[cmake] Build presets and System profiles

- Build Preset (Linux only): enables arch optimizations, e.g. generic,
  v3, zen2/4, armv8, armv9
- System Profiles: currently only steamdeck, uses an older sdl commit to
  fix virtual gamepad bug

Signed-off-by: crueter <crueter@eden-emu.dev>

.ci/linux/build.sh

@@ -3,42 +3,48 @@
 # SPDX-FileCopyrightText: 2025 eden Emulator Project
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-
 case "$1" in
 amd64 | "")
     echo "Making amd64-v3 optimized build of Eden"
     ARCH="amd64_v3"
     ARCH_FLAGS="-march=x86-64-v3"
+    export EXTRA_CMAKE_FLAGS=(-DYUZU_BUILD_PRESET=v3)
     ;;
 steamdeck | zen2)
     echo "Making Steam Deck (Zen 2) optimized build of Eden"
     ARCH="steamdeck"
     ARCH_FLAGS="-march=znver2 -mtune=znver2"
+    export EXTRA_CMAKE_FLAGS=(-DYUZU_BUILD_PRESET=zen2 -DYUZU_SYSTEM_PROFILE=steamdeck)
     ;;
 rog-ally | allyx | zen4)
     echo "Making ROG Ally X (Zen 4) optimized build of Eden"
     ARCH="rog-ally-x"
     ARCH_FLAGS="-march=znver4 -mtune=znver4"
+    export EXTRA_CMAKE_FLAGS=(-DYUZU_BUILD_PRESET=zen2 -DYUZU_SYSTEM_PROFILE=steamdeck)
     ;;
 legacy)
     echo "Making amd64 generic build of Eden"
     ARCH=amd64
     ARCH_FLAGS="-march=x86-64 -mtune=generic"
+    export EXTRA_CMAKE_FLAGS=(-DYUZU_BUILD_PRESET=generic)
     ;;
 aarch64)
     echo "Making armv8-a build of Eden"
     ARCH=aarch64
     ARCH_FLAGS="-march=armv8-a -mtune=generic -w"
+    export EXTRA_CMAKE_FLAGS=(-DYUZU_BUILD_PRESET=generic)
     ;;
 armv9)
     echo "Making armv9-a build of Eden"
     ARCH=armv9
     ARCH_FLAGS="-march=armv9-a -mtune=generic -w"
+    export EXTRA_CMAKE_FLAGS=(-DYUZU_BUILD_PRESET=armv9)
     ;;
 native)
     echo "Making native build of Eden"
     ARCH="$(uname -m)"
     ARCH_FLAGS="-march=native -mtune=native"
+    export EXTRA_CMAKE_FLAGS=(-DYUZU_BUILD_PRESET=native)
     ;;
 *)
     echo "Invalid target $1 specified, must be one of native, amd64, steamdeck, zen2, allyx, rog-ally, zen4, legacy, aarch64, armv9"
@@ -55,10 +61,10 @@ fi
 if [ "$1" != "" ]; then shift; fi
 
 if [ "$TARGET" = "appimage" ]; then
-    export EXTRA_CMAKE_FLAGS=(-DCMAKE_INSTALL_PREFIX=/usr -DYUZU_ROOM=ON -DYUZU_ROOM_STANDALONE=OFF -DYUZU_CMD=OFF)
+    export EXTRA_CMAKE_FLAGS=("${EXTRA_CMAKE_FLAGS[@]}" -DCMAKE_INSTALL_PREFIX=/usr -DYUZU_ROOM=ON -DYUZU_ROOM_STANDALONE=OFF -DYUZU_CMD=OFF)
 else
     # For the linux-fresh verification target, verify compilation without PCH as well.
-    export EXTRA_CMAKE_FLAGS=(-DYUZU_USE_PRECOMPILED_HEADERS=OFF)
+    export EXTRA_CMAKE_FLAGS=("${EXTRA_CMAKE_FLAGS[@]}" -DYUZU_USE_PRECOMPILED_HEADERS=OFF)
 fi
 
 if [ "$DEVEL" != "true" ]; then

.ci/linux/package.sh

@@ -92,7 +92,6 @@ chmod +x ./sharun-aio
 xvfb-run -a ./sharun-aio l -p -v -e -s -k \
 	../$BUILDDIR/bin/eden* \
 	$LIBDIR/lib*GL*.so* \
-  $LIBDIR/libSDL2*.so* \
 	$LIBDIR/dri/* \
 	$LIBDIR/vdpau/* \
 	$LIBDIR/libvulkan* \

.gitmodules

@@ -16,9 +16,6 @@
 [submodule "opus"]
 	path = externals/opus
 	url = https://github.com/xiph/opus.git
-[submodule "SDL"]
-	path = externals/SDL
-	url = https://github.com/libsdl-org/SDL.git
 [submodule "cpp-httplib"]
 	path = externals/cpp-httplib
 	url = https://github.com/yhirose/cpp-httplib.git

CMakeLists.txt

@@ -332,6 +332,41 @@ if (YUZU_ROOM)
     add_definitions(-DYUZU_ROOM)
 endif()
 
+# Build/optimization presets
+if (${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
+    if (ARCHITECTURE_x86_64)
+        set(YUZU_BUILD_PRESET "generic" CACHE STRING "Build preset to use. One of: generic, v3, zen2, zen4, native")
+        if (${YUZU_BUILD_PRESET} STREQUAL "generic")
+            set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=x86-64 -mtune=generic")
+            set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=x86-64 -mtune=generic")
+        elseif (${YUZU_BUILD_PRESET} STREQUAL "v3")
+            set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=x86-64-v3 -mtune=generic")
+            set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=x86-64-v3 -mtune=generic")
+        elseif (${YUZU_BUILD_PRESET} STREQUAL "zen2")
+            set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=znver2 -mtune=znver2")
+            set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=znver2 -mtune=znver2")
+        elseif (${YUZU_BUILD_PRESET} STREQUAL "zen4")
+            set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=znver4 -mtune=znver4")
+            set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=znver4 -mtune=znver4")
+        elseif (${YUZU_BUILD_PRESET} STREQUAL "native")
+            set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=native -mtune=native")
+            set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=native -mtune=native")
+        endif()
+    elseif(ARCHITECTURE_arm64)
+        set(YUZU_BUILD_PRESET "generic" CACHE STRING "Build preset to use. One of: generic, armv9")
+        if (${YUZU_BUILD_PRESET} STREQUAL "generic")
+            set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=armv8-a -mtune=generic")
+            set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=armv8-a -mtune=generic")
+        elseif (${YUZU_BUILD_PRESET} STREQUAL "armv9")
+            set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=armv9-a -mtune=generic")
+            set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=armv9-a -mtune=generic")
+        endif()
+    endif()
+endif()
+
+# Other presets, e.g. steamdeck
+set(YUZU_SYSTEM_PROFILE "generic" CACHE STRING "CMake and Externals profile to use. One of: generic, steamdeck")
+
 # Configure C++ standard
 # ===========================
 
@@ -420,6 +455,7 @@ if (CMAKE_SYSTEM_NAME STREQUAL "Linux" OR ANDROID)
 endif()
 
 # find SDL2 exports a bunch of variables that are needed, so its easier to do this outside of the YUZU_find_package
+# TODO(crueter): combine this all with CPM.
 if (ENABLE_SDL2)
     if (YUZU_USE_BUNDLED_SDL2)
         # Detect toolchain and platform

externals/CMakeLists.txt

@@ -83,7 +83,18 @@ if (YUZU_USE_EXTERNAL_SDL2)
         set(SDL_FILE ON)
     endif()
 
-    add_subdirectory(SDL)
+    include(CPM)
+    set(CPM_SOURCE_CACHE ${CMAKE_SOURCE_DIR}/.cache/cpm)
+    set(CPM_USE_LOCAL_PACKAGES OFF)
+
+    if ("${YUZU_SYSTEM_PROFILE}" STREQUAL "steamdeck")
+        set(SDL_HASH cc016b0046)
+        set(SDL_PIPEWIRE OFF) # build errors out with this on
+    else()
+        set(SDL_HASH 2e4c12cd2c)
+    endif()
+
+    CPMAddPackage("gh:libsdl-org/SDL#${SDL_HASH}")
 endif()
 
 # ENet

externals/SDL

@@ -1 +0,0 @@
-Subproject commit 2e4c12cd2cb2c5d0b60ef2196b400339591e733c