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Add MSA optimized colorspace conversion functions

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We add the following MSA optimized colorspace conversion functions:
- ConvertBGRAToRGBA
- ConvertBGRAToBGR
- ConvertBGRAToRGB

Change-Id: I76db1c829d593a06d4975d54dbafa385c82b84fb
This commit is contained in:
Parag Salasakar
2016-06-27 14:36:28 +05:30
committed by Pascal Massimino
parent f918cb1013
commit 701c772eed
8 changed files with 300 additions and 22 deletions
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80
src/dsp/msa_macro.h
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@ -196,6 +196,13 @@
#define LD_UB2(...) LD_B2(v16u8, __VA_ARGS__)
#define LD_SB2(...) LD_B2(v16i8, __VA_ARGS__)
#define LD_B3(RTYPE, psrc, stride, out0, out1, out2) { \
LD_B2(RTYPE, psrc, stride, out0, out1); \
out2 = LD_B(RTYPE, psrc + 2 * stride); \
}
#define LD_UB3(...) LD_B3(v16u8, __VA_ARGS__)
#define LD_SB3(...) LD_B3(v16i8, __VA_ARGS__)
#define LD_B4(RTYPE, psrc, stride, out0, out1, out2, out3) { \
LD_B2(RTYPE, psrc, stride, out0, out1); \
LD_B2(RTYPE, psrc + 2 * stride , stride, out2, out3); \
@ -316,6 +323,31 @@
#define SLDI_SB(...) SLDI_B(v16i8, __VA_ARGS__)
#define SLDI_SH(...) SLDI_B(v8i16, __VA_ARGS__)
/* Description : Shuffle byte vector elements as per mask vector
* Arguments : Inputs - in0, in1, in2, in3, mask0, mask1
* Outputs - out0, out1
* Return Type - as per RTYPE
* Details : Byte elements from 'in0' & 'in1' are copied selectively to
* 'out0' as per control vector 'mask0'
*/
#define VSHF_B(RTYPE, in0, in1, mask) \
(RTYPE)__msa_vshf_b((v16i8)mask, (v16i8)in1, (v16i8)in0)
#define VSHF_UB(...) VSHF_B(v16u8, __VA_ARGS__)
#define VSHF_SB(...) VSHF_B(v16i8, __VA_ARGS__)
#define VSHF_UH(...) VSHF_B(v8u16, __VA_ARGS__)
#define VSHF_SH(...) VSHF_B(v8i16, __VA_ARGS__)
#define VSHF_B2(RTYPE, in0, in1, in2, in3, mask0, mask1, out0, out1) do { \
out0 = VSHF_B(RTYPE, in0, in1, mask0); \
out1 = VSHF_B(RTYPE, in2, in3, mask1); \
} while (0)
#define VSHF_B2_UB(...) VSHF_B2(v16u8, __VA_ARGS__)
#define VSHF_B2_SB(...) VSHF_B2(v16i8, __VA_ARGS__)
#define VSHF_B2_UH(...) VSHF_B2(v8u16, __VA_ARGS__)
#define VSHF_B2_SH(...) VSHF_B2(v8i16, __VA_ARGS__)
/* Description : Shuffle halfword vector elements as per mask vector
* Arguments : Inputs - in0, in1, in2, in3, mask0, mask1
* Outputs - out0, out1
@ -323,10 +355,11 @@
* Details : halfword elements from 'in0' & 'in1' are copied selectively to
* 'out0' as per control vector 'mask0'
*/
#define VSHF_H2(RTYPE, in0, in1, in2, in3, mask0, mask1, out0, out1) { \
out0 = (RTYPE)__msa_vshf_h((v8i16)mask0, (v8i16)in1, (v8i16)in0); \
out1 = (RTYPE)__msa_vshf_h((v8i16)mask1, (v8i16)in3, (v8i16)in2); \
}
#define VSHF_H2(RTYPE, in0, in1, in2, in3, mask0, mask1, out0, out1) do { \
out0 = (RTYPE)__msa_vshf_h((v8i16)mask0, (v8i16)in1, (v8i16)in0); \
out1 = (RTYPE)__msa_vshf_h((v8i16)mask1, (v8i16)in3, (v8i16)in2); \
} while (0)
#define VSHF_H2_UH(...) VSHF_H2(v8u16, __VA_ARGS__)
#define VSHF_H2_SH(...) VSHF_H2(v8i16, __VA_ARGS__)
@ -335,36 +368,39 @@
* Arguments : Input/output - val
* Return Type - signed halfword
*/
#define CLIP_SH_0_255(val) { \
#define CLIP_SH_0_255(val) do { \
const v8i16 max_m = __msa_ldi_h(255); \
val = __msa_maxi_s_h((v8i16)val, 0); \
val = __msa_min_s_h(max_m, (v8i16)val); \
}
#define CLIP_SH2_0_255(in0, in1) { \
CLIP_SH_0_255(in0); \
CLIP_SH_0_255(in1); \
}
#define CLIP_SH4_0_255(in0, in1, in2, in3) { \
CLIP_SH2_0_255(in0, in1); \
CLIP_SH2_0_255(in2, in3); \
}
} while (0)
#define CLIP_SH2_0_255(in0, in1) do { \
CLIP_SH_0_255(in0); \
CLIP_SH_0_255(in1); \
} while (0)
#define CLIP_SH4_0_255(in0, in1, in2, in3) do { \
CLIP_SH2_0_255(in0, in1); \
CLIP_SH2_0_255(in2, in3); \
} while (0)
/* Description : Clips all signed word elements of input vector
* between 0 & 255
* Arguments : Input/output - val
* Return Type - signed word
*/
#define CLIP_SW_0_255(val) { \
#define CLIP_SW_0_255(val) do { \
const v4i32 max_m = __msa_ldi_w(255); \
val = __msa_maxi_s_w((v4i32)val, 0); \
val = __msa_min_s_w(max_m, (v4i32)val); \
}
#define CLIP_SW4_0_255(in0, in1, in2, in3) { \
CLIP_SW_0_255(in0); \
CLIP_SW_0_255(in1); \
CLIP_SW_0_255(in2); \
CLIP_SW_0_255(in3); \
}
} while (0)
#define CLIP_SW4_0_255(in0, in1, in2, in3) do { \
CLIP_SW_0_255(in0); \
CLIP_SW_0_255(in1); \
CLIP_SW_0_255(in2); \
CLIP_SW_0_255(in3); \
} while (0)
/* Description : Horizontal addition of 8 unsigned halfword elements
* Arguments : Input - in (unsigned halfword vector)