c/util: Break out swapchain and sync into own library

src/xrt/compositor/CMakeLists.txt

@@ -17,6 +17,13 @@ spirv_shaders(SHADER_HEADERS
 
 set(CLIENT_SOURCE_FILES)
 
+set(UTIL_SOURCE_FILES
+	util/comp_swapchain.h
+	util/comp_swapchain.c
+	util/comp_sync.h
+	util/comp_sync.c
+	)
+
 set(MAIN_SOURCE_FILES
 	main/comp_compositor.c
 	main/comp_compositor.h
@@ -25,8 +32,6 @@ set(MAIN_SOURCE_FILES
 	main/comp_renderer.h
 	main/comp_settings.c
 	main/comp_settings.h
-	main/comp_swapchain.c
-	main/comp_sync.c
 	main/comp_target.h
 	main/comp_target_swapchain.c
 	main/comp_target_swapchain.h
@@ -113,6 +118,17 @@ if(XRT_HAVE_OPENGL AND XRT_HAVE_XLIB)
 endif()
 
 
+##
+# Util library
+#
+
+if(XRT_HAVE_VULKAN)
+	add_library(comp_util STATIC ${UTIL_SOURCE_FILES})
+	target_link_libraries(comp_util PUBLIC xrt-interfaces PRIVATE aux_util aux_os aux_vk)
+	target_include_directories(comp_util PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
+endif()
+
+
 ##
 # Main library
 #
@@ -208,7 +224,7 @@ if(XRT_FEATURE_COMPOSITOR_MAIN)
 	endif()
 
 	add_library(comp_main STATIC ${SHADER_HEADERS} ${MAIN_SOURCE_FILES})
-	target_link_libraries(comp_main PUBLIC xrt-interfaces PRIVATE aux_util aux_os aux_vk)
+	target_link_libraries(comp_main PUBLIC xrt-interfaces PRIVATE aux_util aux_os aux_vk comp_util)
 	target_include_directories(comp_main PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
 	target_include_directories(comp_main SYSTEM PRIVATE
 		# Shaders - marked SYSTEM so we get no warnings

src/xrt/compositor/main/comp_compositor.h

@@ -19,15 +19,16 @@
 
 #include "vk/vk_image_allocator.h"
 
-#include "main/comp_sync.h"
-#include "main/comp_settings.h"
-#include "main/comp_swapchain.h"
-#include "main/comp_window.h"
-#include "main/comp_renderer.h"
-#include "main/comp_target.h"
+#include "util/comp_sync.h"
+#include "util/comp_swapchain.h"
 
 #include "render/comp_render.h"
 
+#include "main/comp_target.h"
+#include "main/comp_window.h"
+#include "main/comp_settings.h"
+#include "main/comp_renderer.h"
+
 
 #ifdef __cplusplus
 extern "C" {

src/xrt/compositor/meson.build

@@ -20,8 +20,6 @@ compositor_srcs = [
 	'main/comp_renderer.h',
 	'main/comp_settings.c',
 	'main/comp_settings.h',
-	'main/comp_swapchain.c',
-	'main/comp_sync.c',
 	'main/comp_target.h',
 	'main/comp_target_swapchain.c',
 	'main/comp_target_swapchain.h',
@@ -39,6 +37,10 @@ compositor_srcs = [
 	'render/comp_resources.c',
 	'render/comp_shaders.c',
 	'render/comp_util.c',
+	'util/comp_swapchain.h',
+	'util/comp_swapchain.c',
+	'util/comp_sync.h',
+	'util/comp_sync.c',
 ]
 
 compile_args = []

src/xrt/compositor/util/comp_swapchain.c

@@ -13,7 +13,7 @@
 #include "util/u_misc.h"
 #include "util/u_handles.h"
 
-#include "main/comp_swapchain.h"
+#include "util/comp_swapchain.h"
 
 #include <stdio.h>
 #include <stdlib.h>

src/xrt/compositor/util/comp_sync.c

@@ -9,12 +9,12 @@
 
 #include "xrt/xrt_config_os.h"
 
-#include "main/comp_sync.h"
-
 #include "util/u_misc.h"
 #include "util/u_handles.h"
 #include "util/u_trace_marker.h"
 
+#include "util/comp_sync.h"
+
 #include <stdio.h>
 #include <stdlib.h>