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Diffstat (limited to 'third_party/dav1d/src/arm/ipred.h')
| -rw-r--r-- | third_party/dav1d/src/arm/ipred.h | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/third_party/dav1d/src/arm/ipred.h b/third_party/dav1d/src/arm/ipred.h new file mode 100644 index 0000000000..e849d4998b --- /dev/null +++ b/third_party/dav1d/src/arm/ipred.h @@ -0,0 +1,222 @@ +/* + * Copyright © 2018, VideoLAN and dav1d authors + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR + * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "src/cpu.h" +#include "src/ipred.h" + +decl_angular_ipred_fn(BF(dav1d_ipred_dc, neon)); +decl_angular_ipred_fn(BF(dav1d_ipred_dc_128, neon)); +decl_angular_ipred_fn(BF(dav1d_ipred_dc_top, neon)); +decl_angular_ipred_fn(BF(dav1d_ipred_dc_left, neon)); +decl_angular_ipred_fn(BF(dav1d_ipred_h, neon)); +decl_angular_ipred_fn(BF(dav1d_ipred_v, neon)); +decl_angular_ipred_fn(BF(dav1d_ipred_paeth, neon)); +decl_angular_ipred_fn(BF(dav1d_ipred_smooth, neon)); +decl_angular_ipred_fn(BF(dav1d_ipred_smooth_v, neon)); +decl_angular_ipred_fn(BF(dav1d_ipred_smooth_h, neon)); +decl_angular_ipred_fn(BF(dav1d_ipred_filter, neon)); + +decl_cfl_pred_fn(BF(dav1d_ipred_cfl, neon)); +decl_cfl_pred_fn(BF(dav1d_ipred_cfl_128, neon)); +decl_cfl_pred_fn(BF(dav1d_ipred_cfl_top, neon)); +decl_cfl_pred_fn(BF(dav1d_ipred_cfl_left, neon)); + +decl_cfl_ac_fn(BF(dav1d_ipred_cfl_ac_420, neon)); +decl_cfl_ac_fn(BF(dav1d_ipred_cfl_ac_422, neon)); +decl_cfl_ac_fn(BF(dav1d_ipred_cfl_ac_444, neon)); + +decl_pal_pred_fn(BF(dav1d_pal_pred, neon)); + +#if ARCH_AARCH64 +void BF(dav1d_ipred_z1_upsample_edge, neon)(pixel *out, const int hsz, + const pixel *const in, + const int end HIGHBD_DECL_SUFFIX); +void BF(dav1d_ipred_z1_filter_edge, neon)(pixel *out, const int sz, + const pixel *const in, + const int end, const int strength); +void BF(dav1d_ipred_pixel_set, neon)(pixel *out, const pixel px, + const int n); +void BF(dav1d_ipred_z1_fill1, neon)(pixel *dst, ptrdiff_t stride, + const pixel *const top, const int width, + const int height, const int dx, + const int max_base_x); +void BF(dav1d_ipred_z1_fill2, neon)(pixel *dst, ptrdiff_t stride, + const pixel *const top, const int width, + const int height, const int dx, + const int max_base_x); + +static void ipred_z1_neon(pixel *dst, const ptrdiff_t stride, + const pixel *const topleft_in, + const int width, const int height, int angle, + const int max_width, const int max_height + HIGHBD_DECL_SUFFIX) +{ + const int is_sm = (angle >> 9) & 0x1; + const int enable_intra_edge_filter = angle >> 10; + angle &= 511; + int dx = dav1d_dr_intra_derivative[angle >> 1]; + pixel top_out[64 + 64 + (64+15)*2 + 16]; + int max_base_x; + const int upsample_above = enable_intra_edge_filter ? + get_upsample(width + height, 90 - angle, is_sm) : 0; + if (upsample_above) { + BF(dav1d_ipred_z1_upsample_edge, neon)(top_out, width + height, + topleft_in, + width + imin(width, height) + HIGHBD_TAIL_SUFFIX); + max_base_x = 2 * (width + height) - 2; + dx <<= 1; + } else { + const int filter_strength = enable_intra_edge_filter ? + get_filter_strength(width + height, 90 - angle, is_sm) : 0; + if (filter_strength) { + BF(dav1d_ipred_z1_filter_edge, neon)(top_out, width + height, + topleft_in, + width + imin(width, height), + filter_strength); + max_base_x = width + height - 1; + } else { + max_base_x = width + imin(width, height) - 1; + memcpy(top_out, &topleft_in[1], (max_base_x + 1) * sizeof(pixel)); + } + } + const int base_inc = 1 + upsample_above; + int pad_pixels = width + 15; // max(dx >> 6) == 15 + BF(dav1d_ipred_pixel_set, neon)(&top_out[max_base_x + 1], + top_out[max_base_x], pad_pixels * base_inc); + if (upsample_above) + BF(dav1d_ipred_z1_fill2, neon)(dst, stride, top_out, width, height, + dx, max_base_x); + else + BF(dav1d_ipred_z1_fill1, neon)(dst, stride, top_out, width, height, + dx, max_base_x); +} + +void BF(dav1d_ipred_z3_fill1, neon)(pixel *dst, ptrdiff_t stride, + const pixel *const left, const int width, + const int height, const int dy, + const int max_base_y); +void BF(dav1d_ipred_z3_fill2, neon)(pixel *dst, ptrdiff_t stride, + const pixel *const left, const int width, + const int height, const int dy, + const int max_base_y); + +void BF(dav1d_ipred_reverse, neon)(pixel *dst, const pixel *const src, + const int n); + +static void ipred_z3_neon(pixel *dst, const ptrdiff_t stride, + const pixel *const topleft_in, + const int width, const int height, int angle, + const int max_width, const int max_height + HIGHBD_DECL_SUFFIX) +{ + const int is_sm = (angle >> 9) & 0x1; + const int enable_intra_edge_filter = angle >> 10; + angle &= 511; + assert(angle > 180); + int dy = dav1d_dr_intra_derivative[(270 - angle) >> 1]; + pixel flipped[64 + 64 + 16]; + pixel left_out[64 + 64 + (64+15)*2]; + int max_base_y; + const int upsample_left = enable_intra_edge_filter ? + get_upsample(width + height, angle - 180, is_sm) : 0; + if (upsample_left) { + flipped[0] = topleft_in[0]; + BF(dav1d_ipred_reverse, neon)(&flipped[1], &topleft_in[0], + height + imax(width, height)); + BF(dav1d_ipred_z1_upsample_edge, neon)(left_out, width + height, + flipped, + height + imin(width, height) + HIGHBD_TAIL_SUFFIX); + max_base_y = 2 * (width + height) - 2; + dy <<= 1; + } else { + const int filter_strength = enable_intra_edge_filter ? + get_filter_strength(width + height, angle - 180, is_sm) : 0; + + if (filter_strength) { + flipped[0] = topleft_in[0]; + BF(dav1d_ipred_reverse, neon)(&flipped[1], &topleft_in[0], + height + imax(width, height)); + BF(dav1d_ipred_z1_filter_edge, neon)(left_out, width + height, + flipped, + height + imin(width, height), + filter_strength); + max_base_y = width + height - 1; + } else { + BF(dav1d_ipred_reverse, neon)(left_out, &topleft_in[0], + height + imin(width, height)); + max_base_y = height + imin(width, height) - 1; + } + } + const int base_inc = 1 + upsample_left; + // The tbx based implementation needs left[] to have 64 bytes intitialized, + // the other implementation can read height + max(dy >> 6) past the end. + int pad_pixels = imax(64 - max_base_y - 1, height + 15); + + BF(dav1d_ipred_pixel_set, neon)(&left_out[max_base_y + 1], + left_out[max_base_y], pad_pixels * base_inc); + if (upsample_left) + BF(dav1d_ipred_z3_fill2, neon)(dst, stride, left_out, width, height, + dy, max_base_y); + else + BF(dav1d_ipred_z3_fill1, neon)(dst, stride, left_out, width, height, + dy, max_base_y); +} +#endif + +static ALWAYS_INLINE void intra_pred_dsp_init_arm(Dav1dIntraPredDSPContext *const c) { + const unsigned flags = dav1d_get_cpu_flags(); + + if (!(flags & DAV1D_ARM_CPU_FLAG_NEON)) return; + + c->intra_pred[DC_PRED] = BF(dav1d_ipred_dc, neon); + c->intra_pred[DC_128_PRED] = BF(dav1d_ipred_dc_128, neon); + c->intra_pred[TOP_DC_PRED] = BF(dav1d_ipred_dc_top, neon); + c->intra_pred[LEFT_DC_PRED] = BF(dav1d_ipred_dc_left, neon); + c->intra_pred[HOR_PRED] = BF(dav1d_ipred_h, neon); + c->intra_pred[VERT_PRED] = BF(dav1d_ipred_v, neon); + c->intra_pred[PAETH_PRED] = BF(dav1d_ipred_paeth, neon); + c->intra_pred[SMOOTH_PRED] = BF(dav1d_ipred_smooth, neon); + c->intra_pred[SMOOTH_V_PRED] = BF(dav1d_ipred_smooth_v, neon); + c->intra_pred[SMOOTH_H_PRED] = BF(dav1d_ipred_smooth_h, neon); +#if ARCH_AARCH64 + c->intra_pred[Z1_PRED] = ipred_z1_neon; + c->intra_pred[Z3_PRED] = ipred_z3_neon; +#endif + c->intra_pred[FILTER_PRED] = BF(dav1d_ipred_filter, neon); + + c->cfl_pred[DC_PRED] = BF(dav1d_ipred_cfl, neon); + c->cfl_pred[DC_128_PRED] = BF(dav1d_ipred_cfl_128, neon); + c->cfl_pred[TOP_DC_PRED] = BF(dav1d_ipred_cfl_top, neon); + c->cfl_pred[LEFT_DC_PRED] = BF(dav1d_ipred_cfl_left, neon); + + c->cfl_ac[DAV1D_PIXEL_LAYOUT_I420 - 1] = BF(dav1d_ipred_cfl_ac_420, neon); + c->cfl_ac[DAV1D_PIXEL_LAYOUT_I422 - 1] = BF(dav1d_ipred_cfl_ac_422, neon); + c->cfl_ac[DAV1D_PIXEL_LAYOUT_I444 - 1] = BF(dav1d_ipred_cfl_ac_444, neon); + + c->pal_pred = BF(dav1d_pal_pred, neon); +} |