| /* |
| * Copyright (c) 2016-2018 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 "helpers.h" |
| |
| /** This function extracts a given channel from an RGB image. |
| * |
| * @note Channel to be extracted should be passed as a pre-processor argument, e.g. -DCHANNEL_B will extract the B channel. |
| * |
| * @param[in] src_ptr Pointer to the source image. Supported Format: RGB |
| * @param[in] src_stride_x Stride of the source image in X dimension (in bytes) |
| * @param[in] src_step_x src_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] src_stride_y Stride of the source image in Y dimension (in bytes) |
| * @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes) |
| * @param[in] src_offset_first_element_in_bytes The offset of the first element in the source image |
| * @param[out] dst_ptr Pointer to the destination image. Supported Format: U8 |
| * @param[in] dst_stride_x Stride of the destination image in X dimension (in bytes) |
| * @param[in] dst_step_x dst_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] dst_stride_y Stride of the destination image in Y dimension (in bytes) |
| * @param[in] dst_step_y dst_stride_y * number of elements along Y processed per workitem(in bytes) |
| * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination image |
| */ |
| __kernel void channel_extract_RGB888( |
| IMAGE_DECLARATION(src), |
| IMAGE_DECLARATION(dst)) |
| { |
| // Get pixels pointer |
| Image src = CONVERT_TO_IMAGE_STRUCT(src); |
| Image dst = CONVERT_TO_IMAGE_STRUCT(dst); |
| |
| uchar16 data = vload16(0, src.ptr); |
| uchar8 data2 = vload8(0, src.ptr + 16); |
| |
| #ifdef CHANNEL_R |
| vstore4(data.s0369, 0, dst.ptr); |
| vstore4((uchar4)(data.sCF, data2.s25), 0, dst.ptr + 4); |
| #elif defined(CHANNEL_G) |
| vstore4(data.s147A, 0, dst.ptr); |
| vstore4((uchar4)(data.sD, data2.s036), 0, dst.ptr + 4); |
| #elif defined(CHANNEL_B) |
| vstore4(data.s258B, 0, dst.ptr); |
| vstore4((uchar4)(data.sE, data2.s147), 0, dst.ptr + 4); |
| #endif /* CHANNEL_R or CHANNEL_G or CHANNEL_B */ |
| } |
| |
| /** This function extracts a given channel from an RGBA image. |
| * |
| * @note Channel to be extracted should be passed as a pre-processor argument, e.g. -DCHANNEL_B will extract the B channel. |
| * |
| * @param[in] src_ptr Pointer to the source image. Supported Format: RGBA |
| * @param[in] src_stride_x Stride of the source image in X dimension (in bytes) |
| * @param[in] src_step_x src_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] src_stride_y Stride of the source image in Y dimension (in bytes) |
| * @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes) |
| * @param[in] src_offset_first_element_in_bytes The offset of the first element in the source image |
| * @param[out] dst_ptr Pointer to the destination image. Supported Format: U8 |
| * @param[in] dst_stride_x Stride of the destination image in X dimension (in bytes) |
| * @param[in] dst_step_x dst_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] dst_stride_y Stride of the destination image in Y dimension (in bytes) |
| * @param[in] dst_step_y dst_stride_y * number of elements along Y processed per workitem(in bytes) |
| * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination image |
| */ |
| __kernel void channel_extract_RGBA8888( |
| IMAGE_DECLARATION(src), |
| IMAGE_DECLARATION(dst)) |
| { |
| // Get pixels pointer |
| Image src = CONVERT_TO_IMAGE_STRUCT(src); |
| Image dst = CONVERT_TO_IMAGE_STRUCT(dst); |
| |
| uchar16 data = vload16(0, src.ptr); |
| uchar16 data2 = vload16(0, src.ptr + 16); |
| |
| #ifdef CHANNEL_R |
| vstore8((uchar8)(data.s048C, data2.s048C), 0, dst.ptr); |
| #elif defined(CHANNEL_G) |
| vstore8((uchar8)(data.s159D, data2.s159D), 0, dst.ptr); |
| #elif defined(CHANNEL_B) |
| vstore8((uchar8)(data.s26AE, data2.s26AE), 0, dst.ptr); |
| #elif defined(CHANNEL_A) |
| vstore8((uchar8)(data.s37BF, data2.s37BF), 0, dst.ptr); |
| #endif /* CHANNEL_R or CHANNEL_G or CHANNEL_B or CHANNEL_A */ |
| } |
| |
| /** This function extracts a given channel from an YUYV image. |
| * |
| * @note Channel to be extracted should be passed as a pre-processor argument, e.g. -DCHANNEL_U will extract the U channel. |
| * |
| * @param[in] src_ptr Pointer to the source image. Supported Format: YUYV |
| * @param[in] src_stride_x Stride of the source image in X dimension (in bytes) |
| * @param[in] src_step_x src_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] src_stride_y Stride of the source image in Y dimension (in bytes) |
| * @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes) |
| * @param[in] src_offset_first_element_in_bytes The offset of the first element in the source image |
| * @param[out] dst_ptr Pointer to the destination image. Supported Format: U8 |
| * @param[in] dst_stride_x Stride of the destination image in X dimension (in bytes) |
| * @param[in] dst_step_x dst_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] dst_stride_y Stride of the destination image in Y dimension (in bytes) |
| * @param[in] dst_step_y dst_stride_y * number of elements along Y processed per workitem(in bytes) |
| * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination image |
| */ |
| __kernel void channel_extract_YUYV422( |
| IMAGE_DECLARATION(src), |
| IMAGE_DECLARATION(dst)) |
| { |
| // Get pixels pointer |
| Image src = CONVERT_TO_IMAGE_STRUCT(src); |
| Image dst = CONVERT_TO_IMAGE_STRUCT(dst); |
| |
| uchar16 data = vload16(0, src.ptr); |
| |
| #ifdef CHANNEL_Y |
| vstore8(data.s02468ACE, 0, dst.ptr); |
| #elif defined(CHANNEL_U) |
| vstore4(data.s159D, 0, dst.ptr); |
| #elif defined(CHANNEL_V) |
| vstore4(data.s37BF, 0, dst.ptr); |
| #endif /* CHANNEL_Y or CHANNEL_U or CHANNEL_V */ |
| } |
| |
| /** This function extracts a given channel from an UYUV image. |
| * |
| * @note Channel to be extracted should be passed as a pre-processor argument, e.g. -DCHANNEL_U will extract the U channel. |
| * |
| * @param[in] src_ptr Pointer to the source image. Supported Format: UYUV |
| * @param[in] src_stride_x Stride of the source image in X dimension (in bytes) |
| * @param[in] src_step_x src_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] src_stride_y Stride of the source image in Y dimension (in bytes) |
| * @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes) |
| * @param[in] src_offset_first_element_in_bytes The offset of the first element in the source image |
| * @param[out] dst_ptr Pointer to the destination image. Supported Format: U8 |
| * @param[in] dst_stride_x Stride of the destination image in X dimension (in bytes) |
| * @param[in] dst_step_x dst_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] dst_stride_y Stride of the destination image in Y dimension (in bytes) |
| * @param[in] dst_step_y dst_stride_y * number of elements along Y processed per workitem(in bytes) |
| * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination image |
| */ |
| __kernel void channel_extract_UYVY422( |
| IMAGE_DECLARATION(src), |
| IMAGE_DECLARATION(dst)) |
| { |
| // Get pixels pointer |
| Image src = CONVERT_TO_IMAGE_STRUCT(src); |
| Image dst = CONVERT_TO_IMAGE_STRUCT(dst); |
| |
| uchar16 data = vload16(0, src.ptr); |
| |
| #ifdef CHANNEL_Y |
| vstore8(data.s13579BDF, 0, dst.ptr); |
| #elif defined(CHANNEL_U) |
| vstore4(data.s048C, 0, dst.ptr); |
| #elif defined(CHANNEL_V) |
| vstore4(data.s26AE, 0, dst.ptr); |
| #endif /* CHANNEL_Y or CHANNEL_U or CHANNEL_V */ |
| } |
| |
| /** This function extracts a given channel from an NV12 image. |
| * |
| * @note Channel to be extracted should be passed as a pre-processor argument, e.g. -DCHANNEL_U will extract the U channel. |
| * @warning Only channels UV can be extracted using this kernel. |
| * |
| * @param[in] src_ptr Pointer to the source image. Supported Format: NV12 (UV88) |
| * @param[in] src_stride_x Stride of the source image in X dimension (in bytes) |
| * @param[in] src_step_x src_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] src_stride_y Stride of the source image in Y dimension (in bytes) |
| * @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes) |
| * @param[in] src_offset_first_element_in_bytes The offset of the first element in the source image |
| * @param[out] dst_ptr Pointer to the destination image. Supported Format: U8 |
| * @param[in] dst_stride_x Stride of the destination image in X dimension (in bytes) |
| * @param[in] dst_step_x dst_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] dst_stride_y Stride of the destination image in Y dimension (in bytes) |
| * @param[in] dst_step_y dst_stride_y * number of elements along Y processed per workitem(in bytes) |
| * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination image |
| */ |
| __kernel void channel_extract_NV12( |
| IMAGE_DECLARATION(src), |
| IMAGE_DECLARATION(dst)) |
| { |
| // Get pixels pointer |
| Image src = CONVERT_TO_IMAGE_STRUCT(src); |
| Image dst = CONVERT_TO_IMAGE_STRUCT(dst); |
| |
| uchar16 data = vload16(0, src.ptr); |
| |
| #ifdef CHANNEL_U |
| vstore8(data.s02468ACE, 0, dst.ptr); |
| #elif defined(CHANNEL_V) |
| vstore8(data.s13579BDF, 0, dst.ptr); |
| #endif /* CHANNEL_U or CHANNEL_V */ |
| } |
| |
| /** This function extracts a given channel from an NV21 image. |
| * |
| * @note Channel to be extracted should be passed as a pre-processor argument, e.g. -DCHANNEL_U will extract the U channel. |
| * @warning Only channels UV can be extracted using this kernel. |
| * |
| * @param[in] src_ptr Pointer to the source image. Supported Format: NV21 (UV88) |
| * @param[in] src_stride_x Stride of the source image in X dimension (in bytes) |
| * @param[in] src_step_x src_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] src_stride_y Stride of the source image in Y dimension (in bytes) |
| * @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes) |
| * @param[in] src_offset_first_element_in_bytes The offset of the first element in the source image |
| * @param[out] dst_ptr Pointer to the destination image. Supported Format: U8 |
| * @param[in] dst_stride_x Stride of the destination image in X dimension (in bytes) |
| * @param[in] dst_step_x dst_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] dst_stride_y Stride of the destination image in Y dimension (in bytes) |
| * @param[in] dst_step_y dst_stride_y * number of elements along Y processed per workitem(in bytes) |
| * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination image |
| */ |
| __kernel void channel_extract_NV21( |
| IMAGE_DECLARATION(src), |
| IMAGE_DECLARATION(dst)) |
| { |
| // Get pixels pointer |
| Image src = CONVERT_TO_IMAGE_STRUCT(src); |
| Image dst = CONVERT_TO_IMAGE_STRUCT(dst); |
| |
| uchar16 data = vload16(0, src.ptr); |
| |
| #ifdef CHANNEL_U |
| vstore8(data.s13579BDF, 0, dst.ptr); |
| #elif defined(CHANNEL_V) |
| vstore8(data.s02468ACE, 0, dst.ptr); |
| #endif /* CHANNEL_U or CHANNEL_V */ |
| } |
| |
| /** This function extracts a given plane from an multi-planar image. |
| * |
| * @param[in] src_ptr Pointer to the source image. Supported Format: U8 |
| * @param[in] src_stride_x Stride of the source image in X dimension (in bytes) |
| * @param[in] src_step_x src_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] src_stride_y Stride of the source image in Y dimension (in bytes) |
| * @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes) |
| * @param[in] src_offset_first_element_in_bytes The offset of the first element in the source image |
| * @param[out] dst_ptr Pointer to the destination image. Supported Format: U8 |
| * @param[in] dst_stride_x Stride of the destination image in X dimension (in bytes) |
| * @param[in] dst_step_x dst_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] dst_stride_y Stride of the destination image in Y dimension (in bytes) |
| * @param[in] dst_step_y dst_stride_y * number of elements along Y processed per workitem(in bytes) |
| * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination image |
| */ |
| __kernel void copy_plane( |
| IMAGE_DECLARATION(src), |
| IMAGE_DECLARATION(dst)) |
| { |
| // Get pixels pointer |
| Image src = CONVERT_TO_IMAGE_STRUCT(src); |
| Image dst = CONVERT_TO_IMAGE_STRUCT(dst); |
| |
| // Copy plane data |
| vstore8(vload8(0, src.ptr), 0, dst.ptr); |
| } |