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-rw-r--r--third_party/dav1d/src/arm/cdef.h88
1 files changed, 88 insertions, 0 deletions
diff --git a/third_party/dav1d/src/arm/cdef.h b/third_party/dav1d/src/arm/cdef.h
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+++ b/third_party/dav1d/src/arm/cdef.h
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+/*
+ * 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;
+}