#include "./vpx_dsp_rtcd.h"
#include "vpx_dsp/inv_txfm.h"
+static int16x8_t cospi2_v = { 16305, 16305, 16305, 16305,
+ 16305, 16305, 16305, 16305 };
static int16x8_t cospi4_v = { 16069, 16069, 16069, 16069,
16069, 16069, 16069, 16069 };
+static int16x8_t cospi6_v = { 15679, 15679, 15679, 15679,
+ 15679, 15679, 15679, 15679 };
static int16x8_t cospi8_v = { 15137, 15137, 15137, 15137,
15137, 15137, 15137, 15137 };
+static int16x8_t cospi10_v = { 14449, 14449, 14449, 14449,
+ 14449, 14449, 14449, 14449 };
static int16x8_t cospi12_v = { 13623, 13623, 13623, 13623,
13623, 13623, 13623, 13623 };
+static int16x8_t cospi14_v = { 12665, 12665, 12665, 12665,
+ 12665, 12665, 12665, 12665 };
static int16x8_t cospi16_v = { 11585, 11585, 11585, 11585,
11585, 11585, 11585, 11585 };
+static int16x8_t cospi18_v = { 10394, 10394, 10394, 10394,
+ 10394, 10394, 10394, 10394 };
static int16x8_t cospi20_v = { 9102, 9102, 9102, 9102, 9102, 9102, 9102, 9102 };
+static int16x8_t cospi22_v = { 7723, 7723, 7723, 7723, 7723, 7723, 7723, 7723 };
static int16x8_t cospi24_v = { 6270, 6270, 6270, 6270, 6270, 6270, 6270, 6270 };
+static int16x8_t cospi24_mv = { -6270, -6270, -6270, -6270,
+ -6270, -6270, -6270, -6270 };
+static int16x8_t cospi26_v = { 4756, 4756, 4756, 4756, 4756, 4756, 4756, 4756 };
static int16x8_t cospi28_v = { 3196, 3196, 3196, 3196, 3196, 3196, 3196, 3196 };
+static int16x8_t cospi30_v = { 1606, 1606, 1606, 1606, 1606, 1606, 1606, 1606 };
#define ROUND_SHIFT_INIT \
const int32x4_t shift = vec_sl(vec_splat_s32(1), vec_splat_u32(13)); \
int16x8_t add8 = vec_splat_s16(8); \
uint16x8_t shift4 = vec_splat_u16(4);
-#define PIXEL_ADD(out, in) out = vec_sra(vec_add(in, add8), shift4);
+#define PIXEL_ADD4(out, in) out = vec_sra(vec_add(in, add8), shift4);
#define IDCT4(in0, in1, out0, out1) \
t0 = vec_add(in0, in1); \
v1 = vec_mergel(t0, t1);
IDCT4(v0, v1, t_out0, t_out1);
- PIXEL_ADD(v0, t_out0);
- PIXEL_ADD(v1, t_out1);
+ PIXEL_ADD4(v0, t_out0);
+ PIXEL_ADD4(v1, t_out1);
tmp16_0 = vec_add(vec_perm(d_u0, d_u1, mask1), v0);
tmp16_1 = vec_add(vec_perm(d_u2, d_u3, mask1), v1);
output_v = vec_packsu(tmp16_0, tmp16_1);
in6 = vec_sub(step1, step6); \
in7 = vec_sub(step0, step7);
-#define PIXEL_ADD8(in, out) \
- out = vec_add(vec_sra(vec_add(in, add), shift5), out);
+#define PIXEL_ADD(in, out, add, shiftx) \
+ out = vec_add(vec_sra(vec_add(in, add), shiftx), out);
+static uint8x16_t tr8_mask0 = {
+ 0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
+ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17
+};
+static uint8x16_t tr8_mask1 = {
+ 0x8, 0x9, 0xA, 0xB, 0xC, 0xD, 0xE, 0xF,
+ 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F
+};
void vpx_idct8x8_64_add_vsx(const tran_low_t *input, uint8_t *dest,
int stride) {
int32x4_t temp10, temp11;
int16x8_t step0, step1, step2, step3, step4, step5, step6, step7;
- uint8x16_t tr8_mask0 = { 0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
- 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17 };
- uint8x16_t tr8_mask1 = { 0x8, 0x9, 0xA, 0xB, 0xC, 0xD, 0xE, 0xF,
- 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F };
int16x8_t tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7, tmp16_0, tmp16_1,
tmp16_2, tmp16_3;
int16x8_t src0 = vec_vsx_ld(0, input);
TRANSPOSE8x8(tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7, src0, src1, src2,
src3, src4, src5, src6, src7);
IDCT8(src0, src1, src2, src3, src4, src5, src6, src7);
- PIXEL_ADD8(src0, d_u0);
- PIXEL_ADD8(src1, d_u1);
- PIXEL_ADD8(src2, d_u2);
- PIXEL_ADD8(src3, d_u3);
- PIXEL_ADD8(src4, d_u4);
- PIXEL_ADD8(src5, d_u5);
- PIXEL_ADD8(src6, d_u6);
- PIXEL_ADD8(src7, d_u7);
+ PIXEL_ADD(src0, d_u0, add, shift5);
+ PIXEL_ADD(src1, d_u1, add, shift5);
+ PIXEL_ADD(src2, d_u2, add, shift5);
+ PIXEL_ADD(src3, d_u3, add, shift5);
+ PIXEL_ADD(src4, d_u4, add, shift5);
+ PIXEL_ADD(src5, d_u5, add, shift5);
+ PIXEL_ADD(src6, d_u6, add, shift5);
+ PIXEL_ADD(src7, d_u7, add, shift5);
output0 = vec_packsu(d_u0, d_u1);
output1 = vec_packsu(d_u2, d_u3);
output2 = vec_packsu(d_u4, d_u5);
vec_vsx_st(xxpermdi(output3, dest6, 1), 6 * stride, dest);
vec_vsx_st(xxpermdi(output3, dest7, 3), 7 * stride, dest);
}
+
+#define LOAD_INPUT16(source, offset, step, in0, in1, in2, in3, in4, in5, in6, \
+ in7, in8, in9, inA, inB, inC, inD, inE, inF) \
+ in0 = vec_vsx_ld(offset, source); \
+ in1 = vec_vsx_ld(step + offset, source); \
+ in2 = vec_vsx_ld(2 * step + offset, source); \
+ in3 = vec_vsx_ld(3 * step + offset, source); \
+ in4 = vec_vsx_ld(4 * step + offset, source); \
+ in5 = vec_vsx_ld(5 * step + offset, source); \
+ in6 = vec_vsx_ld(6 * step + offset, source); \
+ in7 = vec_vsx_ld(7 * step + offset, source); \
+ in8 = vec_vsx_ld(8 * step + offset, source); \
+ in9 = vec_vsx_ld(9 * step + offset, source); \
+ inA = vec_vsx_ld(10 * step + offset, source); \
+ inB = vec_vsx_ld(11 * step + offset, source); \
+ inC = vec_vsx_ld(12 * step + offset, source); \
+ inD = vec_vsx_ld(13 * step + offset, source); \
+ inE = vec_vsx_ld(14 * step + offset, source); \
+ inF = vec_vsx_ld(15 * step + offset, source);
+
+#define STEP16_1(inpt0, inpt1, outpt0, outpt1, cospi) \
+ tmp16_0 = vec_mergeh(inpt0, inpt1); \
+ tmp16_1 = vec_mergel(inpt0, inpt1); \
+ temp10 = vec_mule(tmp16_0, cospi); \
+ temp11 = vec_mule(tmp16_1, cospi); \
+ temp20 = vec_mulo(tmp16_0, cospi); \
+ temp21 = vec_mulo(tmp16_1, cospi); \
+ temp30 = vec_sub(temp10, temp20); \
+ temp10 = vec_add(temp10, temp20); \
+ temp20 = vec_sub(temp11, temp21); \
+ temp21 = vec_add(temp11, temp21); \
+ DCT_CONST_ROUND_SHIFT(temp30); \
+ DCT_CONST_ROUND_SHIFT(temp20); \
+ outpt0 = vec_packs(temp30, temp20); \
+ DCT_CONST_ROUND_SHIFT(temp10); \
+ DCT_CONST_ROUND_SHIFT(temp21); \
+ outpt1 = vec_packs(temp10, temp21);
+
+#define IDCT16(in0, in1, in2, in3, in4, in5, in6, in7, in8, in9, inA, inB, \
+ inC, inD, inE, inF, out0, out1, out2, out3, out4, out5, out6, \
+ out7, out8, out9, outA, outB, outC, outD, outE, outF) \
+ /* stage 1 */ \
+ /* out0 = in0; */ \
+ out1 = in8; \
+ out2 = in4; \
+ out3 = inC; \
+ out4 = in2; \
+ out5 = inA; \
+ out6 = in6; \
+ out7 = inE; \
+ out8 = in1; \
+ out9 = in9; \
+ outA = in5; \
+ outB = inD; \
+ outC = in3; \
+ outD = inB; \
+ outE = in7; \
+ outF = inF; \
+ \
+ /* stage 2 */ \
+ /* in0 = out0; */ \
+ in1 = out1; \
+ in2 = out2; \
+ in3 = out3; \
+ in4 = out4; \
+ in5 = out5; \
+ in6 = out6; \
+ in7 = out7; \
+ \
+ STEP8_0(out8, outF, in8, inF, cospi30_v, cospi2_v); \
+ STEP8_0(out9, outE, in9, inE, cospi14_v, cospi18_v); \
+ STEP8_0(outA, outD, inA, inD, cospi22_v, cospi10_v); \
+ STEP8_0(outB, outC, inB, inC, cospi6_v, cospi26_v); \
+ \
+ /* stage 3 */ \
+ out0 = in0; \
+ out1 = in1; \
+ out2 = in2; \
+ out3 = in3; \
+ \
+ STEP8_0(in4, in7, out4, out7, cospi28_v, cospi4_v); \
+ STEP8_0(in5, in6, out5, out6, cospi12_v, cospi20_v); \
+ \
+ out8 = vec_add(in8, in9); \
+ out9 = vec_sub(in8, in9); \
+ outA = vec_sub(inB, inA); \
+ outB = vec_add(inA, inB); \
+ outC = vec_add(inC, inD); \
+ outD = vec_sub(inC, inD); \
+ outE = vec_sub(inF, inE); \
+ outF = vec_add(inE, inF); \
+ \
+ /* stage 4 */ \
+ STEP16_1(out0, out1, in1, in0, cospi16_v); \
+ STEP8_0(out2, out3, in2, in3, cospi24_v, cospi8_v); \
+ in4 = vec_add(out4, out5); \
+ in5 = vec_sub(out4, out5); \
+ in6 = vec_sub(out7, out6); \
+ in7 = vec_add(out6, out7); \
+ \
+ in8 = out8; \
+ inF = outF; \
+ tmp16_0 = vec_mergeh(out9, outE); \
+ tmp16_1 = vec_mergel(out9, outE); \
+ temp10 = vec_sub(vec_mulo(tmp16_0, cospi24_v), vec_mule(tmp16_0, cospi8_v)); \
+ temp11 = vec_sub(vec_mulo(tmp16_1, cospi24_v), vec_mule(tmp16_1, cospi8_v)); \
+ DCT_CONST_ROUND_SHIFT(temp10); \
+ DCT_CONST_ROUND_SHIFT(temp11); \
+ in9 = vec_packs(temp10, temp11); \
+ temp10 = vec_add(vec_mule(tmp16_0, cospi24_v), vec_mulo(tmp16_0, cospi8_v)); \
+ temp11 = vec_add(vec_mule(tmp16_1, cospi24_v), vec_mulo(tmp16_1, cospi8_v)); \
+ DCT_CONST_ROUND_SHIFT(temp10); \
+ DCT_CONST_ROUND_SHIFT(temp11); \
+ inE = vec_packs(temp10, temp11); \
+ \
+ tmp16_0 = vec_mergeh(outA, outD); \
+ tmp16_1 = vec_mergel(outA, outD); \
+ temp10 = \
+ vec_sub(vec_mule(tmp16_0, cospi24_mv), vec_mulo(tmp16_0, cospi8_v)); \
+ temp11 = \
+ vec_sub(vec_mule(tmp16_1, cospi24_mv), vec_mulo(tmp16_1, cospi8_v)); \
+ DCT_CONST_ROUND_SHIFT(temp10); \
+ DCT_CONST_ROUND_SHIFT(temp11); \
+ inA = vec_packs(temp10, temp11); \
+ temp10 = vec_sub(vec_mulo(tmp16_0, cospi24_v), vec_mule(tmp16_0, cospi8_v)); \
+ temp11 = vec_sub(vec_mulo(tmp16_1, cospi24_v), vec_mule(tmp16_1, cospi8_v)); \
+ DCT_CONST_ROUND_SHIFT(temp10); \
+ DCT_CONST_ROUND_SHIFT(temp11); \
+ inD = vec_packs(temp10, temp11); \
+ \
+ inB = outB; \
+ inC = outC; \
+ \
+ /* stage 5 */ \
+ out0 = vec_add(in0, in3); \
+ out1 = vec_add(in1, in2); \
+ out2 = vec_sub(in1, in2); \
+ out3 = vec_sub(in0, in3); \
+ out4 = in4; \
+ STEP16_1(in6, in5, out5, out6, cospi16_v); \
+ out7 = in7; \
+ \
+ out8 = vec_add(in8, inB); \
+ out9 = vec_add(in9, inA); \
+ outA = vec_sub(in9, inA); \
+ outB = vec_sub(in8, inB); \
+ outC = vec_sub(inF, inC); \
+ outD = vec_sub(inE, inD); \
+ outE = vec_add(inD, inE); \
+ outF = vec_add(inC, inF); \
+ \
+ /* stage 6 */ \
+ in0 = vec_add(out0, out7); \
+ in1 = vec_add(out1, out6); \
+ in2 = vec_add(out2, out5); \
+ in3 = vec_add(out3, out4); \
+ in4 = vec_sub(out3, out4); \
+ in5 = vec_sub(out2, out5); \
+ in6 = vec_sub(out1, out6); \
+ in7 = vec_sub(out0, out7); \
+ in8 = out8; \
+ in9 = out9; \
+ STEP16_1(outD, outA, inA, inD, cospi16_v); \
+ STEP16_1(outC, outB, inB, inC, cospi16_v); \
+ inE = outE; \
+ inF = outF; \
+ \
+ /* stage 7 */ \
+ out0 = vec_add(in0, inF); \
+ out1 = vec_add(in1, inE); \
+ out2 = vec_add(in2, inD); \
+ out3 = vec_add(in3, inC); \
+ out4 = vec_add(in4, inB); \
+ out5 = vec_add(in5, inA); \
+ out6 = vec_add(in6, in9); \
+ out7 = vec_add(in7, in8); \
+ out8 = vec_sub(in7, in8); \
+ out9 = vec_sub(in6, in9); \
+ outA = vec_sub(in5, inA); \
+ outB = vec_sub(in4, inB); \
+ outC = vec_sub(in3, inC); \
+ outD = vec_sub(in2, inD); \
+ outE = vec_sub(in1, inE); \
+ outF = vec_sub(in0, inF);
+
+#define PIXEL_ADD_STORE16(in0, in1, dst, offset) \
+ d_uh = (int16x8_t)vec_mergeh(dst, zerov); \
+ d_ul = (int16x8_t)vec_mergel(dst, zerov); \
+ PIXEL_ADD(in0, d_uh, add, shift6); \
+ PIXEL_ADD(in1, d_ul, add, shift6); \
+ vec_vsx_st(vec_packsu(d_uh, d_ul), offset, dest);
+
+void vpx_idct16x16_256_add_vsx(const tran_low_t *input, uint8_t *dest,
+ int stride) {
+ int32x4_t temp10, temp11, temp20, temp21, temp30;
+ int16x8_t src00, src01, src02, src03, src04, src05, src06, src07, src10,
+ src11, src12, src13, src14, src15, src16, src17;
+ int16x8_t src20, src21, src22, src23, src24, src25, src26, src27, src30,
+ src31, src32, src33, src34, src35, src36, src37;
+ int16x8_t tmp00, tmp01, tmp02, tmp03, tmp04, tmp05, tmp06, tmp07, tmp10,
+ tmp11, tmp12, tmp13, tmp14, tmp15, tmp16, tmp17, tmp16_0, tmp16_1;
+ int16x8_t tmp20, tmp21, tmp22, tmp23, tmp24, tmp25, tmp26, tmp27, tmp30,
+ tmp31, tmp32, tmp33, tmp34, tmp35, tmp36, tmp37;
+ uint8x16_t dest0, dest1, dest2, dest3, dest4, dest5, dest6, dest7, dest8,
+ dest9, destA, destB, destC, destD, destE, destF;
+ int16x8_t d_uh, d_ul;
+ int16x8_t add = vec_sl(vec_splat_s16(8), vec_splat_u16(2));
+ uint16x8_t shift6 = vec_splat_u16(6);
+ uint8x16_t zerov = vec_splat_u8(0);
+ ROUND_SHIFT_INIT;
+
+ // transform rows
+ // load and transform the upper half of 16x16 matrix
+ LOAD_INPUT16(input, 0, 16, src00, src10, src01, src11, src02, src12, src03,
+ src13, src04, src14, src05, src15, src06, src16, src07, src17);
+ TRANSPOSE8x8(src00, src01, src02, src03, src04, src05, src06, src07, tmp00,
+ tmp01, tmp02, tmp03, tmp04, tmp05, tmp06, tmp07);
+ TRANSPOSE8x8(src10, src11, src12, src13, src14, src15, src16, src17, tmp10,
+ tmp11, tmp12, tmp13, tmp14, tmp15, tmp16, tmp17);
+ IDCT16(tmp00, tmp01, tmp02, tmp03, tmp04, tmp05, tmp06, tmp07, tmp10, tmp11,
+ tmp12, tmp13, tmp14, tmp15, tmp16, tmp17, src00, src01, src02, src03,
+ src04, src05, src06, src07, src10, src11, src12, src13, src14, src15,
+ src16, src17);
+ TRANSPOSE8x8(src00, src01, src02, src03, src04, src05, src06, src07, tmp00,
+ tmp01, tmp02, tmp03, tmp04, tmp05, tmp06, tmp07);
+ TRANSPOSE8x8(src10, src11, src12, src13, src14, src15, src16, src17, tmp10,
+ tmp11, tmp12, tmp13, tmp14, tmp15, tmp16, tmp17);
+
+ // load and transform the lower half of 16x16 matrix
+ LOAD_INPUT16(input, 16 * 16, 16, src20, src30, src21, src31, src22, src32,
+ src23, src33, src24, src34, src25, src35, src26, src36, src27,
+ src37);
+ TRANSPOSE8x8(src20, src21, src22, src23, src24, src25, src26, src27, tmp20,
+ tmp21, tmp22, tmp23, tmp24, tmp25, tmp26, tmp27);
+ TRANSPOSE8x8(src30, src31, src32, src33, src34, src35, src36, src37, tmp30,
+ tmp31, tmp32, tmp33, tmp34, tmp35, tmp36, tmp37);
+ IDCT16(tmp20, tmp21, tmp22, tmp23, tmp24, tmp25, tmp26, tmp27, tmp30, tmp31,
+ tmp32, tmp33, tmp34, tmp35, tmp36, tmp37, src20, src21, src22, src23,
+ src24, src25, src26, src27, src30, src31, src32, src33, src34, src35,
+ src36, src37);
+ TRANSPOSE8x8(src20, src21, src22, src23, src24, src25, src26, src27, tmp20,
+ tmp21, tmp22, tmp23, tmp24, tmp25, tmp26, tmp27);
+ TRANSPOSE8x8(src30, src31, src32, src33, src34, src35, src36, src37, tmp30,
+ tmp31, tmp32, tmp33, tmp34, tmp35, tmp36, tmp37);
+
+ // transform columns
+ // left half first
+ IDCT16(tmp00, tmp01, tmp02, tmp03, tmp04, tmp05, tmp06, tmp07, tmp20, tmp21,
+ tmp22, tmp23, tmp24, tmp25, tmp26, tmp27, src00, src01, src02, src03,
+ src04, src05, src06, src07, src20, src21, src22, src23, src24, src25,
+ src26, src27);
+ // right half
+ IDCT16(tmp10, tmp11, tmp12, tmp13, tmp14, tmp15, tmp16, tmp17, tmp30, tmp31,
+ tmp32, tmp33, tmp34, tmp35, tmp36, tmp37, src10, src11, src12, src13,
+ src14, src15, src16, src17, src30, src31, src32, src33, src34, src35,
+ src36, src37);
+
+ // load dest
+ LOAD_INPUT16(dest, 0, stride, dest0, dest1, dest2, dest3, dest4, dest5, dest6,
+ dest7, dest8, dest9, destA, destB, destC, destD, destE, destF);
+
+ PIXEL_ADD_STORE16(src00, src10, dest0, 0);
+ PIXEL_ADD_STORE16(src01, src11, dest1, stride);
+ PIXEL_ADD_STORE16(src02, src12, dest2, 2 * stride);
+ PIXEL_ADD_STORE16(src03, src13, dest3, 3 * stride);
+ PIXEL_ADD_STORE16(src04, src14, dest4, 4 * stride);
+ PIXEL_ADD_STORE16(src05, src15, dest5, 5 * stride);
+ PIXEL_ADD_STORE16(src06, src16, dest6, 6 * stride);
+ PIXEL_ADD_STORE16(src07, src17, dest7, 7 * stride);
+
+ PIXEL_ADD_STORE16(src20, src30, dest8, 8 * stride);
+ PIXEL_ADD_STORE16(src21, src31, dest9, 9 * stride);
+ PIXEL_ADD_STORE16(src22, src32, destA, 10 * stride);
+ PIXEL_ADD_STORE16(src23, src33, destB, 11 * stride);
+ PIXEL_ADD_STORE16(src24, src34, destC, 12 * stride);
+ PIXEL_ADD_STORE16(src25, src35, destD, 13 * stride);
+ PIXEL_ADD_STORE16(src26, src36, destE, 14 * stride);
+ PIXEL_ADD_STORE16(src27, src37, destF, 15 * stride);
+}
projects / libvpx / commitdiff