Vk: recognize SamplerWrapping::MirrorClampToEdge.

It's a new extension in Vulkan 1.2.

doc/changelog.dox

@@ -193,6 +193,11 @@ See also:
 -   @ref magnum-imageconverter "magnum-imageconverter" has a new `--in-place`
     option for converting images in-place
 
+@subsubsection changelog-latest-changes-vk Vk library
+
+-   @ref Vk::hasVkSamplerAddressMode() and @ref Vk::vkSamplerAddressMode() now
+    recognizes @ref SamplerWrapping::MirrorClampToEdge
+
 @subsection changelog-latest-buildsystem Build system
 
 -   Fixed compilation of the @ref GL library on macOS with ANGLE --- new code

src/Magnum/Sampler.h

@@ -169,8 +169,8 @@ enum class SamplerWrapping: UnsignedInt {
      * Mirror the texture once in negative coordinates and clamp to
      * edge after that.
      *
-     * Corresponds to @ref GL::SamplerWrapping::MirrorClampToEdge. Not
-     * available on Vulkan.
+     * Corresponds to @ref GL::SamplerWrapping::MirrorClampToEdge. /
+     * @val_vk_keyword{SAMPLER_ADDRESS_MODE_MIRROR_CLAMP_TO_EDGE,SamplerAddressMode}.
      */
     MirrorClampToEdge
 };

src/Magnum/Vk/Enums.cpp

@@ -102,7 +102,7 @@ constexpr VkSamplerAddressMode SamplerAddressModeMapping[]{
     VK_SAMPLER_ADDRESS_MODE_MIRRORED_REPEAT,
     VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE,
     VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_BORDER,
-    VkSamplerAddressMode(~UnsignedInt{}),
+    VK_SAMPLER_ADDRESS_MODE_MIRROR_CLAMP_TO_EDGE,
 };
 
 }

src/Magnum/Vk/Enums.h

@@ -209,10 +209,8 @@ MAGNUM_VK_EXPORT VkSamplerMipmapMode vkSamplerMipmapMode(Magnum::SamplerMipmap m
 /**
 @brief Check availability of a generic sampler wrapping mode
 
-Some Vulkan targets don't support all generic sampler wrapping modes (for
-example the @ref SamplerWrapping::MirrorClampToEdge). Returns @cpp false @ce if
-current target can't support such format, @cpp true @ce otherwise. The
-@p wrapping value is expected to be valid.
+Returns @cpp false @ce if Vulkan doesn't support such wrapping, @cpp true @ce
+otherwise. The @p wrapping value is expected to be valid.
 
 @note Support of some formats depends on presence of a particular Vulkan
     extension. Such check is outside of the scope of this function and you are

src/Magnum/Vk/Test/EnumsTest.cpp

@@ -624,14 +624,16 @@ void EnumsTest::mapVkSamplerAddressModeUnsupported() {
     CORRADE_SKIP("CORRADE_NO_ASSERT defined, can't test assertions");
     #endif
 
+    #if 1
+    CORRADE_SKIP("All sampler address modes are supported.");
+    #else
     CORRADE_VERIFY(!hasVkSamplerAddressMode(Magnum::SamplerWrapping::MirrorClampToEdge));
     std::ostringstream out;
-    {
     Error redirectError{&out};
     vkSamplerAddressMode(Magnum::SamplerWrapping::MirrorClampToEdge);
-    }
     CORRADE_COMPARE(out.str(),
         "Vk::vkSamplerAddressMode(): unsupported wrapping SamplerWrapping::MirrorClampToEdge\n");
+    #endif
 }
 
 void EnumsTest::mapVkSamplerAddressModeInvalid() {