| /* |
| * Copyright 2019 The libgav1 Authors |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef LIBGAV1_SRC_DSP_LOOP_RESTORATION_H_ |
| #define LIBGAV1_SRC_DSP_LOOP_RESTORATION_H_ |
| |
| // Pull in LIBGAV1_DspXXX defines representing the implementation status |
| // of each function. The resulting value of each can be used by each module to |
| // determine whether an implementation is needed at compile time. |
| // IWYU pragma: begin_exports |
| |
| // ARM: |
| #include "src/dsp/arm/loop_restoration_neon.h" |
| |
| // x86: |
| // Note includes should be sorted in logical order avx2/avx/sse4, etc. |
| // The order of includes is important as each tests for a superior version |
| // before setting the base. |
| // clang-format off |
| #include "src/dsp/x86/loop_restoration_avx2.h" |
| #include "src/dsp/x86/loop_restoration_sse4.h" |
| // clang-format on |
| |
| // IWYU pragma: end_exports |
| |
| namespace libgav1 { |
| namespace dsp { |
| |
| extern const uint8_t kSgrMaLookup[256]; |
| |
| // Initializes Dsp::loop_restorations. This function is not thread-safe. |
| void LoopRestorationInit_C(); |
| |
| template <typename T> |
| void Circulate3PointersBy1(T* p[3]) { |
| T* const p0 = p[0]; |
| p[0] = p[1]; |
| p[1] = p[2]; |
| p[2] = p0; |
| } |
| |
| template <typename T> |
| void Circulate4PointersBy2(T* p[4]) { |
| std::swap(p[0], p[2]); |
| std::swap(p[1], p[3]); |
| } |
| |
| template <typename T> |
| void Circulate5PointersBy2(T* p[5]) { |
| T* const p0 = p[0]; |
| T* const p1 = p[1]; |
| p[0] = p[2]; |
| p[1] = p[3]; |
| p[2] = p[4]; |
| p[3] = p0; |
| p[4] = p1; |
| } |
| |
| } // namespace dsp |
| } // namespace libgav1 |
| |
| #endif // LIBGAV1_SRC_DSP_LOOP_RESTORATION_H_ |