diff options
Diffstat (limited to 'pixman/pixman-arm-neon-asm.h')
| -rw-r--r-- | pixman/pixman-arm-neon-asm.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/pixman/pixman-arm-neon-asm.h b/pixman/pixman-arm-neon-asm.h index 24fa361..97adc6a 100644 --- a/pixman/pixman-arm-neon-asm.h +++ b/pixman/pixman-arm-neon-asm.h @@ -1158,3 +1158,20 @@ fname: vsri.u16 out, tmp1, #5 vsri.u16 out, tmp2, #11 .endm + +/* + * Conversion of four r5g6b5 pixels (in) to four x8r8g8b8 pixels + * returned in (out0, out1) registers pair. Requires one temporary + * 64-bit register (tmp). 'out1' and 'in' may overlap, the original + * value from 'in' is lost + */ +.macro convert_four_0565_to_x888_packed in, out0, out1, tmp + vshl.u16 out0, in, #5 /* G top 6 bits */ + vshl.u16 tmp, in, #11 /* B top 5 bits */ + vsri.u16 in, in, #5 /* R is ready in top bits */ + vsri.u16 out0, out0, #6 /* G is ready in top bits */ + vsri.u16 tmp, tmp, #5 /* B is ready in top bits */ + vshr.u16 out1, in, #8 /* R is in place */ + vsri.u16 out0, tmp, #8 /* G & B is in place */ + vzip.u16 out0, out1 /* everything is in place */ +.endm |