Commit 12c6688e authored by James Zern's avatar James Zern

vp9_reconintra_neon: add d45 8x8

based on ssse3 implementation

~91% faster over 20M pixels

Change-Id: I6d743a53352c2d6de0efe7899d7996e8b0f7fa29
parent 90c9ede8
......@@ -264,8 +264,8 @@ INTRA_PRED_TEST(DSPR2, TestIntraPred8, vp9_dc_predictor_8x8_dspr2, NULL, NULL,
INTRA_PRED_TEST(NEON, TestIntraPred8, vp9_dc_predictor_8x8_neon,
vp9_dc_left_predictor_8x8_neon, vp9_dc_top_predictor_8x8_neon,
vp9_dc_128_predictor_8x8_neon, vp9_v_predictor_8x8_neon,
vp9_h_predictor_8x8_neon, NULL, NULL, NULL, NULL, NULL, NULL,
vp9_tm_predictor_8x8_neon)
vp9_h_predictor_8x8_neon, vp9_d45_predictor_8x8_neon, NULL,
NULL, NULL, NULL, NULL, vp9_tm_predictor_8x8_neon)
#endif // HAVE_NEON
......
......@@ -338,6 +338,26 @@ void vp9_d45_predictor_4x4_neon(uint8_t *dst, ptrdiff_t stride,
dst[3 * stride + 3] = above[7];
}
void vp9_d45_predictor_8x8_neon(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above, const uint8_t *left) {
static const uint8_t shuffle1[8] = { 1, 2, 3, 4, 5, 6, 7, 7 };
static const uint8_t shuffle2[8] = { 2, 3, 4, 5, 6, 7, 7, 7 };
const uint8x8_t sh_12345677 = vld1_u8(shuffle1);
const uint8x8_t sh_23456777 = vld1_u8(shuffle2);
const uint8x8_t A0 = vld1_u8(above); // top row
const uint8x8_t A1 = vtbl1_u8(A0, sh_12345677);
const uint8x8_t A2 = vtbl1_u8(A0, sh_23456777);
const uint8x8_t avg1 = vhadd_u8(A0, A2);
uint8x8_t row = vrhadd_u8(avg1, A1);
int i;
(void)left;
for (i = 0; i < 7; ++i) {
vst1_u8(dst + i * stride, row);
row = vtbl1_u8(row, sh_12345677);
}
vst1_u8(dst + i * stride, row);
}
// -----------------------------------------------------------------------------
void vp9_d135_predictor_4x4_neon(uint8_t *dst, ptrdiff_t stride,
......
......@@ -99,7 +99,7 @@ add_proto qw/void vp9_d207_predictor_8x8/, "uint8_t *dst, ptrdiff_t y_stride, co
specialize qw/vp9_d207_predictor_8x8/, "$ssse3_x86inc";
add_proto qw/void vp9_d45_predictor_8x8/, "uint8_t *dst, ptrdiff_t y_stride, const uint8_t *above, const uint8_t *left";
specialize qw/vp9_d45_predictor_8x8/, "$ssse3_x86inc";
specialize qw/vp9_d45_predictor_8x8 neon/, "$ssse3_x86inc";
add_proto qw/void vp9_d63_predictor_8x8/, "uint8_t *dst, ptrdiff_t y_stride, const uint8_t *above, const uint8_t *left";
specialize qw/vp9_d63_predictor_8x8/, "$ssse3_x86inc";
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment