Update libwebp to 0.6.1

* lossless performance and compression improvements + a new 'cruncher' mode (-m 6 -q 100)
* ARM performance improvements with clang (15-20% w/ndk r15c)
* webp-js: emscripten/webassembly based javascript decoder
* miscellaneous bug & build fixes

1 files changed, 0 insertions, 100 deletions

diff --git a/thirdparty/libwebp/dsp/neon.h b/thirdparty/libwebp/dsp/neon.h
deleted file mode 100644
index 3b548a6855..0000000000
--- a/thirdparty/libwebp/dsp/neon.h
+++ /dev/null
@@ -1,100 +0,0 @@
-// Copyright 2014 Google Inc. All Rights Reserved.
-//
-// Use of this source code is governed by a BSD-style license
-// that can be found in the COPYING file in the root of the source
-// tree. An additional intellectual property rights grant can be found
-// in the file PATENTS. All contributing project authors may
-// be found in the AUTHORS file in the root of the source tree.
-// -----------------------------------------------------------------------------
-//
-//  NEON common code.
-
-#ifndef WEBP_DSP_NEON_H_
-#define WEBP_DSP_NEON_H_
-
-#include <arm_neon.h>
-
-#include "./dsp.h"
-
-// Right now, some intrinsics functions seem slower, so we disable them
-// everywhere except aarch64 where the inline assembly is incompatible.
-#if defined(__aarch64__)
-#define WEBP_USE_INTRINSICS   // use intrinsics when possible
-#endif
-
-#define INIT_VECTOR2(v, a, b) do {  \
-  v.val[0] = a;                     \
-  v.val[1] = b;                     \
-} while (0)
-
-#define INIT_VECTOR3(v, a, b, c) do {  \
-  v.val[0] = a;                        \
-  v.val[1] = b;                        \
-  v.val[2] = c;                        \
-} while (0)
-
-#define INIT_VECTOR4(v, a, b, c, d) do {  \
-  v.val[0] = a;                           \
-  v.val[1] = b;                           \
-  v.val[2] = c;                           \
-  v.val[3] = d;                           \
-} while (0)
-
-// if using intrinsics, this flag avoids some functions that make gcc-4.6.3
-// crash ("internal compiler error: in immed_double_const, at emit-rtl.").
-// (probably similar to gcc.gnu.org/bugzilla/show_bug.cgi?id=48183)
-#if !(LOCAL_GCC_PREREQ(4,8) || defined(__aarch64__))
-#define WORK_AROUND_GCC
-#endif
-
-static WEBP_INLINE int32x4x4_t Transpose4x4(const int32x4x4_t rows) {
-  uint64x2x2_t row01, row23;
-
-  row01.val[0] = vreinterpretq_u64_s32(rows.val[0]);
-  row01.val[1] = vreinterpretq_u64_s32(rows.val[1]);
-  row23.val[0] = vreinterpretq_u64_s32(rows.val[2]);
-  row23.val[1] = vreinterpretq_u64_s32(rows.val[3]);
-  // Transpose 64-bit values (there's no vswp equivalent)
-  {
-    const uint64x1_t row0h = vget_high_u64(row01.val[0]);
-    const uint64x1_t row2l = vget_low_u64(row23.val[0]);
-    const uint64x1_t row1h = vget_high_u64(row01.val[1]);
-    const uint64x1_t row3l = vget_low_u64(row23.val[1]);
-    row01.val[0] = vcombine_u64(vget_low_u64(row01.val[0]), row2l);
-    row23.val[0] = vcombine_u64(row0h, vget_high_u64(row23.val[0]));
-    row01.val[1] = vcombine_u64(vget_low_u64(row01.val[1]), row3l);
-    row23.val[1] = vcombine_u64(row1h, vget_high_u64(row23.val[1]));
-  }
-  {
-    const int32x4x2_t out01 = vtrnq_s32(vreinterpretq_s32_u64(row01.val[0]),
-                                        vreinterpretq_s32_u64(row01.val[1]));
-    const int32x4x2_t out23 = vtrnq_s32(vreinterpretq_s32_u64(row23.val[0]),
-                                        vreinterpretq_s32_u64(row23.val[1]));
-    int32x4x4_t out;
-    out.val[0] = out01.val[0];
-    out.val[1] = out01.val[1];
-    out.val[2] = out23.val[0];
-    out.val[3] = out23.val[1];
-    return out;
-  }
-}
-
-#if 0     // Useful debug macro.
-#include <stdio.h>
-#define PRINT_REG(REG, SIZE) do {                       \
-  int i;                                                \
-  printf("%s \t[%d]: 0x", #REG, SIZE);                  \
-  if (SIZE == 8) {                                      \
-    uint8_t _tmp[8];                                    \
-    vst1_u8(_tmp, (REG));                               \
-    for (i = 0; i < 8; ++i) printf("%.2x ", _tmp[i]);   \
-  } else if (SIZE == 16) {                              \
-    uint16_t _tmp[4];                                   \
-    vst1_u16(_tmp, (REG));                              \
-    for (i = 0; i < 4; ++i) printf("%.4x ", _tmp[i]);   \
-  }                                                     \
-  printf("\n");                                         \
-} while (0)
-#endif
-
-#endif  // WEBP_DSP_NEON_H_