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Add MSA optimized YUV to RGB upsampling functions

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We add the following MSA optimized YUV to RGB upsampling functions:
- UpsampleRgbLinePair
- UpsampleBgrLinePair
- UpsampleRgbaLinePair
- UpsampleBgraLinePair
- UpsampleArgbLinePair
- UpsampleRgba4444LinePair
- UpsampleRgb565LinePair

Change-Id: I7264a615edc7eb376e443e9d38bd8e3c9a2cab1f
This commit is contained in:
Parag Salasakar
2016-07-21 20:00:44 +05:30
committed by Pascal Massimino
parent ebee57f4d1
commit d3ddacb625
8 changed files with 743 additions and 0 deletions
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54
src/dsp/msa_macro.h
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@ -28,6 +28,9 @@
#define SRAI_H(a, b) __msa_srai_h((v8i16)a, b)
#define SRAI_W(a, b) __msa_srai_w((v4i32)a, b)
#define SRLI_H(a, b) __msa_srli_h((v8i16)a, b)
#define SLLI_B(a, b) __msa_slli_b((v4i32)a, b)
#define ANDI_B(a, b) __msa_andi_b((v16u8)a, b)
#define ORI_B(a, b) __msa_ori_b((v16u8)a, b)
#else
#define ADDVI_H(a, b) (a + b)
#define ADDVI_W(a, b) (a + b)
@ -35,6 +38,9 @@
#define SRAI_H(a, b) (a >> b)
#define SRAI_W(a, b) (a >> b)
#define SRLI_H(a, b) (a << b)
#define SLLI_B(a, b) (a << b)
#define ANDI_B(a, b) (a & b)
#define ORI_B(a, b) (a | b)
#endif
#define LD_B(RTYPE, psrc) *((RTYPE*)(psrc))
@ -535,6 +541,23 @@
CLIP_SH2_0_255(in2, in3); \
} while (0)
/* Description : Clips all unsigned halfword elements of input vector
* between 0 & 255
* Arguments : Input - in
* Output - out_m
* Return Type - unsigned halfword
*/
#define CLIP_UH_0_255(in) do { \
const v8u16 max_m = (v8u16)__msa_ldi_h(255); \
in = __msa_maxi_u_h((v8u16) in, 0); \
in = __msa_min_u_h((v8u16) max_m, (v8u16) in); \
} while (0)
#define CLIP_UH2_0_255(in0, in1) do { \
CLIP_UH_0_255(in0); \
CLIP_UH_0_255(in1); \
} while (0)
/* Description : Clips all signed word elements of input vector
* between 0 & 255
* Arguments : Input/output - val
@ -1000,6 +1023,23 @@ static WEBP_INLINE uint32_t func_hadd_uh_u32(v8u16 in) {
#define PCKEV_W2_SW(...) PCKEV_W2(v4i32, __VA_ARGS__)
#define PCKEV_W2_UW(...) PCKEV_W2(v4u32, __VA_ARGS__)
/* Description : Pack odd halfword elements of vector pairs
* Arguments : Inputs - in0, in1, in2, in3
* Outputs - out0, out1
* Return Type - as per RTYPE
* Details : Odd halfword elements of 'in0' are copied to the left half of
* 'out0' & odd halfword elements of 'in1' are copied to the
* right half of 'out0'.
*/
#define PCKOD_H2(RTYPE, in0, in1, in2, in3, out0, out1) do { \
out0 = (RTYPE)__msa_pckod_h((v8i16)in0, (v8i16)in1); \
out1 = (RTYPE)__msa_pckod_h((v8i16)in2, (v8i16)in3); \
} while (0)
#define PCKOD_H2_UH(...) PCKOD_H2(v8u16, __VA_ARGS__)
#define PCKOD_H2_SH(...) PCKOD_H2(v8i16, __VA_ARGS__)
#define PCKOD_H2_SW(...) PCKOD_H2(v4i32, __VA_ARGS__)
#define PCKOD_H2_UW(...) PCKOD_H2(v4u32, __VA_ARGS__)
/* Description : Arithmetic immediate shift right all elements of word vector
* Arguments : Inputs - in0, in1, shift
* Outputs - in place operation
@ -1333,4 +1373,18 @@ static WEBP_INLINE uint32_t func_hadd_uh_u32(v8u16 in) {
ST4x4_UB(tmp0_m, tmp1_m, 0, 2, 0, 2, pdst, stride); \
} while (0)
/* Description : average with rounding (in0 + in1 + 1) / 2.
* Arguments : Inputs - in0, in1, in2, in3,
* Outputs - out0, out1
* Return Type - as per RTYPE
* Details : Each unsigned byte element from 'in0' vector is added with
* each unsigned byte element from 'in1' vector. Then the average
* with rounding is calculated and written to 'out0'
*/
#define AVER_UB2(RTYPE, in0, in1, in2, in3, out0, out1) do { \
out0 = (RTYPE)__msa_aver_u_b((v16u8)in0, (v16u8)in1); \
out1 = (RTYPE)__msa_aver_u_b((v16u8)in2, (v16u8)in3); \
} while (0)
#define AVER_UB2_UB(...) AVER_UB2(v16u8, __VA_ARGS__)
#endif /* WEBP_DSP_MSA_MACRO_H_ */