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"
46 #include "egl_dri2_fallbacks.h"
48 #ifdef HAVE_DRM_GRALLOC
49 #include <gralloc_drm_handle.h>
50 #include "gralloc_drm.h"
51 #endif /* HAVE_DRM_GRALLOC */
53 #define ALIGN(val, align) (((val) + (align) - 1) & ~((align) - 1))
60 struct droid_yuv_format
{
62 int native
; /* HAL_PIXEL_FORMAT_ */
63 enum chroma_order chroma_order
; /* chroma order is {Cb, Cr} or {Cr, Cb} */
64 int chroma_step
; /* Distance in bytes between subsequent chroma pixels. */
67 int fourcc
; /* DRM_FORMAT_ */
70 /* The following table is used to look up a DRI image FourCC based
71 * on native format and information contained in android_ycbcr struct. */
72 static const struct droid_yuv_format droid_yuv_formats
[] = {
73 /* Native format, YCrCb, Chroma step, DRI image FourCC */
74 { HAL_PIXEL_FORMAT_YCbCr_420_888
, YCbCr
, 2, DRM_FORMAT_NV12
},
75 { HAL_PIXEL_FORMAT_YCbCr_420_888
, YCbCr
, 1, DRM_FORMAT_YUV420
},
76 { HAL_PIXEL_FORMAT_YCbCr_420_888
, YCrCb
, 1, DRM_FORMAT_YVU420
},
77 { HAL_PIXEL_FORMAT_YV12
, YCrCb
, 1, DRM_FORMAT_YVU420
},
78 /* HACK: See droid_create_image_from_prime_fds() and
79 * https://issuetracker.google.com/32077885. */
80 { HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
, YCbCr
, 2, DRM_FORMAT_NV12
},
81 { HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
, YCbCr
, 1, DRM_FORMAT_YUV420
},
82 { HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
, YCrCb
, 1, DRM_FORMAT_YVU420
},
83 { HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
, YCrCb
, 1, DRM_FORMAT_AYUV
},
84 { HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
, YCrCb
, 1, DRM_FORMAT_XYUV8888
},
88 get_fourcc_yuv(int native
, enum chroma_order chroma_order
, int chroma_step
)
90 for (int i
= 0; i
< ARRAY_SIZE(droid_yuv_formats
); ++i
)
91 if (droid_yuv_formats
[i
].native
== native
&&
92 droid_yuv_formats
[i
].chroma_order
== chroma_order
&&
93 droid_yuv_formats
[i
].chroma_step
== chroma_step
)
94 return droid_yuv_formats
[i
].fourcc
;
102 for (int i
= 0; i
< ARRAY_SIZE(droid_yuv_formats
); ++i
)
103 if (droid_yuv_formats
[i
].native
== native
)
110 get_format_bpp(int native
)
115 case HAL_PIXEL_FORMAT_RGBA_FP16
:
118 case HAL_PIXEL_FORMAT_RGBA_8888
:
119 case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
:
121 * HACK: Hardcode this to RGBX_8888 as per cros_gralloc hack.
122 * TODO: Remove this once https://issuetracker.google.com/32077885 is fixed.
124 case HAL_PIXEL_FORMAT_RGBX_8888
:
125 case HAL_PIXEL_FORMAT_BGRA_8888
:
126 case HAL_PIXEL_FORMAT_RGBA_1010102
:
129 case HAL_PIXEL_FORMAT_RGB_565
:
140 /* createImageFromFds requires fourcc format */
141 static int get_fourcc(int native
)
144 case HAL_PIXEL_FORMAT_RGB_565
: return DRM_FORMAT_RGB565
;
145 case HAL_PIXEL_FORMAT_BGRA_8888
: return DRM_FORMAT_ARGB8888
;
146 case HAL_PIXEL_FORMAT_RGBA_8888
: return DRM_FORMAT_ABGR8888
;
147 case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
:
149 * HACK: Hardcode this to RGBX_8888 as per cros_gralloc hack.
150 * TODO: Remove this once https://issuetracker.google.com/32077885 is fixed.
152 case HAL_PIXEL_FORMAT_RGBX_8888
: return DRM_FORMAT_XBGR8888
;
153 case HAL_PIXEL_FORMAT_RGBA_FP16
: return DRM_FORMAT_ABGR16161616F
;
154 case HAL_PIXEL_FORMAT_RGBA_1010102
: return DRM_FORMAT_ABGR2101010
;
156 _eglLog(_EGL_WARNING
, "unsupported native buffer format 0x%x", native
);
161 /* returns # of fds, and by reference the actual fds */
163 get_native_buffer_fds(struct ANativeWindowBuffer
*buf
, int fds
[3])
165 native_handle_t
*handle
= (native_handle_t
*)buf
->handle
;
171 * Various gralloc implementations exist, but the dma-buf fd tends
172 * to be first. Access it directly to avoid a dependency on specific
175 for (int i
= 0; i
< handle
->numFds
; i
++)
176 fds
[i
] = handle
->data
[i
];
178 return handle
->numFds
;
181 #ifdef HAVE_DRM_GRALLOC
183 get_native_buffer_name(struct ANativeWindowBuffer
*buf
)
185 return gralloc_drm_get_gem_handle(buf
->handle
);
187 #endif /* HAVE_DRM_GRALLOC */
190 droid_window_dequeue_buffer(struct dri2_egl_surface
*dri2_surf
)
194 if (dri2_surf
->window
->dequeueBuffer(dri2_surf
->window
, &dri2_surf
->buffer
,
198 /* If access to the buffer is controlled by a sync fence, then block on the
201 * It may be more performant to postpone blocking until there is an
202 * immediate need to write to the buffer. But doing so would require adding
203 * hooks to the DRI2 loader.
205 * From the ANativeWindow::dequeueBuffer documentation:
207 * The libsync fence file descriptor returned in the int pointed to by
208 * the fenceFd argument will refer to the fence that must signal
209 * before the dequeued buffer may be written to. A value of -1
210 * indicates that the caller may access the buffer immediately without
211 * waiting on a fence. If a valid file descriptor is returned (i.e.
212 * any value except -1) then the caller is responsible for closing the
216 /* From the SYNC_IOC_WAIT documentation in <linux/sync.h>:
218 * Waits indefinitely if timeout < 0.
221 sync_wait(fence_fd
, timeout
);
225 /* Record all the buffers created by ANativeWindow and update back buffer
226 * for updating buffer's age in swap_buffers.
228 EGLBoolean updated
= EGL_FALSE
;
229 for (int i
= 0; i
< dri2_surf
->color_buffers_count
; i
++) {
230 if (!dri2_surf
->color_buffers
[i
].buffer
) {
231 dri2_surf
->color_buffers
[i
].buffer
= dri2_surf
->buffer
;
233 if (dri2_surf
->color_buffers
[i
].buffer
== dri2_surf
->buffer
) {
234 dri2_surf
->back
= &dri2_surf
->color_buffers
[i
];
241 /* In case of all the buffers were recreated by ANativeWindow, reset
244 for (int i
= 0; i
< dri2_surf
->color_buffers_count
; i
++) {
245 dri2_surf
->color_buffers
[i
].buffer
= NULL
;
246 dri2_surf
->color_buffers
[i
].age
= 0;
248 dri2_surf
->color_buffers
[0].buffer
= dri2_surf
->buffer
;
249 dri2_surf
->back
= &dri2_surf
->color_buffers
[0];
256 droid_window_enqueue_buffer(_EGLDisplay
*disp
, struct dri2_egl_surface
*dri2_surf
)
258 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
260 /* To avoid blocking other EGL calls, release the display mutex before
261 * we enter droid_window_enqueue_buffer() and re-acquire the mutex upon
264 mtx_unlock(&disp
->Mutex
);
266 /* Queue the buffer with stored out fence fd. The ANativeWindow or buffer
267 * consumer may choose to wait for the fence to signal before accessing
268 * it. If fence fd value is -1, buffer can be accessed by consumer
269 * immediately. Consumer or application shouldn't rely on timestamp
270 * associated with fence if the fence fd is -1.
272 * Ownership of fd is transferred to consumer after queueBuffer and the
273 * consumer is responsible for closing it. Caller must not use the fd
274 * after passing it to queueBuffer.
276 int fence_fd
= dri2_surf
->out_fence_fd
;
277 dri2_surf
->out_fence_fd
= -1;
278 dri2_surf
->window
->queueBuffer(dri2_surf
->window
, dri2_surf
->buffer
,
281 dri2_surf
->buffer
= NULL
;
282 dri2_surf
->back
= NULL
;
284 mtx_lock(&disp
->Mutex
);
286 if (dri2_surf
->dri_image_back
) {
287 dri2_dpy
->image
->destroyImage(dri2_surf
->dri_image_back
);
288 dri2_surf
->dri_image_back
= NULL
;
295 droid_window_cancel_buffer(struct dri2_egl_surface
*dri2_surf
)
298 int fence_fd
= dri2_surf
->out_fence_fd
;
300 dri2_surf
->out_fence_fd
= -1;
301 ret
= dri2_surf
->window
->cancelBuffer(dri2_surf
->window
,
302 dri2_surf
->buffer
, fence_fd
);
303 dri2_surf
->buffer
= NULL
;
305 _eglLog(_EGL_WARNING
, "ANativeWindow::cancelBuffer failed");
306 dri2_surf
->base
.Lost
= EGL_TRUE
;
311 droid_set_shared_buffer_mode(_EGLDisplay
*disp
, _EGLSurface
*surf
, bool mode
)
313 #if ANDROID_API_LEVEL >= 24
314 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
315 struct ANativeWindow
*window
= dri2_surf
->window
;
317 assert(surf
->Type
== EGL_WINDOW_BIT
);
318 assert(_eglSurfaceHasMutableRenderBuffer(&dri2_surf
->base
));
320 _eglLog(_EGL_DEBUG
, "%s: mode=%d", __func__
, mode
);
322 if (native_window_set_shared_buffer_mode(window
, mode
)) {
323 _eglLog(_EGL_WARNING
, "failed native_window_set_shared_buffer_mode"
324 "(window=%p, mode=%d)", window
, mode
);
330 _eglLog(_EGL_FATAL
, "%s:%d: internal error: unreachable", __FILE__
, __LINE__
);
336 droid_create_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
, EGLint type
,
337 _EGLConfig
*conf
, void *native_window
,
338 const EGLint
*attrib_list
)
340 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
341 struct dri2_egl_config
*dri2_conf
= dri2_egl_config(conf
);
342 struct dri2_egl_surface
*dri2_surf
;
343 struct ANativeWindow
*window
= native_window
;
344 const __DRIconfig
*config
;
346 dri2_surf
= calloc(1, sizeof *dri2_surf
);
348 _eglError(EGL_BAD_ALLOC
, "droid_create_surface");
352 if (!dri2_init_surface(&dri2_surf
->base
, disp
, type
, conf
, attrib_list
,
353 true, native_window
))
354 goto cleanup_surface
;
356 if (type
== EGL_WINDOW_BIT
) {
359 int min_buffer_count
, max_buffer_count
;
361 /* Prefer triple buffering for performance reasons. */
362 const int preferred_buffer_count
= 3;
364 if (window
->common
.magic
!= ANDROID_NATIVE_WINDOW_MAGIC
) {
365 _eglError(EGL_BAD_NATIVE_WINDOW
, "droid_create_surface");
366 goto cleanup_surface
;
368 if (window
->query(window
, NATIVE_WINDOW_FORMAT
, &format
)) {
369 _eglError(EGL_BAD_NATIVE_WINDOW
, "droid_create_surface");
370 goto cleanup_surface
;
373 /* Query ANativeWindow for MIN_UNDEQUEUED_BUFFER, minimum amount
374 * of undequeued buffers.
376 if (window
->query(window
, NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS
,
377 &min_buffer_count
)) {
378 _eglError(EGL_BAD_NATIVE_WINDOW
, "droid_create_surface");
379 goto cleanup_surface
;
382 /* Query for maximum buffer count, application can set this
383 * to limit the total amount of buffers.
385 if (window
->query(window
, NATIVE_WINDOW_MAX_BUFFER_COUNT
,
386 &max_buffer_count
)) {
387 _eglError(EGL_BAD_NATIVE_WINDOW
, "droid_create_surface");
388 goto cleanup_surface
;
391 /* Clamp preferred between minimum (min undequeued + 1 dequeued)
394 buffer_count
= CLAMP(preferred_buffer_count
, min_buffer_count
+ 1,
397 if (native_window_set_buffer_count(window
, buffer_count
)) {
398 _eglError(EGL_BAD_NATIVE_WINDOW
, "droid_create_surface");
399 goto cleanup_surface
;
401 dri2_surf
->color_buffers
= calloc(buffer_count
,
402 sizeof(*dri2_surf
->color_buffers
));
403 if (!dri2_surf
->color_buffers
) {
404 _eglError(EGL_BAD_ALLOC
, "droid_create_surface");
405 goto cleanup_surface
;
407 dri2_surf
->color_buffers_count
= buffer_count
;
409 if (format
!= dri2_conf
->base
.NativeVisualID
) {
410 _eglLog(_EGL_WARNING
, "Native format mismatch: 0x%x != 0x%x",
411 format
, dri2_conf
->base
.NativeVisualID
);
414 window
->query(window
, NATIVE_WINDOW_WIDTH
, &dri2_surf
->base
.Width
);
415 window
->query(window
, NATIVE_WINDOW_HEIGHT
, &dri2_surf
->base
.Height
);
417 uint32_t usage
= strcmp(dri2_dpy
->driver_name
, "kms_swrast") == 0
418 ? GRALLOC_USAGE_SW_READ_OFTEN
| GRALLOC_USAGE_SW_WRITE_OFTEN
419 : GRALLOC_USAGE_HW_RENDER
;
420 native_window_set_usage(window
, usage
);
423 config
= dri2_get_dri_config(dri2_conf
, type
,
424 dri2_surf
->base
.GLColorspace
);
426 _eglError(EGL_BAD_MATCH
, "Unsupported surfacetype/colorspace configuration");
427 goto cleanup_surface
;
430 if (!dri2_create_drawable(dri2_dpy
, config
, dri2_surf
, dri2_surf
))
431 goto cleanup_surface
;
434 window
->common
.incRef(&window
->common
);
435 dri2_surf
->window
= window
;
438 return &dri2_surf
->base
;
441 if (dri2_surf
->color_buffers_count
)
442 free(dri2_surf
->color_buffers
);
449 droid_create_window_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
450 _EGLConfig
*conf
, void *native_window
,
451 const EGLint
*attrib_list
)
453 return droid_create_surface(drv
, disp
, EGL_WINDOW_BIT
, conf
,
454 native_window
, attrib_list
);
458 droid_create_pbuffer_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
459 _EGLConfig
*conf
, const EGLint
*attrib_list
)
461 return droid_create_surface(drv
, disp
, EGL_PBUFFER_BIT
, conf
,
466 droid_destroy_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*surf
)
468 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
469 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
471 dri2_egl_surface_free_local_buffers(dri2_surf
);
473 if (dri2_surf
->base
.Type
== EGL_WINDOW_BIT
) {
474 if (dri2_surf
->buffer
)
475 droid_window_cancel_buffer(dri2_surf
);
477 dri2_surf
->window
->common
.decRef(&dri2_surf
->window
->common
);
480 if (dri2_surf
->dri_image_back
) {
481 _eglLog(_EGL_DEBUG
, "%s : %d : destroy dri_image_back", __func__
, __LINE__
);
482 dri2_dpy
->image
->destroyImage(dri2_surf
->dri_image_back
);
483 dri2_surf
->dri_image_back
= NULL
;
486 if (dri2_surf
->dri_image_front
) {
487 _eglLog(_EGL_DEBUG
, "%s : %d : destroy dri_image_front", __func__
, __LINE__
);
488 dri2_dpy
->image
->destroyImage(dri2_surf
->dri_image_front
);
489 dri2_surf
->dri_image_front
= NULL
;
492 dri2_dpy
->core
->destroyDrawable(dri2_surf
->dri_drawable
);
494 dri2_fini_surface(surf
);
495 free(dri2_surf
->color_buffers
);
502 droid_swap_interval(_EGLDriver
*drv
, _EGLDisplay
*disp
,
503 _EGLSurface
*surf
, EGLint interval
)
505 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
506 struct ANativeWindow
*window
= dri2_surf
->window
;
508 if (window
->setSwapInterval(window
, interval
))
511 surf
->SwapInterval
= interval
;
516 update_buffers(struct dri2_egl_surface
*dri2_surf
)
518 if (dri2_surf
->base
.Lost
)
521 if (dri2_surf
->base
.Type
!= EGL_WINDOW_BIT
)
524 /* try to dequeue the next back buffer */
525 if (!dri2_surf
->buffer
&& !droid_window_dequeue_buffer(dri2_surf
)) {
526 _eglLog(_EGL_WARNING
, "Could not dequeue buffer from native window");
527 dri2_surf
->base
.Lost
= EGL_TRUE
;
531 /* free outdated buffers and update the surface size */
532 if (dri2_surf
->base
.Width
!= dri2_surf
->buffer
->width
||
533 dri2_surf
->base
.Height
!= dri2_surf
->buffer
->height
) {
534 dri2_egl_surface_free_local_buffers(dri2_surf
);
535 dri2_surf
->base
.Width
= dri2_surf
->buffer
->width
;
536 dri2_surf
->base
.Height
= dri2_surf
->buffer
->height
;
543 get_front_bo(struct dri2_egl_surface
*dri2_surf
, unsigned int format
)
545 struct dri2_egl_display
*dri2_dpy
=
546 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
548 if (dri2_surf
->dri_image_front
)
551 if (dri2_surf
->base
.Type
== EGL_WINDOW_BIT
) {
552 /* According current EGL spec, front buffer rendering
553 * for window surface is not supported now.
554 * and mesa doesn't have the implementation of this case.
555 * Add warning message, but not treat it as error.
557 _eglLog(_EGL_DEBUG
, "DRI driver requested unsupported front buffer for window surface");
558 } else if (dri2_surf
->base
.Type
== EGL_PBUFFER_BIT
) {
559 dri2_surf
->dri_image_front
=
560 dri2_dpy
->image
->createImage(dri2_dpy
->dri_screen
,
561 dri2_surf
->base
.Width
,
562 dri2_surf
->base
.Height
,
566 if (!dri2_surf
->dri_image_front
) {
567 _eglLog(_EGL_WARNING
, "dri2_image_front allocation failed");
576 get_back_bo(struct dri2_egl_surface
*dri2_surf
)
578 struct dri2_egl_display
*dri2_dpy
=
579 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
581 int offset
= 0, fds
[3];
584 if (dri2_surf
->dri_image_back
)
587 if (dri2_surf
->base
.Type
== EGL_WINDOW_BIT
) {
588 if (!dri2_surf
->buffer
) {
589 _eglLog(_EGL_WARNING
, "Could not get native buffer");
593 num_fds
= get_native_buffer_fds(dri2_surf
->buffer
, fds
);
595 _eglLog(_EGL_WARNING
, "Could not get native buffer FD");
599 fourcc
= get_fourcc(dri2_surf
->buffer
->format
);
601 pitch
= dri2_surf
->buffer
->stride
*
602 get_format_bpp(dri2_surf
->buffer
->format
);
604 if (fourcc
== -1 || pitch
== 0) {
605 _eglLog(_EGL_WARNING
, "Invalid buffer fourcc(%x) or pitch(%d)",
610 dri2_surf
->dri_image_back
=
611 dri2_dpy
->image
->createImageFromFds(dri2_dpy
->dri_screen
,
612 dri2_surf
->base
.Width
,
613 dri2_surf
->base
.Height
,
620 if (!dri2_surf
->dri_image_back
) {
621 _eglLog(_EGL_WARNING
, "failed to create DRI image from FD");
624 } else if (dri2_surf
->base
.Type
== EGL_PBUFFER_BIT
) {
625 /* The EGL 1.5 spec states that pbuffers are single-buffered. Specifically,
626 * the spec states that they have a back buffer but no front buffer, in
627 * contrast to pixmaps, which have a front buffer but no back buffer.
629 * Single-buffered surfaces with no front buffer confuse Mesa; so we deviate
630 * from the spec, following the precedent of Mesa's EGL X11 platform. The
631 * X11 platform correctly assigns pbuffers to single-buffered configs, but
632 * assigns the pbuffer a front buffer instead of a back buffer.
634 * Pbuffers in the X11 platform mostly work today, so let's just copy its
635 * behavior instead of trying to fix (and hence potentially breaking) the
638 _eglLog(_EGL_DEBUG
, "DRI driver requested unsupported back buffer for pbuffer surface");
644 /* Some drivers will pass multiple bits in buffer_mask.
645 * For such case, will go through all the bits, and
646 * will not return error when unsupported buffer is requested, only
647 * return error when the allocation for supported buffer failed.
650 droid_image_get_buffers(__DRIdrawable
*driDrawable
,
654 uint32_t buffer_mask
,
655 struct __DRIimageList
*images
)
657 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
659 images
->image_mask
= 0;
660 images
->front
= NULL
;
663 if (update_buffers(dri2_surf
) < 0)
666 if (_eglSurfaceInSharedBufferMode(&dri2_surf
->base
)) {
667 if (get_back_bo(dri2_surf
) < 0)
670 /* We have dri_image_back because this is a window surface and
671 * get_back_bo() succeeded.
673 assert(dri2_surf
->dri_image_back
);
674 images
->back
= dri2_surf
->dri_image_back
;
675 images
->image_mask
|= __DRI_IMAGE_BUFFER_SHARED
;
677 /* There exists no accompanying back nor front buffer. */
681 if (buffer_mask
& __DRI_IMAGE_BUFFER_FRONT
) {
682 if (get_front_bo(dri2_surf
, format
) < 0)
685 if (dri2_surf
->dri_image_front
) {
686 images
->front
= dri2_surf
->dri_image_front
;
687 images
->image_mask
|= __DRI_IMAGE_BUFFER_FRONT
;
691 if (buffer_mask
& __DRI_IMAGE_BUFFER_BACK
) {
692 if (get_back_bo(dri2_surf
) < 0)
695 if (dri2_surf
->dri_image_back
) {
696 images
->back
= dri2_surf
->dri_image_back
;
697 images
->image_mask
|= __DRI_IMAGE_BUFFER_BACK
;
705 droid_query_buffer_age(_EGLDriver
*drv
,
706 _EGLDisplay
*disp
, _EGLSurface
*surface
)
708 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surface
);
710 if (update_buffers(dri2_surf
) < 0) {
711 _eglError(EGL_BAD_ALLOC
, "droid_query_buffer_age");
715 return dri2_surf
->back
? dri2_surf
->back
->age
: 0;
719 droid_swap_buffers(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*draw
)
721 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
722 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(draw
);
723 const bool has_mutable_rb
= _eglSurfaceHasMutableRenderBuffer(draw
);
725 /* From the EGL_KHR_mutable_render_buffer spec (v12):
727 * If surface is a single-buffered window, pixmap, or pbuffer surface
728 * for which there is no pending change to the EGL_RENDER_BUFFER
729 * attribute, eglSwapBuffers has no effect.
731 if (has_mutable_rb
&&
732 draw
->RequestedRenderBuffer
== EGL_SINGLE_BUFFER
&&
733 draw
->ActiveRenderBuffer
== EGL_SINGLE_BUFFER
) {
734 _eglLog(_EGL_DEBUG
, "%s: remain in shared buffer mode", __func__
);
738 for (int i
= 0; i
< dri2_surf
->color_buffers_count
; i
++) {
739 if (dri2_surf
->color_buffers
[i
].age
> 0)
740 dri2_surf
->color_buffers
[i
].age
++;
743 /* "XXX: we don't use get_back_bo() since it causes regressions in
744 * several dEQP tests.
747 dri2_surf
->back
->age
= 1;
749 dri2_flush_drawable_for_swapbuffers(disp
, draw
);
751 /* dri2_surf->buffer can be null even when no error has occured. For
752 * example, if the user has called no GL rendering commands since the
753 * previous eglSwapBuffers, then the driver may have not triggered
754 * a callback to ANativeWindow::dequeueBuffer, in which case
755 * dri2_surf->buffer remains null.
757 if (dri2_surf
->buffer
)
758 droid_window_enqueue_buffer(disp
, dri2_surf
);
760 dri2_dpy
->flush
->invalidate(dri2_surf
->dri_drawable
);
762 /* Update the shared buffer mode */
763 if (has_mutable_rb
&&
764 draw
->ActiveRenderBuffer
!= draw
->RequestedRenderBuffer
) {
765 bool mode
= (draw
->RequestedRenderBuffer
== EGL_SINGLE_BUFFER
);
766 _eglLog(_EGL_DEBUG
, "%s: change to shared buffer mode %d",
769 if (!droid_set_shared_buffer_mode(disp
, draw
, mode
))
771 draw
->ActiveRenderBuffer
= draw
->RequestedRenderBuffer
;
778 droid_create_image_from_prime_fds_yuv(_EGLDisplay
*disp
, _EGLContext
*ctx
,
779 struct ANativeWindowBuffer
*buf
,
780 int num_fds
, int fds
[3])
782 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
783 struct android_ycbcr ycbcr
;
786 enum chroma_order chroma_order
;
790 if (!dri2_dpy
->gralloc
->lock_ycbcr
) {
791 _eglLog(_EGL_WARNING
, "Gralloc does not support lock_ycbcr");
795 memset(&ycbcr
, 0, sizeof(ycbcr
));
796 ret
= dri2_dpy
->gralloc
->lock_ycbcr(dri2_dpy
->gralloc
, buf
->handle
,
797 0, 0, 0, 0, 0, &ycbcr
);
799 /* HACK: See droid_create_image_from_prime_fds() and
800 * https://issuetracker.google.com/32077885.*/
801 if (buf
->format
== HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
)
804 _eglLog(_EGL_WARNING
, "gralloc->lock_ycbcr failed: %d", ret
);
807 dri2_dpy
->gralloc
->unlock(dri2_dpy
->gralloc
, buf
->handle
);
809 /* When lock_ycbcr's usage argument contains no SW_READ/WRITE flags
810 * it will return the .y/.cb/.cr pointers based on a NULL pointer,
811 * so they can be interpreted as offsets. */
812 offsets
[0] = (size_t)ycbcr
.y
;
813 /* We assume here that all the planes are located in one DMA-buf. */
814 if ((size_t)ycbcr
.cr
< (size_t)ycbcr
.cb
) {
815 chroma_order
= YCrCb
;
816 offsets
[1] = (size_t)ycbcr
.cr
;
817 offsets
[2] = (size_t)ycbcr
.cb
;
819 chroma_order
= YCbCr
;
820 offsets
[1] = (size_t)ycbcr
.cb
;
821 offsets
[2] = (size_t)ycbcr
.cr
;
824 /* .ystride is the line length (in bytes) of the Y plane,
825 * .cstride is the line length (in bytes) of any of the remaining
826 * Cb/Cr/CbCr planes, assumed to be the same for Cb and Cr for fully
828 pitches
[0] = ycbcr
.ystride
;
829 pitches
[1] = pitches
[2] = ycbcr
.cstride
;
831 /* .chroma_step is the byte distance between the same chroma channel
832 * values of subsequent pixels, assumed to be the same for Cb and Cr. */
833 fourcc
= get_fourcc_yuv(buf
->format
, chroma_order
, ycbcr
.chroma_step
);
835 _eglLog(_EGL_WARNING
, "unsupported YUV format, native = %x, chroma_order = %s, chroma_step = %d",
836 buf
->format
, chroma_order
== YCbCr
? "YCbCr" : "YCrCb", ycbcr
.chroma_step
);
841 * Since this is EGL_NATIVE_BUFFER_ANDROID don't assume that
842 * the single-fd case cannot happen. So handle eithe single
843 * fd or fd-per-plane case:
846 fds
[2] = fds
[1] = fds
[0];
848 int expected_planes
= (ycbcr
.chroma_step
== 2) ? 2 : 3;
849 assert(num_fds
== expected_planes
);
852 if (ycbcr
.chroma_step
== 2) {
853 /* Semi-planar Y + CbCr or Y + CrCb format. */
854 const EGLint attr_list_2plane
[] = {
855 EGL_WIDTH
, buf
->width
,
856 EGL_HEIGHT
, buf
->height
,
857 EGL_LINUX_DRM_FOURCC_EXT
, fourcc
,
858 EGL_DMA_BUF_PLANE0_FD_EXT
, fds
[0],
859 EGL_DMA_BUF_PLANE0_PITCH_EXT
, pitches
[0],
860 EGL_DMA_BUF_PLANE0_OFFSET_EXT
, offsets
[0],
861 EGL_DMA_BUF_PLANE1_FD_EXT
, fds
[1],
862 EGL_DMA_BUF_PLANE1_PITCH_EXT
, pitches
[1],
863 EGL_DMA_BUF_PLANE1_OFFSET_EXT
, offsets
[1],
867 return dri2_create_image_dma_buf(disp
, ctx
, NULL
, attr_list_2plane
);
869 /* Fully planar Y + Cb + Cr or Y + Cr + Cb format. */
870 const EGLint attr_list_3plane
[] = {
871 EGL_WIDTH
, buf
->width
,
872 EGL_HEIGHT
, buf
->height
,
873 EGL_LINUX_DRM_FOURCC_EXT
, fourcc
,
874 EGL_DMA_BUF_PLANE0_FD_EXT
, fds
[0],
875 EGL_DMA_BUF_PLANE0_PITCH_EXT
, pitches
[0],
876 EGL_DMA_BUF_PLANE0_OFFSET_EXT
, offsets
[0],
877 EGL_DMA_BUF_PLANE1_FD_EXT
, fds
[1],
878 EGL_DMA_BUF_PLANE1_PITCH_EXT
, pitches
[1],
879 EGL_DMA_BUF_PLANE1_OFFSET_EXT
, offsets
[1],
880 EGL_DMA_BUF_PLANE2_FD_EXT
, fds
[2],
881 EGL_DMA_BUF_PLANE2_PITCH_EXT
, pitches
[2],
882 EGL_DMA_BUF_PLANE2_OFFSET_EXT
, offsets
[2],
886 return dri2_create_image_dma_buf(disp
, ctx
, NULL
, attr_list_3plane
);
891 droid_create_image_from_prime_fds(_EGLDisplay
*disp
, _EGLContext
*ctx
,
892 struct ANativeWindowBuffer
*buf
, int num_fds
, int fds
[3])
896 if (is_yuv(buf
->format
)) {
899 image
= droid_create_image_from_prime_fds_yuv(disp
, ctx
, buf
, num_fds
, fds
);
901 * HACK: https://issuetracker.google.com/32077885
902 * There is no API available to properly query the IMPLEMENTATION_DEFINED
903 * format. As a workaround we rely here on gralloc allocating either
904 * an arbitrary YCbCr 4:2:0 or RGBX_8888, with the latter being recognized
905 * by lock_ycbcr failing.
907 if (image
|| buf
->format
!= HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
)
912 * Non-YUV formats could *also* have multiple planes, such as ancillary
913 * color compression state buffer, but the rest of the code isn't ready
914 * yet to deal with modifiers:
916 assert(num_fds
== 1);
918 const int fourcc
= get_fourcc(buf
->format
);
920 _eglError(EGL_BAD_PARAMETER
, "eglCreateEGLImageKHR");
924 pitch
= buf
->stride
* get_format_bpp(buf
->format
);
926 _eglError(EGL_BAD_PARAMETER
, "eglCreateEGLImageKHR");
930 const EGLint attr_list
[] = {
931 EGL_WIDTH
, buf
->width
,
932 EGL_HEIGHT
, buf
->height
,
933 EGL_LINUX_DRM_FOURCC_EXT
, fourcc
,
934 EGL_DMA_BUF_PLANE0_FD_EXT
, fds
[0],
935 EGL_DMA_BUF_PLANE0_PITCH_EXT
, pitch
,
936 EGL_DMA_BUF_PLANE0_OFFSET_EXT
, 0,
940 return dri2_create_image_dma_buf(disp
, ctx
, NULL
, attr_list
);
943 #ifdef HAVE_DRM_GRALLOC
944 static int get_format(int format
)
947 case HAL_PIXEL_FORMAT_BGRA_8888
: return __DRI_IMAGE_FORMAT_ARGB8888
;
948 case HAL_PIXEL_FORMAT_RGB_565
: return __DRI_IMAGE_FORMAT_RGB565
;
949 case HAL_PIXEL_FORMAT_RGBA_8888
: return __DRI_IMAGE_FORMAT_ABGR8888
;
950 case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
:
952 * HACK: Hardcode this to RGBX_8888 as per cros_gralloc hack.
953 * TODO: Revert this once https://issuetracker.google.com/32077885 is fixed.
955 case HAL_PIXEL_FORMAT_RGBX_8888
: return __DRI_IMAGE_FORMAT_XBGR8888
;
956 case HAL_PIXEL_FORMAT_RGBA_FP16
: return __DRI_IMAGE_FORMAT_ABGR16161616F
;
957 case HAL_PIXEL_FORMAT_RGBA_1010102
: return __DRI_IMAGE_FORMAT_ABGR2101010
;
959 _eglLog(_EGL_WARNING
, "unsupported native buffer format 0x%x", format
);
965 droid_create_image_from_name(_EGLDisplay
*disp
, _EGLContext
*ctx
,
966 struct ANativeWindowBuffer
*buf
)
968 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
969 struct dri2_egl_image
*dri2_img
;
973 name
= get_native_buffer_name(buf
);
975 _eglError(EGL_BAD_PARAMETER
, "eglCreateEGLImageKHR");
979 format
= get_format(buf
->format
);
983 dri2_img
= calloc(1, sizeof(*dri2_img
));
985 _eglError(EGL_BAD_ALLOC
, "droid_create_image_mesa_drm");
989 _eglInitImage(&dri2_img
->base
, disp
);
991 dri2_img
->dri_image
=
992 dri2_dpy
->image
->createImageFromName(dri2_dpy
->dri_screen
,
999 if (!dri2_img
->dri_image
) {
1001 _eglError(EGL_BAD_ALLOC
, "droid_create_image_mesa_drm");
1005 return &dri2_img
->base
;
1007 #endif /* HAVE_DRM_GRALLOC */
1010 droid_query_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*surf
,
1011 EGLint attribute
, EGLint
*value
)
1013 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
1014 switch (attribute
) {
1016 if (dri2_surf
->base
.Type
== EGL_WINDOW_BIT
&& dri2_surf
->window
) {
1017 dri2_surf
->window
->query(dri2_surf
->window
,
1018 NATIVE_WINDOW_DEFAULT_WIDTH
, value
);
1023 if (dri2_surf
->base
.Type
== EGL_WINDOW_BIT
&& dri2_surf
->window
) {
1024 dri2_surf
->window
->query(dri2_surf
->window
,
1025 NATIVE_WINDOW_DEFAULT_HEIGHT
, value
);
1032 return _eglQuerySurface(drv
, disp
, surf
, attribute
, value
);
1036 dri2_create_image_android_native_buffer(_EGLDisplay
*disp
,
1038 struct ANativeWindowBuffer
*buf
)
1044 /* From the EGL_ANDROID_image_native_buffer spec:
1046 * * If <target> is EGL_NATIVE_BUFFER_ANDROID and <ctx> is not
1047 * EGL_NO_CONTEXT, the error EGL_BAD_CONTEXT is generated.
1049 _eglError(EGL_BAD_CONTEXT
, "eglCreateEGLImageKHR: for "
1050 "EGL_NATIVE_BUFFER_ANDROID, the context must be "
1055 if (!buf
|| buf
->common
.magic
!= ANDROID_NATIVE_BUFFER_MAGIC
||
1056 buf
->common
.version
!= sizeof(*buf
)) {
1057 _eglError(EGL_BAD_PARAMETER
, "eglCreateEGLImageKHR");
1061 num_fds
= get_native_buffer_fds(buf
, fds
);
1063 return droid_create_image_from_prime_fds(disp
, ctx
, buf
, num_fds
, fds
);
1065 #ifdef HAVE_DRM_GRALLOC
1066 return droid_create_image_from_name(disp
, ctx
, buf
);
1073 droid_create_image_khr(_EGLDriver
*drv
, _EGLDisplay
*disp
,
1074 _EGLContext
*ctx
, EGLenum target
,
1075 EGLClientBuffer buffer
, const EGLint
*attr_list
)
1078 case EGL_NATIVE_BUFFER_ANDROID
:
1079 return dri2_create_image_android_native_buffer(disp
, ctx
,
1080 (struct ANativeWindowBuffer
*) buffer
);
1082 return dri2_create_image_khr(drv
, disp
, ctx
, target
, buffer
, attr_list
);
1087 droid_flush_front_buffer(__DRIdrawable
* driDrawable
, void *loaderPrivate
)
1091 #ifdef HAVE_DRM_GRALLOC
1093 droid_get_buffers_parse_attachments(struct dri2_egl_surface
*dri2_surf
,
1094 unsigned int *attachments
, int count
)
1096 int num_buffers
= 0;
1098 /* fill dri2_surf->buffers */
1099 for (int i
= 0; i
< count
* 2; i
+= 2) {
1100 __DRIbuffer
*buf
, *local
;
1102 assert(num_buffers
< ARRAY_SIZE(dri2_surf
->buffers
));
1103 buf
= &dri2_surf
->buffers
[num_buffers
];
1105 switch (attachments
[i
]) {
1106 case __DRI_BUFFER_BACK_LEFT
:
1107 if (dri2_surf
->base
.Type
== EGL_WINDOW_BIT
) {
1108 buf
->attachment
= attachments
[i
];
1109 buf
->name
= get_native_buffer_name(dri2_surf
->buffer
);
1110 buf
->cpp
= get_format_bpp(dri2_surf
->buffer
->format
);
1111 buf
->pitch
= dri2_surf
->buffer
->stride
* buf
->cpp
;
1119 /* fall through for pbuffers */
1120 case __DRI_BUFFER_DEPTH
:
1121 case __DRI_BUFFER_STENCIL
:
1122 case __DRI_BUFFER_ACCUM
:
1123 case __DRI_BUFFER_DEPTH_STENCIL
:
1124 case __DRI_BUFFER_HIZ
:
1125 local
= dri2_egl_surface_alloc_local_buffer(dri2_surf
,
1126 attachments
[i
], attachments
[i
+ 1]);
1133 case __DRI_BUFFER_FRONT_LEFT
:
1134 case __DRI_BUFFER_FRONT_RIGHT
:
1135 case __DRI_BUFFER_FAKE_FRONT_LEFT
:
1136 case __DRI_BUFFER_FAKE_FRONT_RIGHT
:
1137 case __DRI_BUFFER_BACK_RIGHT
:
1139 /* no front or right buffers */
1147 static __DRIbuffer
*
1148 droid_get_buffers_with_format(__DRIdrawable
* driDrawable
,
1149 int *width
, int *height
,
1150 unsigned int *attachments
, int count
,
1151 int *out_count
, void *loaderPrivate
)
1153 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
1155 if (update_buffers(dri2_surf
) < 0)
1158 *out_count
= droid_get_buffers_parse_attachments(dri2_surf
, attachments
, count
);
1161 *width
= dri2_surf
->base
.Width
;
1163 *height
= dri2_surf
->base
.Height
;
1165 return dri2_surf
->buffers
;
1167 #endif /* HAVE_DRM_GRALLOC */
1170 droid_get_capability(void *loaderPrivate
, enum dri_loader_cap cap
)
1172 /* Note: loaderPrivate is _EGLDisplay* */
1174 case DRI_LOADER_CAP_RGBA_ORDERING
:
1182 droid_add_configs_for_visuals(_EGLDriver
*drv
, _EGLDisplay
*disp
)
1184 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1185 static const struct {
1188 unsigned int rgba_sizes
[4];
1190 { HAL_PIXEL_FORMAT_RGBA_8888
, { 0, 8, 16, 24 }, { 8, 8, 8, 8 } },
1191 { HAL_PIXEL_FORMAT_RGBX_8888
, { 0, 8, 16, -1 }, { 8, 8, 8, 0 } },
1192 { HAL_PIXEL_FORMAT_RGB_565
, { 11, 5, 0, -1 }, { 5, 6, 5, 0 } },
1193 /* This must be after HAL_PIXEL_FORMAT_RGBA_8888, we only keep BGRA
1194 * visual if it turns out RGBA visual is not available.
1196 { HAL_PIXEL_FORMAT_BGRA_8888
, { 16, 8, 0, 24 }, { 8, 8, 8, 8 } },
1199 unsigned int format_count
[ARRAY_SIZE(visuals
)] = { 0 };
1200 int config_count
= 0;
1202 /* The nesting of loops is significant here. Also significant is the order
1203 * of the HAL pixel formats. Many Android apps (such as Google's official
1204 * NDK GLES2 example app), and even portions the core framework code (such
1205 * as SystemServiceManager in Nougat), incorrectly choose their EGLConfig.
1206 * They neglect to match the EGLConfig's EGL_NATIVE_VISUAL_ID against the
1207 * window's native format, and instead choose the first EGLConfig whose
1208 * channel sizes match those of the native window format while ignoring the
1209 * channel *ordering*.
1211 * We can detect such buggy clients in logcat when they call
1212 * eglCreateSurface, by detecting the mismatch between the EGLConfig's
1213 * format and the window's format.
1215 * As a workaround, we generate EGLConfigs such that all EGLConfigs for HAL
1216 * pixel format i precede those for HAL pixel format i+1. In my
1217 * (chadversary) testing on Android Nougat, this was good enough to pacify
1218 * the buggy clients.
1220 bool has_rgba
= false;
1221 for (int i
= 0; i
< ARRAY_SIZE(visuals
); i
++) {
1222 /* Only enable BGRA configs when RGBA is not available. BGRA configs are
1223 * buggy on stock Android.
1225 if (visuals
[i
].format
== HAL_PIXEL_FORMAT_BGRA_8888
&& has_rgba
)
1227 for (int j
= 0; dri2_dpy
->driver_configs
[j
]; j
++) {
1228 const EGLint surface_type
= EGL_WINDOW_BIT
| EGL_PBUFFER_BIT
;
1230 const EGLint config_attrs
[] = {
1231 EGL_NATIVE_VISUAL_ID
, visuals
[i
].format
,
1232 EGL_NATIVE_VISUAL_TYPE
, visuals
[i
].format
,
1233 EGL_FRAMEBUFFER_TARGET_ANDROID
, EGL_TRUE
,
1234 EGL_RECORDABLE_ANDROID
, EGL_TRUE
,
1238 struct dri2_egl_config
*dri2_conf
=
1239 dri2_add_config(disp
, dri2_dpy
->driver_configs
[j
],
1240 config_count
+ 1, surface_type
, config_attrs
,
1241 visuals
[i
].rgba_shifts
, visuals
[i
].rgba_sizes
);
1243 if (dri2_conf
->base
.ConfigID
== config_count
+ 1)
1248 if (visuals
[i
].format
== HAL_PIXEL_FORMAT_RGBA_8888
&& format_count
[i
])
1252 for (int i
= 0; i
< ARRAY_SIZE(format_count
); i
++) {
1253 if (!format_count
[i
]) {
1254 _eglLog(_EGL_DEBUG
, "No DRI config supports native format 0x%x",
1259 return (config_count
!= 0);
1262 static const struct dri2_egl_display_vtbl droid_display_vtbl
= {
1263 .authenticate
= NULL
,
1264 .create_window_surface
= droid_create_window_surface
,
1265 .create_pbuffer_surface
= droid_create_pbuffer_surface
,
1266 .destroy_surface
= droid_destroy_surface
,
1267 .create_image
= droid_create_image_khr
,
1268 .swap_buffers
= droid_swap_buffers
,
1269 .swap_interval
= droid_swap_interval
,
1270 .query_buffer_age
= droid_query_buffer_age
,
1271 .query_surface
= droid_query_surface
,
1272 .create_wayland_buffer_from_image
= dri2_fallback_create_wayland_buffer_from_image
,
1273 .get_sync_values
= dri2_fallback_get_sync_values
,
1274 .get_dri_drawable
= dri2_surface_get_dri_drawable
,
1275 .set_shared_buffer_mode
= droid_set_shared_buffer_mode
,
1278 #ifdef HAVE_DRM_GRALLOC
1279 static const __DRIdri2LoaderExtension droid_dri2_loader_extension
= {
1280 .base
= { __DRI_DRI2_LOADER
, 4 },
1283 .flushFrontBuffer
= droid_flush_front_buffer
,
1284 .getBuffersWithFormat
= droid_get_buffers_with_format
,
1285 .getCapability
= droid_get_capability
,
1288 static const __DRIextension
*droid_dri2_loader_extensions
[] = {
1289 &droid_dri2_loader_extension
.base
,
1290 &image_lookup_extension
.base
,
1291 &use_invalidate
.base
,
1292 /* No __DRI_MUTABLE_RENDER_BUFFER_LOADER because it requires
1293 * __DRI_IMAGE_LOADER.
1297 #endif /* HAVE_DRM_GRALLOC */
1299 static const __DRIimageLoaderExtension droid_image_loader_extension
= {
1300 .base
= { __DRI_IMAGE_LOADER
, 2 },
1302 .getBuffers
= droid_image_get_buffers
,
1303 .flushFrontBuffer
= droid_flush_front_buffer
,
1304 .getCapability
= droid_get_capability
,
1308 droid_display_shared_buffer(__DRIdrawable
*driDrawable
, int fence_fd
,
1309 void *loaderPrivate
)
1311 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
1312 struct ANativeWindowBuffer
*old_buffer UNUSED
= dri2_surf
->buffer
;
1314 if (!_eglSurfaceInSharedBufferMode(&dri2_surf
->base
)) {
1315 _eglLog(_EGL_WARNING
, "%s: internal error: buffer is not shared",
1320 if (fence_fd
>= 0) {
1321 /* The driver's fence is more recent than the surface's out fence, if it
1322 * exists at all. So use the driver's fence.
1324 if (dri2_surf
->out_fence_fd
>= 0) {
1325 close(dri2_surf
->out_fence_fd
);
1326 dri2_surf
->out_fence_fd
= -1;
1328 } else if (dri2_surf
->out_fence_fd
>= 0) {
1329 fence_fd
= dri2_surf
->out_fence_fd
;
1330 dri2_surf
->out_fence_fd
= -1;
1333 if (dri2_surf
->window
->queueBuffer(dri2_surf
->window
, dri2_surf
->buffer
,
1335 _eglLog(_EGL_WARNING
, "%s: ANativeWindow::queueBuffer failed", __func__
);
1342 if (dri2_surf
->window
->dequeueBuffer(dri2_surf
->window
, &dri2_surf
->buffer
,
1344 /* Tear down the surface because it no longer has a back buffer. */
1345 struct dri2_egl_display
*dri2_dpy
=
1346 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
1348 _eglLog(_EGL_WARNING
, "%s: ANativeWindow::dequeueBuffer failed", __func__
);
1350 dri2_surf
->base
.Lost
= true;
1351 dri2_surf
->buffer
= NULL
;
1352 dri2_surf
->back
= NULL
;
1354 if (dri2_surf
->dri_image_back
) {
1355 dri2_dpy
->image
->destroyImage(dri2_surf
->dri_image_back
);
1356 dri2_surf
->dri_image_back
= NULL
;
1359 dri2_dpy
->flush
->invalidate(dri2_surf
->dri_drawable
);
1366 /* Access to the buffer is controlled by a sync fence. Block on it.
1368 * Ideally, we would submit the fence to the driver, and the driver would
1369 * postpone command execution until it signalled. But DRI lacks API for
1370 * that (as of 2018-04-11).
1372 * SYNC_IOC_WAIT waits forever if timeout < 0
1374 sync_wait(fence_fd
, -1);
1378 static const __DRImutableRenderBufferLoaderExtension droid_mutable_render_buffer_extension
= {
1379 .base
= { __DRI_MUTABLE_RENDER_BUFFER_LOADER
, 1 },
1380 .displaySharedBuffer
= droid_display_shared_buffer
,
1383 static const __DRIextension
*droid_image_loader_extensions
[] = {
1384 &droid_image_loader_extension
.base
,
1385 &image_lookup_extension
.base
,
1386 &use_invalidate
.base
,
1387 &droid_mutable_render_buffer_extension
.base
,
1392 droid_load_driver(_EGLDisplay
*disp
, bool swrast
)
1394 struct dri2_egl_display
*dri2_dpy
= disp
->DriverData
;
1397 dri2_dpy
->driver_name
= loader_get_driver_for_fd(dri2_dpy
->fd
);
1398 if (dri2_dpy
->driver_name
== NULL
)
1401 #ifdef HAVE_DRM_GRALLOC
1402 /* Handle control nodes using __DRI_DRI2_LOADER extension and GEM names
1403 * for backwards compatibility with drm_gralloc. (Do not use on new
1405 dri2_dpy
->loader_extensions
= droid_dri2_loader_extensions
;
1406 if (!dri2_load_driver(disp
)) {
1407 err
= "DRI2: failed to load driver";
1412 /* Use kms swrast only with vgem / virtio_gpu.
1413 * virtio-gpu fallbacks to software rendering when 3D features
1414 * are unavailable since 6c5ab.
1416 if (strcmp(dri2_dpy
->driver_name
, "vgem") == 0 ||
1417 strcmp(dri2_dpy
->driver_name
, "virtio_gpu") == 0) {
1418 free(dri2_dpy
->driver_name
);
1419 dri2_dpy
->driver_name
= strdup("kms_swrast");
1421 err
= "DRI3: failed to find software capable driver";
1426 dri2_dpy
->loader_extensions
= droid_image_loader_extensions
;
1427 if (!dri2_load_driver_dri3(disp
)) {
1428 err
= "DRI3: failed to load driver";
1436 free(dri2_dpy
->driver_name
);
1437 dri2_dpy
->driver_name
= NULL
;
1442 droid_unload_driver(_EGLDisplay
*disp
)
1444 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1446 dlclose(dri2_dpy
->driver
);
1447 dri2_dpy
->driver
= NULL
;
1448 free(dri2_dpy
->driver_name
);
1449 dri2_dpy
->driver_name
= NULL
;
1453 droid_filter_device(_EGLDisplay
*disp
, int fd
, const char *vendor
)
1455 drmVersionPtr ver
= drmGetVersion(fd
);
1459 if (strcmp(vendor
, ver
->name
) != 0) {
1460 drmFreeVersion(ver
);
1464 drmFreeVersion(ver
);
1469 droid_probe_device(_EGLDisplay
*disp
, bool swrast
)
1471 /* Check that the device is supported, by attempting to:
1472 * - load the dri module
1473 * - and, create a screen
1475 if (!droid_load_driver(disp
, swrast
))
1478 if (!dri2_create_screen(disp
)) {
1479 _eglLog(_EGL_WARNING
, "DRI2: failed to create screen");
1480 droid_unload_driver(disp
);
1486 #ifdef HAVE_DRM_GRALLOC
1488 droid_open_device(_EGLDisplay
*disp
, bool swrast
)
1490 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1491 int fd
= -1, err
= -EINVAL
;
1496 if (dri2_dpy
->gralloc
->perform
)
1497 err
= dri2_dpy
->gralloc
->perform(dri2_dpy
->gralloc
,
1498 GRALLOC_MODULE_PERFORM_GET_DRM_FD
,
1500 if (err
|| fd
< 0) {
1501 _eglLog(_EGL_WARNING
, "fail to get drm fd");
1505 dri2_dpy
->fd
= os_dupfd_cloexec(fd
);
1506 if (dri2_dpy
->fd
< 0)
1509 if (drmGetNodeTypeFromFd(dri2_dpy
->fd
) == DRM_NODE_RENDER
)
1512 return droid_probe_device(disp
, swrast
);
1516 droid_open_device(_EGLDisplay
*disp
, bool swrast
)
1518 #define MAX_DRM_DEVICES 64
1519 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1520 drmDevicePtr device
, devices
[MAX_DRM_DEVICES
] = { NULL
};
1523 char *vendor_name
= NULL
;
1524 char vendor_buf
[PROPERTY_VALUE_MAX
];
1526 #ifdef EGL_FORCE_RENDERNODE
1527 const unsigned node_type
= DRM_NODE_RENDER
;
1529 const unsigned node_type
= swrast
? DRM_NODE_PRIMARY
: DRM_NODE_RENDER
;
1532 if (property_get("drm.gpu.vendor_name", vendor_buf
, NULL
) > 0)
1533 vendor_name
= vendor_buf
;
1535 num_devices
= drmGetDevices2(0, devices
, ARRAY_SIZE(devices
));
1536 if (num_devices
< 0)
1539 for (int i
= 0; i
< num_devices
; i
++) {
1540 device
= devices
[i
];
1542 if (!(device
->available_nodes
& (1 << node_type
)))
1545 dri2_dpy
->fd
= loader_open_device(device
->nodes
[node_type
]);
1546 if (dri2_dpy
->fd
< 0) {
1547 _eglLog(_EGL_WARNING
, "%s() Failed to open DRM device %s",
1548 __func__
, device
->nodes
[node_type
]);
1552 /* If a vendor is explicitly provided, we use only that.
1553 * Otherwise we fall-back the first device that is supported.
1556 if (droid_filter_device(disp
, dri2_dpy
->fd
, vendor_name
)) {
1557 /* Device does not match - try next device */
1558 close(dri2_dpy
->fd
);
1562 /* If the requested device matches - use it. Regardless if
1563 * init fails, do not fall-back to any other device.
1565 if (!droid_probe_device(disp
, false)) {
1566 close(dri2_dpy
->fd
);
1572 if (droid_probe_device(disp
, swrast
))
1575 /* No explicit request - attempt the next device */
1576 close(dri2_dpy
->fd
);
1579 drmFreeDevices(devices
, num_devices
);
1581 if (dri2_dpy
->fd
< 0) {
1582 _eglLog(_EGL_WARNING
, "Failed to open %s DRM device",
1583 vendor_name
? "desired": "any");
1588 #undef MAX_DRM_DEVICES
1594 dri2_initialize_android(_EGLDriver
*drv
, _EGLDisplay
*disp
)
1597 bool device_opened
= false;
1598 struct dri2_egl_display
*dri2_dpy
;
1602 dri2_dpy
= calloc(1, sizeof(*dri2_dpy
));
1604 return _eglError(EGL_BAD_ALLOC
, "eglInitialize");
1607 ret
= hw_get_module(GRALLOC_HARDWARE_MODULE_ID
,
1608 (const hw_module_t
**)&dri2_dpy
->gralloc
);
1610 err
= "DRI2: failed to get gralloc module";
1614 disp
->DriverData
= (void *) dri2_dpy
;
1615 if (!disp
->Options
.ForceSoftware
)
1616 device_opened
= droid_open_device(disp
, false);
1618 device_opened
= droid_open_device(disp
, true);
1620 if (!device_opened
) {
1621 err
= "DRI2: failed to open device";
1625 dev
= _eglAddDevice(dri2_dpy
->fd
, false);
1627 err
= "DRI2: failed to find EGLDevice";
1633 if (!dri2_setup_extensions(disp
)) {
1634 err
= "DRI2: failed to setup extensions";
1638 dri2_setup_screen(disp
);
1640 /* We set the maximum swap interval as 1 for Android platform, since it is
1641 * the maximum value supported by Android according to the value of
1642 * ANativeWindow::maxSwapInterval.
1644 dri2_setup_swap_interval(disp
, 1);
1646 disp
->Extensions
.ANDROID_framebuffer_target
= EGL_TRUE
;
1647 disp
->Extensions
.ANDROID_image_native_buffer
= EGL_TRUE
;
1648 disp
->Extensions
.ANDROID_recordable
= EGL_TRUE
;
1650 /* Querying buffer age requires a buffer to be dequeued. Without
1651 * EGL_ANDROID_native_fence_sync, dequeue might call eglClientWaitSync and
1652 * result in a deadlock (the lock is already held by eglQuerySurface).
1654 if (disp
->Extensions
.ANDROID_native_fence_sync
) {
1655 disp
->Extensions
.EXT_buffer_age
= EGL_TRUE
;
1657 /* disable KHR_partial_update that might have been enabled in
1660 disp
->Extensions
.KHR_partial_update
= EGL_FALSE
;
1663 disp
->Extensions
.KHR_image
= EGL_TRUE
;
1664 #if ANDROID_API_LEVEL >= 24
1665 if (dri2_dpy
->mutable_render_buffer
&&
1666 dri2_dpy
->loader_extensions
== droid_image_loader_extensions
) {
1667 disp
->Extensions
.KHR_mutable_render_buffer
= EGL_TRUE
;
1671 /* Create configs *after* enabling extensions because presence of DRI
1672 * driver extensions can affect the capabilities of EGLConfigs.
1674 if (!droid_add_configs_for_visuals(drv
, disp
)) {
1675 err
= "DRI2: failed to add configs";
1679 /* Fill vtbl last to prevent accidentally calling virtual function during
1682 dri2_dpy
->vtbl
= &droid_display_vtbl
;
1687 dri2_display_destroy(disp
);
1688 return _eglError(EGL_NOT_INITIALIZED
, err
);