Add opencv to cmake

.ci/build-freebsd.sh

@@ -27,6 +27,7 @@ CONFIGURE_ARGS="
 	-DUSE_SYSTEM_FFMPEG=ON
 	-DUSE_SYSTEM_CURL=ON
 	-DUSE_SYSTEM_LIBPNG=ON
+	-DUSE_SYSTEM_OPENCV=ON
 "
 
 # shellcheck disable=SC2086

.ci/build-linux-aarch64.sh

@@ -25,6 +25,7 @@ cmake ..                                               \
     -DUSE_SDL=ON                                       \
     -DUSE_SYSTEM_SDL=ON                                \
     -DUSE_SYSTEM_FFMPEG=OFF                            \
+    -DUSE_SYSTEM_OPENCV=ON                             \
     -DUSE_DISCORD_RPC=ON                               \
     -DOpenGL_GL_PREFERENCE=LEGACY                      \
     -DLLVM_DIR=/opt/llvm/lib/cmake/llvm                \

.ci/build-linux.sh

@@ -44,6 +44,7 @@ cmake ..                                               \
     -DUSE_SDL=ON                                       \
     -DUSE_SYSTEM_SDL=ON                                \
     -DUSE_SYSTEM_FFMPEG=OFF                            \
+    -DUSE_SYSTEM_OPENCV=ON                             \
     -DUSE_DISCORD_RPC=ON                               \
     -DOpenGL_GL_PREFERENCE=LEGACY                      \
     -DLLVM_DIR=/opt/llvm/lib/cmake/llvm                \

.ci/build-mac-arm64.sh

@@ -131,6 +131,7 @@ export MACOSX_DEPLOYMENT_TARGET=13.0
     -DUSE_SYSTEM_MVK=ON \
     -DUSE_SYSTEM_FAUDIO=OFF \
     -DUSE_SYSTEM_SDL=ON \
+    -DUSE_SYSTEM_OPENCV=ON \
     $CMAKE_EXTRA_OPTS \
     -DLLVM_TARGET_ARCH=arm64 \
     -DCMAKE_OSX_ARCHITECTURES=arm64 \

.ci/build-mac.sh

@@ -98,6 +98,7 @@ export MACOSX_DEPLOYMENT_TARGET=13.0
     -DUSE_SYSTEM_MVK=ON \
     -DUSE_SYSTEM_FAUDIO=OFF \
     -DUSE_SYSTEM_SDL=ON \
+    -DUSE_SYSTEM_OPENCV=ON \
     $CMAKE_EXTRA_OPTS \
     -DLLVM_TARGET_ARCH=X86_64 \
     -DCMAKE_OSX_ARCHITECTURES=x86_64 \

3rdparty/CMakeLists.txt

@@ -344,7 +344,7 @@ add_subdirectory(miniupnp EXCLUDE_FROM_ALL)
 add_subdirectory(rtmidi EXCLUDE_FROM_ALL)
 
 # OPENCV
-# TODO: add library and -DHAVE_OPENCV
+add_subdirectory(opencv EXCLUDE_FROM_ALL)
 
 # add nice ALIAS targets for ease of use
 if(USE_SYSTEM_LIBUSB)
@@ -376,3 +376,4 @@ add_library(3rdparty::soundtouch ALIAS soundtouch)
 add_library(3rdparty::sdl2 ALIAS ${SDL2_TARGET})
 add_library(3rdparty::miniupnpc ALIAS libminiupnpc-static)
 add_library(3rdparty::rtmidi ALIAS rtmidi)
+add_library(3rdparty::opencv ALIAS ${OPENCV_TARGET})

3rdparty/opencv/CMakeLists.txt

@@ -0,0 +1,21 @@
+# OpenCV
+
+set(OPENCV_TARGET 3rdparty_dummy_lib PARENT_SCOPE)
+
+if (USE_SYSTEM_OPENCV)
+	message(STATUS "RPCS3: using system OpenCV")
+	find_package(OpenCV)
+	
+	if(OPENCV_FOUND)
+		message(STATUS "RPCS3: found system OpenCV")
+		include_directories(${OpenCV_INCLUDE_DIRS})
+		add_library(3rdparty_opencv INTERFACE)
+		target_link_libraries(3rdparty_opencv INTERFACE ${OpenCV_LIBS})
+		target_compile_definitions(3rdparty_opencv INTERFACE -DHAVE_OPENCV)
+		set(OPENCV_TARGET 3rdparty_opencv PARENT_SCOPE)
+	else()
+		message(WARNING "RPCS3: OpenCV not found. Building without OpenCV support")
+	endif()
+else()
+	message(WARNING "RPCS3: Building without OpenCV support")
+endif()

CMakeLists.txt

@@ -29,6 +29,7 @@ option(USE_SYSTEM_SDL "Prefer system SDL instead of the builtin one" ON)
 option(USE_SYSTEM_FFMPEG "Prefer system ffmpeg instead of the prebuild one" OFF)
 option(USE_SYSTEM_OPENAL "Prefer system OpenAL instead of the prebuild one" ON)
 option(USE_SYSTEM_CURL "Prefer system Curl instead of the prebuild one" ON)
+option(USE_SYSTEM_OPENCV "Prefer system OpenCV instead of the builtin one" ON)
 
 set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/buildfiles/cmake")
 

CMakePresets.json

@@ -13,6 +13,7 @@
         "USE_SYSTEM_CURL": "OFF",
         "USE_SYSTEM_ZLIB": "OFF",
         "USE_SYSTEM_LIBPNG": "OFF",
+        "USE_SYSTEM_OPENCV": "ON",
         "BUILD_LLVM": "OFF",
         "STATIC_LINK_LLVM": "ON"
       }
@@ -29,6 +30,7 @@
         "USE_SYSTEM_CURL": "OFF",
         "USE_SYSTEM_ZLIB": "OFF",
         "USE_SYSTEM_LIBPNG": "OFF",
+        "USE_SYSTEM_OPENCV": "ON",
         "LLVM_ENABLE_LIBCXX": "ON",
         "BUILD_LLVM": "OFF",
         "STATIC_LINK_LLVM": "ON"
@@ -56,6 +58,7 @@
         "USE_SYSTEM_CURL": "OFF",
         "USE_SYSTEM_ZLIB": "OFF",
         "USE_SYSTEM_OPENAL": "OFF",
+        "USE_SYSTEM_OPENCV": "OFF",
         "BUILD_LLVM": "ON",
         "STATIC_LINK_LLVM": "ON"
       },

rpcs3/CMakeLists.txt

@@ -98,9 +98,19 @@ set_target_properties(rpcs3
         AUTOMOC ON
         AUTOUIC ON)
 
-target_link_libraries(rpcs3 PRIVATE rpcs3_emu rpcs3_ui)
-target_link_libraries(rpcs3 PRIVATE 3rdparty::discordRPC 3rdparty::qt6 3rdparty::hidapi 3rdparty::libusb 3rdparty::wolfssl 3rdparty::libcurl 3rdparty::zlib)
-target_link_libraries(rpcs3 PRIVATE ${ADDITIONAL_LIBS})
+target_link_libraries(rpcs3
+    PRIVATE
+        rpcs3_emu
+        rpcs3_ui
+        3rdparty::discordRPC
+        3rdparty::qt6
+        3rdparty::hidapi
+        3rdparty::libusb
+        3rdparty::wolfssl
+        3rdparty::libcurl
+        3rdparty::zlib
+        3rdparty::opencv
+        ${ADDITIONAL_LIBS})
 
 # Unix display manager
 if(X11_FOUND)

rpcs3/rpcs3qt/CMakeLists.txt

@@ -145,11 +145,13 @@ target_compile_definitions(rpcs3_ui PRIVATE WIN32_LEAN_AND_MEAN)
 
 target_link_libraries(rpcs3_ui
     PUBLIC
-        3rdparty::qt6 3rdparty::yaml-cpp
+        3rdparty::qt6
+        3rdparty::yaml-cpp
 
     PRIVATE
         rpcs3_emu
-        3rdparty::zlib 3rdparty::pugixml
+        3rdparty::zlib
+        3rdparty::pugixml
         3rdparty::discordRPC
         3rdparty::hidapi
         3rdparty::libusb
@@ -157,4 +159,5 @@ target_link_libraries(rpcs3_ui
         3rdparty::7zip
         3rdparty::wolfssl
         3rdparty::libcurl
+        3rdparty::opencv
         3rdparty::rtmidi)