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.
33 #if ANDROID_VERSION >= 0x402
34 #include <sync/sync.h>
39 #include "egl_dri2_fallbacks.h"
40 #include "gralloc_drm.h"
43 get_format_bpp(int native)
48 case HAL_PIXEL_FORMAT_RGBA_8888:
49 case HAL_PIXEL_FORMAT_RGBX_8888:
50 case HAL_PIXEL_FORMAT_BGRA_8888:
53 case HAL_PIXEL_FORMAT_RGB_888:
56 case HAL_PIXEL_FORMAT_RGB_565:
68 get_native_buffer_name(struct ANativeWindowBuffer *buf)
70 return gralloc_drm_get_gem_handle(buf->handle);
74 droid_window_dequeue_buffer(struct dri2_egl_surface *dri2_surf)
76 #if ANDROID_VERSION >= 0x0402
79 if (dri2_surf->window->dequeueBuffer(dri2_surf->window, &dri2_surf->buffer,
83 /* If access to the buffer is controlled by a sync fence, then block on the
86 * It may be more performant to postpone blocking until there is an
87 * immediate need to write to the buffer. But doing so would require adding
88 * hooks to the DRI2 loader.
90 * From the ANativeWindow::dequeueBuffer documentation:
92 * The libsync fence file descriptor returned in the int pointed to by
93 * the fenceFd argument will refer to the fence that must signal
94 * before the dequeued buffer may be written to. A value of -1
95 * indicates that the caller may access the buffer immediately without
96 * waiting on a fence. If a valid file descriptor is returned (i.e.
97 * any value except -1) then the caller is responsible for closing the
101 /* From the SYNC_IOC_WAIT documentation in <linux/sync.h>:
103 * Waits indefinitely if timeout < 0.
106 sync_wait(fence_fd, timeout);
110 dri2_surf->buffer->common.incRef(&dri2_surf->buffer->common);
112 if (dri2_surf->window->dequeueBuffer(dri2_surf->window, &dri2_surf->buffer))
115 dri2_surf->buffer->common.incRef(&dri2_surf->buffer->common);
116 dri2_surf->window->lockBuffer(dri2_surf->window, dri2_surf->buffer);
123 droid_window_enqueue_buffer(struct dri2_egl_surface *dri2_surf)
125 #if ANDROID_VERSION >= 0x0402
126 /* Queue the buffer without a sync fence. This informs the ANativeWindow
127 * that it may access the buffer immediately.
129 * From ANativeWindow::dequeueBuffer:
131 * The fenceFd argument specifies a libsync fence file descriptor for
132 * a fence that must signal before the buffer can be accessed. If
133 * the buffer can be accessed immediately then a value of -1 should
134 * be used. The caller must not use the file descriptor after it
135 * is passed to queueBuffer, and the ANativeWindow implementation
136 * is responsible for closing it.
139 dri2_surf->window->queueBuffer(dri2_surf->window, dri2_surf->buffer,
142 dri2_surf->window->queueBuffer(dri2_surf->window, dri2_surf->buffer);
145 dri2_surf->buffer->common.decRef(&dri2_surf->buffer->common);
146 dri2_surf->buffer = NULL;
152 droid_window_cancel_buffer(struct dri2_egl_surface *dri2_surf)
154 /* no cancel buffer? */
155 droid_window_enqueue_buffer(dri2_surf);
159 droid_alloc_local_buffer(struct dri2_egl_surface *dri2_surf,
160 unsigned int att, unsigned int format)
162 struct dri2_egl_display *dri2_dpy =
163 dri2_egl_display(dri2_surf->base.Resource.Display);
165 if (att >= ARRAY_SIZE(dri2_surf->local_buffers))
168 if (!dri2_surf->local_buffers[att]) {
169 dri2_surf->local_buffers[att] =
170 dri2_dpy->dri2->allocateBuffer(dri2_dpy->dri_screen, att, format,
171 dri2_surf->base.Width, dri2_surf->base.Height);
174 return dri2_surf->local_buffers[att];
178 droid_free_local_buffers(struct dri2_egl_surface *dri2_surf)
180 struct dri2_egl_display *dri2_dpy =
181 dri2_egl_display(dri2_surf->base.Resource.Display);
184 for (i = 0; i < ARRAY_SIZE(dri2_surf->local_buffers); i++) {
185 if (dri2_surf->local_buffers[i]) {
186 dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen,
187 dri2_surf->local_buffers[i]);
188 dri2_surf->local_buffers[i] = NULL;
194 droid_create_surface(_EGLDriver *drv, _EGLDisplay *disp, EGLint type,
195 _EGLConfig *conf, void *native_window,
196 const EGLint *attrib_list)
198 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
199 struct dri2_egl_config *dri2_conf = dri2_egl_config(conf);
200 struct dri2_egl_surface *dri2_surf;
201 struct ANativeWindow *window = native_window;
202 const __DRIconfig *config;
204 dri2_surf = calloc(1, sizeof *dri2_surf);
206 _eglError(EGL_BAD_ALLOC, "droid_create_surface");
210 if (!_eglInitSurface(&dri2_surf->base, disp, type, conf, attrib_list))
211 goto cleanup_surface;
213 if (type == EGL_WINDOW_BIT) {
216 if (!window || window->common.magic != ANDROID_NATIVE_WINDOW_MAGIC) {
217 _eglError(EGL_BAD_NATIVE_WINDOW, "droid_create_surface");
218 goto cleanup_surface;
220 if (window->query(window, NATIVE_WINDOW_FORMAT, &format)) {
221 _eglError(EGL_BAD_NATIVE_WINDOW, "droid_create_surface");
222 goto cleanup_surface;
225 if (format != dri2_conf->base.NativeVisualID) {
226 _eglLog(_EGL_WARNING, "Native format mismatch: 0x%x != 0x%x",
227 format, dri2_conf->base.NativeVisualID);
230 window->query(window, NATIVE_WINDOW_WIDTH, &dri2_surf->base.Width);
231 window->query(window, NATIVE_WINDOW_HEIGHT, &dri2_surf->base.Height);
234 config = dri2_get_dri_config(dri2_conf, EGL_WINDOW_BIT,
235 dri2_surf->base.GLColorspace);
237 dri2_surf->dri_drawable =
238 (*dri2_dpy->dri2->createNewDrawable)(dri2_dpy->dri_screen, config,
240 if (dri2_surf->dri_drawable == NULL) {
241 _eglError(EGL_BAD_ALLOC, "dri2->createNewDrawable");
242 goto cleanup_surface;
246 window->common.incRef(&window->common);
247 dri2_surf->window = window;
250 return &dri2_surf->base;
259 droid_create_window_surface(_EGLDriver *drv, _EGLDisplay *disp,
260 _EGLConfig *conf, void *native_window,
261 const EGLint *attrib_list)
263 return droid_create_surface(drv, disp, EGL_WINDOW_BIT, conf,
264 native_window, attrib_list);
268 droid_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *disp,
269 _EGLConfig *conf, const EGLint *attrib_list)
271 return droid_create_surface(drv, disp, EGL_PBUFFER_BIT, conf,
276 droid_destroy_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf)
278 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
279 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
281 if (!_eglPutSurface(surf))
284 droid_free_local_buffers(dri2_surf);
286 if (dri2_surf->base.Type == EGL_WINDOW_BIT) {
287 if (dri2_surf->buffer)
288 droid_window_cancel_buffer(dri2_surf);
290 dri2_surf->window->common.decRef(&dri2_surf->window->common);
293 (*dri2_dpy->core->destroyDrawable)(dri2_surf->dri_drawable);
301 droid_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw)
303 struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
304 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
305 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw);
308 if (dri2_surf->base.Type != EGL_WINDOW_BIT)
311 if (dri2_drv->glFlush) {
312 ctx = _eglGetCurrentContext();
313 if (ctx && ctx->DrawSurface == &dri2_surf->base)
317 dri2_flush_drawable_for_swapbuffers(disp, draw);
319 if (dri2_surf->buffer)
320 droid_window_enqueue_buffer(dri2_surf);
322 (*dri2_dpy->flush->invalidate)(dri2_surf->dri_drawable);
328 dri2_create_image_android_native_buffer(_EGLDisplay *disp, _EGLContext *ctx,
329 struct ANativeWindowBuffer *buf)
331 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
332 struct dri2_egl_image *dri2_img;
337 /* From the EGL_ANDROID_image_native_buffer spec:
339 * * If <target> is EGL_NATIVE_BUFFER_ANDROID and <ctx> is not
340 * EGL_NO_CONTEXT, the error EGL_BAD_CONTEXT is generated.
342 _eglError(EGL_BAD_CONTEXT, "eglCreateEGLImageKHR: for "
343 "EGL_NATIVE_BUFFER_ANDROID, the context must be "
348 if (!buf || buf->common.magic != ANDROID_NATIVE_BUFFER_MAGIC ||
349 buf->common.version != sizeof(*buf)) {
350 _eglError(EGL_BAD_PARAMETER, "eglCreateEGLImageKHR");
354 name = get_native_buffer_name(buf);
356 _eglError(EGL_BAD_PARAMETER, "eglCreateEGLImageKHR");
360 /* see the table in droid_add_configs_for_visuals */
361 switch (buf->format) {
362 case HAL_PIXEL_FORMAT_BGRA_8888:
363 format = __DRI_IMAGE_FORMAT_ARGB8888;
365 case HAL_PIXEL_FORMAT_RGB_565:
366 format = __DRI_IMAGE_FORMAT_RGB565;
368 case HAL_PIXEL_FORMAT_RGBA_8888:
369 format = __DRI_IMAGE_FORMAT_ABGR8888;
371 case HAL_PIXEL_FORMAT_RGBX_8888:
372 format = __DRI_IMAGE_FORMAT_XBGR8888;
374 case HAL_PIXEL_FORMAT_RGB_888:
377 _eglLog(_EGL_WARNING, "unsupported native buffer format 0x%x", buf->format);
382 dri2_img = calloc(1, sizeof(*dri2_img));
384 _eglError(EGL_BAD_ALLOC, "droid_create_image_mesa_drm");
388 if (!_eglInitImage(&dri2_img->base, disp)) {
393 dri2_img->dri_image =
394 dri2_dpy->image->createImageFromName(dri2_dpy->dri_screen,
401 if (!dri2_img->dri_image) {
403 _eglError(EGL_BAD_ALLOC, "droid_create_image_mesa_drm");
407 return &dri2_img->base;
411 droid_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
412 _EGLContext *ctx, EGLenum target,
413 EGLClientBuffer buffer, const EGLint *attr_list)
416 case EGL_NATIVE_BUFFER_ANDROID:
417 return dri2_create_image_android_native_buffer(disp, ctx,
418 (struct ANativeWindowBuffer *) buffer);
420 return dri2_create_image_khr(drv, disp, ctx, target, buffer, attr_list);
425 droid_flush_front_buffer(__DRIdrawable * driDrawable, void *loaderPrivate)
430 droid_get_buffers_parse_attachments(struct dri2_egl_surface *dri2_surf,
431 unsigned int *attachments, int count)
433 int num_buffers = 0, i;
435 /* fill dri2_surf->buffers */
436 for (i = 0; i < count * 2; i += 2) {
437 __DRIbuffer *buf, *local;
439 assert(num_buffers < ARRAY_SIZE(dri2_surf->buffers));
440 buf = &dri2_surf->buffers[num_buffers];
442 switch (attachments[i]) {
443 case __DRI_BUFFER_BACK_LEFT:
444 if (dri2_surf->base.Type == EGL_WINDOW_BIT) {
445 buf->attachment = attachments[i];
446 buf->name = get_native_buffer_name(dri2_surf->buffer);
447 buf->cpp = get_format_bpp(dri2_surf->buffer->format);
448 buf->pitch = dri2_surf->buffer->stride * buf->cpp;
456 /* fall through for pbuffers */
457 case __DRI_BUFFER_DEPTH:
458 case __DRI_BUFFER_STENCIL:
459 case __DRI_BUFFER_ACCUM:
460 case __DRI_BUFFER_DEPTH_STENCIL:
461 case __DRI_BUFFER_HIZ:
462 local = droid_alloc_local_buffer(dri2_surf,
463 attachments[i], attachments[i + 1]);
470 case __DRI_BUFFER_FRONT_LEFT:
471 case __DRI_BUFFER_FRONT_RIGHT:
472 case __DRI_BUFFER_FAKE_FRONT_LEFT:
473 case __DRI_BUFFER_FAKE_FRONT_RIGHT:
474 case __DRI_BUFFER_BACK_RIGHT:
476 /* no front or right buffers */
485 droid_get_buffers_with_format(__DRIdrawable * driDrawable,
486 int *width, int *height,
487 unsigned int *attachments, int count,
488 int *out_count, void *loaderPrivate)
490 struct dri2_egl_surface *dri2_surf = loaderPrivate;
491 struct dri2_egl_display *dri2_dpy =
492 dri2_egl_display(dri2_surf->base.Resource.Display);
495 if (dri2_surf->base.Type == EGL_WINDOW_BIT) {
496 /* try to dequeue the next back buffer */
497 if (!dri2_surf->buffer && !droid_window_dequeue_buffer(dri2_surf))
500 /* free outdated buffers and update the surface size */
501 if (dri2_surf->base.Width != dri2_surf->buffer->width ||
502 dri2_surf->base.Height != dri2_surf->buffer->height) {
503 droid_free_local_buffers(dri2_surf);
504 dri2_surf->base.Width = dri2_surf->buffer->width;
505 dri2_surf->base.Height = dri2_surf->buffer->height;
509 dri2_surf->buffer_count =
510 droid_get_buffers_parse_attachments(dri2_surf, attachments, count);
513 *width = dri2_surf->base.Width;
515 *height = dri2_surf->base.Height;
517 *out_count = dri2_surf->buffer_count;;
519 return dri2_surf->buffers;
523 droid_add_configs_for_visuals(_EGLDriver *drv, _EGLDisplay *dpy)
525 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy);
528 unsigned int rgba_masks[4];
530 { HAL_PIXEL_FORMAT_RGBA_8888, { 0xff, 0xff00, 0xff0000, 0xff000000 } },
531 { HAL_PIXEL_FORMAT_RGBX_8888, { 0xff, 0xff00, 0xff0000, 0x0 } },
532 { HAL_PIXEL_FORMAT_RGB_888, { 0xff, 0xff00, 0xff0000, 0x0 } },
533 { HAL_PIXEL_FORMAT_RGB_565, { 0xf800, 0x7e0, 0x1f, 0x0 } },
534 { HAL_PIXEL_FORMAT_BGRA_8888, { 0xff0000, 0xff00, 0xff, 0xff000000 } },
535 { 0, 0, { 0, 0, 0, 0 } }
540 for (i = 0; visuals[i].format; i++) {
541 int format_count = 0;
543 for (j = 0; dri2_dpy->driver_configs[j]; j++) {
544 const EGLint surface_type = EGL_WINDOW_BIT | EGL_PBUFFER_BIT;
545 struct dri2_egl_config *dri2_conf;
546 unsigned int double_buffered = 0;
548 dri2_dpy->core->getConfigAttrib(dri2_dpy->driver_configs[j],
549 __DRI_ATTRIB_DOUBLE_BUFFER, &double_buffered);
551 /* support only double buffered configs */
552 if (!double_buffered)
555 dri2_conf = dri2_add_config(dpy, dri2_dpy->driver_configs[j],
556 count + 1, surface_type, NULL, visuals[i].rgba_masks);
558 dri2_conf->base.NativeVisualID = visuals[i].format;
559 dri2_conf->base.NativeVisualType = visuals[i].format;
566 _eglLog(_EGL_DEBUG, "No DRI config supports native format 0x%x",
571 /* post-process configs */
572 for (i = 0; i < dpy->Configs->Size; i++) {
573 struct dri2_egl_config *dri2_conf = dri2_egl_config(dpy->Configs->Elements[i]);
575 /* there is no front buffer so no OpenGL */
576 dri2_conf->base.RenderableType &= ~EGL_OPENGL_BIT;
577 dri2_conf->base.Conformant &= ~EGL_OPENGL_BIT;
584 droid_open_device(void)
586 const hw_module_t *mod;
589 err = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &mod);
591 const gralloc_module_t *gr = (gralloc_module_t *) mod;
595 err = gr->perform(gr, GRALLOC_MODULE_PERFORM_GET_DRM_FD, &fd);
598 _eglLog(_EGL_WARNING, "fail to get drm fd");
602 return (fd >= 0) ? dup(fd) : -1;
605 /* support versions < JellyBean */
617 droid_log(EGLint level, const char *msg)
630 LOG_FATAL("%s", msg);
637 static struct dri2_egl_display_vtbl droid_display_vtbl = {
638 .authenticate = NULL,
639 .create_window_surface = droid_create_window_surface,
640 .create_pixmap_surface = dri2_fallback_create_pixmap_surface,
641 .create_pbuffer_surface = droid_create_pbuffer_surface,
642 .destroy_surface = droid_destroy_surface,
643 .create_image = droid_create_image_khr,
644 .swap_interval = dri2_fallback_swap_interval,
645 .swap_buffers = droid_swap_buffers,
646 .swap_buffers_with_damage = dri2_fallback_swap_buffers_with_damage,
647 .swap_buffers_region = dri2_fallback_swap_buffers_region,
648 .post_sub_buffer = dri2_fallback_post_sub_buffer,
649 .copy_buffers = dri2_fallback_copy_buffers,
650 .query_buffer_age = dri2_fallback_query_buffer_age,
651 .create_wayland_buffer_from_image = dri2_fallback_create_wayland_buffer_from_image,
652 .get_sync_values = dri2_fallback_get_sync_values,
653 .get_dri_drawable = dri2_surface_get_dri_drawable,
657 dri2_initialize_android(_EGLDriver *drv, _EGLDisplay *dpy)
659 struct dri2_egl_display *dri2_dpy;
662 _eglSetLogProc(droid_log);
664 loader_set_logger(_eglLog);
666 dri2_dpy = calloc(1, sizeof(*dri2_dpy));
668 return _eglError(EGL_BAD_ALLOC, "eglInitialize");
670 dpy->DriverData = (void *) dri2_dpy;
672 dri2_dpy->fd = droid_open_device();
673 if (dri2_dpy->fd < 0) {
674 err = "DRI2: failed to open device";
675 goto cleanup_display;
678 dri2_dpy->driver_name = loader_get_driver_for_fd(dri2_dpy->fd, 0);
679 if (dri2_dpy->driver_name == NULL) {
680 err = "DRI2: failed to get driver name";
684 if (!dri2_load_driver(dpy)) {
685 err = "DRI2: failed to load driver";
686 goto cleanup_driver_name;
689 dri2_dpy->dri2_loader_extension.base.name = __DRI_DRI2_LOADER;
690 dri2_dpy->dri2_loader_extension.base.version = 3;
691 dri2_dpy->dri2_loader_extension.getBuffers = NULL;
692 dri2_dpy->dri2_loader_extension.flushFrontBuffer = droid_flush_front_buffer;
693 dri2_dpy->dri2_loader_extension.getBuffersWithFormat =
694 droid_get_buffers_with_format;
696 dri2_dpy->extensions[0] = &dri2_dpy->dri2_loader_extension.base;
697 dri2_dpy->extensions[1] = &image_lookup_extension.base;
698 dri2_dpy->extensions[2] = &use_invalidate.base;
699 dri2_dpy->extensions[3] = NULL;
701 if (!dri2_create_screen(dpy)) {
702 err = "DRI2: failed to create screen";
706 if (!droid_add_configs_for_visuals(drv, dpy)) {
707 err = "DRI2: failed to add configs";
711 dpy->Extensions.ANDROID_image_native_buffer = EGL_TRUE;
712 dpy->Extensions.KHR_image_base = EGL_TRUE;
714 /* Fill vtbl last to prevent accidentally calling virtual function during
717 dri2_dpy->vtbl = &droid_display_vtbl;
722 dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
724 dlclose(dri2_dpy->driver);
726 free(dri2_dpy->driver_name);
732 return _eglError(EGL_NOT_INITIALIZED, err);