100 lines
2.8 KiB
C++
100 lines
2.8 KiB
C++
#include <cstring>
|
|
|
|
namespace gli{
|
|
namespace detail
|
|
{
|
|
inline bool equalData(texture const & TextureA, texture const & TextureB)
|
|
{
|
|
GLI_ASSERT(TextureA.size() == TextureB.size());
|
|
|
|
if(TextureA.data() == TextureB.data())
|
|
return true;
|
|
|
|
for(texture::size_type LayerIndex = 0, LayerCount = TextureA.layers(); LayerIndex < LayerCount; ++LayerIndex)
|
|
for(texture::size_type FaceIndex = 0, FaceCount = TextureA.faces(); FaceIndex < FaceCount; ++FaceIndex)
|
|
for(texture::size_type LevelIndex = 0, LevelCount = TextureA.levels(); LevelIndex < LevelCount; ++LevelIndex)
|
|
{
|
|
void const* PointerA = TextureA.data(LayerIndex, FaceIndex, LevelIndex);
|
|
void const* PointerB = TextureB.data(LayerIndex, FaceIndex, LevelIndex);
|
|
if(std::memcmp(PointerA, PointerB, TextureA.size(LevelIndex)) != 0)
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
}//namespace detail
|
|
|
|
inline bool operator==(image const & ImageA, image const & ImageB)
|
|
{
|
|
if(!glm::all(glm::equal(ImageA.extent(), ImageB.extent())))
|
|
return false;
|
|
if(ImageA.size() != ImageB.size())
|
|
return false;
|
|
|
|
return std::memcmp(ImageA.data(), ImageB.data(), ImageA.size()) == 0;
|
|
}
|
|
|
|
inline bool operator!=(image const & ImageA, image const & ImageB)
|
|
{
|
|
if(!glm::all(glm::equal(ImageA.extent(), ImageB.extent())))
|
|
return true;
|
|
if(ImageA.size() != ImageB.size())
|
|
return true;
|
|
|
|
return std::memcmp(ImageA.data(), ImageB.data(), ImageA.size()) != 0;
|
|
}
|
|
|
|
inline bool equal(texture const & TextureA, texture const & TextureB)
|
|
{
|
|
if(TextureA.empty() && TextureB.empty())
|
|
return true;
|
|
if(TextureA.empty() != TextureB.empty())
|
|
return false;
|
|
if(TextureA.target() != TextureB.target())
|
|
return false;
|
|
if(TextureA.layers() != TextureB.layers())
|
|
return false;
|
|
if(TextureA.faces() != TextureB.faces())
|
|
return false;
|
|
if(TextureA.levels() != TextureB.levels())
|
|
return false;
|
|
if(TextureA.format() != TextureB.format())
|
|
return false;
|
|
if(TextureA.size() != TextureB.size())
|
|
return false;
|
|
|
|
return detail::equalData(TextureA, TextureB);
|
|
}
|
|
|
|
inline bool notEqual(texture const & TextureA, texture const & TextureB)
|
|
{
|
|
if(TextureA.empty() && TextureB.empty())
|
|
return false;
|
|
if(TextureA.empty() != TextureB.empty())
|
|
return true;
|
|
if(TextureA.target() != TextureB.target())
|
|
return true;
|
|
if(TextureA.layers() != TextureB.layers())
|
|
return true;
|
|
if(TextureA.faces() != TextureB.faces())
|
|
return true;
|
|
if(TextureA.levels() != TextureB.levels())
|
|
return true;
|
|
if(TextureA.format() != TextureB.format())
|
|
return true;
|
|
if(TextureA.size() != TextureB.size())
|
|
return true;
|
|
|
|
return !detail::equalData(TextureA, TextureB);
|
|
}
|
|
|
|
inline bool operator==(texture const & A, texture const & B)
|
|
{
|
|
return gli::equal(A, B);
|
|
}
|
|
|
|
inline bool operator!=(texture const & A, texture const & B)
|
|
{
|
|
return gli::notEqual(A, B);
|
|
}
|
|
}//namespace gli
|