bfbaa1bd84aa6b4d4d101494bc8dccb7ffef94af
[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
805 return img;
806 }
807
808 static __DRIimage *
809 dri2_create_image_from_name(__DRIscreen *_screen,
810 int width, int height, int format,
811 int name, int pitch, void *loaderPrivate)
812 {
813 const struct dri2_format_mapping *map = dri2_get_mapping_by_format(format);
814 struct winsys_handle whandle;
815 __DRIimage *img;
816
817 if (!map)
818 return NULL;
819
820 memset(&whandle, 0, sizeof(whandle));
821 whandle.type = WINSYS_HANDLE_TYPE_SHARED;
822 whandle.handle = name;
823 whandle.format = map->pipe_format;
824 whandle.modifier = DRM_FORMAT_MOD_INVALID;
825
826 whandle.stride = pitch * util_format_get_blocksize(map->pipe_format);
827
828 img = dri2_create_image_from_winsys(_screen, width, height, map,
829 1, &whandle, loaderPrivate);
830
831 if (!img)
832 return NULL;
833
834 img->dri_components = map->dri_components;
835 img->dri_fourcc = map->dri_fourcc;
836 img->dri_format = map->dri_format;
837
838 return img;
839 }
840
841 static unsigned
842 dri2_get_modifier_num_planes(uint64_t modifier, int fourcc)
843 {
844 const struct dri2_format_mapping *map = dri2_get_mapping_by_fourcc(fourcc);
845
846 if (!map)
847 return 0;
848
849 switch (modifier) {
850 case I915_FORMAT_MOD_Y_TILED_CCS:
851 return 2;
852 case DRM_FORMAT_MOD_BROADCOM_UIF:
853 case DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED:
854 case DRM_FORMAT_MOD_LINEAR:
855 /* DRM_FORMAT_MOD_NONE is the same as LINEAR */
856 case DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK_EIGHT_GOB:
857 case DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK_FOUR_GOB:
858 case DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK_ONE_GOB:
859 case DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK_SIXTEEN_GOB:
860 case DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK_THIRTYTWO_GOB:
861 case DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK_TWO_GOB:
862 case DRM_FORMAT_MOD_QCOM_COMPRESSED:
863 case DRM_FORMAT_MOD_VIVANTE_SPLIT_SUPER_TILED:
864 case DRM_FORMAT_MOD_VIVANTE_SPLIT_TILED:
865 case DRM_FORMAT_MOD_VIVANTE_SUPER_TILED:
866 case DRM_FORMAT_MOD_VIVANTE_TILED:
867 /* FD_FORMAT_MOD_QCOM_TILED is not in drm_fourcc.h */
868 case I915_FORMAT_MOD_X_TILED:
869 case I915_FORMAT_MOD_Y_TILED:
870 case DRM_FORMAT_MOD_INVALID:
871 return map->nplanes;
872 default:
873 return 0;
874 }
875 }
876
877 static __DRIimage *
878 dri2_create_image_from_fd(__DRIscreen *_screen,
879 int width, int height, int fourcc,
880 uint64_t modifier, int *fds, int num_fds,
881 int *strides, int *offsets, unsigned *error,
882 void *loaderPrivate)
883 {
884 struct winsys_handle whandles[3];
885 const struct dri2_format_mapping *map = dri2_get_mapping_by_fourcc(fourcc);
886 __DRIimage *img = NULL;
887 unsigned err = __DRI_IMAGE_ERROR_SUCCESS;
888 int i, expected_num_fds;
889 int num_handles = dri2_get_modifier_num_planes(modifier, fourcc);
890
891 if (!map || num_handles == 0) {
892 err = __DRI_IMAGE_ERROR_BAD_MATCH;
893 goto exit;
894 }
895
896 switch (fourcc) {
897 case DRM_FORMAT_YUYV:
898 case DRM_FORMAT_UYVY:
899 expected_num_fds = 1;
900 break;
901 default:
902 expected_num_fds = num_handles;
903 break;
904 }
905
906 if (num_fds != expected_num_fds) {
907 err = __DRI_IMAGE_ERROR_BAD_MATCH;
908 goto exit;
909 }
910
911 memset(whandles, 0, sizeof(whandles));
912
913 for (i = 0; i < num_fds; i++) {
914 if (fds[i] < 0) {
915 err = __DRI_IMAGE_ERROR_BAD_ALLOC;
916 goto exit;
917 }
918
919 whandles[i].type = WINSYS_HANDLE_TYPE_FD;
920 whandles[i].handle = (unsigned)fds[i];
921 whandles[i].stride = (unsigned)strides[i];
922 whandles[i].offset = (unsigned)offsets[i];
923 whandles[i].format = map->pipe_format;
924 whandles[i].modifier = modifier;
925 whandles[i].plane = i;
926 }
927
928 img = dri2_create_image_from_winsys(_screen, width, height, map,
929 num_fds, whandles, loaderPrivate);
930 if(img == NULL) {
931 err = __DRI_IMAGE_ERROR_BAD_ALLOC;
932 goto exit;
933 }
934
935 img->dri_components = map->dri_components;
936 img->dri_fourcc = fourcc;
937 img->dri_format = map->dri_format;
938 img->imported_dmabuf = TRUE;
939
940 exit:
941 if (error)
942 *error = err;
943
944 return img;
945 }
946
947 static __DRIimage *
948 dri2_create_image_common(__DRIscreen *_screen,
949 int width, int height,
950 int format, unsigned int use,
951 const uint64_t *modifiers,
952 const unsigned count,
953 void *loaderPrivate)
954 {
955 const struct dri2_format_mapping *map = dri2_get_mapping_by_format(format);
956 struct dri_screen *screen = dri_screen(_screen);
957 __DRIimage *img;
958 struct pipe_resource templ;
959 unsigned tex_usage;
960
961 if (!map)
962 return NULL;
963
964 tex_usage = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
965
966 if (use & __DRI_IMAGE_USE_SCANOUT)
967 tex_usage |= PIPE_BIND_SCANOUT;
968 if (use & __DRI_IMAGE_USE_SHARE)
969 tex_usage |= PIPE_BIND_SHARED;
970 if (use & __DRI_IMAGE_USE_LINEAR)
971 tex_usage |= PIPE_BIND_LINEAR;
972 if (use & __DRI_IMAGE_USE_CURSOR) {
973 if (width != 64 || height != 64)
974 return NULL;
975 tex_usage |= PIPE_BIND_CURSOR;
976 }
977
978 img = CALLOC_STRUCT(__DRIimageRec);
979 if (!img)
980 return NULL;
981
982 memset(&templ, 0, sizeof(templ));
983 templ.bind = tex_usage;
984 templ.format = map->pipe_format;
985 templ.target = PIPE_TEXTURE_2D;
986 templ.last_level = 0;
987 templ.width0 = width;
988 templ.height0 = height;
989 templ.depth0 = 1;
990 templ.array_size = 1;
991
992 if (modifiers)
993 img->texture =
994 screen->base.screen
995 ->resource_create_with_modifiers(screen->base.screen,
996 &templ,
997 modifiers,
998 count);
999 else
1000 img->texture =
1001 screen->base.screen->resource_create(screen->base.screen, &templ);
1002 if (!img->texture) {
1003 FREE(img);
1004 return NULL;
1005 }
1006
1007 img->level = 0;
1008 img->layer = 0;
1009 img->dri_format = format;
1010 img->dri_fourcc = map->dri_fourcc;
1011 img->dri_components = 0;
1012 img->use = use;
1013
1014 img->loader_private = loaderPrivate;
1015 return img;
1016 }
1017
1018 static __DRIimage *
1019 dri2_create_image(__DRIscreen *_screen,
1020 int width, int height, int format,
1021 unsigned int use, void *loaderPrivate)
1022 {
1023 return dri2_create_image_common(_screen, width, height, format, use,
1024 NULL /* modifiers */, 0 /* count */,
1025 loaderPrivate);
1026 }
1027
1028 static __DRIimage *
1029 dri2_create_image_with_modifiers(__DRIscreen *dri_screen,
1030 int width, int height, int format,
1031 const uint64_t *modifiers,
1032 const unsigned count,
1033 void *loaderPrivate)
1034 {
1035 return dri2_create_image_common(dri_screen, width, height, format,
1036 __DRI_IMAGE_USE_SHARE, modifiers, count,
1037 loaderPrivate);
1038 }
1039
1040 static bool
1041 dri2_query_image_common(__DRIimage *image, int attrib, int *value)
1042 {
1043 switch (attrib) {
1044 case __DRI_IMAGE_ATTRIB_FORMAT:
1045 *value = image->dri_format;
1046 return true;
1047 case __DRI_IMAGE_ATTRIB_WIDTH:
1048 *value = image->texture->width0;
1049 return true;
1050 case __DRI_IMAGE_ATTRIB_HEIGHT:
1051 *value = image->texture->height0;
1052 return true;
1053 case __DRI_IMAGE_ATTRIB_COMPONENTS:
1054 if (image->dri_components == 0)
1055 return false;
1056 *value = image->dri_components;
1057 return true;
1058 case __DRI_IMAGE_ATTRIB_FOURCC:
1059 if (image->dri_fourcc) {
1060 *value = image->dri_fourcc;
1061 } else {
1062 const struct dri2_format_mapping *map;
1063
1064 map = dri2_get_mapping_by_format(image->dri_format);
1065 if (!map)
1066 return false;
1067
1068 *value = map->dri_fourcc;
1069 }
1070 return true;
1071 default:
1072 return false;
1073 }
1074 }
1075
1076 static bool
1077 dri2_query_image_by_resource_handle(__DRIimage *image, int attrib, int *value)
1078 {
1079 struct pipe_screen *pscreen = image->texture->screen;
1080 struct winsys_handle whandle;
1081 unsigned usage;
1082 memset(&whandle, 0, sizeof(whandle));
1083 whandle.plane = image->plane;
1084
1085 switch (attrib) {
1086 case __DRI_IMAGE_ATTRIB_STRIDE:
1087 case __DRI_IMAGE_ATTRIB_OFFSET:
1088 case __DRI_IMAGE_ATTRIB_HANDLE:
1089 whandle.type = WINSYS_HANDLE_TYPE_KMS;
1090 break;
1091 case __DRI_IMAGE_ATTRIB_NAME:
1092 whandle.type = WINSYS_HANDLE_TYPE_SHARED;
1093 break;
1094 case __DRI_IMAGE_ATTRIB_FD:
1095 whandle.type = WINSYS_HANDLE_TYPE_FD;
1096 break;
1097 case __DRI_IMAGE_ATTRIB_NUM_PLANES:
1098 *value = 1;
1099 return true;
1100 case __DRI_IMAGE_ATTRIB_MODIFIER_UPPER:
1101 case __DRI_IMAGE_ATTRIB_MODIFIER_LOWER:
1102 whandle.type = WINSYS_HANDLE_TYPE_KMS;
1103 whandle.modifier = DRM_FORMAT_MOD_INVALID;
1104 break;
1105 default:
1106 return false;
1107 }
1108
1109 usage = PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE;
1110
1111 if (image->use & __DRI_IMAGE_USE_BACKBUFFER)
1112 usage |= PIPE_HANDLE_USAGE_EXPLICIT_FLUSH;
1113
1114 if (!pscreen->resource_get_handle(pscreen, NULL, image->texture,
1115 &whandle, usage))
1116 return false;
1117
1118 switch (attrib) {
1119 case __DRI_IMAGE_ATTRIB_STRIDE:
1120 *value = whandle.stride;
1121 return true;
1122 case __DRI_IMAGE_ATTRIB_OFFSET:
1123 *value = whandle.offset;
1124 return true;
1125 case __DRI_IMAGE_ATTRIB_HANDLE:
1126 case __DRI_IMAGE_ATTRIB_NAME:
1127 case __DRI_IMAGE_ATTRIB_FD:
1128 *value = whandle.handle;
1129 return true;
1130 case __DRI_IMAGE_ATTRIB_MODIFIER_UPPER:
1131 if (whandle.modifier == DRM_FORMAT_MOD_INVALID)
1132 return false;
1133 *value = (whandle.modifier >> 32) & 0xffffffff;
1134 return true;
1135 case __DRI_IMAGE_ATTRIB_MODIFIER_LOWER:
1136 if (whandle.modifier == DRM_FORMAT_MOD_INVALID)
1137 return false;
1138 *value = whandle.modifier & 0xffffffff;
1139 return true;
1140 default:
1141 return false;
1142 }
1143 }
1144
1145 static bool
1146 dri2_resource_get_param(__DRIimage *image, enum pipe_resource_param param,
1147 unsigned handle_usage, uint64_t *value)
1148 {
1149 struct pipe_screen *pscreen = image->texture->screen;
1150 if (!pscreen->resource_get_param)
1151 return false;
1152
1153 return pscreen->resource_get_param(pscreen, NULL, image->texture,
1154 image->plane, 0, param, handle_usage,
1155 value);
1156 }
1157
1158 static bool
1159 dri2_query_image_by_resource_param(__DRIimage *image, int attrib, int *value)
1160 {
1161 enum pipe_resource_param param;
1162 uint64_t res_param;
1163 unsigned handle_usage;
1164
1165 if (!image->texture->screen->resource_get_param)
1166 return false;
1167
1168 switch (attrib) {
1169 case __DRI_IMAGE_ATTRIB_STRIDE:
1170 param = PIPE_RESOURCE_PARAM_STRIDE;
1171 break;
1172 case __DRI_IMAGE_ATTRIB_OFFSET:
1173 param = PIPE_RESOURCE_PARAM_OFFSET;
1174 break;
1175 case __DRI_IMAGE_ATTRIB_NUM_PLANES:
1176 param = PIPE_RESOURCE_PARAM_NPLANES;
1177 break;
1178 case __DRI_IMAGE_ATTRIB_MODIFIER_UPPER:
1179 case __DRI_IMAGE_ATTRIB_MODIFIER_LOWER:
1180 param = PIPE_RESOURCE_PARAM_MODIFIER;
1181 break;
1182 case __DRI_IMAGE_ATTRIB_HANDLE:
1183 param = PIPE_RESOURCE_PARAM_HANDLE_TYPE_KMS;
1184 break;
1185 case __DRI_IMAGE_ATTRIB_NAME:
1186 param = PIPE_RESOURCE_PARAM_HANDLE_TYPE_SHARED;
1187 break;
1188 case __DRI_IMAGE_ATTRIB_FD:
1189 param = PIPE_RESOURCE_PARAM_HANDLE_TYPE_FD;
1190 break;
1191 default:
1192 return false;
1193 }
1194
1195 handle_usage = PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE;
1196
1197 if (image->use & __DRI_IMAGE_USE_BACKBUFFER)
1198 handle_usage |= PIPE_HANDLE_USAGE_EXPLICIT_FLUSH;
1199
1200 if (!dri2_resource_get_param(image, param, handle_usage, &res_param))
1201 return false;
1202
1203 switch (attrib) {
1204 case __DRI_IMAGE_ATTRIB_STRIDE:
1205 case __DRI_IMAGE_ATTRIB_OFFSET:
1206 case __DRI_IMAGE_ATTRIB_NUM_PLANES:
1207 if (res_param > INT_MAX)
1208 return false;
1209 *value = (int)res_param;
1210 return true;
1211 case __DRI_IMAGE_ATTRIB_HANDLE:
1212 case __DRI_IMAGE_ATTRIB_NAME:
1213 case __DRI_IMAGE_ATTRIB_FD:
1214 if (res_param > UINT_MAX)
1215 return false;
1216 *value = (int)res_param;
1217 return true;
1218 case __DRI_IMAGE_ATTRIB_MODIFIER_UPPER:
1219 if (res_param == DRM_FORMAT_MOD_INVALID)
1220 return false;
1221 *value = (res_param >> 32) & 0xffffffff;
1222 return true;
1223 case __DRI_IMAGE_ATTRIB_MODIFIER_LOWER:
1224 if (res_param == DRM_FORMAT_MOD_INVALID)
1225 return false;
1226 *value = res_param & 0xffffffff;
1227 return true;
1228 default:
1229 return false;
1230 }
1231 }
1232
1233 static GLboolean
1234 dri2_query_image(__DRIimage *image, int attrib, int *value)
1235 {
1236 if (dri2_query_image_common(image, attrib, value))
1237 return GL_TRUE;
1238 else if (dri2_query_image_by_resource_param(image, attrib, value))
1239 return GL_TRUE;
1240 else if (dri2_query_image_by_resource_handle(image, attrib, value))
1241 return GL_TRUE;
1242 else
1243 return GL_FALSE;
1244 }
1245
1246 static __DRIimage *
1247 dri2_dup_image(__DRIimage *image, void *loaderPrivate)
1248 {
1249 __DRIimage *img;
1250
1251 img = CALLOC_STRUCT(__DRIimageRec);
1252 if (!img)
1253 return NULL;
1254
1255 img->texture = NULL;
1256 pipe_resource_reference(&img->texture, image->texture);
1257 img->level = image->level;
1258 img->layer = image->layer;
1259 img->dri_format = image->dri_format;
1260 /* This should be 0 for sub images, but dup is also used for base images. */
1261 img->dri_components = image->dri_components;
1262 img->loader_private = loaderPrivate;
1263
1264 return img;
1265 }
1266
1267 static GLboolean
1268 dri2_validate_usage(__DRIimage *image, unsigned int use)
1269 {
1270 if (!image || !image->texture)
1271 return false;
1272
1273 struct pipe_screen *screen = image->texture->screen;
1274 if (!screen->check_resource_capability)
1275 return true;
1276
1277 /* We don't want to check these:
1278 * __DRI_IMAGE_USE_SHARE (all images are shareable)
1279 * __DRI_IMAGE_USE_BACKBUFFER (all images support this)
1280 */
1281 unsigned bind = 0;
1282 if (use & __DRI_IMAGE_USE_SCANOUT)
1283 bind |= PIPE_BIND_SCANOUT;
1284 if (use & __DRI_IMAGE_USE_LINEAR)
1285 bind |= PIPE_BIND_LINEAR;
1286 if (use & __DRI_IMAGE_USE_CURSOR)
1287 bind |= PIPE_BIND_CURSOR;
1288
1289 if (!bind)
1290 return true;
1291
1292 return screen->check_resource_capability(screen, image->texture, bind);
1293 }
1294
1295 static __DRIimage *
1296 dri2_from_names(__DRIscreen *screen, int width, int height, int format,
1297 int *names, int num_names, int *strides, int *offsets,
1298 void *loaderPrivate)
1299 {
1300 const struct dri2_format_mapping *map = dri2_get_mapping_by_format(format);
1301 __DRIimage *img;
1302 struct winsys_handle whandle;
1303
1304 if (!map)
1305 return NULL;
1306
1307 if (num_names != 1)
1308 return NULL;
1309
1310 memset(&whandle, 0, sizeof(whandle));
1311 whandle.type = WINSYS_HANDLE_TYPE_SHARED;
1312 whandle.handle = names[0];
1313 whandle.stride = strides[0];
1314 whandle.offset = offsets[0];
1315 whandle.format = map->pipe_format;
1316 whandle.modifier = DRM_FORMAT_MOD_INVALID;
1317
1318 img = dri2_create_image_from_winsys(screen, width, height, map,
1319 1, &whandle, loaderPrivate);
1320 if (img == NULL)
1321 return NULL;
1322
1323 img->dri_components = map->dri_components;
1324 img->dri_fourcc = map->dri_fourcc;
1325 img->dri_format = map->pipe_format;
1326
1327 return img;
1328 }
1329
1330 static __DRIimage *
1331 dri2_from_planar(__DRIimage *image, int plane, void *loaderPrivate)
1332 {
1333 __DRIimage *img;
1334
1335 if (plane < 0) {
1336 return NULL;
1337 } else if (plane > 0) {
1338 uint64_t planes;
1339 if (!dri2_resource_get_param(image, PIPE_RESOURCE_PARAM_NPLANES, 0,
1340 &planes) ||
1341 plane >= planes) {
1342 return NULL;
1343 }
1344 }
1345
1346 if (image->dri_components == 0) {
1347 uint64_t modifier;
1348 if (!dri2_resource_get_param(image, PIPE_RESOURCE_PARAM_MODIFIER, 0,
1349 &modifier) ||
1350 modifier == DRM_FORMAT_MOD_INVALID) {
1351 return NULL;
1352 }
1353 }
1354
1355 img = dri2_dup_image(image, loaderPrivate);
1356 if (img == NULL)
1357 return NULL;
1358
1359 if (img->texture->screen->resource_changed)
1360 img->texture->screen->resource_changed(img->texture->screen,
1361 img->texture);
1362
1363 /* set this to 0 for sub images. */
1364 img->dri_components = 0;
1365 img->plane = plane;
1366 return img;
1367 }
1368
1369 static __DRIimage *
1370 dri2_from_fds(__DRIscreen *screen, int width, int height, int fourcc,
1371 int *fds, int num_fds, int *strides, int *offsets,
1372 void *loaderPrivate)
1373 {
1374 return dri2_create_image_from_fd(screen, width, height, fourcc,
1375 DRM_FORMAT_MOD_INVALID, fds, num_fds,
1376 strides, offsets, NULL, loaderPrivate);
1377 }
1378
1379 static boolean
1380 dri2_query_dma_buf_modifiers(__DRIscreen *_screen, int fourcc, int max,
1381 uint64_t *modifiers, unsigned int *external_only,
1382 int *count)
1383 {
1384 struct dri_screen *screen = dri_screen(_screen);
1385 struct pipe_screen *pscreen = screen->base.screen;
1386 const struct dri2_format_mapping *map = dri2_get_mapping_by_fourcc(fourcc);
1387 enum pipe_format format;
1388
1389 if (!map)
1390 return false;
1391
1392 format = map->pipe_format;
1393
1394 if (pscreen->is_format_supported(pscreen, format, screen->target, 0, 0,
1395 PIPE_BIND_RENDER_TARGET) ||
1396 pscreen->is_format_supported(pscreen, format, screen->target, 0, 0,
1397 PIPE_BIND_SAMPLER_VIEW) ||
1398 dri2_yuv_dma_buf_supported(screen, map)) {
1399 if (pscreen->query_dmabuf_modifiers != NULL)
1400 pscreen->query_dmabuf_modifiers(pscreen, format, max, modifiers,
1401 external_only, count);
1402 else
1403 *count = 0;
1404 return true;
1405 }
1406 return false;
1407 }
1408
1409 static boolean
1410 dri2_query_dma_buf_format_modifier_attribs(__DRIscreen *_screen,
1411 uint32_t fourcc, uint64_t modifier,
1412 int attrib, uint64_t *value)
1413 {
1414 struct dri_screen *screen = dri_screen(_screen);
1415 struct pipe_screen *pscreen = screen->base.screen;
1416
1417 if (!pscreen->query_dmabuf_modifiers)
1418 return false;
1419
1420 switch (attrib) {
1421 case __DRI_IMAGE_FORMAT_MODIFIER_ATTRIB_PLANE_COUNT: {
1422 uint64_t mod_planes = dri2_get_modifier_num_planes(modifier, fourcc);
1423 if (mod_planes > 0)
1424 *value = mod_planes;
1425 return mod_planes > 0;
1426 }
1427 default:
1428 return false;
1429 }
1430 }
1431
1432 static __DRIimage *
1433 dri2_from_dma_bufs(__DRIscreen *screen,
1434 int width, int height, int fourcc,
1435 int *fds, int num_fds,
1436 int *strides, int *offsets,
1437 enum __DRIYUVColorSpace yuv_color_space,
1438 enum __DRISampleRange sample_range,
1439 enum __DRIChromaSiting horizontal_siting,
1440 enum __DRIChromaSiting vertical_siting,
1441 unsigned *error,
1442 void *loaderPrivate)
1443 {
1444 __DRIimage *img;
1445
1446 img = dri2_create_image_from_fd(screen, width, height, fourcc,
1447 DRM_FORMAT_MOD_INVALID, fds, num_fds,
1448 strides, offsets, error, loaderPrivate);
1449 if (img == NULL)
1450 return NULL;
1451
1452 img->yuv_color_space = yuv_color_space;
1453 img->sample_range = sample_range;
1454 img->horizontal_siting = horizontal_siting;
1455 img->vertical_siting = vertical_siting;
1456
1457 *error = __DRI_IMAGE_ERROR_SUCCESS;
1458 return img;
1459 }
1460
1461 static __DRIimage *
1462 dri2_from_dma_bufs2(__DRIscreen *screen,
1463 int width, int height, int fourcc,
1464 uint64_t modifier, int *fds, int num_fds,
1465 int *strides, int *offsets,
1466 enum __DRIYUVColorSpace yuv_color_space,
1467 enum __DRISampleRange sample_range,
1468 enum __DRIChromaSiting horizontal_siting,
1469 enum __DRIChromaSiting vertical_siting,
1470 unsigned *error,
1471 void *loaderPrivate)
1472 {
1473 __DRIimage *img;
1474
1475 img = dri2_create_image_from_fd(screen, width, height, fourcc,
1476 modifier, fds, num_fds, strides, offsets,
1477 error, loaderPrivate);
1478 if (img == NULL)
1479 return NULL;
1480
1481 img->yuv_color_space = yuv_color_space;
1482 img->sample_range = sample_range;
1483 img->horizontal_siting = horizontal_siting;
1484 img->vertical_siting = vertical_siting;
1485
1486 *error = __DRI_IMAGE_ERROR_SUCCESS;
1487 return img;
1488 }
1489
1490 static void
1491 dri2_blit_image(__DRIcontext *context, __DRIimage *dst, __DRIimage *src,
1492 int dstx0, int dsty0, int dstwidth, int dstheight,
1493 int srcx0, int srcy0, int srcwidth, int srcheight,
1494 int flush_flag)
1495 {
1496 struct dri_context *ctx = dri_context(context);
1497 struct pipe_context *pipe = ctx->st->pipe;
1498 struct pipe_screen *screen;
1499 struct pipe_fence_handle *fence;
1500 struct pipe_blit_info blit;
1501
1502 if (!dst || !src)
1503 return;
1504
1505 memset(&blit, 0, sizeof(blit));
1506 blit.dst.resource = dst->texture;
1507 blit.dst.box.x = dstx0;
1508 blit.dst.box.y = dsty0;
1509 blit.dst.box.width = dstwidth;
1510 blit.dst.box.height = dstheight;
1511 blit.dst.box.depth = 1;
1512 blit.dst.format = dst->texture->format;
1513 blit.src.resource = src->texture;
1514 blit.src.box.x = srcx0;
1515 blit.src.box.y = srcy0;
1516 blit.src.box.width = srcwidth;
1517 blit.src.box.height = srcheight;
1518 blit.src.box.depth = 1;
1519 blit.src.format = src->texture->format;
1520 blit.mask = PIPE_MASK_RGBA;
1521 blit.filter = PIPE_TEX_FILTER_NEAREST;
1522
1523 pipe->blit(pipe, &blit);
1524
1525 if (flush_flag == __BLIT_FLAG_FLUSH) {
1526 pipe->flush_resource(pipe, dst->texture);
1527 ctx->st->flush(ctx->st, 0, NULL, NULL, NULL);
1528 } else if (flush_flag == __BLIT_FLAG_FINISH) {
1529 screen = dri_screen(ctx->sPriv)->base.screen;
1530 pipe->flush_resource(pipe, dst->texture);
1531 ctx->st->flush(ctx->st, 0, &fence, NULL, NULL);
1532 (void) screen->fence_finish(screen, NULL, fence, PIPE_TIMEOUT_INFINITE);
1533 screen->fence_reference(screen, &fence, NULL);
1534 }
1535 }
1536
1537 static void *
1538 dri2_map_image(__DRIcontext *context, __DRIimage *image,
1539 int x0, int y0, int width, int height,
1540 unsigned int flags, int *stride, void **data)
1541 {
1542 struct dri_context *ctx = dri_context(context);
1543 struct pipe_context *pipe = ctx->st->pipe;
1544 enum pipe_transfer_usage pipe_access = 0;
1545 struct pipe_transfer *trans;
1546 void *map;
1547
1548 if (!image || !data || *data)
1549 return NULL;
1550
1551 if (flags & __DRI_IMAGE_TRANSFER_READ)
1552 pipe_access |= PIPE_TRANSFER_READ;
1553 if (flags & __DRI_IMAGE_TRANSFER_WRITE)
1554 pipe_access |= PIPE_TRANSFER_WRITE;
1555
1556 map = pipe_transfer_map(pipe, image->texture,
1557 0, 0, pipe_access, x0, y0, width, height,
1558 &trans);
1559 if (map) {
1560 *data = trans;
1561 *stride = trans->stride;
1562 }
1563
1564 return map;
1565 }
1566
1567 static void
1568 dri2_unmap_image(__DRIcontext *context, __DRIimage *image, void *data)
1569 {
1570 struct dri_context *ctx = dri_context(context);
1571 struct pipe_context *pipe = ctx->st->pipe;
1572
1573 pipe_transfer_unmap(pipe, (struct pipe_transfer *)data);
1574 }
1575
1576 static int
1577 dri2_get_capabilities(__DRIscreen *_screen)
1578 {
1579 struct dri_screen *screen = dri_screen(_screen);
1580
1581 return (screen->can_share_buffer ? __DRI_IMAGE_CAP_GLOBAL_NAMES : 0);
1582 }
1583
1584 /* The extension is modified during runtime if DRI_PRIME is detected */
1585 static __DRIimageExtension dri2ImageExtension = {
1586 .base = { __DRI_IMAGE, 17 },
1587
1588 .createImageFromName = dri2_create_image_from_name,
1589 .createImageFromRenderbuffer = dri2_create_image_from_renderbuffer,
1590 .destroyImage = dri2_destroy_image,
1591 .createImage = dri2_create_image,
1592 .queryImage = dri2_query_image,
1593 .dupImage = dri2_dup_image,
1594 .validateUsage = dri2_validate_usage,
1595 .createImageFromNames = dri2_from_names,
1596 .fromPlanar = dri2_from_planar,
1597 .createImageFromTexture = dri2_create_from_texture,
1598 .createImageFromFds = NULL,
1599 .createImageFromDmaBufs = NULL,
1600 .blitImage = dri2_blit_image,
1601 .getCapabilities = dri2_get_capabilities,
1602 .mapImage = dri2_map_image,
1603 .unmapImage = dri2_unmap_image,
1604 .createImageWithModifiers = NULL,
1605 .createImageFromDmaBufs2 = NULL,
1606 .queryDmaBufFormats = NULL,
1607 .queryDmaBufModifiers = NULL,
1608 .queryDmaBufFormatModifierAttribs = NULL,
1609 .createImageFromRenderbuffer2 = dri2_create_image_from_renderbuffer2,
1610 };
1611
1612 static const __DRIrobustnessExtension dri2Robustness = {
1613 .base = { __DRI2_ROBUSTNESS, 1 }
1614 };
1615
1616 static int
1617 dri2_interop_query_device_info(__DRIcontext *_ctx,
1618 struct mesa_glinterop_device_info *out)
1619 {
1620 struct pipe_screen *screen = dri_context(_ctx)->st->pipe->screen;
1621
1622 /* There is no version 0, thus we do not support it */
1623 if (out->version == 0)
1624 return MESA_GLINTEROP_INVALID_VERSION;
1625
1626 out->pci_segment_group = screen->get_param(screen, PIPE_CAP_PCI_GROUP);
1627 out->pci_bus = screen->get_param(screen, PIPE_CAP_PCI_BUS);
1628 out->pci_device = screen->get_param(screen, PIPE_CAP_PCI_DEVICE);
1629 out->pci_function = screen->get_param(screen, PIPE_CAP_PCI_FUNCTION);
1630
1631 out->vendor_id = screen->get_param(screen, PIPE_CAP_VENDOR_ID);
1632 out->device_id = screen->get_param(screen, PIPE_CAP_DEVICE_ID);
1633
1634 /* Instruct the caller that we support up-to version one of the interface */
1635 out->version = 1;
1636
1637 return MESA_GLINTEROP_SUCCESS;
1638 }
1639
1640 static int
1641 dri2_interop_export_object(__DRIcontext *_ctx,
1642 struct mesa_glinterop_export_in *in,
1643 struct mesa_glinterop_export_out *out)
1644 {
1645 struct st_context_iface *st = dri_context(_ctx)->st;
1646 struct pipe_screen *screen = st->pipe->screen;
1647 struct gl_context *ctx = ((struct st_context *)st)->ctx;
1648 struct pipe_resource *res = NULL;
1649 struct winsys_handle whandle;
1650 unsigned target, usage;
1651 boolean success;
1652
1653 /* There is no version 0, thus we do not support it */
1654 if (in->version == 0 || out->version == 0)
1655 return MESA_GLINTEROP_INVALID_VERSION;
1656
1657 /* Validate the target. */
1658 switch (in->target) {
1659 case GL_TEXTURE_BUFFER:
1660 case GL_TEXTURE_1D:
1661 case GL_TEXTURE_2D:
1662 case GL_TEXTURE_3D:
1663 case GL_TEXTURE_RECTANGLE:
1664 case GL_TEXTURE_1D_ARRAY:
1665 case GL_TEXTURE_2D_ARRAY:
1666 case GL_TEXTURE_CUBE_MAP_ARRAY:
1667 case GL_TEXTURE_CUBE_MAP:
1668 case GL_TEXTURE_2D_MULTISAMPLE:
1669 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
1670 case GL_TEXTURE_EXTERNAL_OES:
1671 case GL_RENDERBUFFER:
1672 case GL_ARRAY_BUFFER:
1673 target = in->target;
1674 break;
1675 case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
1676 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
1677 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
1678 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
1679 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
1680 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
1681 target = GL_TEXTURE_CUBE_MAP;
1682 break;
1683 default:
1684 return MESA_GLINTEROP_INVALID_TARGET;
1685 }
1686
1687 /* Validate the simple case of miplevel. */
1688 if ((target == GL_RENDERBUFFER || target == GL_ARRAY_BUFFER) &&
1689 in->miplevel != 0)
1690 return MESA_GLINTEROP_INVALID_MIP_LEVEL;
1691
1692 /* Validate the OpenGL object and get pipe_resource. */
1693 simple_mtx_lock(&ctx->Shared->Mutex);
1694
1695 if (target == GL_ARRAY_BUFFER) {
1696 /* Buffer objects.
1697 *
1698 * The error checking is based on the documentation of
1699 * clCreateFromGLBuffer from OpenCL 2.0 SDK.
1700 */
1701 struct gl_buffer_object *buf = _mesa_lookup_bufferobj(ctx, in->obj);
1702
1703 /* From OpenCL 2.0 SDK, clCreateFromGLBuffer:
1704 * "CL_INVALID_GL_OBJECT if bufobj is not a GL buffer object or is
1705 * a GL buffer object but does not have an existing data store or
1706 * the size of the buffer is 0."
1707 */
1708 if (!buf || buf->Size == 0) {
1709 simple_mtx_unlock(&ctx->Shared->Mutex);
1710 return MESA_GLINTEROP_INVALID_OBJECT;
1711 }
1712
1713 res = st_buffer_object(buf)->buffer;
1714 if (!res) {
1715 /* this shouldn't happen */
1716 simple_mtx_unlock(&ctx->Shared->Mutex);
1717 return MESA_GLINTEROP_INVALID_OBJECT;
1718 }
1719
1720 out->buf_offset = 0;
1721 out->buf_size = buf->Size;
1722
1723 buf->UsageHistory |= USAGE_DISABLE_MINMAX_CACHE;
1724 } else if (target == GL_RENDERBUFFER) {
1725 /* Renderbuffers.
1726 *
1727 * The error checking is based on the documentation of
1728 * clCreateFromGLRenderbuffer from OpenCL 2.0 SDK.
1729 */
1730 struct gl_renderbuffer *rb = _mesa_lookup_renderbuffer(ctx, in->obj);
1731
1732 /* From OpenCL 2.0 SDK, clCreateFromGLRenderbuffer:
1733 * "CL_INVALID_GL_OBJECT if renderbuffer is not a GL renderbuffer
1734 * object or if the width or height of renderbuffer is zero."
1735 */
1736 if (!rb || rb->Width == 0 || rb->Height == 0) {
1737 simple_mtx_unlock(&ctx->Shared->Mutex);
1738 return MESA_GLINTEROP_INVALID_OBJECT;
1739 }
1740
1741 /* From OpenCL 2.0 SDK, clCreateFromGLRenderbuffer:
1742 * "CL_INVALID_OPERATION if renderbuffer is a multi-sample GL
1743 * renderbuffer object."
1744 */
1745 if (rb->NumSamples > 1) {
1746 simple_mtx_unlock(&ctx->Shared->Mutex);
1747 return MESA_GLINTEROP_INVALID_OPERATION;
1748 }
1749
1750 /* From OpenCL 2.0 SDK, clCreateFromGLRenderbuffer:
1751 * "CL_OUT_OF_RESOURCES if there is a failure to allocate resources
1752 * required by the OpenCL implementation on the device."
1753 */
1754 res = st_renderbuffer(rb)->texture;
1755 if (!res) {
1756 simple_mtx_unlock(&ctx->Shared->Mutex);
1757 return MESA_GLINTEROP_OUT_OF_RESOURCES;
1758 }
1759
1760 out->internal_format = rb->InternalFormat;
1761 out->view_minlevel = 0;
1762 out->view_numlevels = 1;
1763 out->view_minlayer = 0;
1764 out->view_numlayers = 1;
1765 } else {
1766 /* Texture objects.
1767 *
1768 * The error checking is based on the documentation of
1769 * clCreateFromGLTexture from OpenCL 2.0 SDK.
1770 */
1771 struct gl_texture_object *obj = _mesa_lookup_texture(ctx, in->obj);
1772
1773 if (obj)
1774 _mesa_test_texobj_completeness(ctx, obj);
1775
1776 /* From OpenCL 2.0 SDK, clCreateFromGLTexture:
1777 * "CL_INVALID_GL_OBJECT if texture is not a GL texture object whose
1778 * type matches texture_target, if the specified miplevel of texture
1779 * is not defined, or if the width or height of the specified
1780 * miplevel is zero or if the GL texture object is incomplete."
1781 */
1782 if (!obj ||
1783 obj->Target != target ||
1784 !obj->_BaseComplete ||
1785 (in->miplevel > 0 && !obj->_MipmapComplete)) {
1786 simple_mtx_unlock(&ctx->Shared->Mutex);
1787 return MESA_GLINTEROP_INVALID_OBJECT;
1788 }
1789
1790 if (target == GL_TEXTURE_BUFFER) {
1791 struct st_buffer_object *stBuf =
1792 st_buffer_object(obj->BufferObject);
1793
1794 if (!stBuf || !stBuf->buffer) {
1795 /* this shouldn't happen */
1796 simple_mtx_unlock(&ctx->Shared->Mutex);
1797 return MESA_GLINTEROP_INVALID_OBJECT;
1798 }
1799 res = stBuf->buffer;
1800
1801 out->internal_format = obj->BufferObjectFormat;
1802 out->buf_offset = obj->BufferOffset;
1803 out->buf_size = obj->BufferSize == -1 ? obj->BufferObject->Size :
1804 obj->BufferSize;
1805
1806 obj->BufferObject->UsageHistory |= USAGE_DISABLE_MINMAX_CACHE;
1807 } else {
1808 /* From OpenCL 2.0 SDK, clCreateFromGLTexture:
1809 * "CL_INVALID_MIP_LEVEL if miplevel is less than the value of
1810 * levelbase (for OpenGL implementations) or zero (for OpenGL ES
1811 * implementations); or greater than the value of q (for both OpenGL
1812 * and OpenGL ES). levelbase and q are defined for the texture in
1813 * section 3.8.10 (Texture Completeness) of the OpenGL 2.1
1814 * specification and section 3.7.10 of the OpenGL ES 2.0."
1815 */
1816 if (in->miplevel < obj->BaseLevel || in->miplevel > obj->_MaxLevel) {
1817 simple_mtx_unlock(&ctx->Shared->Mutex);
1818 return MESA_GLINTEROP_INVALID_MIP_LEVEL;
1819 }
1820
1821 if (!st_finalize_texture(ctx, st->pipe, obj, 0)) {
1822 simple_mtx_unlock(&ctx->Shared->Mutex);
1823 return MESA_GLINTEROP_OUT_OF_RESOURCES;
1824 }
1825
1826 res = st_get_texobj_resource(obj);
1827 if (!res) {
1828 /* Incomplete texture buffer object? This shouldn't really occur. */
1829 simple_mtx_unlock(&ctx->Shared->Mutex);
1830 return MESA_GLINTEROP_INVALID_OBJECT;
1831 }
1832
1833 out->internal_format = obj->Image[0][0]->InternalFormat;
1834 out->view_minlevel = obj->MinLevel;
1835 out->view_numlevels = obj->NumLevels;
1836 out->view_minlayer = obj->MinLayer;
1837 out->view_numlayers = obj->NumLayers;
1838 }
1839 }
1840
1841 /* Get the handle. */
1842 switch (in->access) {
1843 case MESA_GLINTEROP_ACCESS_READ_ONLY:
1844 usage = 0;
1845 break;
1846 case MESA_GLINTEROP_ACCESS_READ_WRITE:
1847 case MESA_GLINTEROP_ACCESS_WRITE_ONLY:
1848 usage = PIPE_HANDLE_USAGE_SHADER_WRITE;
1849 break;
1850 default:
1851 usage = 0;
1852 }
1853
1854 memset(&whandle, 0, sizeof(whandle));
1855 whandle.type = WINSYS_HANDLE_TYPE_FD;
1856
1857 success = screen->resource_get_handle(screen, st->pipe, res, &whandle,
1858 usage);
1859 simple_mtx_unlock(&ctx->Shared->Mutex);
1860
1861 if (!success)
1862 return MESA_GLINTEROP_OUT_OF_HOST_MEMORY;
1863
1864 out->dmabuf_fd = whandle.handle;
1865 out->out_driver_data_written = 0;
1866
1867 if (res->target == PIPE_BUFFER)
1868 out->buf_offset += whandle.offset;
1869
1870 /* Instruct the caller that we support up-to version one of the interface */
1871 in->version = 1;
1872 out->version = 1;
1873
1874 return MESA_GLINTEROP_SUCCESS;
1875 }
1876
1877 static const __DRI2interopExtension dri2InteropExtension = {
1878 .base = { __DRI2_INTEROP, 1 },
1879 .query_device_info = dri2_interop_query_device_info,
1880 .export_object = dri2_interop_export_object
1881 };
1882
1883 /**
1884 * \brief the DRI2bufferDamageExtension set_damage_region method
1885 */
1886 static void
1887 dri2_set_damage_region(__DRIdrawable *dPriv, unsigned int nrects, int *rects)
1888 {
1889 struct dri_drawable *drawable = dri_drawable(dPriv);
1890 struct pipe_box *boxes = NULL;
1891
1892 if (nrects) {
1893 boxes = CALLOC(nrects, sizeof(*boxes));
1894 assert(boxes);
1895
1896 for (unsigned int i = 0; i < nrects; i++) {
1897 int *rect = &rects[i * 4];
1898
1899 u_box_2d(rect[0], rect[1], rect[2], rect[3], &boxes[i]);
1900 }
1901 }
1902
1903 FREE(drawable->damage_rects);
1904 drawable->damage_rects = boxes;
1905 drawable->num_damage_rects = nrects;
1906
1907 /* Only apply the damage region if the BACK_LEFT texture is up-to-date. */
1908 if (drawable->texture_stamp == drawable->dPriv->lastStamp &&
1909 (drawable->texture_mask & (1 << ST_ATTACHMENT_BACK_LEFT))) {
1910 struct pipe_screen *screen = drawable->screen->base.screen;
1911 struct pipe_resource *resource;
1912
1913 if (drawable->stvis.samples > 1)
1914 resource = drawable->msaa_textures[ST_ATTACHMENT_BACK_LEFT];
1915 else
1916 resource = drawable->textures[ST_ATTACHMENT_BACK_LEFT];
1917
1918 screen->set_damage_region(screen, resource,
1919 drawable->num_damage_rects,
1920 drawable->damage_rects);
1921 }
1922 }
1923
1924 static __DRI2bufferDamageExtension dri2BufferDamageExtension = {
1925 .base = { __DRI2_BUFFER_DAMAGE, 1 },
1926 };
1927
1928 /**
1929 * \brief the DRI2ConfigQueryExtension configQueryb method
1930 */
1931 static int
1932 dri2GalliumConfigQueryb(__DRIscreen *sPriv, const char *var,
1933 unsigned char *val)
1934 {
1935 struct dri_screen *screen = dri_screen(sPriv);
1936
1937 if (!driCheckOption(&screen->dev->option_cache, var, DRI_BOOL))
1938 return dri2ConfigQueryExtension.configQueryb(sPriv, var, val);
1939
1940 *val = driQueryOptionb(&screen->dev->option_cache, var);
1941
1942 return 0;
1943 }
1944
1945 /**
1946 * \brief the DRI2ConfigQueryExtension configQueryi method
1947 */
1948 static int
1949 dri2GalliumConfigQueryi(__DRIscreen *sPriv, const char *var, int *val)
1950 {
1951 struct dri_screen *screen = dri_screen(sPriv);
1952
1953 if (!driCheckOption(&screen->dev->option_cache, var, DRI_INT) &&
1954 !driCheckOption(&screen->dev->option_cache, var, DRI_ENUM))
1955 return dri2ConfigQueryExtension.configQueryi(sPriv, var, val);
1956
1957 *val = driQueryOptioni(&screen->dev->option_cache, var);
1958
1959 return 0;
1960 }
1961
1962 /**
1963 * \brief the DRI2ConfigQueryExtension configQueryf method
1964 */
1965 static int
1966 dri2GalliumConfigQueryf(__DRIscreen *sPriv, const char *var, float *val)
1967 {
1968 struct dri_screen *screen = dri_screen(sPriv);
1969
1970 if (!driCheckOption(&screen->dev->option_cache, var, DRI_FLOAT))
1971 return dri2ConfigQueryExtension.configQueryf(sPriv, var, val);
1972
1973 *val = driQueryOptionf(&screen->dev->option_cache, var);
1974
1975 return 0;
1976 }
1977
1978 /**
1979 * \brief the DRI2ConfigQueryExtension struct.
1980 *
1981 * We first query the driver option cache. Then the dri2 option cache.
1982 */
1983 static const __DRI2configQueryExtension dri2GalliumConfigQueryExtension = {
1984 .base = { __DRI2_CONFIG_QUERY, 1 },
1985
1986 .configQueryb = dri2GalliumConfigQueryb,
1987 .configQueryi = dri2GalliumConfigQueryi,
1988 .configQueryf = dri2GalliumConfigQueryf,
1989 };
1990
1991 /**
1992 * \brief the DRI2blobExtension set_cache_funcs method
1993 */
1994 static void
1995 set_blob_cache_funcs(__DRIscreen *sPriv, __DRIblobCacheSet set,
1996 __DRIblobCacheGet get)
1997 {
1998 struct dri_screen *screen = dri_screen(sPriv);
1999 struct pipe_screen *pscreen = screen->base.screen;
2000
2001 if (!pscreen->get_disk_shader_cache)
2002 return;
2003
2004 struct disk_cache *cache = pscreen->get_disk_shader_cache(pscreen);
2005
2006 if (!cache)
2007 return;
2008
2009 disk_cache_set_callbacks(cache, set, get);
2010 }
2011
2012 static const __DRI2blobExtension driBlobExtension = {
2013 .base = { __DRI2_BLOB, 1 },
2014 .set_cache_funcs = set_blob_cache_funcs
2015 };
2016
2017 /*
2018 * Backend function init_screen.
2019 */
2020
2021 static const __DRIextension *dri_screen_extensions[] = {
2022 &driTexBufferExtension.base,
2023 &dri2FlushExtension.base,
2024 &dri2ImageExtension.base,
2025 &dri2RendererQueryExtension.base,
2026 &dri2GalliumConfigQueryExtension.base,
2027 &dri2ThrottleExtension.base,
2028 &dri2FenceExtension.base,
2029 &dri2BufferDamageExtension.base,
2030 &dri2InteropExtension.base,
2031 &dri2NoErrorExtension.base,
2032 &driBlobExtension.base,
2033 NULL
2034 };
2035
2036 static const __DRIextension *dri_robust_screen_extensions[] = {
2037 &driTexBufferExtension.base,
2038 &dri2FlushExtension.base,
2039 &dri2ImageExtension.base,
2040 &dri2RendererQueryExtension.base,
2041 &dri2GalliumConfigQueryExtension.base,
2042 &dri2ThrottleExtension.base,
2043 &dri2FenceExtension.base,
2044 &dri2InteropExtension.base,
2045 &dri2BufferDamageExtension.base,
2046 &dri2Robustness.base,
2047 &dri2NoErrorExtension.base,
2048 &driBlobExtension.base,
2049 NULL
2050 };
2051
2052 /**
2053 * This is the driver specific part of the createNewScreen entry point.
2054 *
2055 * Returns the struct gl_config supported by this driver.
2056 */
2057 static const __DRIconfig **
2058 dri2_init_screen(__DRIscreen * sPriv)
2059 {
2060 const __DRIconfig **configs;
2061 struct dri_screen *screen;
2062 struct pipe_screen *pscreen = NULL;
2063
2064 screen = CALLOC_STRUCT(dri_screen);
2065 if (!screen)
2066 return NULL;
2067
2068 screen->sPriv = sPriv;
2069 screen->fd = sPriv->fd;
2070 (void) mtx_init(&screen->opencl_func_mutex, mtx_plain);
2071
2072 sPriv->driverPrivate = (void *)screen;
2073
2074 if (pipe_loader_drm_probe_fd(&screen->dev, screen->fd)) {
2075 dri_init_options(screen);
2076
2077 pscreen = pipe_loader_create_screen(screen->dev);
2078 }
2079
2080 if (!pscreen)
2081 goto release_pipe;
2082
2083 screen->throttle = pscreen->get_param(pscreen, PIPE_CAP_THROTTLE);
2084
2085 if (pscreen->resource_create_with_modifiers)
2086 dri2ImageExtension.createImageWithModifiers =
2087 dri2_create_image_with_modifiers;
2088
2089 if (pscreen->get_param(pscreen, PIPE_CAP_DMABUF)) {
2090 uint64_t cap;
2091
2092 if (drmGetCap(sPriv->fd, DRM_CAP_PRIME, &cap) == 0 &&
2093 (cap & DRM_PRIME_CAP_IMPORT)) {
2094 dri2ImageExtension.createImageFromFds = dri2_from_fds;
2095 dri2ImageExtension.createImageFromDmaBufs = dri2_from_dma_bufs;
2096 dri2ImageExtension.createImageFromDmaBufs2 = dri2_from_dma_bufs2;
2097 dri2ImageExtension.queryDmaBufFormats = dri2_query_dma_buf_formats;
2098 dri2ImageExtension.queryDmaBufModifiers =
2099 dri2_query_dma_buf_modifiers;
2100 dri2ImageExtension.queryDmaBufFormatModifierAttribs =
2101 dri2_query_dma_buf_format_modifier_attribs;
2102 }
2103 }
2104
2105 if (pscreen->set_damage_region)
2106 dri2BufferDamageExtension.set_damage_region = dri2_set_damage_region;
2107
2108 if (pscreen->get_param(pscreen, PIPE_CAP_DEVICE_RESET_STATUS_QUERY)) {
2109 sPriv->extensions = dri_robust_screen_extensions;
2110 screen->has_reset_status_query = true;
2111 }
2112 else
2113 sPriv->extensions = dri_screen_extensions;
2114
2115 configs = dri_init_screen_helper(screen, pscreen);
2116 if (!configs)
2117 goto destroy_screen;
2118
2119 screen->can_share_buffer = true;
2120 screen->auto_fake_front = dri_with_format(sPriv);
2121 screen->broken_invalidate = !sPriv->dri2.useInvalidate;
2122 screen->lookup_egl_image = dri2_lookup_egl_image;
2123
2124 return configs;
2125
2126 destroy_screen:
2127 dri_destroy_screen_helper(screen);
2128
2129 release_pipe:
2130 if (screen->dev)
2131 pipe_loader_release(&screen->dev, 1);
2132
2133 FREE(screen);
2134 return NULL;
2135 }
2136
2137 /**
2138 * This is the driver specific part of the createNewScreen entry point.
2139 *
2140 * Returns the struct gl_config supported by this driver.
2141 */
2142 static const __DRIconfig **
2143 dri_kms_init_screen(__DRIscreen * sPriv)
2144 {
2145 #if defined(GALLIUM_SOFTPIPE)
2146 const __DRIconfig **configs;
2147 struct dri_screen *screen;
2148 struct pipe_screen *pscreen = NULL;
2149 uint64_t cap;
2150
2151 screen = CALLOC_STRUCT(dri_screen);
2152 if (!screen)
2153 return NULL;
2154
2155 screen->sPriv = sPriv;
2156 screen->fd = sPriv->fd;
2157
2158 sPriv->driverPrivate = (void *)screen;
2159
2160 if (pipe_loader_sw_probe_kms(&screen->dev, screen->fd)) {
2161 dri_init_options(screen);
2162 pscreen = pipe_loader_create_screen(screen->dev);
2163 }
2164
2165 if (!pscreen)
2166 goto release_pipe;
2167
2168 if (pscreen->resource_create_with_modifiers)
2169 dri2ImageExtension.createImageWithModifiers =
2170 dri2_create_image_with_modifiers;
2171
2172 if (drmGetCap(sPriv->fd, DRM_CAP_PRIME, &cap) == 0 &&
2173 (cap & DRM_PRIME_CAP_IMPORT)) {
2174 dri2ImageExtension.createImageFromFds = dri2_from_fds;
2175 dri2ImageExtension.createImageFromDmaBufs = dri2_from_dma_bufs;
2176 dri2ImageExtension.createImageFromDmaBufs2 = dri2_from_dma_bufs2;
2177 dri2ImageExtension.queryDmaBufFormats = dri2_query_dma_buf_formats;
2178 dri2ImageExtension.queryDmaBufModifiers = dri2_query_dma_buf_modifiers;
2179 }
2180
2181 sPriv->extensions = dri_screen_extensions;
2182
2183 configs = dri_init_screen_helper(screen, pscreen);
2184 if (!configs)
2185 goto destroy_screen;
2186
2187 screen->can_share_buffer = false;
2188 screen->auto_fake_front = dri_with_format(sPriv);
2189 screen->broken_invalidate = !sPriv->dri2.useInvalidate;
2190 screen->lookup_egl_image = dri2_lookup_egl_image;
2191
2192 return configs;
2193
2194 destroy_screen:
2195 dri_destroy_screen_helper(screen);
2196
2197 release_pipe:
2198 if (screen->dev)
2199 pipe_loader_release(&screen->dev, 1);
2200
2201 FREE(screen);
2202 #endif // GALLIUM_SOFTPIPE
2203 return NULL;
2204 }
2205
2206 static boolean
2207 dri2_create_buffer(__DRIscreen * sPriv,
2208 __DRIdrawable * dPriv,
2209 const struct gl_config * visual, boolean isPixmap)
2210 {
2211 struct dri_drawable *drawable = NULL;
2212
2213 if (!dri_create_buffer(sPriv, dPriv, visual, isPixmap))
2214 return FALSE;
2215
2216 drawable = dPriv->driverPrivate;
2217
2218 drawable->allocate_textures = dri2_allocate_textures;
2219 drawable->flush_frontbuffer = dri2_flush_frontbuffer;
2220 drawable->update_tex_buffer = dri2_update_tex_buffer;
2221 drawable->flush_swapbuffers = dri2_flush_swapbuffers;
2222
2223 return TRUE;
2224 }
2225
2226 /**
2227 * DRI driver virtual function table.
2228 *
2229 * DRI versions differ in their implementation of init_screen and swap_buffers.
2230 */
2231 const struct __DriverAPIRec galliumdrm_driver_api = {
2232 .InitScreen = dri2_init_screen,
2233 .DestroyScreen = dri_destroy_screen,
2234 .CreateContext = dri_create_context,
2235 .DestroyContext = dri_destroy_context,
2236 .CreateBuffer = dri2_create_buffer,
2237 .DestroyBuffer = dri_destroy_buffer,
2238 .MakeCurrent = dri_make_current,
2239 .UnbindContext = dri_unbind_context,
2240
2241 .AllocateBuffer = dri2_allocate_buffer,
2242 .ReleaseBuffer = dri2_release_buffer,
2243 };
2244
2245 /**
2246 * DRI driver virtual function table.
2247 *
2248 * KMS/DRM version of the DriverAPI above sporting a different InitScreen
2249 * hook. The latter is used to explicitly initialise the kms_swrast driver
2250 * rather than selecting the approapriate driver as suggested by the loader.
2251 */
2252 const struct __DriverAPIRec dri_kms_driver_api = {
2253 .InitScreen = dri_kms_init_screen,
2254 .DestroyScreen = dri_destroy_screen,
2255 .CreateContext = dri_create_context,
2256 .DestroyContext = dri_destroy_context,
2257 .CreateBuffer = dri2_create_buffer,
2258 .DestroyBuffer = dri_destroy_buffer,
2259 .MakeCurrent = dri_make_current,
2260 .UnbindContext = dri_unbind_context,
2261
2262 .AllocateBuffer = dri2_allocate_buffer,
2263 .ReleaseBuffer = dri2_release_buffer,
2264 };
2265
2266 /* This is the table of extensions that the loader will dlsym() for. */
2267 const __DRIextension *galliumdrm_driver_extensions[] = {
2268 &driCoreExtension.base,
2269 &driImageDriverExtension.base,
2270 &driDRI2Extension.base,
2271 &gallium_config_options.base,
2272 NULL
2273 };
2274
2275 /* vim: set sw=3 ts=8 sts=3 expandtab: */