fl_renderer_gdk.cc File Reference

#include "flutter/shell/platform/linux/fl_renderer_gdk.h"

Go to the source code of this file.

Classes
struct	_FlRendererGdk

Functions
static void	fl_renderer_gdk_make_current (FlRenderer *renderer)
static void	fl_renderer_gdk_make_resource_current (FlRenderer *renderer)
static void	fl_renderer_gdk_clear_current (FlRenderer *renderer)
static gdouble	fl_renderer_gdk_get_refresh_rate (FlRenderer *renderer)
static void	fl_renderer_gdk_dispose (GObject *object)
static void	fl_renderer_gdk_class_init (FlRendererGdkClass *klass)
static void	fl_renderer_gdk_init (FlRendererGdk *self)
FlRendererGdk *	fl_renderer_gdk_new (GdkWindow *window)
gboolean	fl_renderer_gdk_create_contexts (FlRendererGdk *self, GError **error)
GdkGLContext *	fl_renderer_gdk_get_context (FlRendererGdk *self)

Function Documentation

fl_renderer_gdk_class_init()

static void fl_renderer_gdk_class_init ( FlRendererGdkClass *  klass )

static

Definition at line 69 of file fl_renderer_gdk.cc.

                                                                  {
  G_OBJECT_CLASS(klass)->dispose = fl_renderer_gdk_dispose;
 
  FL_RENDERER_CLASS(klass)->make_current = fl_renderer_gdk_make_current;
  FL_RENDERER_CLASS(klass)->make_resource_current =
      fl_renderer_gdk_make_resource_current;
  FL_RENDERER_CLASS(klass)->clear_current = fl_renderer_gdk_clear_current;
  FL_RENDERER_CLASS(klass)->get_refresh_rate = fl_renderer_gdk_get_refresh_rate;
}

References fl_renderer_gdk_clear_current(), fl_renderer_gdk_dispose(), fl_renderer_gdk_get_refresh_rate(), fl_renderer_gdk_make_current(), and fl_renderer_gdk_make_resource_current().

fl_renderer_gdk_clear_current()

static void fl_renderer_gdk_clear_current ( FlRenderer *  renderer )

static

Definition at line 38 of file fl_renderer_gdk.cc.

                                                                {
  gdk_gl_context_clear_current();
}

Referenced by fl_renderer_gdk_class_init().

fl_renderer_gdk_create_contexts()

gboolean fl_renderer_gdk_create_contexts	(	FlRendererGdk *	renderer,
		GError **	error
	)

fl_renderer_gdk_create_contexts: @renderer: an #FlRendererGdk. @error: (allow-none): #GError location to store the error occurring, or NULL to ignore.

Create rendering contexts.

Returns: TRUE if contexts were created, FALSE if there was an error.

Definition at line 88 of file fl_renderer_gdk.cc.

                                                                              {
  self->gdk_context = gdk_window_create_gl_context(self->window, error);
  if (self->gdk_context == nullptr) {
    return FALSE;
  }
  if (!gdk_gl_context_realize(self->gdk_context, error)) {
    return FALSE;
  }
 
  self->main_context = gdk_window_create_gl_context(self->window, error);
  if (self->main_context == nullptr) {
    return FALSE;
  }
  if (!gdk_gl_context_realize(self->main_context, error)) {
    return FALSE;
  }
 
  self->resource_context = gdk_window_create_gl_context(self->window, error);
  if (self->resource_context == nullptr) {
    return FALSE;
  }
  if (!gdk_gl_context_realize(self->resource_context, error)) {
    return FALSE;
  }
 
  return TRUE;
}

References error, and TRUE.

Referenced by create_context_cb().

fl_renderer_gdk_dispose()

static void fl_renderer_gdk_dispose ( GObject *  object )

static

Definition at line 59 of file fl_renderer_gdk.cc.

                                                     {
  FlRendererGdk* self = FL_RENDERER_GDK(object);
 
  g_clear_object(&self->gdk_context);
  g_clear_object(&self->main_context);
  g_clear_object(&self->resource_context);
 
  G_OBJECT_CLASS(fl_renderer_gdk_parent_class)->dispose(object);
}

Referenced by fl_renderer_gdk_class_init().

fl_renderer_gdk_get_context()

GdkGLContext* fl_renderer_gdk_get_context

(

FlRendererGdk *

renderer

)

fl_renderer_gdk_get_context: @renderer: an #FlRendererGdk.

Returns: the main context used for rendering.

Definition at line 116 of file fl_renderer_gdk.cc.

                                                               {
  g_return_val_if_fail(FL_IS_RENDERER_GDK(self), nullptr);
  return self->gdk_context;
}

Referenced by create_context_cb().

fl_renderer_gdk_get_refresh_rate()

static gdouble fl_renderer_gdk_get_refresh_rate ( FlRenderer *  renderer )

static

Definition at line 42 of file fl_renderer_gdk.cc.

                                                                      {
  FlRendererGdk* self = FL_RENDERER_GDK(renderer);
  GdkDisplay* display = gdk_window_get_display(self->window);
  GdkMonitor* monitor =
      gdk_display_get_monitor_at_window(display, self->window);
  if (monitor == nullptr) {
    return -1.0;
  }
 
  int refresh_rate = gdk_monitor_get_refresh_rate(monitor);
  if (refresh_rate <= 0) {
    return -1.0;
  }
  // the return value is in milli-hertz, convert to hertz
  return static_cast<gdouble>(refresh_rate) / 1000.0;
}

Referenced by fl_renderer_gdk_class_init().

fl_renderer_gdk_init()

static void fl_renderer_gdk_init ( FlRendererGdk *  self )

static

Definition at line 79 of file fl_renderer_gdk.cc.

{}

fl_renderer_gdk_make_current()

static void fl_renderer_gdk_make_current ( FlRenderer *  renderer )

static

Definition at line 26 of file fl_renderer_gdk.cc.

                                                               {
  FlRendererGdk* self = FL_RENDERER_GDK(renderer);
  gdk_gl_context_make_current(self->main_context);
}

Referenced by fl_renderer_gdk_class_init().

fl_renderer_gdk_make_resource_current()

static void fl_renderer_gdk_make_resource_current ( FlRenderer *  renderer )

static

Definition at line 32 of file fl_renderer_gdk.cc.

                                                                        {
  FlRendererGdk* self = FL_RENDERER_GDK(renderer);
  gdk_gl_context_make_current(self->resource_context);
}

Referenced by fl_renderer_gdk_class_init().

fl_renderer_gdk_new()

FlRendererGdk* fl_renderer_gdk_new

(

GdkWindow *

window

)

Definition at line 81 of file fl_renderer_gdk.cc.

                                                      {
  FlRendererGdk* self =
      FL_RENDERER_GDK(g_object_new(fl_renderer_gdk_get_type(), nullptr));
  self->window = window;
  return self;
}

Referenced by create_context_cb().