fill the drawable info */
476
477 memset(&templ, 0, sizeof(templ));
478 templ.target = screen->target;
479 templ.last_level = 0;
480 templ.depth0 = 1;
481 templ.array_size = 1;
482
483 if (image) {
484 if (images.image_mask & __DRI_IMAGE_BUFFER_FRONT) {
485 struct pipe_resource **buf =
486 &drawable->textures[ST_ATTACHMENT_FRONT_LEFT];
487 struct pipe_resource *texture = images.front->texture;
488
489 dri_drawable->w = texture->width0;
490 dri_drawable->h = texture->height0;
491
492 pipe_resource_reference(buf, texture);
493 }
494
495 if (images.image_mask & __DRI_IMAGE_BUFFER_BACK) {
496 struct pipe_resource **buf =
497 &drawable->textures[ST_ATTACHMENT_BACK_LEFT];
498 struct pipe_resource *texture = images.back->texture;
499
500 dri_drawable->w = texture->width0;
501 dri_drawable->h = texture->height0;
502
503 pipe_resource_reference(buf, texture);
504 }
505
506 /* Note: if there is both a back and a front buffer,
507 * then they have the same size.
508 */
509 templ.width0 = dri_drawable->w;
510 templ.height0 = dri_drawable->h;
511 }
512 else {
513 memset(&whandle, 0, sizeof(whandle));
514
515 /* Process DRI-provided buffers and get pipe_resources. */
516 for (i = 0; i < num_buffers; i++) {
517 __DRIbuffer *buf = &buffers[i];
518 enum st_attachment_type statt;
519 enum pipe_format format;
520
521 switch (buf->attachment) {
522 case __DRI_BUFFER_FRONT_LEFT:
523 if (!screen->auto_fake_front) {
524 continue; /* invalid attachment */
525 }
526 /* fallthrough */
527 case __DRI_BUFFER_FAKE_FRONT_LEFT:
528 statt = ST_ATTACHMENT_FRONT_LEFT;
529 break;
530 case __DRI_BUFFER_BACK_LEFT:
531 statt = ST_ATTACHMENT_BACK_LEFT;
532 break;
533 default:
534 continue; /* invalid attachment */
535 }
536
537 dri_drawable_get_format(drawable, statt, &format, &bind);
538 if (format == PIPE_FORMAT_NONE)
539 continue;
540
541 /* dri2_drawable_get_buffers has already filled dri_drawable->w
542 * and dri_drawable->h */
543 templ.width0 = dri_drawable->w;
544 templ.height0 = dri_drawable->h;
545 templ.format = format;
546 templ.bind = bind;
547 whandle.handle = buf->name;
548 whandle.stride = buf->pitch;
549 whandle.offset = 0;
550 whandle.format = format;
551 whandle.modifier = DRM_FORMAT_MOD_INVALID;
552 if (screen->can_share_buffer)
553 whandle.type = WINSYS_HANDLE_TYPE_SHARED;
554 else
555 whandle.type = WINSYS_HANDLE_TYPE_KMS;
556 drawable->textures[statt] =
557 screen->base.screen->resource_from_handle(screen->base.screen,
558 &templ, &whandle,
559 PIPE_HANDLE_USAGE_EXPLICIT_FLUSH);
560 assert(drawable->textures[statt]);
561 }
562 }
563
564 /* Allocate private MSAA colorbuffers. */
565 if (drawable->stvis.samples > 1) {
566 for (i = 0; i < statts_count; i++) {
567 enum st_attachment_type statt = statts[i];
568
569 if (statt == ST_ATTACHMENT_DEPTH_STENCIL)
570 continue;
571
572 if (drawable->textures[statt]) {
573 templ.format = drawable->textures[statt]->format;
574 templ.bind = drawable->textures[statt]->bind &
575 ~(PIPE_BIND_SCANOUT | PIPE_BIND_SHARED);
576 templ.nr_samples = drawable->stvis.samples;
577 templ.nr_storage_samples = drawable->stvis.samples;
578
579 /* Try to reuse the resource.
580 * (the other resource parameters should be constant)
581 */
582 if (!drawable->msaa_textures[statt] ||
583 drawable->msaa_textures[statt]->width0 != templ.width0 ||
584 drawable->msaa_textures[statt]->height0 != templ.height0) {
585 /* Allocate a new one. */
586 pipe_resource_reference(&drawable->msaa_textures[statt], NULL);
587
588 drawable->msaa_textures[statt] =
589 screen->base.screen->resource_create(screen->base.screen,
590 &templ);
591 assert(drawable->msaa_textures[statt]);
592
593 /* If there are any MSAA resources, we should initialize them
594 * such that they contain the same data as the single-sample
595 * resources we just got from the X server.
596 *
597 * The reason for this is that the gallium frontend (and
598 * therefore the app) can access the MSAA resources only.
599 * The single-sample resources are not exposed
600 * to the gallium frontend.
601 *
602 */
603 dri_pipe_blit(ctx->st->pipe,
604 drawable->msaa_textures[statt],
605 drawable->textures[statt]);
606 }
607 }
608 else {
609 pipe_resource_reference(&drawable->msaa_textures[statt], NULL);
610 }
611 }
612 }
613
614 /* Allocate a private depth-stencil buffer. */
615 if (alloc_depthstencil) {
616 enum st_attachment_type statt = ST_ATTACHMENT_DEPTH_STENCIL;
617 struct pipe_resource **zsbuf;
618 enum pipe_format format;
619 unsigned bind;
620
621 dri_drawable_get_format(drawable, statt, &format, &bind);
622
623 if (format) {
624 templ.format = format;
625 templ.bind = bind & ~PIPE_BIND_SHARED;
626
627 if (drawable->stvis.samples > 1) {
628 templ.nr_samples = drawable->stvis.samples;
629 templ.nr_storage_samples = drawable->stvis.samples;
630 zsbuf = &drawable->msaa_textures[statt];
631 }
632 else {
633 templ.nr_samples = 0;
634 templ.nr_storage_samples = 0;
635 zsbuf = &drawable->textures[statt];
636 }
637
638 /* Try to reuse the resource.
639 * (the other resource parameters should be constant)
640 */
641 if (!*zsbuf ||
642 (*zsbuf)->width0 != templ.width0 ||
643 (*zsbuf)->height0 != templ.height0) {
644 /* Allocate a new one. */
645 pipe_resource_reference(zsbuf, NULL);
646 *zsbuf = screen->base.screen->resource_create(screen->base.screen,
647 &templ);
648 assert(*zsbuf);
649 }
650 }
651 else {
652 pipe_resource_reference(&drawable->msaa_textures[statt], NULL);
653 pipe_resource_reference(&drawable->textures[statt], NULL);
654 }
655 }
656
657 /* For DRI2, we may get the same buffers again from the server.
658 * To prevent useless imports of gem names, drawable->old* is used
659 * to bypass the import if we get the same buffers. This doesn't apply
660 * to DRI3/Wayland, users of image.loader, since the buffer is managed
661 * by the client (no import), and the back buffer is going to change
662 * at every redraw.
663 */
664 if (!image) {
665 drawable->old_num = num_buffers;
666 drawable->old_w = dri_drawable->w;
667 drawable->old_h = dri_drawable->h;
668 memcpy(drawable->old, buffers, sizeof(__DRIbuffer) * num_buffers);
669 }
670 }
671
672 static void
673 dri2_flush_frontbuffer(struct dri_context *ctx,
674 struct dri_drawable *drawable,
675 enum st_attachment_type statt)
676 {
677 __DRIdrawable *dri_drawable = drawable->dPriv;
678 const __DRIimageLoaderExtension *image = drawable->sPriv->image.loader;
679 const __DRIdri2LoaderExtension *loader = drawable->sPriv->dri2.loader;
680 struct pipe_context *pipe = ctx->st->pipe;
681
682 if (statt != ST_ATTACHMENT_FRONT_LEFT)
683 return;
684
685 if (drawable->stvis.samples > 1) {
686 /* Resolve the front buffer. */
687 dri_pipe_blit(ctx->st->pipe,
688 drawable->textures[ST_ATTACHMENT_FRONT_LEFT],
689 drawable->msaa_textures[ST_ATTACHMENT_FRONT_LEFT]);
690 }
691
692 if (drawable->textures[ST_ATTACHMENT_FRONT_LEFT]) {
693 pipe->flush_resource(pipe, drawable->textures[ST_ATTACHMENT_FRONT_LEFT]);
694 }
695
696 pipe->flush(pipe, NULL, 0);
697
698 if (image) {
699 image->flushFrontBuffer(dri_drawable, dri_drawable->loaderPrivate);
700 }
701 else if (loader->flushFrontBuffer) {
702 loader->flushFrontBuffer(dri_drawable, dri_drawable->loaderPrivate);
703 }
704 }
705
706 /**
707 * The struct dri_drawable flush_swapbuffers callback
708 */
709 static void
710 dri2_flush_swapbuffers(struct dri_context *ctx,
711 struct dri_drawable *drawable)
712 {
713 __DRIdrawable *dri_drawable = drawable->dPriv;
714 const __DRIimageLoaderExtension *image = drawable->sPriv->image.loader;
715
716 if (image && image->base.version >= 3 && image->flushSwapBuffers) {
717 image->flushSwapBuffers(dri_drawable, dri_drawable->loaderPrivate);
718 }
719 }
720
721 static void
722 dri2_update_tex_buffer(struct dri_drawable *drawable,
723 struct dri_context *ctx,
724 struct pipe_resource *res)
725 {
726 /* no-op */
727 }
728
729 static __DRIimage *
730 dri2_create_image_from_winsys(__DRIscreen *_screen,
731 int width, int height, const struct dri2_format_mapping *map,
732 int num_handles, struct winsys_handle *whandle,
733 void *loaderPrivate)
734 {
735 struct dri_screen *screen = dri_screen(_screen);
736 struct pipe_screen *pscreen = screen->base.screen;
737 __DRIimage *img;
738 struct pipe_resource templ;
739 unsigned tex_usage = 0;
740 int i;
741 bool use_lowered = false;
742
743 if (pscreen->is_format_supported(pscreen, map->pipe_format, screen->target, 0, 0,
744 PIPE_BIND_RENDER_TARGET))
745 tex_usage |= PIPE_BIND_RENDER_TARGET;
746 if (pscreen->is_format_supported(pscreen, map->pipe_format, screen->target, 0, 0,
747 PIPE_BIND_SAMPLER_VIEW))
748 tex_usage |= PIPE_BIND_SAMPLER_VIEW;
749
750 if (!tex_usage && util_format_is_yuv(map->pipe_format)) {
751 /* YUV format sampling can be emulated by the GL gallium frontend by
752 * using multiple samplers of varying formats.
753 * If no tex_usage is set and we detect a YUV format,
754 * test for support of all planes' sampler formats and
755 * add sampler view usage.
756 */
757 use_lowered = true;
758 if (dri2_yuv_dma_buf_supported(screen, map))
759 tex_usage |= PIPE_BIND_SAMPLER_VIEW;
760 }
761
762 if (!tex_usage)
763 return NULL;
764
765 img = CALLOC_STRUCT(__DRIimageRec);
766 if (!img)
767 return NULL;
768
769 memset(&templ, 0, sizeof(templ));
770 templ.bind = tex_usage;
771 templ.target = screen->target;
772 templ.last_level = 0;
773 templ.depth0 = 1;
774 templ.array_size = 1;
775
776 for (i = (use_lowered ? map->nplanes : num_handles) - 1; i >= 0; i--) {
777 struct pipe_resource *tex;
778
779 templ.next = img->texture;
780 templ.width0 = width >> map->planes[i].width_shift;
781 templ.height0 = height >> map->planes[i].height_shift;
782 if (use_lowered)
783 templ.format = dri2_get_pipe_format_for_dri_format(map->planes[i].dri_format);
784 else
785 templ.format = map->pipe_format;
786 assert(templ.format != PIPE_FORMAT_NONE);
787
788 tex = pscreen->resource_from_handle(pscreen,
789 &templ, &whandle[use_lowered ? map->planes[i].buffer_index : i],
790 PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE);
791 if (!tex) {
792 pipe_resource_reference(&img->texture, NULL);
793 FREE(img);
794 return NULL;
795 }
796
797 img->texture = tex;
798 }
799
800 img->level = 0;
801 img->layer = 0;
802 img->use = 0;
803 img->loader_private = loaderPrivate;
804 img->lowered_yuv = use_lowered;
805
806 return img;
807 }
808
809 static __DRIimage *
810 dri2_create_image_from_name(__DRIscreen *_screen,
811 int width, int height, int format,
812 int name, int pitch, void *loaderPrivate)
813 {
814 const struct dri2_format_mapping *map = dri2_get_mapping_by_format(format);
815 struct winsys_handle whandle;
816 __DRIimage *img;
817
818 if (!map)
819 return NULL;
820
821 memset(&whandle, 0, sizeof(whandle));
822 whandle.type = WINSYS_HANDLE_TYPE_SHARED;
823 whandle.handle = name;
824 whandle.format = map->pipe_format;
825 whandle.modifier = DRM_FORMAT_MOD_INVALID;
826
827 whandle.stride = pitch * util_format_get_blocksize(map->pipe_format);
828
829 img = dri2_create_image_from_winsys(_screen, width, height, map,
830 1, &whandle, loaderPrivate);
831
832 if (!img)
833 return NULL;
834
835 img->dri_components = map->dri_components;
836 img->dri_fourcc = map->dri_fourcc;
837 img->dri_format = map->dri_format;
838
839 return img;
840 }
841
842 static unsigned
843 dri2_get_modifier_num_planes(uint64_t modifier, int fourcc)
844 {
845 const struct dri2_format_mapping *map = dri2_get_mapping_by_fourcc(fourcc);
846
847 if (!map)
848 return 0;
849
850 switch (modifier) {
851 case I915_FORMAT_MOD_Y_TILED_CCS:
852 return 2;
853 case DRM_FORMAT_MOD_BROADCOM_UIF:
854 case DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED:
855 case DRM_FORMAT_MOD_LINEAR:
856 /* DRM_FORMAT_MOD_NONE is the same as LINEAR */
857 case DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK_EIGHT_GOB:
858 case DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK_FOUR_GOB:
859 case DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK_ONE_GOB:
860 case DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK_SIXTEEN_GOB:
861 case DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK_THIRTYTWO_GOB:
862 case DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK_TWO_GOB:
863 case DRM_FORMAT_MOD_QCOM_COMPRESSED:
864 case DRM_FORMAT_MOD_VIVANTE_SPLIT_SUPER_TILED:
865 case DRM_FORMAT_MOD_VIVANTE_SPLIT_TILED:
866 case DRM_FORMAT_MOD_VIVANTE_SUPER_TILED:
867 case DRM_FORMAT_MOD_VIVANTE_TILED:
868 /* FD_FORMAT_MOD_QCOM_TILED is not in drm_fourcc.h */
869 case I915_FORMAT_MOD_X_TILED:
870 case I915_FORMAT_MOD_Y_TILED:
871 case DRM_FORMAT_MOD_INVALID:
872 return map->nplanes;
873 default:
874 return 0;
875 }
876 }
877
878 static __DRIimage *
879 dri2_create_image_from_fd(__DRIscreen *_screen,
880 int width, int height, int fourcc,
881 uint64_t modifier, int *fds, int num_fds,
882 int *strides, int *offsets, unsigned *error,
883 void *loaderPrivate)
884 {
885 struct winsys_handle whandles[3];
886 const struct dri2_format_mapping *map = dri2_get_mapping_by_fourcc(fourcc);
887 __DRIimage *img = NULL;
888 unsigned err = __DRI_IMAGE_ERROR_SUCCESS;
889 int i, expected_num_fds;
890 int num_handles = dri2_get_modifier_num_planes(modifier, fourcc);
891
892 if (!map || num_handles == 0) {
893 err = __DRI_IMAGE_ERROR_BAD_MATCH;
894 goto exit;
895 }
896
897 switch (fourcc) {
898 case DRM_FORMAT_YUYV:
899 case DRM_FORMAT_UYVY:
900 expected_num_fds = 1;
901 break;
902 default:
903 expected_num_fds = num_handles;
904 break;
905 }
906
907 if (num_fds != expected_num_fds) {
908 err = __DRI_IMAGE_ERROR_BAD_MATCH;
909 goto exit;
910 }
911
912 memset(whandles, 0, sizeof(whandles));
913
914 for (i = 0; i < num_fds; i++) {
915 if (fds[i] < 0) {
916 err = __DRI_IMAGE_ERROR_BAD_ALLOC;
917 goto exit;
918 }
919
920 whandles[i].type = WINSYS_HANDLE_TYPE_FD;
921 whandles[i].handle = (unsigned)fds[i];
922 whandles[i].stride = (unsigned)strides[i];
923 whandles[i].offset = (unsigned)offsets[i];
924 whandles[i].format = map->pipe_format;
925 whandles[i].modifier = modifier;
926 whandles[i].plane = i;
927 }
928
929 img = dri2_create_image_from_winsys(_screen, width, height, map,
930 num_fds, whandles, loaderPrivate);
931 if(img == NULL) {
932 err = __DRI_IMAGE_ERROR_BAD_ALLOC;
933 goto exit;
934 }
935
936 img->dri_components = map->dri_components;
937 img->dri_fourcc = fourcc;
938 img->dri_format = map->dri_format;
939 img->imported_dmabuf = TRUE;
940
941 exit:
942 if (error)
943 *error = err;
944
945 return img;
946 }
947
948 static __DRIimage *
949 dri2_create_image_common(__DRIscreen *_screen,
950 int width, int height,
951 int format, unsigned int use,
952 const uint64_t *modifiers,
953 const unsigned count,
954 void *loaderPrivate)
955 {
956 const struct dri2_format_mapping *map = dri2_get_mapping_by_format(format);
957 struct dri_screen *screen = dri_screen(_screen);
958 __DRIimage *img;
959 struct pipe_resource templ;
960 unsigned tex_usage;
961
962 if (!map)
963 return NULL;
964
965 tex_usage = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
966
967 if (use & __DRI_IMAGE_USE_SCANOUT)
968 tex_usage |= PIPE_BIND_SCANOUT;
969 if (use & __DRI_IMAGE_USE_SHARE)
970 tex_usage |= PIPE_BIND_SHARED;
971 if (use & __DRI_IMAGE_USE_LINEAR)
972 tex_usage |= PIPE_BIND_LINEAR;
973 if (use & __DRI_IMAGE_USE_CURSOR) {
974 if (width != 64 || height != 64)
975 return NULL;
976 tex_usage |= PIPE_BIND_CURSOR;
977 }
978
979 img = CALLOC_STRUCT(__DRIimageRec);
980 if (!img)
981 return NULL;
982
983 memset(&templ, 0, sizeof(templ));
984 templ.bind = tex_usage;
985 templ.format = map->pipe_format;
986 templ.target = PIPE_TEXTURE_2D;
987 templ.last_level = 0;
988 templ.width0 = width;
989 templ.height0 = height;
990 templ.depth0 = 1;
991 templ.array_size = 1;
992
993 if (modifiers)
994 img->texture =
995 screen->base.screen
996 ->resource_create_with_modifiers(screen->base.screen,
997 &templ,
998 modifiers,
999 count);
1000 else
1001 img->texture =
1002 screen->base.screen->resource_create(screen->base.screen, &templ);
1003 if (!img->texture) {
1004 FREE(img);
1005 return NULL;
1006 }
1007
1008 img->level = 0;
1009 img->layer = 0;
1010 img->dri_format = format;
1011 img->dri_fourcc = map->dri_fourcc;
1012 img->dri_components = 0;
1013 img->use = use;
1014 img->lowered_yuv = false;
1015
1016 img->loader_private = loaderPrivate;
1017 return img;
1018 }
1019
1020 static __DRIimage *
1021 dri2_create_image(__DRIscreen *_screen,
1022 int width, int height, int format,
1023 unsigned int use, void *loaderPrivate)
1024 {
1025 return dri2_create_image_common(_screen, width, height, format, use,
1026 NULL /* modifiers */, 0 /* count */,
1027 loaderPrivate);
1028 }
1029
1030 static __DRIimage *
1031 dri2_create_image_with_modifiers(__DRIscreen *dri_screen,
1032 int width, int height, int format,
1033 const uint64_t *modifiers,
1034 const unsigned count,
1035 void *loaderPrivate)
1036 {
1037 return dri2_create_image_common(dri_screen, width, height, format,
1038 __DRI_IMAGE_USE_SHARE, modifiers, count,
1039 loaderPrivate);
1040 }
1041
1042 static bool
1043 dri2_query_image_common(__DRIimage *image, int attrib, int *value)
1044 {
1045 switch (attrib) {
1046 case __DRI_IMAGE_ATTRIB_FORMAT:
1047 *value = image->dri_format;
1048 return true;
1049 case __DRI_IMAGE_ATTRIB_WIDTH:
1050 *value = image->texture->width0;
1051 return true;
1052 case __DRI_IMAGE_ATTRIB_HEIGHT:
1053 *value = image->texture->height0;
1054 return true;
1055 case __DRI_IMAGE_ATTRIB_COMPONENTS:
1056 if (image->dri_components == 0)
1057 return false;
1058 *value = image->dri_components;
1059 return true;
1060 case __DRI_IMAGE_ATTRIB_FOURCC:
1061 if (image->dri_fourcc) {
1062 *value = image->dri_fourcc;
1063 } else {
1064 const struct dri2_format_mapping *map;
1065
1066 map = dri2_get_mapping_by_format(image->dri_format);
1067 if (!map)
1068 return false;
1069
1070 *value = map->dri_fourcc;
1071 }
1072 return true;
1073 default:
1074 return false;
1075 }
1076 }
1077
1078 static bool
1079 dri2_query_image_by_resource_handle(__DRIimage *image, int attrib, int *value)
1080 {
1081 struct pipe_screen *pscreen = image->texture->screen;
1082 struct winsys_handle whandle;
1083 unsigned usage;
1084 memset(&whandle, 0, sizeof(whandle));
1085 whandle.plane = image->plane;
1086
1087 switch (attrib) {
1088 case __DRI_IMAGE_ATTRIB_STRIDE:
1089 case __DRI_IMAGE_ATTRIB_OFFSET:
1090 case __DRI_IMAGE_ATTRIB_HANDLE:
1091 whandle.type = WINSYS_HANDLE_TYPE_KMS;
1092 break;
1093 case __DRI_IMAGE_ATTRIB_NAME:
1094 whandle.type = WINSYS_HANDLE_TYPE_SHARED;
1095 break;
1096 case __DRI_IMAGE_ATTRIB_FD:
1097 whandle.type = WINSYS_HANDLE_TYPE_FD;
1098 break;
1099 case __DRI_IMAGE_ATTRIB_NUM_PLANES:
1100 *value = 1;
1101 return true;
1102 case __DRI_IMAGE_ATTRIB_MODIFIER_UPPER:
1103 case __DRI_IMAGE_ATTRIB_MODIFIER_LOWER:
1104 whandle.type = WINSYS_HANDLE_TYPE_KMS;
1105 whandle.modifier = DRM_FORMAT_MOD_INVALID;
1106 break;
1107 default:
1108 return false;
1109 }
1110
1111 usage = PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE;
1112
1113 if (image->use & __DRI_IMAGE_USE_BACKBUFFER)
1114 usage |= PIPE_HANDLE_USAGE_EXPLICIT_FLUSH;
1115
1116 if (!pscreen->resource_get_handle(pscreen, NULL, image->texture,
1117 &whandle, usage))
1118 return false;
1119
1120 switch (attrib) {
1121 case __DRI_IMAGE_ATTRIB_STRIDE:
1122 *value = whandle.stride;
1123 return true;
1124 case __DRI_IMAGE_ATTRIB_OFFSET:
1125 *value = whandle.offset;
1126 return true;
1127 case __DRI_IMAGE_ATTRIB_HANDLE:
1128 case __DRI_IMAGE_ATTRIB_NAME:
1129 case __DRI_IMAGE_ATTRIB_FD:
1130 *value = whandle.handle;
1131 return true;
1132 case __DRI_IMAGE_ATTRIB_MODIFIER_UPPER:
1133 if (whandle.modifier == DRM_FORMAT_MOD_INVALID)
1134 return false;
1135 *value = (whandle.modifier >> 32) & 0xffffffff;
1136 return true;
1137 case __DRI_IMAGE_ATTRIB_MODIFIER_LOWER:
1138 if (whandle.modifier == DRM_FORMAT_MOD_INVALID)
1139 return false;
1140 *value = whandle.modifier & 0xffffffff;
1141 return true;
1142 default:
1143 return false;
1144 }
1145 }
1146
1147 static bool
1148 dri2_resource_get_param(__DRIimage *image, enum pipe_resource_param param,
1149 unsigned handle_usage, uint64_t *value)
1150 {
1151 struct pipe_screen *pscreen = image->texture->screen;
1152 if (!pscreen->resource_get_param)
1153 return false;
1154
1155 return pscreen->resource_get_param(pscreen, NULL, image->texture,
1156 image->plane, 0, param, handle_usage,
1157 value);
1158 }
1159
1160 static bool
1161 dri2_query_image_by_resource_param(__DRIimage *image, int attrib, int *value)
1162 {
1163 enum pipe_resource_param param;
1164 uint64_t res_param;
1165 unsigned handle_usage;
1166
1167 if (!image->texture->screen->resource_get_param)
1168 return false;
1169
1170 switch (attrib) {
1171 case __DRI_IMAGE_ATTRIB_STRIDE:
1172 param = PIPE_RESOURCE_PARAM_STRIDE;
1173 break;
1174 case __DRI_IMAGE_ATTRIB_OFFSET:
1175 param = PIPE_RESOURCE_PARAM_OFFSET;
1176 break;
1177 case __DRI_IMAGE_ATTRIB_NUM_PLANES:
1178 param = PIPE_RESOURCE_PARAM_NPLANES;
1179 break;
1180 case __DRI_IMAGE_ATTRIB_MODIFIER_UPPER:
1181 case __DRI_IMAGE_ATTRIB_MODIFIER_LOWER:
1182 param = PIPE_RESOURCE_PARAM_MODIFIER;
1183 break;
1184 case __DRI_IMAGE_ATTRIB_HANDLE:
1185 param = PIPE_RESOURCE_PARAM_HANDLE_TYPE_KMS;
1186 break;
1187 case __DRI_IMAGE_ATTRIB_NAME:
1188 param = PIPE_RESOURCE_PARAM_HANDLE_TYPE_SHARED;
1189 break;
1190 case __DRI_IMAGE_ATTRIB_FD:
1191 param = PIPE_RESOURCE_PARAM_HANDLE_TYPE_FD;
1192 break;
1193 default:
1194 return false;
1195 }
1196
1197 handle_usage = PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE;
1198
1199 if (image->use & __DRI_IMAGE_USE_BACKBUFFER)
1200 handle_usage |= PIPE_HANDLE_USAGE_EXPLICIT_FLUSH;
1201
1202 if (!dri2_resource_get_param(image, param, handle_usage, &res_param))
1203 return false;
1204
1205 switch (attrib) {
1206 case __DRI_IMAGE_ATTRIB_STRIDE:
1207 case __DRI_IMAGE_ATTRIB_OFFSET:
1208 case __DRI_IMAGE_ATTRIB_NUM_PLANES:
1209 if (res_param > INT_MAX)
1210 return false;
1211 *value = (int)res_param;
1212 return true;
1213 case __DRI_IMAGE_ATTRIB_HANDLE:
1214 case __DRI_IMAGE_ATTRIB_NAME:
1215 case __DRI_IMAGE_ATTRIB_FD:
1216 if (res_param > UINT_MAX)
1217 return false;
1218 *value = (int)res_param;
1219 return true;
1220 case __DRI_IMAGE_ATTRIB_MODIFIER_UPPER:
1221 if (res_param == DRM_FORMAT_MOD_INVALID)
1222 return false;
1223 *value = (res_param >> 32) & 0xffffffff;
1224 return true;
1225 case __DRI_IMAGE_ATTRIB_MODIFIER_LOWER:
1226 if (res_param == DRM_FORMAT_MOD_INVALID)
1227 return false;
1228 *value = res_param & 0xffffffff;
1229 return true;
1230 default:
1231 return false;
1232 }
1233 }
1234
1235 static GLboolean
1236 dri2_query_image(__DRIimage *image, int attrib, int *value)
1237 {
1238 if (dri2_query_image_common(image, attrib, value))
1239 return GL_TRUE;
1240 else if (dri2_query_image_by_resource_param(image, attrib, value))
1241 return GL_TRUE;
1242 else if (dri2_query_image_by_resource_handle(image, attrib, value))
1243 return GL_TRUE;
1244 else
1245 return GL_FALSE;
1246 }
1247
1248 static __DRIimage *
1249 dri2_dup_image(__DRIimage *image, void *loaderPrivate)
1250 {
1251 __DRIimage *img;
1252
1253 img = CALLOC_STRUCT(__DRIimageRec);
1254 if (!img)
1255 return NULL;
1256
1257 img->texture = NULL;
1258 pipe_resource_reference(&img->texture, image->texture);
1259 img->level = image->level;
1260 img->layer = image->layer;
1261 img->dri_format = image->dri_format;
1262 /* This should be 0 for sub images, but dup is also used for base images. */
1263 img->dri_components = image->dri_components;
1264 img->loader_private = loaderPrivate;
1265 img->lowered_yuv = image->lowered_yuv;
1266
1267 return img;
1268 }
1269
1270 static GLboolean
1271 dri2_validate_usage(__DRIimage *image, unsigned int use)
1272 {
1273 if (!image || !image->texture)
1274 return false;
1275
1276 struct pipe_screen *screen = image->texture->screen;
1277 if (!screen->check_resource_capability)
1278 return true;
1279
1280 /* We don't want to check these:
1281 * __DRI_IMAGE_USE_SHARE (all images are shareable)
1282 * __DRI_IMAGE_USE_BACKBUFFER (all images support this)
1283 */
1284 unsigned bind = 0;
1285 if (use & __DRI_IMAGE_USE_SCANOUT)
1286 bind |= PIPE_BIND_SCANOUT;
1287 if (use & __DRI_IMAGE_USE_LINEAR)
1288 bind |= PIPE_BIND_LINEAR;
1289 if (use & __DRI_IMAGE_USE_CURSOR)
1290 bind |= PIPE_BIND_CURSOR;
1291
1292 if (!bind)
1293 return true;
1294
1295 return screen->check_resource_capability(screen, image->texture, bind);
1296 }
1297
1298 static __DRIimage *
1299 dri2_from_names(__DRIscreen *screen, int width, int height, int format,
1300 int *names, int num_names, int *strides, int *offsets,
1301 void *loaderPrivate)
1302 {
1303 const struct dri2_format_mapping *map = dri2_get_mapping_by_format(format);
1304 __DRIimage *img;
1305 struct winsys_handle whandle;
1306
1307 if (!map)
1308 return NULL;
1309
1310 if (num_names != 1)
1311 return NULL;
1312
1313 memset(&whandle, 0, sizeof(whandle));
1314 whandle.type = WINSYS_HANDLE_TYPE_SHARED;
1315 whandle.handle = names[0];
1316 whandle.stride = strides[0];
1317 whandle.offset = offsets[0];
1318 whandle.format = map->pipe_format;
1319 whandle.modifier = DRM_FORMAT_MOD_INVALID;
1320
1321 img = dri2_create_image_from_winsys(screen, width, height, map,
1322 1, &whandle, loaderPrivate);
1323 if (img == NULL)
1324 return NULL;
1325
1326 img->dri_components = map->dri_components;
1327 img->dri_fourcc = map->dri_fourcc;
1328 img->dri_format = map->pipe_format;
1329
1330 return img;
1331 }
1332
1333 static __DRIimage *
1334 dri2_from_planar(__DRIimage *image, int plane, void *loaderPrivate)
1335 {
1336 __DRIimage *img;
1337
1338 if (plane < 0) {
1339 return NULL;
1340 } else if (plane > 0) {
1341 uint64_t planes;
1342 if (!dri2_resource_get_param(image, PIPE_RESOURCE_PARAM_NPLANES, 0,
1343 &planes) ||
1344 plane >= planes) {
1345 return NULL;
1346 }
1347 }
1348
1349 if (image->dri_components == 0) {
1350 uint64_t modifier;
1351 if (!dri2_resource_get_param(image, PIPE_RESOURCE_PARAM_MODIFIER, 0,
1352 &modifier) ||
1353 modifier == DRM_FORMAT_MOD_INVALID) {
1354 return NULL;
1355 }
1356 }
1357
1358 img = dri2_dup_image(image, loaderPrivate);
1359 if (img == NULL)
1360 return NULL;
1361
1362 if (img->texture->screen->resource_changed)
1363 img->texture->screen->resource_changed(img->texture->screen,
1364 img->texture);
1365
1366 /* set this to 0 for sub images. */
1367 img->dri_components = 0;
1368 img->plane = plane;
1369 return img;
1370 }
1371
1372 static __DRIimage *
1373 dri2_from_fds(__DRIscreen *screen, int width, int height, int fourcc,
1374 int *fds, int num_fds, int *strides, int *offsets,
1375 void *loaderPrivate)
1376 {
1377 return dri2_create_image_from_fd(screen, width, height, fourcc,
1378 DRM_FORMAT_MOD_INVALID, fds, num_fds,
1379 strides, offsets, NULL, loaderPrivate);
1380 }
1381
1382 static boolean
1383 dri2_query_dma_buf_modifiers(__DRIscreen *_screen, int fourcc, int max,
1384 uint64_t *modifiers, unsigned int *external_only,
1385 int *count)
1386 {
1387 struct dri_screen *screen = dri_screen(_screen);
1388 struct pipe_screen *pscreen = screen->base.screen;
1389 const struct dri2_format_mapping *map = dri2_get_mapping_by_fourcc(fourcc);
1390 enum pipe_format format;
1391
1392 if (!map)
1393 return false;
1394
1395 format = map->pipe_format;
1396
1397 if (pscreen->is_format_supported(pscreen, format, screen->target, 0, 0,
1398 PIPE_BIND_RENDER_TARGET) ||
1399 pscreen->is_format_supported(pscreen, format, screen->target, 0, 0,
1400 PIPE_BIND_SAMPLER_VIEW) ||
1401 dri2_yuv_dma_buf_supported(screen, map)) {
1402 if (pscreen->query_dmabuf_modifiers != NULL)
1403 pscreen->query_dmabuf_modifiers(pscreen, format, max, modifiers,
1404 external_only, count);
1405 else
1406 *count = 0;
1407 return true;
1408 }
1409 return false;
1410 }
1411
1412 static boolean
1413 dri2_query_dma_buf_format_modifier_attribs(__DRIscreen *_screen,
1414 uint32_t fourcc, uint64_t modifier,
1415 int attrib, uint64_t *value)
1416 {
1417 struct dri_screen *screen = dri_screen(_screen);
1418 struct pipe_screen *pscreen = screen->base.screen;
1419
1420 if (!pscreen->query_dmabuf_modifiers)
1421 return false;
1422
1423 switch (attrib) {
1424 case __DRI_IMAGE_FORMAT_MODIFIER_ATTRIB_PLANE_COUNT: {
1425 uint64_t mod_planes = dri2_get_modifier_num_planes(modifier, fourcc);
1426 if (mod_planes > 0)
1427 *value = mod_planes;
1428 return mod_planes > 0;
1429 }
1430 default:
1431 return false;
1432 }
1433 }
1434
1435 static __DRIimage *
1436 dri2_from_dma_bufs(__DRIscreen *screen,
1437 int width, int height, int fourcc,
1438 int *fds, int num_fds,
1439 int *strides, int *offsets,
1440 enum __DRIYUVColorSpace yuv_color_space,
1441 enum __DRISampleRange sample_range,
1442 enum __DRIChromaSiting horizontal_siting,
1443 enum __DRIChromaSiting vertical_siting,
1444 unsigned *error,
1445 void *loaderPrivate)
1446 {
1447 __DRIimage *img;
1448
1449 img = dri2_create_image_from_fd(screen, width, height, fourcc,
1450 DRM_FORMAT_MOD_INVALID, fds, num_fds,
1451 strides, offsets, error, loaderPrivate);
1452 if (img == NULL)
1453 return NULL;
1454
1455 img->yuv_color_space = yuv_color_space;
1456 img->sample_range = sample_range;
1457 img->horizontal_siting = horizontal_siting;
1458 img->vertical_siting = vertical_siting;
1459
1460 *error = __DRI_IMAGE_ERROR_SUCCESS;
1461 return img;
1462 }
1463
1464 static __DRIimage *
1465 dri2_from_dma_bufs2(__DRIscreen *screen,
1466 int width, int height, int fourcc,
1467 uint64_t modifier, int *fds, int num_fds,
1468 int *strides, int *offsets,
1469 enum __DRIYUVColorSpace yuv_color_space,
1470 enum __DRISampleRange sample_range,
1471 enum __DRIChromaSiting horizontal_siting,
1472 enum __DRIChromaSiting vertical_siting,
1473 unsigned *error,
1474 void *loaderPrivate)
1475 {
1476 __DRIimage *img;
1477
1478 img = dri2_create_image_from_fd(screen, width, height, fourcc,
1479 modifier, fds, num_fds, strides, offsets,
1480 error, loaderPrivate);
1481 if (img == NULL)
1482 return NULL;
1483
1484 img->yuv_color_space = yuv_color_space;
1485 img->sample_range = sample_range;
1486 img->horizontal_siting = horizontal_siting;
1487 img->vertical_siting = vertical_siting;
1488
1489 *error = __DRI_IMAGE_ERROR_SUCCESS;
1490 return img;
1491 }
1492
1493 static void
1494 dri2_blit_image(__DRIcontext *context, __DRIimage *dst, __DRIimage *src,
1495 int dstx0, int dsty0, int dstwidth, int dstheight,
1496 int srcx0, int srcy0, int srcwidth, int srcheight,
1497 int flush_flag)
1498 {
1499 struct dri_context *ctx = dri_context(context);
1500 struct pipe_context *pipe = ctx->st->pipe;
1501 struct pipe_screen *screen;
1502 struct pipe_fence_handle *fence;
1503 struct pipe_blit_info blit;
1504
1505 if (!dst || !src)
1506 return;
1507
1508 memset(&blit, 0, sizeof(blit));
1509 blit.dst.resource = dst->texture;
1510 blit.dst.box.x = dstx0;
1511 blit.dst.box.y = dsty0;
1512 blit.dst.box.width = dstwidth;
1513 blit.dst.box.height = dstheight;
1514 blit.dst.box.depth = 1;
1515 blit.dst.format = dst->texture->format;
1516 blit.src.resource = src->texture;
1517 blit.src.box.x = srcx0;
1518 blit.src.box.y = srcy0;
1519 blit.src.box.width = srcwidth;
1520 blit.src.box.height = srcheight;
1521 blit.src.box.depth = 1;
1522 blit.src.format = src->texture->format;
1523 blit.mask = PIPE_MASK_RGBA;
1524 blit.filter = PIPE_TEX_FILTER_NEAREST;
1525
1526 pipe->blit(pipe, &blit);
1527
1528 if (flush_flag == __BLIT_FLAG_FLUSH) {
1529 pipe->flush_resource(pipe, dst->texture);
1530 ctx->st->flush(ctx->st, 0, NULL, NULL, NULL);
1531 } else if (flush_flag == __BLIT_FLAG_FINISH) {
1532 screen = dri_screen(ctx->sPriv)->base.screen;
1533 pipe->flush_resource(pipe, dst->texture);
1534 ctx->st->flush(ctx->st, 0, &fence, NULL, NULL);
1535 (void) screen->fence_finish(screen, NULL, fence, PIPE_TIMEOUT_INFINITE);
1536 screen->fence_reference(screen, &fence, NULL);
1537 }
1538 }
1539
1540 static void *
1541 dri2_map_image(__DRIcontext *context, __DRIimage *image,
1542 int x0, int y0, int width, int height,
1543 unsigned int flags, int *stride, void **data)
1544 {
1545 struct dri_context *ctx = dri_context(context);
1546 struct pipe_context *pipe = ctx->st->pipe;
1547 enum pipe_transfer_usage pipe_access = 0;
1548 struct pipe_resource *resource = image->texture;
1549 struct pipe_transfer *trans;
1550 void *map;
1551
1552 if (!image || !data || *data)
1553 return NULL;
1554
1555 if (image->lowered_yuv) {
1556 unsigned plane = image->plane;
1557 if (plane >= dri2_get_mapping_by_format(image->dri_format)->nplanes)
1558 return NULL;
1559
1560 while (plane--)
1561 resource = resource->next;
1562 } else if (dri2_get_mapping_by_format(image->dri_format)->nplanes > 1)
1563 return NULL;
1564
1565 if (flags & __DRI_IMAGE_TRANSFER_READ)
1566 pipe_access |= PIPE_TRANSFER_READ;
1567 if (flags & __DRI_IMAGE_TRANSFER_WRITE)
1568 pipe_access |= PIPE_TRANSFER_WRITE;
1569
1570 map = pipe_transfer_map(pipe, resource, 0, 0, pipe_access, x0, y0,
1571 width, height, &trans);
1572 if (map) {
1573 *data = trans;
1574 *stride = trans->stride;
1575 }
1576
1577 return map;
1578 }
1579
1580 static void
1581 dri2_unmap_image(__DRIcontext *context, __DRIimage *image, void *data)
1582 {
1583 struct dri_context *ctx = dri_context(context);
1584 struct pipe_context *pipe = ctx->st->pipe;
1585
1586 pipe_transfer_unmap(pipe, (struct pipe_transfer *)data);
1587 }
1588
1589 static int
1590 dri2_get_capabilities(__DRIscreen *_screen)
1591 {
1592 struct dri_screen *screen = dri_screen(_screen);
1593
1594 return (screen->can_share_buffer ? __DRI_IMAGE_CAP_GLOBAL_NAMES : 0);
1595 }
1596
1597 /* The extension is modified during runtime if DRI_PRIME is detected */
1598 static __DRIimageExtension dri2ImageExtension = {
1599 .base = { __DRI_IMAGE, 17 },
1600
1601 .createImageFromName = dri2_create_image_from_name,
1602 .createImageFromRenderbuffer = dri2_create_image_from_renderbuffer,
1603 .destroyImage = dri2_destroy_image,
1604 .createImage = dri2_create_image,
1605 .queryImage = dri2_query_image,
1606 .dupImage = dri2_dup_image,
1607 .validateUsage = dri2_validate_usage,
1608 .createImageFromNames = dri2_from_names,
1609 .fromPlanar = dri2_from_planar,
1610 .createImageFromTexture = dri2_create_from_texture,
1611 .createImageFromFds = NULL,
1612 .createImageFromDmaBufs = NULL,
1613 .blitImage = dri2_blit_image,
1614 .getCapabilities = dri2_get_capabilities,
1615 .mapImage = dri2_map_image,
1616 .unmapImage = dri2_unmap_image,
1617 .createImageWithModifiers = NULL,
1618 .createImageFromDmaBufs2 = NULL,
1619 .queryDmaBufFormats = NULL,
1620 .queryDmaBufModifiers = NULL,
1621 .queryDmaBufFormatModifierAttribs = NULL,
1622 .createImageFromRenderbuffer2 = dri2_create_image_from_renderbuffer2,
1623 };
1624
1625 static const __DRIrobustnessExtension dri2Robustness = {
1626 .base = { __DRI2_ROBUSTNESS, 1 }
1627 };
1628
1629 static int
1630 dri2_interop_query_device_info(__DRIcontext *_ctx,
1631 struct mesa_glinterop_device_info *out)
1632 {
1633 struct pipe_screen *screen = dri_context(_ctx)->st->pipe->screen;
1634
1635 /* There is no version 0, thus we do not support it */
1636 if (out->version == 0)
1637 return MESA_GLINTEROP_INVALID_VERSION;
1638
1639 out->pci_segment_group = screen->get_param(screen, PIPE_CAP_PCI_GROUP);
1640 out->pci_bus = screen->get_param(screen, PIPE_CAP_PCI_BUS);
1641 out->pci_device = screen->get_param(screen, PIPE_CAP_PCI_DEVICE);
1642 out->pci_function = screen->get_param(screen, PIPE_CAP_PCI_FUNCTION);
1643
1644 out->vendor_id = screen->get_param(screen, PIPE_CAP_VENDOR_ID);
1645 out->device_id = screen->get_param(screen, PIPE_CAP_DEVICE_ID);
1646
1647 /* Instruct the caller that we support up-to version one of the interface */
1648 out->version = 1;
1649
1650 return MESA_GLINTEROP_SUCCESS;
1651 }
1652
1653 static int
1654 dri2_interop_export_object(__DRIcontext *_ctx,
1655 struct mesa_glinterop_export_in *in,
1656 struct mesa_glinterop_export_out *out)
1657 {
1658 struct st_context_iface *st = dri_context(_ctx)->st;
1659 struct pipe_screen *screen = st->pipe->screen;
1660 struct gl_context *ctx = ((struct st_context *)st)->ctx;
1661 struct pipe_resource *res = NULL;
1662 struct winsys_handle whandle;
1663 unsigned target, usage;
1664 boolean success;
1665
1666 /* There is no version 0, thus we do not support it */
1667 if (in->version == 0 || out->version == 0)
1668 return MESA_GLINTEROP_INVALID_VERSION;
1669
1670 /* Validate the target. */
1671 switch (in->target) {
1672 case GL_TEXTURE_BUFFER:
1673 case GL_TEXTURE_1D:
1674 case GL_TEXTURE_2D:
1675 case GL_TEXTURE_3D:
1676 case GL_TEXTURE_RECTANGLE:
1677 case GL_TEXTURE_1D_ARRAY:
1678 case GL_TEXTURE_2D_ARRAY:
1679 case GL_TEXTURE_CUBE_MAP_ARRAY:
1680 case GL_TEXTURE_CUBE_MAP:
1681 case GL_TEXTURE_2D_MULTISAMPLE:
1682 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
1683 case GL_TEXTURE_EXTERNAL_OES:
1684 case GL_RENDERBUFFER:
1685 case GL_ARRAY_BUFFER:
1686 target = in->target;
1687 break;
1688 case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
1689 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
1690 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
1691 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
1692 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
1693 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
1694 target = GL_TEXTURE_CUBE_MAP;
1695 break;
1696 default:
1697 return MESA_GLINTEROP_INVALID_TARGET;
1698 }
1699
1700 /* Validate the simple case of miplevel. */
1701 if ((target == GL_RENDERBUFFER || target == GL_ARRAY_BUFFER) &&
1702 in->miplevel != 0)
1703 return MESA_GLINTEROP_INVALID_MIP_LEVEL;
1704
1705 /* Validate the OpenGL object and get pipe_resource. */
1706 simple_mtx_lock(&ctx->Shared->Mutex);
1707
1708 if (target == GL_ARRAY_BUFFER) {
1709 /* Buffer objects.
1710 *
1711 * The error checking is based on the documentation of
1712 * clCreateFromGLBuffer from OpenCL 2.0 SDK.
1713 */
1714 struct gl_buffer_object *buf = _mesa_lookup_bufferobj(ctx, in->obj);
1715
1716 /* From OpenCL 2.0 SDK, clCreateFromGLBuffer:
1717 * "CL_INVALID_GL_OBJECT if bufobj is not a GL buffer object or is
1718 * a GL buffer object but does not have an existing data store or
1719 * the size of the buffer is 0."
1720 */
1721 if (!buf || buf->Size == 0) {
1722 simple_mtx_unlock(&ctx->Shared->Mutex);
1723 return MESA_GLINTEROP_INVALID_OBJECT;
1724 }
1725
1726 res = st_buffer_object(buf)->buffer;
1727 if (!res) {
1728 /* this shouldn't happen */
1729 simple_mtx_unlock(&ctx->Shared->Mutex);
1730 return MESA_GLINTEROP_INVALID_OBJECT;
1731 }
1732
1733 out->buf_offset = 0;
1734 out->buf_size = buf->Size;
1735
1736 buf->UsageHistory |= USAGE_DISABLE_MINMAX_CACHE;
1737 } else if (target == GL_RENDERBUFFER) {
1738 /* Renderbuffers.
1739 *
1740 * The error checking is based on the documentation of
1741 * clCreateFromGLRenderbuffer from OpenCL 2.0 SDK.
1742 */
1743 struct gl_renderbuffer *rb = _mesa_lookup_renderbuffer(ctx, in->obj);
1744
1745 /* From OpenCL 2.0 SDK, clCreateFromGLRenderbuffer:
1746 * "CL_INVALID_GL_OBJECT if renderbuffer is not a GL renderbuffer
1747 * object or if the width or height of renderbuffer is zero."
1748 */
1749 if (!rb || rb->Width == 0 || rb->Height == 0) {
1750 simple_mtx_unlock(&ctx->Shared->Mutex);
1751 return MESA_GLINTEROP_INVALID_OBJECT;
1752 }
1753
1754 /* From OpenCL 2.0 SDK, clCreateFromGLRenderbuffer:
1755 * "CL_INVALID_OPERATION if renderbuffer is a multi-sample GL
1756 * renderbuffer object."
1757 */
1758 if (rb->NumSamples > 1) {
1759 simple_mtx_unlock(&ctx->Shared->Mutex);
1760 return MESA_GLINTEROP_INVALID_OPERATION;
1761 }
1762
1763 /* From OpenCL 2.0 SDK, clCreateFromGLRenderbuffer:
1764 * "CL_OUT_OF_RESOURCES if there is a failure to allocate resources
1765 * required by the OpenCL implementation on the device."
1766 */
1767 res = st_renderbuffer(rb)->texture;
1768 if (!res) {
1769 simple_mtx_unlock(&ctx->Shared->Mutex);
1770 return MESA_GLINTEROP_OUT_OF_RESOURCES;
1771 }
1772
1773 out->internal_format = rb->InternalFormat;
1774 out->view_minlevel = 0;
1775 out->view_numlevels = 1;
1776 out->view_minlayer = 0;
1777 out->view_numlayers = 1;
1778 } else {
1779 /* Texture objects.
1780 *
1781 * The error checking is based on the documentation of
1782 * clCreateFromGLTexture from OpenCL 2.0 SDK.
1783 */
1784 struct gl_texture_object *obj = _mesa_lookup_texture(ctx, in->obj);
1785
1786 if (obj)
1787 _mesa_test_texobj_completeness(ctx, obj);
1788
1789 /* From OpenCL 2.0 SDK, clCreateFromGLTexture:
1790 * "CL_INVALID_GL_OBJECT if texture is not a GL texture object whose
1791 * type matches texture_target, if the specified miplevel of texture
1792 * is not defined, or if the width or height of the specified
1793 * miplevel is zero or if the GL texture object is incomplete."
1794 */
1795 if (!obj ||
1796 obj->Target != target ||
1797 !obj->_BaseComplete ||
1798 (in->miplevel > 0 && !obj->_MipmapComplete)) {
1799 simple_mtx_unlock(&ctx->Shared->Mutex);
1800 return MESA_GLINTEROP_INVALID_OBJECT;
1801 }
1802
1803 if (target == GL_TEXTURE_BUFFER) {
1804 struct st_buffer_object *stBuf =
1805 st_buffer_object(obj->BufferObject);
1806
1807 if (!stBuf || !stBuf->buffer) {
1808 /* this shouldn't happen */
1809 simple_mtx_unlock(&ctx->Shared->Mutex);
1810 return MESA_GLINTEROP_INVALID_OBJECT;
1811 }
1812 res = stBuf->buffer;
1813
1814 out->internal_format = obj->BufferObjectFormat;
1815 out->buf_offset = obj->BufferOffset;
1816 out->buf_size = obj->BufferSize == -1 ? obj->BufferObject->Size :
1817 obj->BufferSize;
1818
1819 obj->BufferObject->UsageHistory |= USAGE_DISABLE_MINMAX_CACHE;
1820 } else {
1821 /* From OpenCL 2.0 SDK, clCreateFromGLTexture:
1822 * "CL_INVALID_MIP_LEVEL if miplevel is less than the value of
1823 * levelbase (for OpenGL implementations) or zero (for OpenGL ES
1824 * implementations); or greater than the value of q (for both OpenGL
1825 * and OpenGL ES). levelbase and q are defined for the texture in
1826 * section 3.8.10 (Texture Completeness) of the OpenGL 2.1
1827 * specification and section 3.7.10 of the OpenGL ES 2.0."
1828 */
1829 if (in->miplevel < obj->BaseLevel || in->miplevel > obj->_MaxLevel) {
1830 simple_mtx_unlock(&ctx->Shared->Mutex);
1831 return MESA_GLINTEROP_INVALID_MIP_LEVEL;
1832 }
1833
1834 if (!st_finalize_texture(ctx, st->pipe, obj, 0)) {
1835 simple_mtx_unlock(&ctx->Shared->Mutex);
1836 return MESA_GLINTEROP_OUT_OF_RESOURCES;
1837 }
1838
1839 res = st_get_texobj_resource(obj);
1840 if (!res) {
1841 /* Incomplete texture buffer object? This shouldn't really occur. */
1842 simple_mtx_unlock(&ctx->Shared->Mutex);
1843 return MESA_GLINTEROP_INVALID_OBJECT;
1844 }
1845
1846 out->internal_format = obj->Image[0][0]->InternalFormat;
1847 out->view_minlevel = obj->MinLevel;
1848 out->view_numlevels = obj->NumLevels;
1849 out->view_minlayer = obj->MinLayer;
1850 out->view_numlayers = obj->NumLayers;
1851 }
1852 }
1853
1854 /* Get the handle. */
1855 switch (in->access) {
1856 case MESA_GLINTEROP_ACCESS_READ_ONLY:
1857 usage = 0;
1858 break;
1859 case MESA_GLINTEROP_ACCESS_READ_WRITE:
1860 case MESA_GLINTEROP_ACCESS_WRITE_ONLY:
1861 usage = PIPE_HANDLE_USAGE_SHADER_WRITE;
1862 break;
1863 default:
1864 usage = 0;
1865 }
1866
1867 memset(&whandle, 0, sizeof(whandle));
1868 whandle.type = WINSYS_HANDLE_TYPE_FD;
1869
1870 success = screen->resource_get_handle(screen, st->pipe, res, &whandle,
1871 usage);
1872 simple_mtx_unlock(&ctx->Shared->Mutex);
1873
1874 if (!success)
1875 return MESA_GLINTEROP_OUT_OF_HOST_MEMORY;
1876
1877 out->dmabuf_fd = whandle.handle;
1878 out->out_driver_data_written = 0;
1879
1880 if (res->target == PIPE_BUFFER)
1881 out->buf_offset += whandle.offset;
1882
1883 /* Instruct the caller that we support up-to version one of the interface */
1884 in->version = 1;
1885 out->version = 1;
1886
1887 return MESA_GLINTEROP_SUCCESS;
1888 }
1889
1890 static const __DRI2interopExtension dri2InteropExtension = {
1891 .base = { __DRI2_INTEROP, 1 },
1892 .query_device_info = dri2_interop_query_device_info,
1893 .export_object = dri2_interop_export_object
1894 };
1895
1896 /**
1897 * \brief the DRI2bufferDamageExtension set_damage_region method
1898 */
1899 static void
1900 dri2_set_damage_region(__DRIdrawable *dPriv, unsigned int nrects, int *rects)
1901 {
1902 struct dri_drawable *drawable = dri_drawable(dPriv);
1903 struct pipe_box *boxes = NULL;
1904
1905 if (nrects) {
1906 boxes = CALLOC(nrects, sizeof(*boxes));
1907 assert(boxes);
1908
1909 for (unsigned int i = 0; i < nrects; i++) {
1910 int *rect = &rects[i * 4];
1911
1912 u_box_2d(rect[0], rect[1], rect[2], rect[3], &boxes[i]);
1913 }
1914 }
1915
1916 FREE(drawable->damage_rects);
1917 drawable->damage_rects = boxes;
1918 drawable->num_damage_rects = nrects;
1919
1920 /* Only apply the damage region if the BACK_LEFT texture is up-to-date. */
1921 if (drawable->texture_stamp == drawable->dPriv->lastStamp &&
1922 (drawable->texture_mask & (1 << ST_ATTACHMENT_BACK_LEFT))) {
1923 struct pipe_screen *screen = drawable->screen->base.screen;
1924 struct pipe_resource *resource;
1925
1926 if (drawable->stvis.samples > 1)
1927 resource = drawable->msaa_textures[ST_ATTACHMENT_BACK_LEFT];
1928 else
1929 resource = drawable->textures[ST_ATTACHMENT_BACK_LEFT];
1930
1931 screen->set_damage_region(screen, resource,
1932 drawable->num_damage_rects,
1933 drawable->damage_rects);
1934 }
1935 }
1936
1937 static __DRI2bufferDamageExtension dri2BufferDamageExtension = {
1938 .base = { __DRI2_BUFFER_DAMAGE, 1 },
1939 };
1940
1941 /**
1942 * \brief the DRI2ConfigQueryExtension configQueryb method
1943 */
1944 static int
1945 dri2GalliumConfigQueryb(__DRIscreen *sPriv, const char *var,
1946 unsigned char *val)
1947 {
1948 struct dri_screen *screen = dri_screen(sPriv);
1949
1950 if (!driCheckOption(&screen->dev->option_cache, var, DRI_BOOL))
1951 return dri2ConfigQueryExtension.configQueryb(sPriv, var, val);
1952
1953 *val = driQueryOptionb(&screen->dev->option_cache, var);
1954
1955 return 0;
1956 }
1957
1958 /**
1959 * \brief the DRI2ConfigQueryExtension configQueryi method
1960 */
1961 static int
1962 dri2GalliumConfigQueryi(__DRIscreen *sPriv, const char *var, int *val)
1963 {
1964 struct dri_screen *screen = dri_screen(sPriv);
1965
1966 if (!driCheckOption(&screen->dev->option_cache, var, DRI_INT) &&
1967 !driCheckOption(&screen->dev->option_cache, var, DRI_ENUM))
1968 return dri2ConfigQueryExtension.configQueryi(sPriv, var, val);
1969
1970 *val = driQueryOptioni(&screen->dev->option_cache, var);
1971
1972 return 0;
1973 }
1974
1975 /**
1976 * \brief the DRI2ConfigQueryExtension configQueryf method
1977 */
1978 static int
1979 dri2GalliumConfigQueryf(__DRIscreen *sPriv, const char *var, float *val)
1980 {
1981 struct dri_screen *screen = dri_screen(sPriv);
1982
1983 if (!driCheckOption(&screen->dev->option_cache, var, DRI_FLOAT))
1984 return dri2ConfigQueryExtension.configQueryf(sPriv, var, val);
1985
1986 *val = driQueryOptionf(&screen->dev->option_cache, var);
1987
1988 return 0;
1989 }
1990
1991 /**
1992 * \brief the DRI2ConfigQueryExtension struct.
1993 *
1994 * We first query the driver option cache. Then the dri2 option cache.
1995 */
1996 static const __DRI2configQueryExtension dri2GalliumConfigQueryExtension = {
1997 .base = { __DRI2_CONFIG_QUERY, 1 },
1998
1999 .configQueryb = dri2GalliumConfigQueryb,
2000 .configQueryi = dri2GalliumConfigQueryi,
2001 .configQueryf = dri2GalliumConfigQueryf,
2002 };
2003
2004 /**
2005 * \brief the DRI2blobExtension set_cache_funcs method
2006 */
2007 static void
2008 set_blob_cache_funcs(__DRIscreen *sPriv, __DRIblobCacheSet set,
2009 __DRIblobCacheGet get)
2010 {
2011 struct dri_screen *screen = dri_screen(sPriv);
2012 struct pipe_screen *pscreen = screen->base.screen;
2013
2014 if (!pscreen->get_disk_shader_cache)
2015 return;
2016
2017 struct disk_cache *cache = pscreen->get_disk_shader_cache(pscreen);
2018
2019 if (!cache)
2020 return;
2021
2022 disk_cache_set_callbacks(cache, set, get);
2023 }
2024
2025 static const __DRI2blobExtension driBlobExtension = {
2026 .base = { __DRI2_BLOB, 1 },
2027 .set_cache_funcs = set_blob_cache_funcs
2028 };
2029
2030 /*
2031 * Backend function init_screen.
2032 */
2033
2034 static const __DRIextension *dri_screen_extensions[] = {
2035 &driTexBufferExtension.base,
2036 &dri2FlushExtension.base,
2037 &dri2ImageExtension.base,
2038 &dri2RendererQueryExtension.base,
2039 &dri2GalliumConfigQueryExtension.base,
2040 &dri2ThrottleExtension.base,
2041 &dri2FenceExtension.base,
2042 &dri2BufferDamageExtension.base,
2043 &dri2InteropExtension.base,
2044 &dri2NoErrorExtension.base,
2045 &driBlobExtension.base,
2046 NULL
2047 };
2048
2049 static const __DRIextension *dri_robust_screen_extensions[] = {
2050 &driTexBufferExtension.base,
2051 &dri2FlushExtension.base,
2052 &dri2ImageExtension.base,
2053 &dri2RendererQueryExtension.base,
2054 &dri2GalliumConfigQueryExtension.base,
2055 &dri2ThrottleExtension.base,
2056 &dri2FenceExtension.base,
2057 &dri2InteropExtension.base,
2058 &dri2BufferDamageExtension.base,
2059 &dri2Robustness.base,
2060 &dri2NoErrorExtension.base,
2061 &driBlobExtension.base,
2062 NULL
2063 };
2064
2065 /**
2066 * This is the driver specific part of the createNewScreen entry point.
2067 *
2068 * Returns the struct gl_config supported by this driver.
2069 */
2070 static const __DRIconfig **
2071 dri2_init_screen(__DRIscreen * sPriv)
2072 {
2073 const __DRIconfig **configs;
2074 struct dri_screen *screen;
2075 struct pipe_screen *pscreen = NULL;
2076
2077 screen = CALLOC_STRUCT(dri_screen);
2078 if (!screen)
2079 return NULL;
2080
2081 screen->sPriv = sPriv;
2082 screen->fd = sPriv->fd;
2083 (void) mtx_init(&screen->opencl_func_mutex, mtx_plain);
2084
2085 sPriv->driverPrivate = (void *)screen;
2086
2087 if (pipe_loader_drm_probe_fd(&screen->dev, screen->fd)) {
2088 dri_init_options(screen);
2089
2090 pscreen = pipe_loader_create_screen(screen->dev);
2091 }
2092
2093 if (!pscreen)
2094 goto release_pipe;
2095
2096 screen->throttle = pscreen->get_param(pscreen, PIPE_CAP_THROTTLE);
2097
2098 if (pscreen->resource_create_with_modifiers)
2099 dri2ImageExtension.createImageWithModifiers =
2100 dri2_create_image_with_modifiers;
2101
2102 if (pscreen->get_param(pscreen, PIPE_CAP_DMABUF)) {
2103 uint64_t cap;
2104
2105 if (drmGetCap(sPriv->fd, DRM_CAP_PRIME, &cap) == 0 &&
2106 (cap & DRM_PRIME_CAP_IMPORT)) {
2107 dri2ImageExtension.createImageFromFds = dri2_from_fds;
2108 dri2ImageExtension.createImageFromDmaBufs = dri2_from_dma_bufs;
2109 dri2ImageExtension.createImageFromDmaBufs2 = dri2_from_dma_bufs2;
2110 dri2ImageExtension.queryDmaBufFormats = dri2_query_dma_buf_formats;
2111 dri2ImageExtension.queryDmaBufModifiers =
2112 dri2_query_dma_buf_modifiers;
2113 dri2ImageExtension.queryDmaBufFormatModifierAttribs =
2114 dri2_query_dma_buf_format_modifier_attribs;
2115 }
2116 }
2117
2118 if (pscreen->set_damage_region)
2119 dri2BufferDamageExtension.set_damage_region = dri2_set_damage_region;
2120
2121 if (pscreen->get_param(pscreen, PIPE_CAP_DEVICE_RESET_STATUS_QUERY)) {
2122 sPriv->extensions = dri_robust_screen_extensions;
2123 screen->has_reset_status_query = true;
2124 }
2125 else
2126 sPriv->extensions = dri_screen_extensions;
2127
2128 configs = dri_init_screen_helper(screen, pscreen);
2129 if (!configs)
2130 goto destroy_screen;
2131
2132 screen->can_share_buffer = true;
2133 screen->auto_fake_front = dri_with_format(sPriv);
2134 screen->broken_invalidate = !sPriv->dri2.useInvalidate;
2135 screen->lookup_egl_image = dri2_lookup_egl_image;
2136
2137 return configs;
2138
2139 destroy_screen:
2140 dri_destroy_screen_helper(screen);
2141
2142 release_pipe:
2143 if (screen->dev)
2144 pipe_loader_release(&screen->dev, 1);
2145
2146 FREE(screen);
2147 return NULL;
2148 }
2149
2150 /**
2151 * This is the driver specific part of the createNewScreen entry point.
2152 *
2153 * Returns the struct gl_config supported by this driver.
2154 */
2155 static const __DRIconfig **
2156 dri_kms_init_screen(__DRIscreen * sPriv)
2157 {
2158 #if defined(GALLIUM_SOFTPIPE)
2159 const __DRIconfig **configs;
2160 struct dri_screen *screen;
2161 struct pipe_screen *pscreen = NULL;
2162 uint64_t cap;
2163
2164 screen = CALLOC_STRUCT(dri_screen);
2165 if (!screen)
2166 return NULL;
2167
2168 screen->sPriv = sPriv;
2169 screen->fd = sPriv->fd;
2170
2171 sPriv->driverPrivate = (void *)screen;
2172
2173 if (pipe_loader_sw_probe_kms(&screen->dev, screen->fd)) {
2174 dri_init_options(screen);
2175 pscreen = pipe_loader_create_screen(screen->dev);
2176 }
2177
2178 if (!pscreen)
2179 goto release_pipe;
2180
2181 if (pscreen->resource_create_with_modifiers)
2182 dri2ImageExtension.createImageWithModifiers =
2183 dri2_create_image_with_modifiers;
2184
2185 if (drmGetCap(sPriv->fd, DRM_CAP_PRIME, &cap) == 0 &&
2186 (cap & DRM_PRIME_CAP_IMPORT)) {
2187 dri2ImageExtension.createImageFromFds = dri2_from_fds;
2188 dri2ImageExtension.createImageFromDmaBufs = dri2_from_dma_bufs;
2189 dri2ImageExtension.createImageFromDmaBufs2 = dri2_from_dma_bufs2;
2190 dri2ImageExtension.queryDmaBufFormats = dri2_query_dma_buf_formats;
2191 dri2ImageExtension.queryDmaBufModifiers = dri2_query_dma_buf_modifiers;
2192 }
2193
2194 sPriv->extensions = dri_screen_extensions;
2195
2196 configs = dri_init_screen_helper(screen, pscreen);
2197 if (!configs)
2198 goto destroy_screen;
2199
2200 screen->can_share_buffer = false;
2201 screen->auto_fake_front = dri_with_format(sPriv);
2202 screen->broken_invalidate = !sPriv->dri2.useInvalidate;
2203 screen->lookup_egl_image = dri2_lookup_egl_image;
2204
2205 return configs;
2206
2207 destroy_screen:
2208 dri_destroy_screen_helper(screen);
2209
2210 release_pipe:
2211 if (screen->dev)
2212 pipe_loader_release(&screen->dev, 1);
2213
2214 FREE(screen);
2215 #endif // GALLIUM_SOFTPIPE
2216 return NULL;
2217 }
2218
2219 static boolean
2220 dri2_create_buffer(__DRIscreen * sPriv,
2221 __DRIdrawable * dPriv,
2222 const struct gl_config * visual, boolean isPixmap)
2223 {
2224 struct dri_drawable *drawable = NULL;
2225
2226 if (!dri_create_buffer(sPriv, dPriv, visual, isPixmap))
2227 return FALSE;
2228
2229 drawable = dPriv->driverPrivate;
2230
2231 drawable->allocate_textures = dri2_allocate_textures;
2232 drawable->flush_frontbuffer = dri2_flush_frontbuffer;
2233 drawable->update_tex_buffer = dri2_update_tex_buffer;
2234 drawable->flush_swapbuffers = dri2_flush_swapbuffers;
2235
2236 return TRUE;
2237 }
2238
2239 /**
2240 * DRI driver virtual function table.
2241 *
2242 * DRI versions differ in their implementation of init_screen and swap_buffers.
2243 */
2244 const struct __DriverAPIRec galliumdrm_driver_api = {
2245 .InitScreen = dri2_init_screen,
2246 .DestroyScreen = dri_destroy_screen,
2247 .CreateContext = dri_create_context,
2248 .DestroyContext = dri_destroy_context,
2249 .CreateBuffer = dri2_create_buffer,
2250 .DestroyBuffer = dri_destroy_buffer,
2251 .MakeCurrent = dri_make_current,
2252 .UnbindContext = dri_unbind_context,
2253
2254 .AllocateBuffer = dri2_allocate_buffer,
2255 .ReleaseBuffer = dri2_release_buffer,
2256 };
2257
2258 /**
2259 * DRI driver virtual function table.
2260 *
2261 * KMS/DRM version of the DriverAPI above sporting a different InitScreen
2262 * hook. The latter is used to explicitly initialise the kms_swrast driver
2263 * rather than selecting the approapriate driver as suggested by the loader.
2264 */
2265 const struct __DriverAPIRec dri_kms_driver_api = {
2266 .InitScreen = dri_kms_init_screen,
2267 .DestroyScreen = dri_destroy_screen,
2268 .CreateContext = dri_create_context,
2269 .DestroyContext = dri_destroy_context,
2270 .CreateBuffer = dri2_create_buffer,
2271 .DestroyBuffer = dri_destroy_buffer,
2272 .MakeCurrent = dri_make_current,
2273 .UnbindContext = dri_unbind_context,
2274
2275 .AllocateBuffer = dri2_allocate_buffer,
2276 .ReleaseBuffer = dri2_release_buffer,
2277 };
2278
2279 /* This is the table of extensions that the loader will dlsym() for. */
2280 const __DRIextension *galliumdrm_driver_extensions[] = {
2281 &driCoreExtension.base,
2282 &driImageDriverExtension.base,
2283 &driDRI2Extension.base,
2284 &gallium_config_options.base,
2285 NULL
2286 };
2287
2288 /* vim: set sw=3 ts=8 sts=3 expandtab: */