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Diffstat (limited to 'src/core/NEON/kernels/NEDepthConvertKernel.cpp')
-rw-r--r--src/core/NEON/kernels/NEDepthConvertKernel.cpp384
1 files changed, 384 insertions, 0 deletions
diff --git a/src/core/NEON/kernels/NEDepthConvertKernel.cpp b/src/core/NEON/kernels/NEDepthConvertKernel.cpp
new file mode 100644
index 0000000000..56612a7703
--- /dev/null
+++ b/src/core/NEON/kernels/NEDepthConvertKernel.cpp
@@ -0,0 +1,384 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "arm_compute/core/NEON/kernels/NEDepthConvertKernel.h"
+
+#include "arm_compute/core/Error.h"
+#include "arm_compute/core/Helpers.h"
+#include "arm_compute/core/ITensor.h"
+#include "arm_compute/core/NEON/NEFixedPoint.h"
+#include "arm_compute/core/TensorInfo.h"
+#include "arm_compute/core/Validate.h"
+
+#include <arm_neon.h>
+
+using namespace arm_compute;
+
+namespace arm_compute
+{
+class Coordinates;
+} // namespace arm_compute
+
+NEDepthConvertKernel::NEDepthConvertKernel()
+ : _policy(), _shift(0)
+{
+}
+
+void NEDepthConvertKernel::configure(const ITensor *input, ITensor *output, ConvertPolicy policy, uint32_t shift)
+{
+ ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8, DataType::QS8, DataType::S16, DataType::U16, DataType::F32);
+ ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, 1, DataType::U8, DataType::QS8, DataType::S16, DataType::U16, DataType::U32, DataType::S32, DataType::F32);
+ ARM_COMPUTE_ERROR_ON(shift >= 8);
+ ARM_COMPUTE_ERROR_ON(input == output);
+ ARM_COMPUTE_ERROR_ON_MSG(input->info()->data_type() == output->info()->data_type(), "Input and output data_types must be different");
+
+ ARM_COMPUTE_ERROR_ON_MSG(input->info()->data_type() == DataType::QS8 && (output->info()->data_type() != DataType::F32),
+ "Only data_types supported [in] QS8 -> [out] F32");
+
+ ARM_COMPUTE_ERROR_ON_MSG(input->info()->data_type() == DataType::U8 && (output->info()->data_type() != DataType::S16 && output->info()->data_type() != DataType::U16
+ && output->info()->data_type() != DataType::S32),
+ "Only data_types supported [in] U8 -> [out] U16, S16, S32");
+
+ ARM_COMPUTE_ERROR_ON_MSG(input->info()->data_type() == DataType::U16 && (output->info()->data_type() != DataType::U8 && output->info()->data_type() != DataType::U32),
+ "Only data_types supported [in] U16 -> [out] U8, U32");
+
+ ARM_COMPUTE_ERROR_ON_MSG(input->info()->data_type() == DataType::S16 && (output->info()->data_type() != DataType::U8 && output->info()->data_type() != DataType::S32),
+ "Only data_types supported [in] S16 -> [out] U8, S32");
+
+ ARM_COMPUTE_ERROR_ON_MSG(input->info()->data_type() == DataType::F32 && (output->info()->data_type() != DataType::QS8),
+ "Only data_types supported [in] F32 -> [out] QS8");
+
+ _policy = policy;
+ _shift = shift;
+
+ constexpr unsigned int num_elems_processed_per_iteration = 16;
+ INESimpleKernel::configure(input, output, num_elems_processed_per_iteration);
+}
+
+void NEDepthConvertKernel::run(const Window &window)
+{
+ ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this);
+ ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(INESimpleKernel::window(), window);
+ ARM_COMPUTE_ERROR_ON(nullptr == _input);
+ ARM_COMPUTE_ERROR_ON(nullptr == _output);
+ ARM_COMPUTE_ERROR_ON(_input == _output);
+
+ Iterator input(_input, window);
+ Iterator output(_output, window);
+
+ switch(_input->info()->data_type())
+ {
+ case DataType::QS8:
+ {
+ const int fixed_point_position = _input->info()->fixed_point_position();
+
+ switch(_output->info()->data_type())
+ {
+ case DataType::F32:
+ {
+ /* Up-conversion QS8 -> F32 */
+ execute_window_loop(window, [&](const Coordinates & id)
+ {
+ const int8x16_t texels_s8 = vld1q_s8(reinterpret_cast<const int8_t *>(input.ptr()));
+
+ float32x4x2_t texels_low = vcvt_f32_qs8(vget_low_s8(texels_s8), fixed_point_position);
+ float32x4x2_t texels_high = vcvt_f32_qs8(vget_high_s8(texels_s8), fixed_point_position);
+
+ vst1q_f32(reinterpret_cast<float *>(output.ptr()), texels_low.val[0]);
+ vst1q_f32(reinterpret_cast<float *>(output.ptr()) + 4, texels_low.val[1]);
+ vst1q_f32(reinterpret_cast<float *>(output.ptr()) + 8, texels_high.val[0]);
+ vst1q_f32(reinterpret_cast<float *>(output.ptr()) + 12, texels_high.val[1]);
+ },
+ input, output);
+ break;
+ }
+ default:
+ ARM_COMPUTE_ERROR("Output data type not supported");
+ }
+ break;
+ }
+ case DataType::U8:
+ {
+ const int16x8_t b = vdupq_n_s16(_shift);
+
+ switch(_output->info()->data_type())
+ {
+ case DataType::S16:
+ {
+ /* Up-conversion U8 -> S16 */
+ execute_window_loop(window, [&](const Coordinates & id)
+ {
+ const uint8x16_t texels_u8 = vld1q_u8(input.ptr());
+
+ const int16x8x2_t texels =
+ {
+ {
+ vshlq_s16(vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(texels_u8))), b),
+ vshlq_s16(vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(texels_u8))), b)
+ }
+ };
+
+ vst1q_s16(reinterpret_cast<int16_t *>(output.ptr()), texels.val[0]);
+ vst1q_s16(reinterpret_cast<int16_t *>(output.ptr()) + 8, texels.val[1]);
+ },
+ input, output);
+ break;
+ }
+ case DataType::S32:
+ {
+ /* Up-conversion U8 -> S32 */
+ execute_window_loop(window, [&](const Coordinates & id)
+ {
+ const uint8x16_t texels_u8 = vld1q_u8(input.ptr());
+
+ const int16x8x2_t texels =
+ {
+ {
+ vshlq_s16(vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(texels_u8))), b),
+ vshlq_s16(vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(texels_u8))), b)
+ }
+ };
+
+ vst1q_s32(reinterpret_cast<int32_t *>(output.ptr()), vmovl_s16(vget_low_s16(texels.val[0])));
+ vst1q_s32(reinterpret_cast<int32_t *>(output.ptr()) + 4, vmovl_s16(vget_high_s16(texels.val[0])));
+ vst1q_s32(reinterpret_cast<int32_t *>(output.ptr()) + 8, vmovl_s16(vget_low_s16(texels.val[1])));
+ vst1q_s32(reinterpret_cast<int32_t *>(output.ptr()) + 12, vmovl_s16(vget_high_s16(texels.val[1])));
+ },
+ input, output);
+ break;
+ }
+ case DataType::U16:
+ {
+ /* Up-conversion U8 -> U16 */
+ execute_window_loop(window, [&](const Coordinates & id)
+ {
+ const uint8x16_t texels_u8 = vld1q_u8(input.ptr());
+
+ const uint16x8x2_t texels =
+ {
+ {
+ vshlq_u16(vmovl_u8(vget_low_u8(texels_u8)), b),
+ vshlq_u16(vmovl_u8(vget_high_u8(texels_u8)), b)
+ }
+ };
+
+ vst1q_u16(reinterpret_cast<uint16_t *>(output.ptr()), texels.val[0]);
+ vst1q_u16(reinterpret_cast<uint16_t *>(output.ptr()) + 8, texels.val[1]);
+ },
+ input, output);
+ break;
+ }
+ default:
+ ARM_COMPUTE_ERROR("Output data type not supported");
+ }
+ break;
+ }
+ case DataType::S16:
+ {
+ switch(_output->info()->data_type())
+ {
+ case DataType::U8:
+ {
+ const int16x8_t b = vdupq_n_s16(-static_cast<int16_t>(_shift));
+
+ /* Down-conversion S16 -> U8 */
+ if(ConvertPolicy::SATURATE == _policy)
+ {
+ execute_window_loop(window, [&](const Coordinates & id)
+ {
+ const int16x8x2_t texels =
+ {
+ {
+ vqshlq_s16(vld1q_s16(reinterpret_cast<int16_t *>(input.ptr())), b),
+ vqshlq_s16(vld1q_s16(reinterpret_cast<int16_t *>(input.ptr()) + 8), b)
+ }
+ };
+
+ vst1q_u8(output.ptr(), vcombine_u8(vqmovun_s16(texels.val[0]), vqmovun_s16(texels.val[1])));
+ },
+ input, output);
+ }
+ else
+ {
+ execute_window_loop(window, [&](const Coordinates & id)
+ {
+ const int16x8x2_t texels =
+ {
+ {
+ vshlq_s16(vld1q_s16(reinterpret_cast<int16_t *>(input.ptr())), b),
+ vshlq_s16(vld1q_s16(reinterpret_cast<int16_t *>(input.ptr()) + 8), b)
+ }
+ };
+
+ vst1q_u8(output.ptr(), vcombine_u8(vmovn_u16(vreinterpretq_u16_s16(texels.val[0])),
+ vmovn_u16(vreinterpretq_u16_s16(texels.val[1]))));
+ },
+ input, output);
+ }
+ break;
+ }
+ case DataType::S32:
+ {
+ const int32x4_t b = vdupq_n_s32(_shift);
+
+ /* Up-conversion S16 -> S32 */
+ execute_window_loop(window, [&](const Coordinates & id)
+ {
+ const int16x8x2_t texels =
+ {
+ {
+ vld1q_s16(reinterpret_cast<int16_t *>(input.ptr())),
+ vld1q_s16(reinterpret_cast<int16_t *>(input.ptr()) + 8)
+ }
+ };
+
+ const int32x4x4_t texels_s32 =
+ {
+ {
+ vshlq_s32(vmovl_s16(vget_low_s16(texels.val[0])), b),
+ vshlq_s32(vmovl_s16(vget_high_s16(texels.val[0])), b),
+ vshlq_s32(vmovl_s16(vget_low_s16(texels.val[1])), b),
+ vshlq_s32(vmovl_s16(vget_high_s16(texels.val[1])), b)
+ }
+ };
+
+ vst1q_s32(reinterpret_cast<int32_t *>(output.ptr()), texels_s32.val[0]);
+ vst1q_s32(reinterpret_cast<int32_t *>(output.ptr()) + 4, texels_s32.val[1]);
+ vst1q_s32(reinterpret_cast<int32_t *>(output.ptr()) + 8, texels_s32.val[2]);
+ vst1q_s32(reinterpret_cast<int32_t *>(output.ptr()) + 12, texels_s32.val[3]);
+ },
+ input, output);
+ break;
+ }
+ default:
+ ARM_COMPUTE_ERROR("Output data type not supported");
+ }
+ break;
+ }
+ case DataType::U16:
+ {
+ switch(_output->info()->data_type())
+ {
+ case DataType::U8:
+ {
+ const int16x8_t b = vdupq_n_s16(-static_cast<int16_t>(_shift));
+
+ /* Down-conversion U16 -> U8 */
+ if(ConvertPolicy::SATURATE == _policy)
+ {
+ execute_window_loop(window, [&](const Coordinates & id)
+ {
+ const uint16x8x2_t texels =
+ {
+ {
+ vqshlq_u16(vld1q_u16(reinterpret_cast<uint16_t *>(input.ptr())), b),
+ vqshlq_u16(vld1q_u16(reinterpret_cast<uint16_t *>(input.ptr()) + 8), b)
+ }
+ };
+
+ vst1q_u8(output.ptr(), vcombine_u8(vqmovn_u16(texels.val[0]), vqmovn_u16(texels.val[1])));
+ },
+ input, output);
+ }
+ else
+ {
+ execute_window_loop(window, [&](const Coordinates & id)
+ {
+ const uint16x8x2_t texels =
+ {
+ {
+ vshlq_u16(vld1q_u16(reinterpret_cast<uint16_t *>(input.ptr())), b),
+ vshlq_u16(vld1q_u16(reinterpret_cast<uint16_t *>(input.ptr()) + 8), b)
+ }
+ };
+
+ vst1q_u8(output.ptr(), vcombine_u8(vmovn_u16(texels.val[0]), vmovn_u16(texels.val[1])));
+ },
+ input, output);
+ }
+ break;
+ }
+ case DataType::U32:
+ {
+ const int32x4_t b = vdupq_n_s32(_shift);
+
+ /* Up-conversion U16 -> U32 */
+ execute_window_loop(window, [&](const Coordinates & id)
+ {
+ const uint16x8x2_t texels =
+ {
+ {
+ vld1q_u16(reinterpret_cast<uint16_t *>(input.ptr())),
+ vld1q_u16(reinterpret_cast<uint16_t *>(input.ptr()) + 8)
+ }
+ };
+
+ vst1q_u32(reinterpret_cast<uint32_t *>(output.ptr()), vshlq_u32(vmovl_u16(vget_low_u16(texels.val[0])), b));
+ vst1q_u32(reinterpret_cast<uint32_t *>(output.ptr()) + 4, vshlq_u32(vmovl_u16(vget_high_u16(texels.val[0])), b));
+ vst1q_u32(reinterpret_cast<uint32_t *>(output.ptr()) + 8, vshlq_u32(vmovl_u16(vget_low_u16(texels.val[1])), b));
+ vst1q_u32(reinterpret_cast<uint32_t *>(output.ptr()) + 12, vshlq_u32(vmovl_u16(vget_high_u16(texels.val[1])), b));
+ },
+ input, output);
+ break;
+ }
+ default:
+ ARM_COMPUTE_ERROR("Output data type not supported");
+ }
+ break;
+ }
+ case DataType::F32:
+ {
+ switch(_output->info()->data_type())
+ {
+ case DataType::QS8:
+ {
+ const int fixed_point_position = _output->info()->fixed_point_position();
+ /* Down-conversion F32 -> QS8 */
+ execute_window_loop(window, [&](const Coordinates & id)
+ {
+ const float32x4x4_t texels_f32 =
+ {
+ {
+ vld1q_f32(reinterpret_cast<const float *>(input.ptr())),
+ vld1q_f32(reinterpret_cast<const float *>(input.ptr()) + 4),
+ vld1q_f32(reinterpret_cast<const float *>(input.ptr()) + 8),
+ vld1q_f32(reinterpret_cast<const float *>(input.ptr()) + 12)
+ }
+ };
+
+ const qint8x16_t texels_s8 = vcvtq_qs8_f32(texels_f32, fixed_point_position);
+
+ vst1q_s8(reinterpret_cast<int8_t *>(output.ptr()), texels_s8);
+ },
+ input, output);
+ break;
+ }
+ default:
+ ARM_COMPUTE_ERROR("Output data type not supported");
+ }
+ break;
+ }
+ default:
+ ARM_COMPUTE_ERROR("Not supported");
+ }
+}
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