kc3-lang/angle/src/libANGLE/cl_utils.h

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• Hash : 9fee9156
  Author :
  Date : 2024-01-18T13:50:38
  

  OpenCL/Vulkan: Add initial CL Kernel routines
  
  Enables the following OpenCL APIs for Vulkan Backend:
    clCreateKernel
    clCreateKernels
    clSetKernelArg
  
  Bug: angleproject:8572
  Change-Id: Iaaabd295d7951a48bf9bd6717ed3957960052dbd
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5341376
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
  Commit-Queue: Austin Annestrand <a.annestrand@samsung.com>
  

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• src/libANGLE/cl_utils.h

• //
  // Copyright 2021 The ANGLE Project Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  //
  // cl_utils.h: Helper functions for the CL front end
  
  #ifndef LIBANGLE_CL_UTILS_H_
  #define LIBANGLE_CL_UTILS_H_
  
  #include "libANGLE/renderer/cl_types.h"
  
  #define ANGLE_CL_SET_ERROR(error) cl::gClErrorTls = error
  
  #define ANGLE_CL_RETURN_ERROR(error) \
      do                               \
      {                                \
          cl::gClErrorTls = error;     \
          return angle::Result::Stop;  \
      } while (0)
  
  #define ANGLE_CL_TRY(expression)                           \
      do                                                     \
      {                                                      \
          const cl_int ANGLE_LOCAL_VAR = expression;         \
          if (ANGLE_UNLIKELY(ANGLE_LOCAL_VAR != CL_SUCCESS)) \
          {                                                  \
              ANGLE_CL_RETURN_ERROR(ANGLE_LOCAL_VAR);        \
          }                                                  \
      } while (0)
  
  #define ANGLE_CL_IMPL_TRY(EXPR) ANGLE_TRY_TEMPLATE(EXPR, (void))
  #define ANGLE_CL_IMPL_TRY_ERROR(EXPR, ERROR) \
      ANGLE_TRY_TEMPLATE(EXPR, ANGLE_CL_RETURN_ERROR(ERROR); (void))
  
  namespace cl
  {
  
  size_t GetChannelCount(cl_channel_order channelOrder);
  
  size_t GetElementSize(const cl_image_format &image_format);
  
  inline bool OverlapRegions(size_t offset1, size_t offset2, size_t size)
  {
      // From https://www.khronos.org/registry/OpenCL/specs/3.0-unified/html/OpenCL_API.html
      // The regions overlap if src_offset <= dst_offset <= src_offset + size - 1
      // or if dst_offset <= src_offset <= dst_offset + size - 1.
      return (offset1 <= offset2 && offset2 <= offset1 + size - 1u) ||
             (offset2 <= offset1 && offset1 <= offset2 + size - 1u);
  }
  
  bool IsValidImageFormat(const cl_image_format *imageFormat, const rx::CLExtensions &extensions);
  
  extern thread_local cl_int gClErrorTls;
  
  }  // namespace cl
  
  #endif  // LIBANGLE_CL_UTILS_H_
  

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