libobs-d3d12: Add d3d12 render empty implement

CMakeLists.txt

@@ -23,6 +23,7 @@ add_subdirectory(libobs)
 if(OS_WINDOWS)
   add_subdirectory(libobs-d3d11)
   add_subdirectory(libobs-winrt)
+  add_subdirectory(libobs-d3d12)
 endif()
 add_subdirectory(libobs-opengl)
 add_subdirectory(plugins)

libobs-d3d12/CMakeLists.txt

@@ -0,0 +1,26 @@
+cmake_minimum_required(VERSION 3.24...3.29)
+
+add_library(libobs-d3d12 MODULE)
+add_library(OBS::libobs-d3d12 ALIAS libobs-d3d12)
+
+target_sources(libobs-d3d12 PRIVATE d3d12-subsystem.cpp d3d12-subsystem.hpp)
+
+configure_file(cmake/windows/obs-module.rc.in libobs-d3d12.rc)
+target_sources(libobs-d3d12 PRIVATE libobs-d3d12.rc)
+
+target_compile_definitions(
+  libobs-d3d12
+  PRIVATE
+    $<$<BOOL:${GPU_PRIORITY_VAL}>:USE_GPU_PRIORITY>
+    "$<IF:$<BOOL:${GPU_PRIORITY_VAL}>,GPU_PRIORITY_VAL=${GPU_PRIORITY_VAL},GPU_PRIORITY_VAL=0>"
+)
+
+target_link_libraries(libobs-d3d12 PRIVATE OBS::libobs d3d12 dxgi)
+
+set_target_properties_obs(
+  libobs-d3d12
+  PROPERTIES FOLDER core
+             VERSION 0
+             SOVERSION ${OBS_VERSION_MAJOR}
+             COMPILE_WARNING_AS_ERROR FALSE
+)

libobs-d3d12/cmake/windows/obs-module.rc.in

@@ -0,0 +1,24 @@
+1 VERSIONINFO
+FILEVERSION ${OBS_VERSION_MAJOR},${OBS_VERSION_MINOR},${OBS_VERSION_PATCH},0
+BEGIN
+  BLOCK "StringFileInfo"
+  BEGIN
+    BLOCK "040904B0"
+    BEGIN
+      VALUE "CompanyName", "${OBS_COMPANY_NAME}"
+      VALUE "FileDescription", "OBS Library D3D11 wrapper"
+      VALUE "FileVersion", "${OBS_VERSION_CANONICAL}"
+      VALUE "ProductName", "${OBS_PRODUCT_NAME}"
+      VALUE "ProductVersion", "${OBS_VERSION_CANONICAL}"
+      VALUE "Comments", "${OBS_COMMENTS}"
+      VALUE "LegalCopyright", "${OBS_LEGAL_COPYRIGHT}"
+      VALUE "InternalName", "libobs-d3d12"
+      VALUE "OriginalFilename", "libobs-d3d12"
+    END
+  END
+
+  BLOCK "VarFileInfo"
+  BEGIN
+    VALUE "Translation", 0x0409, 0x04B0
+  END
+END