diff options
Diffstat (limited to 'src/gui/painting/qt_mips_asm_dsp.h')
| -rw-r--r-- | src/gui/painting/qt_mips_asm_dsp.h | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/src/gui/painting/qt_mips_asm_dsp.h b/src/gui/painting/qt_mips_asm_dsp.h index bcde7068a2..088831f6e4 100644 --- a/src/gui/painting/qt_mips_asm_dsp.h +++ b/src/gui/painting/qt_mips_asm_dsp.h @@ -110,4 +110,140 @@ LEAF_MIPS32R2(symbol) \ .end function; \ .size function,.-function +/* + * BYTE_MUL operation on two pixels (in_1 and in_2) with two + * multiplicator bytes, repl_a1 and repl_a2, which should be + * prepered with: + * replv.ph repl_a1, a1 + * replv.ph repl_a2, a2 + * to became such as: + * repl_a1 = | 00 | a1 | 00 | a1 | + * repl_a2 = | 00 | a2 | 00 | a2 | + * + * rounding_factor must have following value: + * li rounding_factor, 0x00800080 + * + * scratch(n) - temporary registers + * + * in_const: 1 -> (default) causes that in_1, in_2 + * registers will remain unchanged after usage + * 0 -> (or anything different then 1) causes + * that registers repl_a1, repl_a2 remain + * unchanged after usage + */ +.macro BYTE_MUL_x2 in_1, in_2, out_1, out_2 \ + repl_a1, repl_a2, rounding_factor, \ + scratch1, scratch2, scratch3, scratch4, \ + in_const = 1 + muleu_s.ph.qbl \scratch1, \in_1, \repl_a1 + muleu_s.ph.qbr \scratch2, \in_1, \repl_a1 + muleu_s.ph.qbl \scratch3, \in_2, \repl_a2 + muleu_s.ph.qbr \scratch4, \in_2, \repl_a2 + +.if \in_const == 1 + preceu.ph.qbla \repl_a1, \scratch1 + preceu.ph.qbla \repl_a2, \scratch2 + preceu.ph.qbla \out_1, \scratch3 + preceu.ph.qbla \out_2, \scratch4 + + addu \scratch1, \repl_a1, \scratch1 + addu \scratch2, \repl_a2, \scratch2 +.else + preceu.ph.qbla \in_1, \scratch1 + preceu.ph.qbla \in_2, \scratch2 + preceu.ph.qbla \out_1, \scratch3 + preceu.ph.qbla \out_2, \scratch4 + + addu \scratch1, \in_1, \scratch1 + addu \scratch2, \in_2, \scratch2 +.endif + + addu \out_1, \out_1, \scratch3 + addu \out_2, \out_2, \scratch4 + + addu \scratch1, \scratch1, \rounding_factor + addu \scratch2, \scratch2, \rounding_factor + addu \scratch3, \out_1, \rounding_factor + addu \scratch4, \out_2, \rounding_factor + + precrq.qb.ph \out_1, \scratch1, \scratch2 + precrq.qb.ph \out_2, \scratch3, \scratch4 + +.endm + +/* + * BYTE_MUL operation on one pixel (in_1) with + * multiplicator byte, repl_a1, which should be + * prepered with: + * replv.ph repl_a1, a1 + * to became such as: + * repl_a1 = | 00 | a1 | 00 | a1 | + * + * rounding_factor must have following value: + * li rounding_factor, 0x00800080 + * + * scratch(n) - temporary registers + */ +.macro BYTE_MUL in_1, out_1, \ + repl_a1, rounding_factor, \ + scratch1, scratch2, scratch3, scratch4 + muleu_s.ph.qbl \scratch1, \in_1, \repl_a1 + muleu_s.ph.qbr \scratch2, \in_1, \repl_a1 + + preceu.ph.qbla \scratch3, \scratch1 + preceu.ph.qbla \scratch4, \scratch2 + + addu \scratch1, \scratch1, \scratch3 + addu \scratch1, \scratch1, \rounding_factor + + addu \scratch2, \scratch2, \scratch4 + addu \scratch2, \scratch2, \rounding_factor + + precrq.qb.ph \out_1, \scratch1, \scratch2 + +.endm + +/* + * macro for INTERPOLATE_PIXEL_255 operation + * in_1 - First value to multiply + * mul_1 - Multiplicator byte for first value + * in_2 - Second value to multiply + * mul_2 - Multiplicator byte for second value + * rounding_factor and andi_factor should be prepared + * as: + * li rounding_factor, 0x00800080 + * li andi_factor, 0xff00ff00 + * scratch(n) - temporary registers + */ +.macro INTERPOLATE_PIXEL_255 in_1, mul_1, \ + in_2, mul_2, \ + out_1, \ + rounding_factor, andi_factor \ + scratch1, scratch2, scratch3, scratch4 +# x part + preceu.ph.qbra \scratch1, \in_1 + preceu.ph.qbra \scratch2, \in_2 + mul \scratch1, \scratch1, \mul_1 + mul \scratch2, \scratch2, \mul_2 +# x>>8 part + preceu.ph.qbla \scratch3, \in_1 + preceu.ph.qbla \scratch4, \in_2 + mul \scratch3, \scratch3, \mul_1 + mul \scratch4, \scratch4, \mul_2 +# x part + addu \scratch1, \scratch1, \scratch2 + preceu.ph.qbla \scratch2, \scratch1 + addu \scratch1, \scratch1, \scratch2 + addu \scratch1, \scratch1, \rounding_factor + preceu.ph.qbla \scratch1, \scratch1 +# x>>8 part + addu \scratch3, \scratch3, \scratch4 + preceu.ph.qbla \scratch4, \scratch3 + addu \scratch3, \scratch3, \scratch4 + addu \scratch3, \scratch3, \rounding_factor + and \scratch3, \scratch3, \andi_factor + + or \out_1, \scratch1, \scratch3 +.endm + #endif //QT_MIPS_DSP_H__ |