1 // 2 // Copyright 2021 The ANGLE Project Authors. All rights reserved. 3 // Use of this source code is governed by a BSD-style license that can be 4 // found in the LICENSE file. 5 // 6 // cl_utils.h: Helper functions for the CL front end 7 8 #ifndef LIBANGLE_CL_UTILS_H_ 9 #define LIBANGLE_CL_UTILS_H_ 10 11 #include "libANGLE/renderer/cl_types.h" 12 13 #define ANGLE_CL_SET_ERROR(error) cl::gClErrorTls = error 14 15 #define ANGLE_CL_RETURN_ERROR(error) \ 16 do \ 17 { \ 18 cl::gClErrorTls = error; \ 19 return angle::Result::Stop; \ 20 } while (0) 21 22 #define ANGLE_CL_TRY(expression) \ 23 do \ 24 { \ 25 const cl_int ANGLE_LOCAL_VAR = expression; \ 26 if (ANGLE_UNLIKELY(ANGLE_LOCAL_VAR != CL_SUCCESS)) \ 27 { \ 28 ANGLE_CL_RETURN_ERROR(ANGLE_LOCAL_VAR); \ 29 } \ 30 } while (0) 31 32 #define ANGLE_CL_IMPL_TRY(EXPR) ANGLE_TRY_TEMPLATE(EXPR, (void)) 33 #define ANGLE_CL_IMPL_TRY_ERROR(EXPR, ERROR) \ 34 ANGLE_TRY_TEMPLATE(EXPR, ANGLE_CL_RETURN_ERROR(ERROR); (void)) 35 36 namespace cl 37 { 38 39 size_t GetChannelCount(cl_channel_order channelOrder); 40 41 size_t GetElementSize(const cl_image_format &image_format); 42 OverlapRegions(size_t offset1,size_t offset2,size_t size)43inline bool OverlapRegions(size_t offset1, size_t offset2, size_t size) 44 { 45 // From https://www.khronos.org/registry/OpenCL/specs/3.0-unified/html/OpenCL_API.html 46 // The regions overlap if src_offset <= dst_offset <= src_offset + size - 1 47 // or if dst_offset <= src_offset <= dst_offset + size - 1. 48 return (offset1 <= offset2 && offset2 <= offset1 + size - 1u) || 49 (offset2 <= offset1 && offset1 <= offset2 + size - 1u); 50 } 51 52 bool IsValidImageFormat(const cl_image_format *imageFormat, const rx::CLExtensions &extensions); 53 54 extern thread_local cl_int gClErrorTls; 55 56 } // namespace cl 57 58 #endif // LIBANGLE_CL_UTILS_H_ 59