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 "common/PackedCLEnums_autogen.h" 12 #include "libANGLE/renderer/cl_types.h" 13 14 #define ANGLE_CL_SET_ERROR(error) cl::gClErrorTls = error 15 16 #define ANGLE_CL_RETURN_ERROR(error) \ 17 do \ 18 { \ 19 cl::gClErrorTls = error; \ 20 return angle::Result::Stop; \ 21 } while (0) 22 23 #define ANGLE_CL_TRY(expression) \ 24 do \ 25 { \ 26 const cl_int ANGLE_LOCAL_VAR = expression; \ 27 if (ANGLE_UNLIKELY(ANGLE_LOCAL_VAR != CL_SUCCESS)) \ 28 { \ 29 ANGLE_CL_RETURN_ERROR(ANGLE_LOCAL_VAR); \ 30 } \ 31 } while (0) 32 33 #define ANGLE_CL_IMPL_TRY(EXPR) ANGLE_TRY_TEMPLATE(EXPR, (void)) 34 #define ANGLE_CL_IMPL_TRY_ERROR(EXPR, ERROR) \ 35 ANGLE_TRY_TEMPLATE(EXPR, ANGLE_CL_RETURN_ERROR(ERROR); (void)) 36 37 namespace cl 38 { 39 40 size_t GetChannelCount(cl_channel_order channelOrder); 41 42 size_t GetElementSize(const cl_image_format &image_format); 43 OverlapRegions(size_t offset1,size_t offset2,size_t size)44inline bool OverlapRegions(size_t offset1, size_t offset2, size_t size) 45 { 46 // From https://www.khronos.org/registry/OpenCL/specs/3.0-unified/html/OpenCL_API.html 47 // The regions overlap if src_offset <= dst_offset <= src_offset + size - 1 48 // or if dst_offset <= src_offset <= dst_offset + size - 1. 49 return (offset1 <= offset2 && offset2 <= offset1 + size - 1u) || 50 (offset2 <= offset1 && offset1 <= offset2 + size - 1u); 51 } 52 53 bool IsValidImageFormat(const cl_image_format *imageFormat, const rx::CLExtensions &extensions); 54 55 bool IsImageType(cl::MemObjectType memObjectType); 56 bool IsBufferType(cl::MemObjectType memObjectType); 57 58 cl::Extents GetExtentFromDescriptor(cl::ImageDescriptor desc); 59 60 extern thread_local cl_int gClErrorTls; 61 62 } // namespace cl 63 64 #endif // LIBANGLE_CL_UTILS_H_ 65