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>
44 #include "egl_dri2_fallbacks.h"
46 #ifdef HAVE_DRM_GRALLOC
47 #include <gralloc_drm_handle.h>
48 #include "gralloc_drm.h"
49 #endif /* HAVE_DRM_GRALLOC */
51 #define ALIGN(val, align) (((val) + (align) - 1) & ~((align) - 1))
58 struct droid_yuv_format
{
60 int native
; /* HAL_PIXEL_FORMAT_ */
61 enum chroma_order chroma_order
; /* chroma order is {Cb, Cr} or {Cr, Cb} */
62 int chroma_step
; /* Distance in bytes between subsequent chroma pixels. */
65 int fourcc
; /* DRM_FORMAT_ */
68 /* The following table is used to look up a DRI image FourCC based
69 * on native format and information contained in android_ycbcr struct. */
70 static const struct droid_yuv_format droid_yuv_formats
[] = {
71 /* Native format, YCrCb, Chroma step, DRI image FourCC */
72 { HAL_PIXEL_FORMAT_YCbCr_420_888
, YCbCr
, 2, DRM_FORMAT_NV12
},
73 { HAL_PIXEL_FORMAT_YCbCr_420_888
, YCbCr
, 1, DRM_FORMAT_YUV420
},
74 { HAL_PIXEL_FORMAT_YCbCr_420_888
, YCrCb
, 1, DRM_FORMAT_YVU420
},
75 { HAL_PIXEL_FORMAT_YV12
, YCrCb
, 1, DRM_FORMAT_YVU420
},
76 /* HACK: See droid_create_image_from_prime_fds() and
77 * https://issuetracker.google.com/32077885. */
78 { HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
, YCbCr
, 2, DRM_FORMAT_NV12
},
79 { HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
, YCbCr
, 1, DRM_FORMAT_YUV420
},
80 { HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
, YCrCb
, 1, DRM_FORMAT_YVU420
},
81 { HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
, YCrCb
, 1, DRM_FORMAT_AYUV
},
82 { HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
, YCrCb
, 1, DRM_FORMAT_XYUV8888
},
86 get_fourcc_yuv(int native
, enum chroma_order chroma_order
, int chroma_step
)
88 for (int i
= 0; i
< ARRAY_SIZE(droid_yuv_formats
); ++i
)
89 if (droid_yuv_formats
[i
].native
== native
&&
90 droid_yuv_formats
[i
].chroma_order
== chroma_order
&&
91 droid_yuv_formats
[i
].chroma_step
== chroma_step
)
92 return droid_yuv_formats
[i
].fourcc
;
100 for (int i
= 0; i
< ARRAY_SIZE(droid_yuv_formats
); ++i
)
101 if (droid_yuv_formats
[i
].native
== native
)
108 get_format_bpp(int native
)
113 case HAL_PIXEL_FORMAT_RGBA_FP16
:
116 case HAL_PIXEL_FORMAT_RGBA_8888
:
117 case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
:
119 * HACK: Hardcode this to RGBX_8888 as per cros_gralloc hack.
120 * TODO: Remove this once https://issuetracker.google.com/32077885 is fixed.
122 case HAL_PIXEL_FORMAT_RGBX_8888
:
123 case HAL_PIXEL_FORMAT_BGRA_8888
:
124 case HAL_PIXEL_FORMAT_RGBA_1010102
:
127 case HAL_PIXEL_FORMAT_RGB_565
:
138 /* createImageFromFds requires fourcc format */
139 static int get_fourcc(int native
)
142 case HAL_PIXEL_FORMAT_RGB_565
: return DRM_FORMAT_RGB565
;
143 case HAL_PIXEL_FORMAT_BGRA_8888
: return DRM_FORMAT_ARGB8888
;
144 case HAL_PIXEL_FORMAT_RGBA_8888
: return DRM_FORMAT_ABGR8888
;
145 case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
:
147 * HACK: Hardcode this to RGBX_8888 as per cros_gralloc hack.
148 * TODO: Remove this once https://issuetracker.google.com/32077885 is fixed.
150 case HAL_PIXEL_FORMAT_RGBX_8888
: return DRM_FORMAT_XBGR8888
;
151 case HAL_PIXEL_FORMAT_RGBA_FP16
: return DRM_FORMAT_ABGR16161616F
;
152 case HAL_PIXEL_FORMAT_RGBA_1010102
: return DRM_FORMAT_ABGR2101010
;
154 _eglLog(_EGL_WARNING
, "unsupported native buffer format 0x%x", native
);
159 static int get_format(int format
)
162 case HAL_PIXEL_FORMAT_BGRA_8888
: return __DRI_IMAGE_FORMAT_ARGB8888
;
163 case HAL_PIXEL_FORMAT_RGB_565
: return __DRI_IMAGE_FORMAT_RGB565
;
164 case HAL_PIXEL_FORMAT_RGBA_8888
: return __DRI_IMAGE_FORMAT_ABGR8888
;
165 case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
:
167 * HACK: Hardcode this to RGBX_8888 as per cros_gralloc hack.
168 * TODO: Revert this once https://issuetracker.google.com/32077885 is fixed.
170 case HAL_PIXEL_FORMAT_RGBX_8888
: return __DRI_IMAGE_FORMAT_XBGR8888
;
171 case HAL_PIXEL_FORMAT_RGBA_FP16
: return __DRI_IMAGE_FORMAT_ABGR16161616F
;
172 case HAL_PIXEL_FORMAT_RGBA_1010102
: return __DRI_IMAGE_FORMAT_ABGR2101010
;
174 _eglLog(_EGL_WARNING
, "unsupported native buffer format 0x%x", format
);
179 /* returns # of fds, and by reference the actual fds */
181 get_native_buffer_fds(struct ANativeWindowBuffer
*buf
, int fds
[3])
183 native_handle_t
*handle
= (native_handle_t
*)buf
->handle
;
189 * Various gralloc implementations exist, but the dma-buf fd tends
190 * to be first. Access it directly to avoid a dependency on specific
193 for (int i
= 0; i
< handle
->numFds
; i
++)
194 fds
[i
] = handle
->data
[i
];
196 return handle
->numFds
;
199 #ifdef HAVE_DRM_GRALLOC
201 get_native_buffer_name(struct ANativeWindowBuffer
*buf
)
203 return gralloc_drm_get_gem_handle(buf
->handle
);
205 #endif /* HAVE_DRM_GRALLOC */
208 droid_window_dequeue_buffer(struct dri2_egl_surface
*dri2_surf
)
212 if (dri2_surf
->window
->dequeueBuffer(dri2_surf
->window
, &dri2_surf
->buffer
,
216 /* If access to the buffer is controlled by a sync fence, then block on the
219 * It may be more performant to postpone blocking until there is an
220 * immediate need to write to the buffer. But doing so would require adding
221 * hooks to the DRI2 loader.
223 * From the ANativeWindow::dequeueBuffer documentation:
225 * The libsync fence file descriptor returned in the int pointed to by
226 * the fenceFd argument will refer to the fence that must signal
227 * before the dequeued buffer may be written to. A value of -1
228 * indicates that the caller may access the buffer immediately without
229 * waiting on a fence. If a valid file descriptor is returned (i.e.
230 * any value except -1) then the caller is responsible for closing the
234 /* From the SYNC_IOC_WAIT documentation in <linux/sync.h>:
236 * Waits indefinitely if timeout < 0.
239 sync_wait(fence_fd
, timeout
);
243 /* Record all the buffers created by ANativeWindow and update back buffer
244 * for updating buffer's age in swap_buffers.
246 EGLBoolean updated
= EGL_FALSE
;
247 for (int i
= 0; i
< dri2_surf
->color_buffers_count
; i
++) {
248 if (!dri2_surf
->color_buffers
[i
].buffer
) {
249 dri2_surf
->color_buffers
[i
].buffer
= dri2_surf
->buffer
;
251 if (dri2_surf
->color_buffers
[i
].buffer
== dri2_surf
->buffer
) {
252 dri2_surf
->back
= &dri2_surf
->color_buffers
[i
];
259 /* In case of all the buffers were recreated by ANativeWindow, reset
262 for (int i
= 0; i
< dri2_surf
->color_buffers_count
; i
++) {
263 dri2_surf
->color_buffers
[i
].buffer
= NULL
;
264 dri2_surf
->color_buffers
[i
].age
= 0;
266 dri2_surf
->color_buffers
[0].buffer
= dri2_surf
->buffer
;
267 dri2_surf
->back
= &dri2_surf
->color_buffers
[0];
274 droid_window_enqueue_buffer(_EGLDisplay
*disp
, struct dri2_egl_surface
*dri2_surf
)
276 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
278 /* To avoid blocking other EGL calls, release the display mutex before
279 * we enter droid_window_enqueue_buffer() and re-acquire the mutex upon
282 mtx_unlock(&disp
->Mutex
);
284 /* Queue the buffer with stored out fence fd. The ANativeWindow or buffer
285 * consumer may choose to wait for the fence to signal before accessing
286 * it. If fence fd value is -1, buffer can be accessed by consumer
287 * immediately. Consumer or application shouldn't rely on timestamp
288 * associated with fence if the fence fd is -1.
290 * Ownership of fd is transferred to consumer after queueBuffer and the
291 * consumer is responsible for closing it. Caller must not use the fd
292 * after passing it to queueBuffer.
294 int fence_fd
= dri2_surf
->out_fence_fd
;
295 dri2_surf
->out_fence_fd
= -1;
296 dri2_surf
->window
->queueBuffer(dri2_surf
->window
, dri2_surf
->buffer
,
299 dri2_surf
->buffer
= NULL
;
300 dri2_surf
->back
= NULL
;
302 mtx_lock(&disp
->Mutex
);
304 if (dri2_surf
->dri_image_back
) {
305 dri2_dpy
->image
->destroyImage(dri2_surf
->dri_image_back
);
306 dri2_surf
->dri_image_back
= NULL
;
313 droid_window_cancel_buffer(struct dri2_egl_surface
*dri2_surf
)
316 int fence_fd
= dri2_surf
->out_fence_fd
;
318 dri2_surf
->out_fence_fd
= -1;
319 ret
= dri2_surf
->window
->cancelBuffer(dri2_surf
->window
,
320 dri2_surf
->buffer
, fence_fd
);
321 dri2_surf
->buffer
= NULL
;
323 _eglLog(_EGL_WARNING
, "ANativeWindow::cancelBuffer failed");
324 dri2_surf
->base
.Lost
= EGL_TRUE
;
329 droid_set_shared_buffer_mode(_EGLDisplay
*disp
, _EGLSurface
*surf
, bool mode
)
331 #if ANDROID_API_LEVEL >= 24
332 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
333 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
334 struct ANativeWindow
*window
= dri2_surf
->window
;
336 assert(surf
->Type
== EGL_WINDOW_BIT
);
337 assert(_eglSurfaceHasMutableRenderBuffer(&dri2_surf
->base
));
339 _eglLog(_EGL_DEBUG
, "%s: mode=%d", __func__
, mode
);
341 if (native_window_set_shared_buffer_mode(window
, mode
)) {
342 _eglLog(_EGL_WARNING
, "failed native_window_set_shared_buffer_mode"
343 "(window=%p, mode=%d)", window
, mode
);
349 _eglLog(_EGL_FATAL
, "%s:%d: internal error: unreachable", __FILE__
, __LINE__
);
355 droid_create_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
, EGLint type
,
356 _EGLConfig
*conf
, void *native_window
,
357 const EGLint
*attrib_list
)
359 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
360 struct dri2_egl_config
*dri2_conf
= dri2_egl_config(conf
);
361 struct dri2_egl_surface
*dri2_surf
;
362 struct ANativeWindow
*window
= native_window
;
363 const __DRIconfig
*config
;
365 dri2_surf
= calloc(1, sizeof *dri2_surf
);
367 _eglError(EGL_BAD_ALLOC
, "droid_create_surface");
371 if (!dri2_init_surface(&dri2_surf
->base
, disp
, type
, conf
, attrib_list
,
372 true, native_window
))
373 goto cleanup_surface
;
375 if (type
== EGL_WINDOW_BIT
) {
379 if (window
->common
.magic
!= ANDROID_NATIVE_WINDOW_MAGIC
) {
380 _eglError(EGL_BAD_NATIVE_WINDOW
, "droid_create_surface");
381 goto cleanup_surface
;
383 if (window
->query(window
, NATIVE_WINDOW_FORMAT
, &format
)) {
384 _eglError(EGL_BAD_NATIVE_WINDOW
, "droid_create_surface");
385 goto cleanup_surface
;
388 /* Query ANativeWindow for MIN_UNDEQUEUED_BUFFER, set buffer count
389 * and allocate color_buffers.
391 if (window
->query(window
, NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS
,
393 _eglError(EGL_BAD_NATIVE_WINDOW
, "droid_create_surface");
394 goto cleanup_surface
;
396 if (native_window_set_buffer_count(window
, buffer_count
+1)) {
397 _eglError(EGL_BAD_NATIVE_WINDOW
, "droid_create_surface");
398 goto cleanup_surface
;
400 dri2_surf
->color_buffers
= calloc(buffer_count
+1,
401 sizeof(*dri2_surf
->color_buffers
));
402 if (!dri2_surf
->color_buffers
) {
403 _eglError(EGL_BAD_ALLOC
, "droid_create_surface");
404 goto cleanup_surface
;
406 dri2_surf
->color_buffers_count
= buffer_count
+1;
408 if (format
!= dri2_conf
->base
.NativeVisualID
) {
409 _eglLog(_EGL_WARNING
, "Native format mismatch: 0x%x != 0x%x",
410 format
, dri2_conf
->base
.NativeVisualID
);
413 window
->query(window
, NATIVE_WINDOW_WIDTH
, &dri2_surf
->base
.Width
);
414 window
->query(window
, NATIVE_WINDOW_HEIGHT
, &dri2_surf
->base
.Height
);
417 config
= dri2_get_dri_config(dri2_conf
, type
,
418 dri2_surf
->base
.GLColorspace
);
420 _eglError(EGL_BAD_MATCH
, "Unsupported surfacetype/colorspace configuration");
421 goto cleanup_surface
;
424 if (!dri2_create_drawable(dri2_dpy
, config
, dri2_surf
, dri2_surf
))
425 goto cleanup_surface
;
428 window
->common
.incRef(&window
->common
);
429 dri2_surf
->window
= window
;
432 return &dri2_surf
->base
;
435 if (dri2_surf
->color_buffers_count
)
436 free(dri2_surf
->color_buffers
);
443 droid_create_window_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
444 _EGLConfig
*conf
, void *native_window
,
445 const EGLint
*attrib_list
)
447 return droid_create_surface(drv
, disp
, EGL_WINDOW_BIT
, conf
,
448 native_window
, attrib_list
);
452 droid_create_pbuffer_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
453 _EGLConfig
*conf
, const EGLint
*attrib_list
)
455 return droid_create_surface(drv
, disp
, EGL_PBUFFER_BIT
, conf
,
460 droid_destroy_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*surf
)
462 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
463 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
465 dri2_egl_surface_free_local_buffers(dri2_surf
);
467 if (dri2_surf
->base
.Type
== EGL_WINDOW_BIT
) {
468 if (dri2_surf
->buffer
)
469 droid_window_cancel_buffer(dri2_surf
);
471 dri2_surf
->window
->common
.decRef(&dri2_surf
->window
->common
);
474 if (dri2_surf
->dri_image_back
) {
475 _eglLog(_EGL_DEBUG
, "%s : %d : destroy dri_image_back", __func__
, __LINE__
);
476 dri2_dpy
->image
->destroyImage(dri2_surf
->dri_image_back
);
477 dri2_surf
->dri_image_back
= NULL
;
480 if (dri2_surf
->dri_image_front
) {
481 _eglLog(_EGL_DEBUG
, "%s : %d : destroy dri_image_front", __func__
, __LINE__
);
482 dri2_dpy
->image
->destroyImage(dri2_surf
->dri_image_front
);
483 dri2_surf
->dri_image_front
= NULL
;
486 dri2_dpy
->core
->destroyDrawable(dri2_surf
->dri_drawable
);
488 dri2_fini_surface(surf
);
489 free(dri2_surf
->color_buffers
);
496 droid_swap_interval(_EGLDriver
*drv
, _EGLDisplay
*disp
,
497 _EGLSurface
*surf
, EGLint interval
)
499 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
500 struct ANativeWindow
*window
= dri2_surf
->window
;
502 if (window
->setSwapInterval(window
, interval
))
505 surf
->SwapInterval
= interval
;
510 update_buffers(struct dri2_egl_surface
*dri2_surf
)
512 if (dri2_surf
->base
.Lost
)
515 if (dri2_surf
->base
.Type
!= EGL_WINDOW_BIT
)
518 /* try to dequeue the next back buffer */
519 if (!dri2_surf
->buffer
&& !droid_window_dequeue_buffer(dri2_surf
)) {
520 _eglLog(_EGL_WARNING
, "Could not dequeue buffer from native window");
521 dri2_surf
->base
.Lost
= EGL_TRUE
;
525 /* free outdated buffers and update the surface size */
526 if (dri2_surf
->base
.Width
!= dri2_surf
->buffer
->width
||
527 dri2_surf
->base
.Height
!= dri2_surf
->buffer
->height
) {
528 dri2_egl_surface_free_local_buffers(dri2_surf
);
529 dri2_surf
->base
.Width
= dri2_surf
->buffer
->width
;
530 dri2_surf
->base
.Height
= dri2_surf
->buffer
->height
;
537 get_front_bo(struct dri2_egl_surface
*dri2_surf
, unsigned int format
)
539 struct dri2_egl_display
*dri2_dpy
=
540 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
542 if (dri2_surf
->dri_image_front
)
545 if (dri2_surf
->base
.Type
== EGL_WINDOW_BIT
) {
546 /* According current EGL spec, front buffer rendering
547 * for window surface is not supported now.
548 * and mesa doesn't have the implementation of this case.
549 * Add warning message, but not treat it as error.
551 _eglLog(_EGL_DEBUG
, "DRI driver requested unsupported front buffer for window surface");
552 } else if (dri2_surf
->base
.Type
== EGL_PBUFFER_BIT
) {
553 dri2_surf
->dri_image_front
=
554 dri2_dpy
->image
->createImage(dri2_dpy
->dri_screen
,
555 dri2_surf
->base
.Width
,
556 dri2_surf
->base
.Height
,
560 if (!dri2_surf
->dri_image_front
) {
561 _eglLog(_EGL_WARNING
, "dri2_image_front allocation failed");
570 get_back_bo(struct dri2_egl_surface
*dri2_surf
)
572 struct dri2_egl_display
*dri2_dpy
=
573 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
575 int offset
= 0, fds
[3];
578 if (dri2_surf
->dri_image_back
)
581 if (dri2_surf
->base
.Type
== EGL_WINDOW_BIT
) {
582 if (!dri2_surf
->buffer
) {
583 _eglLog(_EGL_WARNING
, "Could not get native buffer");
587 num_fds
= get_native_buffer_fds(dri2_surf
->buffer
, fds
);
589 _eglLog(_EGL_WARNING
, "Could not get native buffer FD");
593 fourcc
= get_fourcc(dri2_surf
->buffer
->format
);
595 pitch
= dri2_surf
->buffer
->stride
*
596 get_format_bpp(dri2_surf
->buffer
->format
);
598 if (fourcc
== -1 || pitch
== 0) {
599 _eglLog(_EGL_WARNING
, "Invalid buffer fourcc(%x) or pitch(%d)",
604 dri2_surf
->dri_image_back
=
605 dri2_dpy
->image
->createImageFromFds(dri2_dpy
->dri_screen
,
606 dri2_surf
->base
.Width
,
607 dri2_surf
->base
.Height
,
614 if (!dri2_surf
->dri_image_back
) {
615 _eglLog(_EGL_WARNING
, "failed to create DRI image from FD");
618 } else if (dri2_surf
->base
.Type
== EGL_PBUFFER_BIT
) {
619 /* The EGL 1.5 spec states that pbuffers are single-buffered. Specifically,
620 * the spec states that they have a back buffer but no front buffer, in
621 * contrast to pixmaps, which have a front buffer but no back buffer.
623 * Single-buffered surfaces with no front buffer confuse Mesa; so we deviate
624 * from the spec, following the precedent of Mesa's EGL X11 platform. The
625 * X11 platform correctly assigns pbuffers to single-buffered configs, but
626 * assigns the pbuffer a front buffer instead of a back buffer.
628 * Pbuffers in the X11 platform mostly work today, so let's just copy its
629 * behavior instead of trying to fix (and hence potentially breaking) the
632 _eglLog(_EGL_DEBUG
, "DRI driver requested unsupported back buffer for pbuffer surface");
638 /* Some drivers will pass multiple bits in buffer_mask.
639 * For such case, will go through all the bits, and
640 * will not return error when unsupported buffer is requested, only
641 * return error when the allocation for supported buffer failed.
644 droid_image_get_buffers(__DRIdrawable
*driDrawable
,
648 uint32_t buffer_mask
,
649 struct __DRIimageList
*images
)
651 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
653 images
->image_mask
= 0;
654 images
->front
= NULL
;
657 if (update_buffers(dri2_surf
) < 0)
660 if (_eglSurfaceInSharedBufferMode(&dri2_surf
->base
)) {
661 if (get_back_bo(dri2_surf
) < 0)
664 /* We have dri_image_back because this is a window surface and
665 * get_back_bo() succeeded.
667 assert(dri2_surf
->dri_image_back
);
668 images
->back
= dri2_surf
->dri_image_back
;
669 images
->image_mask
|= __DRI_IMAGE_BUFFER_SHARED
;
671 /* There exists no accompanying back nor front buffer. */
675 if (buffer_mask
& __DRI_IMAGE_BUFFER_FRONT
) {
676 if (get_front_bo(dri2_surf
, format
) < 0)
679 if (dri2_surf
->dri_image_front
) {
680 images
->front
= dri2_surf
->dri_image_front
;
681 images
->image_mask
|= __DRI_IMAGE_BUFFER_FRONT
;
685 if (buffer_mask
& __DRI_IMAGE_BUFFER_BACK
) {
686 if (get_back_bo(dri2_surf
) < 0)
689 if (dri2_surf
->dri_image_back
) {
690 images
->back
= dri2_surf
->dri_image_back
;
691 images
->image_mask
|= __DRI_IMAGE_BUFFER_BACK
;
699 droid_query_buffer_age(_EGLDriver
*drv
,
700 _EGLDisplay
*disp
, _EGLSurface
*surface
)
702 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surface
);
704 if (update_buffers(dri2_surf
) < 0) {
705 _eglError(EGL_BAD_ALLOC
, "droid_query_buffer_age");
709 return dri2_surf
->back
? dri2_surf
->back
->age
: 0;
713 droid_swap_buffers(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*draw
)
715 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
716 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(draw
);
717 const bool has_mutable_rb
= _eglSurfaceHasMutableRenderBuffer(draw
);
719 /* From the EGL_KHR_mutable_render_buffer spec (v12):
721 * If surface is a single-buffered window, pixmap, or pbuffer surface
722 * for which there is no pending change to the EGL_RENDER_BUFFER
723 * attribute, eglSwapBuffers has no effect.
725 if (has_mutable_rb
&&
726 draw
->RequestedRenderBuffer
== EGL_SINGLE_BUFFER
&&
727 draw
->ActiveRenderBuffer
== EGL_SINGLE_BUFFER
) {
728 _eglLog(_EGL_DEBUG
, "%s: remain in shared buffer mode", __func__
);
732 for (int i
= 0; i
< dri2_surf
->color_buffers_count
; i
++) {
733 if (dri2_surf
->color_buffers
[i
].age
> 0)
734 dri2_surf
->color_buffers
[i
].age
++;
737 /* "XXX: we don't use get_back_bo() since it causes regressions in
738 * several dEQP tests.
741 dri2_surf
->back
->age
= 1;
743 dri2_flush_drawable_for_swapbuffers(disp
, draw
);
745 /* dri2_surf->buffer can be null even when no error has occured. For
746 * example, if the user has called no GL rendering commands since the
747 * previous eglSwapBuffers, then the driver may have not triggered
748 * a callback to ANativeWindow::dequeueBuffer, in which case
749 * dri2_surf->buffer remains null.
751 if (dri2_surf
->buffer
)
752 droid_window_enqueue_buffer(disp
, dri2_surf
);
754 dri2_dpy
->flush
->invalidate(dri2_surf
->dri_drawable
);
756 /* Update the shared buffer mode */
757 if (has_mutable_rb
&&
758 draw
->ActiveRenderBuffer
!= draw
->RequestedRenderBuffer
) {
759 bool mode
= (draw
->RequestedRenderBuffer
== EGL_SINGLE_BUFFER
);
760 _eglLog(_EGL_DEBUG
, "%s: change to shared buffer mode %d",
763 if (!droid_set_shared_buffer_mode(disp
, draw
, mode
))
765 draw
->ActiveRenderBuffer
= draw
->RequestedRenderBuffer
;
772 droid_create_image_from_prime_fds_yuv(_EGLDisplay
*disp
, _EGLContext
*ctx
,
773 struct ANativeWindowBuffer
*buf
,
774 int num_fds
, int fds
[3])
776 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
777 struct android_ycbcr ycbcr
;
780 enum chroma_order chroma_order
;
784 if (!dri2_dpy
->gralloc
->lock_ycbcr
) {
785 _eglLog(_EGL_WARNING
, "Gralloc does not support lock_ycbcr");
789 memset(&ycbcr
, 0, sizeof(ycbcr
));
790 ret
= dri2_dpy
->gralloc
->lock_ycbcr(dri2_dpy
->gralloc
, buf
->handle
,
791 0, 0, 0, 0, 0, &ycbcr
);
793 /* HACK: See droid_create_image_from_prime_fds() and
794 * https://issuetracker.google.com/32077885.*/
795 if (buf
->format
== HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
)
798 _eglLog(_EGL_WARNING
, "gralloc->lock_ycbcr failed: %d", ret
);
801 dri2_dpy
->gralloc
->unlock(dri2_dpy
->gralloc
, buf
->handle
);
803 /* When lock_ycbcr's usage argument contains no SW_READ/WRITE flags
804 * it will return the .y/.cb/.cr pointers based on a NULL pointer,
805 * so they can be interpreted as offsets. */
806 offsets
[0] = (size_t)ycbcr
.y
;
807 /* We assume here that all the planes are located in one DMA-buf. */
808 if ((size_t)ycbcr
.cr
< (size_t)ycbcr
.cb
) {
809 chroma_order
= YCrCb
;
810 offsets
[1] = (size_t)ycbcr
.cr
;
811 offsets
[2] = (size_t)ycbcr
.cb
;
813 chroma_order
= YCbCr
;
814 offsets
[1] = (size_t)ycbcr
.cb
;
815 offsets
[2] = (size_t)ycbcr
.cr
;
818 /* .ystride is the line length (in bytes) of the Y plane,
819 * .cstride is the line length (in bytes) of any of the remaining
820 * Cb/Cr/CbCr planes, assumed to be the same for Cb and Cr for fully
822 pitches
[0] = ycbcr
.ystride
;
823 pitches
[1] = pitches
[2] = ycbcr
.cstride
;
825 /* .chroma_step is the byte distance between the same chroma channel
826 * values of subsequent pixels, assumed to be the same for Cb and Cr. */
827 fourcc
= get_fourcc_yuv(buf
->format
, chroma_order
, ycbcr
.chroma_step
);
829 _eglLog(_EGL_WARNING
, "unsupported YUV format, native = %x, chroma_order = %s, chroma_step = %d",
830 buf
->format
, chroma_order
== YCbCr
? "YCbCr" : "YCrCb", ycbcr
.chroma_step
);
835 * Since this is EGL_NATIVE_BUFFER_ANDROID don't assume that
836 * the single-fd case cannot happen. So handle eithe single
837 * fd or fd-per-plane case:
840 fds
[2] = fds
[1] = fds
[0];
842 int expected_planes
= (ycbcr
.chroma_step
== 2) ? 2 : 3;
843 assert(num_fds
== expected_planes
);
846 if (ycbcr
.chroma_step
== 2) {
847 /* Semi-planar Y + CbCr or Y + CrCb format. */
848 const EGLint attr_list_2plane
[] = {
849 EGL_WIDTH
, buf
->width
,
850 EGL_HEIGHT
, buf
->height
,
851 EGL_LINUX_DRM_FOURCC_EXT
, fourcc
,
852 EGL_DMA_BUF_PLANE0_FD_EXT
, fds
[0],
853 EGL_DMA_BUF_PLANE0_PITCH_EXT
, pitches
[0],
854 EGL_DMA_BUF_PLANE0_OFFSET_EXT
, offsets
[0],
855 EGL_DMA_BUF_PLANE1_FD_EXT
, fds
[1],
856 EGL_DMA_BUF_PLANE1_PITCH_EXT
, pitches
[1],
857 EGL_DMA_BUF_PLANE1_OFFSET_EXT
, offsets
[1],
861 return dri2_create_image_dma_buf(disp
, ctx
, NULL
, attr_list_2plane
);
863 /* Fully planar Y + Cb + Cr or Y + Cr + Cb format. */
864 const EGLint attr_list_3plane
[] = {
865 EGL_WIDTH
, buf
->width
,
866 EGL_HEIGHT
, buf
->height
,
867 EGL_LINUX_DRM_FOURCC_EXT
, fourcc
,
868 EGL_DMA_BUF_PLANE0_FD_EXT
, fds
[0],
869 EGL_DMA_BUF_PLANE0_PITCH_EXT
, pitches
[0],
870 EGL_DMA_BUF_PLANE0_OFFSET_EXT
, offsets
[0],
871 EGL_DMA_BUF_PLANE1_FD_EXT
, fds
[1],
872 EGL_DMA_BUF_PLANE1_PITCH_EXT
, pitches
[1],
873 EGL_DMA_BUF_PLANE1_OFFSET_EXT
, offsets
[1],
874 EGL_DMA_BUF_PLANE2_FD_EXT
, fds
[2],
875 EGL_DMA_BUF_PLANE2_PITCH_EXT
, pitches
[2],
876 EGL_DMA_BUF_PLANE2_OFFSET_EXT
, offsets
[2],
880 return dri2_create_image_dma_buf(disp
, ctx
, NULL
, attr_list_3plane
);
885 droid_create_image_from_prime_fds(_EGLDisplay
*disp
, _EGLContext
*ctx
,
886 struct ANativeWindowBuffer
*buf
, int num_fds
, int fds
[3])
890 if (is_yuv(buf
->format
)) {
893 image
= droid_create_image_from_prime_fds_yuv(disp
, ctx
, buf
, num_fds
, fds
);
895 * HACK: https://issuetracker.google.com/32077885
896 * There is no API available to properly query the IMPLEMENTATION_DEFINED
897 * format. As a workaround we rely here on gralloc allocating either
898 * an arbitrary YCbCr 4:2:0 or RGBX_8888, with the latter being recognized
899 * by lock_ycbcr failing.
901 if (image
|| buf
->format
!= HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
)
906 * Non-YUV formats could *also* have multiple planes, such as ancillary
907 * color compression state buffer, but the rest of the code isn't ready
908 * yet to deal with modifiers:
910 assert(num_fds
== 1);
912 const int fourcc
= get_fourcc(buf
->format
);
914 _eglError(EGL_BAD_PARAMETER
, "eglCreateEGLImageKHR");
918 pitch
= buf
->stride
* get_format_bpp(buf
->format
);
920 _eglError(EGL_BAD_PARAMETER
, "eglCreateEGLImageKHR");
924 const EGLint attr_list
[] = {
925 EGL_WIDTH
, buf
->width
,
926 EGL_HEIGHT
, buf
->height
,
927 EGL_LINUX_DRM_FOURCC_EXT
, fourcc
,
928 EGL_DMA_BUF_PLANE0_FD_EXT
, fds
[0],
929 EGL_DMA_BUF_PLANE0_PITCH_EXT
, pitch
,
930 EGL_DMA_BUF_PLANE0_OFFSET_EXT
, 0,
934 return dri2_create_image_dma_buf(disp
, ctx
, NULL
, attr_list
);
937 #ifdef HAVE_DRM_GRALLOC
939 droid_create_image_from_name(_EGLDisplay
*disp
, _EGLContext
*ctx
,
940 struct ANativeWindowBuffer
*buf
)
942 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
943 struct dri2_egl_image
*dri2_img
;
947 name
= get_native_buffer_name(buf
);
949 _eglError(EGL_BAD_PARAMETER
, "eglCreateEGLImageKHR");
953 format
= get_format(buf
->format
);
957 dri2_img
= calloc(1, sizeof(*dri2_img
));
959 _eglError(EGL_BAD_ALLOC
, "droid_create_image_mesa_drm");
963 _eglInitImage(&dri2_img
->base
, disp
);
965 dri2_img
->dri_image
=
966 dri2_dpy
->image
->createImageFromName(dri2_dpy
->dri_screen
,
973 if (!dri2_img
->dri_image
) {
975 _eglError(EGL_BAD_ALLOC
, "droid_create_image_mesa_drm");
979 return &dri2_img
->base
;
981 #endif /* HAVE_DRM_GRALLOC */
984 droid_query_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*surf
,
985 EGLint attribute
, EGLint
*value
)
987 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
990 if (dri2_surf
->base
.Type
== EGL_WINDOW_BIT
&& dri2_surf
->window
) {
991 dri2_surf
->window
->query(dri2_surf
->window
,
992 NATIVE_WINDOW_DEFAULT_WIDTH
, value
);
997 if (dri2_surf
->base
.Type
== EGL_WINDOW_BIT
&& dri2_surf
->window
) {
998 dri2_surf
->window
->query(dri2_surf
->window
,
999 NATIVE_WINDOW_DEFAULT_HEIGHT
, value
);
1006 return _eglQuerySurface(drv
, disp
, surf
, attribute
, value
);
1010 dri2_create_image_android_native_buffer(_EGLDisplay
*disp
,
1012 struct ANativeWindowBuffer
*buf
)
1018 /* From the EGL_ANDROID_image_native_buffer spec:
1020 * * If <target> is EGL_NATIVE_BUFFER_ANDROID and <ctx> is not
1021 * EGL_NO_CONTEXT, the error EGL_BAD_CONTEXT is generated.
1023 _eglError(EGL_BAD_CONTEXT
, "eglCreateEGLImageKHR: for "
1024 "EGL_NATIVE_BUFFER_ANDROID, the context must be "
1029 if (!buf
|| buf
->common
.magic
!= ANDROID_NATIVE_BUFFER_MAGIC
||
1030 buf
->common
.version
!= sizeof(*buf
)) {
1031 _eglError(EGL_BAD_PARAMETER
, "eglCreateEGLImageKHR");
1035 num_fds
= get_native_buffer_fds(buf
, fds
);
1037 return droid_create_image_from_prime_fds(disp
, ctx
, buf
, num_fds
, fds
);
1039 #ifdef HAVE_DRM_GRALLOC
1040 return droid_create_image_from_name(disp
, ctx
, buf
);
1047 droid_create_image_khr(_EGLDriver
*drv
, _EGLDisplay
*disp
,
1048 _EGLContext
*ctx
, EGLenum target
,
1049 EGLClientBuffer buffer
, const EGLint
*attr_list
)
1052 case EGL_NATIVE_BUFFER_ANDROID
:
1053 return dri2_create_image_android_native_buffer(disp
, ctx
,
1054 (struct ANativeWindowBuffer
*) buffer
);
1056 return dri2_create_image_khr(drv
, disp
, ctx
, target
, buffer
, attr_list
);
1061 droid_flush_front_buffer(__DRIdrawable
* driDrawable
, void *loaderPrivate
)
1065 #ifdef HAVE_DRM_GRALLOC
1067 droid_get_buffers_parse_attachments(struct dri2_egl_surface
*dri2_surf
,
1068 unsigned int *attachments
, int count
)
1070 int num_buffers
= 0;
1072 /* fill dri2_surf->buffers */
1073 for (int i
= 0; i
< count
* 2; i
+= 2) {
1074 __DRIbuffer
*buf
, *local
;
1076 assert(num_buffers
< ARRAY_SIZE(dri2_surf
->buffers
));
1077 buf
= &dri2_surf
->buffers
[num_buffers
];
1079 switch (attachments
[i
]) {
1080 case __DRI_BUFFER_BACK_LEFT
:
1081 if (dri2_surf
->base
.Type
== EGL_WINDOW_BIT
) {
1082 buf
->attachment
= attachments
[i
];
1083 buf
->name
= get_native_buffer_name(dri2_surf
->buffer
);
1084 buf
->cpp
= get_format_bpp(dri2_surf
->buffer
->format
);
1085 buf
->pitch
= dri2_surf
->buffer
->stride
* buf
->cpp
;
1093 /* fall through for pbuffers */
1094 case __DRI_BUFFER_DEPTH
:
1095 case __DRI_BUFFER_STENCIL
:
1096 case __DRI_BUFFER_ACCUM
:
1097 case __DRI_BUFFER_DEPTH_STENCIL
:
1098 case __DRI_BUFFER_HIZ
:
1099 local
= dri2_egl_surface_alloc_local_buffer(dri2_surf
,
1100 attachments
[i
], attachments
[i
+ 1]);
1107 case __DRI_BUFFER_FRONT_LEFT
:
1108 case __DRI_BUFFER_FRONT_RIGHT
:
1109 case __DRI_BUFFER_FAKE_FRONT_LEFT
:
1110 case __DRI_BUFFER_FAKE_FRONT_RIGHT
:
1111 case __DRI_BUFFER_BACK_RIGHT
:
1113 /* no front or right buffers */
1121 static __DRIbuffer
*
1122 droid_get_buffers_with_format(__DRIdrawable
* driDrawable
,
1123 int *width
, int *height
,
1124 unsigned int *attachments
, int count
,
1125 int *out_count
, void *loaderPrivate
)
1127 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
1129 if (update_buffers(dri2_surf
) < 0)
1132 *out_count
= droid_get_buffers_parse_attachments(dri2_surf
, attachments
, count
);
1135 *width
= dri2_surf
->base
.Width
;
1137 *height
= dri2_surf
->base
.Height
;
1139 return dri2_surf
->buffers
;
1141 #endif /* HAVE_DRM_GRALLOC */
1144 droid_get_capability(void *loaderPrivate
, enum dri_loader_cap cap
)
1146 /* Note: loaderPrivate is _EGLDisplay* */
1148 case DRI_LOADER_CAP_RGBA_ORDERING
:
1156 droid_add_configs_for_visuals(_EGLDriver
*drv
, _EGLDisplay
*disp
)
1158 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1159 static const struct {
1162 unsigned int rgba_sizes
[4];
1164 { HAL_PIXEL_FORMAT_RGBA_8888
, { 0, 8, 16, 24 }, { 8, 8, 8, 8 } },
1165 { HAL_PIXEL_FORMAT_RGBX_8888
, { 0, 8, 16, -1 }, { 8, 8, 8, 0 } },
1166 { HAL_PIXEL_FORMAT_RGB_565
, { 11, 5, 0, -1 }, { 5, 6, 5, 0 } },
1167 /* This must be after HAL_PIXEL_FORMAT_RGBA_8888, we only keep BGRA
1168 * visual if it turns out RGBA visual is not available.
1170 { HAL_PIXEL_FORMAT_BGRA_8888
, { 16, 8, 0, 24 }, { 8, 8, 8, 8 } },
1173 unsigned int format_count
[ARRAY_SIZE(visuals
)] = { 0 };
1174 int config_count
= 0;
1176 /* The nesting of loops is significant here. Also significant is the order
1177 * of the HAL pixel formats. Many Android apps (such as Google's official
1178 * NDK GLES2 example app), and even portions the core framework code (such
1179 * as SystemServiceManager in Nougat), incorrectly choose their EGLConfig.
1180 * They neglect to match the EGLConfig's EGL_NATIVE_VISUAL_ID against the
1181 * window's native format, and instead choose the first EGLConfig whose
1182 * channel sizes match those of the native window format while ignoring the
1183 * channel *ordering*.
1185 * We can detect such buggy clients in logcat when they call
1186 * eglCreateSurface, by detecting the mismatch between the EGLConfig's
1187 * format and the window's format.
1189 * As a workaround, we generate EGLConfigs such that all EGLConfigs for HAL
1190 * pixel format i precede those for HAL pixel format i+1. In my
1191 * (chadversary) testing on Android Nougat, this was good enough to pacify
1192 * the buggy clients.
1194 bool has_rgba
= false;
1195 for (int i
= 0; i
< ARRAY_SIZE(visuals
); i
++) {
1196 /* Only enable BGRA configs when RGBA is not available. BGRA configs are
1197 * buggy on stock Android.
1199 if (visuals
[i
].format
== HAL_PIXEL_FORMAT_BGRA_8888
&& has_rgba
)
1201 for (int j
= 0; dri2_dpy
->driver_configs
[j
]; j
++) {
1202 const EGLint surface_type
= EGL_WINDOW_BIT
| EGL_PBUFFER_BIT
;
1204 const EGLint config_attrs
[] = {
1205 EGL_NATIVE_VISUAL_ID
, visuals
[i
].format
,
1206 EGL_NATIVE_VISUAL_TYPE
, visuals
[i
].format
,
1207 EGL_FRAMEBUFFER_TARGET_ANDROID
, EGL_TRUE
,
1208 EGL_RECORDABLE_ANDROID
, EGL_TRUE
,
1212 struct dri2_egl_config
*dri2_conf
=
1213 dri2_add_config(disp
, dri2_dpy
->driver_configs
[j
],
1214 config_count
+ 1, surface_type
, config_attrs
,
1215 visuals
[i
].rgba_shifts
, visuals
[i
].rgba_sizes
);
1217 if (dri2_conf
->base
.ConfigID
== config_count
+ 1)
1222 if (visuals
[i
].format
== HAL_PIXEL_FORMAT_RGBA_8888
&& format_count
[i
])
1226 for (int i
= 0; i
< ARRAY_SIZE(format_count
); i
++) {
1227 if (!format_count
[i
]) {
1228 _eglLog(_EGL_DEBUG
, "No DRI config supports native format 0x%x",
1233 return (config_count
!= 0);
1236 static const struct dri2_egl_display_vtbl droid_display_vtbl
= {
1237 .authenticate
= NULL
,
1238 .create_window_surface
= droid_create_window_surface
,
1239 .create_pixmap_surface
= dri2_fallback_create_pixmap_surface
,
1240 .create_pbuffer_surface
= droid_create_pbuffer_surface
,
1241 .destroy_surface
= droid_destroy_surface
,
1242 .create_image
= droid_create_image_khr
,
1243 .swap_buffers
= droid_swap_buffers
,
1244 .swap_buffers_with_damage
= dri2_fallback_swap_buffers_with_damage
, /* Android implements the function */
1245 .swap_buffers_region
= dri2_fallback_swap_buffers_region
,
1246 .swap_interval
= droid_swap_interval
,
1247 .post_sub_buffer
= dri2_fallback_post_sub_buffer
,
1248 .copy_buffers
= dri2_fallback_copy_buffers
,
1249 .query_buffer_age
= droid_query_buffer_age
,
1250 .query_surface
= droid_query_surface
,
1251 .create_wayland_buffer_from_image
= dri2_fallback_create_wayland_buffer_from_image
,
1252 .get_sync_values
= dri2_fallback_get_sync_values
,
1253 .get_dri_drawable
= dri2_surface_get_dri_drawable
,
1254 .set_shared_buffer_mode
= droid_set_shared_buffer_mode
,
1257 #ifdef HAVE_DRM_GRALLOC
1258 static const __DRIdri2LoaderExtension droid_dri2_loader_extension
= {
1259 .base
= { __DRI_DRI2_LOADER
, 4 },
1262 .flushFrontBuffer
= droid_flush_front_buffer
,
1263 .getBuffersWithFormat
= droid_get_buffers_with_format
,
1264 .getCapability
= droid_get_capability
,
1267 static const __DRIextension
*droid_dri2_loader_extensions
[] = {
1268 &droid_dri2_loader_extension
.base
,
1269 &image_lookup_extension
.base
,
1270 &use_invalidate
.base
,
1271 /* No __DRI_MUTABLE_RENDER_BUFFER_LOADER because it requires
1272 * __DRI_IMAGE_LOADER.
1276 #endif /* HAVE_DRM_GRALLOC */
1278 static const __DRIimageLoaderExtension droid_image_loader_extension
= {
1279 .base
= { __DRI_IMAGE_LOADER
, 2 },
1281 .getBuffers
= droid_image_get_buffers
,
1282 .flushFrontBuffer
= droid_flush_front_buffer
,
1283 .getCapability
= droid_get_capability
,
1287 droid_display_shared_buffer(__DRIdrawable
*driDrawable
, int fence_fd
,
1288 void *loaderPrivate
)
1290 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
1291 struct ANativeWindowBuffer
*old_buffer UNUSED
= dri2_surf
->buffer
;
1293 if (!_eglSurfaceInSharedBufferMode(&dri2_surf
->base
)) {
1294 _eglLog(_EGL_WARNING
, "%s: internal error: buffer is not shared",
1299 if (fence_fd
>= 0) {
1300 /* The driver's fence is more recent than the surface's out fence, if it
1301 * exists at all. So use the driver's fence.
1303 if (dri2_surf
->out_fence_fd
>= 0) {
1304 close(dri2_surf
->out_fence_fd
);
1305 dri2_surf
->out_fence_fd
= -1;
1307 } else if (dri2_surf
->out_fence_fd
>= 0) {
1308 fence_fd
= dri2_surf
->out_fence_fd
;
1309 dri2_surf
->out_fence_fd
= -1;
1312 if (dri2_surf
->window
->queueBuffer(dri2_surf
->window
, dri2_surf
->buffer
,
1314 _eglLog(_EGL_WARNING
, "%s: ANativeWindow::queueBuffer failed", __func__
);
1321 if (dri2_surf
->window
->dequeueBuffer(dri2_surf
->window
, &dri2_surf
->buffer
,
1323 /* Tear down the surface because it no longer has a back buffer. */
1324 struct dri2_egl_display
*dri2_dpy
=
1325 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
1327 _eglLog(_EGL_WARNING
, "%s: ANativeWindow::dequeueBuffer failed", __func__
);
1329 dri2_surf
->base
.Lost
= true;
1330 dri2_surf
->buffer
= NULL
;
1331 dri2_surf
->back
= NULL
;
1333 if (dri2_surf
->dri_image_back
) {
1334 dri2_dpy
->image
->destroyImage(dri2_surf
->dri_image_back
);
1335 dri2_surf
->dri_image_back
= NULL
;
1338 dri2_dpy
->flush
->invalidate(dri2_surf
->dri_drawable
);
1345 /* Access to the buffer is controlled by a sync fence. Block on it.
1347 * Ideally, we would submit the fence to the driver, and the driver would
1348 * postpone command execution until it signalled. But DRI lacks API for
1349 * that (as of 2018-04-11).
1351 * SYNC_IOC_WAIT waits forever if timeout < 0
1353 sync_wait(fence_fd
, -1);
1357 static const __DRImutableRenderBufferLoaderExtension droid_mutable_render_buffer_extension
= {
1358 .base
= { __DRI_MUTABLE_RENDER_BUFFER_LOADER
, 1 },
1359 .displaySharedBuffer
= droid_display_shared_buffer
,
1362 static const __DRIextension
*droid_image_loader_extensions
[] = {
1363 &droid_image_loader_extension
.base
,
1364 &image_lookup_extension
.base
,
1365 &use_invalidate
.base
,
1366 &droid_mutable_render_buffer_extension
.base
,
1371 droid_load_driver(_EGLDisplay
*disp
, bool swrast
)
1373 struct dri2_egl_display
*dri2_dpy
= disp
->DriverData
;
1376 dri2_dpy
->driver_name
= loader_get_driver_for_fd(dri2_dpy
->fd
);
1377 if (dri2_dpy
->driver_name
== NULL
)
1380 #ifdef HAVE_DRM_GRALLOC
1381 /* Handle control nodes using __DRI_DRI2_LOADER extension and GEM names
1382 * for backwards compatibility with drm_gralloc. (Do not use on new
1384 dri2_dpy
->loader_extensions
= droid_dri2_loader_extensions
;
1385 if (!dri2_load_driver(disp
)) {
1386 err
= "DRI2: failed to load driver";
1391 /* Use kms swrast only with vgem / virtio_gpu.
1392 * virtio-gpu fallbacks to software rendering when 3D features
1393 * are unavailable since 6c5ab.
1395 if (strcmp(dri2_dpy
->driver_name
, "vgem") == 0 ||
1396 strcmp(dri2_dpy
->driver_name
, "virtio_gpu") == 0) {
1397 free(dri2_dpy
->driver_name
);
1398 dri2_dpy
->driver_name
= strdup("kms_swrast");
1400 err
= "DRI3: failed to find software capable driver";
1405 dri2_dpy
->loader_extensions
= droid_image_loader_extensions
;
1406 if (!dri2_load_driver_dri3(disp
)) {
1407 err
= "DRI3: failed to load driver";
1415 free(dri2_dpy
->driver_name
);
1416 dri2_dpy
->driver_name
= NULL
;
1421 droid_unload_driver(_EGLDisplay
*disp
)
1423 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1425 dlclose(dri2_dpy
->driver
);
1426 dri2_dpy
->driver
= NULL
;
1427 free(dri2_dpy
->driver_name
);
1428 dri2_dpy
->driver_name
= NULL
;
1432 droid_filter_device(_EGLDisplay
*disp
, int fd
, const char *vendor
)
1434 drmVersionPtr ver
= drmGetVersion(fd
);
1438 if (strcmp(vendor
, ver
->name
) != 0) {
1439 drmFreeVersion(ver
);
1443 drmFreeVersion(ver
);
1448 droid_probe_device(_EGLDisplay
*disp
, bool swrast
)
1450 /* Check that the device is supported, by attempting to:
1451 * - load the dri module
1452 * - and, create a screen
1454 if (!droid_load_driver(disp
, swrast
))
1457 if (!dri2_create_screen(disp
)) {
1458 _eglLog(_EGL_WARNING
, "DRI2: failed to create screen");
1459 droid_unload_driver(disp
);
1465 #ifdef HAVE_DRM_GRALLOC
1467 droid_open_device(_EGLDisplay
*disp
, bool swrast
)
1469 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1470 int fd
= -1, err
= -EINVAL
;
1475 if (dri2_dpy
->gralloc
->perform
)
1476 err
= dri2_dpy
->gralloc
->perform(dri2_dpy
->gralloc
,
1477 GRALLOC_MODULE_PERFORM_GET_DRM_FD
,
1479 if (err
|| fd
< 0) {
1480 _eglLog(_EGL_WARNING
, "fail to get drm fd");
1484 dri2_dpy
->fd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 3);
1485 if (dri2_dpy
->fd
< 0)
1488 if (drmGetNodeTypeFromFd(dri2_dpy
->fd
) == DRM_NODE_RENDER
)
1491 return droid_probe_device(disp
, swrast
);
1495 droid_open_device(_EGLDisplay
*disp
, bool swrast
)
1497 #define MAX_DRM_DEVICES 64
1498 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1499 drmDevicePtr device
, devices
[MAX_DRM_DEVICES
] = { NULL
};
1502 char *vendor_name
= NULL
;
1503 char vendor_buf
[PROPERTY_VALUE_MAX
];
1505 #ifdef EGL_FORCE_RENDERNODE
1506 const unsigned node_type
= DRM_NODE_RENDER
;
1508 const unsigned node_type
= swrast
? DRM_NODE_PRIMARY
: DRM_NODE_RENDER
;
1511 if (property_get("drm.gpu.vendor_name", vendor_buf
, NULL
) > 0)
1512 vendor_name
= vendor_buf
;
1514 num_devices
= drmGetDevices2(0, devices
, ARRAY_SIZE(devices
));
1515 if (num_devices
< 0)
1518 for (int i
= 0; i
< num_devices
; i
++) {
1519 device
= devices
[i
];
1521 if (!(device
->available_nodes
& (1 << node_type
)))
1524 dri2_dpy
->fd
= loader_open_device(device
->nodes
[node_type
]);
1525 if (dri2_dpy
->fd
< 0) {
1526 _eglLog(_EGL_WARNING
, "%s() Failed to open DRM device %s",
1527 __func__
, device
->nodes
[node_type
]);
1531 /* If a vendor is explicitly provided, we use only that.
1532 * Otherwise we fall-back the first device that is supported.
1535 if (droid_filter_device(disp
, dri2_dpy
->fd
, vendor_name
)) {
1536 /* Device does not match - try next device */
1537 close(dri2_dpy
->fd
);
1541 /* If the requested device matches - use it. Regardless if
1542 * init fails, do not fall-back to any other device.
1544 if (!droid_probe_device(disp
, false)) {
1545 close(dri2_dpy
->fd
);
1551 if (droid_probe_device(disp
, swrast
))
1554 /* No explicit request - attempt the next device */
1555 close(dri2_dpy
->fd
);
1558 drmFreeDevices(devices
, num_devices
);
1560 if (dri2_dpy
->fd
< 0) {
1561 _eglLog(_EGL_WARNING
, "Failed to open %s DRM device",
1562 vendor_name
? "desired": "any");
1567 #undef MAX_DRM_DEVICES
1573 dri2_initialize_android(_EGLDriver
*drv
, _EGLDisplay
*disp
)
1576 bool device_opened
= false;
1577 struct dri2_egl_display
*dri2_dpy
;
1581 dri2_dpy
= calloc(1, sizeof(*dri2_dpy
));
1583 return _eglError(EGL_BAD_ALLOC
, "eglInitialize");
1586 ret
= hw_get_module(GRALLOC_HARDWARE_MODULE_ID
,
1587 (const hw_module_t
**)&dri2_dpy
->gralloc
);
1589 err
= "DRI2: failed to get gralloc module";
1593 disp
->DriverData
= (void *) dri2_dpy
;
1594 if (!disp
->Options
.ForceSoftware
)
1595 device_opened
= droid_open_device(disp
, false);
1597 device_opened
= droid_open_device(disp
, true);
1599 if (!device_opened
) {
1600 err
= "DRI2: failed to open device";
1604 dev
= _eglAddDevice(dri2_dpy
->fd
, false);
1606 err
= "DRI2: failed to find EGLDevice";
1612 if (!dri2_setup_extensions(disp
)) {
1613 err
= "DRI2: failed to setup extensions";
1617 dri2_setup_screen(disp
);
1619 /* We set the maximum swap interval as 1 for Android platform, since it is
1620 * the maximum value supported by Android according to the value of
1621 * ANativeWindow::maxSwapInterval.
1623 dri2_setup_swap_interval(disp
, 1);
1625 disp
->Extensions
.ANDROID_framebuffer_target
= EGL_TRUE
;
1626 disp
->Extensions
.ANDROID_image_native_buffer
= EGL_TRUE
;
1627 disp
->Extensions
.ANDROID_recordable
= EGL_TRUE
;
1628 disp
->Extensions
.EXT_buffer_age
= EGL_TRUE
;
1629 disp
->Extensions
.KHR_image
= EGL_TRUE
;
1630 #if ANDROID_API_LEVEL >= 24
1631 if (dri2_dpy
->mutable_render_buffer
&&
1632 dri2_dpy
->loader_extensions
== droid_image_loader_extensions
) {
1633 disp
->Extensions
.KHR_mutable_render_buffer
= EGL_TRUE
;
1637 /* Create configs *after* enabling extensions because presence of DRI
1638 * driver extensions can affect the capabilities of EGLConfigs.
1640 if (!droid_add_configs_for_visuals(drv
, disp
)) {
1641 err
= "DRI2: failed to add configs";
1645 /* Fill vtbl last to prevent accidentally calling virtual function during
1648 dri2_dpy
->vtbl
= &droid_display_vtbl
;
1653 dri2_display_destroy(disp
);
1654 return _eglError(EGL_NOT_INITIALIZED
, err
);