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_fds() 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
);
170 /* returns # of fds, and by reference the actual fds */
172 get_native_buffer_fds(struct ANativeWindowBuffer
*buf
, int fds
[3])
174 native_handle_t
*handle
= (native_handle_t
*)buf
->handle
;
180 * Various gralloc implementations exist, but the dma-buf fd tends
181 * to be first. Access it directly to avoid a dependency on specific
184 for (int i
= 0; i
< handle
->numFds
; i
++)
185 fds
[i
] = handle
->data
[i
];
187 return handle
->numFds
;
190 #ifdef HAVE_DRM_GRALLOC
192 get_native_buffer_name(struct ANativeWindowBuffer
*buf
)
194 return gralloc_drm_get_gem_handle(buf
->handle
);
196 #endif /* HAVE_DRM_GRALLOC */
199 droid_window_dequeue_buffer(struct dri2_egl_surface
*dri2_surf
)
203 if (dri2_surf
->window
->dequeueBuffer(dri2_surf
->window
, &dri2_surf
->buffer
,
207 /* If access to the buffer is controlled by a sync fence, then block on the
210 * It may be more performant to postpone blocking until there is an
211 * immediate need to write to the buffer. But doing so would require adding
212 * hooks to the DRI2 loader.
214 * From the ANativeWindow::dequeueBuffer documentation:
216 * The libsync fence file descriptor returned in the int pointed to by
217 * the fenceFd argument will refer to the fence that must signal
218 * before the dequeued buffer may be written to. A value of -1
219 * indicates that the caller may access the buffer immediately without
220 * waiting on a fence. If a valid file descriptor is returned (i.e.
221 * any value except -1) then the caller is responsible for closing the
225 /* From the SYNC_IOC_WAIT documentation in <linux/sync.h>:
227 * Waits indefinitely if timeout < 0.
230 sync_wait(fence_fd
, timeout
);
234 dri2_surf
->buffer
->common
.incRef(&dri2_surf
->buffer
->common
);
236 /* Record all the buffers created by ANativeWindow and update back buffer
237 * for updating buffer's age in swap_buffers.
239 EGLBoolean updated
= EGL_FALSE
;
240 for (int i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++) {
241 if (!dri2_surf
->color_buffers
[i
].buffer
) {
242 dri2_surf
->color_buffers
[i
].buffer
= dri2_surf
->buffer
;
244 if (dri2_surf
->color_buffers
[i
].buffer
== dri2_surf
->buffer
) {
245 dri2_surf
->back
= &dri2_surf
->color_buffers
[i
];
252 /* In case of all the buffers were recreated by ANativeWindow, reset
255 for (int i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++) {
256 dri2_surf
->color_buffers
[i
].buffer
= NULL
;
257 dri2_surf
->color_buffers
[i
].age
= 0;
259 dri2_surf
->color_buffers
[0].buffer
= dri2_surf
->buffer
;
260 dri2_surf
->back
= &dri2_surf
->color_buffers
[0];
267 droid_window_enqueue_buffer(_EGLDisplay
*disp
, struct dri2_egl_surface
*dri2_surf
)
269 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
271 /* To avoid blocking other EGL calls, release the display mutex before
272 * we enter droid_window_enqueue_buffer() and re-acquire the mutex upon
275 mtx_unlock(&disp
->Mutex
);
277 /* Queue the buffer with stored out fence fd. The ANativeWindow or buffer
278 * consumer may choose to wait for the fence to signal before accessing
279 * it. If fence fd value is -1, buffer can be accessed by consumer
280 * immediately. Consumer or application shouldn't rely on timestamp
281 * associated with fence if the fence fd is -1.
283 * Ownership of fd is transferred to consumer after queueBuffer and the
284 * consumer is responsible for closing it. Caller must not use the fd
285 * after passing it to queueBuffer.
287 int fence_fd
= dri2_surf
->out_fence_fd
;
288 dri2_surf
->out_fence_fd
= -1;
289 dri2_surf
->window
->queueBuffer(dri2_surf
->window
, dri2_surf
->buffer
,
292 dri2_surf
->buffer
->common
.decRef(&dri2_surf
->buffer
->common
);
293 dri2_surf
->buffer
= NULL
;
294 dri2_surf
->back
= NULL
;
296 mtx_lock(&disp
->Mutex
);
298 if (dri2_surf
->dri_image_back
) {
299 dri2_dpy
->image
->destroyImage(dri2_surf
->dri_image_back
);
300 dri2_surf
->dri_image_back
= NULL
;
307 droid_window_cancel_buffer(struct dri2_egl_surface
*dri2_surf
)
310 int fence_fd
= dri2_surf
->out_fence_fd
;
312 dri2_surf
->out_fence_fd
= -1;
313 ret
= dri2_surf
->window
->cancelBuffer(dri2_surf
->window
,
314 dri2_surf
->buffer
, fence_fd
);
316 _eglLog(_EGL_WARNING
, "ANativeWindow::cancelBuffer failed");
317 dri2_surf
->base
.Lost
= EGL_TRUE
;
322 droid_set_shared_buffer_mode(_EGLDisplay
*disp
, _EGLSurface
*surf
, bool mode
)
324 #if ANDROID_API_LEVEL >= 24
325 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
326 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
327 struct ANativeWindow
*window
= dri2_surf
->window
;
329 assert(surf
->Type
== EGL_WINDOW_BIT
);
330 assert(_eglSurfaceHasMutableRenderBuffer(&dri2_surf
->base
));
332 _eglLog(_EGL_DEBUG
, "%s: mode=%d", __func__
, mode
);
334 if (native_window_set_shared_buffer_mode(window
, mode
)) {
335 _eglLog(_EGL_WARNING
, "failed native_window_set_shared_buffer_mode"
336 "(window=%p, mode=%d)", window
, mode
);
342 _eglLog(_EGL_FATAL
, "%s:%d: internal error: unreachable", __FILE__
, __LINE__
);
348 droid_create_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
, EGLint type
,
349 _EGLConfig
*conf
, void *native_window
,
350 const EGLint
*attrib_list
)
352 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
353 struct dri2_egl_config
*dri2_conf
= dri2_egl_config(conf
);
354 struct dri2_egl_surface
*dri2_surf
;
355 struct ANativeWindow
*window
= native_window
;
356 const __DRIconfig
*config
;
358 dri2_surf
= calloc(1, sizeof *dri2_surf
);
360 _eglError(EGL_BAD_ALLOC
, "droid_create_surface");
364 if (!dri2_init_surface(&dri2_surf
->base
, disp
, type
, conf
, attrib_list
,
365 true, native_window
))
366 goto cleanup_surface
;
368 if (type
== EGL_WINDOW_BIT
) {
371 if (window
->common
.magic
!= ANDROID_NATIVE_WINDOW_MAGIC
) {
372 _eglError(EGL_BAD_NATIVE_WINDOW
, "droid_create_surface");
373 goto cleanup_surface
;
375 if (window
->query(window
, NATIVE_WINDOW_FORMAT
, &format
)) {
376 _eglError(EGL_BAD_NATIVE_WINDOW
, "droid_create_surface");
377 goto cleanup_surface
;
380 if (format
!= dri2_conf
->base
.NativeVisualID
) {
381 _eglLog(_EGL_WARNING
, "Native format mismatch: 0x%x != 0x%x",
382 format
, dri2_conf
->base
.NativeVisualID
);
385 window
->query(window
, NATIVE_WINDOW_WIDTH
, &dri2_surf
->base
.Width
);
386 window
->query(window
, NATIVE_WINDOW_HEIGHT
, &dri2_surf
->base
.Height
);
389 config
= dri2_get_dri_config(dri2_conf
, type
,
390 dri2_surf
->base
.GLColorspace
);
392 _eglError(EGL_BAD_MATCH
, "Unsupported surfacetype/colorspace configuration");
393 goto cleanup_surface
;
396 if (!dri2_create_drawable(dri2_dpy
, config
, dri2_surf
, dri2_surf
))
397 goto cleanup_surface
;
400 window
->common
.incRef(&window
->common
);
401 dri2_surf
->window
= window
;
404 return &dri2_surf
->base
;
413 droid_create_window_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
414 _EGLConfig
*conf
, void *native_window
,
415 const EGLint
*attrib_list
)
417 return droid_create_surface(drv
, disp
, EGL_WINDOW_BIT
, conf
,
418 native_window
, attrib_list
);
422 droid_create_pbuffer_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
,
423 _EGLConfig
*conf
, const EGLint
*attrib_list
)
425 return droid_create_surface(drv
, disp
, EGL_PBUFFER_BIT
, conf
,
430 droid_destroy_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*surf
)
432 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
433 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
435 dri2_egl_surface_free_local_buffers(dri2_surf
);
437 if (dri2_surf
->base
.Type
== EGL_WINDOW_BIT
) {
438 if (dri2_surf
->buffer
)
439 droid_window_cancel_buffer(dri2_surf
);
441 dri2_surf
->window
->common
.decRef(&dri2_surf
->window
->common
);
444 if (dri2_surf
->dri_image_back
) {
445 _eglLog(_EGL_DEBUG
, "%s : %d : destroy dri_image_back", __func__
, __LINE__
);
446 dri2_dpy
->image
->destroyImage(dri2_surf
->dri_image_back
);
447 dri2_surf
->dri_image_back
= NULL
;
450 if (dri2_surf
->dri_image_front
) {
451 _eglLog(_EGL_DEBUG
, "%s : %d : destroy dri_image_front", __func__
, __LINE__
);
452 dri2_dpy
->image
->destroyImage(dri2_surf
->dri_image_front
);
453 dri2_surf
->dri_image_front
= NULL
;
456 dri2_dpy
->core
->destroyDrawable(dri2_surf
->dri_drawable
);
458 dri2_fini_surface(surf
);
465 droid_swap_interval(_EGLDriver
*drv
, _EGLDisplay
*disp
,
466 _EGLSurface
*surf
, EGLint interval
)
468 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
469 struct ANativeWindow
*window
= dri2_surf
->window
;
471 if (window
->setSwapInterval(window
, interval
))
474 surf
->SwapInterval
= interval
;
479 update_buffers(struct dri2_egl_surface
*dri2_surf
)
481 if (dri2_surf
->base
.Lost
)
484 if (dri2_surf
->base
.Type
!= EGL_WINDOW_BIT
)
487 /* try to dequeue the next back buffer */
488 if (!dri2_surf
->buffer
&& !droid_window_dequeue_buffer(dri2_surf
)) {
489 _eglLog(_EGL_WARNING
, "Could not dequeue buffer from native window");
490 dri2_surf
->base
.Lost
= EGL_TRUE
;
494 /* free outdated buffers and update the surface size */
495 if (dri2_surf
->base
.Width
!= dri2_surf
->buffer
->width
||
496 dri2_surf
->base
.Height
!= dri2_surf
->buffer
->height
) {
497 dri2_egl_surface_free_local_buffers(dri2_surf
);
498 dri2_surf
->base
.Width
= dri2_surf
->buffer
->width
;
499 dri2_surf
->base
.Height
= dri2_surf
->buffer
->height
;
506 get_front_bo(struct dri2_egl_surface
*dri2_surf
, unsigned int format
)
508 struct dri2_egl_display
*dri2_dpy
=
509 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
511 if (dri2_surf
->dri_image_front
)
514 if (dri2_surf
->base
.Type
== EGL_WINDOW_BIT
) {
515 /* According current EGL spec, front buffer rendering
516 * for window surface is not supported now.
517 * and mesa doesn't have the implementation of this case.
518 * Add warning message, but not treat it as error.
520 _eglLog(_EGL_DEBUG
, "DRI driver requested unsupported front buffer for window surface");
521 } else if (dri2_surf
->base
.Type
== EGL_PBUFFER_BIT
) {
522 dri2_surf
->dri_image_front
=
523 dri2_dpy
->image
->createImage(dri2_dpy
->dri_screen
,
524 dri2_surf
->base
.Width
,
525 dri2_surf
->base
.Height
,
529 if (!dri2_surf
->dri_image_front
) {
530 _eglLog(_EGL_WARNING
, "dri2_image_front allocation failed");
539 get_back_bo(struct dri2_egl_surface
*dri2_surf
)
541 struct dri2_egl_display
*dri2_dpy
=
542 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
544 int offset
= 0, fds
[3];
547 if (dri2_surf
->dri_image_back
)
550 if (dri2_surf
->base
.Type
== EGL_WINDOW_BIT
) {
551 if (!dri2_surf
->buffer
) {
552 _eglLog(_EGL_WARNING
, "Could not get native buffer");
556 num_fds
= get_native_buffer_fds(dri2_surf
->buffer
, fds
);
558 _eglLog(_EGL_WARNING
, "Could not get native buffer FD");
562 fourcc
= get_fourcc(dri2_surf
->buffer
->format
);
564 pitch
= dri2_surf
->buffer
->stride
*
565 get_format_bpp(dri2_surf
->buffer
->format
);
567 if (fourcc
== -1 || pitch
== 0) {
568 _eglLog(_EGL_WARNING
, "Invalid buffer fourcc(%x) or pitch(%d)",
573 dri2_surf
->dri_image_back
=
574 dri2_dpy
->image
->createImageFromFds(dri2_dpy
->dri_screen
,
575 dri2_surf
->base
.Width
,
576 dri2_surf
->base
.Height
,
583 if (!dri2_surf
->dri_image_back
) {
584 _eglLog(_EGL_WARNING
, "failed to create DRI image from FD");
587 } else if (dri2_surf
->base
.Type
== EGL_PBUFFER_BIT
) {
588 /* The EGL 1.5 spec states that pbuffers are single-buffered. Specifically,
589 * the spec states that they have a back buffer but no front buffer, in
590 * contrast to pixmaps, which have a front buffer but no back buffer.
592 * Single-buffered surfaces with no front buffer confuse Mesa; so we deviate
593 * from the spec, following the precedent of Mesa's EGL X11 platform. The
594 * X11 platform correctly assigns pbuffers to single-buffered configs, but
595 * assigns the pbuffer a front buffer instead of a back buffer.
597 * Pbuffers in the X11 platform mostly work today, so let's just copy its
598 * behavior instead of trying to fix (and hence potentially breaking) the
601 _eglLog(_EGL_DEBUG
, "DRI driver requested unsupported back buffer for pbuffer surface");
607 /* Some drivers will pass multiple bits in buffer_mask.
608 * For such case, will go through all the bits, and
609 * will not return error when unsupported buffer is requested, only
610 * return error when the allocation for supported buffer failed.
613 droid_image_get_buffers(__DRIdrawable
*driDrawable
,
617 uint32_t buffer_mask
,
618 struct __DRIimageList
*images
)
620 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
622 images
->image_mask
= 0;
623 images
->front
= NULL
;
626 if (update_buffers(dri2_surf
) < 0)
629 if (_eglSurfaceInSharedBufferMode(&dri2_surf
->base
)) {
630 if (get_back_bo(dri2_surf
) < 0)
633 /* We have dri_image_back because this is a window surface and
634 * get_back_bo() succeeded.
636 assert(dri2_surf
->dri_image_back
);
637 images
->back
= dri2_surf
->dri_image_back
;
638 images
->image_mask
|= __DRI_IMAGE_BUFFER_SHARED
;
640 /* There exists no accompanying back nor front buffer. */
644 if (buffer_mask
& __DRI_IMAGE_BUFFER_FRONT
) {
645 if (get_front_bo(dri2_surf
, format
) < 0)
648 if (dri2_surf
->dri_image_front
) {
649 images
->front
= dri2_surf
->dri_image_front
;
650 images
->image_mask
|= __DRI_IMAGE_BUFFER_FRONT
;
654 if (buffer_mask
& __DRI_IMAGE_BUFFER_BACK
) {
655 if (get_back_bo(dri2_surf
) < 0)
658 if (dri2_surf
->dri_image_back
) {
659 images
->back
= dri2_surf
->dri_image_back
;
660 images
->image_mask
|= __DRI_IMAGE_BUFFER_BACK
;
668 droid_query_buffer_age(_EGLDriver
*drv
,
669 _EGLDisplay
*disp
, _EGLSurface
*surface
)
671 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surface
);
673 if (update_buffers(dri2_surf
) < 0) {
674 _eglError(EGL_BAD_ALLOC
, "droid_query_buffer_age");
678 return dri2_surf
->back
? dri2_surf
->back
->age
: 0;
682 droid_swap_buffers(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*draw
)
684 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
685 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(draw
);
686 const bool has_mutable_rb
= _eglSurfaceHasMutableRenderBuffer(draw
);
688 /* From the EGL_KHR_mutable_render_buffer spec (v12):
690 * If surface is a single-buffered window, pixmap, or pbuffer surface
691 * for which there is no pending change to the EGL_RENDER_BUFFER
692 * attribute, eglSwapBuffers has no effect.
694 if (has_mutable_rb
&&
695 draw
->RequestedRenderBuffer
== EGL_SINGLE_BUFFER
&&
696 draw
->ActiveRenderBuffer
== EGL_SINGLE_BUFFER
) {
697 _eglLog(_EGL_DEBUG
, "%s: remain in shared buffer mode", __func__
);
701 for (int i
= 0; i
< ARRAY_SIZE(dri2_surf
->color_buffers
); i
++) {
702 if (dri2_surf
->color_buffers
[i
].age
> 0)
703 dri2_surf
->color_buffers
[i
].age
++;
706 /* "XXX: we don't use get_back_bo() since it causes regressions in
707 * several dEQP tests.
710 dri2_surf
->back
->age
= 1;
712 dri2_flush_drawable_for_swapbuffers(disp
, draw
);
714 /* dri2_surf->buffer can be null even when no error has occured. For
715 * example, if the user has called no GL rendering commands since the
716 * previous eglSwapBuffers, then the driver may have not triggered
717 * a callback to ANativeWindow::dequeueBuffer, in which case
718 * dri2_surf->buffer remains null.
720 if (dri2_surf
->buffer
)
721 droid_window_enqueue_buffer(disp
, dri2_surf
);
723 dri2_dpy
->flush
->invalidate(dri2_surf
->dri_drawable
);
725 /* Update the shared buffer mode */
726 if (has_mutable_rb
&&
727 draw
->ActiveRenderBuffer
!= draw
->RequestedRenderBuffer
) {
728 bool mode
= (draw
->RequestedRenderBuffer
== EGL_SINGLE_BUFFER
);
729 _eglLog(_EGL_DEBUG
, "%s: change to shared buffer mode %d",
732 if (!droid_set_shared_buffer_mode(disp
, draw
, mode
))
734 draw
->ActiveRenderBuffer
= draw
->RequestedRenderBuffer
;
740 #if ANDROID_API_LEVEL >= 23
742 droid_set_damage_region(_EGLDriver
*drv
,
744 _EGLSurface
*draw
, const EGLint
* rects
, EGLint n_rects
)
746 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
747 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(draw
);
748 android_native_rect_t
* droid_rects
= NULL
;
754 droid_rects
= malloc(n_rects
* sizeof(android_native_rect_t
));
755 if (droid_rects
== NULL
)
756 return _eglError(EGL_BAD_ALLOC
, "eglSetDamageRegionKHR");
758 for (EGLint num_drects
= 0; num_drects
< n_rects
; num_drects
++) {
759 EGLint i
= num_drects
* 4;
760 droid_rects
[num_drects
].left
= rects
[i
];
761 droid_rects
[num_drects
].bottom
= rects
[i
+ 1];
762 droid_rects
[num_drects
].right
= rects
[i
] + rects
[i
+ 2];
763 droid_rects
[num_drects
].top
= rects
[i
+ 1] + rects
[i
+ 3];
767 * XXX/TODO: Need to check for other return values
770 ret
= native_window_set_surface_damage(dri2_surf
->window
, droid_rects
, n_rects
);
773 return ret
== 0 ? EGL_TRUE
: EGL_FALSE
;
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
945 droid_create_image_from_name(_EGLDisplay
*disp
, _EGLContext
*ctx
,
946 struct ANativeWindowBuffer
*buf
)
948 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
949 struct dri2_egl_image
*dri2_img
;
953 name
= get_native_buffer_name(buf
);
955 _eglError(EGL_BAD_PARAMETER
, "eglCreateEGLImageKHR");
959 format
= get_format(buf
->format
);
963 dri2_img
= calloc(1, sizeof(*dri2_img
));
965 _eglError(EGL_BAD_ALLOC
, "droid_create_image_mesa_drm");
969 _eglInitImage(&dri2_img
->base
, disp
);
971 dri2_img
->dri_image
=
972 dri2_dpy
->image
->createImageFromName(dri2_dpy
->dri_screen
,
979 if (!dri2_img
->dri_image
) {
981 _eglError(EGL_BAD_ALLOC
, "droid_create_image_mesa_drm");
985 return &dri2_img
->base
;
987 #endif /* HAVE_DRM_GRALLOC */
990 droid_query_surface(_EGLDriver
*drv
, _EGLDisplay
*disp
, _EGLSurface
*surf
,
991 EGLint attribute
, EGLint
*value
)
993 struct dri2_egl_surface
*dri2_surf
= dri2_egl_surface(surf
);
996 if (dri2_surf
->base
.Type
== EGL_WINDOW_BIT
&& dri2_surf
->window
) {
997 dri2_surf
->window
->query(dri2_surf
->window
,
998 NATIVE_WINDOW_DEFAULT_WIDTH
, value
);
1003 if (dri2_surf
->base
.Type
== EGL_WINDOW_BIT
&& dri2_surf
->window
) {
1004 dri2_surf
->window
->query(dri2_surf
->window
,
1005 NATIVE_WINDOW_DEFAULT_HEIGHT
, value
);
1012 return _eglQuerySurface(drv
, disp
, surf
, attribute
, value
);
1016 dri2_create_image_android_native_buffer(_EGLDisplay
*disp
,
1018 struct ANativeWindowBuffer
*buf
)
1024 /* From the EGL_ANDROID_image_native_buffer spec:
1026 * * If <target> is EGL_NATIVE_BUFFER_ANDROID and <ctx> is not
1027 * EGL_NO_CONTEXT, the error EGL_BAD_CONTEXT is generated.
1029 _eglError(EGL_BAD_CONTEXT
, "eglCreateEGLImageKHR: for "
1030 "EGL_NATIVE_BUFFER_ANDROID, the context must be "
1035 if (!buf
|| buf
->common
.magic
!= ANDROID_NATIVE_BUFFER_MAGIC
||
1036 buf
->common
.version
!= sizeof(*buf
)) {
1037 _eglError(EGL_BAD_PARAMETER
, "eglCreateEGLImageKHR");
1041 num_fds
= get_native_buffer_fds(buf
, fds
);
1043 return droid_create_image_from_prime_fds(disp
, ctx
, buf
, num_fds
, fds
);
1045 #ifdef HAVE_DRM_GRALLOC
1046 return droid_create_image_from_name(disp
, ctx
, buf
);
1053 droid_create_image_khr(_EGLDriver
*drv
, _EGLDisplay
*disp
,
1054 _EGLContext
*ctx
, EGLenum target
,
1055 EGLClientBuffer buffer
, const EGLint
*attr_list
)
1058 case EGL_NATIVE_BUFFER_ANDROID
:
1059 return dri2_create_image_android_native_buffer(disp
, ctx
,
1060 (struct ANativeWindowBuffer
*) buffer
);
1062 return dri2_create_image_khr(drv
, disp
, ctx
, target
, buffer
, attr_list
);
1067 droid_flush_front_buffer(__DRIdrawable
* driDrawable
, void *loaderPrivate
)
1071 #ifdef HAVE_DRM_GRALLOC
1073 droid_get_buffers_parse_attachments(struct dri2_egl_surface
*dri2_surf
,
1074 unsigned int *attachments
, int count
)
1076 int num_buffers
= 0;
1078 /* fill dri2_surf->buffers */
1079 for (int i
= 0; i
< count
* 2; i
+= 2) {
1080 __DRIbuffer
*buf
, *local
;
1082 assert(num_buffers
< ARRAY_SIZE(dri2_surf
->buffers
));
1083 buf
= &dri2_surf
->buffers
[num_buffers
];
1085 switch (attachments
[i
]) {
1086 case __DRI_BUFFER_BACK_LEFT
:
1087 if (dri2_surf
->base
.Type
== EGL_WINDOW_BIT
) {
1088 buf
->attachment
= attachments
[i
];
1089 buf
->name
= get_native_buffer_name(dri2_surf
->buffer
);
1090 buf
->cpp
= get_format_bpp(dri2_surf
->buffer
->format
);
1091 buf
->pitch
= dri2_surf
->buffer
->stride
* buf
->cpp
;
1099 /* fall through for pbuffers */
1100 case __DRI_BUFFER_DEPTH
:
1101 case __DRI_BUFFER_STENCIL
:
1102 case __DRI_BUFFER_ACCUM
:
1103 case __DRI_BUFFER_DEPTH_STENCIL
:
1104 case __DRI_BUFFER_HIZ
:
1105 local
= dri2_egl_surface_alloc_local_buffer(dri2_surf
,
1106 attachments
[i
], attachments
[i
+ 1]);
1113 case __DRI_BUFFER_FRONT_LEFT
:
1114 case __DRI_BUFFER_FRONT_RIGHT
:
1115 case __DRI_BUFFER_FAKE_FRONT_LEFT
:
1116 case __DRI_BUFFER_FAKE_FRONT_RIGHT
:
1117 case __DRI_BUFFER_BACK_RIGHT
:
1119 /* no front or right buffers */
1127 static __DRIbuffer
*
1128 droid_get_buffers_with_format(__DRIdrawable
* driDrawable
,
1129 int *width
, int *height
,
1130 unsigned int *attachments
, int count
,
1131 int *out_count
, void *loaderPrivate
)
1133 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
1135 if (update_buffers(dri2_surf
) < 0)
1138 *out_count
= droid_get_buffers_parse_attachments(dri2_surf
, attachments
, count
);
1141 *width
= dri2_surf
->base
.Width
;
1143 *height
= dri2_surf
->base
.Height
;
1145 return dri2_surf
->buffers
;
1147 #endif /* HAVE_DRM_GRALLOC */
1150 droid_get_capability(void *loaderPrivate
, enum dri_loader_cap cap
)
1152 /* Note: loaderPrivate is _EGLDisplay* */
1154 case DRI_LOADER_CAP_RGBA_ORDERING
:
1162 droid_add_configs_for_visuals(_EGLDriver
*drv
, _EGLDisplay
*disp
)
1164 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1165 static const struct {
1167 unsigned int rgba_masks
[4];
1169 { HAL_PIXEL_FORMAT_RGBA_8888
, { 0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000 } },
1170 { HAL_PIXEL_FORMAT_RGBX_8888
, { 0x000000ff, 0x0000ff00, 0x00ff0000, 0x00000000 } },
1171 { HAL_PIXEL_FORMAT_RGB_565
, { 0x0000f800, 0x000007e0, 0x0000001f, 0x00000000 } },
1172 { HAL_PIXEL_FORMAT_BGRA_8888
, { 0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000 } },
1175 unsigned int format_count
[ARRAY_SIZE(visuals
)] = { 0 };
1176 int config_count
= 0;
1178 /* The nesting of loops is significant here. Also significant is the order
1179 * of the HAL pixel formats. Many Android apps (such as Google's official
1180 * NDK GLES2 example app), and even portions the core framework code (such
1181 * as SystemServiceManager in Nougat), incorrectly choose their EGLConfig.
1182 * They neglect to match the EGLConfig's EGL_NATIVE_VISUAL_ID against the
1183 * window's native format, and instead choose the first EGLConfig whose
1184 * channel sizes match those of the native window format while ignoring the
1185 * channel *ordering*.
1187 * We can detect such buggy clients in logcat when they call
1188 * eglCreateSurface, by detecting the mismatch between the EGLConfig's
1189 * format and the window's format.
1191 * As a workaround, we generate EGLConfigs such that all EGLConfigs for HAL
1192 * pixel format i precede those for HAL pixel format i+1. In my
1193 * (chadversary) testing on Android Nougat, this was good enough to pacify
1194 * the buggy clients.
1196 for (int i
= 0; i
< ARRAY_SIZE(visuals
); i
++) {
1197 for (int j
= 0; dri2_dpy
->driver_configs
[j
]; j
++) {
1198 const EGLint surface_type
= EGL_WINDOW_BIT
| EGL_PBUFFER_BIT
;
1200 const EGLint config_attrs
[] = {
1201 EGL_NATIVE_VISUAL_ID
, visuals
[i
].format
,
1202 EGL_NATIVE_VISUAL_TYPE
, visuals
[i
].format
,
1203 EGL_FRAMEBUFFER_TARGET_ANDROID
, EGL_TRUE
,
1204 EGL_RECORDABLE_ANDROID
, EGL_TRUE
,
1208 struct dri2_egl_config
*dri2_conf
=
1209 dri2_add_config(disp
, dri2_dpy
->driver_configs
[j
],
1210 config_count
+ 1, surface_type
, config_attrs
,
1211 visuals
[i
].rgba_masks
);
1213 if (dri2_conf
->base
.ConfigID
== config_count
+ 1)
1220 for (int i
= 0; i
< ARRAY_SIZE(format_count
); i
++) {
1221 if (!format_count
[i
]) {
1222 _eglLog(_EGL_DEBUG
, "No DRI config supports native format 0x%x",
1227 return (config_count
!= 0);
1230 static const struct dri2_egl_display_vtbl droid_display_vtbl
= {
1231 .authenticate
= NULL
,
1232 .create_window_surface
= droid_create_window_surface
,
1233 .create_pixmap_surface
= dri2_fallback_create_pixmap_surface
,
1234 .create_pbuffer_surface
= droid_create_pbuffer_surface
,
1235 .destroy_surface
= droid_destroy_surface
,
1236 .create_image
= droid_create_image_khr
,
1237 .swap_buffers
= droid_swap_buffers
,
1238 .swap_buffers_with_damage
= dri2_fallback_swap_buffers_with_damage
, /* Android implements the function */
1239 .swap_buffers_region
= dri2_fallback_swap_buffers_region
,
1240 .swap_interval
= droid_swap_interval
,
1241 #if ANDROID_API_LEVEL >= 23
1242 .set_damage_region
= droid_set_damage_region
,
1244 .set_damage_region
= dri2_fallback_set_damage_region
,
1246 .post_sub_buffer
= dri2_fallback_post_sub_buffer
,
1247 .copy_buffers
= dri2_fallback_copy_buffers
,
1248 .query_buffer_age
= droid_query_buffer_age
,
1249 .query_surface
= droid_query_surface
,
1250 .create_wayland_buffer_from_image
= dri2_fallback_create_wayland_buffer_from_image
,
1251 .get_sync_values
= dri2_fallback_get_sync_values
,
1252 .get_dri_drawable
= dri2_surface_get_dri_drawable
,
1253 .set_shared_buffer_mode
= droid_set_shared_buffer_mode
,
1256 #ifdef HAVE_DRM_GRALLOC
1257 static const __DRIdri2LoaderExtension droid_dri2_loader_extension
= {
1258 .base
= { __DRI_DRI2_LOADER
, 4 },
1261 .flushFrontBuffer
= droid_flush_front_buffer
,
1262 .getBuffersWithFormat
= droid_get_buffers_with_format
,
1263 .getCapability
= droid_get_capability
,
1266 static const __DRIextension
*droid_dri2_loader_extensions
[] = {
1267 &droid_dri2_loader_extension
.base
,
1268 &image_lookup_extension
.base
,
1269 &use_invalidate
.base
,
1270 /* No __DRI_MUTABLE_RENDER_BUFFER_LOADER because it requires
1271 * __DRI_IMAGE_LOADER.
1275 #endif /* HAVE_DRM_GRALLOC */
1277 static const __DRIimageLoaderExtension droid_image_loader_extension
= {
1278 .base
= { __DRI_IMAGE_LOADER
, 2 },
1280 .getBuffers
= droid_image_get_buffers
,
1281 .flushFrontBuffer
= droid_flush_front_buffer
,
1282 .getCapability
= droid_get_capability
,
1286 droid_display_shared_buffer(__DRIdrawable
*driDrawable
, int fence_fd
,
1287 void *loaderPrivate
)
1289 struct dri2_egl_surface
*dri2_surf
= loaderPrivate
;
1290 struct ANativeWindowBuffer
*old_buffer UNUSED
= dri2_surf
->buffer
;
1292 if (!_eglSurfaceInSharedBufferMode(&dri2_surf
->base
)) {
1293 _eglLog(_EGL_WARNING
, "%s: internal error: buffer is not shared",
1298 if (fence_fd
>= 0) {
1299 /* The driver's fence is more recent than the surface's out fence, if it
1300 * exists at all. So use the driver's fence.
1302 if (dri2_surf
->out_fence_fd
>= 0) {
1303 close(dri2_surf
->out_fence_fd
);
1304 dri2_surf
->out_fence_fd
= -1;
1306 } else if (dri2_surf
->out_fence_fd
>= 0) {
1307 fence_fd
= dri2_surf
->out_fence_fd
;
1308 dri2_surf
->out_fence_fd
= -1;
1311 if (dri2_surf
->window
->queueBuffer(dri2_surf
->window
, dri2_surf
->buffer
,
1313 _eglLog(_EGL_WARNING
, "%s: ANativeWindow::queueBuffer failed", __func__
);
1320 if (dri2_surf
->window
->dequeueBuffer(dri2_surf
->window
, &dri2_surf
->buffer
,
1322 /* Tear down the surface because it no longer has a back buffer. */
1323 struct dri2_egl_display
*dri2_dpy
=
1324 dri2_egl_display(dri2_surf
->base
.Resource
.Display
);
1326 _eglLog(_EGL_WARNING
, "%s: ANativeWindow::dequeueBuffer failed", __func__
);
1328 dri2_surf
->base
.Lost
= true;
1329 dri2_surf
->buffer
= NULL
;
1330 dri2_surf
->back
= NULL
;
1332 if (dri2_surf
->dri_image_back
) {
1333 dri2_dpy
->image
->destroyImage(dri2_surf
->dri_image_back
);
1334 dri2_surf
->dri_image_back
= NULL
;
1337 dri2_dpy
->flush
->invalidate(dri2_surf
->dri_drawable
);
1344 /* Access to the buffer is controlled by a sync fence. Block on it.
1346 * Ideally, we would submit the fence to the driver, and the driver would
1347 * postpone command execution until it signalled. But DRI lacks API for
1348 * that (as of 2018-04-11).
1350 * SYNC_IOC_WAIT waits forever if timeout < 0
1352 sync_wait(fence_fd
, -1);
1356 static const __DRImutableRenderBufferLoaderExtension droid_mutable_render_buffer_extension
= {
1357 .base
= { __DRI_MUTABLE_RENDER_BUFFER_LOADER
, 1 },
1358 .displaySharedBuffer
= droid_display_shared_buffer
,
1361 static const __DRIextension
*droid_image_loader_extensions
[] = {
1362 &droid_image_loader_extension
.base
,
1363 &image_lookup_extension
.base
,
1364 &use_invalidate
.base
,
1365 &droid_mutable_render_buffer_extension
.base
,
1370 droid_load_driver(_EGLDisplay
*disp
, bool swrast
)
1372 struct dri2_egl_display
*dri2_dpy
= disp
->DriverData
;
1375 dri2_dpy
->driver_name
= loader_get_driver_for_fd(dri2_dpy
->fd
);
1376 if (dri2_dpy
->driver_name
== NULL
)
1379 #ifdef HAVE_DRM_GRALLOC
1380 /* Handle control nodes using __DRI_DRI2_LOADER extension and GEM names
1381 * for backwards compatibility with drm_gralloc. (Do not use on new
1383 dri2_dpy
->loader_extensions
= droid_dri2_loader_extensions
;
1384 if (!dri2_load_driver(disp
)) {
1385 err
= "DRI2: failed to load driver";
1390 /* Use kms swrast only with vgem / virtio_gpu.
1391 * virtio-gpu fallbacks to software rendering when 3D features
1392 * are unavailable since 6c5ab.
1394 if (strcmp(dri2_dpy
->driver_name
, "vgem") == 0 ||
1395 strcmp(dri2_dpy
->driver_name
, "virtio_gpu") == 0) {
1396 free(dri2_dpy
->driver_name
);
1397 dri2_dpy
->driver_name
= strdup("kms_swrast");
1399 err
= "DRI3: failed to find software capable driver";
1404 dri2_dpy
->loader_extensions
= droid_image_loader_extensions
;
1405 if (!dri2_load_driver_dri3(disp
)) {
1406 err
= "DRI3: failed to load driver";
1414 free(dri2_dpy
->driver_name
);
1415 dri2_dpy
->driver_name
= NULL
;
1420 droid_unload_driver(_EGLDisplay
*disp
)
1422 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1424 dlclose(dri2_dpy
->driver
);
1425 dri2_dpy
->driver
= NULL
;
1426 free(dri2_dpy
->driver_name
);
1427 dri2_dpy
->driver_name
= NULL
;
1431 droid_filter_device(_EGLDisplay
*disp
, int fd
, const char *vendor
)
1433 drmVersionPtr ver
= drmGetVersion(fd
);
1437 if (strcmp(vendor
, ver
->name
) != 0) {
1438 drmFreeVersion(ver
);
1442 drmFreeVersion(ver
);
1447 droid_probe_device(_EGLDisplay
*disp
, bool swrast
)
1449 /* Check that the device is supported, by attempting to:
1450 * - load the dri module
1451 * - and, create a screen
1453 if (!droid_load_driver(disp
, swrast
))
1456 if (!dri2_create_screen(disp
)) {
1457 _eglLog(_EGL_WARNING
, "DRI2: failed to create screen");
1458 droid_unload_driver(disp
);
1464 #ifdef HAVE_DRM_GRALLOC
1466 droid_open_device(_EGLDisplay
*disp
, bool swrast
)
1468 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1469 int fd
= -1, err
= -EINVAL
;
1474 if (dri2_dpy
->gralloc
->perform
)
1475 err
= dri2_dpy
->gralloc
->perform(dri2_dpy
->gralloc
,
1476 GRALLOC_MODULE_PERFORM_GET_DRM_FD
,
1478 if (err
|| fd
< 0) {
1479 _eglLog(_EGL_WARNING
, "fail to get drm fd");
1483 dri2_dpy
->fd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 3);
1484 if (dri2_dpy
->fd
< 0)
1487 if (drmGetNodeTypeFromFd(dri2_dpy
->fd
) == DRM_NODE_RENDER
)
1490 return droid_probe_device(disp
, swrast
);
1494 droid_open_device(_EGLDisplay
*disp
, bool swrast
)
1496 #define MAX_DRM_DEVICES 64
1497 struct dri2_egl_display
*dri2_dpy
= dri2_egl_display(disp
);
1498 drmDevicePtr device
, devices
[MAX_DRM_DEVICES
] = { NULL
};
1501 char *vendor_name
= NULL
;
1502 char vendor_buf
[PROPERTY_VALUE_MAX
];
1504 #ifdef EGL_FORCE_RENDERNODE
1505 const unsigned node_type
= DRM_NODE_RENDER
;
1507 const unsigned node_type
= swrast
? DRM_NODE_PRIMARY
: DRM_NODE_RENDER
;
1510 if (property_get("drm.gpu.vendor_name", vendor_buf
, NULL
) > 0)
1511 vendor_name
= vendor_buf
;
1513 num_devices
= drmGetDevices2(0, devices
, ARRAY_SIZE(devices
));
1514 if (num_devices
< 0)
1517 for (int i
= 0; i
< num_devices
; i
++) {
1518 device
= devices
[i
];
1520 if (!(device
->available_nodes
& (1 << node_type
)))
1523 dri2_dpy
->fd
= loader_open_device(device
->nodes
[node_type
]);
1524 if (dri2_dpy
->fd
< 0) {
1525 _eglLog(_EGL_WARNING
, "%s() Failed to open DRM device %s",
1526 __func__
, device
->nodes
[node_type
]);
1530 /* If a vendor is explicitly provided, we use only that.
1531 * Otherwise we fall-back the first device that is supported.
1534 if (droid_filter_device(disp
, dri2_dpy
->fd
, vendor_name
)) {
1535 /* Device does not match - try next device */
1536 close(dri2_dpy
->fd
);
1540 /* If the requested device matches - use it. Regardless if
1541 * init fails, do not fall-back to any other device.
1543 if (!droid_probe_device(disp
, false)) {
1544 close(dri2_dpy
->fd
);
1550 if (droid_probe_device(disp
, swrast
))
1553 /* No explicit request - attempt the next device */
1554 close(dri2_dpy
->fd
);
1557 drmFreeDevices(devices
, num_devices
);
1559 if (dri2_dpy
->fd
< 0) {
1560 _eglLog(_EGL_WARNING
, "Failed to open %s DRM device",
1561 vendor_name
? "desired": "any");
1566 #undef MAX_DRM_DEVICES
1572 dri2_initialize_android(_EGLDriver
*drv
, _EGLDisplay
*disp
)
1575 bool device_opened
= false;
1576 struct dri2_egl_display
*dri2_dpy
;
1580 dri2_dpy
= calloc(1, sizeof(*dri2_dpy
));
1582 return _eglError(EGL_BAD_ALLOC
, "eglInitialize");
1585 ret
= hw_get_module(GRALLOC_HARDWARE_MODULE_ID
,
1586 (const hw_module_t
**)&dri2_dpy
->gralloc
);
1588 err
= "DRI2: failed to get gralloc module";
1592 disp
->DriverData
= (void *) dri2_dpy
;
1593 if (!disp
->Options
.ForceSoftware
)
1594 device_opened
= droid_open_device(disp
, false);
1596 device_opened
= droid_open_device(disp
, true);
1598 if (!device_opened
) {
1599 err
= "DRI2: failed to open device";
1603 dev
= _eglAddDevice(dri2_dpy
->fd
, false);
1605 err
= "DRI2: failed to find EGLDevice";
1611 if (!dri2_setup_extensions(disp
)) {
1612 err
= "DRI2: failed to setup extensions";
1616 dri2_setup_screen(disp
);
1618 /* We set the maximum swap interval as 1 for Android platform, since it is
1619 * the maximum value supported by Android according to the value of
1620 * ANativeWindow::maxSwapInterval.
1622 dri2_setup_swap_interval(disp
, 1);
1624 disp
->Extensions
.ANDROID_framebuffer_target
= EGL_TRUE
;
1625 disp
->Extensions
.ANDROID_image_native_buffer
= EGL_TRUE
;
1626 disp
->Extensions
.ANDROID_recordable
= EGL_TRUE
;
1627 disp
->Extensions
.EXT_buffer_age
= EGL_TRUE
;
1628 #if ANDROID_API_LEVEL >= 23
1629 disp
->Extensions
.KHR_partial_update
= EGL_TRUE
;
1631 disp
->Extensions
.KHR_image
= EGL_TRUE
;
1632 #if ANDROID_API_LEVEL >= 24
1633 if (dri2_dpy
->mutable_render_buffer
&&
1634 dri2_dpy
->loader_extensions
== droid_image_loader_extensions
) {
1635 disp
->Extensions
.KHR_mutable_render_buffer
= EGL_TRUE
;
1639 /* Create configs *after* enabling extensions because presence of DRI
1640 * driver extensions can affect the capabilities of EGLConfigs.
1642 if (!droid_add_configs_for_visuals(drv
, disp
)) {
1643 err
= "DRI2: failed to add configs";
1647 /* Fill vtbl last to prevent accidentally calling virtual function during
1650 dri2_dpy
->vtbl
= &droid_display_vtbl
;
1655 dri2_display_destroy(disp
);
1656 return _eglError(EGL_NOT_INITIALIZED
, err
);