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Functions
fl_opengl_manager.h File Reference
#include <gtk/gtk.h>

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Functions

G_BEGIN_DECLS G_DECLARE_FINAL_TYPE (FlOpenGLManager, fl_opengl_manager, FL, OPENGL_MANAGER, GObject) FlOpenGLManager *fl_opengl_manager_new()
 
gboolean fl_opengl_manager_create_contexts (FlOpenGLManager *manager, GdkWindow *window, GError **error)
 
GdkGLContext * fl_opengl_manager_get_context (FlOpenGLManager *manager)
 
void fl_opengl_manager_make_current (FlOpenGLManager *manager)
 
void fl_opengl_manager_make_resource_current (FlOpenGLManager *manager)
 
void fl_opengl_manager_clear_current (FlOpenGLManager *manager)
 

Function Documentation

◆ 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.

90  {
91  gdk_gl_context_clear_current();
92 }

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.

47  {
48  g_return_val_if_fail(FL_IS_OPENGL_MANAGER(self), FALSE);
49 
50  self->gdk_context = gdk_window_create_gl_context(window, error);
51  if (self->gdk_context == nullptr) {
52  return FALSE;
53  }
54  if (!gdk_gl_context_realize(self->gdk_context, error)) {
55  return FALSE;
56  }
57 
58  self->main_context = gdk_window_create_gl_context(window, error);
59  if (self->main_context == nullptr) {
60  return FALSE;
61  }
62  if (!gdk_gl_context_realize(self->main_context, error)) {
63  return FALSE;
64  }
65 
66  self->resource_context = gdk_window_create_gl_context(window, error);
67  if (self->resource_context == nullptr) {
68  return FALSE;
69  }
70  if (!gdk_gl_context_realize(self->resource_context, error)) {
71  return FALSE;
72  }
73 
74  return TRUE;
75 }
window
return window
Definition: fl_application.cc:41
TRUE
return TRUE
Definition: fl_pixel_buffer_texture_test.cc:53
error
const uint8_t uint32_t uint32_t GError ** error
Definition: fl_pixel_buffer_texture_test.cc:40

References error, TRUE, and window.

Referenced by create_context_cb().

◆ 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.

77  {
78  g_return_val_if_fail(FL_IS_OPENGL_MANAGER(self), nullptr);
79  return self->gdk_context;
80 }

Referenced by create_context_cb().

◆ 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.

82  {
83  gdk_gl_context_make_current(self->main_context);
84 }

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.

86  {
87  gdk_gl_context_make_current(self->resource_context);
88 }

Referenced by fl_engine_gl_make_resource_current().

◆ G_DECLARE_FINAL_TYPE()

G_BEGIN_DECLS G_DECLARE_FINAL_TYPE ( FlOpenGLManager  ,
fl_opengl_manager  ,
FL  ,
OPENGL_MANAGER  ,
GObject   
)

fl_opengl_manager_new:

Creates an object that allows Flutter to render by OpenGL ES.

Returns: a new #FlOpenGLManager.