1 /*
2 * Copyright (c) 2020 Arm Limited.
3 *
4 * SPDX-License-Identifier: MIT
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to
8 * deal in the Software without restriction, including without limitation the
9 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10 * sell copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in all
14 * copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22 * SOFTWARE.
23 */
24 #include "arm_compute/core/Error.h"
25 #include "arm_compute/core/Types.h"
26
27 #include "src/core/CL/CLUtils.h"
28
create_image2d_from_buffer(const cl::Context & ctx,const cl::Buffer & buffer,const TensorShape & shape2d,DataType data_type,size_t image_row_pitch)29 cl::Image2D arm_compute::create_image2d_from_buffer(const cl::Context &ctx, const cl::Buffer &buffer, const TensorShape &shape2d, DataType data_type, size_t image_row_pitch)
30 {
31 cl_channel_type cl_data_type;
32
33 switch(data_type)
34 {
35 case DataType::F32:
36 cl_data_type = CL_FLOAT;
37 break;
38 case DataType::F16:
39 cl_data_type = CL_HALF_FLOAT;
40 break;
41 default:
42 ARM_COMPUTE_ERROR("Data type not support with OpenCL image2d");
43 }
44
45 cl_mem cl_image;
46 cl_int err = CL_SUCCESS;
47
48 const cl_image_format format = { CL_RGBA, cl_data_type };
49
50 cl_image_desc desc;
51 memset(&desc, 0, sizeof(desc));
52 desc.image_type = CL_MEM_OBJECT_IMAGE2D;
53 desc.mem_object = buffer();
54 desc.image_row_pitch = image_row_pitch;
55 desc.image_width = shape2d[0];
56 desc.image_height = shape2d[1];
57
58 cl_image = clCreateImage(ctx(), CL_MEM_READ_ONLY, &format, &desc, nullptr, &err);
59
60 ARM_COMPUTE_UNUSED(err);
61 ARM_COMPUTE_ERROR_ON_MSG(err != CL_SUCCESS, "Error during the creation of CL image from buffer");
62
63 return cl::Image2D(cl_image);
64 }
65