pxcloud/spice-common
6
0
Fork 0
mirror of https://gitlab.uni-freiburg.de/opensourcevdi/spice-common synced 2026-08-08 17:45:17 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

quic: Rework PIXEL_A/PIXEL_B macros

Browse Source 
This makes them identical to their counterparts in quic_rgb_tmpl.c

Signed-off-by: Frediano Ziglio <fziglio@redhat.com>
Signed-off-by: Christophe Fergeau <cfergeau@redhat.com>
This commit is contained in:
Frediano Ziglio 2018-07-10 11:02:09 +02:00
parent 946d3dda22
commit 499b10e494
1 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
common/quic_tmpl.c
View File

@ -43,8 +43,8 @@
#define SET_a(pix, val) ((pix)->a = val)
#define GET_a(pix) ((pix)->a)
#define _PIXEL_A ((unsigned int)curr[-1].a)
#define _PIXEL_B ((unsigned int)prev[0].a)
#define _PIXEL_A(channel, curr) ((unsigned int)GET_##channel((curr) - 1))
#define _PIXEL_B(channel, prev) ((unsigned int)GET_##channel(prev))
#define RLE_PRED_IMP \
if (prev_row[i - 1].a == prev_row[i].a) { \
@ -56,13 +56,13 @@ if (prev_row[i - 1].a == prev_row[i].a) { \
/* a */
static inline BYTE FNAME(decorrelate_0)(const PIXEL * const curr, const unsigned int bpc_mask)
{
return family.xlatU2L[(unsigned)((int)curr[0].a - (int)_PIXEL_A) & bpc_mask];
return family.xlatU2L[(unsigned)((int)GET_a(curr) - (int)_PIXEL_A(a, curr)) & bpc_mask];
}
static inline void FNAME(correlate_0)(PIXEL *curr, const BYTE correlate,
const unsigned int bpc_mask)
{
curr->a = (family.xlatL2U[correlate] + _PIXEL_A) & bpc_mask;
curr->a = (family.xlatL2U[correlate] + _PIXEL_A(a, curr)) & bpc_mask;
}
@ -70,14 +70,14 @@ static inline void FNAME(correlate_0)(PIXEL *curr, const BYTE correlate,
static inline BYTE FNAME(decorrelate)(const PIXEL *const prev, const PIXEL * const curr,
const unsigned int bpc_mask)
{
return family.xlatU2L[(unsigned)((int)curr->a - (int)((_PIXEL_A + _PIXEL_B) >> 1)) & bpc_mask];
return family.xlatU2L[(unsigned)((int)curr->a - (int)((_PIXEL_A(a, curr) + _PIXEL_B(a, prev)) >> 1)) & bpc_mask];
}
static inline void FNAME(correlate)(const PIXEL *prev, PIXEL *curr, const BYTE correlate,
const unsigned int bpc_mask)
{
curr->a = (family.xlatL2U[correlate] + (int)((_PIXEL_A + _PIXEL_B) >> 1)) & bpc_mask;
curr->a = (family.xlatL2U[correlate] + (int)((_PIXEL_A(a, curr) + _PIXEL_B(a, prev)) >> 1)) & bpc_mask;
}
#define COMPRESS_ONE_ROW0_0(channel) \