ipa: Move vimc to a subdirectory

Give a subdirectory to all IPA modules to make the structure of the
source tree more consistent. This will also simplify the implementation
of IPA module selection at build time.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>

src/ipa/meson.build

@@ -1,8 +1,3 @@
-ipa_vimc_sources = [
-    ['ipa_vimc',         'LGPL-2.1-or-later'],
-    ['ipa_vimc_isolate', 'Proprietary'],
-]
-
 ipa_install_dir = join_paths(get_option('libdir'), 'libcamera')
 
 ipa_includes = [
@@ -10,20 +5,9 @@ ipa_includes = [
     libcamera_internal_includes,
 ]
 
-subdir('libipa')
-
-foreach t : ipa_vimc_sources
-    ipa = shared_module(t[0], 'ipa_vimc.cpp',
-                        name_prefix : '',
-                        include_directories : ipa_includes,
-                        dependencies : libcamera_dep,
-                        link_with : libipa,
-                        install : true,
-                        install_dir : ipa_install_dir,
-                        cpp_args : '-DLICENSE="' + t[1] + '"')
-endforeach
-
 config_h.set('IPA_MODULE_DIR',
              '"' + join_paths(get_option('prefix'), ipa_install_dir) + '"')
 
+subdir('libipa')
 subdir('rkisp1')
+subdir('vimc')

src/ipa/vimc/meson.build

@@ -0,0 +1,15 @@
+ipa_vimc_sources = [
+    ['ipa_vimc',         'LGPL-2.1-or-later'],
+    ['ipa_vimc_isolate', 'Proprietary'],
+]
+
+foreach t : ipa_vimc_sources
+    ipa = shared_module(t[0], 'vimc.cpp',
+                        name_prefix : '',
+                        include_directories : [ipa_includes, libipa_includes],
+                        dependencies : libcamera_dep,
+                        link_with : libipa,
+                        install : true,
+                        install_dir : ipa_install_dir,
+                        cpp_args : '-DLICENSE="' + t[1] + '"')
+endforeach

src/ipa/vimc/vimc.cpp

@@ -17,7 +17,7 @@
 #include <ipa/ipa_interface.h>
 #include <ipa/ipa_module_info.h>
 
-#include "libipa/ipa_interface_wrapper.h"
+#include <libipa/ipa_interface_wrapper.h>
 
 #include "log.h"