mirror of
https://github.com/brl/mutter.git
synced 2024-12-28 05:42:14 +00:00
87965b5ce2
Add support for a cogl function to set the damage_region on an onscreen framebuffer. The goal of this is to enable using the EGL_KHR_partial_update extension which can potentially reduce memory bandwidth usage by some GPUs, particularly on embedded GPUs that operate on a tiling rendering model. Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2023>
593 lines
18 KiB
C
593 lines
18 KiB
C
/*
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* Cogl
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*
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* A Low Level GPU Graphics and Utilities API
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*
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* Copyright (C) 2011, 2013 Intel Corporation.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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*
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*/
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#include "cogl-config.h"
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#include <gio/gio.h>
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#include "cogl-util.h"
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#include "cogl-onscreen-private.h"
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#include "cogl-frame-info-private.h"
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#include "cogl-framebuffer-private.h"
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#include "cogl-onscreen-template-private.h"
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#include "cogl-context-private.h"
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#include "cogl-object-private.h"
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#include "cogl1-context.h"
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#include "cogl-closure-list-private.h"
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#include "cogl-poll-private.h"
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#include "cogl-gtype-private.h"
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typedef struct _CoglOnscreenPrivate
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{
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CoglList frame_closures;
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CoglList dirty_closures;
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int64_t frame_counter;
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int64_t swap_frame_counter; /* frame counter at last all to
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* cogl_onscreen_swap_region() or
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* cogl_onscreen_swap_buffers() */
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GQueue pending_frame_infos;
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} CoglOnscreenPrivate;
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G_DEFINE_TYPE_WITH_PRIVATE (CoglOnscreen, cogl_onscreen, COGL_TYPE_FRAMEBUFFER)
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static gpointer
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cogl_dummy_copy (gpointer data)
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{
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return data;
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}
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static void
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cogl_dummy_free (gpointer data)
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{
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}
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COGL_GTYPE_DEFINE_BOXED (FrameClosure, frame_closure,
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cogl_dummy_copy,
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cogl_dummy_free);
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COGL_GTYPE_DEFINE_BOXED (OnscreenDirtyClosure,
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onscreen_dirty_closure,
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cogl_dummy_copy,
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cogl_dummy_free);
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G_DEFINE_QUARK (cogl-scanout-error-quark, cogl_scanout_error)
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static gboolean
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cogl_onscreen_allocate (CoglFramebuffer *framebuffer,
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GError **error)
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{
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CoglOnscreen *onscreen = COGL_ONSCREEN (framebuffer);
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CoglContext *ctx = cogl_framebuffer_get_context (framebuffer);
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/* If the winsys doesn't support dirty events then we'll report
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* one on allocation so that if the application only paints in
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* response to dirty events then it will at least paint once to
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* start */
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if (!_cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_DIRTY_EVENTS))
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_cogl_onscreen_queue_full_dirty (onscreen);
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return TRUE;
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}
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static gboolean
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cogl_onscreen_is_y_flipped (CoglFramebuffer *framebuffer)
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{
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return FALSE;
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}
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static void
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cogl_onscreen_init_from_template (CoglOnscreen *onscreen,
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CoglOnscreenTemplate *onscreen_template)
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{
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CoglOnscreenPrivate *priv = cogl_onscreen_get_instance_private (onscreen);
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CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen);
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_cogl_list_init (&priv->frame_closures);
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_cogl_list_init (&priv->dirty_closures);
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cogl_framebuffer_init_config (framebuffer, &onscreen_template->config);
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}
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static void
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cogl_onscreen_constructed (GObject *object)
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{
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CoglOnscreen *onscreen = COGL_ONSCREEN (object);
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CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen);
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CoglContext *ctx = cogl_framebuffer_get_context (framebuffer);
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CoglOnscreenTemplate *onscreen_template;
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onscreen_template = ctx->display->onscreen_template;
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cogl_onscreen_init_from_template (onscreen, onscreen_template);
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G_OBJECT_CLASS (cogl_onscreen_parent_class)->constructed (object);
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}
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static void
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cogl_onscreen_dispose (GObject *object)
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{
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CoglOnscreen *onscreen = COGL_ONSCREEN (object);
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CoglOnscreenPrivate *priv = cogl_onscreen_get_instance_private (onscreen);
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CoglFrameInfo *frame_info;
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_cogl_closure_list_disconnect_all (&priv->frame_closures);
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_cogl_closure_list_disconnect_all (&priv->dirty_closures);
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while ((frame_info = g_queue_pop_tail (&priv->pending_frame_infos)))
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cogl_object_unref (frame_info);
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g_queue_clear (&priv->pending_frame_infos);
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G_OBJECT_CLASS (cogl_onscreen_parent_class)->dispose (object);
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}
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static void
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cogl_onscreen_init (CoglOnscreen *onscreen)
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{
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}
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static void
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cogl_onscreen_class_init (CoglOnscreenClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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CoglFramebufferClass *framebuffer_class = COGL_FRAMEBUFFER_CLASS (klass);
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object_class->constructed = cogl_onscreen_constructed;
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object_class->dispose = cogl_onscreen_dispose;
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framebuffer_class->allocate = cogl_onscreen_allocate;
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framebuffer_class->is_y_flipped = cogl_onscreen_is_y_flipped;
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}
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static void
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notify_event (CoglOnscreen *onscreen,
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CoglFrameEvent event,
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CoglFrameInfo *info)
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{
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CoglOnscreenPrivate *priv = cogl_onscreen_get_instance_private (onscreen);
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_cogl_closure_list_invoke (&priv->frame_closures,
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CoglFrameCallback,
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onscreen, event, info);
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}
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static void
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_cogl_dispatch_onscreen_cb (CoglContext *context)
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{
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CoglOnscreenEvent *event, *tmp;
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CoglList queue;
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/* Dispatching the event callback may cause another frame to be
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* drawn which in may cause another event to be queued immediately.
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* To make sure this loop will only dispatch one set of events we'll
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* steal the queue and iterate that separately */
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_cogl_list_init (&queue);
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_cogl_list_insert_list (&queue, &context->onscreen_events_queue);
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_cogl_list_init (&context->onscreen_events_queue);
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g_clear_pointer (&context->onscreen_dispatch_idle,
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_cogl_closure_disconnect);
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_cogl_list_for_each_safe (event, tmp, &queue, link)
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{
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CoglOnscreen *onscreen = event->onscreen;
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CoglFrameInfo *info = event->info;
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notify_event (onscreen, event->type, info);
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g_object_unref (onscreen);
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cogl_object_unref (info);
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g_free (event);
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}
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while (!_cogl_list_empty (&context->onscreen_dirty_queue))
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{
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CoglOnscreenQueuedDirty *qe =
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_cogl_container_of (context->onscreen_dirty_queue.next,
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CoglOnscreenQueuedDirty,
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link);
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CoglOnscreen *onscreen = qe->onscreen;
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CoglOnscreenPrivate *priv = cogl_onscreen_get_instance_private (onscreen);
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_cogl_list_remove (&qe->link);
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_cogl_closure_list_invoke (&priv->dirty_closures,
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CoglOnscreenDirtyCallback,
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qe->onscreen,
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&qe->info);
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g_object_unref (qe->onscreen);
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g_free (qe);
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}
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}
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static void
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_cogl_onscreen_queue_dispatch_idle (CoglOnscreen *onscreen)
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{
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CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen);
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CoglContext *ctx = cogl_framebuffer_get_context (framebuffer);
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if (!ctx->onscreen_dispatch_idle)
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{
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ctx->onscreen_dispatch_idle =
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_cogl_poll_renderer_add_idle (ctx->display->renderer,
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(CoglIdleCallback)
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_cogl_dispatch_onscreen_cb,
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ctx,
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NULL);
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}
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}
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void
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_cogl_onscreen_queue_dirty (CoglOnscreen *onscreen,
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const CoglOnscreenDirtyInfo *info)
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{
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CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen);
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CoglContext *ctx = cogl_framebuffer_get_context (framebuffer);
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CoglOnscreenQueuedDirty *qe = g_new0 (CoglOnscreenQueuedDirty, 1);
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qe->onscreen = g_object_ref (onscreen);
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qe->info = *info;
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_cogl_list_insert (ctx->onscreen_dirty_queue.prev, &qe->link);
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_cogl_onscreen_queue_dispatch_idle (onscreen);
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}
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void
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_cogl_onscreen_queue_full_dirty (CoglOnscreen *onscreen)
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{
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CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen);
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CoglOnscreenDirtyInfo info;
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info.x = 0;
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info.y = 0;
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info.width = cogl_framebuffer_get_width (framebuffer);
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info.height = cogl_framebuffer_get_height (framebuffer);
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_cogl_onscreen_queue_dirty (onscreen, &info);
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}
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void
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_cogl_onscreen_queue_event (CoglOnscreen *onscreen,
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CoglFrameEvent type,
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CoglFrameInfo *info)
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{
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CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen);
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CoglContext *ctx = cogl_framebuffer_get_context (framebuffer);
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CoglOnscreenEvent *event = g_new0 (CoglOnscreenEvent, 1);
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event->onscreen = g_object_ref (onscreen);
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event->info = cogl_object_ref (info);
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event->type = type;
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_cogl_list_insert (ctx->onscreen_events_queue.prev, &event->link);
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_cogl_onscreen_queue_dispatch_idle (onscreen);
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}
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void
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cogl_onscreen_bind (CoglOnscreen *onscreen)
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{
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COGL_ONSCREEN_GET_CLASS (onscreen)->bind (onscreen);
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}
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void
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cogl_onscreen_queue_damage_region (CoglOnscreen *onscreen,
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const int *rectangles,
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int n_rectangles)
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{
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CoglOnscreenClass *klass = COGL_ONSCREEN_GET_CLASS (onscreen);
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if (!klass->queue_damage_region)
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return;
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klass->queue_damage_region (onscreen, rectangles, n_rectangles);
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}
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void
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cogl_onscreen_swap_buffers_with_damage (CoglOnscreen *onscreen,
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const int *rectangles,
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int n_rectangles,
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CoglFrameInfo *info,
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gpointer user_data)
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{
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CoglOnscreenPrivate *priv = cogl_onscreen_get_instance_private (onscreen);
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CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen);
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CoglOnscreenClass *klass = COGL_ONSCREEN_GET_CLASS (onscreen);
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g_return_if_fail (COGL_IS_ONSCREEN (framebuffer));
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info->frame_counter = priv->frame_counter;
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g_queue_push_tail (&priv->pending_frame_infos, info);
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_cogl_framebuffer_flush_journal (framebuffer);
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if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_SYNC_FRAME)))
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cogl_framebuffer_finish (framebuffer);
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klass->swap_buffers_with_damage (onscreen,
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rectangles,
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n_rectangles,
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info,
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user_data);
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cogl_framebuffer_discard_buffers (framebuffer,
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COGL_BUFFER_BIT_COLOR |
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COGL_BUFFER_BIT_DEPTH |
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COGL_BUFFER_BIT_STENCIL);
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if (!_cogl_winsys_has_feature (COGL_WINSYS_FEATURE_SYNC_AND_COMPLETE_EVENT))
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{
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CoglFrameInfo *info;
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g_warn_if_fail (priv->pending_frame_infos.length == 1);
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info = g_queue_pop_tail (&priv->pending_frame_infos);
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_cogl_onscreen_queue_event (onscreen, COGL_FRAME_EVENT_SYNC, info);
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_cogl_onscreen_queue_event (onscreen, COGL_FRAME_EVENT_COMPLETE, info);
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cogl_object_unref (info);
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}
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priv->frame_counter++;
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}
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void
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cogl_onscreen_swap_buffers (CoglOnscreen *onscreen,
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CoglFrameInfo *info,
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gpointer user_data)
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{
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cogl_onscreen_swap_buffers_with_damage (onscreen, NULL, 0, info, user_data);
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}
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void
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cogl_onscreen_swap_region (CoglOnscreen *onscreen,
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const int *rectangles,
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int n_rectangles,
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CoglFrameInfo *info,
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gpointer user_data)
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{
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CoglOnscreenPrivate *priv = cogl_onscreen_get_instance_private (onscreen);
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CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen);
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CoglOnscreenClass *klass = COGL_ONSCREEN_GET_CLASS (onscreen);
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g_return_if_fail (COGL_IS_ONSCREEN (framebuffer));
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info->frame_counter = priv->frame_counter;
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g_queue_push_tail (&priv->pending_frame_infos, info);
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_cogl_framebuffer_flush_journal (framebuffer);
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if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_SYNC_FRAME)))
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cogl_framebuffer_finish (framebuffer);
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/* This should only be called if the winsys advertises
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COGL_WINSYS_FEATURE_SWAP_REGION */
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g_return_if_fail (klass->swap_region);
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klass->swap_region (onscreen,
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rectangles,
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n_rectangles,
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info,
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user_data);
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cogl_framebuffer_discard_buffers (framebuffer,
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COGL_BUFFER_BIT_COLOR |
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COGL_BUFFER_BIT_DEPTH |
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COGL_BUFFER_BIT_STENCIL);
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if (!_cogl_winsys_has_feature (COGL_WINSYS_FEATURE_SYNC_AND_COMPLETE_EVENT))
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{
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CoglFrameInfo *info;
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g_warn_if_fail (priv->pending_frame_infos.length == 1);
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info = g_queue_pop_tail (&priv->pending_frame_infos);
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_cogl_onscreen_queue_event (onscreen, COGL_FRAME_EVENT_SYNC, info);
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_cogl_onscreen_queue_event (onscreen, COGL_FRAME_EVENT_COMPLETE, info);
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cogl_object_unref (info);
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}
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priv->frame_counter++;
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}
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int
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cogl_onscreen_get_buffer_age (CoglOnscreen *onscreen)
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{
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CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen);
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CoglOnscreenClass *klass = COGL_ONSCREEN_GET_CLASS (onscreen);
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g_return_val_if_fail (COGL_IS_ONSCREEN (framebuffer), 0);
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if (!klass->get_buffer_age)
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return 0;
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return klass->get_buffer_age (onscreen);
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}
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gboolean
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cogl_onscreen_direct_scanout (CoglOnscreen *onscreen,
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CoglScanout *scanout,
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CoglFrameInfo *info,
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gpointer user_data,
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GError **error)
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{
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CoglOnscreenPrivate *priv = cogl_onscreen_get_instance_private (onscreen);
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CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen);
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CoglOnscreenClass *klass = COGL_ONSCREEN_GET_CLASS (onscreen);
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g_warn_if_fail (COGL_IS_ONSCREEN (framebuffer));
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g_warn_if_fail (_cogl_winsys_has_feature (COGL_WINSYS_FEATURE_SYNC_AND_COMPLETE_EVENT));
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if (!klass->direct_scanout)
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{
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g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
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"Direct scanout not supported");
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return FALSE;
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}
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info->frame_counter = priv->frame_counter;
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g_queue_push_tail (&priv->pending_frame_infos, info);
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if (!klass->direct_scanout (onscreen,
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scanout,
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info,
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user_data,
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error))
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{
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g_queue_pop_tail (&priv->pending_frame_infos);
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return FALSE;
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}
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info->flags |= COGL_FRAME_INFO_FLAG_ZERO_COPY;
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priv->frame_counter++;
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return TRUE;
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}
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void
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cogl_onscreen_add_frame_info (CoglOnscreen *onscreen,
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CoglFrameInfo *info)
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{
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CoglOnscreenPrivate *priv = cogl_onscreen_get_instance_private (onscreen);
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info->frame_counter = priv->frame_counter;
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g_queue_push_tail (&priv->pending_frame_infos, info);
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}
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CoglFrameInfo *
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cogl_onscreen_peek_head_frame_info (CoglOnscreen *onscreen)
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{
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CoglOnscreenPrivate *priv = cogl_onscreen_get_instance_private (onscreen);
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return g_queue_peek_head (&priv->pending_frame_infos);
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}
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|
|
|
CoglFrameInfo *
|
|
cogl_onscreen_peek_tail_frame_info (CoglOnscreen *onscreen)
|
|
{
|
|
CoglOnscreenPrivate *priv = cogl_onscreen_get_instance_private (onscreen);
|
|
|
|
return g_queue_peek_tail (&priv->pending_frame_infos);
|
|
}
|
|
|
|
CoglFrameInfo *
|
|
cogl_onscreen_pop_head_frame_info (CoglOnscreen *onscreen)
|
|
{
|
|
CoglOnscreenPrivate *priv = cogl_onscreen_get_instance_private (onscreen);
|
|
|
|
return g_queue_pop_head (&priv->pending_frame_infos);
|
|
}
|
|
|
|
CoglFrameClosure *
|
|
cogl_onscreen_add_frame_callback (CoglOnscreen *onscreen,
|
|
CoglFrameCallback callback,
|
|
void *user_data,
|
|
CoglUserDataDestroyCallback destroy)
|
|
{
|
|
CoglOnscreenPrivate *priv = cogl_onscreen_get_instance_private (onscreen);
|
|
|
|
return _cogl_closure_list_add (&priv->frame_closures,
|
|
callback,
|
|
user_data,
|
|
destroy);
|
|
}
|
|
|
|
void
|
|
cogl_onscreen_remove_frame_callback (CoglOnscreen *onscreen,
|
|
CoglFrameClosure *closure)
|
|
{
|
|
g_return_if_fail (closure);
|
|
|
|
_cogl_closure_disconnect (closure);
|
|
}
|
|
|
|
void
|
|
_cogl_onscreen_notify_frame_sync (CoglOnscreen *onscreen, CoglFrameInfo *info)
|
|
{
|
|
notify_event (onscreen, COGL_FRAME_EVENT_SYNC, info);
|
|
}
|
|
|
|
void
|
|
_cogl_onscreen_notify_complete (CoglOnscreen *onscreen, CoglFrameInfo *info)
|
|
{
|
|
notify_event (onscreen, COGL_FRAME_EVENT_COMPLETE, info);
|
|
}
|
|
|
|
void
|
|
_cogl_framebuffer_winsys_update_size (CoglFramebuffer *framebuffer,
|
|
int width, int height)
|
|
{
|
|
if (cogl_framebuffer_get_width (framebuffer) == width &&
|
|
cogl_framebuffer_get_height (framebuffer) == height)
|
|
return;
|
|
|
|
cogl_framebuffer_update_size (framebuffer, width, height);
|
|
|
|
if (!_cogl_has_private_feature (cogl_framebuffer_get_context (framebuffer),
|
|
COGL_PRIVATE_FEATURE_DIRTY_EVENTS))
|
|
_cogl_onscreen_queue_full_dirty (COGL_ONSCREEN (framebuffer));
|
|
}
|
|
|
|
CoglOnscreenDirtyClosure *
|
|
cogl_onscreen_add_dirty_callback (CoglOnscreen *onscreen,
|
|
CoglOnscreenDirtyCallback callback,
|
|
void *user_data,
|
|
CoglUserDataDestroyCallback destroy)
|
|
{
|
|
CoglOnscreenPrivate *priv = cogl_onscreen_get_instance_private (onscreen);
|
|
|
|
return _cogl_closure_list_add (&priv->dirty_closures,
|
|
callback,
|
|
user_data,
|
|
destroy);
|
|
}
|
|
|
|
void
|
|
cogl_onscreen_remove_dirty_callback (CoglOnscreen *onscreen,
|
|
CoglOnscreenDirtyClosure *closure)
|
|
{
|
|
g_return_if_fail (closure);
|
|
|
|
_cogl_closure_disconnect (closure);
|
|
}
|
|
|
|
int64_t
|
|
cogl_onscreen_get_frame_counter (CoglOnscreen *onscreen)
|
|
{
|
|
CoglOnscreenPrivate *priv = cogl_onscreen_get_instance_private (onscreen);
|
|
|
|
return priv->frame_counter;
|
|
}
|