Make ENABLE_IM_FONT_ATLAS_SNAPSHOT CMake option

Signed-off-by: Isaac Marovitz <isaacryu@icloud.com>

UnleashedRecomp/CMakeLists.txt

@@ -8,6 +8,11 @@ if (CMAKE_SYSTEM_NAME MATCHES "Linux")
     option(UNLEASHED_RECOMP_FLATPAK "Configure the build for Flatpak compatibility." OFF)
 endif()
 
+# Undefine this to generate a font atlas file in working directory.
+# You also need to do this if you are testing localization, as only
+# characters in the locale get added to the atlas.
+option(ENABLE_IM_FONT_ATLAS_SNAPSHOT "Use font atlas snapshot instead of generating one." ON)
+
 function(BIN2C)
     cmake_parse_arguments(BIN2C_ARGS "" "TARGET_OBJ;SOURCE_FILE;DEST_FILE;ARRAY_NAME;COMPRESSION_TYPE" "" ${ARGN})
 
@@ -317,6 +322,10 @@ if (CMAKE_SYSTEM_NAME MATCHES "Linux")
     target_compile_definitions(UnleashedRecomp PRIVATE SDL_VULKAN_ENABLED)
 endif()
 
+if (ENABLE_IM_FONT_ATLAS_SNAPSHOT)
+    target_compile_definitions(UnleashedRecomp PRIVATE -DENABLE_IM_FONT_ATLAS_SNAPSHOT)
+else()
+
 find_package(directx-dxc REQUIRED)
 find_package(CURL REQUIRED)
 
@@ -357,7 +366,6 @@ endif()
 target_link_libraries(UnleashedRecomp PRIVATE
     fmt::fmt
     libzstd_static
-    msdf-atlas-gen::msdf-atlas-gen
     nfd::nfd
     o1heap
     XenonUtils
@@ -369,6 +377,12 @@ target_link_libraries(UnleashedRecomp PRIVATE
     CURL::libcurl
 )
 
+if (NOT ENABLE_IM_FONT_ATLAS_SNAPSHOT)
+    target_link_libraries(UnleashedRecomp PRIVATE
+        msdf-atlas-gen::msdf-atlas-gen
+    )
+endif()
+
 target_include_directories(UnleashedRecomp PRIVATE
     ${CMAKE_CURRENT_SOURCE_DIR}
     "${CMAKE_CURRENT_SOURCE_DIR}/api"

UnleashedRecomp/gpu/imgui/imgui_font_builder.cpp

@@ -1,5 +1,7 @@
 #include "imgui_font_builder.h"
 
+#ifndef ENABLE_IM_FONT_ATLAS_SNAPSHOT
+
 #include <msdf-atlas-gen/msdf-atlas-gen.h>
 
 // Taken directly from msdf-atlas-gen, modified to support custom rectangles.
@@ -321,3 +323,5 @@ static bool FontBuilder_Build(ImFontAtlas* atlas)
 }
 
 ImFontBuilderIO g_fontBuilderIO = { FontBuilder_Build };
+
+#endif

UnleashedRecomp/gpu/imgui/imgui_snapshot.h

@@ -1,10 +1,5 @@
 #pragma once
 
-// Undefine this to generate a font atlas file in working directory.
-// You also need to do this if you are testing localization, as only
-// characters in the locale get added to the atlas.
-#define ENABLE_IM_FONT_ATLAS_SNAPSHOT
-
 struct ImFontAtlasSnapshot
 {
     std::vector<uint8_t> data;