diff options
Diffstat (limited to 'WebKit/efl/ewk/ewk_tiled_matrix.c')
| -rw-r--r-- | WebKit/efl/ewk/ewk_tiled_matrix.c | 771 |
1 files changed, 771 insertions, 0 deletions
diff --git a/WebKit/efl/ewk/ewk_tiled_matrix.c b/WebKit/efl/ewk/ewk_tiled_matrix.c new file mode 100644 index 0000000..fccbfa1 --- /dev/null +++ b/WebKit/efl/ewk/ewk_tiled_matrix.c @@ -0,0 +1,771 @@ +/* + Copyright (C) 2009-2010 Samsung Electronics + Copyright (C) 2009-2010 ProFUSION embedded systems + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public License + along with this library; see the file COPYING.LIB. If not, write to + the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. +*/ + +#include "config.h" +#include "ewk_tiled_matrix.h" + +#define _GNU_SOURCE +#include "ewk_tiled_backing_store.h" +#include "ewk_tiled_private.h" +#include <Eina.h> +#include <errno.h> +#include <inttypes.h> +#include <math.h> +#include <stdio.h> // XXX remove me later +#include <stdlib.h> +#include <string.h> + +static const Evas_Coord TILE_MATRIX_BASE_TILE_SIZE = 256; + +struct _Ewk_Tile_Matrix { + Eina_Matrixsparse *matrix; + Ewk_Tile_Unused_Cache *tuc; + Evas_Colorspace cspace; + struct { + void (*cb)(void *data, Ewk_Tile *t, const Eina_Rectangle *update); + void *data; + } render; + unsigned int frozen; + Eina_List *updates; +#ifdef DEBUG_MEM_LEAKS + struct { + struct { + uint64_t allocated, freed; + } tiles, bytes; + } stats; +#endif +}; + +#ifdef DEBUG_MEM_LEAKS +static uint64_t tiles_leaked = 0; +static uint64_t bytes_leaked = 0; +#endif + +/* called when matrixsparse is resized or freed */ +static void _ewk_tile_matrix_cell_free(void *user_data, void *cell_data) +{ + Ewk_Tile_Matrix *tm = user_data; + Eina_Inlist *l = cell_data; + + if (!l) + return; + + ewk_tile_unused_cache_freeze(tm->tuc); + + while (l) { + Ewk_Tile *t = (Ewk_Tile *)l; + l = l->next; + + if (t->updates || t->stats.full_update) + tm->updates = eina_list_remove(tm->updates, t); + + if (t->visible) + ERR("freeing cell that is visible, leaking tile %p", t); + else { + if (!ewk_tile_unused_cache_tile_get(tm->tuc, t)) + ERR("tile %p was not in cache %p? leaking...", t, tm->tuc); + else { + DBG("tile cell does not exist anymore, free it %p", t); + +#ifdef DEBUG_MEM_LEAKS + tm->stats.bytes.freed += t->bytes; + tm->stats.tiles.freed++; +#endif + + ewk_tile_free(t); + } + } + } + + ewk_tile_unused_cache_thaw(tm->tuc); +} + +/* called when cache of unused tile is flushed */ +static void _ewk_tile_matrix_tile_free(void *data, Ewk_Tile *t) +{ + Ewk_Tile_Matrix *tm = data; + Eina_Matrixsparse_Cell *cell; + Eina_Inlist *l, *old; + + if (!eina_matrixsparse_cell_idx_get(tm->matrix, t->row, t->col, &cell)) { + ERR("removing tile %p that was not in the matrix? Leaking...", t); + return; + } + + if (t->updates || t->stats.full_update) + tm->updates = eina_list_remove(tm->updates, t); + + old = eina_matrixsparse_cell_data_get(cell); + l = eina_inlist_remove(old, EINA_INLIST_GET(t)); + if (!l) { + /* set to null to avoid double free */ + eina_matrixsparse_cell_data_replace(cell, NULL, NULL); + eina_matrixsparse_cell_clear(cell); + } else if (old != l) + eina_matrixsparse_cell_data_replace(cell, l, NULL); + + if (EINA_UNLIKELY(!!t->visible)) { + ERR("cache of unused tiles requesting deletion of used tile %p? " + "Leaking...", t); + return; + } + +#ifdef DEBUG_MEM_LEAKS + tm->stats.bytes.freed += t->bytes; + tm->stats.tiles.freed++; +#endif + + ewk_tile_free(t); +} + +/** + * Creates a new matrix of tiles. + * + * The tile matrix is responsible for keeping tiles around and + * providing fast access to them. One can use it to retrieve new or + * existing tiles and give them back, allowing them to be + * freed/replaced by the cache. + * + * @param tuc cache of unused tiles or @c NULL to create one + * automatically. + * @param cols number of columns in the matrix. + * @param rows number of rows in the matrix. + * @param cspace the color space used to create tiles in this matrix. + * @param render_cb function used to render given tile update. + * @param data context to give back to @a render_cb. + * + * @return newly allocated instance on success, @c NULL on failure. + */ +Ewk_Tile_Matrix *ewk_tile_matrix_new(Ewk_Tile_Unused_Cache *tuc, unsigned long cols, unsigned long rows, Evas_Colorspace cspace, void (*render_cb)(void *data, Ewk_Tile *t, const Eina_Rectangle *update), const void *data) +{ + Ewk_Tile_Matrix *tm; + + CALLOC_OR_OOM_RET(tm, sizeof(Ewk_Tile_Matrix), NULL); + + tm->matrix = eina_matrixsparse_new(rows, cols, _ewk_tile_matrix_cell_free, tm); + if (!tm->matrix) { + ERR("could not create sparse matrix."); + free(tm); + return NULL; + } + + if (tuc) + tm->tuc = ewk_tile_unused_cache_ref(tuc); + else { + tm->tuc = ewk_tile_unused_cache_new(40960000); + if (!tm->tuc) { + ERR("no cache of unused tile!"); + eina_matrixsparse_free(tm->matrix); + free(tm); + return NULL; + } + } + + tm->cspace = cspace; + tm->render.cb = render_cb; + tm->render.data = (void *)data; + + return tm; +} + +/** + * Destroys tiles matrix, releasing its resources. + * + * The cache instance is unreferenced, possibly freeing it. + */ +void ewk_tile_matrix_free(Ewk_Tile_Matrix *tm) +{ +#ifdef DEBUG_MEM_LEAKS + uint64_t tiles, bytes; +#endif + + EINA_SAFETY_ON_NULL_RETURN(tm); + ewk_tile_unused_cache_freeze(tm->tuc); + + eina_matrixsparse_free(tm->matrix); + + ewk_tile_unused_cache_thaw(tm->tuc); + ewk_tile_unused_cache_unref(tm->tuc); + +#ifdef DEBUG_MEM_LEAKS + tiles = tm->stats.tiles.allocated - tm->stats.tiles.freed; + bytes = tm->stats.bytes.allocated - tm->stats.bytes.freed; + + tiles_leaked += tiles; + bytes_leaked += bytes; + + if (tiles || bytes) + ERR("tiled matrix leaked: tiles[+%"PRIu64",-%"PRIu64":%"PRIu64"] " + "bytes[+%"PRIu64",-%"PRIu64":%"PRIu64"]", + tm->stats.tiles.allocated, tm->stats.tiles.freed, tiles, + tm->stats.bytes.allocated, tm->stats.bytes.freed, bytes); + else if (tiles_leaked || bytes_leaked) + WRN("tiled matrix had no leaks: tiles[+%"PRIu64",-%"PRIu64"] " + "bytes[+%"PRIu64",-%"PRIu64"], but some other leaked " + "%"PRIu64" tiles (%"PRIu64" bytes)", + tm->stats.tiles.allocated, tm->stats.tiles.freed, + tm->stats.bytes.allocated, tm->stats.bytes.freed, + tiles_leaked, bytes_leaked); + else + INF("tiled matrix had no leaks: tiles[+%"PRIu64",-%"PRIu64"] " + "bytes[+%"PRIu64",-%"PRIu64"]", + tm->stats.tiles.allocated, tm->stats.tiles.freed, + tm->stats.bytes.allocated, tm->stats.bytes.freed); +#endif + + free(tm); +} + +/** + * Resize matrix to given number of rows and columns. + */ +void ewk_tile_matrix_resize(Ewk_Tile_Matrix *tm, unsigned long cols, unsigned long rows) +{ + EINA_SAFETY_ON_NULL_RETURN(tm); + eina_matrixsparse_size_set(tm->matrix, rows, cols); +} + +/** + * Get the cache of unused tiles in use by given matrix. + * + * No reference is taken to the cache. + */ +Ewk_Tile_Unused_Cache *ewk_tile_matrix_unused_cache_get(const Ewk_Tile_Matrix *tm) +{ + EINA_SAFETY_ON_NULL_RETURN_VAL(tm, NULL); + return tm->tuc; +} + +/** + * Get the exact tile for the given position and zoom. + * + * If the tile was unused then it's removed from the cache. + * + * After usage, please give it back using + * ewk_tile_matrix_tile_put(). If you just want to check if it exists, + * then use ewk_tile_matrix_tile_exact_exists(). + * + * @param tm the tile matrix to get tile from. + * @param col the column number. + * @param row the row number. + * @param zoom the exact zoom to use. + * + * @return The tile instance or @c NULL if none is found. If the tile + * was in the unused cache it will be @b removed (thus + * considered used) and one should give it back with + * ewk_tile_matrix_tile_put() afterwards. + * + * @see ewk_tile_matrix_tile_nearest_get() + * @see ewk_tile_matrix_tile_exact_get() + */ +Ewk_Tile *ewk_tile_matrix_tile_exact_get(Ewk_Tile_Matrix *tm, unsigned long col, unsigned int row, float zoom) +{ + Ewk_Tile *t, *item, *item_found = NULL; + Eina_Inlist *inl; + + t = eina_matrixsparse_data_idx_get(tm->matrix, row, col); + if (!t) + return NULL; + + if (t->zoom == zoom) + goto end; + + EINA_INLIST_FOREACH(EINA_INLIST_GET(t), item) { + if (item->zoom != zoom) + continue; + item_found = item; + break; + } + + if (!item_found) + return NULL; + + inl = eina_inlist_promote(EINA_INLIST_GET(t), EINA_INLIST_GET(item_found)); + eina_matrixsparse_data_idx_replace(tm->matrix, row, col, inl, NULL); + + end: + if (!t->visible) { + if (!ewk_tile_unused_cache_tile_get(tm->tuc, t)) + WRN("Ewk_Tile was unused but not in cache? bug!"); + } + + return t; +} + +/** + * Checks if tile of given zoom exists in matrix. + * + * @param tm the tile matrix to check tile existence. + * @param col the column number. + * @param row the row number. + * @param zoom the exact zoom to query. + * + * @return @c EINA_TRUE if found, @c EINA_FALSE otherwise. + * + * @see ewk_tile_matrix_tile_exact_get() + */ +Eina_Bool ewk_tile_matrix_tile_exact_exists(Ewk_Tile_Matrix *tm, unsigned long col, unsigned int row, float zoom) +{ + Ewk_Tile *t, *item; + + t = eina_matrixsparse_data_idx_get(tm->matrix, row, col); + if (!t) + return EINA_FALSE; + + EINA_INLIST_FOREACH(EINA_INLIST_GET(t), item) { + if (item->zoom == zoom) + return EINA_TRUE; + } + + return EINA_FALSE; +} + +/** + * Get the nearest tile for given position and zoom. + * + * The nearest tile is the one at the given position but with the + * closest zoom, this being the division of the tile zoom by the + * desired zoom, the closest to 1.0 gets it. + * + * If the tile was unused then it's removed from the cache. + * + * After usage, please give it back using ewk_tile_matrix_tile_put(). + * + * @param tm the tile matrix to get tile from. + * @param col the column number. + * @param row the row number. + * @param zoom the exact zoom to use. + * + * @return The tile instance or @c NULL if none is found. If the tile + * was in the unused cache it will be @b removed (thus + * considered used) and one should give it back with + * ewk_tile_matrix_tile_put() afterwards. + */ +Ewk_Tile *ewk_tile_matrix_tile_nearest_get(Ewk_Tile_Matrix *tm, unsigned long col, unsigned int row, float zoom) +{ + Ewk_Tile *t, *item, *item_found = NULL; + Eina_Inlist *inl; + float zoom_found = 0; + + EINA_SAFETY_ON_NULL_RETURN_VAL(tm, NULL); + EINA_SAFETY_ON_FALSE_RETURN_VAL(zoom > 0.0, NULL); + + t = eina_matrixsparse_data_idx_get(tm->matrix, row, col); + if (!t) + return NULL; + + if (t->zoom == zoom) { + item_found = t; + goto end; + } + + EINA_INLIST_FOREACH(EINA_INLIST_GET(t), item) { + float cur_zoom = item->zoom; + + if (cur_zoom == zoom) { + item_found = item; + break; + } + + if (cur_zoom > zoom) + cur_zoom = zoom / cur_zoom; + else + cur_zoom = cur_zoom / zoom; + + if (cur_zoom > zoom_found) { + item_found = item; + zoom_found = cur_zoom; + } + } + + if (!item_found) + return NULL; + + inl = eina_inlist_promote(EINA_INLIST_GET(t), EINA_INLIST_GET(item_found)); + eina_matrixsparse_data_idx_replace(tm->matrix, row, col, inl, NULL); + + end: + if (!item_found->visible) { + if (!ewk_tile_unused_cache_tile_get(tm->tuc, item_found)) + WRN("Ewk_Tile was unused but not in cache? bug!"); + } + + return item_found; +} + +/** + * Create a new tile at given position and zoom level in the matrix. + * + * The newly created tile is considered in use and not put into cache + * of unused tiles. After it is used one should call + * ewk_tile_matrix_tile_put() to give it back to matrix. + * + * @param tm the tile matrix to create tile on. + * @param col the column number. + * @param row the row number. + * @param zoom the level to create tile, used to determine tile size. + */ +Ewk_Tile *ewk_tile_matrix_tile_new(Ewk_Tile_Matrix *tm, Evas *evas, unsigned long col, unsigned int row, float zoom) +{ + Evas_Coord s; + Eina_Inlist *old; + Ewk_Tile *t; + + EINA_SAFETY_ON_NULL_RETURN_VAL(tm, NULL); + EINA_SAFETY_ON_FALSE_RETURN_VAL(zoom > 0.0, NULL); + + s = TILE_SIZE_AT_ZOOM(TILE_MATRIX_BASE_TILE_SIZE, zoom); + zoom = (float)s / (float)TILE_MATRIX_BASE_TILE_SIZE; + + t = ewk_tile_new(evas, s, s, zoom, tm->cspace); + if (!t) { + ERR("could not create tile %dx%d at %f, cspace=%d", + s, s, (double)zoom, tm->cspace); + return NULL; + } + + old = eina_matrixsparse_data_idx_get(tm->matrix, row, col); + old = eina_inlist_prepend(old, EINA_INLIST_GET(t)); + if (!eina_matrixsparse_data_idx_replace(tm->matrix, row, col, t, NULL)) { + ERR("could not set matrix cell, row/col outside matrix dimensions!"); + ewk_tile_free(t); + return NULL; + } + + t->col = col; + t->row = row; + t->x = col * s; + t->y = row * s; + + cairo_translate(t->cairo, -t->x, -t->y); + + t->stats.full_update = EINA_TRUE; + tm->updates = eina_list_append(tm->updates, t); + +#ifdef DEBUG_MEM_LEAKS + tm->stats.bytes.allocated += t->bytes; + tm->stats.tiles.allocated++; +#endif + + return t; +} + +/** + * Gives back the tile to the tile matrix. + * + * This will report the tile is no longer in use by the one that got + * it with ewk_tile_matrix_tile_nearest_get() or + * ewk_tile_matrix_tile_exact_get(). + * + * Any previous reference to tile should be released + * (ewk_tile_hide()) before calling this function, so it will + * be known if it is not visibile anymore and thus can be put into the + * unused cache. + * + * @param tm the tile matrix to return tile to. + * @param t the tile instance to return, must @b not be @c NULL. + * @param last_used time in which tile was last used. + * + * @return #EINA_TRUE on success or #EINA_FALSE on failure. + */ +Eina_Bool ewk_tile_matrix_tile_put(Ewk_Tile_Matrix *tm, Ewk_Tile *t, double last_used) +{ + EINA_SAFETY_ON_NULL_RETURN_VAL(tm, EINA_FALSE); + EINA_SAFETY_ON_NULL_RETURN_VAL(t, EINA_FALSE); + + if (t->visible) + return EINA_TRUE; + + t->stats.last_used = last_used; + return ewk_tile_unused_cache_tile_put(tm->tuc, t, _ewk_tile_matrix_tile_free, tm); +} + +Eina_Bool ewk_tile_matrix_tile_update(Ewk_Tile_Matrix *tm, unsigned long col, unsigned int row, const Eina_Rectangle *update) +{ + Ewk_Tile *l, *t; + Eina_Rectangle new_update; + EINA_SAFETY_ON_NULL_RETURN_VAL(tm, EINA_FALSE); + EINA_SAFETY_ON_NULL_RETURN_VAL(update, EINA_FALSE); + + memcpy(&new_update, update, sizeof(new_update)); + // check update is valid, otherwise return EINA_FALSE + if (update->x < 0 || update->y < 0 || update->w <= 0 || update->h <= 0) { + ERR("invalid update region."); + return EINA_FALSE; + } + + if (update->x + update->w - 1 >= TILE_MATRIX_BASE_TILE_SIZE) + new_update.w = TILE_MATRIX_BASE_TILE_SIZE - update->x; + if (update->y + update->h - 1 >= TILE_MATRIX_BASE_TILE_SIZE) + new_update.h = TILE_MATRIX_BASE_TILE_SIZE - update->y; + + l = eina_matrixsparse_data_idx_get(tm->matrix, row, col); + + if (!l) + return EINA_TRUE; + + EINA_INLIST_FOREACH(EINA_INLIST_GET(l), t) { + if (!t->updates && !t->stats.full_update) + tm->updates = eina_list_append(tm->updates, t); + new_update.x = roundf(t->zoom * new_update.x); + new_update.y = roundf(t->zoom * new_update.y); + new_update.w = roundf(t->zoom * new_update.w); + new_update.h = roundf(t->zoom * new_update.h); + ewk_tile_update_area(t, &new_update); + } + + return EINA_TRUE; +} + +Eina_Bool ewk_tile_matrix_tile_update_full(Ewk_Tile_Matrix *tm, unsigned long col, unsigned int row) +{ + Ewk_Tile *l, *t; + Eina_Matrixsparse_Cell *cell; + EINA_SAFETY_ON_NULL_RETURN_VAL(tm, EINA_FALSE); + + if (!eina_matrixsparse_cell_idx_get(tm->matrix, row, col, &cell)) + return EINA_FALSE; + + if (!cell) + return EINA_TRUE; + + l = eina_matrixsparse_cell_data_get(cell); + if (!l) { + CRITICAL("matrix cell with no tile!"); + return EINA_TRUE; + } + + EINA_INLIST_FOREACH(EINA_INLIST_GET(l), t) { + if (!t->updates && !t->stats.full_update) + tm->updates = eina_list_append(tm->updates, t); + ewk_tile_update_full(t); + } + + return EINA_TRUE; +} + +void ewk_tile_matrix_tile_updates_clear(Ewk_Tile_Matrix *tm, Ewk_Tile *t) +{ + EINA_SAFETY_ON_NULL_RETURN(tm); + if (!t->updates && !t->stats.full_update) + return; + ewk_tile_updates_clear(t); + tm->updates = eina_list_remove(tm->updates, t); +} + +static Eina_Bool _ewk_tile_matrix_slicer_setup(Ewk_Tile_Matrix *tm, const Eina_Rectangle *area, float zoom, Eina_Tile_Grid_Slicer *slicer) +{ + unsigned long rows, cols; + Evas_Coord x, y, w, h, tw, th; + + if (area->w <= 0 || area->h <= 0) { + WRN("invalid area region: %d,%d+%dx%d.", + area->x, area->y, area->w, area->h); + return EINA_FALSE; + } + + x = area->x; + y = area->y; + w = area->w; + h = area->h; + + tw = TILE_SIZE_AT_ZOOM(TILE_W, zoom); + th = TILE_SIZE_AT_ZOOM(TILE_H, zoom); + + // cropping area region to fit matrix + eina_matrixsparse_size_get(tm->matrix, &rows, &cols); + if (x < 0) { + w += x; + x = 0; + } + if (y < 0) { + h += y; + y = 0; + } + + if (y + h - 1 > rows * th) + h = rows * th - y; + if (x + w - 1 > cols * tw) + w = cols * tw - x; + + return eina_tile_grid_slicer_setup(slicer, x, y, w, h, tw, th); +} + + +Eina_Bool ewk_tile_matrix_update(Ewk_Tile_Matrix *tm, const Eina_Rectangle *update, float zoom) +{ + const Eina_Tile_Grid_Info *info; + Eina_Tile_Grid_Slicer slicer; + EINA_SAFETY_ON_NULL_RETURN_VAL(tm, EINA_FALSE); + EINA_SAFETY_ON_NULL_RETURN_VAL(update, EINA_FALSE); + + if (update->w < 1 || update->h < 1) { + DBG("Why we get updates with empty areas? %d,%d+%dx%d at zoom %f", + update->x, update->y, update->w, update->h, zoom); + return EINA_TRUE; + } + + if (!_ewk_tile_matrix_slicer_setup(tm, update, zoom, &slicer)) { + ERR("Could not setup slicer for update %d,%d+%dx%d at zoom %f", + update->x, update->y, update->w, update->h, zoom); + return EINA_FALSE; + } + + while (eina_tile_grid_slicer_next(&slicer, &info)) { + unsigned long col, row; + Ewk_Tile *l, *t; + col = info->col; + row = info->row; + + l = eina_matrixsparse_data_idx_get(tm->matrix, row, col); + if (!l) + continue; + + EINA_INLIST_FOREACH(EINA_INLIST_GET(l), t) { + if (!t->updates && !t->stats.full_update) + tm->updates = eina_list_append(tm->updates, t); + if (info->full) + ewk_tile_update_full(t); + else { + if (t->zoom != zoom) + ewk_tile_update_full(t); + else + ewk_tile_update_area(t, &info->rect); + } + } + } + + + return EINA_TRUE; +} + +void ewk_tile_matrix_updates_process(Ewk_Tile_Matrix *tm) +{ + Eina_List *l, *l_next; + Ewk_Tile *t; + EINA_SAFETY_ON_NULL_RETURN(tm); + + // process updates, unflag tiles + EINA_LIST_FOREACH_SAFE(tm->updates, l, l_next, t) { + ewk_tile_updates_process(t, tm->render.cb, tm->render.data); + if (t->visible) { + ewk_tile_updates_clear(t); + tm->updates = eina_list_remove_list(tm->updates, l); + } + } +} + +void ewk_tile_matrix_updates_clear(Ewk_Tile_Matrix *tm) +{ + Ewk_Tile *t; + EINA_SAFETY_ON_NULL_RETURN(tm); + + EINA_LIST_FREE(tm->updates, t) + ewk_tile_updates_clear(t); + tm->updates = NULL; +} + +// remove me later! +void ewk_tile_matrix_dbg(const Ewk_Tile_Matrix *tm) +{ + Eina_Iterator *it = eina_matrixsparse_iterator_complete_new(tm->matrix); + Eina_Matrixsparse_Cell *cell; + Eina_Bool last_empty = EINA_FALSE; + +#ifdef DEBUG_MEM_LEAKS + printf("Ewk_Tile Matrix: tiles[+%"PRIu64",-%"PRIu64":%"PRIu64"] " + "bytes[+%"PRIu64",-%"PRIu64":%"PRIu64"]\n", + tm->stats.tiles.allocated, tm->stats.tiles.freed, + tm->stats.tiles.allocated - tm->stats.tiles.freed, + tm->stats.bytes.allocated, tm->stats.bytes.freed, + tm->stats.bytes.allocated - tm->stats.bytes.freed); +#else + printf("Ewk_Tile Matrix:\n"); +#endif + + EINA_ITERATOR_FOREACH(it, cell) { + unsigned long row, col; + Eina_Inlist *l; + eina_matrixsparse_cell_position_get(cell, &row, &col); + l = eina_matrixsparse_cell_data_get(cell); + + if (!l) { + if (!last_empty) { + last_empty = EINA_TRUE; + printf("Empty:"); + } + printf(" [%lu,%lu]", col, row); + } else { + if (last_empty) { + last_empty = EINA_FALSE; + printf("\n"); + } + Ewk_Tile *t; + + printf("%3lu,%3lu %10p:", col, row, l); + EINA_INLIST_FOREACH(l, t) + printf(" [%3lu,%3lu + %dx%d @ %0.3f]%c", + t->col, t->row, t->w, t->h, t->zoom, + t->visible ? '*': ' '); + printf("\n"); + } + } + if (last_empty) + printf("\n"); + eina_iterator_free(it); + + ewk_tile_unused_cache_dbg(tm->tuc); +} + +/** + * Freeze matrix to not do maintenance tasks. + * + * Maintenance tasks optimize usage, but maybe we know we should hold + * on them until we do the last operation, in this case we freeze + * while operating and then thaw when we're done. + * + * @see ewk_tile_matrix_thaw() + */ +void ewk_tile_matrix_freeze(Ewk_Tile_Matrix *tm) +{ + EINA_SAFETY_ON_NULL_RETURN(tm); + if (!tm->frozen) + ewk_tile_unused_cache_freeze(tm->tuc); + tm->frozen++; +} + +/** + * Unfreezes maintenance tasks. + * + * If this is the last counterpart of freeze, then maintenance tasks + * will run immediately. + */ +void ewk_tile_matrix_thaw(Ewk_Tile_Matrix *tm) +{ + EINA_SAFETY_ON_NULL_RETURN(tm); + if (!tm->frozen) { + ERR("thawing more than freezing!"); + return; + } + + tm->frozen--; + if (!tm->frozen) + ewk_tile_unused_cache_thaw(tm->tuc); +} |