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>
43 #include "egl_dri2_fallbacks.h"
45 #ifdef HAVE_DRM_GRALLOC
46 #include <gralloc_drm_handle.h>
47 #include "gralloc_drm.h"
48 #endif /* HAVE_DRM_GRALLOC */
50 #define ALIGN(val, align) (((val) + (align) - 1) & ~((align) - 1))
57 struct droid_yuv_format
{
59 int native
; /* HAL_PIXEL_FORMAT_ */
60 enum chroma_order chroma_order
; /* chroma order is {Cb, Cr} or {Cr, Cb} */
61 int chroma_step
; /* Distance in bytes between subsequent chroma pixels. */
64 int fourcc
; /* __DRI_IMAGE_FOURCC_ */
67 /* The following table is used to look up a DRI image FourCC based
68 * on native format and information contained in android_ycbcr struct. */
69 static const struct droid_yuv_format droid_yuv_formats
[] = {
70 /* Native format, YCrCb, Chroma step, DRI image FourCC */
71 { HAL_PIXEL_FORMAT_YCbCr_420_888
, YCbCr
, 2, __DRI_IMAGE_FOURCC_NV12
},
72 { HAL_PIXEL_FORMAT_YCbCr_420_888
, YCbCr
, 1, __DRI_IMAGE_FOURCC_YUV420
},
73 { HAL_PIXEL_FORMAT_YCbCr_420_888
, YCrCb
, 1, __DRI_IMAGE_FOURCC_YVU420
},
74 { HAL_PIXEL_FORMAT_YV12
, YCrCb
, 1, __DRI_IMAGE_FOURCC_YVU420
},
75 /* HACK: See droid_create_image_from_prime_fd() and
76 * https://issuetracker.google.com/32077885. */
77 { HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
, YCbCr
, 2, __DRI_IMAGE_FOURCC_NV12
},
78 { HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
, YCbCr
, 1, __DRI_IMAGE_FOURCC_YUV420
},
79 { HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
, YCrCb
, 1, __DRI_IMAGE_FOURCC_YVU420
},
80 { HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
, YCrCb
, 1, __DRI_IMAGE_FOURCC_AYUV
},
81 { HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
, YCrCb
, 1, __DRI_IMAGE_FOURCC_XYUV8888
},
85 get_fourcc_yuv(int native
, enum chroma_order chroma_order
, int chroma_step
)
87 for (int i
= 0; i
< ARRAY_SIZE(droid_yuv_formats
); ++i
)
88 if (droid_yuv_formats
[i
].native
== native
&&
89 droid_yuv_formats
[i
].chroma_order
== chroma_order
&&
90 droid_yuv_formats
[i
].chroma_step
== chroma_step
)
91 return droid_yuv_formats
[i
].fourcc
;
99 for (int i
= 0; i
< ARRAY_SIZE(droid_yuv_formats
); ++i
)
100 if (droid_yuv_formats
[i
].native
== native
)
107 get_format_bpp(int native
)
112 case HAL_PIXEL_FORMAT_RGBA_8888
:
113 case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
:
115 * HACK: Hardcode this to RGBX_8888 as per cros_gralloc hack.
116 * TODO: Remove this once https://issuetracker.google.com/32077885 is fixed.
118 case HAL_PIXEL_FORMAT_RGBX_8888
:
119 case HAL_PIXEL_FORMAT_BGRA_8888
:
122 case HAL_PIXEL_FORMAT_RGB_565
:
133 /* createImageFromFds requires fourcc format */
134 static int get_fourcc(int native
)
137 case HAL_PIXEL_FORMAT_RGB_565
: return __DRI_IMAGE_FOURCC_RGB565
;
138 case HAL_PIXEL_FORMAT_BGRA_8888
: return __DRI_IMAGE_FOURCC_ARGB8888
;
139 case HAL_PIXEL_FORMAT_RGBA_8888
: return __DRI_IMAGE_FOURCC_ABGR8888
;
140 case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
:
142 * HACK: Hardcode this to RGBX_8888 as per cros_gralloc hack.
143 * TODO: Remove this once https://issuetracker.google.com/32077885 is fixed.
145 case HAL_PIXEL_FORMAT_RGBX_8888
: return __DRI_IMAGE_FOURCC_XBGR8888
;
147 _eglLog(_EGL_WARNING
, "unsupported native buffer format 0x%x", native
);
152 static int get_format(int format
)
155 case HAL_PIXEL_FORMAT_BGRA_8888
: return __DRI_IMAGE_FORMAT_ARGB8888
;
156 case HAL_PIXEL_FORMAT_RGB_565
: return __DRI_IMAGE_FORMAT_RGB565
;
157 case HAL_PIXEL_FORMAT_RGBA_8888
: return __DRI_IMAGE_FORMAT_ABGR8888
;
158 case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
:
160 * HACK: Hardcode this to RGBX_8888 as per cros_gralloc hack.
161 * TODO: Revert this once https://issuetracker.google.com/32077885 is fixed.
163 case HAL_PIXEL_FORMAT_RGBX_8888
: return __DRI_IMAGE_FORMAT_XBGR8888
;
165 _eglLog(_EGL_WARNING
, "unsupported native buffer format 0x%x", format
);
171 get_native_buffer_fd(struct ANativeWindowBuffer
*buf
)
173 native_handle_t
*handle
= (native_handle_t
*)buf
->handle
;
175 * Various gralloc implementations exist, but the dma-buf fd tends
176 * to be first. Access it directly to avoid a dependency on specific
179 return (handle
&& handle
->numFds
) ? handle
->data
[0] : -1;
182 #ifdef HAVE_DRM_GRALLOC
184 get_native_buffer_name(struct ANativeWindowBuffer
*buf
)
186 return gralloc_drm_get_gem_handle(buf
->handle
);
188 #endif /* HAVE_DRM_GRALLOC */
191 droid_window_dequeue_buffer(struct dri2_egl_surface
*dri2_surf
)
195 if (dri2_surf
->window
->dequeueBuffer(dri2_surf
->window
, &dri2_surf
->buffer
,
199 /* If access to the buffer is controlled by a sync fence, then block on the
202 * It may be more performant to postpone blocking until there is an
203 * immediate need to write to the buffer. But doing so would require adding
204 * hooks to the DRI2 loader.
206 * From the ANativeWindow::dequeueBuffer documentation:
208 * The libsync fence file descriptor returned in the int pointed to by
209 * the fenceFd argument will refer to the fence that must signal
210 * before the dequeued buffer may be written to. A value of -1
211 * indicates that the caller may access the buffer immediately without
212 * waiting on a fence. If a valid file descriptor is returned (i.e.
213 * any value except -1) then the caller is responsible for closing the
217 /* From the SYNC_IOC_WAIT documentation in <linux/sync.h>:
219 * Waits indefinitely if timeout < 0.
222 sync_wait(fence_fd
, timeout
);
226 dri2_surf
->buffer
->common
.incRef(&dri2_surf
->buffer
->common
);
228 /* Record all the buffers created by ANativeWindow and update back buffer
229 * for updating buffer's age in swap_buffers.
231 EGLBoolean updated
= EGL_FALSE
;
232 for (int i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++) {
233 if (!dri2_surf
->color_buffers
[i
].buffer
) {
234 dri2_surf
->color_buffers
[i
].buffer
= dri2_surf
->buffer
;
236 if (dri2_surf
->color_buffers
[i
].buffer
== dri2_surf
->buffer
) {
237 dri2_surf
->back
= &dri2_surf
->color_buffers
[i
];
244 /* In case of all the buffers were recreated by ANativeWindow, reset
247 for (int i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++) {
248 dri2_surf
->color_buffers
[i
].buffer
= NULL
;
249 dri2_surf
->color_buffers
[i
].age
= 0;
251 dri2_surf
->color_buffers
[0].buffer
= dri2_surf
->buffer
;
252 dri2_surf
->back
= &dri2_surf
->color_buffers
[0];
259 droid_window_enqueue_buffer(_EGLDisplay
*disp
, struct dri2_egl_surface
*dri2_surf
)
261 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
263 /* To avoid blocking other EGL calls, release the display mutex before
264 * we enter droid_window_enqueue_buffer() and re-acquire the mutex upon
267 mtx_unlock(&disp
->Mutex
);
269 /* Queue the buffer with stored out fence fd. The ANativeWindow or buffer
270 * consumer may choose to wait for the fence to signal before accessing
271 * it. If fence fd value is -1, buffer can be accessed by consumer
272 * immediately. Consumer or application shouldn't rely on timestamp
273 * associated with fence if the fence fd is -1.
275 * Ownership of fd is transferred to consumer after queueBuffer and the
276 * consumer is responsible for closing it. Caller must not use the fd
277 * after passing it to queueBuffer.
279 int fence_fd
= dri2_surf
->out_fence_fd
;
280 dri2_surf
->out_fence_fd
= -1;
281 dri2_surf
->window
->queueBuffer(dri2_surf
->window
, dri2_surf
->buffer
,
284 dri2_surf
->buffer
->common
.decRef(&dri2_surf
->buffer
->common
);
285 dri2_surf
->buffer
= NULL
;
286 dri2_surf
->back
= NULL
;
288 mtx_lock(&disp
->Mutex
);
290 if (dri2_surf
->dri_image_back
) {
291 dri2_dpy
->image
->destroyImage(dri2_surf
->dri_image_back
);
292 dri2_surf
->dri_image_back
= NULL
;
299 droid_window_cancel_buffer(struct dri2_egl_surface
*dri2_surf
)
302 int fence_fd
= dri2_surf
->out_fence_fd
;
304 dri2_surf
->out_fence_fd
= -1;
305 ret
= dri2_surf
->window
->cancelBuffer(dri2_surf
->window
,
306 dri2_surf
->buffer
, fence_fd
);
308 _eglLog(_EGL_WARNING
, "ANativeWindow::cancelBuffer failed");
309 dri2_surf
->base
.Lost
= EGL_TRUE
;
314 droid_set_shared_buffer_mode(_EGLDisplay
*disp
, _EGLSurface
*surf
, bool mode
)
316 #if ANDROID_API_LEVEL >= 24
317 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
318 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
319 struct ANativeWindow
*window
= dri2_surf
->window
;
321 assert(surf
->Type
== EGL_WINDOW_BIT
);
322 assert(_eglSurfaceHasMutableRenderBuffer(&dri2_surf
->base
));
324 _eglLog(_EGL_DEBUG
, "%s: mode=%d", __func__
, mode
);
326 if (native_window_set_shared_buffer_mode(window
, mode
)) {
327 _eglLog(_EGL_WARNING
, "failed native_window_set_shared_buffer_mode"
328 "(window=%p, mode=%d)", window
, mode
);
334 _eglLog(_EGL_FATAL
, "%s:%d: internal error: unreachable", __FILE__
, __LINE__
);
340 droid_create_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
, EGLint type
,
341 _EGLConfig
*conf
, void *native_window
,
342 const EGLint
*attrib_list
)
344 __DRIcreateNewDrawableFunc createNewDrawable
;
345 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
346 struct dri2_egl_config
*dri2_conf
= dri2_egl_config(conf
);
347 struct dri2_egl_surface
*dri2_surf
;
348 struct ANativeWindow
*window
= native_window
;
349 const __DRIconfig
*config
;
351 dri2_surf
= calloc(1, sizeof *dri2_surf
);
353 _eglError(EGL_BAD_ALLOC
, "droid_create_surface");
357 if (!dri2_init_surface(&dri2_surf
->base
, disp
, type
, conf
, attrib_list
,
358 true, native_window
))
359 goto cleanup_surface
;
361 if (type
== EGL_WINDOW_BIT
) {
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 if (format
!= dri2_conf
->base
.NativeVisualID
) {
374 _eglLog(_EGL_WARNING
, "Native format mismatch: 0x%x != 0x%x",
375 format
, dri2_conf
->base
.NativeVisualID
);
378 window
->query(window
, NATIVE_WINDOW_WIDTH
, &dri2_surf
->base
.Width
);
379 window
->query(window
, NATIVE_WINDOW_HEIGHT
, &dri2_surf
->base
.Height
);
382 config
= dri2_get_dri_config(dri2_conf
, type
,
383 dri2_surf
->base
.GLColorspace
);
385 _eglError(EGL_BAD_MATCH
, "Unsupported surfacetype/colorspace configuration");
386 goto cleanup_surface
;
389 if (dri2_dpy
->image_driver
)
390 createNewDrawable
= dri2_dpy
->image_driver
->createNewDrawable
;
392 createNewDrawable
= dri2_dpy
->dri2
->createNewDrawable
;
394 dri2_surf
->dri_drawable
= (*createNewDrawable
)(dri2_dpy
->dri_screen
, config
,
396 if (dri2_surf
->dri_drawable
== NULL
) {
397 _eglError(EGL_BAD_ALLOC
, "createNewDrawable");
398 goto cleanup_surface
;
402 window
->common
.incRef(&window
->common
);
403 dri2_surf
->window
= window
;
406 return &dri2_surf
->base
;
415 droid_create_window_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
416 _EGLConfig
*conf
, void *native_window
,
417 const EGLint
*attrib_list
)
419 return droid_create_surface(drv
, disp
, EGL_WINDOW_BIT
, conf
,
420 native_window
, attrib_list
);
424 droid_create_pbuffer_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
425 _EGLConfig
*conf
, const EGLint
*attrib_list
)
427 return droid_create_surface(drv
, disp
, EGL_PBUFFER_BIT
, conf
,
432 droid_destroy_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*surf
)
434 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
435 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
437 dri2_egl_surface_free_local_buffers(dri2_surf
);
439 if (dri2_surf
->base
.Type
== EGL_WINDOW_BIT
) {
440 if (dri2_surf
->buffer
)
441 droid_window_cancel_buffer(dri2_surf
);
443 dri2_surf
->window
->common
.decRef(&dri2_surf
->window
->common
);
446 if (dri2_surf
->dri_image_back
) {
447 _eglLog(_EGL_DEBUG
, "%s : %d : destroy dri_image_back", __func__
, __LINE__
);
448 dri2_dpy
->image
->destroyImage(dri2_surf
->dri_image_back
);
449 dri2_surf
->dri_image_back
= NULL
;
452 if (dri2_surf
->dri_image_front
) {
453 _eglLog(_EGL_DEBUG
, "%s : %d : destroy dri_image_front", __func__
, __LINE__
);
454 dri2_dpy
->image
->destroyImage(dri2_surf
->dri_image_front
);
455 dri2_surf
->dri_image_front
= NULL
;
458 dri2_dpy
->core
->destroyDrawable(dri2_surf
->dri_drawable
);
460 dri2_fini_surface(surf
);
467 droid_swap_interval(_EGLDriver
*drv
, _EGLDisplay
*disp
,
468 _EGLSurface
*surf
, EGLint interval
)
470 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
471 struct ANativeWindow
*window
= dri2_surf
->window
;
473 if (window
->setSwapInterval(window
, interval
))
476 surf
->SwapInterval
= interval
;
481 update_buffers(struct dri2_egl_surface
*dri2_surf
)
483 if (dri2_surf
->base
.Lost
)
486 if (dri2_surf
->base
.Type
!= EGL_WINDOW_BIT
)
489 /* try to dequeue the next back buffer */
490 if (!dri2_surf
->buffer
&& !droid_window_dequeue_buffer(dri2_surf
)) {
491 _eglLog(_EGL_WARNING
, "Could not dequeue buffer from native window");
492 dri2_surf
->base
.Lost
= EGL_TRUE
;
496 /* free outdated buffers and update the surface size */
497 if (dri2_surf
->base
.Width
!= dri2_surf
->buffer
->width
||
498 dri2_surf
->base
.Height
!= dri2_surf
->buffer
->height
) {
499 dri2_egl_surface_free_local_buffers(dri2_surf
);
500 dri2_surf
->base
.Width
= dri2_surf
->buffer
->width
;
501 dri2_surf
->base
.Height
= dri2_surf
->buffer
->height
;
508 get_front_bo(struct dri2_egl_surface
*dri2_surf
, unsigned int format
)
510 struct dri2_egl_display
*dri2_dpy
=
511 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
513 if (dri2_surf
->dri_image_front
)
516 if (dri2_surf
->base
.Type
== EGL_WINDOW_BIT
) {
517 /* According current EGL spec, front buffer rendering
518 * for window surface is not supported now.
519 * and mesa doesn't have the implementation of this case.
520 * Add warning message, but not treat it as error.
522 _eglLog(_EGL_DEBUG
, "DRI driver requested unsupported front buffer for window surface");
523 } else if (dri2_surf
->base
.Type
== EGL_PBUFFER_BIT
) {
524 dri2_surf
->dri_image_front
=
525 dri2_dpy
->image
->createImage(dri2_dpy
->dri_screen
,
526 dri2_surf
->base
.Width
,
527 dri2_surf
->base
.Height
,
531 if (!dri2_surf
->dri_image_front
) {
532 _eglLog(_EGL_WARNING
, "dri2_image_front allocation failed");
541 get_back_bo(struct dri2_egl_surface
*dri2_surf
)
543 struct dri2_egl_display
*dri2_dpy
=
544 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
548 if (dri2_surf
->dri_image_back
)
551 if (dri2_surf
->base
.Type
== EGL_WINDOW_BIT
) {
552 if (!dri2_surf
->buffer
) {
553 _eglLog(_EGL_WARNING
, "Could not get native buffer");
557 fd
= get_native_buffer_fd(dri2_surf
->buffer
);
559 _eglLog(_EGL_WARNING
, "Could not get native buffer FD");
563 fourcc
= get_fourcc(dri2_surf
->buffer
->format
);
565 pitch
= dri2_surf
->buffer
->stride
*
566 get_format_bpp(dri2_surf
->buffer
->format
);
568 if (fourcc
== -1 || pitch
== 0) {
569 _eglLog(_EGL_WARNING
, "Invalid buffer fourcc(%x) or pitch(%d)",
574 dri2_surf
->dri_image_back
=
575 dri2_dpy
->image
->createImageFromFds(dri2_dpy
->dri_screen
,
576 dri2_surf
->base
.Width
,
577 dri2_surf
->base
.Height
,
584 if (!dri2_surf
->dri_image_back
) {
585 _eglLog(_EGL_WARNING
, "failed to create DRI image from FD");
588 } else if (dri2_surf
->base
.Type
== EGL_PBUFFER_BIT
) {
589 /* The EGL 1.5 spec states that pbuffers are single-buffered. Specifically,
590 * the spec states that they have a back buffer but no front buffer, in
591 * contrast to pixmaps, which have a front buffer but no back buffer.
593 * Single-buffered surfaces with no front buffer confuse Mesa; so we deviate
594 * from the spec, following the precedent of Mesa's EGL X11 platform. The
595 * X11 platform correctly assigns pbuffers to single-buffered configs, but
596 * assigns the pbuffer a front buffer instead of a back buffer.
598 * Pbuffers in the X11 platform mostly work today, so let's just copy its
599 * behavior instead of trying to fix (and hence potentially breaking) the
602 _eglLog(_EGL_DEBUG
, "DRI driver requested unsupported back buffer for pbuffer surface");
608 /* Some drivers will pass multiple bits in buffer_mask.
609 * For such case, will go through all the bits, and
610 * will not return error when unsupported buffer is requested, only
611 * return error when the allocation for supported buffer failed.
614 droid_image_get_buffers(__DRIdrawable
*driDrawable
,
618 uint32_t buffer_mask
,
619 struct __DRIimageList
*images
)
621 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
623 images
->image_mask
= 0;
624 images
->front
= NULL
;
627 if (update_buffers(dri2_surf
) < 0)
630 if (_eglSurfaceInSharedBufferMode(&dri2_surf
->base
)) {
631 if (get_back_bo(dri2_surf
) < 0)
634 /* We have dri_image_back because this is a window surface and
635 * get_back_bo() succeeded.
637 assert(dri2_surf
->dri_image_back
);
638 images
->back
= dri2_surf
->dri_image_back
;
639 images
->image_mask
|= __DRI_IMAGE_BUFFER_SHARED
;
641 /* There exists no accompanying back nor front buffer. */
645 if (buffer_mask
& __DRI_IMAGE_BUFFER_FRONT
) {
646 if (get_front_bo(dri2_surf
, format
) < 0)
649 if (dri2_surf
->dri_image_front
) {
650 images
->front
= dri2_surf
->dri_image_front
;
651 images
->image_mask
|= __DRI_IMAGE_BUFFER_FRONT
;
655 if (buffer_mask
& __DRI_IMAGE_BUFFER_BACK
) {
656 if (get_back_bo(dri2_surf
) < 0)
659 if (dri2_surf
->dri_image_back
) {
660 images
->back
= dri2_surf
->dri_image_back
;
661 images
->image_mask
|= __DRI_IMAGE_BUFFER_BACK
;
669 droid_query_buffer_age(_EGLDriver
*drv
,
670 _EGLDisplay
*disp
, _EGLSurface
*surface
)
672 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surface
);
674 if (update_buffers(dri2_surf
) < 0) {
675 _eglError(EGL_BAD_ALLOC
, "droid_query_buffer_age");
679 return dri2_surf
->back
? dri2_surf
->back
->age
: 0;
683 droid_swap_buffers(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*draw
)
685 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
686 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(draw
);
687 const bool has_mutable_rb
= _eglSurfaceHasMutableRenderBuffer(draw
);
689 /* From the EGL_KHR_mutable_render_buffer spec (v12):
691 * If surface is a single-buffered window, pixmap, or pbuffer surface
692 * for which there is no pending change to the EGL_RENDER_BUFFER
693 * attribute, eglSwapBuffers has no effect.
695 if (has_mutable_rb
&&
696 draw
->RequestedRenderBuffer
== EGL_SINGLE_BUFFER
&&
697 draw
->ActiveRenderBuffer
== EGL_SINGLE_BUFFER
) {
698 _eglLog(_EGL_DEBUG
, "%s: remain in shared buffer mode", __func__
);
702 for (int i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++) {
703 if (dri2_surf
->color_buffers
[i
].age
> 0)
704 dri2_surf
->color_buffers
[i
].age
++;
707 /* "XXX: we don't use get_back_bo() since it causes regressions in
708 * several dEQP tests.
711 dri2_surf
->back
->age
= 1;
713 dri2_flush_drawable_for_swapbuffers(disp
, draw
);
715 /* dri2_surf->buffer can be null even when no error has occured. For
716 * example, if the user has called no GL rendering commands since the
717 * previous eglSwapBuffers, then the driver may have not triggered
718 * a callback to ANativeWindow::dequeueBuffer, in which case
719 * dri2_surf->buffer remains null.
721 if (dri2_surf
->buffer
)
722 droid_window_enqueue_buffer(disp
, dri2_surf
);
724 dri2_dpy
->flush
->invalidate(dri2_surf
->dri_drawable
);
726 /* Update the shared buffer mode */
727 if (has_mutable_rb
&&
728 draw
->ActiveRenderBuffer
!= draw
->RequestedRenderBuffer
) {
729 bool mode
= (draw
->RequestedRenderBuffer
== EGL_SINGLE_BUFFER
);
730 _eglLog(_EGL_DEBUG
, "%s: change to shared buffer mode %d",
733 if (!droid_set_shared_buffer_mode(disp
, draw
, mode
))
735 draw
->ActiveRenderBuffer
= draw
->RequestedRenderBuffer
;
741 #if ANDROID_API_LEVEL >= 23
743 droid_set_damage_region(_EGLDriver
*drv
,
745 _EGLSurface
*draw
, const EGLint
* rects
, EGLint n_rects
)
747 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
748 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(draw
);
749 android_native_rect_t
* droid_rects
= NULL
;
755 droid_rects
= malloc(n_rects
* sizeof(android_native_rect_t
));
756 if (droid_rects
== NULL
)
757 return _eglError(EGL_BAD_ALLOC
, "eglSetDamageRegionKHR");
759 for (EGLint num_drects
= 0; num_drects
< n_rects
; num_drects
++) {
760 EGLint i
= num_drects
* 4;
761 droid_rects
[num_drects
].left
= rects
[i
];
762 droid_rects
[num_drects
].bottom
= rects
[i
+ 1];
763 droid_rects
[num_drects
].right
= rects
[i
] + rects
[i
+ 2];
764 droid_rects
[num_drects
].top
= rects
[i
+ 1] + rects
[i
+ 3];
768 * XXX/TODO: Need to check for other return values
771 ret
= native_window_set_surface_damage(dri2_surf
->window
, droid_rects
, n_rects
);
774 return ret
== 0 ? EGL_TRUE
: EGL_FALSE
;
779 droid_create_image_from_prime_fd_yuv(_EGLDisplay
*disp
, _EGLContext
*ctx
,
780 struct ANativeWindowBuffer
*buf
, int fd
)
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_fd() 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
);
840 if (ycbcr
.chroma_step
== 2) {
841 /* Semi-planar Y + CbCr or Y + CrCb format. */
842 const EGLint attr_list_2plane
[] = {
843 EGL_WIDTH
, buf
->width
,
844 EGL_HEIGHT
, buf
->height
,
845 EGL_LINUX_DRM_FOURCC_EXT
, fourcc
,
846 EGL_DMA_BUF_PLANE0_FD_EXT
, fd
,
847 EGL_DMA_BUF_PLANE0_PITCH_EXT
, pitches
[0],
848 EGL_DMA_BUF_PLANE0_OFFSET_EXT
, offsets
[0],
849 EGL_DMA_BUF_PLANE1_FD_EXT
, fd
,
850 EGL_DMA_BUF_PLANE1_PITCH_EXT
, pitches
[1],
851 EGL_DMA_BUF_PLANE1_OFFSET_EXT
, offsets
[1],
855 return dri2_create_image_dma_buf(disp
, ctx
, NULL
, attr_list_2plane
);
857 /* Fully planar Y + Cb + Cr or Y + Cr + Cb format. */
858 const EGLint attr_list_3plane
[] = {
859 EGL_WIDTH
, buf
->width
,
860 EGL_HEIGHT
, buf
->height
,
861 EGL_LINUX_DRM_FOURCC_EXT
, fourcc
,
862 EGL_DMA_BUF_PLANE0_FD_EXT
, fd
,
863 EGL_DMA_BUF_PLANE0_PITCH_EXT
, pitches
[0],
864 EGL_DMA_BUF_PLANE0_OFFSET_EXT
, offsets
[0],
865 EGL_DMA_BUF_PLANE1_FD_EXT
, fd
,
866 EGL_DMA_BUF_PLANE1_PITCH_EXT
, pitches
[1],
867 EGL_DMA_BUF_PLANE1_OFFSET_EXT
, offsets
[1],
868 EGL_DMA_BUF_PLANE2_FD_EXT
, fd
,
869 EGL_DMA_BUF_PLANE2_PITCH_EXT
, pitches
[2],
870 EGL_DMA_BUF_PLANE2_OFFSET_EXT
, offsets
[2],
874 return dri2_create_image_dma_buf(disp
, ctx
, NULL
, attr_list_3plane
);
879 droid_create_image_from_prime_fd(_EGLDisplay
*disp
, _EGLContext
*ctx
,
880 struct ANativeWindowBuffer
*buf
, int fd
)
884 if (is_yuv(buf
->format
)) {
887 image
= droid_create_image_from_prime_fd_yuv(disp
, ctx
, buf
, fd
);
889 * HACK: https://issuetracker.google.com/32077885
890 * There is no API available to properly query the IMPLEMENTATION_DEFINED
891 * format. As a workaround we rely here on gralloc allocating either
892 * an arbitrary YCbCr 4:2:0 or RGBX_8888, with the latter being recognized
893 * by lock_ycbcr failing.
895 if (image
|| buf
->format
!= HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED
)
899 const int fourcc
= get_fourcc(buf
->format
);
901 _eglError(EGL_BAD_PARAMETER
, "eglCreateEGLImageKHR");
905 pitch
= buf
->stride
* get_format_bpp(buf
->format
);
907 _eglError(EGL_BAD_PARAMETER
, "eglCreateEGLImageKHR");
911 const EGLint attr_list
[] = {
912 EGL_WIDTH
, buf
->width
,
913 EGL_HEIGHT
, buf
->height
,
914 EGL_LINUX_DRM_FOURCC_EXT
, fourcc
,
915 EGL_DMA_BUF_PLANE0_FD_EXT
, fd
,
916 EGL_DMA_BUF_PLANE0_PITCH_EXT
, pitch
,
917 EGL_DMA_BUF_PLANE0_OFFSET_EXT
, 0,
921 return dri2_create_image_dma_buf(disp
, ctx
, NULL
, attr_list
);
924 #ifdef HAVE_DRM_GRALLOC
926 droid_create_image_from_name(_EGLDisplay
*disp
, _EGLContext
*ctx
,
927 struct ANativeWindowBuffer
*buf
)
929 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
930 struct dri2_egl_image
*dri2_img
;
934 name
= get_native_buffer_name(buf
);
936 _eglError(EGL_BAD_PARAMETER
, "eglCreateEGLImageKHR");
940 format
= get_format(buf
->format
);
944 dri2_img
= calloc(1, sizeof(*dri2_img
));
946 _eglError(EGL_BAD_ALLOC
, "droid_create_image_mesa_drm");
950 _eglInitImage(&dri2_img
->base
, disp
);
952 dri2_img
->dri_image
=
953 dri2_dpy
->image
->createImageFromName(dri2_dpy
->dri_screen
,
960 if (!dri2_img
->dri_image
) {
962 _eglError(EGL_BAD_ALLOC
, "droid_create_image_mesa_drm");
966 return &dri2_img
->base
;
968 #endif /* HAVE_DRM_GRALLOC */
971 droid_query_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*surf
,
972 EGLint attribute
, EGLint
*value
)
974 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
977 if (dri2_surf
->base
.Type
== EGL_WINDOW_BIT
&& dri2_surf
->window
) {
978 dri2_surf
->window
->query(dri2_surf
->window
,
979 NATIVE_WINDOW_DEFAULT_WIDTH
, value
);
984 if (dri2_surf
->base
.Type
== EGL_WINDOW_BIT
&& dri2_surf
->window
) {
985 dri2_surf
->window
->query(dri2_surf
->window
,
986 NATIVE_WINDOW_DEFAULT_HEIGHT
, value
);
993 return _eglQuerySurface(drv
, disp
, surf
, attribute
, value
);
997 dri2_create_image_android_native_buffer(_EGLDisplay
*disp
,
999 struct ANativeWindowBuffer
*buf
)
1004 /* From the EGL_ANDROID_image_native_buffer spec:
1006 * * If <target> is EGL_NATIVE_BUFFER_ANDROID and <ctx> is not
1007 * EGL_NO_CONTEXT, the error EGL_BAD_CONTEXT is generated.
1009 _eglError(EGL_BAD_CONTEXT
, "eglCreateEGLImageKHR: for "
1010 "EGL_NATIVE_BUFFER_ANDROID, the context must be "
1015 if (!buf
|| buf
->common
.magic
!= ANDROID_NATIVE_BUFFER_MAGIC
||
1016 buf
->common
.version
!= sizeof(*buf
)) {
1017 _eglError(EGL_BAD_PARAMETER
, "eglCreateEGLImageKHR");
1021 fd
= get_native_buffer_fd(buf
);
1023 return droid_create_image_from_prime_fd(disp
, ctx
, buf
, fd
);
1025 #ifdef HAVE_DRM_GRALLOC
1026 return droid_create_image_from_name(disp
, ctx
, buf
);
1033 droid_create_image_khr(_EGLDriver
*drv
, _EGLDisplay
*disp
,
1034 _EGLContext
*ctx
, EGLenum target
,
1035 EGLClientBuffer buffer
, const EGLint
*attr_list
)
1038 case EGL_NATIVE_BUFFER_ANDROID
:
1039 return dri2_create_image_android_native_buffer(disp
, ctx
,
1040 (struct ANativeWindowBuffer
*) buffer
);
1042 return dri2_create_image_khr(drv
, disp
, ctx
, target
, buffer
, attr_list
);
1047 droid_flush_front_buffer(__DRIdrawable
* driDrawable
, void *loaderPrivate
)
1051 #ifdef HAVE_DRM_GRALLOC
1053 droid_get_buffers_parse_attachments(struct dri2_egl_surface
*dri2_surf
,
1054 unsigned int *attachments
, int count
)
1056 int num_buffers
= 0;
1058 /* fill dri2_surf->buffers */
1059 for (int i
= 0; i
< count
* 2; i
+= 2) {
1060 __DRIbuffer
*buf
, *local
;
1062 assert(num_buffers
< ARRAY_SIZE(dri2_surf
->buffers
));
1063 buf
= &dri2_surf
->buffers
[num_buffers
];
1065 switch (attachments
[i
]) {
1066 case __DRI_BUFFER_BACK_LEFT
:
1067 if (dri2_surf
->base
.Type
== EGL_WINDOW_BIT
) {
1068 buf
->attachment
= attachments
[i
];
1069 buf
->name
= get_native_buffer_name(dri2_surf
->buffer
);
1070 buf
->cpp
= get_format_bpp(dri2_surf
->buffer
->format
);
1071 buf
->pitch
= dri2_surf
->buffer
->stride
* buf
->cpp
;
1079 /* fall through for pbuffers */
1080 case __DRI_BUFFER_DEPTH
:
1081 case __DRI_BUFFER_STENCIL
:
1082 case __DRI_BUFFER_ACCUM
:
1083 case __DRI_BUFFER_DEPTH_STENCIL
:
1084 case __DRI_BUFFER_HIZ
:
1085 local
= dri2_egl_surface_alloc_local_buffer(dri2_surf
,
1086 attachments
[i
], attachments
[i
+ 1]);
1093 case __DRI_BUFFER_FRONT_LEFT
:
1094 case __DRI_BUFFER_FRONT_RIGHT
:
1095 case __DRI_BUFFER_FAKE_FRONT_LEFT
:
1096 case __DRI_BUFFER_FAKE_FRONT_RIGHT
:
1097 case __DRI_BUFFER_BACK_RIGHT
:
1099 /* no front or right buffers */
1107 static __DRIbuffer
*
1108 droid_get_buffers_with_format(__DRIdrawable
* driDrawable
,
1109 int *width
, int *height
,
1110 unsigned int *attachments
, int count
,
1111 int *out_count
, void *loaderPrivate
)
1113 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
1115 if (update_buffers(dri2_surf
) < 0)
1118 *out_count
= droid_get_buffers_parse_attachments(dri2_surf
, attachments
, count
);
1121 *width
= dri2_surf
->base
.Width
;
1123 *height
= dri2_surf
->base
.Height
;
1125 return dri2_surf
->buffers
;
1127 #endif /* HAVE_DRM_GRALLOC */
1130 droid_get_capability(void *loaderPrivate
, enum dri_loader_cap cap
)
1132 /* Note: loaderPrivate is _EGLDisplay* */
1134 case DRI_LOADER_CAP_RGBA_ORDERING
:
1142 droid_add_configs_for_visuals(_EGLDriver
*drv
, _EGLDisplay
*disp
)
1144 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1145 static const struct {
1147 unsigned int rgba_masks
[4];
1149 { HAL_PIXEL_FORMAT_RGBA_8888
, { 0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000 } },
1150 { HAL_PIXEL_FORMAT_RGBX_8888
, { 0x000000ff, 0x0000ff00, 0x00ff0000, 0x00000000 } },
1151 { HAL_PIXEL_FORMAT_RGB_565
, { 0x0000f800, 0x000007e0, 0x0000001f, 0x00000000 } },
1152 { HAL_PIXEL_FORMAT_BGRA_8888
, { 0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000 } },
1155 unsigned int format_count
[ARRAY_SIZE(visuals
)] = { 0 };
1156 int config_count
= 0;
1158 /* The nesting of loops is significant here. Also significant is the order
1159 * of the HAL pixel formats. Many Android apps (such as Google's official
1160 * NDK GLES2 example app), and even portions the core framework code (such
1161 * as SystemServiceManager in Nougat), incorrectly choose their EGLConfig.
1162 * They neglect to match the EGLConfig's EGL_NATIVE_VISUAL_ID against the
1163 * window's native format, and instead choose the first EGLConfig whose
1164 * channel sizes match those of the native window format while ignoring the
1165 * channel *ordering*.
1167 * We can detect such buggy clients in logcat when they call
1168 * eglCreateSurface, by detecting the mismatch between the EGLConfig's
1169 * format and the window's format.
1171 * As a workaround, we generate EGLConfigs such that all EGLConfigs for HAL
1172 * pixel format i precede those for HAL pixel format i+1. In my
1173 * (chadversary) testing on Android Nougat, this was good enough to pacify
1174 * the buggy clients.
1176 for (int i
= 0; i
< ARRAY_SIZE(visuals
); i
++) {
1177 for (int j
= 0; dri2_dpy
->driver_configs
[j
]; j
++) {
1178 const EGLint surface_type
= EGL_WINDOW_BIT
| EGL_PBUFFER_BIT
;
1180 const EGLint config_attrs
[] = {
1181 EGL_NATIVE_VISUAL_ID
, visuals
[i
].format
,
1182 EGL_NATIVE_VISUAL_TYPE
, visuals
[i
].format
,
1183 EGL_FRAMEBUFFER_TARGET_ANDROID
, EGL_TRUE
,
1184 EGL_RECORDABLE_ANDROID
, EGL_TRUE
,
1188 struct dri2_egl_config
*dri2_conf
=
1189 dri2_add_config(disp
, dri2_dpy
->driver_configs
[j
],
1190 config_count
+ 1, surface_type
, config_attrs
,
1191 visuals
[i
].rgba_masks
);
1193 if (dri2_conf
->base
.ConfigID
== config_count
+ 1)
1200 for (int i
= 0; i
< ARRAY_SIZE(format_count
); i
++) {
1201 if (!format_count
[i
]) {
1202 _eglLog(_EGL_DEBUG
, "No DRI config supports native format 0x%x",
1207 return (config_count
!= 0);
1210 static const struct dri2_egl_display_vtbl droid_display_vtbl
= {
1211 .authenticate
= NULL
,
1212 .create_window_surface
= droid_create_window_surface
,
1213 .create_pixmap_surface
= dri2_fallback_create_pixmap_surface
,
1214 .create_pbuffer_surface
= droid_create_pbuffer_surface
,
1215 .destroy_surface
= droid_destroy_surface
,
1216 .create_image
= droid_create_image_khr
,
1217 .swap_buffers
= droid_swap_buffers
,
1218 .swap_buffers_with_damage
= dri2_fallback_swap_buffers_with_damage
, /* Android implements the function */
1219 .swap_buffers_region
= dri2_fallback_swap_buffers_region
,
1220 .swap_interval
= droid_swap_interval
,
1221 #if ANDROID_API_LEVEL >= 23
1222 .set_damage_region
= droid_set_damage_region
,
1224 .set_damage_region
= dri2_fallback_set_damage_region
,
1226 .post_sub_buffer
= dri2_fallback_post_sub_buffer
,
1227 .copy_buffers
= dri2_fallback_copy_buffers
,
1228 .query_buffer_age
= droid_query_buffer_age
,
1229 .query_surface
= droid_query_surface
,
1230 .create_wayland_buffer_from_image
= dri2_fallback_create_wayland_buffer_from_image
,
1231 .get_sync_values
= dri2_fallback_get_sync_values
,
1232 .get_dri_drawable
= dri2_surface_get_dri_drawable
,
1233 .set_shared_buffer_mode
= droid_set_shared_buffer_mode
,
1236 #ifdef HAVE_DRM_GRALLOC
1237 static const __DRIdri2LoaderExtension droid_dri2_loader_extension
= {
1238 .base
= { __DRI_DRI2_LOADER
, 4 },
1241 .flushFrontBuffer
= droid_flush_front_buffer
,
1242 .getBuffersWithFormat
= droid_get_buffers_with_format
,
1243 .getCapability
= droid_get_capability
,
1246 static const __DRIextension
*droid_dri2_loader_extensions
[] = {
1247 &droid_dri2_loader_extension
.base
,
1248 &image_lookup_extension
.base
,
1249 &use_invalidate
.base
,
1250 /* No __DRI_MUTABLE_RENDER_BUFFER_LOADER because it requires
1251 * __DRI_IMAGE_LOADER.
1255 #endif /* HAVE_DRM_GRALLOC */
1257 static const __DRIimageLoaderExtension droid_image_loader_extension
= {
1258 .base
= { __DRI_IMAGE_LOADER
, 2 },
1260 .getBuffers
= droid_image_get_buffers
,
1261 .flushFrontBuffer
= droid_flush_front_buffer
,
1262 .getCapability
= droid_get_capability
,
1266 droid_display_shared_buffer(__DRIdrawable
*driDrawable
, int fence_fd
,
1267 void *loaderPrivate
)
1269 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
1270 struct ANativeWindowBuffer
*old_buffer UNUSED
= dri2_surf
->buffer
;
1272 if (!_eglSurfaceInSharedBufferMode(&dri2_surf
->base
)) {
1273 _eglLog(_EGL_WARNING
, "%s: internal error: buffer is not shared",
1278 if (fence_fd
>= 0) {
1279 /* The driver's fence is more recent than the surface's out fence, if it
1280 * exists at all. So use the driver's fence.
1282 if (dri2_surf
->out_fence_fd
>= 0) {
1283 close(dri2_surf
->out_fence_fd
);
1284 dri2_surf
->out_fence_fd
= -1;
1286 } else if (dri2_surf
->out_fence_fd
>= 0) {
1287 fence_fd
= dri2_surf
->out_fence_fd
;
1288 dri2_surf
->out_fence_fd
= -1;
1291 if (dri2_surf
->window
->queueBuffer(dri2_surf
->window
, dri2_surf
->buffer
,
1293 _eglLog(_EGL_WARNING
, "%s: ANativeWindow::queueBuffer failed", __func__
);
1300 if (dri2_surf
->window
->dequeueBuffer(dri2_surf
->window
, &dri2_surf
->buffer
,
1302 /* Tear down the surface because it no longer has a back buffer. */
1303 struct dri2_egl_display
*dri2_dpy
=
1304 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
1306 _eglLog(_EGL_WARNING
, "%s: ANativeWindow::dequeueBuffer failed", __func__
);
1308 dri2_surf
->base
.Lost
= true;
1309 dri2_surf
->buffer
= NULL
;
1310 dri2_surf
->back
= NULL
;
1312 if (dri2_surf
->dri_image_back
) {
1313 dri2_dpy
->image
->destroyImage(dri2_surf
->dri_image_back
);
1314 dri2_surf
->dri_image_back
= NULL
;
1317 dri2_dpy
->flush
->invalidate(dri2_surf
->dri_drawable
);
1324 /* Access to the buffer is controlled by a sync fence. Block on it.
1326 * Ideally, we would submit the fence to the driver, and the driver would
1327 * postpone command execution until it signalled. But DRI lacks API for
1328 * that (as of 2018-04-11).
1330 * SYNC_IOC_WAIT waits forever if timeout < 0
1332 sync_wait(fence_fd
, -1);
1336 static const __DRImutableRenderBufferLoaderExtension droid_mutable_render_buffer_extension
= {
1337 .base
= { __DRI_MUTABLE_RENDER_BUFFER_LOADER
, 1 },
1338 .displaySharedBuffer
= droid_display_shared_buffer
,
1341 static const __DRIextension
*droid_image_loader_extensions
[] = {
1342 &droid_image_loader_extension
.base
,
1343 &image_lookup_extension
.base
,
1344 &use_invalidate
.base
,
1345 &droid_mutable_render_buffer_extension
.base
,
1350 droid_load_driver(_EGLDisplay
*disp
, bool swrast
)
1352 struct dri2_egl_display
*dri2_dpy
= disp
->DriverData
;
1355 dri2_dpy
->driver_name
= loader_get_driver_for_fd(dri2_dpy
->fd
);
1356 if (dri2_dpy
->driver_name
== NULL
)
1359 #ifdef HAVE_DRM_GRALLOC
1360 /* Handle control nodes using __DRI_DRI2_LOADER extension and GEM names
1361 * for backwards compatibility with drm_gralloc. (Do not use on new
1363 dri2_dpy
->loader_extensions
= droid_dri2_loader_extensions
;
1364 if (!dri2_load_driver(disp
)) {
1365 err
= "DRI2: failed to load driver";
1370 /* Use kms swrast only with vgem / virtio_gpu.
1371 * virtio-gpu fallbacks to software rendering when 3D features
1372 * are unavailable since 6c5ab.
1374 if (strcmp(dri2_dpy
->driver_name
, "vgem") == 0 ||
1375 strcmp(dri2_dpy
->driver_name
, "virtio_gpu") == 0) {
1376 free(dri2_dpy
->driver_name
);
1377 dri2_dpy
->driver_name
= strdup("kms_swrast");
1379 err
= "DRI3: failed to find software capable driver";
1384 dri2_dpy
->loader_extensions
= droid_image_loader_extensions
;
1385 if (!dri2_load_driver_dri3(disp
)) {
1386 err
= "DRI3: failed to load driver";
1394 free(dri2_dpy
->driver_name
);
1395 dri2_dpy
->driver_name
= NULL
;
1400 droid_unload_driver(_EGLDisplay
*disp
)
1402 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1404 dlclose(dri2_dpy
->driver
);
1405 dri2_dpy
->driver
= NULL
;
1406 free(dri2_dpy
->driver_name
);
1407 dri2_dpy
->driver_name
= NULL
;
1411 droid_filter_device(_EGLDisplay
*disp
, int fd
, const char *vendor
)
1413 drmVersionPtr ver
= drmGetVersion(fd
);
1417 if (strcmp(vendor
, ver
->name
) != 0) {
1418 drmFreeVersion(ver
);
1422 drmFreeVersion(ver
);
1427 droid_probe_device(_EGLDisplay
*disp
, bool swrast
)
1429 /* Check that the device is supported, by attempting to:
1430 * - load the dri module
1431 * - and, create a screen
1433 if (!droid_load_driver(disp
, swrast
))
1436 if (!dri2_create_screen(disp
)) {
1437 _eglLog(_EGL_WARNING
, "DRI2: failed to create screen");
1438 droid_unload_driver(disp
);
1444 #ifdef HAVE_DRM_GRALLOC
1446 droid_open_device(_EGLDisplay
*disp
, bool swrast
)
1448 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1449 int fd
= -1, err
= -EINVAL
;
1454 if (dri2_dpy
->gralloc
->perform
)
1455 err
= dri2_dpy
->gralloc
->perform(dri2_dpy
->gralloc
,
1456 GRALLOC_MODULE_PERFORM_GET_DRM_FD
,
1458 if (err
|| fd
< 0) {
1459 _eglLog(_EGL_WARNING
, "fail to get drm fd");
1463 dri2_dpy
->fd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 3);
1464 if (dri2_dpy
->fd
< 0)
1467 if (drmGetNodeTypeFromFd(dri2_dpy
->fd
) == DRM_NODE_RENDER
)
1470 return droid_probe_device(disp
, swrast
);
1474 droid_open_device(_EGLDisplay
*disp
, bool swrast
)
1476 #define MAX_DRM_DEVICES 64
1477 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1478 drmDevicePtr device
, devices
[MAX_DRM_DEVICES
] = { NULL
};
1481 char *vendor_name
= NULL
;
1482 char vendor_buf
[PROPERTY_VALUE_MAX
];
1484 #ifdef EGL_FORCE_RENDERNODE
1485 const unsigned node_type
= DRM_NODE_RENDER
;
1487 const unsigned node_type
= swrast
? DRM_NODE_PRIMARY
: DRM_NODE_RENDER
;
1490 if (property_get("drm.gpu.vendor_name", vendor_buf
, NULL
) > 0)
1491 vendor_name
= vendor_buf
;
1493 num_devices
= drmGetDevices2(0, devices
, ARRAY_SIZE(devices
));
1494 if (num_devices
< 0)
1497 for (int i
= 0; i
< num_devices
; i
++) {
1498 device
= devices
[i
];
1500 if (!(device
->available_nodes
& (1 << node_type
)))
1503 dri2_dpy
->fd
= loader_open_device(device
->nodes
[node_type
]);
1504 if (dri2_dpy
->fd
< 0) {
1505 _eglLog(_EGL_WARNING
, "%s() Failed to open DRM device %s",
1506 __func__
, device
->nodes
[node_type
]);
1510 /* If a vendor is explicitly provided, we use only that.
1511 * Otherwise we fall-back the first device that is supported.
1514 if (droid_filter_device(disp
, dri2_dpy
->fd
, vendor_name
)) {
1515 /* Device does not match - try next device */
1516 close(dri2_dpy
->fd
);
1520 /* If the requested device matches - use it. Regardless if
1521 * init fails, do not fall-back to any other device.
1523 if (!droid_probe_device(disp
, false)) {
1524 close(dri2_dpy
->fd
);
1530 if (droid_probe_device(disp
, swrast
))
1533 /* No explicit request - attempt the next device */
1534 close(dri2_dpy
->fd
);
1537 drmFreeDevices(devices
, num_devices
);
1539 if (dri2_dpy
->fd
< 0) {
1540 _eglLog(_EGL_WARNING
, "Failed to open %s DRM device",
1541 vendor_name
? "desired": "any");
1546 #undef MAX_DRM_DEVICES
1552 dri2_initialize_android(_EGLDriver
*drv
, _EGLDisplay
*disp
)
1555 bool device_opened
= false;
1556 struct dri2_egl_display
*dri2_dpy
;
1560 dri2_dpy
= calloc(1, sizeof(*dri2_dpy
));
1562 return _eglError(EGL_BAD_ALLOC
, "eglInitialize");
1565 ret
= hw_get_module(GRALLOC_HARDWARE_MODULE_ID
,
1566 (const hw_module_t
**)&dri2_dpy
->gralloc
);
1568 err
= "DRI2: failed to get gralloc module";
1572 disp
->DriverData
= (void *) dri2_dpy
;
1573 if (!disp
->Options
.ForceSoftware
)
1574 device_opened
= droid_open_device(disp
, false);
1576 device_opened
= droid_open_device(disp
, true);
1578 if (!device_opened
) {
1579 err
= "DRI2: failed to open device";
1583 dev
= _eglAddDevice(dri2_dpy
->fd
, false);
1585 err
= "DRI2: failed to find EGLDevice";
1591 if (!dri2_setup_extensions(disp
)) {
1592 err
= "DRI2: failed to setup extensions";
1596 dri2_setup_screen(disp
);
1598 /* We set the maximum swap interval as 1 for Android platform, since it is
1599 * the maximum value supported by Android according to the value of
1600 * ANativeWindow::maxSwapInterval.
1602 dri2_setup_swap_interval(disp
, 1);
1604 disp
->Extensions
.ANDROID_framebuffer_target
= EGL_TRUE
;
1605 disp
->Extensions
.ANDROID_image_native_buffer
= EGL_TRUE
;
1606 disp
->Extensions
.ANDROID_recordable
= EGL_TRUE
;
1607 disp
->Extensions
.EXT_buffer_age
= EGL_TRUE
;
1608 #if ANDROID_API_LEVEL >= 23
1609 disp
->Extensions
.KHR_partial_update
= EGL_TRUE
;
1611 disp
->Extensions
.KHR_image
= EGL_TRUE
;
1612 #if ANDROID_API_LEVEL >= 24
1613 if (dri2_dpy
->mutable_render_buffer
&&
1614 dri2_dpy
->loader_extensions
== droid_image_loader_extensions
) {
1615 disp
->Extensions
.KHR_mutable_render_buffer
= EGL_TRUE
;
1619 /* Create configs *after* enabling extensions because presence of DRI
1620 * driver extensions can affect the capabilities of EGLConfigs.
1622 if (!droid_add_configs_for_visuals(drv
, disp
)) {
1623 err
= "DRI2: failed to add configs";
1627 /* Fill vtbl last to prevent accidentally calling virtual function during
1630 dri2_dpy
->vtbl
= &droid_display_vtbl
;
1635 dri2_display_destroy(disp
);
1636 return _eglError(EGL_NOT_INITIALIZED
, err
);