Trim trailing white spaces.
[geeqie.git] / src / renderer-clutter.c
index 5f0f612..0369980 100644 (file)
 #include "layout.h"
 
 #include <gtk/gtk.h>
+
+#ifdef HAVE_CLUTTER
+
+/* for 3d texture */
+#define COGL_ENABLE_EXPERIMENTAL_API
+#define CLUTTER_ENABLE_EXPERIMENTAL_API
+
 #include <clutter/clutter.h>
 
 #include <clutter-gtk/clutter-gtk.h>
@@ -50,6 +57,16 @@ typedef enum {
 } ExifOrientationType;
 #endif
 
+#define GET_RIGHT_PIXBUF_OFFSET(rc) \
+        (( (rc->stereo_mode & PR_STEREO_RIGHT) && !(rc->stereo_mode & PR_STEREO_SWAP)) || \
+         (!(rc->stereo_mode & PR_STEREO_RIGHT) &&  (rc->stereo_mode & PR_STEREO_SWAP)) ?  \
+          rc->pr->stereo_pixbuf_offset_right : rc->pr->stereo_pixbuf_offset_left )
+
+#define GET_LEFT_PIXBUF_OFFSET(rc) \
+        ((!(rc->stereo_mode & PR_STEREO_RIGHT) && !(rc->stereo_mode & PR_STEREO_SWAP)) || \
+         ( (rc->stereo_mode & PR_STEREO_RIGHT) &&  (rc->stereo_mode & PR_STEREO_SWAP)) ?  \
+          rc->pr->stereo_pixbuf_offset_right : rc->pr->stereo_pixbuf_offset_left )
+
 
 typedef struct _OverlayData OverlayData;
 struct _OverlayData
@@ -57,7 +74,7 @@ struct _OverlayData
        gint id;
 
        GdkPixbuf *pixbuf;
-       GdkWindow *window;
+       ClutterActor *actor;
 
        gint x;
        gint y;
@@ -77,15 +94,158 @@ struct _RendererClutter
        gint stereo_off_x;
        gint stereo_off_y;
        
-       gint x_scroll;  /* allow local adjustment and mirroring */
-       gint y_scroll;
+       
+       GList *pending_updates;
+       gint idle_update;
+       
+       GList *overlay_list;
        
        GtkWidget *widget; /* widget and stage may be shared with other renderers */
        ClutterActor *stage;
        ClutterActor *texture;
        ClutterActor *group;
+       
+       gboolean clut_updated;
+       gint64 last_pixbuf_change;
 };
 
+typedef struct _RendererClutterAreaParam RendererClutterAreaParam;
+struct _RendererClutterAreaParam {
+       RendererClutter *rc;
+       gint x;
+       gint y;
+       gint w;
+       gint h;
+};
+
+#define CLUT_SIZE      32
+
+static void rc_set_shader(CoglHandle material)
+{
+  CoglHandle shader;
+  CoglHandle program;
+  gint uniform_no;
+  shader = cogl_create_shader (COGL_SHADER_TYPE_FRAGMENT);
+  cogl_shader_source (shader,
+  "vec3 checker(vec2 texc, vec3 color0, vec3 color1)                                           \n"
+  "{                                                                                           \n"
+  "  if (mod(floor(texc.x) + floor(texc.y), 2.0) == 0.0)                                       \n"
+  "    return color0;                                                                          \n"
+  "  else                                                                                      \n"
+  "    return color1;                                                                          \n"
+  "}                                                                                           \n"
+  "                                                                                            \n"
+  "uniform sampler2D tex;                                                                      \n"
+  "uniform sampler3D clut;                                                                     \n"
+  "uniform float scale;                                                                                \n"
+  "uniform float offset;                                                                       \n"
+  "                                                                                            \n"
+  "void main(void)                                                                             \n"
+  "{                                                                                           \n"
+  "    vec3 bg = checker(gl_FragCoord.xy / 16.0, vec3(0.6, 0.6, 0.6), vec3(0.4, 0.4, 0.4));    \n"
+  "    vec4 img4 = texture2D(tex, gl_TexCoord[0].xy);                                          \n"
+  "    vec3 img3 = img4.bgr;                                                                   \n"
+  "    img3 = img3 * scale + offset;                                                           \n"
+  "    img3 = texture3D(clut, img3).rgb;                                                               \n"
+  "                                                                                            \n"
+  "    gl_FragColor = vec4(img3 * img4.a + bg * (1.0 - img4.a), 1.0);                          \n"
+  "}                                                                                           \n"
+  );
+  cogl_shader_compile(shader);
+  gchar *err = cogl_shader_get_info_log(shader);
+  DEBUG_0("%s\n",err);
+  g_free(err);
+
+  program = cogl_create_program ();
+  cogl_program_attach_shader (program, shader);
+  cogl_handle_unref (shader);
+  cogl_program_link (program);
+
+  uniform_no = cogl_program_get_uniform_location (program, "tex");
+  cogl_program_set_uniform_1i (program, uniform_no, 0);
+
+  uniform_no = cogl_program_get_uniform_location (program, "clut");
+  cogl_program_set_uniform_1i (program, uniform_no, 1);
+
+  uniform_no = cogl_program_get_uniform_location (program, "scale");
+  cogl_program_set_uniform_1f (program, uniform_no, (double) (CLUT_SIZE - 1) / CLUT_SIZE);
+
+  uniform_no = cogl_program_get_uniform_location (program, "offset");
+  cogl_program_set_uniform_1f (program, uniform_no, 1.0 / (2 * CLUT_SIZE));
+
+  cogl_material_set_user_program (material, program);
+  cogl_handle_unref (program);
+}
+
+
+static void rc_prepare_post_process_lut(RendererClutter *rc)
+{
+       PixbufRenderer *pr = rc->pr;
+       static guchar clut[CLUT_SIZE * CLUT_SIZE * CLUT_SIZE * 3];
+       guint r, g, b;
+       GdkPixbuf *tmp_pixbuf;
+       CoglHandle material;
+       CoglHandle tex3d;
+       
+       DEBUG_0("%s clut start", get_exec_time());
+
+       for (r = 0; r < CLUT_SIZE; r++)
+               {
+               for (g = 0; g < CLUT_SIZE; g++)
+                       {
+                       for (b = 0; b < CLUT_SIZE; b++)
+                               {
+                               guchar *ptr = clut + ((b * CLUT_SIZE + g) * CLUT_SIZE + r) * 3;
+                               ptr[0] = floor ((double) r / (CLUT_SIZE - 1) * 255.0 + 0.5);
+                               ptr[1] = floor ((double) g / (CLUT_SIZE - 1) * 255.0 + 0.5);
+                               ptr[2] = floor ((double) b / (CLUT_SIZE - 1) * 255.0 + 0.5);
+                               }
+                       }
+               }
+       tmp_pixbuf = gdk_pixbuf_new_from_data(clut, GDK_COLORSPACE_RGB, FALSE, 8,
+                                             CLUT_SIZE * CLUT_SIZE,
+                                             CLUT_SIZE,
+                                             CLUT_SIZE * CLUT_SIZE * 3,
+                                             NULL, NULL);
+       if (pr->func_post_process)
+               {
+               pr->func_post_process(pr, &tmp_pixbuf, 0, 0, CLUT_SIZE * CLUT_SIZE, CLUT_SIZE, pr->post_process_user_data);
+               }
+       g_object_unref(tmp_pixbuf);
+
+       DEBUG_0("%s clut upload start", get_exec_time());
+#if CLUTTER_CHECK_VERSION(1,10,0)
+       {
+       CoglContext *ctx = clutter_backend_get_cogl_context(clutter_get_default_backend ());
+
+       tex3d = cogl_texture_3d_new_from_data(ctx,
+                                             CLUT_SIZE, CLUT_SIZE, CLUT_SIZE,
+                                             COGL_PIXEL_FORMAT_RGB_888,
+                                             COGL_PIXEL_FORMAT_RGB_888,
+                                             CLUT_SIZE * 3,
+                                             CLUT_SIZE * CLUT_SIZE * 3,
+                                             clut,
+                                             NULL);
+       }
+#else
+       tex3d = cogl_texture_3d_new_from_data(CLUT_SIZE, CLUT_SIZE, CLUT_SIZE,
+                                             COGL_TEXTURE_NONE,
+                                             COGL_PIXEL_FORMAT_RGB_888,
+                                             COGL_PIXEL_FORMAT_RGB_888,
+                                             CLUT_SIZE * 3,
+                                             CLUT_SIZE * CLUT_SIZE * 3,
+                                             clut,
+                                             NULL);
+#endif
+       material = clutter_texture_get_cogl_material(CLUTTER_TEXTURE(rc->texture));
+       cogl_material_set_layer(material, 1, tex3d);
+       cogl_handle_unref(tex3d);
+       DEBUG_0("%s clut end", get_exec_time());
+       rc->clut_updated = TRUE;
+}
+
+
+
 static void rc_sync_actor(RendererClutter *rc)
 {
        PixbufRenderer *pr = rc->pr;
@@ -94,9 +254,13 @@ static void rc_sync_actor(RendererClutter *rc)
        
        clutter_actor_set_anchor_point(CLUTTER_ACTOR(rc->texture), 0, 0);
 
-       printf("scale %d %d\n", rc->pr->width, rc->pr->height);
-       printf("pos   %d %d        %d %d\n", rc->pr->x_offset, rc->pr->y_offset, rc->x_scroll, rc->y_scroll);
+       DEBUG_0("scale %d %d", rc->pr->width, rc->pr->height);
+       DEBUG_0("pos   %d %d", rc->pr->x_offset, rc->pr->y_offset);
        
+       clutter_actor_set_scale(CLUTTER_ACTOR(rc->texture),
+                               (gfloat)pr->width / pr->image_width,
+                               (gfloat)pr->height / pr->image_height);
+                               
        switch (pr->orientation)
                {
                case EXIF_ORIENTATION_TOP_LEFT:
@@ -107,7 +271,6 @@ static void rc_sync_actor(RendererClutter *rc)
                        clutter_actor_set_rotation(CLUTTER_ACTOR(rc->texture),
                                                CLUTTER_Y_AXIS,
                                                0, 0, 0, 0);
-                       clutter_actor_set_size(CLUTTER_ACTOR(rc->texture), pr->width, pr->height);
                        anchor_x = 0;
                        anchor_y = 0;
                        break;
@@ -119,7 +282,6 @@ static void rc_sync_actor(RendererClutter *rc)
                        clutter_actor_set_rotation(CLUTTER_ACTOR(rc->texture),
                                                CLUTTER_Y_AXIS,
                                                180, 0, 0, 0);
-                       clutter_actor_set_size(CLUTTER_ACTOR(rc->texture), pr->width, pr->height);
                        anchor_x = pr->width;
                        anchor_y = 0;
                        break;
@@ -131,7 +293,6 @@ static void rc_sync_actor(RendererClutter *rc)
                        clutter_actor_set_rotation(CLUTTER_ACTOR(rc->texture),
                                                CLUTTER_Y_AXIS,
                                                0, 0, 0, 0);
-                       clutter_actor_set_size(CLUTTER_ACTOR(rc->texture), pr->width, pr->height);
                        anchor_x = pr->width;
                        anchor_y = pr->height;
                        break;
@@ -143,7 +304,6 @@ static void rc_sync_actor(RendererClutter *rc)
                        clutter_actor_set_rotation(CLUTTER_ACTOR(rc->texture),
                                                CLUTTER_Y_AXIS,
                                                180, 0, 0, 0);
-                       clutter_actor_set_size(CLUTTER_ACTOR(rc->texture), pr->width, pr->height);
                        anchor_x = 0;
                        anchor_y = pr->height;
                        break;
@@ -154,7 +314,6 @@ static void rc_sync_actor(RendererClutter *rc)
                        clutter_actor_set_rotation(CLUTTER_ACTOR(rc->texture),
                                                CLUTTER_Y_AXIS,
                                                180, 0, 0, 0);
-                       clutter_actor_set_size(CLUTTER_ACTOR(rc->texture), pr->height, pr->width);
                        anchor_x = 0;
                        anchor_y = 0;
                        break;
@@ -166,7 +325,6 @@ static void rc_sync_actor(RendererClutter *rc)
                        clutter_actor_set_rotation(CLUTTER_ACTOR(rc->texture),
                                                CLUTTER_Y_AXIS,
                                                0, 0, 0, 0);
-                       clutter_actor_set_size(CLUTTER_ACTOR(rc->texture), pr->height, pr->width);
                        anchor_x = 0;
                        anchor_y = pr->height;
                        break;
@@ -177,7 +335,6 @@ static void rc_sync_actor(RendererClutter *rc)
                        clutter_actor_set_rotation(CLUTTER_ACTOR(rc->texture),
                                                CLUTTER_Y_AXIS,
                                                180, 0, 0, 0);
-                       clutter_actor_set_size(CLUTTER_ACTOR(rc->texture), pr->height, pr->width);
                        anchor_x = pr->width;
                        anchor_y = pr->height;
                        break;
@@ -189,7 +346,6 @@ static void rc_sync_actor(RendererClutter *rc)
                        clutter_actor_set_rotation(CLUTTER_ACTOR(rc->texture),
                                                CLUTTER_Y_AXIS,
                                                0, 0, 0, 0);
-                       clutter_actor_set_size(CLUTTER_ACTOR(rc->texture), pr->height, pr->width);
                        anchor_x = pr->width;
                        anchor_y = 0;
                        break;
@@ -198,123 +354,405 @@ static void rc_sync_actor(RendererClutter *rc)
                        break;
                }
        
-       clutter_actor_set_position(CLUTTER_ACTOR(rc->texture), 
-                               pr->x_offset - pr->x_scroll + anchor_x, 
+       clutter_actor_set_position(CLUTTER_ACTOR(rc->texture),
+                               pr->x_offset - pr->x_scroll + anchor_x,
                                pr->y_offset - pr->y_scroll + anchor_y);
 
 }
 
 
-static void renderer_area_changed(void *renderer, gint src_x, gint src_y, gint src_w, gint src_h)
+static void rc_area_clip_add(RendererClutter *rc, gfloat x, gfloat y, gfloat w, gfloat h)
 {
-       RendererClutter *rc = (RendererClutter *)renderer;
+       gfloat x2, y2;
+       gfloat clip_x, clip_y, clip_w, clip_h, clip_x2, clip_y2;
+       
+       x2 = x + w;
+       y2 = y + h;
+       
+       clutter_actor_get_clip(rc->texture, &clip_x, &clip_y, &clip_w, &clip_h);
+       
+       clip_x2 = clip_x + clip_w;
+       clip_y2 = clip_y + clip_h;
+       
+       if (clip_x > x) clip_x = x;
+       if (clip_x2 < x2) clip_x2 = x2;
+       if (clip_y > y) clip_y = y;
+       if (clip_y2 < y2) clip_y2 = y2;
+       
+       clip_w = clip_x2 - clip_x;
+       clip_h = clip_y2 - clip_y;
+       
+       clutter_actor_set_clip(rc->texture, clip_x, clip_y, clip_w, clip_h);
+}
+
+#define MAX_REGION_AREA (32768 * 1024)
+
+static gboolean rc_area_changed_cb(gpointer data);
+
+static void rc_schedule_texture_upload(RendererClutter *rc)
+{
+       if (g_get_monotonic_time() - rc->last_pixbuf_change < 50000)
+               {
+               /* delay clutter redraw until the texture has some data
+                  set priority between gtk redraw and clutter redraw */
+               DEBUG_0("%s tex upload high prio", get_exec_time());
+               rc->idle_update = g_idle_add_full(CLUTTER_PRIORITY_REDRAW - 10, rc_area_changed_cb, rc, NULL);
+               }
+       else
+               {
+               /* higher prio than histogram */
+               DEBUG_0("%s tex upload low prio", get_exec_time());
+
+               rc->idle_update = g_idle_add_full(G_PRIORITY_DEFAULT_IDLE - 5, rc_area_changed_cb, rc, NULL);
+               }
+}
+
+static gboolean rc_area_changed_cb(gpointer data)
+{
+       RendererClutter *rc = (RendererClutter *)data;
        PixbufRenderer *pr = rc->pr;
        
+       RendererClutterAreaParam *par = rc->pending_updates->data;
+       
+       gint h = MAX_REGION_AREA / par->w;
+       if (h == 0) h = 1;
+       if (h > par->h) h = par->h;
        
        
-       printf("renderer_area_changed %d %d %d %d\n", src_x, src_y, src_w, src_h);
+       DEBUG_0("%s upload start", get_exec_time());
        if (pr->pixbuf)
                {
                CoglHandle texture = clutter_texture_get_cogl_texture(CLUTTER_TEXTURE(rc->texture));
                
                cogl_texture_set_region(texture,
-                                       src_x,
-                                       src_y,
-                                       src_x,
-                                       src_y,
-                                       src_w,
-                                       src_h,
-                                       src_w,
-                                       src_h,
-                                       gdk_pixbuf_get_has_alpha(pr->pixbuf) ? COGL_PIXEL_FORMAT_RGBA_8888 : COGL_PIXEL_FORMAT_RGB_888,
+                                       par->x + GET_RIGHT_PIXBUF_OFFSET(rc),
+                                       par->y,
+                                       par->x,
+                                       par->y,
+                                       par->w,
+                                       h,
+                                       par->w,
+                                       h,
+                                       gdk_pixbuf_get_has_alpha(pr->pixbuf) ? COGL_PIXEL_FORMAT_BGRA_8888 : COGL_PIXEL_FORMAT_BGR_888,
                                        gdk_pixbuf_get_rowstride(pr->pixbuf),
                                        gdk_pixbuf_get_pixels(pr->pixbuf));
+               }
+       DEBUG_0("%s upload end", get_exec_time());
+       rc_area_clip_add(rc, par->x, par->y, par->w, h);
+
+               
+       par->y += h;
+       par->h -= h;
+       
+       if (par->h == 0)
+               {
+               rc->pending_updates = g_list_remove(rc->pending_updates, par);
+               g_free(par);
+               }
+       if (!rc->pending_updates)
+               {
                clutter_actor_queue_redraw(CLUTTER_ACTOR(rc->texture));
+               rc->idle_update = 0;
+
+               /* FIXME: find a better place for this */
+               if (!rc->clut_updated) rc_prepare_post_process_lut(rc);
+
+               return FALSE;
+               }
+
+       rc_schedule_texture_upload(rc);
+
+       return FALSE; /* it was rescheduled, possibly with different prio */
+}
+
+
+static void rc_area_changed(void *renderer, gint src_x, gint src_y, gint src_w, gint src_h)
+{
+       RendererClutter *rc = (RendererClutter *)renderer;
+       PixbufRenderer *pr = rc->pr;
+       RendererClutterAreaParam *par;
+
+       gint width = gdk_pixbuf_get_width(pr->pixbuf);
+       gint height = gdk_pixbuf_get_height(pr->pixbuf);
+               
+       if (pr->stereo_data == STEREO_PIXBUF_SBS || pr->stereo_data == STEREO_PIXBUF_CROSS)
+                       {
+                       width /= 2;
+                       }
+       
+       if (!pr_clip_region(src_x, src_y, src_w, src_h,
+                            GET_RIGHT_PIXBUF_OFFSET(rc), 0, width, height,
+                            &src_x, &src_y, &src_w, &src_h)) return;
+       
+       par = g_new0(RendererClutterAreaParam, 1);
+       par->rc = rc;
+       par->x = src_x - GET_RIGHT_PIXBUF_OFFSET(rc);
+       par->y = src_y;
+       par->w = src_w;
+       par->h = src_h;
+       rc->pending_updates = g_list_append(rc->pending_updates, par);
+       if (!rc->idle_update)
+               {
+               rc_schedule_texture_upload(rc);
                }
+}
 
+static void rc_remove_pending_updates(RendererClutter *rc)
+{
+       if (rc->idle_update) g_idle_remove_by_data(rc);
+       rc->idle_update = 0;
+       while (rc->pending_updates)
+               {
+               RendererClutterAreaParam *par = rc->pending_updates->data;
+               rc->pending_updates = g_list_remove(rc->pending_updates, par);
+               g_free(par);
+               }
 }
 
-static void renderer_update_pixbuf(void *renderer, gboolean lazy)
+static void rc_update_pixbuf(void *renderer, gboolean lazy)
 {
        RendererClutter *rc = (RendererClutter *)renderer;
        PixbufRenderer *pr = rc->pr;
        
+       DEBUG_0("rc_update_pixbuf");
+
+       rc_remove_pending_updates(rc);
+
+       rc->last_pixbuf_change = g_get_monotonic_time();
+       DEBUG_0("%s change time reset", get_exec_time());
+       
        if (pr->pixbuf)
                {
-               printf("renderer_update_pixbuf\n");
+               gint width = gdk_pixbuf_get_width(pr->pixbuf);
+               gint height = gdk_pixbuf_get_height(pr->pixbuf);
+
+               DEBUG_0("pixbuf size %d x %d (%d)", width, height, gdk_pixbuf_get_has_alpha(pr->pixbuf) ? 32 : 24);
+               
+               gint prev_width, prev_height;
                
-               /* FIXME use CoglMaterial with multiple textures for background, color management, anaglyph, ... */
-               CoglHandle texture = cogl_texture_new_with_size(gdk_pixbuf_get_width(pr->pixbuf),
-                                                               gdk_pixbuf_get_height(pr->pixbuf),
-                                                               COGL_TEXTURE_NONE,
-                                                               gdk_pixbuf_get_has_alpha(pr->pixbuf) ? COGL_PIXEL_FORMAT_RGBA_8888 : COGL_PIXEL_FORMAT_RGB_888);
+               if (pr->stereo_data == STEREO_PIXBUF_SBS || pr->stereo_data == STEREO_PIXBUF_CROSS)
+                       {
+                       width /= 2;
+                       }
 
-               if (texture != COGL_INVALID_HANDLE)
+               
+               clutter_texture_get_base_size(CLUTTER_TEXTURE(rc->texture), &prev_width, &prev_height);
+               
+               if (width != prev_width || height != prev_height)
                        {
-                       clutter_texture_set_cogl_texture(CLUTTER_TEXTURE(rc->texture), texture);
-                       cogl_handle_unref(texture);
+                       /* FIXME use CoglMaterial with multiple textures for background, color management, anaglyph, ... */
+                       CoglHandle texture = cogl_texture_new_with_size(width,
+                                                                       height,
+                                                                       COGL_TEXTURE_NO_AUTO_MIPMAP | COGL_TEXTURE_NO_SLICING,
+                                                                       gdk_pixbuf_get_has_alpha(pr->pixbuf) ? COGL_PIXEL_FORMAT_BGRA_8888 : COGL_PIXEL_FORMAT_BGR_888);
+
+                       if (texture != COGL_INVALID_HANDLE)
+                               {
+                               clutter_texture_set_cogl_texture(CLUTTER_TEXTURE(rc->texture), texture);
+                               cogl_handle_unref(texture);
+                               }
                        }
+               clutter_actor_set_clip(rc->texture, 0, 0, 0, 0); /* visible area is extended as area_changed events arrive */
                if (!lazy)
                        {
-                       renderer_area_changed(renderer, 0, 0, gdk_pixbuf_get_width(pr->pixbuf), gdk_pixbuf_get_height(pr->pixbuf));
+                       rc_area_changed(renderer, GET_RIGHT_PIXBUF_OFFSET(rc), 0, width, height);
                        }
                }
 
-
-       printf("renderer_update_pixbuf\n");
-       rc_sync_actor(rc);
+       rc->clut_updated = FALSE;
 }
 
 
 
-static void renderer_update_zoom(void *renderer, gboolean lazy)
+static void rc_update_zoom(void *renderer, gboolean lazy)
 {
        RendererClutter *rc = (RendererClutter *)renderer;
-       PixbufRenderer *pr = rc->pr;
 
-       printf("renderer_update_zoom\n");
+       DEBUG_0("rc_update_zoom");
        rc_sync_actor(rc);
 }
 
-static void renderer_invalidate_region(void *renderer, gint x, gint y, gint w, gint h)
+static void rc_invalidate_region(void *renderer, gint x, gint y, gint w, gint h)
+{
+}
+
+static OverlayData *rc_overlay_find(RendererClutter *rc, gint id)
+{
+       GList *work;
+
+       work = rc->overlay_list;
+       while (work)
+               {
+               OverlayData *od = work->data;
+               work = work->next;
+
+               if (od->id == id) return od;
+               }
+
+       return NULL;
+}
+
+static void rc_overlay_actor_destroy_cb(ClutterActor *actor, gpointer user_data)
 {
+       OverlayData *od = user_data;
+       od->actor = NULL;
 }
 
-static void renderer_overlay_draw(void *renderer, gint x, gint y, gint w, gint h)
+static void rc_overlay_free(RendererClutter *rc, OverlayData *od)
 {
+       rc->overlay_list = g_list_remove(rc->overlay_list, od);
+
+       if (od->pixbuf) g_object_unref(G_OBJECT(od->pixbuf));
+       if (od->actor) clutter_actor_destroy(od->actor);
+       g_free(od);
 }
 
-static void renderer_overlay_add(void *renderer, gint x, gint y, gint w, gint h)
+static void rc_overlay_update_position(RendererClutter *rc, OverlayData *od)
 {
+       gint px, py, pw, ph;
+
+       pw = gdk_pixbuf_get_width(od->pixbuf);
+       ph = gdk_pixbuf_get_height(od->pixbuf);
+       px = od->x;
+       py = od->y;
+
+       if (od->flags & OVL_RELATIVE)
+               {
+               if (px < 0) px = rc->pr->viewport_width - pw + px;
+               if (py < 0) py = rc->pr->viewport_height - ph + py;
+               }
+       if (od->actor) clutter_actor_set_position(od->actor, px, py);
 }
 
-static void renderer_overlay_set(void *renderer, gint x, gint y, gint w, gint h)
+static void rc_overlay_update_positions(RendererClutter *rc)
 {
+       GList *work;
+
+       work = rc->overlay_list;
+       while (work)
+               {
+               OverlayData *od = work->data;
+               work = work->next;
+
+               rc_overlay_update_position(rc, od);
+               }
 }
 
-static void renderer_overlay_get(void *renderer, gint x, gint y, gint w, gint h)
+static void rc_overlay_free_all(RendererClutter *rc)
 {
+       GList *work;
+
+       work = rc->overlay_list;
+       while (work)
+               {
+               OverlayData *od = work->data;
+               work = work->next;
+
+               rc_overlay_free(rc, od);
+               }
 }
 
-static void renderer_update_sizes(void *renderer)
+static gint rc_overlay_add(void *renderer, GdkPixbuf *pixbuf, gint x, gint y, OverlayRendererFlags flags)
 {
        RendererClutter *rc = (RendererClutter *)renderer;
-       ClutterColor stage_color = { 0x00, 0x00, 0x00, 0xff }; 
+       PixbufRenderer *pr = rc->pr;
+       OverlayData *od;
+       gint id;
+
+       g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), -1);
+       g_return_val_if_fail(pixbuf != NULL, -1);
+
+       id = 1;
+       while (rc_overlay_find(rc, id)) id++;
+
+       od = g_new0(OverlayData, 1);
+       od->id = id;
+       od->pixbuf = pixbuf;
+       g_object_ref(G_OBJECT(od->pixbuf));
+       od->x = x;
+       od->y = y;
+       od->flags = flags;
+       
+       od->actor = gtk_clutter_texture_new();
+       g_signal_connect (od->actor, "destroy", G_CALLBACK(rc_overlay_actor_destroy_cb), od);
+       
+       gtk_clutter_texture_set_from_pixbuf(GTK_CLUTTER_TEXTURE (od->actor), pixbuf, NULL);
+       clutter_container_add_actor(CLUTTER_CONTAINER(rc->group), od->actor);
+
+       rc->overlay_list = g_list_append(rc->overlay_list, od);
+       rc_overlay_update_position(rc, od);
+
+       return od->id;
+}
+
+static void rc_overlay_set(void *renderer, gint id, GdkPixbuf *pixbuf, gint x, gint y)
+{
+       RendererClutter *rc = (RendererClutter *)renderer;
+       PixbufRenderer *pr = rc->pr;
+       OverlayData *od;
+
+       g_return_if_fail(IS_PIXBUF_RENDERER(pr));
+
+       od = rc_overlay_find(rc, id);
+       if (!od) return;
+
+       if (pixbuf)
+               {
+               g_object_ref(G_OBJECT(pixbuf));
+               g_object_unref(G_OBJECT(od->pixbuf));
+               od->pixbuf = pixbuf;
+
+               od->x = x;
+               od->y = y;
+
+               if (od->actor) gtk_clutter_texture_set_from_pixbuf(GTK_CLUTTER_TEXTURE(od->actor), pixbuf, NULL);
+               rc_overlay_update_position(rc, od);
+               }
+       else
+               {
+               rc_overlay_free(rc, od);
+               }
+}
+
+static gboolean rc_overlay_get(void *renderer, gint id, GdkPixbuf **pixbuf, gint *x, gint *y)
+{
+       RendererClutter *rc = (RendererClutter *)renderer;
+
+       PixbufRenderer *pr = rc->pr;
+       OverlayData *od;
+
+       g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
+
+       od = rc_overlay_find(rc, id);
+       if (!od) return FALSE;
+
+       if (pixbuf) *pixbuf = od->pixbuf;
+       if (x) *x = od->x;
+       if (y) *y = od->y;
+
+       return TRUE;
+}
+
+
+static void rc_update_viewport(void *renderer)
+{
+       RendererClutter *rc = (RendererClutter *)renderer;
+       ClutterColor stage_color = { 0x00, 0x00, 0x00, 0xff };
 
        rc->stereo_off_x = 0;
        rc->stereo_off_y = 0;
        
-       if (rc->stereo_mode & PR_STEREO_RIGHT) 
+       if (rc->stereo_mode & PR_STEREO_RIGHT)
                {
-               if (rc->stereo_mode & PR_STEREO_HORIZ) 
+               if (rc->stereo_mode & PR_STEREO_HORIZ)
                        {
                        rc->stereo_off_x = rc->pr->viewport_width;
                        }
-               else if (rc->stereo_mode & PR_STEREO_VERT) 
+               else if (rc->stereo_mode & PR_STEREO_VERT)
                        {
                        rc->stereo_off_y = rc->pr->viewport_height;
                        }
-               else if (rc->stereo_mode & PR_STEREO_FIXED) 
+               else if (rc->stereo_mode & PR_STEREO_FIXED)
                        {
                        rc->stereo_off_x = rc->pr->stereo_fixed_x_right;
                        rc->stereo_off_y = rc->pr->stereo_fixed_y_right;
@@ -322,15 +760,13 @@ static void renderer_update_sizes(void *renderer)
                }
        else
                {
-               if (rc->stereo_mode & PR_STEREO_FIXED) 
+               if (rc->stereo_mode & PR_STEREO_FIXED)
                        {
                        rc->stereo_off_x = rc->pr->stereo_fixed_x_left;
                        rc->stereo_off_y = rc->pr->stereo_fixed_y_left;
                        }
                }
-        DEBUG_1("update size: %p  %d %d   %d %d", rc, rc->stereo_off_x, rc->stereo_off_y, rc->pr->viewport_width, rc->pr->viewport_height);
-
-       printf("renderer_update_sizes  scale %d %d\n", rc->pr->width, rc->pr->height);
+       DEBUG_0("rc_update_viewport  scale %d %d", rc->pr->width, rc->pr->height);
 
         clutter_stage_set_color(CLUTTER_STAGE(rc->stage), &stage_color);
 
@@ -340,7 +776,7 @@ static void renderer_update_sizes(void *renderer)
        
        clutter_actor_set_rotation(CLUTTER_ACTOR(rc->group),
                                                CLUTTER_Y_AXIS,
-                                               (rc->stereo_mode & PR_STEREO_MIRROR) ? 180 : 0, 
+                                               (rc->stereo_mode & PR_STEREO_MIRROR) ? 180 : 0,
                                                rc->pr->viewport_width / 2.0, 0, 0);
 
        clutter_actor_set_rotation(CLUTTER_ACTOR(rc->group),
@@ -349,41 +785,46 @@ static void renderer_update_sizes(void *renderer)
                                                0, rc->pr->viewport_height / 2.0, 0);
 
        rc_sync_actor(rc);
+       rc_overlay_update_positions(rc);
 }
 
-static void renderer_scroll(void *renderer, gint x_off, gint y_off)
+static void rc_scroll(void *renderer, gint x_off, gint y_off)
 {
-       printf("renderer_scroll\n");
+       DEBUG_0("rc_scroll");
        RendererClutter *rc = (RendererClutter *)renderer;
-       PixbufRenderer *pr = rc->pr;
 
        rc_sync_actor(rc);
 }
 
-static void renderer_stereo_set(void *renderer, gint stereo_mode)
+static void rc_stereo_set(void *renderer, gint stereo_mode)
 {
        RendererClutter *rc = (RendererClutter *)renderer;
 
        rc->stereo_mode = stereo_mode;
 }
 
-static void renderer_free(void *renderer)
+static void rc_free(void *renderer)
 {
        RendererClutter *rc = (RendererClutter *)renderer;
        GtkWidget *widget = gtk_bin_get_child(GTK_BIN(rc->pr));
+
+       rc_remove_pending_updates(rc);
+
+       rc_overlay_free_all(rc);
+       
        if (widget)
                {
                /* widget still exists */
                clutter_actor_destroy(rc->group);
                if (clutter_group_get_n_children(CLUTTER_GROUP(rc->stage)) == 0)
                        {
-                       printf("destroy %p\n", rc->widget);
+                       DEBUG_1("destroy %p", rc->widget);
                        /* this was the last user */
                        gtk_widget_destroy(rc->widget);
                        }
                else
                        {
-                       printf("keep %p\n", rc->widget);
+                       DEBUG_1("keep %p", rc->widget);
                        g_object_unref(G_OBJECT(rc->widget));
                        }
                }
@@ -396,27 +837,28 @@ RendererFuncs *renderer_clutter_new(PixbufRenderer *pr)
        
        rc->pr = pr;
        
-       rc->f.area_changed = renderer_area_changed;
-       rc->f.update_pixbuf = renderer_update_pixbuf;
-       rc->f.free = renderer_free;
-       rc->f.update_zoom = renderer_update_zoom;
-       rc->f.invalidate_region = renderer_invalidate_region;
-       rc->f.scroll = renderer_scroll;
-       rc->f.update_sizes = renderer_update_sizes;
+       rc->f.area_changed = rc_area_changed;
+       rc->f.update_pixbuf = rc_update_pixbuf;
+       rc->f.free = rc_free;
+       rc->f.update_zoom = rc_update_zoom;
+       rc->f.invalidate_region = rc_invalidate_region;
+       rc->f.scroll = rc_scroll;
+       rc->f.update_viewport = rc_update_viewport;
 
 
-       rc->f.overlay_add = renderer_overlay_add;
-       rc->f.overlay_set = renderer_overlay_set;
-       rc->f.overlay_get = renderer_overlay_get;
-       rc->f.overlay_draw = renderer_overlay_draw;
+       rc->f.overlay_add = rc_overlay_add;
+       rc->f.overlay_set = rc_overlay_set;
+       rc->f.overlay_get = rc_overlay_get;
 
-       rc->f.stereo_set = renderer_stereo_set;
+       rc->f.stereo_set = rc_stereo_set;
        
        
        rc->stereo_mode = 0;
        rc->stereo_off_x = 0;
        rc->stereo_off_y = 0;
 
+       rc->idle_update = 0;
+       rc->pending_updates = NULL;
 
        rc->widget = gtk_bin_get_child(GTK_BIN(rc->pr));
        
@@ -429,7 +871,7 @@ RendererFuncs *renderer_clutter_new(PixbufRenderer *pr)
                        return NULL;
                        }
                }
-       else 
+       else
                {
                rc->widget = gtk_clutter_embed_new();
                gtk_container_add(GTK_CONTAINER(rc->pr), rc->widget);
@@ -442,13 +884,14 @@ RendererFuncs *renderer_clutter_new(PixbufRenderer *pr)
        clutter_container_add_actor(CLUTTER_CONTAINER(rc->stage), rc->group);
        clutter_actor_set_clip_to_allocation(CLUTTER_ACTOR(rc->group), TRUE);
   
-       rc->texture = gtk_clutter_texture_new ();
+       rc->texture = clutter_texture_new ();
        clutter_container_add_actor(CLUTTER_CONTAINER(rc->group), rc->texture);
+       rc_set_shader(clutter_texture_get_cogl_material(CLUTTER_TEXTURE(rc->texture)));
        g_object_ref(G_OBJECT(rc->widget));
   
        gtk_widget_show(rc->widget);
        return (RendererFuncs *) rc;
 }
 
-
+#endif
 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */