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gtk2/gsk/gskcairorenderer.c

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Initial implementation of GSK rendering pipeline GSK is conceptually split into two scene graphs: * a simple rendering tree of operations * a complex set of logical layers The latter is built on the former, and adds convenience and high level API for application developers. The lower layer, though, is what gets transformed into the rendering pipeline, as it's simple and thus can be transformed into appropriate rendering commands with minimal state changes. The lower layer is also suitable for reuse from more complex higher layers, like the CSS machinery in GTK, without necessarily port those layers to the GSK high level API. This lower layer is based on GskRenderNode instances, which represent the tree of rendering operations; and a GskRenderer instance, which takes the render nodes and submits them (after potentially reordering and transforming them to a more appropriate representation) to the underlying graphic system.
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#include "config.h"
#include "gskcairorendererprivate.h"
#include "gskdebugprivate.h"
#include "gskrendererprivate.h"
#include "gskrendernodeprivate.h"
GskTexture => GdkTexture We want this thing to replace GdkPixbuf, so it has to live in GDK.
2017-11-02 20:39:00 +00:00
#include "gdk/gdktextureprivate.h"
Initial implementation of GSK rendering pipeline GSK is conceptually split into two scene graphs: * a simple rendering tree of operations * a complex set of logical layers The latter is built on the former, and adds convenience and high level API for application developers. The lower layer, though, is what gets transformed into the rendering pipeline, as it's simple and thus can be transformed into appropriate rendering commands with minimal state changes. The lower layer is also suitable for reuse from more complex higher layers, like the CSS machinery in GTK, without necessarily port those layers to the GSK high level API. This lower layer is based on GskRenderNode instances, which represent the tree of rendering operations; and a GskRenderer instance, which takes the render nodes and submits them (after potentially reordering and transforming them to a more appropriate representation) to the underlying graphic system.
2016-03-17 13:48:19 +00:00
cairorenderer: Record cpu time in the profiler
2016-11-20 04:28:52 +00:00
#ifdef G_ENABLE_DEBUG
typedef struct {
GQuark cpu_time;
GQuark gpu_time;
} ProfileTimers;
#endif
Initial implementation of GSK rendering pipeline GSK is conceptually split into two scene graphs: * a simple rendering tree of operations * a complex set of logical layers The latter is built on the former, and adds convenience and high level API for application developers. The lower layer, though, is what gets transformed into the rendering pipeline, as it's simple and thus can be transformed into appropriate rendering commands with minimal state changes. The lower layer is also suitable for reuse from more complex higher layers, like the CSS machinery in GTK, without necessarily port those layers to the GSK high level API. This lower layer is based on GskRenderNode instances, which represent the tree of rendering operations; and a GskRenderer instance, which takes the render nodes and submits them (after potentially reordering and transforming them to a more appropriate representation) to the underlying graphic system.
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struct _GskCairoRenderer
{
GskRenderer parent_instance;
cairorenderer: Record cpu time in the profiler
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#ifdef G_ENABLE_DEBUG
ProfileTimers profile_timers;
#endif
Initial implementation of GSK rendering pipeline GSK is conceptually split into two scene graphs: * a simple rendering tree of operations * a complex set of logical layers The latter is built on the former, and adds convenience and high level API for application developers. The lower layer, though, is what gets transformed into the rendering pipeline, as it's simple and thus can be transformed into appropriate rendering commands with minimal state changes. The lower layer is also suitable for reuse from more complex higher layers, like the CSS machinery in GTK, without necessarily port those layers to the GSK high level API. This lower layer is based on GskRenderNode instances, which represent the tree of rendering operations; and a GskRenderer instance, which takes the render nodes and submits them (after potentially reordering and transforming them to a more appropriate representation) to the underlying graphic system.
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};
struct _GskCairoRendererClass
{
GskRendererClass parent_class;
};
G_DEFINE_TYPE (GskCairoRenderer, gsk_cairo_renderer, GSK_TYPE_RENDERER)
static gboolean
gskrenderer: Add GError argument to gsk_renderer_realize() This way, we don't spam criticals when GL is not available. Instead, we print a useful debug message to stderr and continue with the Cairo renderer. Signed-off-by: Emmanuele Bassi <ebassi@gnome.org>
2016-11-29 03:51:07 +00:00
gsk_cairo_renderer_realize (GskRenderer *renderer,
GdkWindow -> GdkSurface initial type rename This renames the GdkWindow class and related classes (impl, backend subclasses) to surface. Additionally it renames related types: GdkWindowAttr, GdkWindowPaint, GdkWindowWindowClass, GdkWindowType, GdkWindowTypeHint, GdkWindowHints, GdkWindowState, GdkWindowEdge This is an automatic conversion using the below commands: git sed -f g GdkWindowWindowClass GdkSurfaceSurfaceClass git sed -f g GdkWindow GdkSurface git sed -f g "gdk_window\([ _\(\),;]\|$\)" "gdk_surface\1" # Avoid hitting gdk_windowing git sed -f g "GDK_WINDOW\([ _\(]\|$\)" "GDK_SURFACE\1" # Avoid hitting GDK_WINDOWING git sed "GDK_\([A-Z]*\)IS_WINDOW\([_ (]\|$\)" "GDK_\1IS_SURFACE\2" git sed GDK_TYPE_WINDOW GDK_TYPE_SURFACE git sed -f g GdkPointerWindowInfo GdkPointerSurfaceInfo git sed -f g "BROADWAY_WINDOW" "BROADWAY_SURFACE" git sed -f g "broadway_window" "broadway_surface" git sed -f g "BroadwayWindow" "BroadwaySurface" git sed -f g "WAYLAND_WINDOW" "WAYLAND_SURFACE" git sed -f g "wayland_window" "wayland_surface" git sed -f g "WaylandWindow" "WaylandSurface" git sed -f g "X11_WINDOW" "X11_SURFACE" git sed -f g "x11_window" "x11_surface" git sed -f g "X11Window" "X11Surface" git sed -f g "WIN32_WINDOW" "WIN32_SURFACE" git sed -f g "win32_window" "win32_surface" git sed -f g "Win32Window" "Win32Surface" git sed -f g "QUARTZ_WINDOW" "QUARTZ_SURFACE" git sed -f g "quartz_window" "quartz_surface" git sed -f g "QuartzWindow" "QuartzSurface" git checkout NEWS* po-properties
2018-03-20 10:40:08 +00:00
GdkSurface *window,
gskrenderer: Add GError argument to gsk_renderer_realize() This way, we don't spam criticals when GL is not available. Instead, we print a useful debug message to stderr and continue with the Cairo renderer. Signed-off-by: Emmanuele Bassi <ebassi@gnome.org>
2016-11-29 03:51:07 +00:00
GError **error)
Initial implementation of GSK rendering pipeline GSK is conceptually split into two scene graphs: * a simple rendering tree of operations * a complex set of logical layers The latter is built on the former, and adds convenience and high level API for application developers. The lower layer, though, is what gets transformed into the rendering pipeline, as it's simple and thus can be transformed into appropriate rendering commands with minimal state changes. The lower layer is also suitable for reuse from more complex higher layers, like the CSS machinery in GTK, without necessarily port those layers to the GSK high level API. This lower layer is based on GskRenderNode instances, which represent the tree of rendering operations; and a GskRenderer instance, which takes the render nodes and submits them (after potentially reordering and transforming them to a more appropriate representation) to the underlying graphic system.
2016-03-17 13:48:19 +00:00
{
return TRUE;
}
static void
gsk_cairo_renderer_unrealize (GskRenderer *renderer)
{
}
static void
gsk: Add gsk_renderer_render_texture() ... and implement it for the Cairo renderer. It's an API that instructs a renderer to render to a texture. So far this is mostly meant to be used for testing, but I could imagine it being useful for rendering DND icons.
2016-12-21 19:23:46 +00:00
gsk_cairo_renderer_do_render (GskRenderer *renderer,
cairo_t *cr,
GskRenderNode *root)
Initial implementation of GSK rendering pipeline GSK is conceptually split into two scene graphs: * a simple rendering tree of operations * a complex set of logical layers The latter is built on the former, and adds convenience and high level API for application developers. The lower layer, though, is what gets transformed into the rendering pipeline, as it's simple and thus can be transformed into appropriate rendering commands with minimal state changes. The lower layer is also suitable for reuse from more complex higher layers, like the CSS machinery in GTK, without necessarily port those layers to the GSK high level API. This lower layer is based on GskRenderNode instances, which represent the tree of rendering operations; and a GskRenderer instance, which takes the render nodes and submits them (after potentially reordering and transforming them to a more appropriate representation) to the underlying graphic system.
2016-03-17 13:48:19 +00:00
{
cairorenderer: Record cpu time in the profiler
2016-11-20 04:28:52 +00:00
#ifdef G_ENABLE_DEBUG
gsk: Add gsk_renderer_render_texture() ... and implement it for the Cairo renderer. It's an API that instructs a renderer to render to a texture. So far this is mostly meant to be used for testing, but I could imagine it being useful for rendering DND icons.
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GskCairoRenderer *self = GSK_CAIRO_RENDERER (renderer);
cairorenderer: Record cpu time in the profiler
2016-11-20 04:28:52 +00:00
GskProfiler *profiler;
gint64 cpu_time;
#endif
gsk: Add gsk_renderer_render_texture() ... and implement it for the Cairo renderer. It's an API that instructs a renderer to render to a texture. So far this is mostly meant to be used for testing, but I could imagine it being useful for rendering DND icons.
2016-12-21 19:23:46 +00:00
#ifdef G_ENABLE_DEBUG
profiler = gsk_renderer_get_profiler (renderer);
gsk_profiler_timer_begin (profiler, self->profile_timers.cpu_time);
#endif
gsk_render_node_draw (root, cr);
#ifdef G_ENABLE_DEBUG
cpu_time = gsk_profiler_timer_end (profiler, self->profile_timers.cpu_time);
gsk_profiler_timer_set (profiler, self->profile_timers.cpu_time, cpu_time);
gsk_profiler_push_samples (profiler);
#endif
}
GskTexture => GdkTexture We want this thing to replace GdkPixbuf, so it has to live in GDK.
2017-11-02 20:39:00 +00:00
static GdkTexture *
gsk: Add gsk_renderer_render_texture() ... and implement it for the Cairo renderer. It's an API that instructs a renderer to render to a texture. So far this is mostly meant to be used for testing, but I could imagine it being useful for rendering DND icons.
2016-12-21 19:23:46 +00:00
gsk_cairo_renderer_render_texture (GskRenderer *renderer,
GskRenderNode *root,
const graphene_rect_t *viewport)
{
GskTexture => GdkTexture We want this thing to replace GdkPixbuf, so it has to live in GDK.
2017-11-02 20:39:00 +00:00
GdkTexture *texture;
gsk: Add gsk_renderer_render_texture() ... and implement it for the Cairo renderer. It's an API that instructs a renderer to render to a texture. So far this is mostly meant to be used for testing, but I could imagine it being useful for rendering DND icons.
2016-12-21 19:23:46 +00:00
cairo_surface_t *surface;
cairo_t *cr;
surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, ceil (viewport->size.width), ceil (viewport->size.height));
cr = cairo_create (surface);
cairo_translate (cr, - viewport->origin.x, - viewport->origin.y);
gsk_cairo_renderer_do_render (renderer, cr, root);
cairo_destroy (cr);
GskTexture => GdkTexture We want this thing to replace GdkPixbuf, so it has to live in GDK.
2017-11-02 20:39:00 +00:00
texture = gdk_texture_new_for_surface (surface);
gsk: Add gsk_renderer_render_texture() ... and implement it for the Cairo renderer. It's an API that instructs a renderer to render to a texture. So far this is mostly meant to be used for testing, but I could imagine it being useful for rendering DND icons.
2016-12-21 19:23:46 +00:00
cairo_surface_destroy (surface);
return texture;
}
static void
gsk_cairo_renderer_render (GskRenderer *renderer,
GskRenderNode *root)
{
GdkDrawingContext *context = gsk_renderer_get_drawing_context (renderer);
GdkSurface: Rename various functions and variables This is an automatic rename of various things related to the window->surface rename. Public symbols changed by this is: GDK_MODE_WINDOW gdk_device_get_window_at_position gdk_device_get_window_at_position_double gdk_device_get_last_event_window gdk_display_get_monitor_at_window gdk_drag_context_get_source_window gdk_drag_context_get_dest_window gdk_drag_context_get_drag_window gdk_draw_context_get_window gdk_drawing_context_get_window gdk_gl_context_get_window gdk_synthesize_window_state gdk_surface_get_window_type gdk_x11_display_set_window_scale gsk_renderer_new_for_window gsk_renderer_get_window gtk_text_view_buffer_to_window_coords gtk_tree_view_convert_widget_to_bin_window_coords gtk_tree_view_convert_tree_to_bin_window_coords The commands that generated this are: git sed -f g "GDK window" "GDK surface" git sed -f g window_impl surface_impl (cd gdk; git sed -f g impl_window impl_surface) git sed -f g WINDOW_IMPL SURFACE_IMPL git sed -f g GDK_MODE_WINDOW GDK_MODE_SURFACE git sed -f g gdk_draw_context_get_window gdk_draw_context_get_surface git sed -f g gdk_drawing_context_get_window gdk_drawing_context_get_surface git sed -f g gdk_gl_context_get_window gdk_gl_context_get_surface git sed -f g gsk_renderer_get_window gsk_renderer_get_surface git sed -f g gsk_renderer_new_for_window gsk_renderer_new_for_surface (cd gdk; git sed -f g window_type surface_type) git sed -f g gdk_surface_get_window_type gdk_surface_get_surface_type git sed -f g window_at_position surface_at_position git sed -f g event_window event_surface git sed -f g window_coord surface_coord git sed -f g window_state surface_state git sed -f g window_cursor surface_cursor git sed -f g window_scale surface_scale git sed -f g window_events surface_events git sed -f g monitor_at_window monitor_at_surface git sed -f g window_under_pointer surface_under_pointer (cd gdk; git sed -f g for_window for_surface) git sed -f g window_anchor surface_anchor git sed -f g WINDOW_IS_TOPLEVEL SURFACE_IS_TOPLEVEL git sed -f g native_window native_surface git sed -f g source_window source_surface git sed -f g dest_window dest_surface git sed -f g drag_window drag_surface git sed -f g input_window input_surface git checkout NEWS* po-properties po docs/reference/gtk/migrating-3to4.xml
2018-03-20 11:05:26 +00:00
GdkSurface *window = gsk_renderer_get_surface (renderer);
gsk: Add gsk_renderer_render_texture() ... and implement it for the Cairo renderer. It's an API that instructs a renderer to render to a texture. So far this is mostly meant to be used for testing, but I could imagine it being useful for rendering DND icons.
2016-12-21 19:23:46 +00:00
gsk: Update Cairo renderer The Cairo renderer has been lagging behind a series of changes inside GskRenderer, like surface-less nodes, so it needs to be updated.
2016-08-25 10:29:00 +00:00
cairo_t *cr;
gsk: Remove gsk_renderer_create_fallback() Use gsk_render_node_draw() instead.
2016-12-13 04:07:43 +00:00
cr = gdk_drawing_context_get_cairo_context (context);
gsk: Add the ability to create fallback renderers While porting GTK to GskRenderer we noticed that the current fallback code for widgets using Cairo to draw is not enough to cover all the possible cases. For instance, if a container widget still uses GtkWidget::draw to render its children, and at least one of them has been ported to using render nodes instead, the container won't know how to draw it. For this reason we want to provide to layers above GSK the ability to create a "fallback" renderer instance, created using a "parent" GskRenderer instance, but using a Cairo context as the rendering target instead of a GdkDrawingContext. GTK will use this inside the gtk_widget_draw() implementation, if a widget implements GtkWidgetClass.get_render_node().
2016-08-25 10:31:56 +00:00
gsk: Remove gsk_renderer_create_fallback() Use gsk_render_node_draw() instead.
2016-12-13 04:07:43 +00:00
g_return_if_fail (cr != NULL);
Initial implementation of GSK rendering pipeline GSK is conceptually split into two scene graphs: * a simple rendering tree of operations * a complex set of logical layers The latter is built on the former, and adds convenience and high level API for application developers. The lower layer, though, is what gets transformed into the rendering pipeline, as it's simple and thus can be transformed into appropriate rendering commands with minimal state changes. The lower layer is also suitable for reuse from more complex higher layers, like the CSS machinery in GTK, without necessarily port those layers to the GSK high level API. This lower layer is based on GskRenderNode instances, which represent the tree of rendering operations; and a GskRenderer instance, which takes the render nodes and submits them (after potentially reordering and transforming them to a more appropriate representation) to the underlying graphic system.
2016-03-17 13:48:19 +00:00
gsk: Reorganize env vars Get rid of GSK_RENDERING_MODE and add the flags to GSK_DEBUG, following the same pattern we use in gdk now.
2018-01-14 20:11:33 +00:00
#ifdef G_ENABLE_DEBUG
if (GSK_RENDERER_DEBUG_CHECK (renderer, GEOMETRY))
Initial implementation of GSK rendering pipeline GSK is conceptually split into two scene graphs: * a simple rendering tree of operations * a complex set of logical layers The latter is built on the former, and adds convenience and high level API for application developers. The lower layer, though, is what gets transformed into the rendering pipeline, as it's simple and thus can be transformed into appropriate rendering commands with minimal state changes. The lower layer is also suitable for reuse from more complex higher layers, like the CSS machinery in GTK, without necessarily port those layers to the GSK high level API. This lower layer is based on GskRenderNode instances, which represent the tree of rendering operations; and a GskRenderer instance, which takes the render nodes and submits them (after potentially reordering and transforming them to a more appropriate representation) to the underlying graphic system.
2016-03-17 13:48:19 +00:00
{
cairo_save (cr);
cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
cairo_rectangle (cr,
GskRenderer: Remove viewport property
2017-11-04 19:05:56 +00:00
0, 0,
GdkWindow -> GdkSurface initial type rename This renames the GdkWindow class and related classes (impl, backend subclasses) to surface. Additionally it renames related types: GdkWindowAttr, GdkWindowPaint, GdkWindowWindowClass, GdkWindowType, GdkWindowTypeHint, GdkWindowHints, GdkWindowState, GdkWindowEdge This is an automatic conversion using the below commands: git sed -f g GdkWindowWindowClass GdkSurfaceSurfaceClass git sed -f g GdkWindow GdkSurface git sed -f g "gdk_window\([ _\(\),;]\|$\)" "gdk_surface\1" # Avoid hitting gdk_windowing git sed -f g "GDK_WINDOW\([ _\(]\|$\)" "GDK_SURFACE\1" # Avoid hitting GDK_WINDOWING git sed "GDK_\([A-Z]*\)IS_WINDOW\([_ (]\|$\)" "GDK_\1IS_SURFACE\2" git sed GDK_TYPE_WINDOW GDK_TYPE_SURFACE git sed -f g GdkPointerWindowInfo GdkPointerSurfaceInfo git sed -f g "BROADWAY_WINDOW" "BROADWAY_SURFACE" git sed -f g "broadway_window" "broadway_surface" git sed -f g "BroadwayWindow" "BroadwaySurface" git sed -f g "WAYLAND_WINDOW" "WAYLAND_SURFACE" git sed -f g "wayland_window" "wayland_surface" git sed -f g "WaylandWindow" "WaylandSurface" git sed -f g "X11_WINDOW" "X11_SURFACE" git sed -f g "x11_window" "x11_surface" git sed -f g "X11Window" "X11Surface" git sed -f g "WIN32_WINDOW" "WIN32_SURFACE" git sed -f g "win32_window" "win32_surface" git sed -f g "Win32Window" "Win32Surface" git sed -f g "QUARTZ_WINDOW" "QUARTZ_SURFACE" git sed -f g "quartz_window" "quartz_surface" git sed -f g "QuartzWindow" "QuartzSurface" git checkout NEWS* po-properties
2018-03-20 10:40:08 +00:00
gdk_surface_get_width (window), gdk_surface_get_height (window));
Initial implementation of GSK rendering pipeline GSK is conceptually split into two scene graphs: * a simple rendering tree of operations * a complex set of logical layers The latter is built on the former, and adds convenience and high level API for application developers. The lower layer, though, is what gets transformed into the rendering pipeline, as it's simple and thus can be transformed into appropriate rendering commands with minimal state changes. The lower layer is also suitable for reuse from more complex higher layers, like the CSS machinery in GTK, without necessarily port those layers to the GSK high level API. This lower layer is based on GskRenderNode instances, which represent the tree of rendering operations; and a GskRenderer instance, which takes the render nodes and submits them (after potentially reordering and transforming them to a more appropriate representation) to the underlying graphic system.
2016-03-17 13:48:19 +00:00
cairo_set_source_rgba (cr, 0, 0, 0.85, 0.5);
cairo_stroke (cr);
cairo_restore (cr);
}
gsk: Reorganize env vars Get rid of GSK_RENDERING_MODE and add the flags to GSK_DEBUG, following the same pattern we use in gdk now.
2018-01-14 20:11:33 +00:00
#endif
Initial implementation of GSK rendering pipeline GSK is conceptually split into two scene graphs: * a simple rendering tree of operations * a complex set of logical layers The latter is built on the former, and adds convenience and high level API for application developers. The lower layer, though, is what gets transformed into the rendering pipeline, as it's simple and thus can be transformed into appropriate rendering commands with minimal state changes. The lower layer is also suitable for reuse from more complex higher layers, like the CSS machinery in GTK, without necessarily port those layers to the GSK high level API. This lower layer is based on GskRenderNode instances, which represent the tree of rendering operations; and a GskRenderer instance, which takes the render nodes and submits them (after potentially reordering and transforming them to a more appropriate representation) to the underlying graphic system.
2016-03-17 13:48:19 +00:00
gsk: Add gsk_renderer_render_texture() ... and implement it for the Cairo renderer. It's an API that instructs a renderer to render to a texture. So far this is mostly meant to be used for testing, but I could imagine it being useful for rendering DND icons.
2016-12-21 19:23:46 +00:00
gsk_cairo_renderer_do_render (renderer, cr, root);
Initial implementation of GSK rendering pipeline GSK is conceptually split into two scene graphs: * a simple rendering tree of operations * a complex set of logical layers The latter is built on the former, and adds convenience and high level API for application developers. The lower layer, though, is what gets transformed into the rendering pipeline, as it's simple and thus can be transformed into appropriate rendering commands with minimal state changes. The lower layer is also suitable for reuse from more complex higher layers, like the CSS machinery in GTK, without necessarily port those layers to the GSK high level API. This lower layer is based on GskRenderNode instances, which represent the tree of rendering operations; and a GskRenderer instance, which takes the render nodes and submits them (after potentially reordering and transforming them to a more appropriate representation) to the underlying graphic system.
2016-03-17 13:48:19 +00:00
}
static void
gsk_cairo_renderer_class_init (GskCairoRendererClass *klass)
{
GskRendererClass *renderer_class = GSK_RENDERER_CLASS (klass);
renderer_class->realize = gsk_cairo_renderer_realize;
renderer_class->unrealize = gsk_cairo_renderer_unrealize;
renderer_class->render = gsk_cairo_renderer_render;
gsk: Add gsk_renderer_render_texture() ... and implement it for the Cairo renderer. It's an API that instructs a renderer to render to a texture. So far this is mostly meant to be used for testing, but I could imagine it being useful for rendering DND icons.
2016-12-21 19:23:46 +00:00
renderer_class->render_texture = gsk_cairo_renderer_render_texture;
Initial implementation of GSK rendering pipeline GSK is conceptually split into two scene graphs: * a simple rendering tree of operations * a complex set of logical layers The latter is built on the former, and adds convenience and high level API for application developers. The lower layer, though, is what gets transformed into the rendering pipeline, as it's simple and thus can be transformed into appropriate rendering commands with minimal state changes. The lower layer is also suitable for reuse from more complex higher layers, like the CSS machinery in GTK, without necessarily port those layers to the GSK high level API. This lower layer is based on GskRenderNode instances, which represent the tree of rendering operations; and a GskRenderer instance, which takes the render nodes and submits them (after potentially reordering and transforming them to a more appropriate representation) to the underlying graphic system.
2016-03-17 13:48:19 +00:00
}
static void
gsk_cairo_renderer_init (GskCairoRenderer *self)
{
cairorenderer: Record cpu time in the profiler
2016-11-20 04:28:52 +00:00
#ifdef G_ENABLE_DEBUG
GskProfiler *profiler = gsk_renderer_get_profiler (GSK_RENDERER (self));
Initial implementation of GSK rendering pipeline GSK is conceptually split into two scene graphs: * a simple rendering tree of operations * a complex set of logical layers The latter is built on the former, and adds convenience and high level API for application developers. The lower layer, though, is what gets transformed into the rendering pipeline, as it's simple and thus can be transformed into appropriate rendering commands with minimal state changes. The lower layer is also suitable for reuse from more complex higher layers, like the CSS machinery in GTK, without necessarily port those layers to the GSK high level API. This lower layer is based on GskRenderNode instances, which represent the tree of rendering operations; and a GskRenderer instance, which takes the render nodes and submits them (after potentially reordering and transforming them to a more appropriate representation) to the underlying graphic system.
2016-03-17 13:48:19 +00:00
cairorenderer: Record cpu time in the profiler
2016-11-20 04:28:52 +00:00
self->profile_timers.cpu_time = gsk_profiler_add_timer (profiler, "cpu-time", "CPU time", FALSE, TRUE);
#endif
Initial implementation of GSK rendering pipeline GSK is conceptually split into two scene graphs: * a simple rendering tree of operations * a complex set of logical layers The latter is built on the former, and adds convenience and high level API for application developers. The lower layer, though, is what gets transformed into the rendering pipeline, as it's simple and thus can be transformed into appropriate rendering commands with minimal state changes. The lower layer is also suitable for reuse from more complex higher layers, like the CSS machinery in GTK, without necessarily port those layers to the GSK high level API. This lower layer is based on GskRenderNode instances, which represent the tree of rendering operations; and a GskRenderer instance, which takes the render nodes and submits them (after potentially reordering and transforming them to a more appropriate representation) to the underlying graphic system.
2016-03-17 13:48:19 +00:00
}
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