mutter/clutter/eglnative/clutter-stage-egl.c

256 lines
6.8 KiB
C
Raw Normal View History

#include "config.h"
#include "clutter-stage-egl.h"
#include "clutter-egl.h"
#include "../clutter-main.h"
#include "../clutter-feature.h"
#include "../clutter-color.h"
#include "../clutter-util.h"
#include "../clutter-event.h"
#include "../clutter-enum-types.h"
#include "../clutter-private.h"
#include "../clutter-debug.h"
#include "../clutter-units.h"
G_DEFINE_TYPE (ClutterStageEGL, clutter_stage_egl, CLUTTER_TYPE_STAGE);
static void
clutter_stage_egl_show (ClutterActor *actor)
{
ClutterStageEGL *stage_egl = CLUTTER_STAGE_EGL (actor);
/* we are always shown... */
return;
}
static void
clutter_stage_egl_hide (ClutterActor *actor)
{
ClutterStageEGL *stage_egl = CLUTTER_STAGE_EGL (actor);
/* we are always shown... */
return;
}
static void
clutter_stage_egl_unrealize (ClutterActor *actor)
{
ClutterStageEGL *stage_egl = CLUTTER_STAGE_EGL (actor);
gboolean was_offscreen;
CLUTTER_MARK();
g_object_get (actor, "offscreen", &was_offscreen, NULL);
if (stage_egl->egl_surface)
eglDestroySurface (clutter_egl_display(), stage_egl->egl_surface);
stage_egl->egl_surface = NULL;
if (stage_egl->egl_context)
eglDestroyContext (clutter_egl_display(), stage_egl->egl_context);
stage_egl->egl_context = NULL;
eglMakeCurrent (clutter_egl_display(),
EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
stage_egl->egl_context = EGL_NO_CONTEXT;
}
static void
clutter_stage_egl_realize (ClutterActor *actor)
{
ClutterStageEGL *stage_egl = CLUTTER_STAGE_EGL (actor);
EGLConfig configs[2];
EGLint config_count;
EGLBoolean status;
ClutterPerspective perspective;
gboolean is_offscreen;
CLUTTER_NOTE (BACKEND, "Realizing main stage");
g_object_get (actor, "offscreen", &is_offscreen, NULL);
if (G_LIKELY (!is_offscreen))
{
EGLint cfg_attribs[] = { EGL_BUFFER_SIZE, EGL_DONT_CARE,
EGL_RED_SIZE, 5,
EGL_GREEN_SIZE, 6,
EGL_BLUE_SIZE, 5,
EGL_DEPTH_SIZE, 16,
EGL_ALPHA_SIZE, EGL_DONT_CARE,
EGL_STENCIL_SIZE, EGL_DONT_CARE,
EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
EGL_NONE };
status = eglGetConfigs (clutter_egl_display(),
configs,
2,
&config_count);
if (status != EGL_TRUE)
g_warning ("eglGetConfigs");
status = eglChooseConfig (clutter_egl_display(),
cfg_attribs,
configs,
sizeof configs / sizeof configs[0],
&config_count);
if (status != EGL_TRUE)
g_warning ("eglChooseConfig");
if (stage_egl->egl_context)
eglDestroyContext (clutter_egl_display(), stage_egl->egl_context);
if (stage_egl->egl_surface)
eglDestroySurface (clutter_egl_display(), stage_egl->egl_surface);
stage_egl->egl_surface
= eglCreateWindowSurface (clutter_egl_display(),
configs[0],
NULL,
NULL);
eglQuerySurface (clutter_egl_display(),
stage_egl->egl_surface,
EGL_WIDTH,
&stage_egl->surface_width);
eglQuerySurface (clutter_egl_display(),
stage_egl->egl_surface,
EGL_HEIGHT,
&stage_egl->surface_height);
if (stage_egl->egl_surface == EGL_NO_SURFACE)
g_warning ("eglCreateWindowSurface");
CLUTTER_NOTE (BACKEND, "surface is %ix%i",
stage_egl->surface_width, stage_egl->surface_height);
stage_egl->egl_context = eglCreateContext (clutter_egl_display(),
configs[0],
EGL_NO_CONTEXT,
NULL);
if (stage_egl->egl_context == EGL_NO_CONTEXT)
g_warning ("eglCreateContext");
status = eglMakeCurrent (clutter_egl_display(),
stage_egl->egl_surface,
stage_egl->egl_surface,
stage_egl->egl_context);
if (status != EGL_TRUE)
g_warning ("eglMakeCurrent");
}
else
{
/* FIXME */
}
clutter_stage_get_perspectivex (CLUTTER_STAGE (actor), &perspective);
cogl_setup_viewport (clutter_actor_get_width (actor),
clutter_actor_get_height (actor),
perspective.fovy,
perspective.aspect,
perspective.z_near,
perspective.z_far);
}
static void
clutter_stage_egl_query_coords (ClutterActor *self,
ClutterActorBox *box)
{
ClutterStageEGL *stage_egl = CLUTTER_STAGE_EGL (self);
box->x1 = box->y1 = 0;
box->x2 = box->x1 + CLUTTER_UNITS_FROM_INT (stage_egl->surface_width);
box->y2 = box->y1 + CLUTTER_UNITS_FROM_INT (stage_egl->surface_height);
}
static void
clutter_stage_egl_request_coords (ClutterActor *self,
ClutterActorBox *box)
{
ClutterStageEGL *stage_egl = CLUTTER_STAGE_EGL (self);
/* framebuffer no resize */
box->x1 = 0;
box->y1 = 0;
box->x2 = CLUTTER_UNITS_FROM_INT (stage_egl->surface_width);
box->y2 = CLUTTER_UNITS_FROM_INT (stage_egl->surface_height);
}
static void
clutter_stage_egl_set_fullscreen (ClutterStage *stage,
gboolean fullscreen)
{
g_warning ("Stage of type `%s' do not support ClutterStage::set_fullscreen",
G_OBJECT_TYPE_NAME (stage));
}
static void
clutter_stage_egl_set_offscreen (ClutterStage *stage,
gboolean offscreen)
{
g_warning ("Stage of type `%s' do not support ClutterStage::set_offscreen",
G_OBJECT_TYPE_NAME (stage));
}
static GdkPixbuf*
clutter_stage_egl_draw_to_pixbuf (ClutterStage *stage,
gint x,
gint y,
gint width,
gint height)
{
g_warning ("Stage of type `%s' do not support ClutterStage::draw_to_pixbuf",
G_OBJECT_TYPE_NAME (stage));
return NULL;
}
static void
clutter_stage_egl_dispose (GObject *gobject)
{
ClutterStageEGL *stage_egl = CLUTTER_STAGE_EGL (gobject);
clutter_actor_unrealize (CLUTTER_ACTOR (stage_egl));
G_OBJECT_CLASS (clutter_stage_egl_parent_class)->dispose (gobject);
}
static void
clutter_stage_egl_class_init (ClutterStageEGLClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
ClutterActorClass *actor_class = CLUTTER_ACTOR_CLASS (klass);
ClutterStageClass *stage_class = CLUTTER_STAGE_CLASS (klass);
gobject_class->dispose = clutter_stage_egl_dispose;
actor_class->show = clutter_stage_egl_show;
actor_class->hide = clutter_stage_egl_hide;
actor_class->realize = clutter_stage_egl_realize;
actor_class->unrealize = clutter_stage_egl_unrealize;
actor_class->request_coords = clutter_stage_egl_request_coords;
actor_class->query_coords = clutter_stage_egl_query_coords;
stage_class->set_fullscreen = clutter_stage_egl_set_fullscreen;
stage_class->set_offscreen = clutter_stage_egl_set_offscreen;
stage_class->draw_to_pixbuf = clutter_stage_egl_draw_to_pixbuf;
}
static void
clutter_stage_egl_init (ClutterStageEGL *stage)
{
;
}