[libsquish] Add new port (#6038)

* Add libsquish port

* Populate CONTROL

* Fix version field

* Fix exporting symbols for Windows

* Fix typo

3 files changed, 141 insertions, 0 deletions

diff --git a/ports/libsquish/CONTROL b/ports/libsquish/CONTROL
new file mode 100644
index 000000000..9cc2e5097
--- /dev/null
+++ b/ports/libsquish/CONTROL
@@ -0,0 +1,3 @@
+Source: libsquish

+Version: 1.15

+Description: Open source DXT compression library.

diff --git a/ports/libsquish/fix-export-symbols.patch b/ports/libsquish/fix-export-symbols.patch
new file mode 100644
index 000000000..febf2eb51
--- /dev/null
+++ b/ports/libsquish/fix-export-symbols.patch
@@ -0,0 +1,98 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index a36e574..a3ecdde 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -75,6 +75,13 @@ INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR})
+ 
+ ADD_LIBRARY(squish ${SQUISH_SRCS} ${SQUISH_HDRS})
+ 
++INCLUDE(GenerateExportHeader)
++GENERATE_EXPORT_HEADER(squish
++    EXPORT_FILE_NAME ${CMAKE_CURRENT_SOURCE_DIR}/squish_export.h
++    )
++
++list(APPEND SQUISH_HDRS "squish_export.h")
++
+ SET_TARGET_PROPERTIES(
+     squish PROPERTIES
+     PUBLIC_HEADER "${SQUISH_HDRS}"
+@@ -109,9 +116,12 @@ IF (BUILD_SQUISH_EXTRA)
+     ENDIF (PNG_FOUND)
+ ENDIF (BUILD_SQUISH_EXTRA)
+ 
++INCLUDE(GNUInstallDirs)
++
+ INSTALL(
+     TARGETS squish
+-    LIBRARY DESTINATION lib
+-    ARCHIVE DESTINATION lib
+-    PUBLIC_HEADER DESTINATION include
++    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
++    ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
++    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
++    PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
+     )
+diff --git a/squish.h b/squish.h
+index 14c9bb5..aaffbb2 100644
+--- a/squish.h
++++ b/squish.h
+@@ -26,6 +26,8 @@
+ #ifndef SQUISH_H
+ #define SQUISH_H
+ 
++#include "squish_export.h"
++
+ //! All squish API functions live in this namespace.
+ namespace squish {
+ 
+@@ -176,7 +178,7 @@ inline void Compress( u8 const* rgba, void* block, int flags, float* metric = 0
+     however, DXT1 will be used by default if none is specified. All other flags
+     are ignored.
+ */
+-void Decompress( u8* rgba, void const* block, int flags );
++SQUISH_EXPORT void Decompress( u8* rgba, void const* block, int flags );
+ 
+ // -----------------------------------------------------------------------------
+ 
+@@ -194,7 +196,7 @@ void Decompress( u8* rgba, void const* block, int flags );
+     function supports arbitrary size images by allowing the outer blocks to
+     be only partially used.
+ */
+-int GetStorageRequirements( int width, int height, int flags );
++SQUISH_EXPORT int GetStorageRequirements( int width, int height, int flags );
+ 
+ // -----------------------------------------------------------------------------
+ 
+@@ -249,8 +251,8 @@ int GetStorageRequirements( int width, int height, int flags );
+     Windows platform but for other platforms like MacOS X a different
+     gamma value may be more suitable.
+ */
+-void CompressImage( u8 const* rgba, int width, int height, int pitch, void* blocks, int flags, float* metric = 0 );
+-void CompressImage( u8 const* rgba, int width, int height, void* blocks, int flags, float* metric = 0 );
++SQUISH_EXPORT void CompressImage( u8 const* rgba, int width, int height, int pitch, void* blocks, int flags, float* metric = 0 );
++SQUISH_EXPORT void CompressImage( u8 const* rgba, int width, int height, void* blocks, int flags, float* metric = 0 );
+ 
+ // -----------------------------------------------------------------------------
+ 
+@@ -274,8 +276,8 @@ void CompressImage( u8 const* rgba, int width, int height, void* blocks, int fla
+ 
+     Internally this function calls squish::Decompress for each block.
+ */
+-void DecompressImage( u8* rgba, int width, int height, int pitch, void const* blocks, int flags );
+-void DecompressImage( u8* rgba, int width, int height, void const* blocks, int flags );
++SQUISH_EXPORT void DecompressImage( u8* rgba, int width, int height, int pitch, void const* blocks, int flags );
++SQUISH_EXPORT void DecompressImage( u8* rgba, int width, int height, void const* blocks, int flags );
+ 
+ // -----------------------------------------------------------------------------
+ 
+@@ -299,8 +301,8 @@ void DecompressImage( u8* rgba, int width, int height, void const* blocks, int f
+ 
+     Internally this function calls squish::Decompress for each block.
+ */
+-void ComputeMSE(u8 const *rgba, int width, int height, int pitch, u8 const *dxt, int flags, double &colourMSE, double &alphaMSE);
+-void ComputeMSE(u8 const *rgba, int width, int height, u8 const *dxt, int flags, double &colourMSE, double &alphaMSE);
++SQUISH_EXPORT void ComputeMSE(u8 const *rgba, int width, int height, int pitch, u8 const *dxt, int flags, double &colourMSE, double &alphaMSE);
++SQUISH_EXPORT void ComputeMSE(u8 const *rgba, int width, int height, u8 const *dxt, int flags, double &colourMSE, double &alphaMSE);
+ 
+ // -----------------------------------------------------------------------------
+ 
diff --git a/ports/libsquish/portfile.cmake b/ports/libsquish/portfile.cmake
new file mode 100644
index 000000000..dbebf9566
--- /dev/null
+++ b/ports/libsquish/portfile.cmake
@@ -0,0 +1,40 @@
+# Common Ambient Variables:

+#   CURRENT_BUILDTREES_DIR    = ${VCPKG_ROOT_DIR}\buildtrees\${PORT}

+#   CURRENT_PACKAGES_DIR      = ${VCPKG_ROOT_DIR}\packages\${PORT}_${TARGET_TRIPLET}

+#   CURRENT_PORT_DIR          = ${VCPKG_ROOT_DIR}\ports\${PORT}

+#   PORT                      = current port name (zlib, etc)

+#   TARGET_TRIPLET            = current triplet (x86-windows, x64-windows-static, etc)

+#   VCPKG_CRT_LINKAGE         = C runtime linkage type (static, dynamic)

+#   VCPKG_LIBRARY_LINKAGE     = target library linkage type (static, dynamic)

+#   VCPKG_ROOT_DIR            = <C:\path\to\current\vcpkg>

+#   VCPKG_TARGET_ARCHITECTURE = target architecture (x64, x86, arm)

+#

+

+include(vcpkg_common_functions)

+

+vcpkg_download_distfile(ARCHIVE

+    URLS "https://downloads.sourceforge.net/project/libsquish/libsquish-1.15.tgz"

+    FILENAME "libsquish-1.15.tgz"

+    SHA512 5b569b7023874c7a43063107e2e428ea19e6eb00de045a4a13fafe852ed5402093db4b65d540b5971ec2be0d21cb97dfad9161ebfe6cf6e5376174ff6c6c3e7a

+)

+

+vcpkg_extract_source_archive_ex(

+    OUT_SOURCE_PATH SOURCE_PATH

+    ARCHIVE ${ARCHIVE} 

+    NO_REMOVE_ONE_LEVEL

+    REF v1.15

+    PATCHES

+        fix-export-symbols.patch

+)

+

+vcpkg_configure_cmake(

+    SOURCE_PATH ${SOURCE_PATH}

+    PREFER_NINJA

+)

+

+vcpkg_install_cmake()

+

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

+

+file(COPY ${SOURCE_PATH}/LICENSE.txt DESTINATION ${CURRENT_PACKAGES_DIR}/share/libsquish)

+file(RENAME ${CURRENT_PACKAGES_DIR}/share/libsquish/LICENSE.txt ${CURRENT_PACKAGES_DIR}/share/libsquish/copyright)