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Add MSA optimized encoder IntraChromaPreds function
We add the following MSA optimized intrapred chroma function: - IntraChromaPreds Change-Id: I051cd174f5ce675aeb94e648d52c5a340a133ed4
This commit is contained in:
Parag Salasakar
parent
7b4b05e0dc
commit
afe3cec813
@ -521,6 +521,137 @@ static void Intra16Preds(uint8_t* dst,
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TrueMotion16x16(I16TM16 + dst, left, top);
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}
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// Chroma 8x8 prediction
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#define CALC_DC8(in, out) do { \
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const v8u16 temp0 = __msa_hadd_u_h(in, in); \
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const v4u32 temp1 = __msa_hadd_u_w(temp0, temp0); \
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const v2i64 temp2 = (v2i64)__msa_hadd_u_d(temp1, temp1); \
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const v2i64 temp3 = __msa_splati_d(temp2, 1); \
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const v2i64 temp4 = temp3 + temp2; \
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const v16i8 temp5 = (v16i8)__msa_srari_d(temp4, 4); \
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const v2i64 temp6 = (v2i64)__msa_splati_b(temp5, 0); \
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out = __msa_copy_s_d(temp6, 0); \
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} while (0)
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#define STORE8x8(out, dst) do { \
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SD4(out, out, out, out, dst + 0 * BPS, BPS); \
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SD4(out, out, out, out, dst + 4 * BPS, BPS); \
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} while (0)
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static WEBP_INLINE void VerticalPred8x8(uint8_t* dst, const uint8_t* top) {
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if (top != NULL) {
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const uint64_t out = LD(top);
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STORE8x8(out, dst);
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} else {
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const uint64_t out = 0x7f7f7f7f7f7f7f7fULL;
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STORE8x8(out, dst);
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}
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}
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static WEBP_INLINE void HorizontalPred8x8(uint8_t* dst, const uint8_t* left) {
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if (left != NULL) {
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int j;
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for (j = 0; j < 8; j += 4) {
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const v16u8 L0 = (v16u8)__msa_fill_b(left[0]);
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const v16u8 L1 = (v16u8)__msa_fill_b(left[1]);
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const v16u8 L2 = (v16u8)__msa_fill_b(left[2]);
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const v16u8 L3 = (v16u8)__msa_fill_b(left[3]);
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const uint64_t out0 = __msa_copy_s_d((v2i64)L0, 0);
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const uint64_t out1 = __msa_copy_s_d((v2i64)L1, 0);
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const uint64_t out2 = __msa_copy_s_d((v2i64)L2, 0);
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const uint64_t out3 = __msa_copy_s_d((v2i64)L3, 0);
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SD4(out0, out1, out2, out3, dst, BPS);
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dst += 4 * BPS;
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left += 4;
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}
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} else {
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const uint64_t out = 0x8181818181818181ULL;
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STORE8x8(out, dst);
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}
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}
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static WEBP_INLINE void TrueMotion8x8(uint8_t* dst, const uint8_t* left,
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const uint8_t* top) {
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if (left != NULL) {
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if (top != NULL) {
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int j;
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const v8i16 TL = (v8i16)__msa_fill_h(left[-1]);
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const v16u8 T1 = LD_UB(top);
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const v16i8 zero = { 0 };
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const v8i16 T = (v8i16)__msa_ilvr_b(zero, (v16i8)T1);
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const v8i16 d = T - TL;
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for (j = 0; j < 8; j += 4) {
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uint64_t out0, out1, out2, out3;
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v16i8 t0, t1;
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v8i16 r0 = (v8i16)__msa_fill_h(left[j + 0]);
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v8i16 r1 = (v8i16)__msa_fill_h(left[j + 1]);
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v8i16 r2 = (v8i16)__msa_fill_h(left[j + 2]);
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v8i16 r3 = (v8i16)__msa_fill_h(left[j + 3]);
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ADD4(d, r0, d, r1, d, r2, d, r3, r0, r1, r2, r3);
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CLIP_SH4_0_255(r0, r1, r2, r3);
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PCKEV_B2_SB(r1, r0, r3, r2, t0, t1);
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out0 = __msa_copy_s_d((v2i64)t0, 0);
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out1 = __msa_copy_s_d((v2i64)t0, 1);
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out2 = __msa_copy_s_d((v2i64)t1, 0);
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out3 = __msa_copy_s_d((v2i64)t1, 1);
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SD4(out0, out1, out2, out3, dst, BPS);
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dst += 4 * BPS;
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}
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} else {
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HorizontalPred8x8(dst, left);
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}
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} else {
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if (top != NULL) {
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VerticalPred8x8(dst, top);
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} else {
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const uint64_t out = 0x8181818181818181ULL;
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STORE8x8(out, dst);
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}
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}
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}
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static WEBP_INLINE void DCMode8x8(uint8_t* dst, const uint8_t* left,
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const uint8_t* top) {
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uint64_t out;
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v16u8 src;
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if (top != NULL && left != NULL) {
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const uint64_t left_m = LD(left);
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const uint64_t top_m = LD(top);
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INSERT_D2_UB(left_m, top_m, src);
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CALC_DC8(src, out);
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} else if (left != NULL) { // left but no top
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const uint64_t left_m = LD(left);
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INSERT_D2_UB(left_m, left_m, src);
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CALC_DC8(src, out);
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} else if (top != NULL) { // top but no left
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const uint64_t top_m = LD(top);
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INSERT_D2_UB(top_m, top_m, src);
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CALC_DC8(src, out);
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} else { // no top, no left, nothing.
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src = (v16u8)__msa_fill_b(0x80);
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out = __msa_copy_s_d((v2i64)src, 0);
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}
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STORE8x8(out, dst);
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}
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static void IntraChromaPreds(uint8_t* dst, const uint8_t* left,
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const uint8_t* top) {
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// U block
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DCMode8x8(C8DC8 + dst, left, top);
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VerticalPred8x8(C8VE8 + dst, top);
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HorizontalPred8x8(C8HE8 + dst, left);
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TrueMotion8x8(C8TM8 + dst, left, top);
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// V block
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dst += 8;
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if (top != NULL) top += 8;
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if (left != NULL) left += 16;
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DCMode8x8(C8DC8 + dst, left, top);
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VerticalPred8x8(C8VE8 + dst, top);
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HorizontalPred8x8(C8HE8 + dst, left);
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TrueMotion8x8(C8TM8 + dst, left, top);
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}
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//------------------------------------------------------------------------------
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// Entry point
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@ -536,6 +667,7 @@ WEBP_TSAN_IGNORE_FUNCTION void VP8EncDspInitMSA(void) {
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VP8EncPredLuma4 = Intra4Preds;
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VP8EncPredLuma16 = Intra16Preds;
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VP8EncPredChroma8 = IntraChromaPreds;
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}
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#else // !WEBP_USE_MSA
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@ -537,6 +537,20 @@ static WEBP_INLINE uint32_t func_hadd_uh_u32(v8u16 in) {
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#define INSERT_W4_SB(...) INSERT_W4(v16i8, __VA_ARGS__)
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#define INSERT_W4_SW(...) INSERT_W4(v4i32, __VA_ARGS__)
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/* Description : Set element n of double word input vector to GPR value
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* Arguments : Inputs - in0, in1
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* Output - out
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* Return Type - as per RTYPE
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* Details : Set element 0 in vector 'out' to GPR value specified in 'in0'
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* Set element 1 in vector 'out' to GPR value specified in 'in1'
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*/
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#define INSERT_D2(RTYPE, in0, in1, out) do { \
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out = (RTYPE)__msa_insert_d((v2i64)out, 0, in0); \
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out = (RTYPE)__msa_insert_d((v2i64)out, 1, in1); \
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} while (0)
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#define INSERT_D2_UB(...) INSERT_D2(v16u8, __VA_ARGS__)
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#define INSERT_D2_SB(...) INSERT_D2(v16i8, __VA_ARGS__)
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/* Description : Interleave even byte elements from vectors
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* Arguments : Inputs - in0, in1, in2, in3
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* Outputs - out0, out1
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