[build] Add options to disable dxgi/d3d* build

meson_options.txt

@@ -1 +1,4 @@
 option('enable_tests', type : 'boolean', value : false)
+option('enable_dxgi',  type : 'boolean', value : true, description: 'Build DXGI')
+option('enable_d3d10', type : 'boolean', value : true, description: 'Build D3D10')
+option('enable_d3d11', type : 'boolean', value : true, description: 'Build D3D11')

src/d3d11/meson.build

@@ -1,5 +1,10 @@
 d3d11_res = wrc_generator.process('version.rc')
 
+dxgi_shaders = files([
+  '../dxgi/shaders/dxgi_presenter_frag.frag',
+  '../dxgi/shaders/dxgi_presenter_vert.vert',
+])
+
 dxgi_common_src = [
   '../dxgi/dxgi_format.cpp',
   '../dxgi/dxgi_monitor.cpp',

src/dxgi/meson.build

@@ -1,10 +1,5 @@
 dxgi_res = wrc_generator.process('version.rc')
 
-dxgi_shaders = files([
-  'shaders/dxgi_presenter_frag.frag',
-  'shaders/dxgi_presenter_vert.vert',
-])
-
 dxgi_src = [
   'dxgi_adapter.cpp',
   'dxgi_enums.cpp',

src/meson.build

@@ -2,7 +2,30 @@ subdir('util')
 subdir('spirv')
 subdir('vulkan')
 subdir('dxvk')
-subdir('dxgi')
-subdir('dxbc')
-subdir('d3d11')
-subdir('d3d10')
+
+if get_option('enable_dxgi')
+  if not get_option('enable_d3d10') and not get_option('enable_d3d11')
+    error('D3D10 and/or D3D11 required for DXGI to properly functionning.')
+  endif
+  subdir('dxgi')
+endif
+
+if get_option('enable_d3d10') or get_option('enable_d3d11') or get_option('enable_tests')
+  subdir('dxbc')
+endif
+
+if get_option('enable_d3d11')
+  subdir('d3d11')
+endif
+
+if get_option('enable_d3d10')
+  if not get_option('enable_d3d11')
+    error('D3D11 required for D3D10 to properly functionning.')
+  endif
+  subdir('d3d10')
+endif
+
+# Nothing selected
+if not get_option('enable_d3d10') and not get_option('enable_d3d11') and not get_option('enable_tests')
+  error('Nothing selected to be built. Please, enable at least D3D11 or TESTS.')
+endif