4 * Copyright (C) 2008 - 2012 The Geeqie Team
7 * Author: Vladimir Nadvornik
9 * This software is released under the GNU General Public License (GNU GPL).
10 * Please read the included file COPYING for more information.
11 * This software comes with no warranty of any kind, use at your own risk!
20 #include "pixbuf-renderer.h"
21 #include "renderer-clutter.h"
31 #define COGL_ENABLE_EXPERIMENTAL_API
32 #define CLUTTER_ENABLE_EXPERIMENTAL_API
34 #include <clutter/clutter.h>
36 #include <clutter-gtk/clutter-gtk.h>
44 #include "pixbuf_util.h"
48 EXIF_ORIENTATION_UNKNOWN = 0,
49 EXIF_ORIENTATION_TOP_LEFT = 1,
50 EXIF_ORIENTATION_TOP_RIGHT = 2,
51 EXIF_ORIENTATION_BOTTOM_RIGHT = 3,
52 EXIF_ORIENTATION_BOTTOM_LEFT = 4,
53 EXIF_ORIENTATION_LEFT_TOP = 5,
54 EXIF_ORIENTATION_RIGHT_TOP = 6,
55 EXIF_ORIENTATION_RIGHT_BOTTOM = 7,
56 EXIF_ORIENTATION_LEFT_BOTTOM = 8
57 } ExifOrientationType;
60 #define GET_RIGHT_PIXBUF_OFFSET(rc) \
61 (( (rc->stereo_mode & PR_STEREO_RIGHT) && !(rc->stereo_mode & PR_STEREO_SWAP)) || \
62 (!(rc->stereo_mode & PR_STEREO_RIGHT) && (rc->stereo_mode & PR_STEREO_SWAP)) ? \
63 rc->pr->stereo_pixbuf_offset_right : rc->pr->stereo_pixbuf_offset_left )
65 #define GET_LEFT_PIXBUF_OFFSET(rc) \
66 ((!(rc->stereo_mode & PR_STEREO_RIGHT) && !(rc->stereo_mode & PR_STEREO_SWAP)) || \
67 ( (rc->stereo_mode & PR_STEREO_RIGHT) && (rc->stereo_mode & PR_STEREO_SWAP)) ? \
68 rc->pr->stereo_pixbuf_offset_right : rc->pr->stereo_pixbuf_offset_left )
71 typedef struct _OverlayData OverlayData;
82 OverlayRendererFlags flags;
85 typedef struct _RendererClutter RendererClutter;
87 struct _RendererClutter
98 GList *pending_updates;
103 GtkWidget *widget; /* widget and stage may be shared with other renderers */
105 ClutterActor *texture;
108 gboolean clut_updated;
109 gint64 last_pixbuf_change;
112 typedef struct _RendererClutterAreaParam RendererClutterAreaParam;
113 struct _RendererClutterAreaParam {
123 static void rc_set_shader(CoglHandle material)
128 shader = cogl_create_shader (COGL_SHADER_TYPE_FRAGMENT);
129 cogl_shader_source (shader,
130 "vec3 checker(vec2 texc, vec3 color0, vec3 color1) \n"
132 " if (mod(floor(texc.x) + floor(texc.y), 2.0) == 0.0) \n"
138 "uniform sampler2D tex; \n"
139 "uniform sampler3D clut; \n"
140 "uniform float scale; \n"
141 "uniform float offset; \n"
145 " vec3 bg = checker(gl_FragCoord.xy / 16.0, vec3(0.6, 0.6, 0.6), vec3(0.4, 0.4, 0.4)); \n"
146 " vec4 img4 = texture2D(tex, gl_TexCoord[0].xy); \n"
147 " vec3 img3 = img4.bgr; \n"
148 " img3 = img3 * scale + offset; \n"
149 " img3 = texture3D(clut, img3).rgb; \n"
151 " gl_FragColor = vec4(img3 * img4.a + bg * (1.0 - img4.a), 1.0); \n"
154 cogl_shader_compile(shader);
155 gchar *err = cogl_shader_get_info_log(shader);
159 program = cogl_create_program ();
160 cogl_program_attach_shader (program, shader);
161 cogl_handle_unref (shader);
162 cogl_program_link (program);
164 uniform_no = cogl_program_get_uniform_location (program, "tex");
165 cogl_program_set_uniform_1i (program, uniform_no, 0);
167 uniform_no = cogl_program_get_uniform_location (program, "clut");
168 cogl_program_set_uniform_1i (program, uniform_no, 1);
170 uniform_no = cogl_program_get_uniform_location (program, "scale");
171 cogl_program_set_uniform_1f (program, uniform_no, (double) (CLUT_SIZE - 1) / CLUT_SIZE);
173 uniform_no = cogl_program_get_uniform_location (program, "offset");
174 cogl_program_set_uniform_1f (program, uniform_no, 1.0 / (2 * CLUT_SIZE));
176 cogl_material_set_user_program (material, program);
177 cogl_handle_unref (program);
181 static void rc_prepare_post_process_lut(RendererClutter *rc)
183 PixbufRenderer *pr = rc->pr;
184 static guchar clut[CLUT_SIZE * CLUT_SIZE * CLUT_SIZE * 3];
186 GdkPixbuf *tmp_pixbuf;
190 DEBUG_0("%s clut start", get_exec_time());
192 for (r = 0; r < CLUT_SIZE; r++)
194 for (g = 0; g < CLUT_SIZE; g++)
196 for (b = 0; b < CLUT_SIZE; b++)
198 guchar *ptr = clut + ((b * CLUT_SIZE + g) * CLUT_SIZE + r) * 3;
199 ptr[0] = floor ((double) r / (CLUT_SIZE - 1) * 255.0 + 0.5);
200 ptr[1] = floor ((double) g / (CLUT_SIZE - 1) * 255.0 + 0.5);
201 ptr[2] = floor ((double) b / (CLUT_SIZE - 1) * 255.0 + 0.5);
205 tmp_pixbuf = gdk_pixbuf_new_from_data(clut, GDK_COLORSPACE_RGB, FALSE, 8,
206 CLUT_SIZE * CLUT_SIZE,
208 CLUT_SIZE * CLUT_SIZE * 3,
210 if (pr->func_post_process)
212 pr->func_post_process(pr, &tmp_pixbuf, 0, 0, CLUT_SIZE * CLUT_SIZE, CLUT_SIZE, pr->post_process_user_data);
214 g_object_unref(tmp_pixbuf);
216 DEBUG_0("%s clut upload start", get_exec_time());
217 #if CLUTTER_CHECK_VERSION(1,10,0)
219 CoglContext *ctx = clutter_backend_get_cogl_context(clutter_get_default_backend ());
221 tex3d = cogl_texture_3d_new_from_data(ctx,
222 CLUT_SIZE, CLUT_SIZE, CLUT_SIZE,
223 COGL_PIXEL_FORMAT_RGB_888,
224 COGL_PIXEL_FORMAT_RGB_888,
226 CLUT_SIZE * CLUT_SIZE * 3,
231 tex3d = cogl_texture_3d_new_from_data(CLUT_SIZE, CLUT_SIZE, CLUT_SIZE,
233 COGL_PIXEL_FORMAT_RGB_888,
234 COGL_PIXEL_FORMAT_RGB_888,
236 CLUT_SIZE * CLUT_SIZE * 3,
240 material = clutter_texture_get_cogl_material(CLUTTER_TEXTURE(rc->texture));
241 cogl_material_set_layer(material, 1, tex3d);
242 cogl_handle_unref(tex3d);
243 DEBUG_0("%s clut end", get_exec_time());
244 rc->clut_updated = TRUE;
249 static void rc_sync_actor(RendererClutter *rc)
251 PixbufRenderer *pr = rc->pr;
255 clutter_actor_set_anchor_point(CLUTTER_ACTOR(rc->texture), 0, 0);
257 DEBUG_0("scale %d %d", rc->pr->width, rc->pr->height);
258 DEBUG_0("pos %d %d", rc->pr->x_offset, rc->pr->y_offset);
260 clutter_actor_set_scale(CLUTTER_ACTOR(rc->texture),
261 (gfloat)pr->width / pr->image_width,
262 (gfloat)pr->height / pr->image_height);
264 switch (pr->orientation)
266 case EXIF_ORIENTATION_TOP_LEFT:
268 clutter_actor_set_rotation(CLUTTER_ACTOR(rc->texture),
271 clutter_actor_set_rotation(CLUTTER_ACTOR(rc->texture),
277 case EXIF_ORIENTATION_TOP_RIGHT:
279 clutter_actor_set_rotation(CLUTTER_ACTOR(rc->texture),
282 clutter_actor_set_rotation(CLUTTER_ACTOR(rc->texture),
285 anchor_x = pr->width;
288 case EXIF_ORIENTATION_BOTTOM_RIGHT:
290 clutter_actor_set_rotation(CLUTTER_ACTOR(rc->texture),
293 clutter_actor_set_rotation(CLUTTER_ACTOR(rc->texture),
296 anchor_x = pr->width;
297 anchor_y = pr->height;
299 case EXIF_ORIENTATION_BOTTOM_LEFT:
301 clutter_actor_set_rotation(CLUTTER_ACTOR(rc->texture),
304 clutter_actor_set_rotation(CLUTTER_ACTOR(rc->texture),
308 anchor_y = pr->height;
310 case EXIF_ORIENTATION_LEFT_TOP:
311 clutter_actor_set_rotation(CLUTTER_ACTOR(rc->texture),
314 clutter_actor_set_rotation(CLUTTER_ACTOR(rc->texture),
320 case EXIF_ORIENTATION_RIGHT_TOP:
321 /* rotated -90 (270) */
322 clutter_actor_set_rotation(CLUTTER_ACTOR(rc->texture),
325 clutter_actor_set_rotation(CLUTTER_ACTOR(rc->texture),
329 anchor_y = pr->height;
331 case EXIF_ORIENTATION_RIGHT_BOTTOM:
332 clutter_actor_set_rotation(CLUTTER_ACTOR(rc->texture),
335 clutter_actor_set_rotation(CLUTTER_ACTOR(rc->texture),
338 anchor_x = pr->width;
339 anchor_y = pr->height;
341 case EXIF_ORIENTATION_LEFT_BOTTOM:
343 clutter_actor_set_rotation(CLUTTER_ACTOR(rc->texture),
346 clutter_actor_set_rotation(CLUTTER_ACTOR(rc->texture),
349 anchor_x = pr->width;
353 /* The other values are out of range */
357 clutter_actor_set_position(CLUTTER_ACTOR(rc->texture),
358 pr->x_offset - pr->x_scroll + anchor_x,
359 pr->y_offset - pr->y_scroll + anchor_y);
364 static void rc_area_clip_add(RendererClutter *rc, gfloat x, gfloat y, gfloat w, gfloat h)
367 gfloat clip_x, clip_y, clip_w, clip_h, clip_x2, clip_y2;
372 clutter_actor_get_clip(rc->texture, &clip_x, &clip_y, &clip_w, &clip_h);
374 clip_x2 = clip_x + clip_w;
375 clip_y2 = clip_y + clip_h;
377 if (clip_x > x) clip_x = x;
378 if (clip_x2 < x2) clip_x2 = x2;
379 if (clip_y > y) clip_y = y;
380 if (clip_y2 < y2) clip_y2 = y2;
382 clip_w = clip_x2 - clip_x;
383 clip_h = clip_y2 - clip_y;
385 clutter_actor_set_clip(rc->texture, clip_x, clip_y, clip_w, clip_h);
388 #define MAX_REGION_AREA (32768 * 1024)
390 static gboolean rc_area_changed_cb(gpointer data);
392 static void rc_schedule_texture_upload(RendererClutter *rc)
394 if (g_get_monotonic_time() - rc->last_pixbuf_change < 50000)
396 /* delay clutter redraw until the texture has some data
397 set priority between gtk redraw and clutter redraw */
398 DEBUG_0("%s tex upload high prio", get_exec_time());
399 rc->idle_update = g_idle_add_full(CLUTTER_PRIORITY_REDRAW - 10, rc_area_changed_cb, rc, NULL);
403 /* higher prio than histogram */
404 DEBUG_0("%s tex upload low prio", get_exec_time());
406 rc->idle_update = g_idle_add_full(G_PRIORITY_DEFAULT_IDLE - 5, rc_area_changed_cb, rc, NULL);
410 static gboolean rc_area_changed_cb(gpointer data)
412 RendererClutter *rc = (RendererClutter *)data;
413 PixbufRenderer *pr = rc->pr;
415 RendererClutterAreaParam *par = rc->pending_updates->data;
417 gint h = MAX_REGION_AREA / par->w;
419 if (h > par->h) h = par->h;
422 DEBUG_0("%s upload start", get_exec_time());
425 CoglHandle texture = clutter_texture_get_cogl_texture(CLUTTER_TEXTURE(rc->texture));
427 cogl_texture_set_region(texture,
428 par->x + GET_RIGHT_PIXBUF_OFFSET(rc),
436 gdk_pixbuf_get_has_alpha(pr->pixbuf) ? COGL_PIXEL_FORMAT_BGRA_8888 : COGL_PIXEL_FORMAT_BGR_888,
437 gdk_pixbuf_get_rowstride(pr->pixbuf),
438 gdk_pixbuf_get_pixels(pr->pixbuf));
440 DEBUG_0("%s upload end", get_exec_time());
441 rc_area_clip_add(rc, par->x, par->y, par->w, h);
449 rc->pending_updates = g_list_remove(rc->pending_updates, par);
452 if (!rc->pending_updates)
454 clutter_actor_queue_redraw(CLUTTER_ACTOR(rc->texture));
457 /* FIXME: find a better place for this */
458 if (!rc->clut_updated) rc_prepare_post_process_lut(rc);
463 rc_schedule_texture_upload(rc);
465 return FALSE; /* it was rescheduled, possibly with different prio */
469 static void rc_area_changed(void *renderer, gint src_x, gint src_y, gint src_w, gint src_h)
471 RendererClutter *rc = (RendererClutter *)renderer;
472 PixbufRenderer *pr = rc->pr;
473 RendererClutterAreaParam *par;
475 gint width = gdk_pixbuf_get_width(pr->pixbuf);
476 gint height = gdk_pixbuf_get_height(pr->pixbuf);
478 if (pr->stereo_data == STEREO_PIXBUF_SBS || pr->stereo_data == STEREO_PIXBUF_CROSS)
483 if (!pr_clip_region(src_x, src_y, src_w, src_h,
484 GET_RIGHT_PIXBUF_OFFSET(rc), 0, width, height,
485 &src_x, &src_y, &src_w, &src_h)) return;
487 par = g_new0(RendererClutterAreaParam, 1);
489 par->x = src_x - GET_RIGHT_PIXBUF_OFFSET(rc);
493 rc->pending_updates = g_list_append(rc->pending_updates, par);
494 if (!rc->idle_update)
496 rc_schedule_texture_upload(rc);
500 static void rc_remove_pending_updates(RendererClutter *rc)
502 if (rc->idle_update) g_idle_remove_by_data(rc);
504 while (rc->pending_updates)
506 RendererClutterAreaParam *par = rc->pending_updates->data;
507 rc->pending_updates = g_list_remove(rc->pending_updates, par);
512 static void rc_update_pixbuf(void *renderer, gboolean lazy)
514 RendererClutter *rc = (RendererClutter *)renderer;
515 PixbufRenderer *pr = rc->pr;
517 DEBUG_0("rc_update_pixbuf");
519 rc_remove_pending_updates(rc);
521 rc->last_pixbuf_change = g_get_monotonic_time();
522 DEBUG_0("%s change time reset", get_exec_time());
526 gint width = gdk_pixbuf_get_width(pr->pixbuf);
527 gint height = gdk_pixbuf_get_height(pr->pixbuf);
529 DEBUG_0("pixbuf size %d x %d (%d)", width, height, gdk_pixbuf_get_has_alpha(pr->pixbuf) ? 32 : 24);
531 gint prev_width, prev_height;
533 if (pr->stereo_data == STEREO_PIXBUF_SBS || pr->stereo_data == STEREO_PIXBUF_CROSS)
539 clutter_texture_get_base_size(CLUTTER_TEXTURE(rc->texture), &prev_width, &prev_height);
541 if (width != prev_width || height != prev_height)
543 /* FIXME use CoglMaterial with multiple textures for background, color management, anaglyph, ... */
544 CoglHandle texture = cogl_texture_new_with_size(width,
546 COGL_TEXTURE_NO_AUTO_MIPMAP | COGL_TEXTURE_NO_SLICING,
547 gdk_pixbuf_get_has_alpha(pr->pixbuf) ? COGL_PIXEL_FORMAT_BGRA_8888 : COGL_PIXEL_FORMAT_BGR_888);
549 if (texture != COGL_INVALID_HANDLE)
551 clutter_texture_set_cogl_texture(CLUTTER_TEXTURE(rc->texture), texture);
552 cogl_handle_unref(texture);
555 clutter_actor_set_clip(rc->texture, 0, 0, 0, 0); /* visible area is extended as area_changed events arrive */
558 rc_area_changed(renderer, GET_RIGHT_PIXBUF_OFFSET(rc), 0, width, height);
562 rc->clut_updated = FALSE;
567 static void rc_update_zoom(void *renderer, gboolean lazy)
569 RendererClutter *rc = (RendererClutter *)renderer;
571 DEBUG_0("rc_update_zoom");
575 static void rc_invalidate_region(void *renderer, gint x, gint y, gint w, gint h)
579 static OverlayData *rc_overlay_find(RendererClutter *rc, gint id)
583 work = rc->overlay_list;
586 OverlayData *od = work->data;
589 if (od->id == id) return od;
595 static void rc_overlay_actor_destroy_cb(ClutterActor *actor, gpointer user_data)
597 OverlayData *od = user_data;
601 static void rc_overlay_free(RendererClutter *rc, OverlayData *od)
603 rc->overlay_list = g_list_remove(rc->overlay_list, od);
605 if (od->pixbuf) g_object_unref(G_OBJECT(od->pixbuf));
606 if (od->actor) clutter_actor_destroy(od->actor);
610 static void rc_overlay_update_position(RendererClutter *rc, OverlayData *od)
614 pw = gdk_pixbuf_get_width(od->pixbuf);
615 ph = gdk_pixbuf_get_height(od->pixbuf);
619 if (od->flags & OVL_RELATIVE)
621 if (px < 0) px = rc->pr->viewport_width - pw + px;
622 if (py < 0) py = rc->pr->viewport_height - ph + py;
624 if (od->actor) clutter_actor_set_position(od->actor, px, py);
627 static void rc_overlay_update_positions(RendererClutter *rc)
631 work = rc->overlay_list;
634 OverlayData *od = work->data;
637 rc_overlay_update_position(rc, od);
641 static void rc_overlay_free_all(RendererClutter *rc)
645 work = rc->overlay_list;
648 OverlayData *od = work->data;
651 rc_overlay_free(rc, od);
655 static gint rc_overlay_add(void *renderer, GdkPixbuf *pixbuf, gint x, gint y, OverlayRendererFlags flags)
657 RendererClutter *rc = (RendererClutter *)renderer;
658 PixbufRenderer *pr = rc->pr;
662 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), -1);
663 g_return_val_if_fail(pixbuf != NULL, -1);
666 while (rc_overlay_find(rc, id)) id++;
668 od = g_new0(OverlayData, 1);
671 g_object_ref(G_OBJECT(od->pixbuf));
676 od->actor = gtk_clutter_texture_new();
677 g_signal_connect (od->actor, "destroy", G_CALLBACK(rc_overlay_actor_destroy_cb), od);
679 gtk_clutter_texture_set_from_pixbuf(GTK_CLUTTER_TEXTURE (od->actor), pixbuf, NULL);
680 clutter_container_add_actor(CLUTTER_CONTAINER(rc->group), od->actor);
682 rc->overlay_list = g_list_append(rc->overlay_list, od);
683 rc_overlay_update_position(rc, od);
688 static void rc_overlay_set(void *renderer, gint id, GdkPixbuf *pixbuf, gint x, gint y)
690 RendererClutter *rc = (RendererClutter *)renderer;
691 PixbufRenderer *pr = rc->pr;
694 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
696 od = rc_overlay_find(rc, id);
701 g_object_ref(G_OBJECT(pixbuf));
702 g_object_unref(G_OBJECT(od->pixbuf));
708 if (od->actor) gtk_clutter_texture_set_from_pixbuf(GTK_CLUTTER_TEXTURE(od->actor), pixbuf, NULL);
709 rc_overlay_update_position(rc, od);
713 rc_overlay_free(rc, od);
717 static gboolean rc_overlay_get(void *renderer, gint id, GdkPixbuf **pixbuf, gint *x, gint *y)
719 RendererClutter *rc = (RendererClutter *)renderer;
721 PixbufRenderer *pr = rc->pr;
724 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
726 od = rc_overlay_find(rc, id);
727 if (!od) return FALSE;
729 if (pixbuf) *pixbuf = od->pixbuf;
737 static void rc_update_viewport(void *renderer)
739 RendererClutter *rc = (RendererClutter *)renderer;
740 ClutterColor stage_color = { 0x00, 0x00, 0x00, 0xff };
742 rc->stereo_off_x = 0;
743 rc->stereo_off_y = 0;
745 if (rc->stereo_mode & PR_STEREO_RIGHT)
747 if (rc->stereo_mode & PR_STEREO_HORIZ)
749 rc->stereo_off_x = rc->pr->viewport_width;
751 else if (rc->stereo_mode & PR_STEREO_VERT)
753 rc->stereo_off_y = rc->pr->viewport_height;
755 else if (rc->stereo_mode & PR_STEREO_FIXED)
757 rc->stereo_off_x = rc->pr->stereo_fixed_x_right;
758 rc->stereo_off_y = rc->pr->stereo_fixed_y_right;
763 if (rc->stereo_mode & PR_STEREO_FIXED)
765 rc->stereo_off_x = rc->pr->stereo_fixed_x_left;
766 rc->stereo_off_y = rc->pr->stereo_fixed_y_left;
769 DEBUG_0("rc_update_viewport scale %d %d", rc->pr->width, rc->pr->height);
771 clutter_stage_set_color(CLUTTER_STAGE(rc->stage), &stage_color);
774 clutter_actor_set_size(rc->group, rc->pr->viewport_width, rc->pr->viewport_height);
775 clutter_actor_set_position(rc->group, rc->stereo_off_x, rc->stereo_off_y);
777 clutter_actor_set_rotation(CLUTTER_ACTOR(rc->group),
779 (rc->stereo_mode & PR_STEREO_MIRROR) ? 180 : 0,
780 rc->pr->viewport_width / 2.0, 0, 0);
782 clutter_actor_set_rotation(CLUTTER_ACTOR(rc->group),
784 (rc->stereo_mode & PR_STEREO_FLIP) ? 180 : 0,
785 0, rc->pr->viewport_height / 2.0, 0);
788 rc_overlay_update_positions(rc);
791 static void rc_scroll(void *renderer, gint x_off, gint y_off)
793 DEBUG_0("rc_scroll");
794 RendererClutter *rc = (RendererClutter *)renderer;
799 static void rc_stereo_set(void *renderer, gint stereo_mode)
801 RendererClutter *rc = (RendererClutter *)renderer;
803 rc->stereo_mode = stereo_mode;
806 static void rc_free(void *renderer)
808 RendererClutter *rc = (RendererClutter *)renderer;
809 GtkWidget *widget = gtk_bin_get_child(GTK_BIN(rc->pr));
811 rc_remove_pending_updates(rc);
813 rc_overlay_free_all(rc);
817 /* widget still exists */
818 clutter_actor_destroy(rc->group);
819 if (clutter_group_get_n_children(CLUTTER_GROUP(rc->stage)) == 0)
821 DEBUG_1("destroy %p", rc->widget);
822 /* this was the last user */
823 gtk_widget_destroy(rc->widget);
827 DEBUG_1("keep %p", rc->widget);
828 g_object_unref(G_OBJECT(rc->widget));
834 RendererFuncs *renderer_clutter_new(PixbufRenderer *pr)
836 RendererClutter *rc = g_new0(RendererClutter, 1);
840 rc->f.area_changed = rc_area_changed;
841 rc->f.update_pixbuf = rc_update_pixbuf;
842 rc->f.free = rc_free;
843 rc->f.update_zoom = rc_update_zoom;
844 rc->f.invalidate_region = rc_invalidate_region;
845 rc->f.scroll = rc_scroll;
846 rc->f.update_viewport = rc_update_viewport;
849 rc->f.overlay_add = rc_overlay_add;
850 rc->f.overlay_set = rc_overlay_set;
851 rc->f.overlay_get = rc_overlay_get;
853 rc->f.stereo_set = rc_stereo_set;
857 rc->stereo_off_x = 0;
858 rc->stereo_off_y = 0;
861 rc->pending_updates = NULL;
863 rc->widget = gtk_bin_get_child(GTK_BIN(rc->pr));
867 if (!GTK_CLUTTER_IS_EMBED(rc->widget))
870 DEBUG_0("pixbuf renderer has a child of other type than gtk_clutter_embed");
876 rc->widget = gtk_clutter_embed_new();
877 gtk_container_add(GTK_CONTAINER(rc->pr), rc->widget);
880 gtk_event_box_set_above_child (GTK_EVENT_BOX(rc->pr), TRUE);
881 rc->stage = gtk_clutter_embed_get_stage (GTK_CLUTTER_EMBED (rc->widget));
883 rc->group = clutter_group_new();
884 clutter_container_add_actor(CLUTTER_CONTAINER(rc->stage), rc->group);
885 clutter_actor_set_clip_to_allocation(CLUTTER_ACTOR(rc->group), TRUE);
887 rc->texture = clutter_texture_new ();
888 clutter_container_add_actor(CLUTTER_CONTAINER(rc->group), rc->texture);
889 rc_set_shader(clutter_texture_get_cogl_material(CLUTTER_TEXTURE(rc->texture)));
890 g_object_ref(G_OBJECT(rc->widget));
892 gtk_widget_show(rc->widget);
893 return (RendererFuncs *) rc;
897 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */