Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 204 insertions, 0 deletions

diff --git a/third_party/dav1d/src/arm/filmgrain.h b/third_party/dav1d/src/arm/filmgrain.h
new file mode 100644
index 0000000000..48776ac852
--- /dev/null
+++ b/third_party/dav1d/src/arm/filmgrain.h
@@ -0,0 +1,204 @@
+/*
+ * Copyright © 2018, Niklas Haas
+ * Copyright © 2018, VideoLAN and dav1d authors
+ * Copyright © 2018, Two Orioles, LLC
+ * Copyright © 2021, Martin Storsjo
+ * 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/filmgrain.h"
+#include "asm-offsets.h"
+
+CHECK_OFFSET(Dav1dFilmGrainData, seed, FGD_SEED);
+CHECK_OFFSET(Dav1dFilmGrainData, ar_coeff_lag, FGD_AR_COEFF_LAG);
+CHECK_OFFSET(Dav1dFilmGrainData, ar_coeffs_y, FGD_AR_COEFFS_Y);
+CHECK_OFFSET(Dav1dFilmGrainData, ar_coeffs_uv, FGD_AR_COEFFS_UV);
+CHECK_OFFSET(Dav1dFilmGrainData, ar_coeff_shift, FGD_AR_COEFF_SHIFT);
+CHECK_OFFSET(Dav1dFilmGrainData, grain_scale_shift, FGD_GRAIN_SCALE_SHIFT);
+
+CHECK_OFFSET(Dav1dFilmGrainData, scaling_shift, FGD_SCALING_SHIFT);
+CHECK_OFFSET(Dav1dFilmGrainData, uv_mult, FGD_UV_MULT);
+CHECK_OFFSET(Dav1dFilmGrainData, uv_luma_mult, FGD_UV_LUMA_MULT);
+CHECK_OFFSET(Dav1dFilmGrainData, uv_offset, FGD_UV_OFFSET);
+CHECK_OFFSET(Dav1dFilmGrainData, clip_to_restricted_range, FGD_CLIP_TO_RESTRICTED_RANGE);
+
+void BF(dav1d_generate_grain_y, neon)(entry buf[][GRAIN_WIDTH],
+                                      const Dav1dFilmGrainData *const data
+                                      HIGHBD_DECL_SUFFIX);
+
+#define GEN_GRAIN_UV(suff) \
+void BF(dav1d_generate_grain_uv_ ## suff, neon)(entry buf[][GRAIN_WIDTH], \
+                                                const entry buf_y[][GRAIN_WIDTH], \
+                                                const Dav1dFilmGrainData *const data, \
+                                                const intptr_t uv \
+                                                HIGHBD_DECL_SUFFIX)
+
+GEN_GRAIN_UV(420);
+GEN_GRAIN_UV(422);
+GEN_GRAIN_UV(444);
+
+// Use ptrdiff_t instead of int for the last few parameters, to get the
+// same layout of parameters on the stack across platforms.
+void BF(dav1d_fgy_32x32, neon)(pixel *const dst,
+                               const pixel *const src,
+                               const ptrdiff_t stride,
+                               const uint8_t scaling[SCALING_SIZE],
+                               const int scaling_shift,
+                               const entry grain_lut[][GRAIN_WIDTH],
+                               const int offsets[][2],
+                               const int h, const ptrdiff_t clip,
+                               const ptrdiff_t type
+                               HIGHBD_DECL_SUFFIX);
+
+static void fgy_32x32xn_neon(pixel *const dst_row, const pixel *const src_row,
+                             const ptrdiff_t stride,
+                             const Dav1dFilmGrainData *const data, const size_t pw,
+                             const uint8_t scaling[SCALING_SIZE],
+                             const entry grain_lut[][GRAIN_WIDTH],
+                             const int bh, const int row_num HIGHBD_DECL_SUFFIX)
+{
+    const int rows = 1 + (data->overlap_flag && row_num > 0);
+
+    // seed[0] contains the current row, seed[1] contains the previous
+    unsigned seed[2];
+    for (int i = 0; i < rows; i++) {
+        seed[i] = data->seed;
+        seed[i] ^= (((row_num - i) * 37  + 178) & 0xFF) << 8;
+        seed[i] ^= (((row_num - i) * 173 + 105) & 0xFF);
+    }
+
+    int offsets[2 /* col offset */][2 /* row offset */];
+
+    // process this row in BLOCK_SIZE^2 blocks
+    for (unsigned bx = 0; bx < pw; bx += BLOCK_SIZE) {
+
+        if (data->overlap_flag && bx) {
+            // shift previous offsets left
+            for (int i = 0; i < rows; i++)
+                offsets[1][i] = offsets[0][i];
+        }
+
+        // update current offsets
+        for (int i = 0; i < rows; i++)
+            offsets[0][i] = get_random_number(8, &seed[i]);
+
+        int type = 0;
+        if (data->overlap_flag && row_num)
+            type |= 1; /* overlap y */
+        if (data->overlap_flag && bx)
+            type |= 2; /* overlap x */
+
+        BF(dav1d_fgy_32x32, neon)(dst_row + bx, src_row + bx, stride,
+                                  scaling, data->scaling_shift,
+                                  grain_lut, offsets, bh,
+                                  data->clip_to_restricted_range, type
+                                  HIGHBD_TAIL_SUFFIX);
+    }
+}
+
+// Use ptrdiff_t instead of int for the last few parameters, to get the
+// parameters on the stack with the same layout across platforms.
+#define FGUV(nm, sx, sy) \
+void BF(dav1d_fguv_32x32_##nm, neon)(pixel *const dst, \
+                                     const pixel *const src, \
+                                     const ptrdiff_t stride, \
+                                     const uint8_t scaling[SCALING_SIZE], \
+                                     const Dav1dFilmGrainData *const data, \
+                                     const entry grain_lut[][GRAIN_WIDTH], \
+                                     const pixel *const luma_row, \
+                                     const ptrdiff_t luma_stride, \
+                                     const int offsets[][2], \
+                                     const ptrdiff_t h, const ptrdiff_t uv, \
+                                     const ptrdiff_t is_id, \
+                                     const ptrdiff_t type \
+                                     HIGHBD_DECL_SUFFIX); \
+static void \
+fguv_32x32xn_##nm##_neon(pixel *const dst_row, const pixel *const src_row, \
+                  const ptrdiff_t stride, const Dav1dFilmGrainData *const data, \
+                  const size_t pw, const uint8_t scaling[SCALING_SIZE], \
+                  const entry grain_lut[][GRAIN_WIDTH], const int bh, \
+                  const int row_num, const pixel *const luma_row, \
+                  const ptrdiff_t luma_stride, const int uv, const int is_id \
+                  HIGHBD_DECL_SUFFIX) \
+{ \
+    const int rows = 1 + (data->overlap_flag && row_num > 0); \
+ \
+    /* seed[0] contains the current row, seed[1] contains the previous */ \
+    unsigned seed[2]; \
+    for (int i = 0; i < rows; i++) { \
+        seed[i] = data->seed; \
+        seed[i] ^= (((row_num - i) * 37  + 178) & 0xFF) << 8; \
+        seed[i] ^= (((row_num - i) * 173 + 105) & 0xFF); \
+    } \
+ \
+    int offsets[2 /* col offset */][2 /* row offset */]; \
+ \
+    /* process this row in BLOCK_SIZE^2 blocks (subsampled) */ \
+    for (unsigned bx = 0; bx < pw; bx += BLOCK_SIZE >> sx) { \
+        if (data->overlap_flag && bx) { \
+            /* shift previous offsets left */ \
+            for (int i = 0; i < rows; i++) \
+                offsets[1][i] = offsets[0][i]; \
+        } \
+ \
+        /* update current offsets */ \
+        for (int i = 0; i < rows; i++) \
+            offsets[0][i] = get_random_number(8, &seed[i]); \
+ \
+        int type = 0; \
+        if (data->overlap_flag && row_num) \
+            type |= 1; /* overlap y */ \
+        if (data->overlap_flag && bx) \
+            type |= 2; /* overlap x */ \
+        if (data->chroma_scaling_from_luma) \
+            type |= 4; \
+ \
+        BF(dav1d_fguv_32x32_##nm, neon)(dst_row + bx, src_row + bx, stride, \
+                                        scaling, data, grain_lut, \
+                                        luma_row + (bx << sx), luma_stride, \
+                                        offsets, bh, uv, is_id, type \
+                                        HIGHBD_TAIL_SUFFIX); \
+    } \
+}
+
+FGUV(420, 1, 1);
+FGUV(422, 1, 0);
+FGUV(444, 0, 0);
+
+static ALWAYS_INLINE void film_grain_dsp_init_arm(Dav1dFilmGrainDSPContext *const c) {
+    const unsigned flags = dav1d_get_cpu_flags();
+
+    if (!(flags & DAV1D_ARM_CPU_FLAG_NEON)) return;
+
+    c->generate_grain_y = BF(dav1d_generate_grain_y, neon);
+    c->generate_grain_uv[DAV1D_PIXEL_LAYOUT_I420 - 1] = BF(dav1d_generate_grain_uv_420, neon);
+    c->generate_grain_uv[DAV1D_PIXEL_LAYOUT_I422 - 1] = BF(dav1d_generate_grain_uv_422, neon);
+    c->generate_grain_uv[DAV1D_PIXEL_LAYOUT_I444 - 1] = BF(dav1d_generate_grain_uv_444, neon);
+
+    c->fgy_32x32xn = fgy_32x32xn_neon;
+    c->fguv_32x32xn[DAV1D_PIXEL_LAYOUT_I420 - 1] = fguv_32x32xn_420_neon;
+    c->fguv_32x32xn[DAV1D_PIXEL_LAYOUT_I422 - 1] = fguv_32x32xn_422_neon;
+    c->fguv_32x32xn[DAV1D_PIXEL_LAYOUT_I444 - 1] = fguv_32x32xn_444_neon;
+}