[KTX] Add port (#15336)

* [KTX] Add port

* Apply formatting

* Install bash for windows

* Attempt to fix bash root and osx build since I can't repro either

* Fix windows build

* Disable on x86 which is not supported, use vcpkg-supplied zstd headers

* Fixes

* Fix cut/paste error

* Update based on review comments

4 files changed, 127 insertions, 0 deletions

diff --git a/ports/ktx/0001-Use-vcpkg-zstd.patch b/ports/ktx/0001-Use-vcpkg-zstd.patch
new file mode 100644
index 000000000..9a39573bf
--- /dev/null
+++ b/ports/ktx/0001-Use-vcpkg-zstd.patch
@@ -0,0 +1,16 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index de38d5fe..1244ce55 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -283,9 +283,10 @@ macro(commom_lib_settings lib write )
+     endif()
+ 
+     if(WIN32)
++        find_package(zstd CONFIG REQUIRED)
+         target_link_libraries(
+             ${lib}
+-            ${CMAKE_CURRENT_SOURCE_DIR}/other_lib/win/Release-x64/zstd_static.lib
++            $<IF:$<TARGET_EXISTS:zstd::libzstd_shared>,zstd::libzstd_shared,zstd::libzstd_static>
+         )
+         # By wrapping in generator expression we force multi configuration generators (like Visual Studio)
+         # to take the exact path and not change it.
diff --git a/ports/ktx/0002-Fix-versioning.patch b/ports/ktx/0002-Fix-versioning.patch
new file mode 100644
index 000000000..1e5098806
--- /dev/null
+++ b/ports/ktx/0002-Fix-versioning.patch
@@ -0,0 +1,17 @@
+diff --git a/cmake/version.cmake b/cmake/version.cmake
+index 4094df1a..3b2af3bb 100644
+--- a/cmake/version.cmake
++++ b/cmake/version.cmake
+@@ -108,8 +108,10 @@ function(generate_version _var )
+     set(${_var} "${KTX_VERSION}" PARENT_SCOPE)
+ endfunction()
+ 
+-# Get latest tag
+-git_describe_raw(KTX_VERSION_FULL --abbrev=0 --match v[0-9]*)
++if (!KTX_VERSION_FULL)
++    # Get latest tag
++    git_describe_raw(KTX_VERSION_FULL --abbrev=0 --match v[0-9]*)
++endif()
+ #message("KTX full version: ${KTX_VERSION_FULL}")
+ 
+ # generate_version(TOKTX_VERSION tools/toktx)
diff --git a/ports/ktx/portfile.cmake b/ports/ktx/portfile.cmake
new file mode 100644
index 000000000..a4ef51f4f
--- /dev/null
+++ b/ports/ktx/portfile.cmake
@@ -0,0 +1,75 @@
+vcpkg_fail_port_install(ON_TARGET "UWP" ON_ARCH "x86")

+

+set(PORT_VERSION 4.0.0-beta5)

+

+vcpkg_from_github(

+    OUT_SOURCE_PATH SOURCE_PATH

+    REPO KhronosGroup/KTX-Software

+    REF v${PORT_VERSION}

+    SHA512 8c63be2a7c55b8fdb8c8aee1f7cacdc2105e54061691c69cddbd3bed49f8e907262cc3ae83dfd723e76f0911bd6c85f5bbc19347998988a1fc6ecae26bfecf33

+    HEAD_REF master

+    PATCHES

+        0001-Use-vcpkg-zstd.patch

+        0002-Fix-versioning.patch

+)

+

+if(VCPKG_TARGET_IS_WINDOWS)

+    vcpkg_acquire_msys(MSYS_ROOT

+        PACKAGES

+            bash

+        DIRECT_PACKAGES

+            # Required for "getopt"

+            "https://repo.msys2.org/msys/x86_64/util-linux-2.35.2-1-x86_64.pkg.tar.zst"

+            ff951c2cd96d0fda87bacb505c93e4aa1f9aeb35f829c52b5a7862d05e167f69605a4927a0e7197b5ee2b2fa5cb56619ad7a6ba293ede4765fdcacedf2ed35da

+        )

+    vcpkg_add_to_path(${MSYS_ROOT}/usr/bin)

+    

+    file(REMOVE

+        "${SOURCE_PATH}/other_include/zstd.h"

+        "${SOURCE_PATH}/other_include/zstd_errors.h")

+endif()

+

+string(COMPARE EQUAL "${VCPKG_LIBRARY_LINKAGE}" "static" ENABLE_STATIC)

+

+vcpkg_check_features(OUT_FEATURE_OPTIONS FEATURE_OPTIONS

+    tools KTX_FEATURE_TOOLS

+    vulkan KTX_FEATURE_VULKAN

+)

+

+vcpkg_configure_cmake(

+    SOURCE_PATH ${SOURCE_PATH}

+    PREFER_NINJA

+    OPTIONS

+        -DKTX_VERSION_FULL=v${PORT_VERSION}

+        -DKTX_FEATURE_TESTS=OFF

+        -DKTX_FEATURE_LOADTEST_APPS=OFF

+        -DKTX_FEATURE_STATIC_LIBRARY=${ENABLE_STATIC}

+        ${FEATURE_OPTIONS}

+)

+

+vcpkg_install_cmake()

+

+vcpkg_copy_pdbs()

+

+if(tools IN_LIST FEATURES)

+    vcpkg_copy_tools(

+        TOOL_NAMES

+            toktx

+            ktxsc

+            ktxinfo

+            ktx2ktx2

+            ktx2check

+        AUTO_CLEAN

+    )

+    vcpkg_copy_tool_dependencies(${CURRENT_PACKAGES_DIR}/tools/${PORT})

+endif()

+

+vcpkg_fixup_cmake_targets(CONFIG_PATH lib/cmake/ktx TARGET_PATH share/${PORT})

+

+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/debug/include")

+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/bin")

+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/debug/bin")

+

+configure_file("${SOURCE_PATH}/LICENSE.md" "${CURRENT_PACKAGES_DIR}/share/${PORT}/copyright" COPYONLY)

+file(GLOB LICENSE_FILES "${SOURCE_PATH}/LICENSES/*")

+file(COPY ${LICENSE_FILES} DESTINATION "${CURRENT_PACKAGES_DIR}/share/${PORT}/LICENSES")
\ No newline at end of file
diff --git a/ports/ktx/vcpkg.json b/ports/ktx/vcpkg.json
new file mode 100644
index 000000000..0e9be8732
--- /dev/null
+++ b/ports/ktx/vcpkg.json
@@ -0,0 +1,19 @@
+{
+  "name": "ktx",
+  "version-string": "4.0.0-beta5",
+  "port-version": 1,
+  "description": "A small library of functions for writing and reading KTX files, and instantiating OpenGL®, OpenGL ES™️ and Vulkan® textures from them",
+  "homepage": "https://github.com/KhronosGroup/KTX-Software",
+  "supports": "!(uwp | x86)",
+  "dependencies": [
+    "zstd"
+  ],
+  "features": {
+    "tools": {
+      "description": "Build tools"
+    },
+    "vulkan": {
+      "description": "Build Vulkan support"
+    }
+  }
+}