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813e9c95fb
And make the GdkCairoContext as abstract. The idea of this and thje following commits is to get rid of all Cairo code in gdksurface.c (and $backend/gdksurface-$backend.c) by moving that code into the Cairo context files. In particular, the GdkSurfaceClass.begin_frame/end_frame() functions (which are currently exclusively used by the Cairo code should end up being moved to GdkDrawContextClass.begin/end_frame(). This has multiple benefits: 1. It unifies code between the different drawing contexts. GL lives in GLContext, Vulkan in VulkanContext and Cairo in CairoContext. In turn, this makes it way easier to reason about what's going on in surface-specific code. Currently pretty much all backends do things wrong when they want to sync to drawing or to the frame clock. 2. It makes the API of GdkSurface smaller. No drawing code (apart from creating the contexts) needs to remain. 3. It confines Cairo to the Drawcontext, thereby making it way more obvious when backends are still using it in situations where it may now conflict with OpenGL (like when doing the dnd failed animation or in the APIs that I'm removing in this branch). 4. We have 2 very different types of Cairo contexts: The X/win32 model, where we have a natively supported Cairo backend but do double buffering ourselves and use similar surfaces and the Wayland/Broadway model where we use image surfaces without any Cairo backend support and have to submit the buffers manually. By not sharing code between those 2 versions, we can make the actual code way smaller. We also get around the need to create 1x1 image surfaces in the Wayland backend where we pretend there's a native Cairo surface.
266 lines
13 KiB
C
266 lines
13 KiB
C
/* GDK - The GIMP Drawing Kit
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* Copyright (C) 2010 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __GDK_DISPLAY_PRIVATE_H__
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#define __GDK_DISPLAY_PRIVATE_H__
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#include "gdkdisplay.h"
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#include "gdksurface.h"
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#include "gdkcursor.h"
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#include "gdkmonitor.h"
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#include "gdkinternals.h"
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#ifdef GDK_RENDERING_VULKAN
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#include <vulkan/vulkan.h>
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#endif
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G_BEGIN_DECLS
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#define GDK_DISPLAY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_DISPLAY, GdkDisplayClass))
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#define GDK_IS_DISPLAY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_DISPLAY))
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#define GDK_DISPLAY_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_DISPLAY, GdkDisplayClass))
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typedef struct _GdkDisplayClass GdkDisplayClass;
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/* Tracks information about the device grab on this display */
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typedef struct
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{
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GdkSurface *surface;
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GdkSurface *native_surface;
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gulong serial_start;
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gulong serial_end; /* exclusive, i.e. not active on serial_end */
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guint event_mask;
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guint32 time;
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GdkGrabOwnership ownership;
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guint activated : 1;
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guint implicit_ungrab : 1;
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guint owner_events : 1;
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guint implicit : 1;
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} GdkDeviceGrabInfo;
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/* Tracks information about which surface and position the pointer last was in.
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* This is useful when we need to synthesize events later.
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* Note that we track toplevel_under_pointer using enter/leave events,
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* so in the case of a grab, either with owner_events==FALSE or with the
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* pointer in no clients surface the x/y coordinates may actually be outside
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* the surface.
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*/
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typedef struct
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{
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GdkSurface *surface_under_pointer; /* surface that last got a normal enter event */
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gdouble toplevel_x, toplevel_y;
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guint32 state;
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guint32 button;
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GdkDevice *last_slave;
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} GdkPointerSurfaceInfo;
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struct _GdkDisplay
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{
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GObject parent_instance;
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GList *queued_events;
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GList *queued_tail;
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guint event_pause_count; /* How many times events are blocked */
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guint closed : 1; /* Whether this display has been closed */
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GHashTable *device_grabs;
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GdkClipboard *clipboard;
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GdkClipboard *primary_clipboard;
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GHashTable *pointers_info; /* GdkPointerSurfaceInfo for each device */
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guint32 last_event_time; /* Last reported event time from server */
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guint double_click_time; /* Maximum time between clicks in msecs */
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guint double_click_distance; /* Maximum distance between clicks in pixels */
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#ifdef GDK_RENDERING_VULKAN
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VkInstance vk_instance;
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VkDebugReportCallbackEXT vk_debug_callback;
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VkPhysicalDevice vk_physical_device;
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VkDevice vk_device;
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VkQueue vk_queue;
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uint32_t vk_queue_family_index;
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guint vulkan_refcount;
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#endif /* GDK_RENDERING_VULKAN */
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guint rgba : 1;
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guint composited : 1;
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GdkDebugFlags debug_flags;
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GList *seats;
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};
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struct _GdkDisplayClass
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{
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GObjectClass parent_class;
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GType surface_type; /* type for native surfaces for this display, set in class_init */
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GType cairo_context_type; /* type for GdkCairoContext, must be set */
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GType vk_context_type; /* type for GdkVulkanContext, must be set if vk_extension_name != NULL */
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const char *vk_extension_name; /* Name of required windowing vulkan extension or %NULL (default) if Vulkan isn't supported */
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const gchar * (*get_name) (GdkDisplay *display);
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void (*beep) (GdkDisplay *display);
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void (*sync) (GdkDisplay *display);
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void (*flush) (GdkDisplay *display);
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gboolean (*has_pending) (GdkDisplay *display);
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void (*queue_events) (GdkDisplay *display);
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void (*make_default) (GdkDisplay *display);
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GdkSurface * (*get_default_group) (GdkDisplay *display);
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gboolean (*supports_shapes) (GdkDisplay *display);
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gboolean (*supports_input_shapes) (GdkDisplay *display);
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GdkAppLaunchContext * (*get_app_launch_context) (GdkDisplay *display);
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gulong (*get_next_serial) (GdkDisplay *display);
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void (*notify_startup_complete) (GdkDisplay *display,
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const gchar *startup_id);
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void (*event_data_copy) (GdkDisplay *display,
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const GdkEvent *event,
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GdkEvent *new_event);
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void (*event_data_free) (GdkDisplay *display,
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GdkEvent *event);
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void (*create_surface_impl) (GdkDisplay *display,
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GdkSurface *surface,
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GdkSurface *real_parent,
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GdkEventMask event_mask,
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GdkSurfaceAttr *attributes);
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GdkKeymap * (*get_keymap) (GdkDisplay *display);
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gint (*text_property_to_utf8_list) (GdkDisplay *display,
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GdkAtom encoding,
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gint format,
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const guchar *text,
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gint length,
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gchar ***list);
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gchar * (*utf8_to_string_target) (GdkDisplay *display,
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const gchar *text);
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gboolean (*make_gl_context_current) (GdkDisplay *display,
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GdkGLContext *context);
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GdkSeat * (*get_default_seat) (GdkDisplay *display);
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int (*get_n_monitors) (GdkDisplay *display);
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GdkMonitor * (*get_monitor) (GdkDisplay *display,
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int index);
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GdkMonitor * (*get_primary_monitor) (GdkDisplay *display);
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GdkMonitor * (*get_monitor_at_surface) (GdkDisplay *display,
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GdkSurface *surface);
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gboolean (*get_setting) (GdkDisplay *display,
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const char *name,
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GValue *value);
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guint32 (*get_last_seen_time) (GdkDisplay *display);
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void (*set_cursor_theme) (GdkDisplay *display,
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const char *name,
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int size);
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/* Signals */
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void (*opened) (GdkDisplay *display);
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void (*closed) (GdkDisplay *display,
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gboolean is_error);
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};
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typedef void (* GdkDisplayPointerInfoForeach) (GdkDisplay *display,
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GdkDevice *device,
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GdkPointerSurfaceInfo *device_info,
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gpointer user_data);
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void _gdk_display_update_last_event (GdkDisplay *display,
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const GdkEvent *event);
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void _gdk_display_device_grab_update (GdkDisplay *display,
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GdkDevice *device,
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GdkDevice *source_device,
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gulong current_serial);
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GdkDeviceGrabInfo * _gdk_display_get_last_device_grab (GdkDisplay *display,
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GdkDevice *device);
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GdkDeviceGrabInfo * _gdk_display_add_device_grab (GdkDisplay *display,
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GdkDevice *device,
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GdkSurface *surface,
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GdkSurface *native_surface,
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GdkGrabOwnership grab_ownership,
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gboolean owner_events,
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GdkEventMask event_mask,
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gulong serial_start,
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guint32 time,
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gboolean implicit);
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GdkDeviceGrabInfo * _gdk_display_has_device_grab (GdkDisplay *display,
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GdkDevice *device,
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gulong serial);
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gboolean _gdk_display_end_device_grab (GdkDisplay *display,
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GdkDevice *device,
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gulong serial,
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GdkSurface *if_child,
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gboolean implicit);
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gboolean _gdk_display_check_grab_ownership (GdkDisplay *display,
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GdkDevice *device,
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gulong serial);
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GdkPointerSurfaceInfo * _gdk_display_get_pointer_info (GdkDisplay *display,
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GdkDevice *device);
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void _gdk_display_pointer_info_foreach (GdkDisplay *display,
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GdkDisplayPointerInfoForeach func,
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gpointer user_data);
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gulong _gdk_display_get_next_serial (GdkDisplay *display);
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void _gdk_display_pause_events (GdkDisplay *display);
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void _gdk_display_unpause_events (GdkDisplay *display);
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void _gdk_display_event_data_copy (GdkDisplay *display,
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const GdkEvent *event,
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GdkEvent *new_event);
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void _gdk_display_event_data_free (GdkDisplay *display,
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GdkEvent *event);
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void _gdk_display_create_surface_impl (GdkDisplay *display,
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GdkSurface *surface,
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GdkSurface *real_parent,
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GdkEventMask event_mask,
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GdkSurfaceAttr *attributes);
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GdkSurface * _gdk_display_create_surface (GdkDisplay *display);
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gboolean gdk_display_make_gl_context_current (GdkDisplay *display,
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GdkGLContext *context);
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void gdk_display_set_rgba (GdkDisplay *display,
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gboolean rgba);
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void gdk_display_set_composited (GdkDisplay *display,
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gboolean composited);
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void gdk_display_add_seat (GdkDisplay *display,
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GdkSeat *seat);
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void gdk_display_remove_seat (GdkDisplay *display,
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GdkSeat *seat);
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void gdk_display_monitor_added (GdkDisplay *display,
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GdkMonitor *monitor);
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void gdk_display_monitor_removed (GdkDisplay *display,
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GdkMonitor *monitor);
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void gdk_display_emit_opened (GdkDisplay *display);
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void gdk_display_setting_changed (GdkDisplay *display,
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const char *name);
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G_END_DECLS
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#endif /* __GDK_DISPLAY_PRIVATE_H__ */
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