forked from enlightenment/efl
evas: add double buffer support to buffer engine.
NOTE: This patch is a first step to replace and remove Evas SDL Software backend. SVN revision: 67347
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113348cac9
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54fdc48d6a
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@ -644,3 +644,6 @@
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* Add EVAS_OBJECT_POINTER_MODE_NOGRAB_NO_REPEAT_UPDOWN pointer mode
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for some very specific behavior needed for accessibility.
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2012-01-19 Cedric Bail
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* Add double buffer support to buffer engine.
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@ -8,6 +8,7 @@ Additions:
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* Textblock now supports self-closing tags, i.e <br/>. Those should be used instead of the old <br> way.
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* Shm engine for drawing in Wayland.
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* evas_object_smart_callback_del_full API.
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* Add double buffer support to the buffer engine.
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Improvements:
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@ -29,7 +29,10 @@ struct _Evas_Engine_Info_Buffer
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struct {
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void * (*new_update_region) (int x, int y, int w, int h, int *row_bytes);
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void (*free_update_region) (int x, int y, int w, int h, void *data);
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void * (*switch_buffer) (void *data, void *dest_buffer);
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} func;
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void *switch_data;
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} info;
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/* non-blocking or blocking mode */
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@ -25,11 +25,12 @@ struct _Render_Engine
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Outbuf *ob;
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Tilebuf_Rect *rects;
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Eina_Inlist *cur_rect;
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Eina_Inarray previous_rects;
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int end : 1;
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};
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/* prototypes we will use here */
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static void *_output_setup(int w, int h, void *dest_buffer, int dest_buffer_row_bytes, int depth_type, int use_color_key, int alpha_threshold, int color_key_r, int color_key_g, int color_key_b, void *(*new_update_region) (int x, int y, int w, int h, int *row_bytes), void (*free_update_region) (int x, int y, int w, int h, void *data));
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static void *_output_setup(int w, int h, void *dest_buffer, int dest_buffer_row_bytes, int depth_type, int use_color_key, int alpha_threshold, int color_key_r, int color_key_g, int color_key_b, void *(*new_update_region) (int x, int y, int w, int h, int *row_bytes), void (*free_update_region) (int x, int y, int w, int h, void *data), void *(*switch_buffer) (void *data, void *dest_buffer), void *switch_data);
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static void *eng_info(Evas *e __UNUSED__);
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static void eng_info_free(Evas *e __UNUSED__, void *info);
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@ -58,7 +59,9 @@ _output_setup(int w,
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int color_key_g,
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int color_key_b,
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void *(*new_update_region) (int x, int y, int w, int h, int *row_bytes),
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void (*free_update_region) (int x, int y, int w, int h, void *data)
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void (*free_update_region) (int x, int y, int w, int h, void *data),
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void *(*switch_buffer) (void *data, void *dest_buffer),
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void *switch_data
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)
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{
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Render_Engine *re;
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@ -81,7 +84,7 @@ _output_setup(int w,
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evas_common_tilebuf_init();
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evas_buffer_outbuf_buf_init();
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{
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Outbuf_Depth dep;
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DATA32 color_key = 0;
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@ -110,10 +113,13 @@ _output_setup(int w,
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color_key,
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alpha_threshold,
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new_update_region,
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free_update_region);
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free_update_region,
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switch_buffer,
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switch_data);
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}
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re->tb = evas_common_tilebuf_new(w, h);
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evas_common_tilebuf_set_tile_size(re->tb, TILESIZE, TILESIZE);
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eina_inarray_setup(&re->previous_rects, sizeof (Eina_Rectangle), 8);
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return re;
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}
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@ -155,7 +161,9 @@ eng_setup(Evas *e, void *in)
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info->info.color_key_g,
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info->info.color_key_b,
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info->info.func.new_update_region,
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info->info.func.free_update_region);
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info->info.func.free_update_region,
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info->info.func.switch_buffer,
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info->info.switch_data);
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if (e->engine.data.output)
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eng_output_free(e->engine.data.output);
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e->engine.data.output = re;
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@ -195,6 +203,8 @@ eng_output_resize(void *data, int w, int h)
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char use_color_key;
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void * (*new_update_region) (int x, int y, int w, int h, int *row_bytes);
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void (*free_update_region) (int x, int y, int w, int h, void *data);
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void * (*switch_buffer) (void *switch_data, void *dest);
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void *switch_data;
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depth = re->ob->depth;
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dest = re->ob->dest;
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@ -204,6 +214,8 @@ eng_output_resize(void *data, int w, int h)
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use_color_key = re->ob->use_color_key;
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new_update_region = re->ob->func.new_update_region;
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free_update_region = re->ob->func.free_update_region;
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switch_buffer = re->ob->func.switch_buffer;
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switch_data = re->ob->switch_data;
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evas_buffer_outbuf_buf_free(re->ob);
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re->ob = evas_buffer_outbuf_buf_setup_fb(w,
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h,
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@ -214,7 +226,9 @@ eng_output_resize(void *data, int w, int h)
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color_key,
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alpha_level,
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new_update_region,
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free_update_region);
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free_update_region,
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switch_buffer,
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switch_data);
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}
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evas_common_tilebuf_free(re->tb);
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re->tb = evas_common_tilebuf_new(w, h);
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@ -275,6 +289,37 @@ eng_output_redraws_next_update_get(void *data, int *x, int *y, int *w, int *h, i
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if (!re->rects)
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{
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re->rects = evas_common_tilebuf_get_render_rects(re->tb);
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/* handle double buffering */
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if (re->ob->func.switch_buffer)
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{
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Eina_Rectangle *pushing;
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if (re->ob->first_frame && !re->previous_rects.len)
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{
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evas_common_tilebuf_add_redraw(re->tb, 0, 0, re->ob->w, re->ob->h);
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re->ob->first_frame = 0;
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}
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/* push previous frame */
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EINA_INARRAY_FOREACH(&re->previous_rects, pushing)
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evas_common_tilebuf_add_redraw(re->tb, pushing->x, pushing->y, pushing->w, pushing->h);
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eina_inarray_flush(&re->previous_rects);
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/* save current list of damage */
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EINA_INLIST_FOREACH(re->rects, rect)
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{
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Eina_Rectangle local;
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EINA_RECTANGLE_SET(&local, rect->x, rect->y, rect->w, rect->h);
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eina_inarray_append(&re->previous_rects, &local);
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}
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/* and regenerate the damage list by tacking into account the damage over two frames */
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evas_common_tilebuf_free_render_rects(re->rects);
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re->rects = evas_common_tilebuf_get_render_rects(re->tb);
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}
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re->cur_rect = EINA_INLIST_GET(re->rects);
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}
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if (!re->cur_rect) return NULL;
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@ -306,7 +351,7 @@ eng_output_redraws_next_update_push(void *data, void *surface, int x, int y, int
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re = (Render_Engine *)data;
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#ifdef BUILD_PIPE_RENDER
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evas_common_pipe_map_begin(surface);
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#endif
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#endif
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evas_buffer_outbuf_buf_push_updated_region(re->ob, surface, x, y, w, h);
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evas_buffer_outbuf_buf_free_region_for_update(re->ob, surface);
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evas_common_cpu_end_opt();
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@ -318,6 +363,7 @@ eng_output_flush(void *data)
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Render_Engine *re;
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re = (Render_Engine *)data;
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evas_buffer_outbuf_buf_switch_buffer(re->ob);
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}
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static void
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@ -52,14 +52,17 @@ struct _Outbuf
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void *dest;
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unsigned int dest_row_bytes;
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void *switch_data;
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int alpha_level;
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DATA32 color_key;
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char use_color_key : 1;
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char first_frame : 1;
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struct {
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void * (*new_update_region) (int x, int y, int w, int h, int *row_bytes);
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void (*free_update_region) (int x, int y, int w, int h, void *data);
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void * (*switch_buffer) (void *data, void *dest_buffer);
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} func;
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struct {
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@ -74,12 +77,15 @@ void evas_buffer_outbuf_buf_free (Outbuf *buf);
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Outbuf *evas_buffer_outbuf_buf_setup_fb (int w, int h, Outbuf_Depth depth, void *dest, int dest_row_bytes, int use_color_key, DATA32 color_key, int alpha_level,
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void * (*new_update_region) (int x, int y, int w, int h, int *row_bytes),
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void (*free_update_region) (int x, int y, int w, int h, void *data));
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void (*free_update_region) (int x, int y, int w, int h, void *data),
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void * (*switch_buffer)(void *switch_data, void *dest),
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void *switch_data);
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RGBA_Image *evas_buffer_outbuf_buf_new_region_for_update (Outbuf *buf, int x, int y, int w, int h, int *cx, int *cy, int *cw, int *ch);
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void evas_buffer_outbuf_buf_free_region_for_update (Outbuf *buf, RGBA_Image *update);
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void evas_buffer_outbuf_buf_push_updated_region (Outbuf *buf, RGBA_Image *update, int x, int y, int w, int h);
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void evas_buffer_outbuf_buf_switch_buffer (Outbuf *buf);
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#endif
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@ -19,7 +19,9 @@ evas_buffer_outbuf_buf_free(Outbuf *buf)
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Outbuf *
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evas_buffer_outbuf_buf_setup_fb(int w, int h, Outbuf_Depth depth, void *dest, int dest_row_bytes, int use_color_key, DATA32 color_key, int alpha_level,
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void * (*new_update_region) (int x, int y, int w, int h, int *row_bytes),
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void (*free_update_region) (int x, int y, int w, int h, void *data)
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void (*free_update_region) (int x, int y, int w, int h, void *data),
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void * (*switch_buffer) (void *data, void *dest_buffer),
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void *switch_data
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)
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{
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Outbuf *buf;
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buf->alpha_level = alpha_level;
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buf->color_key = color_key;
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buf->use_color_key = use_color_key;
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buf->first_frame = 1;
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buf->func.new_update_region = new_update_region;
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buf->func.free_update_region = free_update_region;
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buf->func.switch_buffer = switch_buffer;
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buf->switch_data = switch_data;
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bpp = sizeof(DATA32);
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if ((buf->depth == OUTBUF_DEPTH_RGB_24BPP_888_888) ||
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if (update != buf->priv.back_buf) evas_cache_image_drop(&update->cache_entry);
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}
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void
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evas_buffer_outbuf_buf_switch_buffer(Outbuf *buf)
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{
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if (buf->func.switch_buffer)
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{
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buf->dest = buf->func.switch_buffer(buf->switch_data, buf->dest);
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if (buf->priv.back_buf)
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{
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evas_cache_image_drop(&buf->priv.back_buf->cache_entry);
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buf->priv.back_buf = (RGBA_Image *) evas_cache_image_data(evas_common_image_cache_get(),
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buf->w, buf->h,
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buf->dest,
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buf->depth == OUTBUF_DEPTH_ARGB_32BPP_8888_8888 ? 1 : 0,
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EVAS_COLORSPACE_ARGB8888);
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}
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}
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}
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void
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evas_buffer_outbuf_buf_push_updated_region(Outbuf *buf, RGBA_Image *update, int x, int y, int w, int h)
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{
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