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_window_dequeue_buffer(struct dri2_egl_surface
*dri2_surf
)
193 if (dri2_surf
->window
->dequeueBuffer(dri2_surf
->window
, &dri2_surf
->buffer
,
197 /* If access to the buffer is controlled by a sync fence, then block on the
200 * It may be more performant to postpone blocking until there is an
201 * immediate need to write to the buffer. But doing so would require adding
202 * hooks to the DRI2 loader.
204 * From the ANativeWindow::dequeueBuffer documentation:
206 * The libsync fence file descriptor returned in the int pointed to by
207 * the fenceFd argument will refer to the fence that must signal
208 * before the dequeued buffer may be written to. A value of -1
209 * indicates that the caller may access the buffer immediately without
210 * waiting on a fence. If a valid file descriptor is returned (i.e.
211 * any value except -1) then the caller is responsible for closing the
215 /* From the SYNC_IOC_WAIT documentation in <linux/sync.h>:
217 * Waits indefinitely if timeout < 0.
220 sync_wait(fence_fd
, timeout
);
224 /* Record all the buffers created by ANativeWindow and update back buffer
225 * for updating buffer's age in swap_buffers.
227 EGLBoolean updated
= EGL_FALSE
;
228 for (int i
= 0; i
< dri2_surf
->color_buffers_count
; i
++) {
229 if (!dri2_surf
->color_buffers
[i
].buffer
) {
230 dri2_surf
->color_buffers
[i
].buffer
= dri2_surf
->buffer
;
232 if (dri2_surf
->color_buffers
[i
].buffer
== dri2_surf
->buffer
) {
233 dri2_surf
->back
= &dri2_surf
->color_buffers
[i
];
240 /* In case of all the buffers were recreated by ANativeWindow, reset
243 for (int i
= 0; i
< dri2_surf
->color_buffers_count
; i
++) {
244 dri2_surf
->color_buffers
[i
].buffer
= NULL
;
245 dri2_surf
->color_buffers
[i
].age
= 0;
247 dri2_surf
->color_buffers
[0].buffer
= dri2_surf
->buffer
;
248 dri2_surf
->back
= &dri2_surf
->color_buffers
[0];
255 droid_window_enqueue_buffer(_EGLDisplay
*disp
, struct dri2_egl_surface
*dri2_surf
)
257 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
259 /* To avoid blocking other EGL calls, release the display mutex before
260 * we enter droid_window_enqueue_buffer() and re-acquire the mutex upon
263 mtx_unlock(&disp
->Mutex
);
265 /* Queue the buffer with stored out fence fd. The ANativeWindow or buffer
266 * consumer may choose to wait for the fence to signal before accessing
267 * it. If fence fd value is -1, buffer can be accessed by consumer
268 * immediately. Consumer or application shouldn't rely on timestamp
269 * associated with fence if the fence fd is -1.
271 * Ownership of fd is transferred to consumer after queueBuffer and the
272 * consumer is responsible for closing it. Caller must not use the fd
273 * after passing it to queueBuffer.
275 int fence_fd
= dri2_surf
->out_fence_fd
;
276 dri2_surf
->out_fence_fd
= -1;
277 dri2_surf
->window
->queueBuffer(dri2_surf
->window
, dri2_surf
->buffer
,
280 dri2_surf
->buffer
= NULL
;
281 dri2_surf
->back
= NULL
;
283 mtx_lock(&disp
->Mutex
);
285 if (dri2_surf
->dri_image_back
) {
286 dri2_dpy
->image
->destroyImage(dri2_surf
->dri_image_back
);
287 dri2_surf
->dri_image_back
= NULL
;
294 droid_window_cancel_buffer(struct dri2_egl_surface
*dri2_surf
)
297 int fence_fd
= dri2_surf
->out_fence_fd
;
299 dri2_surf
->out_fence_fd
= -1;
300 ret
= dri2_surf
->window
->cancelBuffer(dri2_surf
->window
,
301 dri2_surf
->buffer
, fence_fd
);
302 dri2_surf
->buffer
= NULL
;
304 _eglLog(_EGL_WARNING
, "ANativeWindow::cancelBuffer failed");
305 dri2_surf
->base
.Lost
= EGL_TRUE
;
310 droid_set_shared_buffer_mode(_EGLDisplay
*disp
, _EGLSurface
*surf
, bool mode
)
312 #if ANDROID_API_LEVEL >= 24
313 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
314 struct ANativeWindow
*window
= dri2_surf
->window
;
316 assert(surf
->Type
== EGL_WINDOW_BIT
);
317 assert(_eglSurfaceHasMutableRenderBuffer(&dri2_surf
->base
));
319 _eglLog(_EGL_DEBUG
, "%s: mode=%d", __func__
, mode
);
321 if (native_window_set_shared_buffer_mode(window
, mode
)) {
322 _eglLog(_EGL_WARNING
, "failed native_window_set_shared_buffer_mode"
323 "(window=%p, mode=%d)", window
, mode
);
329 _eglLog(_EGL_FATAL
, "%s:%d: internal error: unreachable", __FILE__
, __LINE__
);
335 droid_create_surface(_EGLDisplay
*disp
, EGLint type
, _EGLConfig
*conf
,
336 void *native_window
, const EGLint
*attrib_list
)
338 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
339 struct dri2_egl_config
*dri2_conf
= dri2_egl_config(conf
);
340 struct dri2_egl_surface
*dri2_surf
;
341 struct ANativeWindow
*window
= native_window
;
342 const __DRIconfig
*config
;
344 dri2_surf
= calloc(1, sizeof *dri2_surf
);
346 _eglError(EGL_BAD_ALLOC
, "droid_create_surface");
350 if (!dri2_init_surface(&dri2_surf
->base
, disp
, type
, conf
, attrib_list
,
351 true, native_window
))
352 goto cleanup_surface
;
354 if (type
== EGL_WINDOW_BIT
) {
357 int min_buffer_count
, max_buffer_count
;
359 /* Prefer triple buffering for performance reasons. */
360 const int preferred_buffer_count
= 3;
362 if (window
->common
.magic
!= ANDROID_NATIVE_WINDOW_MAGIC
) {
363 _eglError(EGL_BAD_NATIVE_WINDOW
, "droid_create_surface");
364 goto cleanup_surface
;
366 if (window
->query(window
, NATIVE_WINDOW_FORMAT
, &format
)) {
367 _eglError(EGL_BAD_NATIVE_WINDOW
, "droid_create_surface");
368 goto cleanup_surface
;
371 /* Query ANativeWindow for MIN_UNDEQUEUED_BUFFER, minimum amount
372 * of undequeued buffers.
374 if (window
->query(window
, NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS
,
375 &min_buffer_count
)) {
376 _eglError(EGL_BAD_NATIVE_WINDOW
, "droid_create_surface");
377 goto cleanup_surface
;
380 /* Query for maximum buffer count, application can set this
381 * to limit the total amount of buffers.
383 if (window
->query(window
, NATIVE_WINDOW_MAX_BUFFER_COUNT
,
384 &max_buffer_count
)) {
385 _eglError(EGL_BAD_NATIVE_WINDOW
, "droid_create_surface");
386 goto cleanup_surface
;
389 /* Clamp preferred between minimum (min undequeued + 1 dequeued)
392 buffer_count
= CLAMP(preferred_buffer_count
, min_buffer_count
+ 1,
395 if (native_window_set_buffer_count(window
, buffer_count
)) {
396 _eglError(EGL_BAD_NATIVE_WINDOW
, "droid_create_surface");
397 goto cleanup_surface
;
399 dri2_surf
->color_buffers
= calloc(buffer_count
,
400 sizeof(*dri2_surf
->color_buffers
));
401 if (!dri2_surf
->color_buffers
) {
402 _eglError(EGL_BAD_ALLOC
, "droid_create_surface");
403 goto cleanup_surface
;
405 dri2_surf
->color_buffers_count
= buffer_count
;
407 if (format
!= dri2_conf
->base
.NativeVisualID
) {
408 _eglLog(_EGL_WARNING
, "Native format mismatch: 0x%x != 0x%x",
409 format
, dri2_conf
->base
.NativeVisualID
);
412 window
->query(window
, NATIVE_WINDOW_WIDTH
, &dri2_surf
->base
.Width
);
413 window
->query(window
, NATIVE_WINDOW_HEIGHT
, &dri2_surf
->base
.Height
);
415 uint32_t usage
= strcmp(dri2_dpy
->driver_name
, "kms_swrast") == 0
416 ? GRALLOC_USAGE_SW_READ_OFTEN
| GRALLOC_USAGE_SW_WRITE_OFTEN
417 : GRALLOC_USAGE_HW_RENDER
;
418 native_window_set_usage(window
, usage
);
421 config
= dri2_get_dri_config(dri2_conf
, type
,
422 dri2_surf
->base
.GLColorspace
);
424 _eglError(EGL_BAD_MATCH
, "Unsupported surfacetype/colorspace configuration");
425 goto cleanup_surface
;
428 if (!dri2_create_drawable(dri2_dpy
, config
, dri2_surf
, dri2_surf
))
429 goto cleanup_surface
;
432 window
->common
.incRef(&window
->common
);
433 dri2_surf
->window
= window
;
436 return &dri2_surf
->base
;
439 if (dri2_surf
->color_buffers_count
)
440 free(dri2_surf
->color_buffers
);
447 droid_create_window_surface(_EGLDisplay
*disp
, _EGLConfig
*conf
,
448 void *native_window
, const EGLint
*attrib_list
)
450 return droid_create_surface(disp
, EGL_WINDOW_BIT
, conf
,
451 native_window
, attrib_list
);
455 droid_create_pbuffer_surface(_EGLDisplay
*disp
, _EGLConfig
*conf
,
456 const EGLint
*attrib_list
)
458 return droid_create_surface(disp
, EGL_PBUFFER_BIT
, conf
,
463 droid_destroy_surface(_EGLDisplay
*disp
, _EGLSurface
*surf
)
465 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
466 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
468 dri2_egl_surface_free_local_buffers(dri2_surf
);
470 if (dri2_surf
->base
.Type
== EGL_WINDOW_BIT
) {
471 if (dri2_surf
->buffer
)
472 droid_window_cancel_buffer(dri2_surf
);
474 dri2_surf
->window
->common
.decRef(&dri2_surf
->window
->common
);
477 if (dri2_surf
->dri_image_back
) {
478 _eglLog(_EGL_DEBUG
, "%s : %d : destroy dri_image_back", __func__
, __LINE__
);
479 dri2_dpy
->image
->destroyImage(dri2_surf
->dri_image_back
);
480 dri2_surf
->dri_image_back
= NULL
;
483 if (dri2_surf
->dri_image_front
) {
484 _eglLog(_EGL_DEBUG
, "%s : %d : destroy dri_image_front", __func__
, __LINE__
);
485 dri2_dpy
->image
->destroyImage(dri2_surf
->dri_image_front
);
486 dri2_surf
->dri_image_front
= NULL
;
489 dri2_dpy
->core
->destroyDrawable(dri2_surf
->dri_drawable
);
491 dri2_fini_surface(surf
);
492 free(dri2_surf
->color_buffers
);
499 droid_swap_interval(_EGLDisplay
*disp
, _EGLSurface
*surf
, EGLint interval
)
501 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
502 struct ANativeWindow
*window
= dri2_surf
->window
;
504 if (window
->setSwapInterval(window
, interval
))
507 surf
->SwapInterval
= interval
;
512 update_buffers(struct dri2_egl_surface
*dri2_surf
)
514 if (dri2_surf
->base
.Lost
)
517 if (dri2_surf
->base
.Type
!= EGL_WINDOW_BIT
)
520 /* try to dequeue the next back buffer */
521 if (!dri2_surf
->buffer
&& !droid_window_dequeue_buffer(dri2_surf
)) {
522 _eglLog(_EGL_WARNING
, "Could not dequeue buffer from native window");
523 dri2_surf
->base
.Lost
= EGL_TRUE
;
527 /* free outdated buffers and update the surface size */
528 if (dri2_surf
->base
.Width
!= dri2_surf
->buffer
->width
||
529 dri2_surf
->base
.Height
!= dri2_surf
->buffer
->height
) {
530 dri2_egl_surface_free_local_buffers(dri2_surf
);
531 dri2_surf
->base
.Width
= dri2_surf
->buffer
->width
;
532 dri2_surf
->base
.Height
= dri2_surf
->buffer
->height
;
539 get_front_bo(struct dri2_egl_surface
*dri2_surf
, unsigned int format
)
541 struct dri2_egl_display
*dri2_dpy
=
542 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
544 if (dri2_surf
->dri_image_front
)
547 if (dri2_surf
->base
.Type
== EGL_WINDOW_BIT
) {
548 /* According current EGL spec, front buffer rendering
549 * for window surface is not supported now.
550 * and mesa doesn't have the implementation of this case.
551 * Add warning message, but not treat it as error.
553 _eglLog(_EGL_DEBUG
, "DRI driver requested unsupported front buffer for window surface");
554 } else if (dri2_surf
->base
.Type
== EGL_PBUFFER_BIT
) {
555 dri2_surf
->dri_image_front
=
556 dri2_dpy
->image
->createImage(dri2_dpy
->dri_screen
,
557 dri2_surf
->base
.Width
,
558 dri2_surf
->base
.Height
,
562 if (!dri2_surf
->dri_image_front
) {
563 _eglLog(_EGL_WARNING
, "dri2_image_front allocation failed");
572 get_back_bo(struct dri2_egl_surface
*dri2_surf
)
574 struct dri2_egl_display
*dri2_dpy
=
575 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
577 int offset
= 0, fds
[3];
580 if (dri2_surf
->dri_image_back
)
583 if (dri2_surf
->base
.Type
== EGL_WINDOW_BIT
) {
584 if (!dri2_surf
->buffer
) {
585 _eglLog(_EGL_WARNING
, "Could not get native buffer");
589 num_fds
= get_native_buffer_fds(dri2_surf
->buffer
, fds
);
591 _eglLog(_EGL_WARNING
, "Could not get native buffer FD");
595 fourcc
= get_fourcc(dri2_surf
->buffer
->format
);
597 pitch
= dri2_surf
->buffer
->stride
*
598 get_format_bpp(dri2_surf
->buffer
->format
);
600 if (fourcc
== -1 || pitch
== 0) {
601 _eglLog(_EGL_WARNING
, "Invalid buffer fourcc(%x) or pitch(%d)",
606 dri2_surf
->dri_image_back
=
607 dri2_dpy
->image
->createImageFromFds(dri2_dpy
->dri_screen
,
608 dri2_surf
->base
.Width
,
609 dri2_surf
->base
.Height
,
616 if (!dri2_surf
->dri_image_back
) {
617 _eglLog(_EGL_WARNING
, "failed to create DRI image from FD");
620 } else if (dri2_surf
->base
.Type
== EGL_PBUFFER_BIT
) {
621 /* The EGL 1.5 spec states that pbuffers are single-buffered. Specifically,
622 * the spec states that they have a back buffer but no front buffer, in
623 * contrast to pixmaps, which have a front buffer but no back buffer.
625 * Single-buffered surfaces with no front buffer confuse Mesa; so we deviate
626 * from the spec, following the precedent of Mesa's EGL X11 platform. The
627 * X11 platform correctly assigns pbuffers to single-buffered configs, but
628 * assigns the pbuffer a front buffer instead of a back buffer.
630 * Pbuffers in the X11 platform mostly work today, so let's just copy its
631 * behavior instead of trying to fix (and hence potentially breaking) the
634 _eglLog(_EGL_DEBUG
, "DRI driver requested unsupported back buffer for pbuffer surface");
640 /* Some drivers will pass multiple bits in buffer_mask.
641 * For such case, will go through all the bits, and
642 * will not return error when unsupported buffer is requested, only
643 * return error when the allocation for supported buffer failed.
646 droid_image_get_buffers(__DRIdrawable
*driDrawable
,
650 uint32_t buffer_mask
,
651 struct __DRIimageList
*images
)
653 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
655 images
->image_mask
= 0;
656 images
->front
= NULL
;
659 if (update_buffers(dri2_surf
) < 0)
662 if (_eglSurfaceInSharedBufferMode(&dri2_surf
->base
)) {
663 if (get_back_bo(dri2_surf
) < 0)
666 /* We have dri_image_back because this is a window surface and
667 * get_back_bo() succeeded.
669 assert(dri2_surf
->dri_image_back
);
670 images
->back
= dri2_surf
->dri_image_back
;
671 images
->image_mask
|= __DRI_IMAGE_BUFFER_SHARED
;
673 /* There exists no accompanying back nor front buffer. */
677 if (buffer_mask
& __DRI_IMAGE_BUFFER_FRONT
) {
678 if (get_front_bo(dri2_surf
, format
) < 0)
681 if (dri2_surf
->dri_image_front
) {
682 images
->front
= dri2_surf
->dri_image_front
;
683 images
->image_mask
|= __DRI_IMAGE_BUFFER_FRONT
;
687 if (buffer_mask
& __DRI_IMAGE_BUFFER_BACK
) {
688 if (get_back_bo(dri2_surf
) < 0)
691 if (dri2_surf
->dri_image_back
) {
692 images
->back
= dri2_surf
->dri_image_back
;
693 images
->image_mask
|= __DRI_IMAGE_BUFFER_BACK
;
701 droid_query_buffer_age(_EGLDisplay
*disp
, _EGLSurface
*surface
)
703 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surface
);
705 if (update_buffers(dri2_surf
) < 0) {
706 _eglError(EGL_BAD_ALLOC
, "droid_query_buffer_age");
710 return dri2_surf
->back
? dri2_surf
->back
->age
: 0;
714 droid_swap_buffers(_EGLDisplay
*disp
, _EGLSurface
*draw
)
716 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
717 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(draw
);
718 const bool has_mutable_rb
= _eglSurfaceHasMutableRenderBuffer(draw
);
720 /* From the EGL_KHR_mutable_render_buffer spec (v12):
722 * If surface is a single-buffered window, pixmap, or pbuffer surface
723 * for which there is no pending change to the EGL_RENDER_BUFFER
724 * attribute, eglSwapBuffers has no effect.
726 if (has_mutable_rb
&&
727 draw
->RequestedRenderBuffer
== EGL_SINGLE_BUFFER
&&
728 draw
->ActiveRenderBuffer
== EGL_SINGLE_BUFFER
) {
729 _eglLog(_EGL_DEBUG
, "%s: remain in shared buffer mode", __func__
);
733 for (int i
= 0; i
< dri2_surf
->color_buffers_count
; i
++) {
734 if (dri2_surf
->color_buffers
[i
].age
> 0)
735 dri2_surf
->color_buffers
[i
].age
++;
738 /* "XXX: we don't use get_back_bo() since it causes regressions in
739 * several dEQP tests.
742 dri2_surf
->back
->age
= 1;
744 dri2_flush_drawable_for_swapbuffers(disp
, draw
);
746 /* dri2_surf->buffer can be null even when no error has occured. For
747 * example, if the user has called no GL rendering commands since the
748 * previous eglSwapBuffers, then the driver may have not triggered
749 * a callback to ANativeWindow::dequeueBuffer, in which case
750 * dri2_surf->buffer remains null.
752 if (dri2_surf
->buffer
)
753 droid_window_enqueue_buffer(disp
, dri2_surf
);
755 dri2_dpy
->flush
->invalidate(dri2_surf
->dri_drawable
);
757 /* Update the shared buffer mode */
758 if (has_mutable_rb
&&
759 draw
->ActiveRenderBuffer
!= draw
->RequestedRenderBuffer
) {
760 bool mode
= (draw
->RequestedRenderBuffer
== EGL_SINGLE_BUFFER
);
761 _eglLog(_EGL_DEBUG
, "%s: change to shared buffer mode %d",
764 if (!droid_set_shared_buffer_mode(disp
, draw
, mode
))
766 draw
->ActiveRenderBuffer
= draw
->RequestedRenderBuffer
;
773 droid_create_image_from_prime_fds_yuv(_EGLDisplay
*disp
,
774 struct ANativeWindowBuffer
*buf
,
775 int num_fds
, int fds
[3])
777 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
778 struct android_ycbcr ycbcr
;
781 enum chroma_order chroma_order
;
786 if (!dri2_dpy
->gralloc
->lock_ycbcr
) {
787 _eglLog(_EGL_WARNING
, "Gralloc does not support lock_ycbcr");
791 memset(&ycbcr
, 0, sizeof(ycbcr
));
792 ret
= dri2_dpy
->gralloc
->lock_ycbcr(dri2_dpy
->gralloc
, buf
->handle
,
793 0, 0, 0, 0, 0, &ycbcr
);
795 /* HACK: See droid_create_image_from_prime_fds() and
796 * https://issuetracker.google.com/32077885.*/
797 if (buf
->format
== HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
)
800 _eglLog(_EGL_WARNING
, "gralloc->lock_ycbcr failed: %d", ret
);
803 dri2_dpy
->gralloc
->unlock(dri2_dpy
->gralloc
, buf
->handle
);
805 /* When lock_ycbcr's usage argument contains no SW_READ/WRITE flags
806 * it will return the .y/.cb/.cr pointers based on a NULL pointer,
807 * so they can be interpreted as offsets. */
808 offsets
[0] = (size_t)ycbcr
.y
;
809 /* We assume here that all the planes are located in one DMA-buf. */
810 if ((size_t)ycbcr
.cr
< (size_t)ycbcr
.cb
) {
811 chroma_order
= YCrCb
;
812 offsets
[1] = (size_t)ycbcr
.cr
;
813 offsets
[2] = (size_t)ycbcr
.cb
;
815 chroma_order
= YCbCr
;
816 offsets
[1] = (size_t)ycbcr
.cb
;
817 offsets
[2] = (size_t)ycbcr
.cr
;
820 /* .ystride is the line length (in bytes) of the Y plane,
821 * .cstride is the line length (in bytes) of any of the remaining
822 * Cb/Cr/CbCr planes, assumed to be the same for Cb and Cr for fully
824 pitches
[0] = ycbcr
.ystride
;
825 pitches
[1] = pitches
[2] = ycbcr
.cstride
;
827 /* .chroma_step is the byte distance between the same chroma channel
828 * values of subsequent pixels, assumed to be the same for Cb and Cr. */
829 fourcc
= get_fourcc_yuv(buf
->format
, chroma_order
, ycbcr
.chroma_step
);
831 _eglLog(_EGL_WARNING
, "unsupported YUV format, native = %x, chroma_order = %s, chroma_step = %d",
832 buf
->format
, chroma_order
== YCbCr
? "YCbCr" : "YCrCb", ycbcr
.chroma_step
);
837 * Since this is EGL_NATIVE_BUFFER_ANDROID don't assume that
838 * the single-fd case cannot happen. So handle eithe single
839 * fd or fd-per-plane case:
842 fds
[2] = fds
[1] = fds
[0];
844 int expected_planes
= (ycbcr
.chroma_step
== 2) ? 2 : 3;
845 assert(num_fds
== expected_planes
);
848 return dri2_dpy
->image
->createImageFromDmaBufs(dri2_dpy
->dri_screen
,
849 buf
->width
, buf
->height
, fourcc
,
850 fds
, num_fds
, pitches
, offsets
,
852 EGL_YUV_NARROW_RANGE_EXT
,
853 EGL_YUV_CHROMA_SITING_0_EXT
,
854 EGL_YUV_CHROMA_SITING_0_EXT
,
860 droid_create_image_from_prime_fds(_EGLDisplay
*disp
,
861 struct ANativeWindowBuffer
*buf
)
863 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
864 int pitches
[4] = { 0 }, offsets
[4] = { 0 };
869 num_fds
= get_native_buffer_fds(buf
, fds
);
873 if (is_yuv(buf
->format
)) {
876 image
= droid_create_image_from_prime_fds_yuv(disp
, buf
, num_fds
, fds
);
878 * HACK: https://issuetracker.google.com/32077885
879 * There is no API available to properly query the IMPLEMENTATION_DEFINED
880 * format. As a workaround we rely here on gralloc allocating either
881 * an arbitrary YCbCr 4:2:0 or RGBX_8888, with the latter being recognized
882 * by lock_ycbcr failing.
884 if (image
|| buf
->format
!= HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
)
889 * Non-YUV formats could *also* have multiple planes, such as ancillary
890 * color compression state buffer, but the rest of the code isn't ready
891 * yet to deal with modifiers:
893 assert(num_fds
== 1);
895 const int fourcc
= get_fourcc(buf
->format
);
897 _eglError(EGL_BAD_PARAMETER
, "eglCreateEGLImageKHR");
901 pitches
[0] = buf
->stride
* get_format_bpp(buf
->format
);
902 if (pitches
[0] == 0) {
903 _eglError(EGL_BAD_PARAMETER
, "eglCreateEGLImageKHR");
907 return dri2_dpy
->image
->createImageFromDmaBufs(dri2_dpy
->dri_screen
,
908 buf
->width
, buf
->height
, fourcc
,
909 fds
, num_fds
, pitches
, offsets
,
911 EGL_YUV_NARROW_RANGE_EXT
,
912 EGL_YUV_CHROMA_SITING_0_EXT
,
913 EGL_YUV_CHROMA_SITING_0_EXT
,
918 #ifdef HAVE_DRM_GRALLOC
919 static int get_format(int format
)
922 case HAL_PIXEL_FORMAT_BGRA_8888
: return __DRI_IMAGE_FORMAT_ARGB8888
;
923 case HAL_PIXEL_FORMAT_RGB_565
: return __DRI_IMAGE_FORMAT_RGB565
;
924 case HAL_PIXEL_FORMAT_RGBA_8888
: return __DRI_IMAGE_FORMAT_ABGR8888
;
925 case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
:
927 * HACK: Hardcode this to RGBX_8888 as per cros_gralloc hack.
928 * TODO: Revert this once https://issuetracker.google.com/32077885 is fixed.
930 case HAL_PIXEL_FORMAT_RGBX_8888
: return __DRI_IMAGE_FORMAT_XBGR8888
;
931 case HAL_PIXEL_FORMAT_RGBA_FP16
: return __DRI_IMAGE_FORMAT_ABGR16161616F
;
932 case HAL_PIXEL_FORMAT_RGBA_1010102
: return __DRI_IMAGE_FORMAT_ABGR2101010
;
934 _eglLog(_EGL_WARNING
, "unsupported native buffer format 0x%x", format
);
940 droid_create_image_from_name(_EGLDisplay
*disp
,
941 struct ANativeWindowBuffer
*buf
)
943 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
944 __DRIimage
*dri_image
;
948 name
= get_native_buffer_name(buf
);
950 _eglError(EGL_BAD_PARAMETER
, "eglCreateEGLImageKHR");
954 format
= get_format(buf
->format
);
959 dri2_dpy
->image
->createImageFromName(dri2_dpy
->dri_screen
,
967 #endif /* HAVE_DRM_GRALLOC */
970 droid_query_surface(_EGLDisplay
*disp
, _EGLSurface
*surf
,
971 EGLint attribute
, EGLint
*value
)
973 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
976 if (dri2_surf
->base
.Type
== EGL_WINDOW_BIT
&& dri2_surf
->window
) {
977 dri2_surf
->window
->query(dri2_surf
->window
,
978 NATIVE_WINDOW_DEFAULT_WIDTH
, value
);
983 if (dri2_surf
->base
.Type
== EGL_WINDOW_BIT
&& dri2_surf
->window
) {
984 dri2_surf
->window
->query(dri2_surf
->window
,
985 NATIVE_WINDOW_DEFAULT_HEIGHT
, value
);
992 return _eglQuerySurface(disp
, surf
, attribute
, value
);
996 dri2_create_image_android_native_buffer(_EGLDisplay
*disp
,
998 struct ANativeWindowBuffer
*buf
)
1001 /* From the EGL_ANDROID_image_native_buffer spec:
1003 * * If <target> is EGL_NATIVE_BUFFER_ANDROID and <ctx> is not
1004 * EGL_NO_CONTEXT, the error EGL_BAD_CONTEXT is generated.
1006 _eglError(EGL_BAD_CONTEXT
, "eglCreateEGLImageKHR: for "
1007 "EGL_NATIVE_BUFFER_ANDROID, the context must be "
1012 if (!buf
|| buf
->common
.magic
!= ANDROID_NATIVE_BUFFER_MAGIC
||
1013 buf
->common
.version
!= sizeof(*buf
)) {
1014 _eglError(EGL_BAD_PARAMETER
, "eglCreateEGLImageKHR");
1018 __DRIimage
*dri_image
=
1019 droid_create_image_from_prime_fds(disp
, buf
);
1021 #ifdef HAVE_DRM_GRALLOC
1022 if (dri_image
== NULL
)
1023 dri_image
= droid_create_image_from_name(disp
, buf
);
1027 return dri2_create_image_from_dri(disp
, dri_image
);
1033 droid_create_image_khr(_EGLDisplay
*disp
, _EGLContext
*ctx
, EGLenum target
,
1034 EGLClientBuffer buffer
, const EGLint
*attr_list
)
1037 case EGL_NATIVE_BUFFER_ANDROID
:
1038 return dri2_create_image_android_native_buffer(disp
, ctx
,
1039 (struct ANativeWindowBuffer
*) buffer
);
1041 return dri2_create_image_khr(disp
, ctx
, target
, buffer
, attr_list
);
1046 droid_flush_front_buffer(__DRIdrawable
* driDrawable
, void *loaderPrivate
)
1050 #ifdef HAVE_DRM_GRALLOC
1052 droid_get_buffers_parse_attachments(struct dri2_egl_surface
*dri2_surf
,
1053 unsigned int *attachments
, int count
)
1055 int num_buffers
= 0;
1057 /* fill dri2_surf->buffers */
1058 for (int i
= 0; i
< count
* 2; i
+= 2) {
1059 __DRIbuffer
*buf
, *local
;
1061 assert(num_buffers
< ARRAY_SIZE(dri2_surf
->buffers
));
1062 buf
= &dri2_surf
->buffers
[num_buffers
];
1064 switch (attachments
[i
]) {
1065 case __DRI_BUFFER_BACK_LEFT
:
1066 if (dri2_surf
->base
.Type
== EGL_WINDOW_BIT
) {
1067 buf
->attachment
= attachments
[i
];
1068 buf
->name
= get_native_buffer_name(dri2_surf
->buffer
);
1069 buf
->cpp
= get_format_bpp(dri2_surf
->buffer
->format
);
1070 buf
->pitch
= dri2_surf
->buffer
->stride
* buf
->cpp
;
1078 /* fall through for pbuffers */
1079 case __DRI_BUFFER_DEPTH
:
1080 case __DRI_BUFFER_STENCIL
:
1081 case __DRI_BUFFER_ACCUM
:
1082 case __DRI_BUFFER_DEPTH_STENCIL
:
1083 case __DRI_BUFFER_HIZ
:
1084 local
= dri2_egl_surface_alloc_local_buffer(dri2_surf
,
1085 attachments
[i
], attachments
[i
+ 1]);
1092 case __DRI_BUFFER_FRONT_LEFT
:
1093 case __DRI_BUFFER_FRONT_RIGHT
:
1094 case __DRI_BUFFER_FAKE_FRONT_LEFT
:
1095 case __DRI_BUFFER_FAKE_FRONT_RIGHT
:
1096 case __DRI_BUFFER_BACK_RIGHT
:
1098 /* no front or right buffers */
1106 static __DRIbuffer
*
1107 droid_get_buffers_with_format(__DRIdrawable
* driDrawable
,
1108 int *width
, int *height
,
1109 unsigned int *attachments
, int count
,
1110 int *out_count
, void *loaderPrivate
)
1112 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
1114 if (update_buffers(dri2_surf
) < 0)
1117 *out_count
= droid_get_buffers_parse_attachments(dri2_surf
, attachments
, count
);
1120 *width
= dri2_surf
->base
.Width
;
1122 *height
= dri2_surf
->base
.Height
;
1124 return dri2_surf
->buffers
;
1126 #endif /* HAVE_DRM_GRALLOC */
1129 droid_get_capability(void *loaderPrivate
, enum dri_loader_cap cap
)
1131 /* Note: loaderPrivate is _EGLDisplay* */
1133 case DRI_LOADER_CAP_RGBA_ORDERING
:
1141 droid_add_configs_for_visuals(_EGLDisplay
*disp
)
1143 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1144 static const struct {
1147 unsigned int rgba_sizes
[4];
1149 { HAL_PIXEL_FORMAT_RGBA_8888
, { 0, 8, 16, 24 }, { 8, 8, 8, 8 } },
1150 { HAL_PIXEL_FORMAT_RGBX_8888
, { 0, 8, 16, -1 }, { 8, 8, 8, 0 } },
1151 { HAL_PIXEL_FORMAT_RGB_565
, { 11, 5, 0, -1 }, { 5, 6, 5, 0 } },
1152 /* This must be after HAL_PIXEL_FORMAT_RGBA_8888, we only keep BGRA
1153 * visual if it turns out RGBA visual is not available.
1155 { HAL_PIXEL_FORMAT_BGRA_8888
, { 16, 8, 0, 24 }, { 8, 8, 8, 8 } },
1158 unsigned int format_count
[ARRAY_SIZE(visuals
)] = { 0 };
1159 int config_count
= 0;
1161 /* The nesting of loops is significant here. Also significant is the order
1162 * of the HAL pixel formats. Many Android apps (such as Google's official
1163 * NDK GLES2 example app), and even portions the core framework code (such
1164 * as SystemServiceManager in Nougat), incorrectly choose their EGLConfig.
1165 * They neglect to match the EGLConfig's EGL_NATIVE_VISUAL_ID against the
1166 * window's native format, and instead choose the first EGLConfig whose
1167 * channel sizes match those of the native window format while ignoring the
1168 * channel *ordering*.
1170 * We can detect such buggy clients in logcat when they call
1171 * eglCreateSurface, by detecting the mismatch between the EGLConfig's
1172 * format and the window's format.
1174 * As a workaround, we generate EGLConfigs such that all EGLConfigs for HAL
1175 * pixel format i precede those for HAL pixel format i+1. In my
1176 * (chadversary) testing on Android Nougat, this was good enough to pacify
1177 * the buggy clients.
1179 bool has_rgba
= false;
1180 for (int i
= 0; i
< ARRAY_SIZE(visuals
); i
++) {
1181 /* Only enable BGRA configs when RGBA is not available. BGRA configs are
1182 * buggy on stock Android.
1184 if (visuals
[i
].format
== HAL_PIXEL_FORMAT_BGRA_8888
&& has_rgba
)
1186 for (int j
= 0; dri2_dpy
->driver_configs
[j
]; j
++) {
1187 const EGLint surface_type
= EGL_WINDOW_BIT
| EGL_PBUFFER_BIT
;
1189 const EGLint config_attrs
[] = {
1190 EGL_NATIVE_VISUAL_ID
, visuals
[i
].format
,
1191 EGL_NATIVE_VISUAL_TYPE
, visuals
[i
].format
,
1192 EGL_FRAMEBUFFER_TARGET_ANDROID
, EGL_TRUE
,
1193 EGL_RECORDABLE_ANDROID
, EGL_TRUE
,
1197 struct dri2_egl_config
*dri2_conf
=
1198 dri2_add_config(disp
, dri2_dpy
->driver_configs
[j
],
1199 config_count
+ 1, surface_type
, config_attrs
,
1200 visuals
[i
].rgba_shifts
, visuals
[i
].rgba_sizes
);
1202 if (dri2_conf
->base
.ConfigID
== config_count
+ 1)
1207 if (visuals
[i
].format
== HAL_PIXEL_FORMAT_RGBA_8888
&& format_count
[i
])
1211 for (int i
= 0; i
< ARRAY_SIZE(format_count
); i
++) {
1212 if (!format_count
[i
]) {
1213 _eglLog(_EGL_DEBUG
, "No DRI config supports native format 0x%x",
1218 return (config_count
!= 0);
1221 static const struct dri2_egl_display_vtbl droid_display_vtbl
= {
1222 .authenticate
= NULL
,
1223 .create_window_surface
= droid_create_window_surface
,
1224 .create_pbuffer_surface
= droid_create_pbuffer_surface
,
1225 .destroy_surface
= droid_destroy_surface
,
1226 .create_image
= droid_create_image_khr
,
1227 .swap_buffers
= droid_swap_buffers
,
1228 .swap_interval
= droid_swap_interval
,
1229 .query_buffer_age
= droid_query_buffer_age
,
1230 .query_surface
= droid_query_surface
,
1231 .get_dri_drawable
= dri2_surface_get_dri_drawable
,
1232 .set_shared_buffer_mode
= droid_set_shared_buffer_mode
,
1235 #ifdef HAVE_DRM_GRALLOC
1236 static const __DRIdri2LoaderExtension droid_dri2_loader_extension
= {
1237 .base
= { __DRI_DRI2_LOADER
, 4 },
1240 .flushFrontBuffer
= droid_flush_front_buffer
,
1241 .getBuffersWithFormat
= droid_get_buffers_with_format
,
1242 .getCapability
= droid_get_capability
,
1245 static const __DRIextension
*droid_dri2_loader_extensions
[] = {
1246 &droid_dri2_loader_extension
.base
,
1247 &image_lookup_extension
.base
,
1248 &use_invalidate
.base
,
1249 /* No __DRI_MUTABLE_RENDER_BUFFER_LOADER because it requires
1250 * __DRI_IMAGE_LOADER.
1254 #endif /* HAVE_DRM_GRALLOC */
1256 static const __DRIimageLoaderExtension droid_image_loader_extension
= {
1257 .base
= { __DRI_IMAGE_LOADER
, 2 },
1259 .getBuffers
= droid_image_get_buffers
,
1260 .flushFrontBuffer
= droid_flush_front_buffer
,
1261 .getCapability
= droid_get_capability
,
1265 droid_display_shared_buffer(__DRIdrawable
*driDrawable
, int fence_fd
,
1266 void *loaderPrivate
)
1268 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
1269 struct ANativeWindowBuffer
*old_buffer UNUSED
= dri2_surf
->buffer
;
1271 if (!_eglSurfaceInSharedBufferMode(&dri2_surf
->base
)) {
1272 _eglLog(_EGL_WARNING
, "%s: internal error: buffer is not shared",
1277 if (fence_fd
>= 0) {
1278 /* The driver's fence is more recent than the surface's out fence, if it
1279 * exists at all. So use the driver's fence.
1281 if (dri2_surf
->out_fence_fd
>= 0) {
1282 close(dri2_surf
->out_fence_fd
);
1283 dri2_surf
->out_fence_fd
= -1;
1285 } else if (dri2_surf
->out_fence_fd
>= 0) {
1286 fence_fd
= dri2_surf
->out_fence_fd
;
1287 dri2_surf
->out_fence_fd
= -1;
1290 if (dri2_surf
->window
->queueBuffer(dri2_surf
->window
, dri2_surf
->buffer
,
1292 _eglLog(_EGL_WARNING
, "%s: ANativeWindow::queueBuffer failed", __func__
);
1299 if (dri2_surf
->window
->dequeueBuffer(dri2_surf
->window
, &dri2_surf
->buffer
,
1301 /* Tear down the surface because it no longer has a back buffer. */
1302 struct dri2_egl_display
*dri2_dpy
=
1303 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
1305 _eglLog(_EGL_WARNING
, "%s: ANativeWindow::dequeueBuffer failed", __func__
);
1307 dri2_surf
->base
.Lost
= true;
1308 dri2_surf
->buffer
= NULL
;
1309 dri2_surf
->back
= NULL
;
1311 if (dri2_surf
->dri_image_back
) {
1312 dri2_dpy
->image
->destroyImage(dri2_surf
->dri_image_back
);
1313 dri2_surf
->dri_image_back
= NULL
;
1316 dri2_dpy
->flush
->invalidate(dri2_surf
->dri_drawable
);
1323 /* Access to the buffer is controlled by a sync fence. Block on it.
1325 * Ideally, we would submit the fence to the driver, and the driver would
1326 * postpone command execution until it signalled. But DRI lacks API for
1327 * that (as of 2018-04-11).
1329 * SYNC_IOC_WAIT waits forever if timeout < 0
1331 sync_wait(fence_fd
, -1);
1335 static const __DRImutableRenderBufferLoaderExtension droid_mutable_render_buffer_extension
= {
1336 .base
= { __DRI_MUTABLE_RENDER_BUFFER_LOADER
, 1 },
1337 .displaySharedBuffer
= droid_display_shared_buffer
,
1340 static const __DRIextension
*droid_image_loader_extensions
[] = {
1341 &droid_image_loader_extension
.base
,
1342 &image_lookup_extension
.base
,
1343 &use_invalidate
.base
,
1344 &droid_mutable_render_buffer_extension
.base
,
1349 droid_load_driver(_EGLDisplay
*disp
, bool swrast
)
1351 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1353 dri2_dpy
->driver_name
= loader_get_driver_for_fd(dri2_dpy
->fd
);
1354 if (dri2_dpy
->driver_name
== NULL
)
1357 #ifdef HAVE_DRM_GRALLOC
1358 /* Handle control nodes using __DRI_DRI2_LOADER extension and GEM names
1359 * for backwards compatibility with drm_gralloc. (Do not use on new
1361 dri2_dpy
->loader_extensions
= droid_dri2_loader_extensions
;
1362 if (!dri2_load_driver(disp
)) {
1367 /* Use kms swrast only with vgem / virtio_gpu.
1368 * virtio-gpu fallbacks to software rendering when 3D features
1369 * are unavailable since 6c5ab.
1371 if (strcmp(dri2_dpy
->driver_name
, "vgem") == 0 ||
1372 strcmp(dri2_dpy
->driver_name
, "virtio_gpu") == 0) {
1373 free(dri2_dpy
->driver_name
);
1374 dri2_dpy
->driver_name
= strdup("kms_swrast");
1380 dri2_dpy
->loader_extensions
= droid_image_loader_extensions
;
1381 if (!dri2_load_driver_dri3(disp
)) {
1389 free(dri2_dpy
->driver_name
);
1390 dri2_dpy
->driver_name
= NULL
;
1395 droid_unload_driver(_EGLDisplay
*disp
)
1397 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1399 dlclose(dri2_dpy
->driver
);
1400 dri2_dpy
->driver
= NULL
;
1401 free(dri2_dpy
->driver_name
);
1402 dri2_dpy
->driver_name
= NULL
;
1406 droid_filter_device(_EGLDisplay
*disp
, int fd
, const char *vendor
)
1408 drmVersionPtr ver
= drmGetVersion(fd
);
1412 if (strcmp(vendor
, ver
->name
) != 0) {
1413 drmFreeVersion(ver
);
1417 drmFreeVersion(ver
);
1422 droid_probe_device(_EGLDisplay
*disp
, bool swrast
)
1424 /* Check that the device is supported, by attempting to:
1425 * - load the dri module
1426 * - and, create a screen
1428 if (!droid_load_driver(disp
, swrast
))
1431 if (!dri2_create_screen(disp
)) {
1432 _eglLog(_EGL_WARNING
, "DRI2: failed to create screen");
1433 droid_unload_driver(disp
);
1439 #ifdef HAVE_DRM_GRALLOC
1441 droid_open_device(_EGLDisplay
*disp
, bool swrast
)
1443 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1444 int fd
= -1, err
= -EINVAL
;
1449 if (dri2_dpy
->gralloc
->perform
)
1450 err
= dri2_dpy
->gralloc
->perform(dri2_dpy
->gralloc
,
1451 GRALLOC_MODULE_PERFORM_GET_DRM_FD
,
1453 if (err
|| fd
< 0) {
1454 _eglLog(_EGL_WARNING
, "fail to get drm fd");
1458 dri2_dpy
->fd
= os_dupfd_cloexec(fd
);
1459 if (dri2_dpy
->fd
< 0)
1462 if (drmGetNodeTypeFromFd(dri2_dpy
->fd
) == DRM_NODE_RENDER
)
1465 return droid_probe_device(disp
, swrast
);
1469 droid_open_device(_EGLDisplay
*disp
, bool swrast
)
1471 #define MAX_DRM_DEVICES 64
1472 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1473 drmDevicePtr device
, devices
[MAX_DRM_DEVICES
] = { NULL
};
1476 char *vendor_name
= NULL
;
1477 char vendor_buf
[PROPERTY_VALUE_MAX
];
1479 #ifdef EGL_FORCE_RENDERNODE
1480 const unsigned node_type
= DRM_NODE_RENDER
;
1482 const unsigned node_type
= swrast
? DRM_NODE_PRIMARY
: DRM_NODE_RENDER
;
1485 if (property_get("drm.gpu.vendor_name", vendor_buf
, NULL
) > 0)
1486 vendor_name
= vendor_buf
;
1488 num_devices
= drmGetDevices2(0, devices
, ARRAY_SIZE(devices
));
1489 if (num_devices
< 0)
1492 for (int i
= 0; i
< num_devices
; i
++) {
1493 device
= devices
[i
];
1495 if (!(device
->available_nodes
& (1 << node_type
)))
1498 dri2_dpy
->fd
= loader_open_device(device
->nodes
[node_type
]);
1499 if (dri2_dpy
->fd
< 0) {
1500 _eglLog(_EGL_WARNING
, "%s() Failed to open DRM device %s",
1501 __func__
, device
->nodes
[node_type
]);
1505 /* If a vendor is explicitly provided, we use only that.
1506 * Otherwise we fall-back the first device that is supported.
1509 if (droid_filter_device(disp
, dri2_dpy
->fd
, vendor_name
)) {
1510 /* Device does not match - try next device */
1511 close(dri2_dpy
->fd
);
1515 /* If the requested device matches - use it. Regardless if
1516 * init fails, do not fall-back to any other device.
1518 if (!droid_probe_device(disp
, false)) {
1519 close(dri2_dpy
->fd
);
1525 if (droid_probe_device(disp
, swrast
))
1528 /* No explicit request - attempt the next device */
1529 close(dri2_dpy
->fd
);
1532 drmFreeDevices(devices
, num_devices
);
1534 if (dri2_dpy
->fd
< 0) {
1535 _eglLog(_EGL_WARNING
, "Failed to open %s DRM device",
1536 vendor_name
? "desired": "any");
1541 #undef MAX_DRM_DEVICES
1547 dri2_initialize_android(_EGLDisplay
*disp
)
1550 bool device_opened
= false;
1551 struct dri2_egl_display
*dri2_dpy
;
1555 dri2_dpy
= calloc(1, sizeof(*dri2_dpy
));
1557 return _eglError(EGL_BAD_ALLOC
, "eglInitialize");
1560 ret
= hw_get_module(GRALLOC_HARDWARE_MODULE_ID
,
1561 (const hw_module_t
**)&dri2_dpy
->gralloc
);
1563 err
= "DRI2: failed to get gralloc module";
1567 disp
->DriverData
= (void *) dri2_dpy
;
1568 if (!disp
->Options
.ForceSoftware
)
1569 device_opened
= droid_open_device(disp
, false);
1571 device_opened
= droid_open_device(disp
, true);
1573 if (!device_opened
) {
1574 err
= "DRI2: failed to open device";
1578 dev
= _eglAddDevice(dri2_dpy
->fd
, false);
1580 err
= "DRI2: failed to find EGLDevice";
1586 if (!dri2_setup_extensions(disp
)) {
1587 err
= "DRI2: failed to setup extensions";
1591 dri2_setup_screen(disp
);
1593 /* We set the maximum swap interval as 1 for Android platform, since it is
1594 * the maximum value supported by Android according to the value of
1595 * ANativeWindow::maxSwapInterval.
1597 dri2_setup_swap_interval(disp
, 1);
1599 disp
->Extensions
.ANDROID_framebuffer_target
= EGL_TRUE
;
1600 disp
->Extensions
.ANDROID_image_native_buffer
= EGL_TRUE
;
1601 disp
->Extensions
.ANDROID_recordable
= EGL_TRUE
;
1603 /* Querying buffer age requires a buffer to be dequeued. Without
1604 * EGL_ANDROID_native_fence_sync, dequeue might call eglClientWaitSync and
1605 * result in a deadlock (the lock is already held by eglQuerySurface).
1607 if (disp
->Extensions
.ANDROID_native_fence_sync
) {
1608 disp
->Extensions
.EXT_buffer_age
= EGL_TRUE
;
1610 /* disable KHR_partial_update that might have been enabled in
1613 disp
->Extensions
.KHR_partial_update
= EGL_FALSE
;
1616 disp
->Extensions
.KHR_image
= EGL_TRUE
;
1617 #if ANDROID_API_LEVEL >= 24
1618 if (dri2_dpy
->mutable_render_buffer
&&
1619 dri2_dpy
->loader_extensions
== droid_image_loader_extensions
) {
1620 disp
->Extensions
.KHR_mutable_render_buffer
= EGL_TRUE
;
1624 /* Create configs *after* enabling extensions because presence of DRI
1625 * driver extensions can affect the capabilities of EGLConfigs.
1627 if (!droid_add_configs_for_visuals(disp
)) {
1628 err
= "DRI2: failed to add configs";
1632 /* Fill vtbl last to prevent accidentally calling virtual function during
1635 dri2_dpy
->vtbl
= &droid_display_vtbl
;
1640 dri2_display_destroy(disp
);
1641 return _eglError(EGL_NOT_INITIALIZED
, err
);