AnimatedWebPDecoder POC (#2426)

app/src/main/cpp/0001-Disable-runtime-detection-of-NEON-support.patch

@@ -0,0 +1,25 @@
+From 07931ec2f127ce2408690cc85399ca750ca12657 Mon Sep 17 00:00:00 2001
+From: FooIbar <118464521+FooIbar@users.noreply.github.com>
+Date: Thu, 19 Jun 2025 00:03:46 +0800
+Subject: [PATCH] Disable runtime detection of NEON support
+
+---
+ CMakeLists.txt | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index d7e8963f..9dda3bb1 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -181,7 +181,7 @@ endif()
+ 
+ # ##############################################################################
+ # Android only.
+-if(ANDROID)
++if(0)
+   include_directories(${ANDROID_NDK}/sources/android/cpufeatures)
+   add_library(cpufeatures-webp STATIC
+               ${ANDROID_NDK}/sources/android/cpufeatures/cpu-features.c)
+-- 
+2.45.2
+

app/src/main/cpp/CMakeLists.txt

@@ -109,6 +109,26 @@ FetchContent_Declare(
 FetchContent_MakeAvailable(libarchive)
 include_directories(${libarchive_SOURCE_DIR}/libarchive)
 
+set(LIBWEBP_PATCH ${CMAKE_CURRENT_LIST_DIR}/0001-Disable-runtime-detection-of-NEON-support.patch)
+FetchContent_Declare(
+        libwebp
+        GIT_REPOSITORY https://chromium.googlesource.com/webm/libwebp
+        GIT_TAG v1.5.0
+        GIT_SHALLOW 1
+        PATCH_COMMAND git apply --check -R ${LIBWEBP_PATCH} || git apply ${LIBWEBP_PATCH}
+)
+
+option(WEBP_BUILD_ANIM_UTILS OFF)
+option(WEBP_BUILD_CWEBP OFF)
+option(WEBP_BUILD_DWEBP OFF)
+option(WEBP_BUILD_VWEBP OFF)
+option(WEBP_BUILD_WEBPINFO OFF)
+option(WEBP_BUILD_LIBWEBPMUX OFF)
+option(WEBP_BUILD_EXTRAS OFF)
+option(WEBP_ENABLE_SWAP_16BIT_CSP ON)
+
+FetchContent_MakeAvailable(libwebp)
+
 FetchContent_Declare(
         Corrosion
         GIT_REPOSITORY https://github.com/corrosion-rs/corrosion.git
@@ -123,6 +143,7 @@ corrosion_import_crate(
         FEATURES $<IF:$<VERSION_GREATER_EQUAL:${ANDROID_NATIVE_API_LEVEL},26>,android-26,android>
         FLAGS $<$<NOT:$<CONFIG:Debug>>:-Z build-std=std,panic_abort -Z build-std-features=panic_immediate_abort>
 )
+corrosion_link_libraries(ehviewer_rust webp webpdemux)
 corrosion_add_target_local_rustflags(ehviewer_rust "-Clink-args=-Wl,-z,max-page-size=16384")
 
 # Build and link our app's native lib