mirror of
https://github.com/brl/mutter.git
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303 lines
7.6 KiB
C
303 lines
7.6 KiB
C
#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "clutter-backend-fruity.h"
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#include "clutter-stage-fruity.h"
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#include "clutter-debug.h"
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#include "clutter-main.h"
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#include "clutter-stage-private.h"
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#include "clutter-private.h"
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static ClutterBackendEGL *backend_singleton = NULL;
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G_DEFINE_TYPE (ClutterBackendEGL, clutter_backend_egl, CLUTTER_TYPE_BACKEND);
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static gboolean
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clutter_backend_egl_pre_parse (ClutterBackend *backend,
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GError **error)
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{
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return TRUE;
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}
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static gboolean
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clutter_backend_egl_post_parse (ClutterBackend *backend,
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GError **error)
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{
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ClutterBackendEGL *backend_egl = CLUTTER_BACKEND_EGL(backend);
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EGLBoolean status;
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backend_egl->edpy = eglGetDisplay (EGL_DEFAULT_DISPLAY);
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status = eglInitialize (backend_egl->edpy,
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&backend_egl->egl_version_major,
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&backend_egl->egl_version_minor);
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if (status != EGL_TRUE)
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{
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g_set_error (error, CLUTTER_INIT_ERROR,
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CLUTTER_INIT_ERROR_BACKEND,
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"Unable to Initialize EGL");
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return FALSE;
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}
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CLUTTER_NOTE (BACKEND, "EGL Reports version %i.%i",
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backend_egl->egl_version_major,
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backend_egl->egl_version_minor);
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return TRUE;
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}
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static void
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clutter_backend_egl_ensure_context (ClutterBackend *backend,
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ClutterStage *stage)
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{
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/* not doing anything since we only have one context */
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}
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static void
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clutter_backend_egl_redraw (ClutterBackend *backend,
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ClutterStage *stage)
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{
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ClutterBackendEGL *backend_egl = CLUTTER_BACKEND_EGL (backend);
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ClutterStageEGL *stage_egl;
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ClutterStageWindow *impl;
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impl = _clutter_stage_get_window (stage);
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if (!impl)
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return;
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g_assert (CLUTTER_IS_STAGE_EGL (impl));
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stage_egl = CLUTTER_STAGE_EGL (impl);
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eglWaitNative (EGL_CORE_NATIVE_ENGINE);
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_clutter_stage_do_paint (stage, NULL);
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cogl_flush ();
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eglWaitGL();
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eglSwapBuffers (backend_egl->edpy, stage_egl->egl_surface);
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}
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static ClutterActor *
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clutter_backend_egl_create_stage (ClutterBackend *backend,
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ClutterStage *wrapper,
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GError **error)
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{
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ClutterBackendEGL *backend_egl = CLUTTER_BACKEND_EGL (backend);
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ClutterStageEGL *stage_egl;
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ClutterActor *stage;
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if (backend_egl->stage)
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{
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g_warning ("The EGL native backend does not support multiple stages");
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return backend_egl->stage;
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}
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stage = g_object_new (CLUTTER_TYPE_STAGE_FRUITY, NULL);
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stage_egl = CLUTTER_STAGE_EGL (stage);
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stage_egl->backend = backend_egl;
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stage_egl->wrapper = wrapper;
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backend_egl->stage = CLUTTER_ACTOR (stage_egl);
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return stage;
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}
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static void
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clutter_backend_egl_init_events (ClutterBackend *backend)
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{
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}
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static const GOptionEntry entries[] =
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{
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{ NULL }
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};
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static void
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clutter_backend_egl_finalize (GObject *gobject)
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{
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if (backend_singleton)
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backend_singleton = NULL;
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G_OBJECT_CLASS (clutter_backend_egl_parent_class)->finalize (gobject);
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}
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static void
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clutter_backend_egl_dispose (GObject *gobject)
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{
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ClutterBackendEGL *backend_egl = CLUTTER_BACKEND_EGL (gobject);
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_clutter_events_uninit (CLUTTER_BACKEND (backend_egl));
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if (backend_egl->egl_context)
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{
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eglDestroyContext (backend_egl->edpy, backend_egl->egl_context);
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backend_egl->egl_context = NULL;
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}
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if (backend_egl->edpy)
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{
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eglTerminate (backend_egl->edpy);
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backend_egl->edpy = 0;
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}
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G_OBJECT_CLASS (clutter_backend_egl_parent_class)->dispose (gobject);
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}
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static GObject *
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clutter_backend_egl_constructor (GType gtype,
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guint n_params,
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GObjectConstructParam *params)
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{
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GObjectClass *parent_class;
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GObject *retval;
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if (!backend_singleton)
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{
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parent_class = G_OBJECT_CLASS (clutter_backend_egl_parent_class);
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retval = parent_class->constructor (gtype, n_params, params);
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backend_singleton = CLUTTER_BACKEND_EGL (retval);
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return retval;
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}
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g_warning ("Attempting to create a new backend object. This should "
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"never happen, so we return the singleton instance.");
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return g_object_ref (backend_singleton);
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}
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static ClutterFeatureFlags
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clutter_backend_egl_get_features (ClutterBackend *backend)
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{
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ClutterBackendEGL *backend_egl = CLUTTER_BACKEND_EGL (backend);
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CLUTTER_NOTE (BACKEND, "Checking features\n"
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"GL_VENDOR: %s\n"
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"GL_RENDERER: %s\n"
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"GL_VERSION: %s\n"
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"EGL_VENDOR: %s\n"
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"EGL_VERSION: %s\n"
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"EGL_EXTENSIONS: %s\n",
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glGetString (GL_VENDOR),
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glGetString (GL_RENDERER),
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glGetString (GL_VERSION),
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eglQueryString (backend_egl->edpy, EGL_VENDOR),
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eglQueryString (backend_egl->edpy, EGL_VERSION),
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eglQueryString (backend_egl->edpy, EGL_EXTENSIONS));
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return CLUTTER_FEATURE_STAGE_STATIC;
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}
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static void
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clutter_backend_egl_class_init (ClutterBackendEGLClass *klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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ClutterBackendClass *backend_class = CLUTTER_BACKEND_CLASS (klass);
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gobject_class->constructor = clutter_backend_egl_constructor;
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gobject_class->dispose = clutter_backend_egl_dispose;
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gobject_class->finalize = clutter_backend_egl_finalize;
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backend_class->pre_parse = clutter_backend_egl_pre_parse;
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backend_class->post_parse = clutter_backend_egl_post_parse;
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backend_class->init_events = clutter_backend_egl_init_events;
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backend_class->create_stage = clutter_backend_egl_create_stage;
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backend_class->ensure_context = clutter_backend_egl_ensure_context;
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backend_class->redraw = clutter_backend_egl_redraw;
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backend_class->get_features = clutter_backend_egl_get_features;
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}
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static void
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clutter_backend_egl_init (ClutterBackendEGL *backend_egl)
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{
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ClutterBackend *backend = CLUTTER_BACKEND (backend_egl);
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ClutterMainContext *context;
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int i;
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clutter_backend_set_resolution (backend, 96.0);
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clutter_backend_set_double_click_time (backend, 250);
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clutter_backend_set_double_click_distance (backend, 5);
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context = _clutter_context_get_default ();
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#define MAX_FINGERS 5
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for (i = 0; i < MAX_FINGERS; i++)
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{
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ClutterFruityFingerDevice *device;
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device = g_new0 (ClutterFruityFingerDevice, 1);
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context->input_devices = g_slist_append (context->input_devices, device);
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device->device.id = i;
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device->device.click_count = 0;
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device->device.previous_time = 0;
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device->device.previous_x = -1;
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device->device.previous_y = -1;
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device->device.previous_button_number = -1;
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device->x = 0;
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device->y = 0;
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}
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#undef MAX_FINGERS
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}
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GType
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_clutter_backend_impl_get_type (void)
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{
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return clutter_backend_egl_get_type ();
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}
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/**
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* clutter_egl_display:
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*
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* Retrieves the <structname>EGLDisplay</structname> used by Clutter.
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*
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* Return value: the EGL display
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*
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* Deprecated: 1.6: Use clutter_fruity_get_egl_display() instead
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*
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* Since: 0.6
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*/
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EGLDisplay
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clutter_egl_display (void)
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{
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return backend_singleton->edpy;
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}
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/**
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* clutter_fruity_egl_display:
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*
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* Retrieves the <structname>EGLDisplay</structname> used by Clutter.
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*
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* Return value: the EGL display
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*
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* Since: 1.6
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*/
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EGLDisplay
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clutter_fruity_get_egl_display (void)
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{
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if (backend_singleton == NULL)
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{
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g_critical ("%s has been called before clutter_init()", G_STRFUNC);
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return 0;
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}
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return backend_singleton->edpy;
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}
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void *rpl_malloc (size_t allocation)
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{
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return g_malloc (allocation);
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}
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void rpl_free (void *ptr)
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{
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g_free (ptr);
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}
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