impeller::YUVConversionDescriptorVKHash Struct Reference

#include <yuv_conversion_vk.h>

Public Member Functions
std::size_t	operator() (const YUVConversionDescriptorVK &object) const

Detailed Description

Definition at line 87 of file yuv_conversion_vk.h.

Member Function Documentation

operator()()

std::size_t impeller::YUVConversionDescriptorVKHash::operator()

(

const YUVConversionDescriptorVK &

object

)

const

Definition at line 49 of file yuv_conversion_vk.cc.

                                                 {
  // Hashers in Vulkan HPP hash the pNext member which isn't what we want for
  // these to be stable.
  const auto& conv = desc.get();
 
  std::size_t hash = fml::HashCombine(conv.format,                      //
                                      conv.ycbcrModel,                  //
                                      conv.ycbcrRange,                  //
                                      conv.components.r,                //
                                      conv.components.g,                //
                                      conv.components.b,                //
                                      conv.components.a,                //
                                      conv.xChromaOffset,               //
                                      conv.yChromaOffset,               //
                                      conv.chromaFilter,                //
                                      conv.forceExplicitReconstruction  //
  );
#if FML_OS_ANDROID
  const auto external_format = desc.get<vk::ExternalFormatANDROID>();
  fml::HashCombineSeed(hash, external_format.externalFormat);
#endif  // FML_OS_ANDROID
 
  return hash;
};

References fml::HashCombine(), and fml::HashCombineSeed().

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The documentation for this struct was generated from the following files:

• impeller/renderer/backend/vulkan/yuv_conversion_vk.h
• impeller/renderer/backend/vulkan/yuv_conversion_vk.cc