Following commit e8017dd366afabbd099a13d7d455a37fd50be124 here
are some more ifdef simplification.
For PIXEL_ID and PIXEL_DIST macros,
the ifndef LZ_PLT defines are special cases of the LZ_PLT
(#else) defines, when pix_per_byte is 1
Now do_match can accept pix_per_byte param for all different
definitions (implementations).
Signed-off-by: Uri Lublin <u...@redhat.com>
---
If people prefer I can split it to two patches, one for
the macros and one for do_match
---
server/glz-encode.tmpl.c | 14 +++-----------
1 file changed, 3 insertions(+), 11 deletions(-)
diff --git a/server/glz-encode.tmpl.c b/server/glz-encode.tmpl.c
index 6d2b000..033a810 100644
--- a/server/glz-encode.tmpl.c
+++ b/server/glz-encode.tmpl.c
@@ -128,18 +128,12 @@
#endif
-#ifndef LZ_PLT
-#define PIXEL_ID(pix_ptr, seg_ptr) \
- ((pix_ptr) - ((PIXEL *)(seg_ptr)->lines) + (seg_ptr)->pixels_so_far)
-#define PIXEL_DIST(src_pix_ptr, src_seg_ptr, ref_pix_ptr, ref_seg_ptr,
pix_per_byte) \
- (PIXEL_ID(src_pix_ptr,src_seg_ptr) - PIXEL_ID(ref_pix_ptr, ref_seg_ptr))
-#else
#define PIXEL_ID(pix_ptr, seg_ptr, pix_per_byte) \
(((pix_ptr) - ((PIXEL *)(seg_ptr)->lines)) * pix_per_byte +
(seg_ptr)->pixels_so_far)
+
#define PIXEL_DIST(src_pix_ptr, src_seg_ptr, ref_pix_ptr, ref_seg_ptr,
pix_per_byte) \
((PIXEL_ID(src_pix_ptr,src_seg_ptr, pix_per_byte) - \
PIXEL_ID(ref_pix_ptr, ref_seg_ptr, pix_per_byte)) / pix_per_byte)
-#endif
/* returns the length of the match. 0 if no match.
if image_distance = 0, pixel_distance is the distance between the matching
pixels.
@@ -149,9 +143,7 @@ static inline size_t FNAME(do_match)(SharedDictionary *dict,
const PIXEL *ref_limit,
WindowImageSegment *ip_seg, const PIXEL
*ip,
const PIXEL *ip_limit,
-#ifdef LZ_PLT
int pix_per_byte,
-#endif
size_t *o_image_dist, size_t
*o_pix_distance)
{
int encode_size;
@@ -262,6 +254,8 @@ static void FNAME(compress_seg)(Encoder *encoder, uint32_t
seg_idx, PIXEL *from,
int copy = copied;
#ifdef LZ_PLT
int pix_per_byte = PLT_PIXELS_PER_BYTE[encoder->cur_image.type];
+#else
+ int pix_per_byte = 1;
#endif
#ifdef DEBUG_ENCODE
@@ -342,9 +336,7 @@ static void FNAME(compress_seg)(Encoder *encoder, uint32_t
seg_idx, PIXEL *from,
ref_limit = (PIXEL *)ref_seg->lines_end;
len = FNAME(do_match)(encoder->dict, ref_seg, ref, ref_limit,
seg, ip, ip_bound,
-#ifdef LZ_PLT
pix_per_byte,
-#endif
&image_dist, &pix_dist);
#ifdef CHAINED_HASH
--
2.5.5
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