This is a maintenance fork
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

22 lines
1.2 KiB

#ifndef COSMOPOLITAN_DSP_MPEG_BLOCKSET_H_
#define COSMOPOLITAN_DSP_MPEG_BLOCKSET_H_
#if !(__ASSEMBLER__ + __LINKER__ + 0)
#define PLM_BLOCK_SET(DEST, DEST_INDEX, DEST_WIDTH, SOURCE_INDEX, \
SOURCE_WIDTH, BLOCK_SIZE, OP) \
do { \
int dest_scan = DEST_WIDTH - BLOCK_SIZE; \
int source_scan = SOURCE_WIDTH - BLOCK_SIZE; \
for (int y = 0; y < BLOCK_SIZE; y++) { \
for (int x = 0; x < BLOCK_SIZE; x++) { \
DEST[DEST_INDEX] = OP; \
SOURCE_INDEX++; \
DEST_INDEX++; \
} \
SOURCE_INDEX += source_scan; \
DEST_INDEX += dest_scan; \
} \
} while (false)
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_DSP_MPEG_BLOCKSET_H_ */