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| author | Robin Watts <Robin.Watts@artifex.com> | 2013-08-26 15:08:28 +0000 |
|---|---|---|
| committer | Robin Watts <robin.watts@artifex.com> | 2013-08-28 13:35:40 +0100 |
| commit | 0924e802017d5a669041a86beb0f1348d5fda8da (patch) | |
| tree | 38dd37716e5632665218fe7e15a3977067817e6b /source/fitz | |
| parent | 346295fb26f35e7b2fd15d94248cf42deecfd4a7 (diff) | |
| download | mupdf-0924e802017d5a669041a86beb0f1348d5fda8da.tar.xz | |
Dump glyph cache size as part of mudraw -M
Diffstat (limited to 'source/fitz')
| -rw-r--r-- | source/fitz/draw-glyph.c | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/source/fitz/draw-glyph.c b/source/fitz/draw-glyph.c index f38f9140..859c8762 100644 --- a/source/fitz/draw-glyph.c +++ b/source/fitz/draw-glyph.c @@ -34,6 +34,10 @@ struct fz_glyph_cache_s { int refs; int total; +#ifndef NDEBUG + int num_evictions; + int evicted; +#endif fz_glyph_cache_entry *entry[GLYPH_HASH_LEN]; fz_glyph_cache_entry *lru_head; fz_glyph_cache_entry *lru_tail; @@ -78,7 +82,7 @@ drop_glyph_cache_entry(fz_context *ctx, fz_glyph_cache_entry *entry) /* The glyph cache lock is always held when this function is called. */ static void -fz_evict_glyph_cache(fz_context *ctx) +do_purge(fz_context *ctx) { fz_glyph_cache *cache = ctx->glyph_cache; int i; @@ -96,7 +100,7 @@ void fz_purge_glyph_cache(fz_context *ctx) { fz_lock(ctx, FZ_LOCK_GLYPHCACHE); - fz_evict_glyph_cache(ctx); + do_purge(ctx); fz_unlock(ctx, FZ_LOCK_GLYPHCACHE); } @@ -110,7 +114,7 @@ fz_drop_glyph_cache_context(fz_context *ctx) ctx->glyph_cache->refs--; if (ctx->glyph_cache->refs == 0) { - fz_evict_glyph_cache(ctx); + do_purge(ctx); fz_free(ctx, ctx->glyph_cache); ctx->glyph_cache = NULL; } @@ -318,6 +322,10 @@ fz_render_glyph(fz_context *ctx, fz_font *font, int gid, const fz_matrix *ctm, f cache->total += val->w * val->h; while (cache->total > MAX_CACHE_SIZE) { +#ifndef NDEBUG + cache->num_evictions++; + cache->evicted += cache->lru_tail->val->w * cache->lru_tail->val->h; +#endif drop_glyph_cache_entry(ctx, cache->lru_tail); } @@ -339,3 +347,14 @@ fz_render_glyph(fz_context *ctx, fz_font *font, int gid, const fz_matrix *ctm, f return val; } + +void +fz_dump_glyph_cache_stats(fz_context *ctx) +{ + fz_glyph_cache *cache = ctx->glyph_cache; + + printf("Glyph Cache Size: %d\n", cache->total); +#ifndef NDEBUG + printf("Glyph Cache Evictions: %d (%d bytes)\n", cache->num_evictions, cache->evicted); +#endif +} |