2 * Copyright (C) 2006 John Ellis
3 * Copyright (C) 2008 - 2016 The Geeqie Team
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
28 #include "pixbuf-renderer.h"
29 #include "renderer-clutter.h"
39 #define COGL_ENABLE_EXPERIMENTAL_API
40 #define CLUTTER_ENABLE_EXPERIMENTAL_API
42 #include <clutter/clutter.h>
44 #include <clutter-gtk/clutter-gtk.h>
52 #include "pixbuf_util.h"
56 EXIF_ORIENTATION_UNKNOWN = 0,
57 EXIF_ORIENTATION_TOP_LEFT = 1,
58 EXIF_ORIENTATION_TOP_RIGHT = 2,
59 EXIF_ORIENTATION_BOTTOM_RIGHT = 3,
60 EXIF_ORIENTATION_BOTTOM_LEFT = 4,
61 EXIF_ORIENTATION_LEFT_TOP = 5,
62 EXIF_ORIENTATION_RIGHT_TOP = 6,
63 EXIF_ORIENTATION_RIGHT_BOTTOM = 7,
64 EXIF_ORIENTATION_LEFT_BOTTOM = 8
65 } ExifOrientationType;
68 #define GET_RIGHT_PIXBUF_OFFSET(rc) \
69 (( (rc->stereo_mode & PR_STEREO_RIGHT) && !(rc->stereo_mode & PR_STEREO_SWAP)) || \
70 (!(rc->stereo_mode & PR_STEREO_RIGHT) && (rc->stereo_mode & PR_STEREO_SWAP)) ? \
71 rc->pr->stereo_pixbuf_offset_right : rc->pr->stereo_pixbuf_offset_left )
73 #define GET_LEFT_PIXBUF_OFFSET(rc) \
74 ((!(rc->stereo_mode & PR_STEREO_RIGHT) && !(rc->stereo_mode & PR_STEREO_SWAP)) || \
75 ( (rc->stereo_mode & PR_STEREO_RIGHT) && (rc->stereo_mode & PR_STEREO_SWAP)) ? \
76 rc->pr->stereo_pixbuf_offset_right : rc->pr->stereo_pixbuf_offset_left )
79 typedef struct _OverlayData OverlayData;
90 OverlayRendererFlags flags;
93 typedef struct _RendererClutter RendererClutter;
95 struct _RendererClutter
106 GList *pending_updates;
111 GtkWidget *widget; /* widget and stage may be shared with other renderers */
113 ClutterActor *texture;
116 gboolean clut_updated;
117 gint64 last_pixbuf_change;
120 typedef struct _RendererClutterAreaParam RendererClutterAreaParam;
121 struct _RendererClutterAreaParam {
129 typedef struct _RendererClutterShaderInfo RendererClutterShaderInfo;
130 struct _RendererClutterShaderInfo {
132 float checkercolor0[3];
133 float checkercolor1[3];
138 static void rc_set_shader(CoglHandle material, const RendererClutterShaderInfo *shaderInfo)
144 shader = cogl_create_shader (COGL_SHADER_TYPE_FRAGMENT);
145 cogl_shader_source (shader,
146 "vec3 checker(vec2 texc, vec3 color0, vec3 color1) \n"
148 " if (mod(floor(texc.x) + floor(texc.y), 2.0) == 0.0) \n"
154 "uniform sampler2D tex; \n"
155 "uniform sampler3D clut; \n"
156 "uniform float scale; \n"
157 "uniform float offset; \n"
158 "uniform float checkersize; \n"
159 "uniform vec3 color0; \n"
160 "uniform vec3 color1; \n"
164 " vec3 bg = checker(gl_FragCoord.xy / checkersize, color0, color1); \n"
165 " vec4 img4 = texture2D(tex, gl_TexCoord[0].xy); \n"
166 " vec3 img3 = img4.bgr; \n"
167 " img3 = img3 * scale + offset; \n"
168 " img3 = texture3D(clut, img3).rgb; \n"
170 " gl_FragColor = vec4(img3 * img4.a + bg * (1.0 - img4.a), 1.0); \n"
173 cogl_shader_compile(shader);
174 gchar *err = cogl_shader_get_info_log(shader);
178 program = cogl_create_program ();
179 cogl_program_attach_shader (program, shader);
180 cogl_handle_unref (shader);
181 cogl_program_link (program);
183 uniform_no = cogl_program_get_uniform_location (program, "tex");
184 cogl_program_set_uniform_1i (program, uniform_no, 0);
186 uniform_no = cogl_program_get_uniform_location (program, "clut");
187 cogl_program_set_uniform_1i (program, uniform_no, 1);
189 uniform_no = cogl_program_get_uniform_location (program, "scale");
190 cogl_program_set_uniform_1f (program, uniform_no, (double) (CLUT_SIZE - 1) / CLUT_SIZE);
192 uniform_no = cogl_program_get_uniform_location (program, "offset");
193 cogl_program_set_uniform_1f (program, uniform_no, 1.0 / (2 * CLUT_SIZE));
195 uniform_no = cogl_program_get_uniform_location (program, "checkersize");
196 cogl_program_set_uniform_1f (program, uniform_no, shaderInfo->checkersize);
198 uniform_no = cogl_program_get_uniform_location (program, "color0");
199 cogl_program_set_uniform_float (program, uniform_no, 3, 1, shaderInfo->checkercolor0);
201 uniform_no = cogl_program_get_uniform_location (program, "color1");
202 cogl_program_set_uniform_float (program, uniform_no, 3, 1, shaderInfo->checkercolor1);
204 cogl_material_set_user_program (material, program);
205 cogl_handle_unref (program);
209 static void rc_prepare_post_process_lut(RendererClutter *rc)
211 PixbufRenderer *pr = rc->pr;
212 static guchar clut[CLUT_SIZE * CLUT_SIZE * CLUT_SIZE * 3];
214 GdkPixbuf *tmp_pixbuf;
218 DEBUG_0("%s clut start", get_exec_time());
220 for (r = 0; r < CLUT_SIZE; r++)
222 for (g = 0; g < CLUT_SIZE; g++)
224 for (b = 0; b < CLUT_SIZE; b++)
226 guchar *ptr = clut + ((b * CLUT_SIZE + g) * CLUT_SIZE + r) * 3;
227 ptr[0] = floor ((double) r / (CLUT_SIZE - 1) * 255.0 + 0.5);
228 ptr[1] = floor ((double) g / (CLUT_SIZE - 1) * 255.0 + 0.5);
229 ptr[2] = floor ((double) b / (CLUT_SIZE - 1) * 255.0 + 0.5);
233 tmp_pixbuf = gdk_pixbuf_new_from_data(clut, GDK_COLORSPACE_RGB, FALSE, 8,
234 CLUT_SIZE * CLUT_SIZE,
236 CLUT_SIZE * CLUT_SIZE * 3,
238 if (pr->func_post_process)
240 pr->func_post_process(pr, &tmp_pixbuf, 0, 0, CLUT_SIZE * CLUT_SIZE, CLUT_SIZE, pr->post_process_user_data);
242 g_object_unref(tmp_pixbuf);
244 DEBUG_0("%s clut upload start", get_exec_time());
245 #if COGL_VERSION_CHECK(1,18,2)
247 CoglContext *ctx = clutter_backend_get_cogl_context(clutter_get_default_backend ());
249 tex3d = cogl_texture_3d_new_from_data(ctx,
250 CLUT_SIZE, CLUT_SIZE, CLUT_SIZE,
251 COGL_PIXEL_FORMAT_RGB_888,
253 CLUT_SIZE * CLUT_SIZE * 3,
257 #elif COGL_VERSION_CHECK(1,10,4)
259 CoglContext *ctx = clutter_backend_get_cogl_context(clutter_get_default_backend ());
261 tex3d = cogl_texture_3d_new_from_data(ctx,
262 CLUT_SIZE, CLUT_SIZE, CLUT_SIZE,
263 COGL_PIXEL_FORMAT_RGB_888,
264 COGL_PIXEL_FORMAT_RGB_888,
266 CLUT_SIZE * CLUT_SIZE * 3,
271 tex3d = cogl_texture_3d_new_from_data(CLUT_SIZE, CLUT_SIZE, CLUT_SIZE,
273 COGL_PIXEL_FORMAT_RGB_888,
274 COGL_PIXEL_FORMAT_RGB_888,
276 CLUT_SIZE * CLUT_SIZE * 3,
280 material = clutter_texture_get_cogl_material(CLUTTER_TEXTURE(rc->texture));
281 cogl_material_set_layer(material, 1, tex3d);
282 cogl_handle_unref(tex3d);
283 DEBUG_0("%s clut end", get_exec_time());
284 rc->clut_updated = TRUE;
289 static void rc_sync_actor(RendererClutter *rc)
291 PixbufRenderer *pr = rc->pr;
297 clutter_actor_set_anchor_point(CLUTTER_ACTOR(rc->texture), 0, 0);
299 DEBUG_0("scale %d %d", rc->pr->width, rc->pr->height);
300 DEBUG_0("pos %d %d", rc->pr->x_offset, rc->pr->y_offset);
302 clutter_actor_set_scale(CLUTTER_ACTOR(rc->texture),
303 (gfloat)pr->width / pr->image_width,
304 (gfloat)pr->height / pr->image_height);
306 switch (pr->orientation)
308 case EXIF_ORIENTATION_TOP_LEFT:
309 /* 1 - Horizontal (normal) */
311 case EXIF_ORIENTATION_TOP_RIGHT:
312 /* 2 - Mirror horizontal */
314 anchor_x = pr->width;
316 case EXIF_ORIENTATION_BOTTOM_RIGHT:
319 anchor_x = pr->width;
320 anchor_y = pr->height;
322 case EXIF_ORIENTATION_BOTTOM_LEFT:
323 /* 4 - Mirror vertical */
326 anchor_y = pr->height;
328 case EXIF_ORIENTATION_LEFT_TOP:
329 /* 5 - Mirror horizontal and rotate 270 CW */
333 case EXIF_ORIENTATION_RIGHT_TOP:
334 /* 6 - Rotate 90 CW */
336 anchor_x = pr->width;
338 case EXIF_ORIENTATION_RIGHT_BOTTOM:
339 /* 7 - Mirror horizontal and rotate 90 CW */
342 anchor_x = pr->width;
343 anchor_y = pr->height;
345 case EXIF_ORIENTATION_LEFT_BOTTOM:
346 /* 8 - Rotate 270 CW */
348 anchor_y = pr->height;
351 /* The other values are out of range */
355 clutter_actor_set_rotation( CLUTTER_ACTOR(rc->texture),
358 clutter_actor_set_rotation( CLUTTER_ACTOR(rc->texture),
362 clutter_actor_set_position(CLUTTER_ACTOR(rc->texture),
363 pr->x_offset - pr->x_scroll + anchor_x,
364 pr->y_offset - pr->y_scroll + anchor_y);
369 static void rc_area_clip_add(RendererClutter *rc, gfloat x, gfloat y, gfloat w, gfloat h)
372 gfloat clip_x, clip_y, clip_w, clip_h, clip_x2, clip_y2;
377 clutter_actor_get_clip(rc->texture, &clip_x, &clip_y, &clip_w, &clip_h);
379 clip_x2 = clip_x + clip_w;
380 clip_y2 = clip_y + clip_h;
382 if (clip_x > x) clip_x = x;
383 if (clip_x2 < x2) clip_x2 = x2;
384 if (clip_y > y) clip_y = y;
385 if (clip_y2 < y2) clip_y2 = y2;
387 clip_w = clip_x2 - clip_x;
388 clip_h = clip_y2 - clip_y;
390 clutter_actor_set_clip(rc->texture, clip_x, clip_y, clip_w, clip_h);
393 #define MAX_REGION_AREA (32768 * 1024)
395 static gboolean rc_area_changed_cb(gpointer data);
397 static void rc_schedule_texture_upload(RendererClutter *rc)
399 if (g_get_monotonic_time() - rc->last_pixbuf_change < 50000)
401 /* delay clutter redraw until the texture has some data
402 set priority between gtk redraw and clutter redraw */
403 DEBUG_0("%s tex upload high prio", get_exec_time());
404 rc->idle_update = g_idle_add_full(CLUTTER_PRIORITY_REDRAW - 10, rc_area_changed_cb, rc, NULL);
408 /* higher prio than histogram */
409 DEBUG_0("%s tex upload low prio", get_exec_time());
411 rc->idle_update = g_idle_add_full(G_PRIORITY_DEFAULT_IDLE - 5, rc_area_changed_cb, rc, NULL);
415 static gboolean rc_area_changed_cb(gpointer data)
417 RendererClutter *rc = (RendererClutter *)data;
418 PixbufRenderer *pr = rc->pr;
420 RendererClutterAreaParam *par = rc->pending_updates->data;
422 gint h = MAX_REGION_AREA / par->w;
424 if (h > par->h) h = par->h;
427 DEBUG_0("%s upload start", get_exec_time());
430 CoglHandle texture = clutter_texture_get_cogl_texture(CLUTTER_TEXTURE(rc->texture));
432 cogl_texture_set_region(texture,
433 par->x + GET_RIGHT_PIXBUF_OFFSET(rc),
441 gdk_pixbuf_get_has_alpha(pr->pixbuf) ? COGL_PIXEL_FORMAT_BGRA_8888 : COGL_PIXEL_FORMAT_BGR_888,
442 gdk_pixbuf_get_rowstride(pr->pixbuf),
443 gdk_pixbuf_get_pixels(pr->pixbuf));
445 DEBUG_0("%s upload end", get_exec_time());
446 rc_area_clip_add(rc, par->x, par->y, par->w, h);
454 rc->pending_updates = g_list_remove(rc->pending_updates, par);
457 if (!rc->pending_updates)
459 clutter_actor_queue_redraw(CLUTTER_ACTOR(rc->texture));
462 /* FIXME: find a better place for this */
463 if (!rc->clut_updated) rc_prepare_post_process_lut(rc);
468 rc_schedule_texture_upload(rc);
470 return FALSE; /* it was rescheduled, possibly with different prio */
474 static void rc_area_changed(void *renderer, gint src_x, gint src_y, gint src_w, gint src_h)
476 RendererClutter *rc = (RendererClutter *)renderer;
477 PixbufRenderer *pr = rc->pr;
478 RendererClutterAreaParam *par;
480 gint width = gdk_pixbuf_get_width(pr->pixbuf);
481 gint height = gdk_pixbuf_get_height(pr->pixbuf);
483 if (pr->stereo_data == STEREO_PIXBUF_SBS || pr->stereo_data == STEREO_PIXBUF_CROSS)
488 if (!pr_clip_region(src_x, src_y, src_w, src_h,
489 GET_RIGHT_PIXBUF_OFFSET(rc), 0, width, height,
490 &src_x, &src_y, &src_w, &src_h)) return;
492 par = g_new0(RendererClutterAreaParam, 1);
494 par->x = src_x - GET_RIGHT_PIXBUF_OFFSET(rc);
498 rc->pending_updates = g_list_append(rc->pending_updates, par);
499 if (!rc->idle_update)
501 rc_schedule_texture_upload(rc);
505 static void rc_remove_pending_updates(RendererClutter *rc)
507 if (rc->idle_update) g_idle_remove_by_data(rc);
509 while (rc->pending_updates)
511 RendererClutterAreaParam *par = rc->pending_updates->data;
512 rc->pending_updates = g_list_remove(rc->pending_updates, par);
517 static void rc_update_pixbuf(void *renderer, gboolean lazy)
519 RendererClutter *rc = (RendererClutter *)renderer;
520 PixbufRenderer *pr = rc->pr;
522 DEBUG_0("rc_update_pixbuf");
524 rc_remove_pending_updates(rc);
526 rc->last_pixbuf_change = g_get_monotonic_time();
527 DEBUG_0("%s change time reset", get_exec_time());
531 gint width = gdk_pixbuf_get_width(pr->pixbuf);
532 gint height = gdk_pixbuf_get_height(pr->pixbuf);
534 DEBUG_0("pixbuf size %d x %d (%d)", width, height, gdk_pixbuf_get_has_alpha(pr->pixbuf) ? 32 : 24);
536 gint prev_width, prev_height;
538 if (pr->stereo_data == STEREO_PIXBUF_SBS || pr->stereo_data == STEREO_PIXBUF_CROSS)
544 clutter_texture_get_base_size(CLUTTER_TEXTURE(rc->texture), &prev_width, &prev_height);
546 if (width != prev_width || height != prev_height)
548 /* FIXME use CoglMaterial with multiple textures for background, color management, anaglyph, ... */
549 CoglHandle texture = cogl_texture_new_with_size(width,
551 COGL_TEXTURE_NO_AUTO_MIPMAP | COGL_TEXTURE_NO_SLICING,
552 gdk_pixbuf_get_has_alpha(pr->pixbuf) ? COGL_PIXEL_FORMAT_BGRA_8888 : COGL_PIXEL_FORMAT_BGR_888);
554 if (texture != COGL_INVALID_HANDLE)
556 clutter_texture_set_cogl_texture(CLUTTER_TEXTURE(rc->texture), texture);
557 cogl_handle_unref(texture);
560 clutter_actor_set_clip(rc->texture, 0, 0, 0, 0); /* visible area is extended as area_changed events arrive */
563 rc_area_changed(renderer, GET_RIGHT_PIXBUF_OFFSET(rc), 0, width, height);
567 rc->clut_updated = FALSE;
572 static void rc_update_zoom(void *renderer, gboolean lazy)
574 RendererClutter *rc = (RendererClutter *)renderer;
576 DEBUG_0("rc_update_zoom");
580 static void rc_invalidate_region(void *renderer, gint x, gint y, gint w, gint h)
584 static OverlayData *rc_overlay_find(RendererClutter *rc, gint id)
588 work = rc->overlay_list;
591 OverlayData *od = work->data;
594 if (od->id == id) return od;
600 static void rc_overlay_actor_destroy_cb(ClutterActor *actor, gpointer user_data)
602 OverlayData *od = user_data;
606 static void rc_overlay_free(RendererClutter *rc, OverlayData *od)
608 rc->overlay_list = g_list_remove(rc->overlay_list, od);
610 if (od->pixbuf) g_object_unref(G_OBJECT(od->pixbuf));
611 if (od->actor) clutter_actor_destroy(od->actor);
615 static void rc_overlay_update_position(RendererClutter *rc, OverlayData *od)
619 pw = gdk_pixbuf_get_width(od->pixbuf);
620 ph = gdk_pixbuf_get_height(od->pixbuf);
624 if (od->flags & OVL_RELATIVE)
626 if (px < 0) px = rc->pr->viewport_width - pw + px;
627 if (py < 0) py = rc->pr->viewport_height - ph + py;
629 if (od->actor) clutter_actor_set_position(od->actor, px, py);
632 static void rc_overlay_update_positions(RendererClutter *rc)
636 work = rc->overlay_list;
639 OverlayData *od = work->data;
642 rc_overlay_update_position(rc, od);
646 static void rc_overlay_free_all(RendererClutter *rc)
650 work = rc->overlay_list;
653 OverlayData *od = work->data;
656 rc_overlay_free(rc, od);
660 static gint rc_overlay_add(void *renderer, GdkPixbuf *pixbuf, gint x, gint y, OverlayRendererFlags flags)
662 RendererClutter *rc = (RendererClutter *)renderer;
663 PixbufRenderer *pr = rc->pr;
667 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), -1);
668 g_return_val_if_fail(pixbuf != NULL, -1);
671 while (rc_overlay_find(rc, id)) id++;
673 od = g_new0(OverlayData, 1);
676 g_object_ref(G_OBJECT(od->pixbuf));
681 od->actor = gtk_clutter_texture_new();
682 g_signal_connect (od->actor, "destroy", G_CALLBACK(rc_overlay_actor_destroy_cb), od);
684 gtk_clutter_texture_set_from_pixbuf(GTK_CLUTTER_TEXTURE (od->actor), pixbuf, NULL);
685 clutter_container_add_actor(CLUTTER_CONTAINER(rc->group), od->actor);
687 rc->overlay_list = g_list_append(rc->overlay_list, od);
688 rc_overlay_update_position(rc, od);
693 static void rc_overlay_set(void *renderer, gint id, GdkPixbuf *pixbuf, gint x, gint y)
695 RendererClutter *rc = (RendererClutter *)renderer;
696 PixbufRenderer *pr = rc->pr;
699 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
701 od = rc_overlay_find(rc, id);
706 g_object_ref(G_OBJECT(pixbuf));
707 g_object_unref(G_OBJECT(od->pixbuf));
713 if (od->actor) gtk_clutter_texture_set_from_pixbuf(GTK_CLUTTER_TEXTURE(od->actor), pixbuf, NULL);
714 rc_overlay_update_position(rc, od);
718 rc_overlay_free(rc, od);
722 static gboolean rc_overlay_get(void *renderer, gint id, GdkPixbuf **pixbuf, gint *x, gint *y)
724 RendererClutter *rc = (RendererClutter *)renderer;
726 PixbufRenderer *pr = rc->pr;
729 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
731 od = rc_overlay_find(rc, id);
732 if (!od) return FALSE;
734 if (pixbuf) *pixbuf = od->pixbuf;
742 static void rc_update_viewport(void *renderer)
744 RendererClutter *rc = (RendererClutter *)renderer;
745 ClutterColor stage_color = { 0x00, 0x00, 0x00, 0xff };
747 rc->stereo_off_x = 0;
748 rc->stereo_off_y = 0;
750 if (rc->stereo_mode & PR_STEREO_RIGHT)
752 if (rc->stereo_mode & PR_STEREO_HORIZ)
754 rc->stereo_off_x = rc->pr->viewport_width;
756 else if (rc->stereo_mode & PR_STEREO_VERT)
758 rc->stereo_off_y = rc->pr->viewport_height;
760 else if (rc->stereo_mode & PR_STEREO_FIXED)
762 rc->stereo_off_x = rc->pr->stereo_fixed_x_right;
763 rc->stereo_off_y = rc->pr->stereo_fixed_y_right;
768 if (rc->stereo_mode & PR_STEREO_FIXED)
770 rc->stereo_off_x = rc->pr->stereo_fixed_x_left;
771 rc->stereo_off_y = rc->pr->stereo_fixed_y_left;
774 DEBUG_0("rc_update_viewport scale %d %d", rc->pr->width, rc->pr->height);
776 clutter_stage_set_color(CLUTTER_STAGE(rc->stage), &stage_color);
779 clutter_actor_set_size(rc->group, rc->pr->viewport_width, rc->pr->viewport_height);
780 clutter_actor_set_position(rc->group, rc->stereo_off_x, rc->stereo_off_y);
782 clutter_actor_set_rotation(CLUTTER_ACTOR(rc->group),
784 (rc->stereo_mode & PR_STEREO_MIRROR) ? 180 : 0,
785 rc->pr->viewport_width / 2.0, 0, 0);
787 clutter_actor_set_rotation(CLUTTER_ACTOR(rc->group),
789 (rc->stereo_mode & PR_STEREO_FLIP) ? 180 : 0,
790 0, rc->pr->viewport_height / 2.0, 0);
793 rc_overlay_update_positions(rc);
796 static void rc_scroll(void *renderer, gint x_off, gint y_off)
798 DEBUG_0("rc_scroll");
799 RendererClutter *rc = (RendererClutter *)renderer;
804 static void rc_stereo_set(void *renderer, gint stereo_mode)
806 RendererClutter *rc = (RendererClutter *)renderer;
808 rc->stereo_mode = stereo_mode;
811 static void rc_free(void *renderer)
813 RendererClutter *rc = (RendererClutter *)renderer;
814 GtkWidget *widget = gtk_bin_get_child(GTK_BIN(rc->pr));
816 rc_remove_pending_updates(rc);
818 rc_overlay_free_all(rc);
822 /* widget still exists */
823 clutter_actor_destroy(rc->group);
824 if (clutter_group_get_n_children(CLUTTER_GROUP(rc->stage)) == 0)
826 DEBUG_1("destroy %p", rc->widget);
827 /* this was the last user */
828 gtk_widget_destroy(rc->widget);
832 DEBUG_1("keep %p", rc->widget);
833 g_object_unref(G_OBJECT(rc->widget));
839 /* initialize shader for transparency background checker */
840 static void renderer_clutter_init_checker_shader(RendererClutter *rc)
842 const RendererClutterShaderInfo info = {
843 16.0, /* checker size */
844 {0.6, 0.6, 0.6}, /* color 0 */
845 {0.4, 0.4, 0.4} /* color 1 */
847 rc_set_shader(clutter_texture_get_cogl_material(CLUTTER_TEXTURE(rc->texture)), &info);
850 RendererFuncs *renderer_clutter_new(PixbufRenderer *pr)
852 RendererClutter *rc = g_new0(RendererClutter, 1);
856 rc->f.area_changed = rc_area_changed;
857 rc->f.update_pixbuf = rc_update_pixbuf;
858 rc->f.free = rc_free;
859 rc->f.update_zoom = rc_update_zoom;
860 rc->f.invalidate_region = rc_invalidate_region;
861 rc->f.scroll = rc_scroll;
862 rc->f.update_viewport = rc_update_viewport;
865 rc->f.overlay_add = rc_overlay_add;
866 rc->f.overlay_set = rc_overlay_set;
867 rc->f.overlay_get = rc_overlay_get;
869 rc->f.stereo_set = rc_stereo_set;
873 rc->stereo_off_x = 0;
874 rc->stereo_off_y = 0;
877 rc->pending_updates = NULL;
879 rc->widget = gtk_bin_get_child(GTK_BIN(rc->pr));
883 if (!GTK_CLUTTER_IS_EMBED(rc->widget))
886 DEBUG_0("pixbuf renderer has a child of other type than gtk_clutter_embed");
892 rc->widget = gtk_clutter_embed_new();
893 gtk_container_add(GTK_CONTAINER(rc->pr), rc->widget);
896 gtk_event_box_set_above_child (GTK_EVENT_BOX(rc->pr), TRUE);
897 rc->stage = gtk_clutter_embed_get_stage (GTK_CLUTTER_EMBED (rc->widget));
899 rc->group = clutter_group_new();
900 clutter_container_add_actor(CLUTTER_CONTAINER(rc->stage), rc->group);
901 clutter_actor_set_clip_to_allocation(CLUTTER_ACTOR(rc->group), TRUE);
903 rc->texture = clutter_texture_new ();
904 clutter_container_add_actor(CLUTTER_CONTAINER(rc->group), rc->texture);
906 renderer_clutter_init_checker_shader(rc);
907 g_object_ref(G_OBJECT(rc->widget));
909 gtk_widget_show(rc->widget);
910 return (RendererFuncs *) rc;
914 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */