fl_opengl_manager.cc File Reference

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

Go to the source code of this file.

Classes
struct	_FlOpenGLManager

Functions
static void	fl_opengl_manager_dispose (GObject *object)
static void	fl_opengl_manager_class_init (FlOpenGLManagerClass *klass)
static void	fl_opengl_manager_init (FlOpenGLManager *self)
FlOpenGLManager *	fl_opengl_manager_new ()
gboolean	fl_opengl_manager_create_contexts (FlOpenGLManager *self, GdkWindow *window, GError **error)
GdkGLContext *	fl_opengl_manager_get_context (FlOpenGLManager *self)
void	fl_opengl_manager_make_current (FlOpenGLManager *self)
void	fl_opengl_manager_make_resource_current (FlOpenGLManager *self)
void	fl_opengl_manager_clear_current (FlOpenGLManager *self)

Function Documentation

fl_opengl_manager_class_init()

static void fl_opengl_manager_class_init ( FlOpenGLManagerClass *  klass )

static

Definition at line 33 of file fl_opengl_manager.cc.

                                                                      {
  G_OBJECT_CLASS(klass)->dispose = fl_opengl_manager_dispose;
}

References fl_opengl_manager_dispose().

fl_opengl_manager_clear_current()

void fl_opengl_manager_clear_current

(

FlOpenGLManager *

manager

)

fl_opengl_manager_clear_current: @manager: an #FlOpenGLManager.

Clears the current rendering context.

Definition at line 90 of file fl_opengl_manager.cc.

                                                            {
  gdk_gl_context_clear_current();
}

Referenced by fl_compositor_opengl_present_layers(), fl_engine_gl_clear_current(), present_layers_task_cb(), and realize_cb().

fl_opengl_manager_create_contexts()

gboolean fl_opengl_manager_create_contexts	(	FlOpenGLManager *	manager,
		GdkWindow *	window,
		GError **	error
	)

fl_opengl_manager_create_contexts: @manager: an #FlOpenGLManager. @window: the window that is being rendered on. @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 45 of file fl_opengl_manager.cc.

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

References error, TRUE, and window.

Referenced by create_context_cb().

fl_opengl_manager_dispose()

static void fl_opengl_manager_dispose ( GObject *  object )

static

Definition at line 23 of file fl_opengl_manager.cc.

                                                       {
  FlOpenGLManager* self = FL_OPENGL_MANAGER(object);
 
  g_clear_object(&self->gdk_context);
  g_clear_object(&self->main_context);
  g_clear_object(&self->resource_context);
 
  G_OBJECT_CLASS(fl_opengl_manager_parent_class)->dispose(object);
}

Referenced by fl_opengl_manager_class_init().

fl_opengl_manager_get_context()

GdkGLContext* fl_opengl_manager_get_context

(

FlOpenGLManager *

manager

)

fl_opengl_manager_get_context: @manager: an #FlOpenGLManager.

Returns: the main context used for rendering.

Definition at line 77 of file fl_opengl_manager.cc.

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

Referenced by create_context_cb().

fl_opengl_manager_init()

static void fl_opengl_manager_init ( FlOpenGLManager *  self )

static

Definition at line 37 of file fl_opengl_manager.cc.

{}

fl_opengl_manager_make_current()

void fl_opengl_manager_make_current

(

FlOpenGLManager *

manager

)

fl_opengl_manager_make_current: @manager: an #FlOpenGLManager.

Makes the rendering context current.

Definition at line 82 of file fl_opengl_manager.cc.

                                                           {
  gdk_gl_context_make_current(self->main_context);
}

Referenced by collect_opengl_backing_store(), create_opengl_backing_store(), fl_compositor_opengl_new(), fl_compositor_opengl_present_layers(), fl_engine_gl_make_current(), present_layers_task_cb(), and unrealize_cb().

fl_opengl_manager_make_resource_current()

void fl_opengl_manager_make_resource_current

(

FlOpenGLManager *

manager

)

fl_opengl_manager_make_resource_current: @manager: an #FlOpenGLManager.

Makes the resource rendering context current.

Definition at line 86 of file fl_opengl_manager.cc.

                                                                    {
  gdk_gl_context_make_current(self->resource_context);
}

Referenced by fl_engine_gl_make_resource_current().

fl_opengl_manager_new()

FlOpenGLManager* fl_opengl_manager_new

(

)

Definition at line 39 of file fl_opengl_manager.cc.

                                         {
  FlOpenGLManager* self =
      FL_OPENGL_MANAGER(g_object_new(fl_opengl_manager_get_type(), nullptr));
  return self;
}

Referenced by fl_engine_init().