2 * Mesa 3-D graphics library
4 * Copyright (C) 2010-2011 Chia-I Wu <olvaffe@gmail.com>
5 * Copyright (C) 2010-2011 LunarG Inc.
7 * Based on platform_x11, which has
9 * Copyright © 2011 Intel Corporation
11 * Permission is hereby granted, free of charge, to any person obtaining a
12 * copy of this software and associated documentation files (the "Software"),
13 * to deal in the Software without restriction, including without limitation
14 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
15 * and/or sell copies of the Software, and to permit persons to whom the
16 * Software is furnished to do so, subject to the following conditions:
18 * The above copyright notice and this permission notice shall be included
19 * in all copies or substantial portions of the Software.
21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
22 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
24 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
25 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
26 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
27 * DEALINGS IN THE SOFTWARE.
30 #include <cutils/properties.h>
38 #include <sync/sync.h>
39 #include <sys/types.h>
40 #include <drm-uapi/drm_fourcc.h>
42 #include "util/os_file.h"
47 #ifdef HAVE_DRM_GRALLOC
48 #include <gralloc_drm_handle.h>
49 #include "gralloc_drm.h"
50 #endif /* HAVE_DRM_GRALLOC */
52 #define ALIGN(val, align) (((val) + (align) - 1) & ~((align) - 1))
59 struct droid_yuv_format
{
61 int native
; /* HAL_PIXEL_FORMAT_ */
62 enum chroma_order chroma_order
; /* chroma order is {Cb, Cr} or {Cr, Cb} */
63 int chroma_step
; /* Distance in bytes between subsequent chroma pixels. */
66 int fourcc
; /* DRM_FORMAT_ */
69 /* The following table is used to look up a DRI image FourCC based
70 * on native format and information contained in android_ycbcr struct. */
71 static const struct droid_yuv_format droid_yuv_formats
[] = {
72 /* Native format, YCrCb, Chroma step, DRI image FourCC */
73 { HAL_PIXEL_FORMAT_YCbCr_420_888
, YCbCr
, 2, DRM_FORMAT_NV12
},
74 { HAL_PIXEL_FORMAT_YCbCr_420_888
, YCbCr
, 1, DRM_FORMAT_YUV420
},
75 { HAL_PIXEL_FORMAT_YCbCr_420_888
, YCrCb
, 1, DRM_FORMAT_YVU420
},
76 { HAL_PIXEL_FORMAT_YV12
, YCrCb
, 1, DRM_FORMAT_YVU420
},
77 /* HACK: See droid_create_image_from_prime_fds() and
78 * https://issuetracker.google.com/32077885. */
79 { HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
, YCbCr
, 2, DRM_FORMAT_NV12
},
80 { HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
, YCbCr
, 1, DRM_FORMAT_YUV420
},
81 { HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
, YCrCb
, 1, DRM_FORMAT_YVU420
},
82 { HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
, YCrCb
, 1, DRM_FORMAT_AYUV
},
83 { HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
, YCrCb
, 1, DRM_FORMAT_XYUV8888
},
87 get_fourcc_yuv(int native
, enum chroma_order chroma_order
, int chroma_step
)
89 for (int i
= 0; i
< ARRAY_SIZE(droid_yuv_formats
); ++i
)
90 if (droid_yuv_formats
[i
].native
== native
&&
91 droid_yuv_formats
[i
].chroma_order
== chroma_order
&&
92 droid_yuv_formats
[i
].chroma_step
== chroma_step
)
93 return droid_yuv_formats
[i
].fourcc
;
101 for (int i
= 0; i
< ARRAY_SIZE(droid_yuv_formats
); ++i
)
102 if (droid_yuv_formats
[i
].native
== native
)
109 get_format_bpp(int native
)
114 case HAL_PIXEL_FORMAT_RGBA_FP16
:
117 case HAL_PIXEL_FORMAT_RGBA_8888
:
118 case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
:
120 * HACK: Hardcode this to RGBX_8888 as per cros_gralloc hack.
121 * TODO: Remove this once https://issuetracker.google.com/32077885 is fixed.
123 case HAL_PIXEL_FORMAT_RGBX_8888
:
124 case HAL_PIXEL_FORMAT_BGRA_8888
:
125 case HAL_PIXEL_FORMAT_RGBA_1010102
:
128 case HAL_PIXEL_FORMAT_RGB_565
:
139 /* createImageFromFds requires fourcc format */
140 static int get_fourcc(int native
)
143 case HAL_PIXEL_FORMAT_RGB_565
: return DRM_FORMAT_RGB565
;
144 case HAL_PIXEL_FORMAT_BGRA_8888
: return DRM_FORMAT_ARGB8888
;
145 case HAL_PIXEL_FORMAT_RGBA_8888
: return DRM_FORMAT_ABGR8888
;
146 case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
:
148 * HACK: Hardcode this to RGBX_8888 as per cros_gralloc hack.
149 * TODO: Remove this once https://issuetracker.google.com/32077885 is fixed.
151 case HAL_PIXEL_FORMAT_RGBX_8888
: return DRM_FORMAT_XBGR8888
;
152 case HAL_PIXEL_FORMAT_RGBA_FP16
: return DRM_FORMAT_ABGR16161616F
;
153 case HAL_PIXEL_FORMAT_RGBA_1010102
: return DRM_FORMAT_ABGR2101010
;
155 _eglLog(_EGL_WARNING
, "unsupported native buffer format 0x%x", native
);
160 /* returns # of fds, and by reference the actual fds */
162 get_native_buffer_fds(struct ANativeWindowBuffer
*buf
, int fds
[3])
164 native_handle_t
*handle
= (native_handle_t
*)buf
->handle
;
170 * Various gralloc implementations exist, but the dma-buf fd tends
171 * to be first. Access it directly to avoid a dependency on specific
174 for (int i
= 0; i
< handle
->numFds
; i
++)
175 fds
[i
] = handle
->data
[i
];
177 return handle
->numFds
;
180 #ifdef HAVE_DRM_GRALLOC
182 get_native_buffer_name(struct ANativeWindowBuffer
*buf
)
184 return gralloc_drm_get_gem_handle(buf
->handle
);
186 #endif /* HAVE_DRM_GRALLOC */
189 droid_create_image_from_prime_fds_yuv(_EGLDisplay
*disp
,
190 struct ANativeWindowBuffer
*buf
,
191 int num_fds
, int fds
[3])
193 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
194 struct android_ycbcr ycbcr
;
197 enum chroma_order chroma_order
;
202 if (!dri2_dpy
->gralloc
->lock_ycbcr
) {
203 _eglLog(_EGL_WARNING
, "Gralloc does not support lock_ycbcr");
207 memset(&ycbcr
, 0, sizeof(ycbcr
));
208 ret
= dri2_dpy
->gralloc
->lock_ycbcr(dri2_dpy
->gralloc
, buf
->handle
,
209 0, 0, 0, 0, 0, &ycbcr
);
211 /* HACK: See droid_create_image_from_prime_fds() and
212 * https://issuetracker.google.com/32077885.*/
213 if (buf
->format
== HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
)
216 _eglLog(_EGL_WARNING
, "gralloc->lock_ycbcr failed: %d", ret
);
219 dri2_dpy
->gralloc
->unlock(dri2_dpy
->gralloc
, buf
->handle
);
221 /* When lock_ycbcr's usage argument contains no SW_READ/WRITE flags
222 * it will return the .y/.cb/.cr pointers based on a NULL pointer,
223 * so they can be interpreted as offsets. */
224 offsets
[0] = (size_t)ycbcr
.y
;
225 /* We assume here that all the planes are located in one DMA-buf. */
226 if ((size_t)ycbcr
.cr
< (size_t)ycbcr
.cb
) {
227 chroma_order
= YCrCb
;
228 offsets
[1] = (size_t)ycbcr
.cr
;
229 offsets
[2] = (size_t)ycbcr
.cb
;
231 chroma_order
= YCbCr
;
232 offsets
[1] = (size_t)ycbcr
.cb
;
233 offsets
[2] = (size_t)ycbcr
.cr
;
236 /* .ystride is the line length (in bytes) of the Y plane,
237 * .cstride is the line length (in bytes) of any of the remaining
238 * Cb/Cr/CbCr planes, assumed to be the same for Cb and Cr for fully
240 pitches
[0] = ycbcr
.ystride
;
241 pitches
[1] = pitches
[2] = ycbcr
.cstride
;
243 /* .chroma_step is the byte distance between the same chroma channel
244 * values of subsequent pixels, assumed to be the same for Cb and Cr. */
245 fourcc
= get_fourcc_yuv(buf
->format
, chroma_order
, ycbcr
.chroma_step
);
247 _eglLog(_EGL_WARNING
, "unsupported YUV format, native = %x, chroma_order = %s, chroma_step = %d",
248 buf
->format
, chroma_order
== YCbCr
? "YCbCr" : "YCrCb", ycbcr
.chroma_step
);
253 * Since this is EGL_NATIVE_BUFFER_ANDROID don't assume that
254 * the single-fd case cannot happen. So handle eithe single
255 * fd or fd-per-plane case:
258 fds
[2] = fds
[1] = fds
[0];
260 int expected_planes
= (ycbcr
.chroma_step
== 2) ? 2 : 3;
261 assert(num_fds
== expected_planes
);
264 return dri2_dpy
->image
->createImageFromDmaBufs(dri2_dpy
->dri_screen
,
265 buf
->width
, buf
->height
, fourcc
,
266 fds
, num_fds
, pitches
, offsets
,
268 EGL_YUV_NARROW_RANGE_EXT
,
269 EGL_YUV_CHROMA_SITING_0_EXT
,
270 EGL_YUV_CHROMA_SITING_0_EXT
,
276 droid_create_image_from_prime_fds(_EGLDisplay
*disp
,
277 struct ANativeWindowBuffer
*buf
)
279 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
280 int pitches
[4] = { 0 }, offsets
[4] = { 0 };
285 num_fds
= get_native_buffer_fds(buf
, fds
);
289 if (is_yuv(buf
->format
)) {
292 image
= droid_create_image_from_prime_fds_yuv(disp
, buf
, num_fds
, fds
);
294 * HACK: https://issuetracker.google.com/32077885
295 * There is no API available to properly query the IMPLEMENTATION_DEFINED
296 * format. As a workaround we rely here on gralloc allocating either
297 * an arbitrary YCbCr 4:2:0 or RGBX_8888, with the latter being recognized
298 * by lock_ycbcr failing.
300 if (image
|| buf
->format
!= HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
)
305 * Non-YUV formats could *also* have multiple planes, such as ancillary
306 * color compression state buffer, but the rest of the code isn't ready
307 * yet to deal with modifiers:
309 assert(num_fds
== 1);
311 const int fourcc
= get_fourcc(buf
->format
);
313 _eglError(EGL_BAD_PARAMETER
, "eglCreateEGLImageKHR");
317 pitches
[0] = buf
->stride
* get_format_bpp(buf
->format
);
318 if (pitches
[0] == 0) {
319 _eglError(EGL_BAD_PARAMETER
, "eglCreateEGLImageKHR");
323 return dri2_dpy
->image
->createImageFromDmaBufs(dri2_dpy
->dri_screen
,
324 buf
->width
, buf
->height
, fourcc
,
325 fds
, num_fds
, pitches
, offsets
,
327 EGL_YUV_NARROW_RANGE_EXT
,
328 EGL_YUV_CHROMA_SITING_0_EXT
,
329 EGL_YUV_CHROMA_SITING_0_EXT
,
334 /* More recent CrOS gralloc has a perform op that fills out the struct below
335 * with canonical information about the buffer and its modifier, planes,
336 * offsets and strides. If we have this, we can skip straight to
337 * createImageFromDmaBufs2() and avoid all the guessing and recalculations.
338 * This also gives us the modifier and plane offsets/strides for multiplanar
339 * compressed buffers (eg Intel CCS buffers) in order to make that work in Android.
342 static const char cros_gralloc_module_name
[] = "CrOS Gralloc";
344 #define CROS_GRALLOC_DRM_GET_BUFFER_INFO 4
346 struct cros_gralloc0_buffer_info
{
356 droid_create_image_from_cros_info(_EGLDisplay
*disp
,
357 struct ANativeWindowBuffer
*buf
)
359 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
360 struct cros_gralloc0_buffer_info info
;
363 if (strcmp(dri2_dpy
->gralloc
->common
.name
, cros_gralloc_module_name
) == 0 &&
364 dri2_dpy
->gralloc
->perform
&&
365 dri2_dpy
->image
->base
.version
>= 15 &&
366 dri2_dpy
->image
->createImageFromDmaBufs2
!= NULL
&&
367 dri2_dpy
->gralloc
->perform(dri2_dpy
->gralloc
,
368 CROS_GRALLOC_DRM_GET_BUFFER_INFO
,
369 buf
->handle
, &info
) == 0) {
370 return dri2_dpy
->image
->createImageFromDmaBufs2(dri2_dpy
->dri_screen
,
371 buf
->width
, buf
->height
,
372 info
.drm_fourcc
, info
.modifier
,
373 info
.fds
, info
.num_fds
,
374 info
.stride
, info
.offset
,
376 EGL_YUV_FULL_RANGE_EXT
,
377 EGL_YUV_CHROMA_SITING_0_EXT
,
378 EGL_YUV_CHROMA_SITING_0_EXT
,
387 droid_create_image_from_native_buffer(_EGLDisplay
*disp
,
388 struct ANativeWindowBuffer
*buf
)
390 __DRIimage
*dri_image
;
392 dri_image
= droid_create_image_from_cros_info(disp
, buf
);
396 return droid_create_image_from_prime_fds(disp
, buf
);
400 droid_window_dequeue_buffer(struct dri2_egl_surface
*dri2_surf
)
404 if (dri2_surf
->window
->dequeueBuffer(dri2_surf
->window
, &dri2_surf
->buffer
,
408 /* If access to the buffer is controlled by a sync fence, then block on the
411 * It may be more performant to postpone blocking until there is an
412 * immediate need to write to the buffer. But doing so would require adding
413 * hooks to the DRI2 loader.
415 * From the ANativeWindow::dequeueBuffer documentation:
417 * The libsync fence file descriptor returned in the int pointed to by
418 * the fenceFd argument will refer to the fence that must signal
419 * before the dequeued buffer may be written to. A value of -1
420 * indicates that the caller may access the buffer immediately without
421 * waiting on a fence. If a valid file descriptor is returned (i.e.
422 * any value except -1) then the caller is responsible for closing the
426 /* From the SYNC_IOC_WAIT documentation in <linux/sync.h>:
428 * Waits indefinitely if timeout < 0.
431 sync_wait(fence_fd
, timeout
);
435 /* Record all the buffers created by ANativeWindow and update back buffer
436 * for updating buffer's age in swap_buffers.
438 EGLBoolean updated
= EGL_FALSE
;
439 for (int i
= 0; i
< dri2_surf
->color_buffers_count
; i
++) {
440 if (!dri2_surf
->color_buffers
[i
].buffer
) {
441 dri2_surf
->color_buffers
[i
].buffer
= dri2_surf
->buffer
;
443 if (dri2_surf
->color_buffers
[i
].buffer
== dri2_surf
->buffer
) {
444 dri2_surf
->back
= &dri2_surf
->color_buffers
[i
];
451 /* In case of all the buffers were recreated by ANativeWindow, reset
454 for (int i
= 0; i
< dri2_surf
->color_buffers_count
; i
++) {
455 dri2_surf
->color_buffers
[i
].buffer
= NULL
;
456 dri2_surf
->color_buffers
[i
].age
= 0;
458 dri2_surf
->color_buffers
[0].buffer
= dri2_surf
->buffer
;
459 dri2_surf
->back
= &dri2_surf
->color_buffers
[0];
466 droid_window_enqueue_buffer(_EGLDisplay
*disp
, struct dri2_egl_surface
*dri2_surf
)
468 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
470 /* To avoid blocking other EGL calls, release the display mutex before
471 * we enter droid_window_enqueue_buffer() and re-acquire the mutex upon
474 mtx_unlock(&disp
->Mutex
);
476 /* Queue the buffer with stored out fence fd. The ANativeWindow or buffer
477 * consumer may choose to wait for the fence to signal before accessing
478 * it. If fence fd value is -1, buffer can be accessed by consumer
479 * immediately. Consumer or application shouldn't rely on timestamp
480 * associated with fence if the fence fd is -1.
482 * Ownership of fd is transferred to consumer after queueBuffer and the
483 * consumer is responsible for closing it. Caller must not use the fd
484 * after passing it to queueBuffer.
486 int fence_fd
= dri2_surf
->out_fence_fd
;
487 dri2_surf
->out_fence_fd
= -1;
488 dri2_surf
->window
->queueBuffer(dri2_surf
->window
, dri2_surf
->buffer
,
491 dri2_surf
->buffer
= NULL
;
492 dri2_surf
->back
= NULL
;
494 mtx_lock(&disp
->Mutex
);
496 if (dri2_surf
->dri_image_back
) {
497 dri2_dpy
->image
->destroyImage(dri2_surf
->dri_image_back
);
498 dri2_surf
->dri_image_back
= NULL
;
505 droid_window_cancel_buffer(struct dri2_egl_surface
*dri2_surf
)
508 int fence_fd
= dri2_surf
->out_fence_fd
;
510 dri2_surf
->out_fence_fd
= -1;
511 ret
= dri2_surf
->window
->cancelBuffer(dri2_surf
->window
,
512 dri2_surf
->buffer
, fence_fd
);
513 dri2_surf
->buffer
= NULL
;
515 _eglLog(_EGL_WARNING
, "ANativeWindow::cancelBuffer failed");
516 dri2_surf
->base
.Lost
= EGL_TRUE
;
521 droid_set_shared_buffer_mode(_EGLDisplay
*disp
, _EGLSurface
*surf
, bool mode
)
523 #if ANDROID_API_LEVEL >= 24
524 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
525 struct ANativeWindow
*window
= dri2_surf
->window
;
527 assert(surf
->Type
== EGL_WINDOW_BIT
);
528 assert(_eglSurfaceHasMutableRenderBuffer(&dri2_surf
->base
));
530 _eglLog(_EGL_DEBUG
, "%s: mode=%d", __func__
, mode
);
532 if (native_window_set_shared_buffer_mode(window
, mode
)) {
533 _eglLog(_EGL_WARNING
, "failed native_window_set_shared_buffer_mode"
534 "(window=%p, mode=%d)", window
, mode
);
540 _eglLog(_EGL_FATAL
, "%s:%d: internal error: unreachable", __FILE__
, __LINE__
);
546 droid_create_surface(_EGLDisplay
*disp
, EGLint type
, _EGLConfig
*conf
,
547 void *native_window
, const EGLint
*attrib_list
)
549 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
550 struct dri2_egl_config
*dri2_conf
= dri2_egl_config(conf
);
551 struct dri2_egl_surface
*dri2_surf
;
552 struct ANativeWindow
*window
= native_window
;
553 const __DRIconfig
*config
;
555 dri2_surf
= calloc(1, sizeof *dri2_surf
);
557 _eglError(EGL_BAD_ALLOC
, "droid_create_surface");
561 if (!dri2_init_surface(&dri2_surf
->base
, disp
, type
, conf
, attrib_list
,
562 true, native_window
))
563 goto cleanup_surface
;
565 if (type
== EGL_WINDOW_BIT
) {
568 int min_buffer_count
, max_buffer_count
;
570 /* Prefer triple buffering for performance reasons. */
571 const int preferred_buffer_count
= 3;
573 if (window
->common
.magic
!= ANDROID_NATIVE_WINDOW_MAGIC
) {
574 _eglError(EGL_BAD_NATIVE_WINDOW
, "droid_create_surface");
575 goto cleanup_surface
;
577 if (window
->query(window
, NATIVE_WINDOW_FORMAT
, &format
)) {
578 _eglError(EGL_BAD_NATIVE_WINDOW
, "droid_create_surface");
579 goto cleanup_surface
;
582 /* Query ANativeWindow for MIN_UNDEQUEUED_BUFFER, minimum amount
583 * of undequeued buffers.
585 if (window
->query(window
, NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS
,
586 &min_buffer_count
)) {
587 _eglError(EGL_BAD_NATIVE_WINDOW
, "droid_create_surface");
588 goto cleanup_surface
;
591 /* Query for maximum buffer count, application can set this
592 * to limit the total amount of buffers.
594 if (window
->query(window
, NATIVE_WINDOW_MAX_BUFFER_COUNT
,
595 &max_buffer_count
)) {
596 _eglError(EGL_BAD_NATIVE_WINDOW
, "droid_create_surface");
597 goto cleanup_surface
;
600 /* Clamp preferred between minimum (min undequeued + 1 dequeued)
603 buffer_count
= CLAMP(preferred_buffer_count
, min_buffer_count
+ 1,
606 if (native_window_set_buffer_count(window
, buffer_count
)) {
607 _eglError(EGL_BAD_NATIVE_WINDOW
, "droid_create_surface");
608 goto cleanup_surface
;
610 dri2_surf
->color_buffers
= calloc(buffer_count
,
611 sizeof(*dri2_surf
->color_buffers
));
612 if (!dri2_surf
->color_buffers
) {
613 _eglError(EGL_BAD_ALLOC
, "droid_create_surface");
614 goto cleanup_surface
;
616 dri2_surf
->color_buffers_count
= buffer_count
;
618 if (format
!= dri2_conf
->base
.NativeVisualID
) {
619 _eglLog(_EGL_WARNING
, "Native format mismatch: 0x%x != 0x%x",
620 format
, dri2_conf
->base
.NativeVisualID
);
623 window
->query(window
, NATIVE_WINDOW_WIDTH
, &dri2_surf
->base
.Width
);
624 window
->query(window
, NATIVE_WINDOW_HEIGHT
, &dri2_surf
->base
.Height
);
626 uint32_t usage
= strcmp(dri2_dpy
->driver_name
, "kms_swrast") == 0
627 ? GRALLOC_USAGE_SW_READ_OFTEN
| GRALLOC_USAGE_SW_WRITE_OFTEN
628 : GRALLOC_USAGE_HW_RENDER
;
629 native_window_set_usage(window
, usage
);
632 config
= dri2_get_dri_config(dri2_conf
, type
,
633 dri2_surf
->base
.GLColorspace
);
635 _eglError(EGL_BAD_MATCH
, "Unsupported surfacetype/colorspace configuration");
636 goto cleanup_surface
;
639 if (!dri2_create_drawable(dri2_dpy
, config
, dri2_surf
, dri2_surf
))
640 goto cleanup_surface
;
643 window
->common
.incRef(&window
->common
);
644 dri2_surf
->window
= window
;
647 return &dri2_surf
->base
;
650 if (dri2_surf
->color_buffers_count
)
651 free(dri2_surf
->color_buffers
);
658 droid_create_window_surface(_EGLDisplay
*disp
, _EGLConfig
*conf
,
659 void *native_window
, const EGLint
*attrib_list
)
661 return droid_create_surface(disp
, EGL_WINDOW_BIT
, conf
,
662 native_window
, attrib_list
);
666 droid_create_pbuffer_surface(_EGLDisplay
*disp
, _EGLConfig
*conf
,
667 const EGLint
*attrib_list
)
669 return droid_create_surface(disp
, EGL_PBUFFER_BIT
, conf
,
674 droid_destroy_surface(_EGLDisplay
*disp
, _EGLSurface
*surf
)
676 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
677 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
679 dri2_egl_surface_free_local_buffers(dri2_surf
);
681 if (dri2_surf
->base
.Type
== EGL_WINDOW_BIT
) {
682 if (dri2_surf
->buffer
)
683 droid_window_cancel_buffer(dri2_surf
);
685 dri2_surf
->window
->common
.decRef(&dri2_surf
->window
->common
);
688 if (dri2_surf
->dri_image_back
) {
689 _eglLog(_EGL_DEBUG
, "%s : %d : destroy dri_image_back", __func__
, __LINE__
);
690 dri2_dpy
->image
->destroyImage(dri2_surf
->dri_image_back
);
691 dri2_surf
->dri_image_back
= NULL
;
694 if (dri2_surf
->dri_image_front
) {
695 _eglLog(_EGL_DEBUG
, "%s : %d : destroy dri_image_front", __func__
, __LINE__
);
696 dri2_dpy
->image
->destroyImage(dri2_surf
->dri_image_front
);
697 dri2_surf
->dri_image_front
= NULL
;
700 dri2_dpy
->core
->destroyDrawable(dri2_surf
->dri_drawable
);
702 dri2_fini_surface(surf
);
703 free(dri2_surf
->color_buffers
);
710 droid_swap_interval(_EGLDisplay
*disp
, _EGLSurface
*surf
, EGLint interval
)
712 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
713 struct ANativeWindow
*window
= dri2_surf
->window
;
715 if (window
->setSwapInterval(window
, interval
))
718 surf
->SwapInterval
= interval
;
723 update_buffers(struct dri2_egl_surface
*dri2_surf
)
725 if (dri2_surf
->base
.Lost
)
728 if (dri2_surf
->base
.Type
!= EGL_WINDOW_BIT
)
731 /* try to dequeue the next back buffer */
732 if (!dri2_surf
->buffer
&& !droid_window_dequeue_buffer(dri2_surf
)) {
733 _eglLog(_EGL_WARNING
, "Could not dequeue buffer from native window");
734 dri2_surf
->base
.Lost
= EGL_TRUE
;
738 /* free outdated buffers and update the surface size */
739 if (dri2_surf
->base
.Width
!= dri2_surf
->buffer
->width
||
740 dri2_surf
->base
.Height
!= dri2_surf
->buffer
->height
) {
741 dri2_egl_surface_free_local_buffers(dri2_surf
);
742 dri2_surf
->base
.Width
= dri2_surf
->buffer
->width
;
743 dri2_surf
->base
.Height
= dri2_surf
->buffer
->height
;
750 get_front_bo(struct dri2_egl_surface
*dri2_surf
, unsigned int format
)
752 struct dri2_egl_display
*dri2_dpy
=
753 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
755 if (dri2_surf
->dri_image_front
)
758 if (dri2_surf
->base
.Type
== EGL_WINDOW_BIT
) {
759 /* According current EGL spec, front buffer rendering
760 * for window surface is not supported now.
761 * and mesa doesn't have the implementation of this case.
762 * Add warning message, but not treat it as error.
764 _eglLog(_EGL_DEBUG
, "DRI driver requested unsupported front buffer for window surface");
765 } else if (dri2_surf
->base
.Type
== EGL_PBUFFER_BIT
) {
766 dri2_surf
->dri_image_front
=
767 dri2_dpy
->image
->createImage(dri2_dpy
->dri_screen
,
768 dri2_surf
->base
.Width
,
769 dri2_surf
->base
.Height
,
773 if (!dri2_surf
->dri_image_front
) {
774 _eglLog(_EGL_WARNING
, "dri2_image_front allocation failed");
783 get_back_bo(struct dri2_egl_surface
*dri2_surf
)
785 _EGLDisplay
*disp
= dri2_surf
->base
.Resource
.Display
;
787 if (dri2_surf
->dri_image_back
)
790 if (dri2_surf
->base
.Type
== EGL_WINDOW_BIT
) {
791 if (!dri2_surf
->buffer
) {
792 _eglLog(_EGL_WARNING
, "Could not get native buffer");
796 dri2_surf
->dri_image_back
=
797 droid_create_image_from_native_buffer(disp
, dri2_surf
->buffer
);
798 if (!dri2_surf
->dri_image_back
) {
799 _eglLog(_EGL_WARNING
, "failed to create DRI image from FD");
802 } else if (dri2_surf
->base
.Type
== EGL_PBUFFER_BIT
) {
803 /* The EGL 1.5 spec states that pbuffers are single-buffered. Specifically,
804 * the spec states that they have a back buffer but no front buffer, in
805 * contrast to pixmaps, which have a front buffer but no back buffer.
807 * Single-buffered surfaces with no front buffer confuse Mesa; so we deviate
808 * from the spec, following the precedent of Mesa's EGL X11 platform. The
809 * X11 platform correctly assigns pbuffers to single-buffered configs, but
810 * assigns the pbuffer a front buffer instead of a back buffer.
812 * Pbuffers in the X11 platform mostly work today, so let's just copy its
813 * behavior instead of trying to fix (and hence potentially breaking) the
816 _eglLog(_EGL_DEBUG
, "DRI driver requested unsupported back buffer for pbuffer surface");
822 /* Some drivers will pass multiple bits in buffer_mask.
823 * For such case, will go through all the bits, and
824 * will not return error when unsupported buffer is requested, only
825 * return error when the allocation for supported buffer failed.
828 droid_image_get_buffers(__DRIdrawable
*driDrawable
,
832 uint32_t buffer_mask
,
833 struct __DRIimageList
*images
)
835 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
837 images
->image_mask
= 0;
838 images
->front
= NULL
;
841 if (update_buffers(dri2_surf
) < 0)
844 if (_eglSurfaceInSharedBufferMode(&dri2_surf
->base
)) {
845 if (get_back_bo(dri2_surf
) < 0)
848 /* We have dri_image_back because this is a window surface and
849 * get_back_bo() succeeded.
851 assert(dri2_surf
->dri_image_back
);
852 images
->back
= dri2_surf
->dri_image_back
;
853 images
->image_mask
|= __DRI_IMAGE_BUFFER_SHARED
;
855 /* There exists no accompanying back nor front buffer. */
859 if (buffer_mask
& __DRI_IMAGE_BUFFER_FRONT
) {
860 if (get_front_bo(dri2_surf
, format
) < 0)
863 if (dri2_surf
->dri_image_front
) {
864 images
->front
= dri2_surf
->dri_image_front
;
865 images
->image_mask
|= __DRI_IMAGE_BUFFER_FRONT
;
869 if (buffer_mask
& __DRI_IMAGE_BUFFER_BACK
) {
870 if (get_back_bo(dri2_surf
) < 0)
873 if (dri2_surf
->dri_image_back
) {
874 images
->back
= dri2_surf
->dri_image_back
;
875 images
->image_mask
|= __DRI_IMAGE_BUFFER_BACK
;
883 droid_query_buffer_age(_EGLDisplay
*disp
, _EGLSurface
*surface
)
885 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surface
);
887 if (update_buffers(dri2_surf
) < 0) {
888 _eglError(EGL_BAD_ALLOC
, "droid_query_buffer_age");
892 return dri2_surf
->back
? dri2_surf
->back
->age
: 0;
896 droid_swap_buffers(_EGLDisplay
*disp
, _EGLSurface
*draw
)
898 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
899 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(draw
);
900 const bool has_mutable_rb
= _eglSurfaceHasMutableRenderBuffer(draw
);
902 /* From the EGL_KHR_mutable_render_buffer spec (v12):
904 * If surface is a single-buffered window, pixmap, or pbuffer surface
905 * for which there is no pending change to the EGL_RENDER_BUFFER
906 * attribute, eglSwapBuffers has no effect.
908 if (has_mutable_rb
&&
909 draw
->RequestedRenderBuffer
== EGL_SINGLE_BUFFER
&&
910 draw
->ActiveRenderBuffer
== EGL_SINGLE_BUFFER
) {
911 _eglLog(_EGL_DEBUG
, "%s: remain in shared buffer mode", __func__
);
915 for (int i
= 0; i
< dri2_surf
->color_buffers_count
; i
++) {
916 if (dri2_surf
->color_buffers
[i
].age
> 0)
917 dri2_surf
->color_buffers
[i
].age
++;
920 /* "XXX: we don't use get_back_bo() since it causes regressions in
921 * several dEQP tests.
924 dri2_surf
->back
->age
= 1;
926 dri2_flush_drawable_for_swapbuffers(disp
, draw
);
928 /* dri2_surf->buffer can be null even when no error has occured. For
929 * example, if the user has called no GL rendering commands since the
930 * previous eglSwapBuffers, then the driver may have not triggered
931 * a callback to ANativeWindow::dequeueBuffer, in which case
932 * dri2_surf->buffer remains null.
934 if (dri2_surf
->buffer
)
935 droid_window_enqueue_buffer(disp
, dri2_surf
);
937 dri2_dpy
->flush
->invalidate(dri2_surf
->dri_drawable
);
939 /* Update the shared buffer mode */
940 if (has_mutable_rb
&&
941 draw
->ActiveRenderBuffer
!= draw
->RequestedRenderBuffer
) {
942 bool mode
= (draw
->RequestedRenderBuffer
== EGL_SINGLE_BUFFER
);
943 _eglLog(_EGL_DEBUG
, "%s: change to shared buffer mode %d",
946 if (!droid_set_shared_buffer_mode(disp
, draw
, mode
))
948 draw
->ActiveRenderBuffer
= draw
->RequestedRenderBuffer
;
954 #ifdef HAVE_DRM_GRALLOC
955 static int get_format(int format
)
958 case HAL_PIXEL_FORMAT_BGRA_8888
: return __DRI_IMAGE_FORMAT_ARGB8888
;
959 case HAL_PIXEL_FORMAT_RGB_565
: return __DRI_IMAGE_FORMAT_RGB565
;
960 case HAL_PIXEL_FORMAT_RGBA_8888
: return __DRI_IMAGE_FORMAT_ABGR8888
;
961 case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
:
963 * HACK: Hardcode this to RGBX_8888 as per cros_gralloc hack.
964 * TODO: Revert this once https://issuetracker.google.com/32077885 is fixed.
966 case HAL_PIXEL_FORMAT_RGBX_8888
: return __DRI_IMAGE_FORMAT_XBGR8888
;
967 case HAL_PIXEL_FORMAT_RGBA_FP16
: return __DRI_IMAGE_FORMAT_ABGR16161616F
;
968 case HAL_PIXEL_FORMAT_RGBA_1010102
: return __DRI_IMAGE_FORMAT_ABGR2101010
;
970 _eglLog(_EGL_WARNING
, "unsupported native buffer format 0x%x", format
);
976 droid_create_image_from_name(_EGLDisplay
*disp
,
977 struct ANativeWindowBuffer
*buf
)
979 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
980 __DRIimage
*dri_image
;
984 name
= get_native_buffer_name(buf
);
986 _eglError(EGL_BAD_PARAMETER
, "eglCreateEGLImageKHR");
990 format
= get_format(buf
->format
);
995 dri2_dpy
->image
->createImageFromName(dri2_dpy
->dri_screen
,
1003 #endif /* HAVE_DRM_GRALLOC */
1006 droid_query_surface(_EGLDisplay
*disp
, _EGLSurface
*surf
,
1007 EGLint attribute
, EGLint
*value
)
1009 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
1010 switch (attribute
) {
1012 if (dri2_surf
->base
.Type
== EGL_WINDOW_BIT
&& dri2_surf
->window
) {
1013 dri2_surf
->window
->query(dri2_surf
->window
,
1014 NATIVE_WINDOW_DEFAULT_WIDTH
, value
);
1019 if (dri2_surf
->base
.Type
== EGL_WINDOW_BIT
&& dri2_surf
->window
) {
1020 dri2_surf
->window
->query(dri2_surf
->window
,
1021 NATIVE_WINDOW_DEFAULT_HEIGHT
, value
);
1028 return _eglQuerySurface(disp
, surf
, attribute
, value
);
1032 dri2_create_image_android_native_buffer(_EGLDisplay
*disp
,
1034 struct ANativeWindowBuffer
*buf
)
1037 /* From the EGL_ANDROID_image_native_buffer spec:
1039 * * If <target> is EGL_NATIVE_BUFFER_ANDROID and <ctx> is not
1040 * EGL_NO_CONTEXT, the error EGL_BAD_CONTEXT is generated.
1042 _eglError(EGL_BAD_CONTEXT
, "eglCreateEGLImageKHR: for "
1043 "EGL_NATIVE_BUFFER_ANDROID, the context must be "
1048 if (!buf
|| buf
->common
.magic
!= ANDROID_NATIVE_BUFFER_MAGIC
||
1049 buf
->common
.version
!= sizeof(*buf
)) {
1050 _eglError(EGL_BAD_PARAMETER
, "eglCreateEGLImageKHR");
1054 __DRIimage
*dri_image
=
1055 droid_create_image_from_native_buffer(disp
, buf
);
1057 #ifdef HAVE_DRM_GRALLOC
1058 if (dri_image
== NULL
)
1059 dri_image
= droid_create_image_from_name(disp
, buf
);
1063 return dri2_create_image_from_dri(disp
, dri_image
);
1069 droid_create_image_khr(_EGLDisplay
*disp
, _EGLContext
*ctx
, EGLenum target
,
1070 EGLClientBuffer buffer
, const EGLint
*attr_list
)
1073 case EGL_NATIVE_BUFFER_ANDROID
:
1074 return dri2_create_image_android_native_buffer(disp
, ctx
,
1075 (struct ANativeWindowBuffer
*) buffer
);
1077 return dri2_create_image_khr(disp
, ctx
, target
, buffer
, attr_list
);
1082 droid_flush_front_buffer(__DRIdrawable
* driDrawable
, void *loaderPrivate
)
1086 #ifdef HAVE_DRM_GRALLOC
1088 droid_get_buffers_parse_attachments(struct dri2_egl_surface
*dri2_surf
,
1089 unsigned int *attachments
, int count
)
1091 int num_buffers
= 0;
1093 /* fill dri2_surf->buffers */
1094 for (int i
= 0; i
< count
* 2; i
+= 2) {
1095 __DRIbuffer
*buf
, *local
;
1097 assert(num_buffers
< ARRAY_SIZE(dri2_surf
->buffers
));
1098 buf
= &dri2_surf
->buffers
[num_buffers
];
1100 switch (attachments
[i
]) {
1101 case __DRI_BUFFER_BACK_LEFT
:
1102 if (dri2_surf
->base
.Type
== EGL_WINDOW_BIT
) {
1103 buf
->attachment
= attachments
[i
];
1104 buf
->name
= get_native_buffer_name(dri2_surf
->buffer
);
1105 buf
->cpp
= get_format_bpp(dri2_surf
->buffer
->format
);
1106 buf
->pitch
= dri2_surf
->buffer
->stride
* buf
->cpp
;
1114 /* fall through for pbuffers */
1115 case __DRI_BUFFER_DEPTH
:
1116 case __DRI_BUFFER_STENCIL
:
1117 case __DRI_BUFFER_ACCUM
:
1118 case __DRI_BUFFER_DEPTH_STENCIL
:
1119 case __DRI_BUFFER_HIZ
:
1120 local
= dri2_egl_surface_alloc_local_buffer(dri2_surf
,
1121 attachments
[i
], attachments
[i
+ 1]);
1128 case __DRI_BUFFER_FRONT_LEFT
:
1129 case __DRI_BUFFER_FRONT_RIGHT
:
1130 case __DRI_BUFFER_FAKE_FRONT_LEFT
:
1131 case __DRI_BUFFER_FAKE_FRONT_RIGHT
:
1132 case __DRI_BUFFER_BACK_RIGHT
:
1134 /* no front or right buffers */
1142 static __DRIbuffer
*
1143 droid_get_buffers_with_format(__DRIdrawable
* driDrawable
,
1144 int *width
, int *height
,
1145 unsigned int *attachments
, int count
,
1146 int *out_count
, void *loaderPrivate
)
1148 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
1150 if (update_buffers(dri2_surf
) < 0)
1153 *out_count
= droid_get_buffers_parse_attachments(dri2_surf
, attachments
, count
);
1156 *width
= dri2_surf
->base
.Width
;
1158 *height
= dri2_surf
->base
.Height
;
1160 return dri2_surf
->buffers
;
1162 #endif /* HAVE_DRM_GRALLOC */
1165 droid_get_capability(void *loaderPrivate
, enum dri_loader_cap cap
)
1167 /* Note: loaderPrivate is _EGLDisplay* */
1169 case DRI_LOADER_CAP_RGBA_ORDERING
:
1177 droid_add_configs_for_visuals(_EGLDisplay
*disp
)
1179 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1180 static const struct {
1183 unsigned int rgba_sizes
[4];
1185 { HAL_PIXEL_FORMAT_RGBA_8888
, { 0, 8, 16, 24 }, { 8, 8, 8, 8 } },
1186 { HAL_PIXEL_FORMAT_RGBX_8888
, { 0, 8, 16, -1 }, { 8, 8, 8, 0 } },
1187 { HAL_PIXEL_FORMAT_RGB_565
, { 11, 5, 0, -1 }, { 5, 6, 5, 0 } },
1188 /* This must be after HAL_PIXEL_FORMAT_RGBA_8888, we only keep BGRA
1189 * visual if it turns out RGBA visual is not available.
1191 { HAL_PIXEL_FORMAT_BGRA_8888
, { 16, 8, 0, 24 }, { 8, 8, 8, 8 } },
1194 unsigned int format_count
[ARRAY_SIZE(visuals
)] = { 0 };
1195 int config_count
= 0;
1197 /* The nesting of loops is significant here. Also significant is the order
1198 * of the HAL pixel formats. Many Android apps (such as Google's official
1199 * NDK GLES2 example app), and even portions the core framework code (such
1200 * as SystemServiceManager in Nougat), incorrectly choose their EGLConfig.
1201 * They neglect to match the EGLConfig's EGL_NATIVE_VISUAL_ID against the
1202 * window's native format, and instead choose the first EGLConfig whose
1203 * channel sizes match those of the native window format while ignoring the
1204 * channel *ordering*.
1206 * We can detect such buggy clients in logcat when they call
1207 * eglCreateSurface, by detecting the mismatch between the EGLConfig's
1208 * format and the window's format.
1210 * As a workaround, we generate EGLConfigs such that all EGLConfigs for HAL
1211 * pixel format i precede those for HAL pixel format i+1. In my
1212 * (chadversary) testing on Android Nougat, this was good enough to pacify
1213 * the buggy clients.
1215 bool has_rgba
= false;
1216 for (int i
= 0; i
< ARRAY_SIZE(visuals
); i
++) {
1217 /* Only enable BGRA configs when RGBA is not available. BGRA configs are
1218 * buggy on stock Android.
1220 if (visuals
[i
].format
== HAL_PIXEL_FORMAT_BGRA_8888
&& has_rgba
)
1222 for (int j
= 0; dri2_dpy
->driver_configs
[j
]; j
++) {
1223 const EGLint surface_type
= EGL_WINDOW_BIT
| EGL_PBUFFER_BIT
;
1225 const EGLint config_attrs
[] = {
1226 EGL_NATIVE_VISUAL_ID
, visuals
[i
].format
,
1227 EGL_NATIVE_VISUAL_TYPE
, visuals
[i
].format
,
1228 EGL_FRAMEBUFFER_TARGET_ANDROID
, EGL_TRUE
,
1229 EGL_RECORDABLE_ANDROID
, EGL_TRUE
,
1233 struct dri2_egl_config
*dri2_conf
=
1234 dri2_add_config(disp
, dri2_dpy
->driver_configs
[j
],
1235 config_count
+ 1, surface_type
, config_attrs
,
1236 visuals
[i
].rgba_shifts
, visuals
[i
].rgba_sizes
);
1238 if (dri2_conf
->base
.ConfigID
== config_count
+ 1)
1243 if (visuals
[i
].format
== HAL_PIXEL_FORMAT_RGBA_8888
&& format_count
[i
])
1247 for (int i
= 0; i
< ARRAY_SIZE(format_count
); i
++) {
1248 if (!format_count
[i
]) {
1249 _eglLog(_EGL_DEBUG
, "No DRI config supports native format 0x%x",
1254 return (config_count
!= 0);
1257 static const struct dri2_egl_display_vtbl droid_display_vtbl
= {
1258 .authenticate
= NULL
,
1259 .create_window_surface
= droid_create_window_surface
,
1260 .create_pbuffer_surface
= droid_create_pbuffer_surface
,
1261 .destroy_surface
= droid_destroy_surface
,
1262 .create_image
= droid_create_image_khr
,
1263 .swap_buffers
= droid_swap_buffers
,
1264 .swap_interval
= droid_swap_interval
,
1265 .query_buffer_age
= droid_query_buffer_age
,
1266 .query_surface
= droid_query_surface
,
1267 .get_dri_drawable
= dri2_surface_get_dri_drawable
,
1268 .set_shared_buffer_mode
= droid_set_shared_buffer_mode
,
1271 #ifdef HAVE_DRM_GRALLOC
1272 static const __DRIdri2LoaderExtension droid_dri2_loader_extension
= {
1273 .base
= { __DRI_DRI2_LOADER
, 4 },
1276 .flushFrontBuffer
= droid_flush_front_buffer
,
1277 .getBuffersWithFormat
= droid_get_buffers_with_format
,
1278 .getCapability
= droid_get_capability
,
1281 static const __DRIextension
*droid_dri2_loader_extensions
[] = {
1282 &droid_dri2_loader_extension
.base
,
1283 &image_lookup_extension
.base
,
1284 &use_invalidate
.base
,
1285 /* No __DRI_MUTABLE_RENDER_BUFFER_LOADER because it requires
1286 * __DRI_IMAGE_LOADER.
1290 #endif /* HAVE_DRM_GRALLOC */
1292 static const __DRIimageLoaderExtension droid_image_loader_extension
= {
1293 .base
= { __DRI_IMAGE_LOADER
, 2 },
1295 .getBuffers
= droid_image_get_buffers
,
1296 .flushFrontBuffer
= droid_flush_front_buffer
,
1297 .getCapability
= droid_get_capability
,
1301 droid_display_shared_buffer(__DRIdrawable
*driDrawable
, int fence_fd
,
1302 void *loaderPrivate
)
1304 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
1305 struct ANativeWindowBuffer
*old_buffer UNUSED
= dri2_surf
->buffer
;
1307 if (!_eglSurfaceInSharedBufferMode(&dri2_surf
->base
)) {
1308 _eglLog(_EGL_WARNING
, "%s: internal error: buffer is not shared",
1313 if (fence_fd
>= 0) {
1314 /* The driver's fence is more recent than the surface's out fence, if it
1315 * exists at all. So use the driver's fence.
1317 if (dri2_surf
->out_fence_fd
>= 0) {
1318 close(dri2_surf
->out_fence_fd
);
1319 dri2_surf
->out_fence_fd
= -1;
1321 } else if (dri2_surf
->out_fence_fd
>= 0) {
1322 fence_fd
= dri2_surf
->out_fence_fd
;
1323 dri2_surf
->out_fence_fd
= -1;
1326 if (dri2_surf
->window
->queueBuffer(dri2_surf
->window
, dri2_surf
->buffer
,
1328 _eglLog(_EGL_WARNING
, "%s: ANativeWindow::queueBuffer failed", __func__
);
1335 if (dri2_surf
->window
->dequeueBuffer(dri2_surf
->window
, &dri2_surf
->buffer
,
1337 /* Tear down the surface because it no longer has a back buffer. */
1338 struct dri2_egl_display
*dri2_dpy
=
1339 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
1341 _eglLog(_EGL_WARNING
, "%s: ANativeWindow::dequeueBuffer failed", __func__
);
1343 dri2_surf
->base
.Lost
= true;
1344 dri2_surf
->buffer
= NULL
;
1345 dri2_surf
->back
= NULL
;
1347 if (dri2_surf
->dri_image_back
) {
1348 dri2_dpy
->image
->destroyImage(dri2_surf
->dri_image_back
);
1349 dri2_surf
->dri_image_back
= NULL
;
1352 dri2_dpy
->flush
->invalidate(dri2_surf
->dri_drawable
);
1359 /* Access to the buffer is controlled by a sync fence. Block on it.
1361 * Ideally, we would submit the fence to the driver, and the driver would
1362 * postpone command execution until it signalled. But DRI lacks API for
1363 * that (as of 2018-04-11).
1365 * SYNC_IOC_WAIT waits forever if timeout < 0
1367 sync_wait(fence_fd
, -1);
1371 static const __DRImutableRenderBufferLoaderExtension droid_mutable_render_buffer_extension
= {
1372 .base
= { __DRI_MUTABLE_RENDER_BUFFER_LOADER
, 1 },
1373 .displaySharedBuffer
= droid_display_shared_buffer
,
1376 static const __DRIextension
*droid_image_loader_extensions
[] = {
1377 &droid_image_loader_extension
.base
,
1378 &image_lookup_extension
.base
,
1379 &use_invalidate
.base
,
1380 &droid_mutable_render_buffer_extension
.base
,
1385 droid_load_driver(_EGLDisplay
*disp
, bool swrast
)
1387 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1389 dri2_dpy
->driver_name
= loader_get_driver_for_fd(dri2_dpy
->fd
);
1390 if (dri2_dpy
->driver_name
== NULL
)
1393 #ifdef HAVE_DRM_GRALLOC
1394 /* Handle control nodes using __DRI_DRI2_LOADER extension and GEM names
1395 * for backwards compatibility with drm_gralloc. (Do not use on new
1397 dri2_dpy
->loader_extensions
= droid_dri2_loader_extensions
;
1398 if (!dri2_load_driver(disp
)) {
1403 /* Use kms swrast only with vgem / virtio_gpu.
1404 * virtio-gpu fallbacks to software rendering when 3D features
1405 * are unavailable since 6c5ab.
1407 if (strcmp(dri2_dpy
->driver_name
, "vgem") == 0 ||
1408 strcmp(dri2_dpy
->driver_name
, "virtio_gpu") == 0) {
1409 free(dri2_dpy
->driver_name
);
1410 dri2_dpy
->driver_name
= strdup("kms_swrast");
1416 dri2_dpy
->loader_extensions
= droid_image_loader_extensions
;
1417 if (!dri2_load_driver_dri3(disp
)) {
1425 free(dri2_dpy
->driver_name
);
1426 dri2_dpy
->driver_name
= NULL
;
1431 droid_unload_driver(_EGLDisplay
*disp
)
1433 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1435 dlclose(dri2_dpy
->driver
);
1436 dri2_dpy
->driver
= NULL
;
1437 free(dri2_dpy
->driver_name
);
1438 dri2_dpy
->driver_name
= NULL
;
1442 droid_filter_device(_EGLDisplay
*disp
, int fd
, const char *vendor
)
1444 drmVersionPtr ver
= drmGetVersion(fd
);
1448 if (strcmp(vendor
, ver
->name
) != 0) {
1449 drmFreeVersion(ver
);
1453 drmFreeVersion(ver
);
1458 droid_probe_device(_EGLDisplay
*disp
, bool swrast
)
1460 /* Check that the device is supported, by attempting to:
1461 * - load the dri module
1462 * - and, create a screen
1464 if (!droid_load_driver(disp
, swrast
))
1467 if (!dri2_create_screen(disp
)) {
1468 _eglLog(_EGL_WARNING
, "DRI2: failed to create screen");
1469 droid_unload_driver(disp
);
1475 #ifdef HAVE_DRM_GRALLOC
1477 droid_open_device(_EGLDisplay
*disp
, bool swrast
)
1479 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1480 int fd
= -1, err
= -EINVAL
;
1485 if (dri2_dpy
->gralloc
->perform
)
1486 err
= dri2_dpy
->gralloc
->perform(dri2_dpy
->gralloc
,
1487 GRALLOC_MODULE_PERFORM_GET_DRM_FD
,
1489 if (err
|| fd
< 0) {
1490 _eglLog(_EGL_WARNING
, "fail to get drm fd");
1494 dri2_dpy
->fd
= os_dupfd_cloexec(fd
);
1495 if (dri2_dpy
->fd
< 0)
1498 if (drmGetNodeTypeFromFd(dri2_dpy
->fd
) == DRM_NODE_RENDER
)
1501 return droid_probe_device(disp
, swrast
);
1505 droid_open_device(_EGLDisplay
*disp
, bool swrast
)
1507 #define MAX_DRM_DEVICES 64
1508 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1509 drmDevicePtr device
, devices
[MAX_DRM_DEVICES
] = { NULL
};
1512 char *vendor_name
= NULL
;
1513 char vendor_buf
[PROPERTY_VALUE_MAX
];
1515 #ifdef EGL_FORCE_RENDERNODE
1516 const unsigned node_type
= DRM_NODE_RENDER
;
1518 const unsigned node_type
= swrast
? DRM_NODE_PRIMARY
: DRM_NODE_RENDER
;
1521 if (property_get("drm.gpu.vendor_name", vendor_buf
, NULL
) > 0)
1522 vendor_name
= vendor_buf
;
1524 num_devices
= drmGetDevices2(0, devices
, ARRAY_SIZE(devices
));
1525 if (num_devices
< 0)
1528 for (int i
= 0; i
< num_devices
; i
++) {
1529 device
= devices
[i
];
1531 if (!(device
->available_nodes
& (1 << node_type
)))
1534 dri2_dpy
->fd
= loader_open_device(device
->nodes
[node_type
]);
1535 if (dri2_dpy
->fd
< 0) {
1536 _eglLog(_EGL_WARNING
, "%s() Failed to open DRM device %s",
1537 __func__
, device
->nodes
[node_type
]);
1541 /* If a vendor is explicitly provided, we use only that.
1542 * Otherwise we fall-back the first device that is supported.
1545 if (droid_filter_device(disp
, dri2_dpy
->fd
, vendor_name
)) {
1546 /* Device does not match - try next device */
1547 close(dri2_dpy
->fd
);
1551 /* If the requested device matches - use it. Regardless if
1552 * init fails, do not fall-back to any other device.
1554 if (!droid_probe_device(disp
, false)) {
1555 close(dri2_dpy
->fd
);
1561 if (droid_probe_device(disp
, swrast
))
1564 /* No explicit request - attempt the next device */
1565 close(dri2_dpy
->fd
);
1568 drmFreeDevices(devices
, num_devices
);
1570 if (dri2_dpy
->fd
< 0) {
1571 _eglLog(_EGL_WARNING
, "Failed to open %s DRM device",
1572 vendor_name
? "desired": "any");
1577 #undef MAX_DRM_DEVICES
1583 dri2_initialize_android(_EGLDisplay
*disp
)
1586 bool device_opened
= false;
1587 struct dri2_egl_display
*dri2_dpy
;
1591 dri2_dpy
= calloc(1, sizeof(*dri2_dpy
));
1593 return _eglError(EGL_BAD_ALLOC
, "eglInitialize");
1596 ret
= hw_get_module(GRALLOC_HARDWARE_MODULE_ID
,
1597 (const hw_module_t
**)&dri2_dpy
->gralloc
);
1599 err
= "DRI2: failed to get gralloc module";
1603 disp
->DriverData
= (void *) dri2_dpy
;
1604 device_opened
= droid_open_device(disp
, disp
->Options
.ForceSoftware
);
1606 if (!device_opened
) {
1607 err
= "DRI2: failed to open device";
1611 dev
= _eglAddDevice(dri2_dpy
->fd
, false);
1613 err
= "DRI2: failed to find EGLDevice";
1619 if (!dri2_setup_extensions(disp
)) {
1620 err
= "DRI2: failed to setup extensions";
1624 dri2_setup_screen(disp
);
1626 /* We set the maximum swap interval as 1 for Android platform, since it is
1627 * the maximum value supported by Android according to the value of
1628 * ANativeWindow::maxSwapInterval.
1630 dri2_setup_swap_interval(disp
, 1);
1632 disp
->Extensions
.ANDROID_framebuffer_target
= EGL_TRUE
;
1633 disp
->Extensions
.ANDROID_image_native_buffer
= EGL_TRUE
;
1634 disp
->Extensions
.ANDROID_recordable
= EGL_TRUE
;
1636 /* Querying buffer age requires a buffer to be dequeued. Without
1637 * EGL_ANDROID_native_fence_sync, dequeue might call eglClientWaitSync and
1638 * result in a deadlock (the lock is already held by eglQuerySurface).
1640 if (disp
->Extensions
.ANDROID_native_fence_sync
) {
1641 disp
->Extensions
.EXT_buffer_age
= EGL_TRUE
;
1643 /* disable KHR_partial_update that might have been enabled in
1646 disp
->Extensions
.KHR_partial_update
= EGL_FALSE
;
1649 disp
->Extensions
.KHR_image
= EGL_TRUE
;
1650 #if ANDROID_API_LEVEL >= 24
1651 if (dri2_dpy
->mutable_render_buffer
&&
1652 dri2_dpy
->loader_extensions
== droid_image_loader_extensions
) {
1653 disp
->Extensions
.KHR_mutable_render_buffer
= EGL_TRUE
;
1657 /* Create configs *after* enabling extensions because presence of DRI
1658 * driver extensions can affect the capabilities of EGLConfigs.
1660 if (!droid_add_configs_for_visuals(disp
)) {
1661 err
= "DRI2: failed to add configs";
1665 /* Fill vtbl last to prevent accidentally calling virtual function during
1668 dri2_dpy
->vtbl
= &droid_display_vtbl
;
1673 dri2_display_destroy(disp
);
1674 return _eglError(EGL_NOT_INITIALIZED
, err
);