[Mesa-dev] [PATCH 6/8] egl/wayland: Pull color buffers from dri2_surf->color_buffers pool
Kristian Høgsberg
krh at bitplanet.net
Thu Dec 13 21:05:02 PST 2012
We used to keep the color buffers in the dri_buffers array and
swap __DRI_BUFFER_BACK_LEFT and __DRI_BUFFER_FRONT_LEFT around there
and swap third_buffer in in case we needed to triple buffer. That
gets a little fidgety with all the swaps, so lets use the
color_buffers pool like the gbm platform does. We track the color buffers,
their corresponding wl_buffer and locked status here and just plug
a free one into dri2_surf->buffers when we need to.
This is a nice clean-up in itself, but it also sets us up to track
buffer age in the color_buffers structs.
---
src/egl/drivers/dri2/egl_dri2.h | 23 +-
src/egl/drivers/dri2/platform_wayland.c | 367 +++++++++++--------------------
2 files changed, 135 insertions(+), 255 deletions(-)
diff --git a/src/egl/drivers/dri2/egl_dri2.h b/src/egl/drivers/dri2/egl_dri2.h
index eb8c06e..84ea2a6 100644
--- a/src/egl/drivers/dri2/egl_dri2.h
+++ b/src/egl/drivers/dri2/egl_dri2.h
@@ -172,28 +172,29 @@ struct dri2_egl_surface
#ifdef HAVE_WAYLAND_PLATFORM
struct wl_egl_window *wl_win;
- struct wl_egl_pixmap *wl_pix;
- struct wl_buffer *wl_drm_buffer[WL_BUFFER_COUNT];
- int wl_buffer_lock[WL_BUFFER_COUNT];
int dx;
int dy;
- __DRIbuffer *dri_buffers[__DRI_BUFFER_COUNT];
- __DRIbuffer *third_buffer;
- __DRIbuffer *pending_buffer;
struct wl_callback *frame_callback;
int format;
#endif
#ifdef HAVE_DRM_PLATFORM
struct gbm_dri_surface *gbm_surf;
+#endif
+
+#if defined(HAVE_WAYLAND_PLATFORM) || defined(HAVE_DRM_PLATFORM)
+ __DRIbuffer *dri_buffers[__DRI_BUFFER_COUNT];
struct {
+#ifdef HAVE_WAYLAND_PLATFORM
+ struct wl_buffer *wl_buffer;
+ __DRIbuffer *dri_buffer;
+#endif
+#ifdef HAVE_DRM_PLATFORM
struct gbm_bo *bo;
- int locked;
- int age;
- } color_buffers[3], *back, *current;
-#ifndef HAVE_WAYLAND_PLATFORM
- __DRIbuffer *dri_buffers[__DRI_BUFFER_COUNT];
#endif
+ int locked;
+ int age;
+ } color_buffers[3], *back, *current;
#endif
#ifdef HAVE_ANDROID_PLATFORM
diff --git a/src/egl/drivers/dri2/platform_wayland.c b/src/egl/drivers/dri2/platform_wayland.c
index 260a80d..3c6bdd9 100644
--- a/src/egl/drivers/dri2/platform_wayland.c
+++ b/src/egl/drivers/dri2/platform_wayland.c
@@ -1,5 +1,5 @@
/*
- * Copyright © 2011 Intel Corporation
+ * Copyright © 2011-2012 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
@@ -79,18 +79,16 @@ wl_buffer_release(void *data, struct wl_buffer *buffer)
struct dri2_egl_surface *dri2_surf = data;
int i;
- for (i = 0; i < WL_BUFFER_COUNT; ++i)
- if (dri2_surf->wl_drm_buffer[i] == buffer)
+ for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); ++i)
+ if (dri2_surf->color_buffers[i].wl_buffer == buffer)
break;
- assert(i <= WL_BUFFER_COUNT);
-
- /* not found? */
- if (i == WL_BUFFER_COUNT)
+ if (i == ARRAY_SIZE(dri2_surf->color_buffers)) {
+ wl_buffer_destroy(buffer);
return;
+ }
- dri2_surf->wl_buffer_lock[i] = 0;
-
+ dri2_surf->color_buffers[i].locked = 0;
}
static struct wl_buffer_listener wl_buffer_listener = {
@@ -118,7 +116,6 @@ dri2_create_surface(_EGLDriver *drv, _EGLDisplay *disp, EGLint type,
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
struct dri2_egl_config *dri2_conf = dri2_egl_config(conf);
struct dri2_egl_surface *dri2_surf;
- int i;
(void) drv;
@@ -128,21 +125,10 @@ dri2_create_surface(_EGLDriver *drv, _EGLDisplay *disp, EGLint type,
return NULL;
}
+ memset(dri2_surf, 0, sizeof *dri2_surf);
if (!_eglInitSurface(&dri2_surf->base, disp, type, conf, attrib_list))
goto cleanup_surf;
- for (i = 0; i < WL_BUFFER_COUNT; ++i) {
- dri2_surf->wl_drm_buffer[i] = NULL;
- dri2_surf->wl_buffer_lock[i] = 0;
- }
-
- for (i = 0; i < __DRI_BUFFER_COUNT; ++i)
- dri2_surf->dri_buffers[i] = NULL;
-
- dri2_surf->pending_buffer = NULL;
- dri2_surf->third_buffer = NULL;
- dri2_surf->frame_callback = NULL;
-
if (conf->AlphaSize == 0)
dri2_surf->format = WL_DRM_FORMAT_XRGB8888;
else
@@ -212,24 +198,23 @@ dri2_destroy_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf)
(*dri2_dpy->core->destroyDrawable)(dri2_surf->dri_drawable);
- for (i = 0; i < WL_BUFFER_COUNT; ++i)
- if (dri2_surf->wl_drm_buffer[i])
- wl_buffer_destroy(dri2_surf->wl_drm_buffer[i]);
+ for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
+ if (dri2_surf->color_buffers[i].wl_buffer)
+ wl_buffer_destroy(dri2_surf->color_buffers[i].wl_buffer);
+ if (dri2_surf->color_buffers[i].dri_buffer)
+ dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen,
+ dri2_surf->color_buffers[i].dri_buffer);
+ }
- for (i = 0; i < __DRI_BUFFER_COUNT; ++i)
- if (dri2_surf->dri_buffers[i])
+ for (i = 0; i < __DRI_BUFFER_COUNT; i++)
+ if (dri2_surf->dri_buffers[i] &&
+ dri2_surf->dri_buffers[i]->attachment != __DRI_BUFFER_BACK_LEFT)
dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen,
dri2_surf->dri_buffers[i]);
- if (dri2_surf->third_buffer) {
- dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen,
- dri2_surf->third_buffer);
- }
-
if (dri2_surf->frame_callback)
wl_callback_destroy(dri2_surf->frame_callback);
-
if (dri2_surf->base.Type == EGL_WINDOW_BIT) {
dri2_surf->wl_win->private = NULL;
dri2_surf->wl_win->resize_callback = NULL;
@@ -240,173 +225,90 @@ dri2_destroy_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf)
return EGL_TRUE;
}
-static struct wl_buffer *
-wayland_create_buffer(struct dri2_egl_surface *dri2_surf,
- __DRIbuffer *buffer)
-{
- struct dri2_egl_display *dri2_dpy =
- dri2_egl_display(dri2_surf->base.Resource.Display);
- struct wl_buffer *buf;
-
- buf = wl_drm_create_buffer(dri2_dpy->wl_drm, buffer->name,
- dri2_surf->base.Width, dri2_surf->base.Height,
- buffer->pitch, dri2_surf->format);
- wl_buffer_add_listener(buf, &wl_buffer_listener, dri2_surf);
-
- return buf;
-}
-
static void
-dri2_process_back_buffer(struct dri2_egl_surface *dri2_surf, unsigned format)
+dri2_release_buffers(struct dri2_egl_surface *dri2_surf)
{
struct dri2_egl_display *dri2_dpy =
dri2_egl_display(dri2_surf->base.Resource.Display);
+ int i;
- (void) format;
+ for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
+ if (dri2_surf->color_buffers[i].wl_buffer &&
+ !dri2_surf->color_buffers[i].locked)
+ wl_buffer_destroy(dri2_surf->color_buffers[i].wl_buffer);
+ if (dri2_surf->color_buffers[i].dri_buffer)
+ dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen,
+ dri2_surf->color_buffers[i].dri_buffer);
- switch (dri2_surf->base.Type) {
- case EGL_WINDOW_BIT:
- /* allocate a front buffer for our double-buffered window*/
- if (dri2_surf->dri_buffers[__DRI_BUFFER_FRONT_LEFT] != NULL)
- break;
- dri2_surf->dri_buffers[__DRI_BUFFER_FRONT_LEFT] =
- dri2_dpy->dri2->allocateBuffer(dri2_dpy->dri_screen,
- __DRI_BUFFER_FRONT_LEFT, format,
- dri2_surf->base.Width, dri2_surf->base.Height);
- break;
- default:
- break;
+ dri2_surf->color_buffers[i].wl_buffer = NULL;
+ dri2_surf->color_buffers[i].dri_buffer = NULL;
+ dri2_surf->color_buffers[i].locked = 0;
}
-}
-
-static void
-dri2_release_pending_buffer(void *data,
- struct wl_callback *callback, uint32_t time)
-{
- struct dri2_egl_surface *dri2_surf = data;
- struct dri2_egl_display *dri2_dpy =
- dri2_egl_display(dri2_surf->base.Resource.Display);
-
- /* FIXME: print internal error */
- if (!dri2_surf->pending_buffer)
- return;
-
- dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen,
- dri2_surf->pending_buffer);
- dri2_surf->pending_buffer = NULL;
- wl_callback_destroy(callback);
+ for (i = 0; i < __DRI_BUFFER_COUNT; i++)
+ if (dri2_surf->dri_buffers[i] &&
+ dri2_surf->dri_buffers[i]->attachment != __DRI_BUFFER_BACK_LEFT)
+ dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen,
+ dri2_surf->dri_buffers[i]);
}
-static const struct wl_callback_listener release_buffer_listener = {
- dri2_release_pending_buffer
-};
-
-static void
-dri2_release_buffers(struct dri2_egl_surface *dri2_surf)
+static int
+get_back_bo(struct dri2_egl_surface *dri2_surf, __DRIbuffer *buffer)
{
struct dri2_egl_display *dri2_dpy =
dri2_egl_display(dri2_surf->base.Resource.Display);
- struct wl_callback *callback;
int i;
- if (dri2_surf->third_buffer) {
- dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen,
- dri2_surf->third_buffer);
- dri2_surf->third_buffer = NULL;
- }
+ /* There might be a buffer release already queued that wasn't processed */
+ wl_display_dispatch_queue_pending(dri2_dpy->wl_dpy, dri2_dpy->wl_queue);
- for (i = 0; i < __DRI_BUFFER_COUNT; ++i) {
- if (dri2_surf->dri_buffers[i]) {
- switch (i) {
- case __DRI_BUFFER_FRONT_LEFT:
- if (dri2_surf->pending_buffer)
- roundtrip(dri2_dpy);
- dri2_surf->pending_buffer = dri2_surf->dri_buffers[i];
- callback = wl_display_sync(dri2_dpy->wl_dpy);
- wl_callback_add_listener(callback,
- &release_buffer_listener, dri2_surf);
- wl_proxy_set_queue((struct wl_proxy *) callback,
- dri2_dpy->wl_queue);
- break;
- default:
- dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen,
- dri2_surf->dri_buffers[i]);
- break;
- }
- dri2_surf->dri_buffers[i] = NULL;
+ if (dri2_surf->back == NULL) {
+ for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
+ if (!dri2_surf->color_buffers[i].locked) {
+ dri2_surf->back = &dri2_surf->color_buffers[i];
+ break;
+ }
}
}
-}
-static inline void
-pointer_swap(const void **p1, const void **p2)
-{
- const void *tmp = *p1;
- *p1 = *p2;
- *p2 = tmp;
-}
-
-static void
-destroy_third_buffer(struct dri2_egl_surface *dri2_surf)
-{
- struct dri2_egl_display *dri2_dpy =
- dri2_egl_display(dri2_surf->base.Resource.Display);
-
- if (dri2_surf->third_buffer == NULL)
- return;
-
- dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen,
- dri2_surf->third_buffer);
- dri2_surf->third_buffer = NULL;
-
- if (dri2_surf->wl_drm_buffer[WL_BUFFER_THIRD])
- wl_buffer_destroy(dri2_surf->wl_drm_buffer[WL_BUFFER_THIRD]);
- dri2_surf->wl_drm_buffer[WL_BUFFER_THIRD] = NULL;
- dri2_surf->wl_buffer_lock[WL_BUFFER_THIRD] = 0;
-}
+ if (dri2_surf->back == NULL)
+ return -1;
+ if (dri2_surf->back->dri_buffer == NULL) {
+ dri2_surf->back->dri_buffer =
+ dri2_dpy->dri2->allocateBuffer(dri2_dpy->dri_screen,
+ __DRI_BUFFER_BACK_LEFT, 32,
+ dri2_surf->base.Width,
+ dri2_surf->base.Height);
+ }
+ if (dri2_surf->back->dri_buffer == NULL)
+ return -1;
-static void
-swap_wl_buffers(struct dri2_egl_surface *dri2_surf,
- enum wayland_buffer_type a, enum wayland_buffer_type b)
-{
- int tmp;
+ memcpy(buffer, dri2_surf->back->dri_buffer, sizeof *buffer);
- tmp = dri2_surf->wl_buffer_lock[a];
- dri2_surf->wl_buffer_lock[a] = dri2_surf->wl_buffer_lock[b];
- dri2_surf->wl_buffer_lock[b] = tmp;
-
- pointer_swap((const void **) &dri2_surf->wl_drm_buffer[a],
- (const void **) &dri2_surf->wl_drm_buffer[b]);
+ return 0;
}
-static void
-swap_back_and_third(struct dri2_egl_surface *dri2_surf)
+static int
+get_aux_bo(struct dri2_egl_surface *dri2_surf,
+ unsigned int attachment, unsigned int format, __DRIbuffer *buffer)
{
- if (dri2_surf->wl_buffer_lock[WL_BUFFER_THIRD])
- destroy_third_buffer(dri2_surf);
-
- pointer_swap((const void **) &dri2_surf->dri_buffers[__DRI_BUFFER_BACK_LEFT],
- (const void **) &dri2_surf->third_buffer);
-
- swap_wl_buffers(dri2_surf, WL_BUFFER_BACK, WL_BUFFER_THIRD);
-}
+ struct dri2_egl_display *dri2_dpy =
+ dri2_egl_display(dri2_surf->base.Resource.Display);
+ __DRIbuffer *b = dri2_surf->dri_buffers[attachment];
+
+ if (b == NULL) {
+ b = dri2_dpy->dri2->allocateBuffer(dri2_dpy->dri_screen,
+ attachment, format,
+ dri2_surf->base.Width,
+ dri2_surf->base.Height);
+ dri2_surf->dri_buffers[attachment] = b;
+ }
+ if (b == NULL)
+ return -1;
-static void
-dri2_prior_buffer_creation(struct dri2_egl_surface *dri2_surf,
- unsigned int type)
-{
- switch (type) {
- case __DRI_BUFFER_BACK_LEFT:
- if (dri2_surf->wl_buffer_lock[WL_BUFFER_BACK])
- swap_back_and_third(dri2_surf);
- else if (dri2_surf->third_buffer)
- destroy_third_buffer(dri2_surf);
- break;
- default:
- break;
+ memcpy(buffer, b, sizeof *buffer);
- }
+ return 0;
}
static __DRIbuffer *
@@ -418,10 +320,7 @@ dri2_get_buffers_with_format(__DRIdrawable * driDrawable,
struct dri2_egl_surface *dri2_surf = loaderPrivate;
struct dri2_egl_display *dri2_dpy =
dri2_egl_display(dri2_surf->base.Resource.Display);
- int i;
-
- /* There might be a buffer release already queued that wasn't processed */
- wl_display_dispatch_queue_pending(dri2_dpy->wl_dpy, dri2_dpy->wl_queue);
+ int i, j;
if (dri2_surf->base.Type == EGL_WINDOW_BIT &&
(dri2_surf->base.Width != dri2_surf->wl_win->width ||
@@ -433,47 +332,28 @@ dri2_get_buffers_with_format(__DRIdrawable * driDrawable,
dri2_surf->base.Height = dri2_surf->wl_win->height;
dri2_surf->dx = dri2_surf->wl_win->dx;
dri2_surf->dy = dri2_surf->wl_win->dy;
-
- for (i = 0; i < WL_BUFFER_COUNT; ++i) {
- if (dri2_surf->wl_drm_buffer[i])
- wl_buffer_destroy(dri2_surf->wl_drm_buffer[i]);
- dri2_surf->wl_drm_buffer[i] = NULL;
- dri2_surf->wl_buffer_lock[i] = 0;
- }
}
- dri2_surf->buffer_count = 0;
- for (i = 0; i < 2*count; i+=2) {
- assert(attachments[i] < __DRI_BUFFER_COUNT);
- assert(dri2_surf->buffer_count < 5);
-
- dri2_prior_buffer_creation(dri2_surf, attachments[i]);
-
- if (dri2_surf->dri_buffers[attachments[i]] == NULL) {
-
- dri2_surf->dri_buffers[attachments[i]] =
- dri2_dpy->dri2->allocateBuffer(dri2_dpy->dri_screen,
- attachments[i], attachments[i+1],
- dri2_surf->base.Width, dri2_surf->base.Height);
-
- if (!dri2_surf->dri_buffers[attachments[i]])
- continue;
-
- if (attachments[i] == __DRI_BUFFER_BACK_LEFT)
- dri2_process_back_buffer(dri2_surf, attachments[i+1]);
+ for (i = 0, j = 0; i < 2 * count; i += 2, j++) {
+ switch (attachments[i]) {
+ case __DRI_BUFFER_BACK_LEFT:
+ if (get_back_bo(dri2_surf, &dri2_surf->buffers[j]) < 0) {
+ _eglError(EGL_BAD_ALLOC, "failed to allocate color buffer");
+ return NULL;
+ }
+ break;
+ default:
+ if (get_aux_bo(dri2_surf, attachments[i], attachments[i + 1],
+ &dri2_surf->buffers[j]) < 0) {
+ _eglError(EGL_BAD_ALLOC, "failed to allocate aux buffer");
+ return NULL;
+ }
+ break;
}
-
- memcpy(&dri2_surf->buffers[dri2_surf->buffer_count],
- dri2_surf->dri_buffers[attachments[i]],
- sizeof(__DRIbuffer));
-
- dri2_surf->buffer_count++;
}
- assert(dri2_surf->dri_buffers[__DRI_BUFFER_BACK_LEFT]);
-
- *out_count = dri2_surf->buffer_count;
- if (dri2_surf->buffer_count == 0)
+ *out_count = j;
+ if (j == 0)
return NULL;
*width = dri2_surf->base.Width;
@@ -542,7 +422,7 @@ dri2_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw)
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw);
struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
- int ret = 0;
+ int i, ret = 0;
while (dri2_surf->frame_callback && ret != -1)
ret = wl_display_dispatch_queue(dri2_dpy->wl_dpy, dri2_dpy->wl_queue);
@@ -555,39 +435,39 @@ dri2_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw)
wl_proxy_set_queue((struct wl_proxy *) dri2_surf->frame_callback,
dri2_dpy->wl_queue);
- if (dri2_surf->base.Type == EGL_WINDOW_BIT) {
- pointer_swap(
- (const void **) &dri2_surf->dri_buffers[__DRI_BUFFER_FRONT_LEFT],
- (const void **) &dri2_surf->dri_buffers[__DRI_BUFFER_BACK_LEFT]);
-
- dri2_surf->dri_buffers[__DRI_BUFFER_FRONT_LEFT]->attachment =
- __DRI_BUFFER_FRONT_LEFT;
- dri2_surf->dri_buffers[__DRI_BUFFER_BACK_LEFT]->attachment =
- __DRI_BUFFER_BACK_LEFT;
-
- swap_wl_buffers(dri2_surf, WL_BUFFER_FRONT, WL_BUFFER_BACK);
+ if (dri2_surf->back->wl_buffer == NULL) {
+ dri2_surf->back->wl_buffer =
+ wl_drm_create_buffer(dri2_dpy->wl_drm,
+ dri2_surf->back->dri_buffer->name,
+ dri2_surf->base.Width,
+ dri2_surf->base.Height,
+ dri2_surf->back->dri_buffer->pitch,
+ dri2_surf->format);
+ wl_proxy_set_queue((struct wl_proxy *) dri2_surf->back->wl_buffer,
+ dri2_dpy->wl_queue);
+ wl_buffer_add_listener(dri2_surf->back->wl_buffer,
+ &wl_buffer_listener, dri2_surf);
+ }
- if (!dri2_surf->wl_drm_buffer[WL_BUFFER_FRONT])
- dri2_surf->wl_drm_buffer[WL_BUFFER_FRONT] =
- wayland_create_buffer(dri2_surf,
- dri2_surf->dri_buffers[__DRI_BUFFER_FRONT_LEFT]);
+ dri2_surf->back->locked = 1;
+ dri2_surf->current = dri2_surf->back;
+ dri2_surf->current->age = 1;
+ dri2_surf->back = NULL;
- wl_surface_attach(dri2_surf->wl_win->surface,
- dri2_surf->wl_drm_buffer[WL_BUFFER_FRONT],
- dri2_surf->dx, dri2_surf->dy);
- dri2_surf->wl_buffer_lock[WL_BUFFER_FRONT] = 1;
+ wl_surface_attach(dri2_surf->wl_win->surface,
+ dri2_surf->current->wl_buffer,
+ dri2_surf->dx, dri2_surf->dy);
- dri2_surf->wl_win->attached_width = dri2_surf->base.Width;
- dri2_surf->wl_win->attached_height = dri2_surf->base.Height;
- /* reset resize growing parameters */
- dri2_surf->dx = 0;
- dri2_surf->dy = 0;
+ dri2_surf->wl_win->attached_width = dri2_surf->base.Width;
+ dri2_surf->wl_win->attached_height = dri2_surf->base.Height;
+ /* reset resize growing parameters */
+ dri2_surf->dx = 0;
+ dri2_surf->dy = 0;
- wl_surface_damage(dri2_surf->wl_win->surface, 0, 0,
- dri2_surf->base.Width, dri2_surf->base.Height);
+ wl_surface_damage(dri2_surf->wl_win->surface, 0, 0,
+ dri2_surf->base.Width, dri2_surf->base.Height);
- wl_surface_commit(dri2_surf->wl_win->surface);
- }
+ wl_surface_commit(dri2_surf->wl_win->surface);
_EGLContext *ctx;
if (dri2_drv->glFlush) {
@@ -595,7 +475,6 @@ dri2_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw)
if (ctx && ctx->DrawSurface == &dri2_surf->base)
dri2_drv->glFlush();
}
-
(*dri2_dpy->flush->flush)(dri2_surf->dri_drawable);
(*dri2_dpy->flush->invalidate)(dri2_surf->dri_drawable);
--
1.7.10.2
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