diff options
Diffstat (limited to 'apps/plugins')
| -rw-r--r-- | apps/plugins/pictureflow.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/apps/plugins/pictureflow.c b/apps/plugins/pictureflow.c index 1190de1..344f6ff 100644 --- a/apps/plugins/pictureflow.c +++ b/apps/plugins/pictureflow.c @@ -397,8 +397,12 @@ static inline PFreal fcos(int iangle) return fsin(iangle + (IANGLE_MAX >> 2)); } -#define DIV255(val) ((((((val)>>8)+(val))>>8)+(val))>>8) -#define SCALE_VAL(val,out) DIV255((val) * (out) + 127) +static inline uint32_t div255(uint32_t val) +{ + return ((((val >> 8) + val) >> 8) + val) >> 8; +} + +#define SCALE_VAL(val,out) div255((val) * (out) + 127) static void output_row_transposed(uint32_t row, void * row_in, struct scaler_context *ctx) |