| typedef short int16_t; |
| typedef int int32_t; |
| typedef unsigned char uint8_t; |
| typedef unsigned int uintptr_t; |
| |
| typedef __builtin_neon_hi int16x4_t __attribute__ ((__vector_size__ (8))); |
| typedef __builtin_neon_uqi uint8x8_t __attribute__ ((__vector_size__ (8))); |
| typedef __builtin_neon_uhi uint16x8_t __attribute__ ((__vector_size__ (16))); |
| typedef __builtin_neon_si int32x4_t __attribute__ ((__vector_size__ (16))); |
| typedef __builtin_neon_hi int16x8_t __attribute__ ((__vector_size__ (16))); |
| typedef __builtin_neon_qi int8x8_t __attribute__ ((__vector_size__ (8))); |
| typedef __builtin_neon_si int32x2_t __attribute__ ((__vector_size__ (8))); |
| |
| typedef struct uint8x8x2_t |
| { |
| uint8x8_t val[2]; |
| } uint8x8x2_t; |
| typedef struct uint8x8x4_t |
| { |
| uint8x8_t val[4]; |
| } uint8x8x4_t; |
| |
| __extension__ static __inline uint16x8_t __attribute__ ((__always_inline__)) |
| vaddq_u16 (uint16x8_t __a, uint16x8_t __b) |
| { |
| return (uint16x8_t)__builtin_neon_vaddv8hi ((int16x8_t) __a, (int16x8_t) __b, 0); |
| } |
| __extension__ static __inline int32x4_t __attribute__ ((__always_inline__)) |
| vaddl_s16 (int16x4_t __a, int16x4_t __b) |
| { |
| return (int32x4_t)__builtin_neon_vaddlv4hi (__a, __b, 1); |
| } |
| __extension__ static __inline uint16x8_t __attribute__ ((__always_inline__)) |
| vaddl_u8 (uint8x8_t __a, uint8x8_t __b) |
| { |
| return (uint16x8_t)__builtin_neon_vaddlv8qi ((int8x8_t) __a, (int8x8_t) __b, 0); |
| } |
| __extension__ static __inline uint16x8_t __attribute__ ((__always_inline__)) |
| vaddw_u8 (uint16x8_t __a, uint8x8_t __b) |
| { |
| return (uint16x8_t)__builtin_neon_vaddwv8qi ((int16x8_t) __a, (int8x8_t) __b, 0); |
| } |
| __extension__ static __inline uint8x8_t __attribute__ ((__always_inline__)) |
| vrhadd_u8 (uint8x8_t __a, uint8x8_t __b) |
| { |
| return (uint8x8_t)__builtin_neon_vhaddv8qi ((int8x8_t) __a, (int8x8_t) __b, 4); |
| } |
| __extension__ static __inline int32x4_t __attribute__ ((__always_inline__)) |
| vsubl_s16 (int16x4_t __a, int16x4_t __b) |
| { |
| return (int32x4_t)__builtin_neon_vsublv4hi (__a, __b, 1); |
| } |
| __extension__ static __inline uint16x8_t __attribute__ ((__always_inline__)) |
| vsubl_u8 (uint8x8_t __a, uint8x8_t __b) |
| { |
| return (uint16x8_t)__builtin_neon_vsublv8qi ((int8x8_t) __a, (int8x8_t) __b, 0); |
| } |
| __extension__ static __inline uint8x8_t __attribute__ ((__always_inline__)) |
| vshrn_n_u16 (uint16x8_t __a, const int __b) |
| { |
| return (uint8x8_t)__builtin_neon_vshrn_nv8hi ((int16x8_t) __a, __b, 0); |
| } |
| __extension__ static __inline int16x4_t __attribute__ ((__always_inline__)) |
| vrshrn_n_s32 (int32x4_t __a, const int __b) |
| { |
| return (int16x4_t)__builtin_neon_vshrn_nv4si (__a, __b, 5); |
| } |
| __extension__ static __inline int16x8_t __attribute__ ((__always_inline__)) |
| vshlq_n_s16 (int16x8_t __a, const int __b) |
| { |
| return (int16x8_t)__builtin_neon_vshl_nv8hi (__a, __b, 1); |
| } |
| __extension__ static __inline int32x4_t __attribute__ ((__always_inline__)) |
| vshll_n_s16 (int16x4_t __a, const int __b) |
| { |
| return (int32x4_t)__builtin_neon_vshll_nv4hi (__a, __b, 1); |
| } |
| __extension__ static __inline uint16x8_t __attribute__ ((__always_inline__)) |
| vshll_n_u8 (uint8x8_t __a, const int __b) |
| { |
| return (uint16x8_t)__builtin_neon_vshll_nv8qi ((int8x8_t) __a, __b, 0); |
| } |
| __extension__ static __inline int32x2_t __attribute__ ((__always_inline__)) |
| vmov_n_s32 (int32_t __a) |
| { |
| return (int32x2_t)__builtin_neon_vdup_nv2si ((__builtin_neon_si) __a); |
| } |
| __extension__ static __inline uint8x8_t __attribute__ ((__always_inline__)) |
| vmov_n_u8 (uint8_t __a) |
| { |
| return (uint8x8_t)__builtin_neon_vdup_nv8qi ((__builtin_neon_qi) __a); |
| } |
| __extension__ static __inline int16x8_t __attribute__ ((__always_inline__)) |
| vcombine_s16 (int16x4_t __a, int16x4_t __b) |
| { |
| return (int16x8_t)__builtin_neon_vcombinev4hi (__a, __b); |
| } |
| __extension__ static __inline int16x4_t __attribute__ ((__always_inline__)) |
| vget_high_s16 (int16x8_t __a) |
| { |
| return (int16x4_t)__builtin_neon_vget_highv8hi (__a); |
| } |
| __extension__ static __inline int16x4_t __attribute__ ((__always_inline__)) |
| vget_low_s16 (int16x8_t __a) |
| { |
| return (int16x4_t)__builtin_neon_vget_lowv8hi (__a); |
| } |
| __extension__ static __inline uint8x8_t __attribute__ ((__always_inline__)) |
| vqmovun_s16 (int16x8_t __a) |
| { |
| return (uint8x8_t)__builtin_neon_vqmovunv8hi (__a, 1); |
| } |
| __extension__ static __inline int32x4_t __attribute__ ((__always_inline__)) |
| vmovl_s16 (int16x4_t __a) |
| { |
| return (int32x4_t)__builtin_neon_vmovlv4hi (__a, 1); |
| } |
| __extension__ static __inline int32x4_t __attribute__ ((__always_inline__)) |
| vmulq_lane_s32 (int32x4_t __a, int32x2_t __b, const int __c) |
| { |
| return (int32x4_t)__builtin_neon_vmul_lanev4si (__a, __b, __c, 1); |
| } |
| __extension__ static __inline int32x4_t __attribute__ ((__always_inline__)) |
| vmlal_lane_s16 (int32x4_t __a, int16x4_t __b, int16x4_t __c, const int __d) |
| { |
| return (int32x4_t)__builtin_neon_vmlal_lanev4hi (__a, __b, __c, __d, 1); |
| } |
| __extension__ static __inline int32x4_t __attribute__ ((__always_inline__)) |
| vqdmlal_lane_s16 (int32x4_t __a, int16x4_t __b, int16x4_t __c, const int __d) |
| { |
| return (int32x4_t)__builtin_neon_vqdmlal_lanev4hi (__a, __b, __c, __d, 1); |
| } |
| __extension__ static __inline int16x4_t __attribute__ ((__always_inline__)) |
| vld1_s16 (const int16_t * __a) |
| { |
| return (int16x4_t)__builtin_neon_vld1v4hi ((const __builtin_neon_hi *) __a); |
| } |
| __extension__ static __inline uint8x8_t __attribute__ ((__always_inline__)) |
| vld1_u8 (const uint8_t * __a) |
| { |
| return (uint8x8_t)__builtin_neon_vld1v8qi ((const __builtin_neon_qi *) __a); |
| } |
| __extension__ static __inline void __attribute__ ((__always_inline__)) |
| vst2_u8 (uint8_t * __a, uint8x8x2_t __b) |
| { |
| union { uint8x8x2_t __i; __builtin_neon_ti __o; } __bu = { __b }; |
| __builtin_neon_vst2v8qi ((__builtin_neon_qi *) __a, __bu.__o); |
| } |
| __extension__ static __inline void __attribute__ ((__always_inline__)) |
| vst4_u8 (uint8_t * __a, uint8x8x4_t __b) |
| { |
| union { uint8x8x4_t __i; __builtin_neon_oi __o; } __bu = { __b }; |
| __builtin_neon_vst4v8qi ((__builtin_neon_qi *) __a, __bu.__o); |
| } |
| __extension__ static __inline int16x8_t __attribute__ ((__always_inline__)) |
| vreinterpretq_s16_u16 (uint16x8_t __a) |
| { |
| return (int16x8_t)__builtin_neon_vreinterpretv8hiv8hi ((int16x8_t) __a); |
| } |
| |
| static const int16_t coef[4] = { 89858 / 4, 22014, 45773 / 2, 113618 / 4 }; |
| |
| void UpsampleRgbaLinePairNEON(const uint8_t *top_y, const uint8_t *bottom_y, const uint8_t *top_u, const uint8_t *top_v, const uint8_t *cur_u, const uint8_t *cur_v, uint8_t *top_dst, uint8_t *bottom_dst, int len) |
| { |
| int block; |
| uint8_t uv_buf[2 * 32 + 15]; |
| uint8_t *const r_uv = (uint8_t*)((uintptr_t)(uv_buf + 15) & ~15); |
| const int uv_len = (len + 1) >> 1; |
| const int num_blocks = (uv_len - 1) >> 3; |
| const int leftover = uv_len - num_blocks * 8; |
| const int last_pos = 1 + 16 * num_blocks; |
| const int u_diag = ((top_u[0] + cur_u[0]) >> 1) + 1; |
| const int v_diag = ((top_v[0] + cur_v[0]) >> 1) + 1; |
| const int16x4_t cf16 = vld1_s16(coef); |
| const int32x2_t cf32 = vmov_n_s32(76283); |
| const uint8x8_t u16 = vmov_n_u8(16); |
| const uint8x8_t u128 = vmov_n_u8(128); |
| for (block = 0; block < num_blocks; ++block) { |
| { |
| uint8x8_t a = vld1_u8(top_u); |
| uint8x8_t b = vld1_u8(top_u + 1); |
| uint8x8_t c = vld1_u8(cur_u); |
| uint8x8_t d = vld1_u8(cur_u + 1); |
| uint16x8_t al = vshll_n_u8(a, 1); |
| uint16x8_t bl = vshll_n_u8(b, 1); |
| uint16x8_t cl = vshll_n_u8(c, 1); |
| uint16x8_t dl = vshll_n_u8(d, 1); |
| uint8x8_t diag1, diag2; |
| uint16x8_t sl; |
| sl = vaddl_u8(a, b); |
| sl = vaddw_u8(sl, c); |
| sl = vaddw_u8(sl, d); |
| al = vaddq_u16(sl, al); |
| bl = vaddq_u16(sl, bl); |
| al = vaddq_u16(al, dl); |
| bl = vaddq_u16(bl, cl); |
| diag2 = vshrn_n_u16(al, 3); |
| diag1 = vshrn_n_u16(bl, 3); |
| a = vrhadd_u8(a, diag1); |
| b = vrhadd_u8(b, diag2); |
| c = vrhadd_u8(c, diag2); |
| d = vrhadd_u8(d, diag1); |
| { |
| const uint8x8x2_t a_b = {{ a, b }}; |
| const uint8x8x2_t c_d = {{ c, d }}; |
| vst2_u8(r_uv, a_b); |
| vst2_u8(r_uv + 32, c_d); |
| } |
| } |
| { |
| uint8x8_t a = vld1_u8(top_v); |
| uint8x8_t b = vld1_u8(top_v + 1); |
| uint8x8_t c = vld1_u8(cur_v); |
| uint8x8_t d = vld1_u8(cur_v + 1); |
| uint16x8_t al = vshll_n_u8(a, 1); |
| uint16x8_t bl = vshll_n_u8(b, 1); |
| uint16x8_t cl = vshll_n_u8(c, 1); |
| uint16x8_t dl = vshll_n_u8(d, 1); |
| uint8x8_t diag1, diag2; |
| uint16x8_t sl; |
| sl = vaddl_u8(a, b); |
| sl = vaddw_u8(sl, c); |
| sl = vaddw_u8(sl, d); |
| al = vaddq_u16(sl, al); |
| bl = vaddq_u16(sl, bl); |
| al = vaddq_u16(al, dl); |
| bl = vaddq_u16(bl, cl); |
| diag2 = vshrn_n_u16(al, 3); |
| diag1 = vshrn_n_u16(bl, 3); |
| a = vrhadd_u8(a, diag1); |
| b = vrhadd_u8(b, diag2); |
| c = vrhadd_u8(c, diag2); |
| d = vrhadd_u8(d, diag1); |
| { |
| const uint8x8x2_t a_b = {{ a, b }}; |
| const uint8x8x2_t c_d = {{ c, d }}; |
| vst2_u8(r_uv + 16, a_b); |
| vst2_u8(r_uv + 16 + 32, c_d); |
| } |
| } |
| { |
| if (top_y) { |
| { |
| int i; |
| for (i = 0; i < 16; i += 8) { |
| int off = ((16 * block + 1) + i) * 4; |
| uint8x8_t y = vld1_u8(top_y + (16 * block + 1) + i); |
| uint8x8_t u = vld1_u8((r_uv) + i); |
| uint8x8_t v = vld1_u8((r_uv) + i + 16); |
| int16x8_t yy = vreinterpretq_s16_u16(vsubl_u8(y, u16)); |
| int16x8_t uu = vreinterpretq_s16_u16(vsubl_u8(u, u128)); |
| int16x8_t vv = vreinterpretq_s16_u16(vsubl_u8(v, u128)); |
| int16x8_t ud = vshlq_n_s16(uu, 1); |
| int16x8_t vd = vshlq_n_s16(vv, 1); |
| int32x4_t vrl = vqdmlal_lane_s16(vshll_n_s16(vget_low_s16(vv), 1), vget_low_s16(vd), cf16, 0); |
| int32x4_t vrh = vqdmlal_lane_s16(vshll_n_s16(vget_high_s16(vv), 1), vget_high_s16(vd), cf16, 0); |
| int16x8_t vr = vcombine_s16(vrshrn_n_s32(vrl, 16), vrshrn_n_s32(vrh, 16)); |
| int32x4_t vl = vmovl_s16(vget_low_s16(vv)); |
| int32x4_t vh = vmovl_s16(vget_high_s16(vv)); |
| int32x4_t ugl = vmlal_lane_s16(vl, vget_low_s16(uu), cf16, 1); |
| int32x4_t ugh = vmlal_lane_s16(vh, vget_high_s16(uu), cf16, 1); |
| int32x4_t gcl = vqdmlal_lane_s16(ugl, vget_low_s16(vv), cf16, 2); |
| int32x4_t gch = vqdmlal_lane_s16(ugh, vget_high_s16(vv), cf16, 2); |
| int16x8_t gc = vcombine_s16(vrshrn_n_s32(gcl, 16), vrshrn_n_s32(gch, 16)); |
| int32x4_t ubl = vqdmlal_lane_s16(vshll_n_s16(vget_low_s16(uu), 1), vget_low_s16(ud), cf16, 3); |
| int32x4_t ubh = vqdmlal_lane_s16(vshll_n_s16(vget_high_s16(uu), 1), vget_high_s16(ud), cf16, 3); |
| int16x8_t ub = vcombine_s16(vrshrn_n_s32(ubl, 16), vrshrn_n_s32(ubh, 16)); |
| int32x4_t rl = vaddl_s16(vget_low_s16(yy), vget_low_s16(vr)); |
| int32x4_t rh = vaddl_s16(vget_high_s16(yy), vget_high_s16(vr)); |
| int32x4_t gl = vsubl_s16(vget_low_s16(yy), vget_low_s16(gc)); |
| int32x4_t gh = vsubl_s16(vget_high_s16(yy), vget_high_s16(gc)); |
| int32x4_t bl = vaddl_s16(vget_low_s16(yy), vget_low_s16(ub)); |
| int32x4_t bh = vaddl_s16(vget_high_s16(yy), vget_high_s16(ub)); |
| rl = vmulq_lane_s32(rl, cf32, 0); |
| rh = vmulq_lane_s32(rh, cf32, 0); |
| gl = vmulq_lane_s32(gl, cf32, 0); |
| gh = vmulq_lane_s32(gh, cf32, 0); |
| bl = vmulq_lane_s32(bl, cf32, 0); |
| bh = vmulq_lane_s32(bh, cf32, 0); |
| y = vqmovun_s16(vcombine_s16(vrshrn_n_s32(rl, 16), vrshrn_n_s32(rh, 16))); |
| u = vqmovun_s16(vcombine_s16(vrshrn_n_s32(gl, 16), vrshrn_n_s32(gh, 16))); |
| v = vqmovun_s16(vcombine_s16(vrshrn_n_s32(bl, 16), vrshrn_n_s32(bh, 16))); |
| do { |
| const uint8x8x4_t r_g_b_v255 = {{ y, u, v, vmov_n_u8(255) }}; |
| vst4_u8(top_dst + off, r_g_b_v255); |
| } while (0); |
| } |
| } |
| } |
| if (bottom_y) { |
| { |
| int i; |
| for (i = 0; i < 16; i += 8) { |
| int off = ((16 * block + 1) + i) * 4; |
| uint8x8_t y = vld1_u8(bottom_y + (16 * block + 1) + i); |
| uint8x8_t u = vld1_u8(((r_uv) + 32) + i); |
| uint8x8_t v = vld1_u8(((r_uv) + 32) + i + 16); |
| int16x8_t yy = vreinterpretq_s16_u16(vsubl_u8(y, u16)); |
| int16x8_t uu = vreinterpretq_s16_u16(vsubl_u8(u, u128)); |
| int16x8_t vv = vreinterpretq_s16_u16(vsubl_u8(v, u128)); |
| int16x8_t ud = vshlq_n_s16(uu, 1); |
| int16x8_t vd = vshlq_n_s16(vv, 1); |
| int32x4_t vrl = vqdmlal_lane_s16(vshll_n_s16(vget_low_s16(vv), 1), vget_low_s16(vd), cf16, 0); |
| int32x4_t vrh = vqdmlal_lane_s16(vshll_n_s16(vget_high_s16(vv), 1), vget_high_s16(vd), cf16, 0); |
| int16x8_t vr = vcombine_s16(vrshrn_n_s32(vrl, 16), vrshrn_n_s32(vrh, 16)); |
| int32x4_t vl = vmovl_s16(vget_low_s16(vv)); |
| int32x4_t vh = vmovl_s16(vget_high_s16(vv)); |
| int32x4_t ugl = vmlal_lane_s16(vl, vget_low_s16(uu), cf16, 1); |
| int32x4_t ugh = vmlal_lane_s16(vh, vget_high_s16(uu), cf16, 1); |
| int32x4_t gcl = vqdmlal_lane_s16(ugl, vget_low_s16(vv), cf16, 2); |
| int32x4_t gch = vqdmlal_lane_s16(ugh, vget_high_s16(vv), cf16, 2); |
| int16x8_t gc = vcombine_s16(vrshrn_n_s32(gcl, 16), vrshrn_n_s32(gch, 16)); |
| int32x4_t ubl = vqdmlal_lane_s16(vshll_n_s16(vget_low_s16(uu), 1), vget_low_s16(ud), cf16, 3); |
| int32x4_t ubh = vqdmlal_lane_s16(vshll_n_s16(vget_high_s16(uu), 1), vget_high_s16(ud), cf16, 3); |
| int16x8_t ub = vcombine_s16(vrshrn_n_s32(ubl, 16), vrshrn_n_s32(ubh, 16)); |
| int32x4_t rl = vaddl_s16(vget_low_s16(yy), vget_low_s16(vr)); |
| int32x4_t rh = vaddl_s16(vget_high_s16(yy), vget_high_s16(vr)); |
| int32x4_t gl = vsubl_s16(vget_low_s16(yy), vget_low_s16(gc)); |
| int32x4_t gh = vsubl_s16(vget_high_s16(yy), vget_high_s16(gc)); |
| int32x4_t bl = vaddl_s16(vget_low_s16(yy), vget_low_s16(ub)); |
| int32x4_t bh = vaddl_s16(vget_high_s16(yy), vget_high_s16(ub)); |
| rl = vmulq_lane_s32(rl, cf32, 0); |
| rh = vmulq_lane_s32(rh, cf32, 0); |
| gl = vmulq_lane_s32(gl, cf32, 0); |
| gh = vmulq_lane_s32(gh, cf32, 0); |
| bl = vmulq_lane_s32(bl, cf32, 0); |
| bh = vmulq_lane_s32(bh, cf32, 0); |
| y = vqmovun_s16(vcombine_s16(vrshrn_n_s32(rl, 16), vrshrn_n_s32(rh, 16))); |
| u = vqmovun_s16(vcombine_s16(vrshrn_n_s32(gl, 16), vrshrn_n_s32(gh, 16))); |
| v = vqmovun_s16(vcombine_s16(vrshrn_n_s32(bl, 16), vrshrn_n_s32(bh, 16))); |
| do { |
| const uint8x8x4_t r_g_b_v255 = {{ y, u, v, vmov_n_u8(255) }}; |
| vst4_u8(bottom_dst + off, r_g_b_v255); |
| } while (0); |
| } |
| } |
| } |
| } |
| } |
| } |
