diff options
Diffstat (limited to 'chromium/third_party/dav1d/libdav1d/src/arm/cdef.h')
| -rw-r--r-- | chromium/third_party/dav1d/libdav1d/src/arm/cdef.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/chromium/third_party/dav1d/libdav1d/src/arm/cdef.h b/chromium/third_party/dav1d/libdav1d/src/arm/cdef.h new file mode 100644 index 00000000000..2e8c8ab6fb8 --- /dev/null +++ b/chromium/third_party/dav1d/libdav1d/src/arm/cdef.h @@ -0,0 +1,88 @@ +/* + * 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/cdef.h" + +decl_cdef_dir_fn(BF(dav1d_cdef_find_dir, neon)); + +void BF(dav1d_cdef_padding4, neon)(uint16_t *tmp, const pixel *src, + ptrdiff_t src_stride, const pixel (*left)[2], + const pixel *const top, + const pixel *const bottom, int h, + enum CdefEdgeFlags edges); +void BF(dav1d_cdef_padding8, neon)(uint16_t *tmp, const pixel *src, + ptrdiff_t src_stride, const pixel (*left)[2], + const pixel *const top, + const pixel *const bottom, int h, + enum CdefEdgeFlags edges); + +// Passing edges to this function, to allow it to switch to a more +// optimized version for fully edged cases. Using size_t for edges, +// to avoid ABI differences for passing more than one argument on the stack. +void BF(dav1d_cdef_filter4, neon)(pixel *dst, ptrdiff_t dst_stride, + const uint16_t *tmp, int pri_strength, + int sec_strength, int dir, int damping, int h, + size_t edges HIGHBD_DECL_SUFFIX); +void BF(dav1d_cdef_filter8, neon)(pixel *dst, ptrdiff_t dst_stride, + const uint16_t *tmp, int pri_strength, + int sec_strength, int dir, int damping, int h, + size_t edges HIGHBD_DECL_SUFFIX); + +#define DEFINE_FILTER(w, h, tmp_stride) \ +static void \ +cdef_filter_##w##x##h##_neon(pixel *dst, const ptrdiff_t stride, \ + const pixel (*left)[2], \ + const pixel *const top, \ + const pixel *const bottom, \ + const int pri_strength, const int sec_strength, \ + const int dir, const int damping, \ + const enum CdefEdgeFlags edges \ + HIGHBD_DECL_SUFFIX) \ +{ \ + ALIGN_STK_16(uint16_t, tmp_buf, 12 * tmp_stride + 8,); \ + uint16_t *tmp = tmp_buf + 2 * tmp_stride + 8; \ + BF(dav1d_cdef_padding##w, neon)(tmp, dst, stride, \ + left, top, bottom, h, edges); \ + BF(dav1d_cdef_filter##w, neon)(dst, stride, tmp, pri_strength, \ + sec_strength, dir, damping, h, edges \ + HIGHBD_TAIL_SUFFIX); \ +} + +DEFINE_FILTER(8, 8, 16) +DEFINE_FILTER(4, 8, 8) +DEFINE_FILTER(4, 4, 8) + +static ALWAYS_INLINE void cdef_dsp_init_arm(Dav1dCdefDSPContext *const c) { + const unsigned flags = dav1d_get_cpu_flags(); + + if (!(flags & DAV1D_ARM_CPU_FLAG_NEON)) return; + + c->dir = BF(dav1d_cdef_find_dir, neon); + c->fb[0] = cdef_filter_8x8_neon; + c->fb[1] = cdef_filter_4x8_neon; + c->fb[2] = cdef_filter_4x4_neon; +} |