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Add MSA optimized intra pred chroma functions

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We add the following MSA optimized intra pred chroma functions:
- DC8uv
- TM8uv
- VE8uv
- HE8uv
- DC8uvNoTop
- DC8uvNoLeft
- DC8uvNoTopLeft

Change-Id: I48ad2409f334371acd38f4a70626ebcf2e10f4fe
This commit is contained in:
Parag Salasakar 2016-06-24 11:36:54 +05:30
parent 293d786f31
commit 6a19793777
1 changed files with 109 additions and 0 deletions
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109
src/dsp/dec_msa.c
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@ -865,6 +865,108 @@ static void DC16NoTopLeft(uint8_t* dst) { // DC with nothing
ST_UB8(out, out, out, out, out, out, out, out, dst + 8 * BPS, BPS);
}
// Chroma
#define STORE8x8(out, dst) do { \
SD4(out, out, out, out, dst + 0 * BPS, BPS); \
SD4(out, out, out, out, dst + 4 * BPS, BPS); \
} while (0)
static void DC8uv(uint8_t* dst) { // DC
uint32_t dc = 8;
int i;
uint64_t out;
const v16u8 rtop = LD_UB(dst - BPS);
const v8u16 temp0 = __msa_hadd_u_h(rtop, rtop);
const v4u32 temp1 = __msa_hadd_u_w(temp0, temp0);
const v2u64 temp2 = __msa_hadd_u_d(temp1, temp1);
v16u8 dctemp;
for (i = 0; i < 8; ++i) {
dc += dst[-1 + i * BPS];
}
dc += __msa_copy_s_w((v4i32)temp2, 0);
dctemp = (v16u8)__msa_fill_b(dc >> 4);
out = __msa_copy_s_d((v2i64)dctemp, 0);
STORE8x8(out, dst);
}
static void TM8uv(uint8_t* dst) {
int j;
const v16i8 T1 = LD_SB(dst - BPS);
const v16i8 zero = { 0 };
const v8i16 T = (v8i16)__msa_ilvr_b(zero, T1);
const v8i16 TL = (v8i16)__msa_fill_h(dst[-1 - BPS]);
const v8i16 d = T - TL;
for (j = 0; j < 8; j += 4) {
v16i8 t0, t1;
v8i16 r0 = (v8i16)__msa_fill_h(dst[-1 + 0 * BPS]);
v8i16 r1 = (v8i16)__msa_fill_h(dst[-1 + 1 * BPS]);
v8i16 r2 = (v8i16)__msa_fill_h(dst[-1 + 2 * BPS]);
v8i16 r3 = (v8i16)__msa_fill_h(dst[-1 + 3 * BPS]);
ADD4(d, r0, d, r1, d, r2, d, r3, r0, r1, r2, r3);
CLIP_SH4_0_255(r0, r1, r2, r3);
PCKEV_B2_SB(r1, r0, r3, r2, t0, t1);
ST4x4_UB(t0, t1, 0, 2, 0, 2, dst, BPS);
ST4x4_UB(t0, t1, 1, 3, 1, 3, dst + 4, BPS);
dst += 4 * BPS;
}
}
static void VE8uv(uint8_t* dst) { // vertical
const v16u8 rtop = LD_UB(dst - BPS);
const uint64_t out = __msa_copy_s_d((v2i64)rtop, 0);
STORE8x8(out, dst);
}
static void HE8uv(uint8_t* dst) { // horizontal
int j;
for (j = 0; j < 8; j += 4) {
const v16u8 L0 = (v16u8)__msa_fill_b(dst[-1 + 0 * BPS]);
const v16u8 L1 = (v16u8)__msa_fill_b(dst[-1 + 1 * BPS]);
const v16u8 L2 = (v16u8)__msa_fill_b(dst[-1 + 2 * BPS]);
const v16u8 L3 = (v16u8)__msa_fill_b(dst[-1 + 3 * BPS]);
const uint64_t out0 = __msa_copy_s_d((v2i64)L0, 0);
const uint64_t out1 = __msa_copy_s_d((v2i64)L1, 0);
const uint64_t out2 = __msa_copy_s_d((v2i64)L2, 0);
const uint64_t out3 = __msa_copy_s_d((v2i64)L3, 0);
SD4(out0, out1, out2, out3, dst, BPS);
dst += 4 * BPS;
}
}
static void DC8uvNoLeft(uint8_t* dst) { // DC with no left samples
const uint32_t dc = 4;
const v16u8 rtop = LD_UB(dst - BPS);
const v8u16 temp0 = __msa_hadd_u_h(rtop, rtop);
const v4u32 temp1 = __msa_hadd_u_w(temp0, temp0);
const v2u64 temp2 = __msa_hadd_u_d(temp1, temp1);
const uint32_t sum_m = __msa_copy_s_w((v4i32)temp2, 0);
const v16u8 dcval = (v16u8)__msa_fill_b((dc + sum_m) >> 3);
const uint64_t out = __msa_copy_s_d((v2i64)dcval, 0);
STORE8x8(out, dst);
}
static void DC8uvNoTop(uint8_t* dst) { // DC with no top samples
uint32_t dc = 4;
int i;
uint64_t out;
v16u8 dctemp;
for (i = 0; i < 8; ++i) {
dc += dst[-1 + i * BPS];
}
dctemp = (v16u8)__msa_fill_b(dc >> 3);
out = __msa_copy_s_d((v2i64)dctemp, 0);
STORE8x8(out, dst);
}
static void DC8uvNoTopLeft(uint8_t* dst) { // DC with nothing
const uint64_t out = 0x8080808080808080ULL;
STORE8x8(out, dst);
}
//------------------------------------------------------------------------------
// Entry point
@ -901,6 +1003,13 @@ WEBP_TSAN_IGNORE_FUNCTION void VP8DspInitMSA(void) {
VP8PredLuma16[4] = DC16NoTop;
VP8PredLuma16[5] = DC16NoLeft;
VP8PredLuma16[6] = DC16NoTopLeft;
VP8PredChroma8[0] = DC8uv;
VP8PredChroma8[1] = TM8uv;
VP8PredChroma8[2] = VE8uv;
VP8PredChroma8[3] = HE8uv;
VP8PredChroma8[4] = DC8uvNoTop;
VP8PredChroma8[5] = DC8uvNoLeft;
VP8PredChroma8[6] = DC8uvNoTopLeft;
}
#else // !WEBP_USE_MSA