diff options
author | hbono@chromium.org <hbono@chromium.org@4ff67af0-8c30-449e-8e8b-ad334ec8d88c> | 2011-08-03 03:13:08 +0000 |
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committer | hbono@chromium.org <hbono@chromium.org@4ff67af0-8c30-449e-8e8b-ad334ec8d88c> | 2011-08-03 03:13:08 +0000 |
commit | 9862697206250265c6bb37a4186b0a411c78de3b (patch) | |
tree | 1713b1df6c111f7d47cceb3cf138e7584ac764d0 /jmemmgr.c | |
parent | 0758f15d76566a0504857c18bdce8530074f816a (diff) |
Updates libjpeg-turbo to 1.1.90
This change updates our copy of libjpeg-turbo to 1.1.90 (r677), which supports ARM NEON.
BUG=none
TEST=none
Review URL: http://codereview.chromium.org/7554002
git-svn-id: http://src.chromium.org/svn/trunk/deps/third_party/libjpeg_turbo@95196 4ff67af0-8c30-449e-8e8b-ad334ec8d88c
Diffstat (limited to 'jmemmgr.c')
-rw-r--r-- | jmemmgr.c | 15 |
1 files changed, 12 insertions, 3 deletions
@@ -37,6 +37,15 @@ extern char * getenv JPP((const char * name)); #endif +LOCAL(size_t) +round_up_pow2 (size_t a, size_t b) +/* a rounded up to the next multiple of b, i.e. ceil(a/b)*b */ +/* Assumes a >= 0, b > 0, and b is a power of 2 */ +{ + return ((a + b - 1) & (~(b - 1))); +} + + /* * Some important notes: * The allocation routines provided here must never return NULL. @@ -265,7 +274,7 @@ alloc_small (j_common_ptr cinfo, int pool_id, size_t sizeofobject) * and so that algorithms can straddle outside the proper area up * to the next alignment. */ - sizeofobject = jround_up(sizeofobject, ALIGN_SIZE); + sizeofobject = round_up_pow2(sizeofobject, ALIGN_SIZE); /* Check for unsatisfiable request (do now to ensure no overflow below) */ if ((SIZEOF(small_pool_hdr) + sizeofobject + ALIGN_SIZE - 1) > MAX_ALLOC_CHUNK) @@ -354,7 +363,7 @@ alloc_large (j_common_ptr cinfo, int pool_id, size_t sizeofobject) * algorithms can straddle outside the proper area up to the next * alignment. */ - sizeofobject = jround_up(sizeofobject, ALIGN_SIZE); + sizeofobject = round_up_pow2(sizeofobject, ALIGN_SIZE); /* Check for unsatisfiable request (do now to ensure no overflow below) */ if ((SIZEOF(large_pool_hdr) + sizeofobject + ALIGN_SIZE - 1) > MAX_ALLOC_CHUNK) @@ -420,7 +429,7 @@ alloc_sarray (j_common_ptr cinfo, int pool_id, /* Make sure each row is properly aligned */ if ((ALIGN_SIZE % SIZEOF(JSAMPLE)) != 0) out_of_memory(cinfo, 5); /* safety check */ - samplesperrow = (JDIMENSION)jround_up(samplesperrow, (2 * ALIGN_SIZE) / SIZEOF(JSAMPLE)); + samplesperrow = (JDIMENSION)round_up_pow2(samplesperrow, (2 * ALIGN_SIZE) / SIZEOF(JSAMPLE)); /* Calculate max # of rows allowed in one allocation chunk */ ltemp = (MAX_ALLOC_CHUNK-SIZEOF(large_pool_hdr)) / |