| 60 | } |
| 61 | |
| 62 | cl::Image2D create_image2d_from_buffer(const cl::Context &ctx, |
| 63 | const cl::Buffer &buffer, |
| 64 | const TensorShape &shape2d, |
| 65 | DataType data_type, |
| 66 | size_t image_row_pitch, |
| 67 | CLImage2DType image_type) |
| 68 | { |
| 69 | ARM_COMPUTE_ERROR_ON_MSG(!image2d_from_buffer_supported(CLKernelLibrary::get().get_device()), |
| 70 | "The extension cl_khr_image2d_from_buffer is not supported on the target platform"); |
| 71 | ARM_COMPUTE_ERROR_ON_MSG(get_cl_image_pitch_alignment(CLKernelLibrary::get().get_device()) == 0, |
| 72 | "Impossible to retrieve the cl_image pitch alignment"); |
| 73 | ARM_COMPUTE_ERROR_ON_MSG(buffer.get() == nullptr, "Cannot create cl_image from empty cl_buffer"); |
| 74 | |
| 75 | cl_channel_type cl_data_type; |
| 76 | |
| 77 | switch (data_type) |
| 78 | { |
| 79 | case DataType::F32: |
| 80 | cl_data_type = CL_FLOAT; |
| 81 | break; |
| 82 | case DataType::F16: |
| 83 | cl_data_type = CL_HALF_FLOAT; |
| 84 | break; |
| 85 | default: |
| 86 | ARM_COMPUTE_ERROR("Data type not support with OpenCL image2d"); |
| 87 | } |
| 88 | |
| 89 | cl_mem cl_image; |
| 90 | cl_int err = CL_SUCCESS; |
| 91 | |
| 92 | const cl_image_format format = {CL_RGBA, cl_data_type}; |
| 93 | |
| 94 | cl_image_desc desc; |
| 95 | memset(&desc, 0, sizeof(desc)); |
| 96 | desc.image_type = CL_MEM_OBJECT_IMAGE2D; |
| 97 | desc.mem_object = buffer(); |
| 98 | desc.image_row_pitch = image_row_pitch; |
| 99 | desc.image_width = shape2d[0]; |
| 100 | desc.image_height = shape2d[1]; |
| 101 | |
| 102 | switch (image_type) |
| 103 | { |
| 104 | case CLImage2DType::ReadOnly: |
| 105 | cl_image = clCreateImage(ctx(), CL_MEM_READ_ONLY, &format, &desc, nullptr, &err); |
| 106 | break; |
| 107 | case CLImage2DType::WriteOnly: |
| 108 | cl_image = clCreateImage(ctx(), CL_MEM_WRITE_ONLY, &format, &desc, nullptr, &err); |
| 109 | break; |
| 110 | default: |
| 111 | ARM_COMPUTE_ERROR("Unsupported CLImage2DType"); |
| 112 | } |
| 113 | |
| 114 | ARM_COMPUTE_UNUSED(err); |
| 115 | ARM_COMPUTE_ERROR_ON_MSG(err != CL_SUCCESS, "Error during the creation of CL image from buffer"); |
| 116 | |
| 117 | return cl::Image2D(cl_image); |
| 118 | } |
| 119 |
no test coverage detected