Update vcpkg.

external/vcpkg/config/ports/sdl2/alsa-dep-fix.patch

@@ -0,0 +1,13 @@
+diff --git a/SDL2Config.cmake.in b/SDL2Config.cmake.in
+index cc8bcf26d..ead829767 100644
+--- a/SDL2Config.cmake.in
++++ b/SDL2Config.cmake.in
+@@ -35,7 +35,7 @@ include("${CMAKE_CURRENT_LIST_DIR}/sdlfind.cmake")
+
+ set(SDL_ALSA @SDL_ALSA@)
+ set(SDL_ALSA_SHARED @SDL_ALSA_SHARED@)
+-if(SDL_ALSA AND NOT SDL_ALSA_SHARED AND TARGET SDL2::SDL2-static)
++if(SDL_ALSA)
+   sdlFindALSA()
+ endif()
+ unset(SDL_ALSA)

external/vcpkg/config/ports/sdl2/portfile.cmake

@@ -2,11 +2,12 @@ vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO libsdl-org/SDL
     REF "release-${VERSION}"
-    SHA512 90858ae8c5fdddd5e13724e05ad0970e11bbab1df8a0201c3f4ce354dc6018e5d4ab7279402a263c716aacdaa52745f78531dc225d48d790ee9307e2f6198695
+    SHA512 d3cf7d356b79184dd211c9fbbfcb2a83d1acb68ee549ab82be109cd899039f18f0dbf3aedbf0800793c3a68580688014863b5d9bf79bcd366ff0e88252955e3c
     HEAD_REF main
     PATCHES
-        deps.patch
         disable-dynapi.patch
+        deps.patch
+        alsa-dep-fix.patch
 )
 
 string(COMPARE EQUAL "${VCPKG_LIBRARY_LINKAGE}" "static" SDL_STATIC)
@@ -15,11 +16,15 @@ string(COMPARE EQUAL "${VCPKG_CRT_LINKAGE}" "static" FORCE_STATIC_VCRT)
 
 vcpkg_check_features(OUT_FEATURE_OPTIONS FEATURE_OPTIONS
     FEATURES
+        alsa     SDL_ALSA
+        alsa     CMAKE_REQUIRE_FIND_PACKAGE_ALSA
+        ibus     SDL_IBUS
+        samplerate SDL_LIBSAMPLERATE
         vulkan   SDL_VULKAN
-        x11      SDL_X11
         wayland  SDL_WAYLAND
-        samplerate SDL_LIBSAMPLERATE
-        ibus     SDL_IBUS
+        x11      SDL_X11
+    INVERTED_FEATURES
+        alsa     CMAKE_DISABLE_FIND_PACKAGE_ALSA
 )
 
 if ("x11" IN_LIST FEATURES)
@@ -47,9 +52,11 @@ vcpkg_cmake_configure(
         -DSDL_TEST=OFF
         -DSDL_INSTALL_CMAKEDIR="cmake"
         -DCMAKE_DISABLE_FIND_PACKAGE_Git=ON
+        -DPKG_CONFIG_USE_CMAKE_PREFIX_PATH=ON
         -DSDL_LIBSAMPLERATE_SHARED=OFF
     MAYBE_UNUSED_VARIABLES
         SDL_FORCE_STATIC_VCRT
+        PKG_CONFIG_USE_CMAKE_PREFIX_PATH
 )
 
 vcpkg_cmake_install()

external/vcpkg/config/ports/sdl2/vcpkg.json

@@ -1,10 +1,16 @@
 {
   "name": "sdl2",
-  "version": "2.26.5",
+  "version": "2.28.5",
+  "port-version": 1,
   "description": "Simple DirectMedia Layer is a cross-platform development library designed to provide low level access to audio, keyboard, mouse, joystick, and graphics hardware via OpenGL and Direct3D.",
   "homepage": "https://www.libsdl.org/download-2.0.php",
   "license": "Zlib",
   "dependencies": [
+    {
+      "name": "dbus",
+      "default-features": false,
+      "platform": "linux"
+    },
     {
       "name": "vcpkg-cmake",
       "host": true
@@ -15,20 +21,25 @@
     }
   ],
   "default-features": [
-    "base"
+    {
+      "name": "ibus",
+      "platform": "linux"
+    },
+    {
+      "name": "wayland",
+      "platform": "linux"
+    },
+    {
+      "name": "x11",
+      "platform": "linux"
+    }
   ],
   "features": {
-    "base": {
-      "description": "Base functionality for SDL",
+    "alsa": {
+      "description": "Support for alsa audio",
       "dependencies": [
         {
-          "name": "sdl2",
-          "default-features": false,
-          "features": [
-            "ibus",
-            "wayland",
-            "x11"
-          ],
+          "name": "alsa",
           "platform": "linux"
         }
       ]