Major update in project structure:

The modules package is now itsself modular. Every subdirectory in modules/ builds its own submodule that can be individually switched on and off. Therefore each submodule needs its own submodule.cmake file to specify the build targets etc.
This is neat!

git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@340 bb408c1c-ae56-11e1-83d9-df6b3e0c105e

CMakeLists.txt

@@ -31,6 +31,8 @@ ENDIF()
 
 include(cmake/commonconf.cmake)
 
+MESSAGE(STATUS "--------------------------------------------------------------------------------")
+
 IF(CAMPVIS_BUILD_LIB_TGT)
     ADD_SUBDIRECTORY(ext/tgt)
 ENDIF()

application/campvis.cpp

@@ -28,8 +28,8 @@
 // ================================================================================================
 
 #include "application/campvisapplication.h"
-#include "modules/pipelines/dvrvis.h"
-#include "modules/pipelines/slicevis.h"
+#include "modules/vis/pipelines/dvrvis.h"
+#include "modules/vis/pipelines/slicevis.h"
 
 using namespace campvis;
 

cmake/commonconf.cmake

@@ -185,5 +185,59 @@ ELSE(OPENCL_FOUND)
     MESSAGE(FATAL_ERROR "OpenCL not found!")
 ENDIF(OPENCL_FOUND)
 
+
+# detect modules
+MESSAGE(STATUS "--------------------------------------------------------------------------------")
+MESSAGE(STATUS "Detecting installed modules:")
+
+# collect list of directories in modules directories
+SET(ModulesDir ${CAMPVIS_HOME}/modules)
+LIST_SUBDIRECTORIES(ModDirs ${ModulesDir} false)
+
+# remove CMake realted directories
+LIST(REMOVE_ITEM ModDirs CMakeFiles)
+LIST(REMOVE_ITEM ModDirs campvis-modules.dir)
+
+# go through each subdirectory
+FOREACH(ModDir ${ModDirs})
+    # check whether  module.cmake file exists
+    SET(ModFile ${ModulesDir}/${ModDir}/${ModDir}.cmake)
+    IF(EXISTS ${ModFile})
+        MESSAGE(STATUS "* Found Module ${ModDir}")
+        STRING(TOLOWER ${ModDir} ModDirLower)
+        STRING(TOUPPER ${ModDir} ModDirUpper)
+
+        # check whether the option to build this very module exists and is checked
+        IF(CAMPVIS_BUILD_MODULE_${ModDirUpper})
+            SET(ThisModDir ${ModulesDir}/${ModDir})
+            
+            # load .cmake file
+            INCLUDE(${ModFile})
+            
+            # merge module settings into global settings
+            LIST(APPEND CAMPVisModulesDefinitions ${ThisModDefinitions})
+            LIST(APPEND CAMPVisModulesIncludeDirs ${ThisModIncludeDirs})
+            LIST(APPEND CAMPVisModulesExternalLibs ${ThisModExternalLibs})
+            LIST(APPEND CAMPVisModulesSources ${ThisModSources})
+            LIST(APPEND CAMPVisModulesHeaders ${ThisModHeaders})
+            
+            # unset module settings to avoid duplicates if module cmake file misses sth.
+            UNSET(ThisModDefinitions)
+            UNSET(ThisModIncludeDirs)
+            UNSET(ThisModExternalLibs)
+            UNSET(ThisModSources)
+            UNSET(ThisModHeaders)
+            
+        ELSEIF(NOT DEFINED CAMPVIS_BUILD_MODULE_${ModDirUpper})
+            # add a CMake option for building this module
+            OPTION(CAMPVIS_BUILD_MODULE_${ModDirUpper}  "Build Module ${ModDir}" OFF)
+        ENDIF(CAMPVIS_BUILD_MODULE_${ModDirUpper})
+        
+    ELSE(EXISTS ${ModFile})
+        MESSAGE(STATUS "* WARNING: Found Directory ${ModDir} Without CMake file - ignored")
+    ENDIF(EXISTS ${ModFile})
+    
+ENDFOREACH(ModDir ${ModDirs})
+
 SET(COMMONCONF_PROCESSED TRUE)
 ENDIF(NOT COMMONCONF_PROCESSED)

modules/CMakeLists.txt

 PROJECT(campvis-modules)
 CMAKE_MINIMUM_REQUIRED(VERSION 2.8.0 FATAL_ERROR)
-INCLUDE(../cmake/commonconf.cmake)
+#INCLUDE(../cmake/commonconf.cmake)
 
 MESSAGE(STATUS "Configuring CAMPVis Modules")
 
-FILE(GLOB CAMPVIS_MODULES_SOURCES RELATIVE ${CMAKE_CURRENT_SOURCE_DIR}
-    classification/*.cpp
-    io/*.cpp
-    pipelines/*.cpp
-    preprocessing/*.cpp
-    vis/*.cpp
-)
-
-FILE(GLOB CAMPVIS_MODULES_HEADERS RELATIVE ${CMAKE_CURRENT_SOURCE_DIR}
-    classification/*.h
-    io/*.h
-    pipelines/*.h
-    preprocessing/*.h
-    vis/*.h
-    vis/*.frag
-    vis/*.cl
+ADD_LIBRARY(campvis-modules
+    ${CAMPVisModulesSources} ${CAMPVisModulesHeaders} 
 )
 
-#SET(CAMPVIS_MODULES_SOURCES
-#    application/campvis.cpp
-#    application/campvispainter.cpp
-#    datastructures/
-#)
+# TODO: Remove Qt dependency as soon as the pipelines got cleaned up (and thus removed their hard link to tgt/qt/qtcontextmanager.h
 
-#SET(CAMPVIS_MODULES_HEADERS 
-#    application/campvispainter.h
-#)
-
-#
-# Qt related stuff:
-#
 FIND_PACKAGE(Qt4 ${CAMPVIS_REQUIRED_QT_VERSION} REQUIRED QtCore QtGui QtOpenGL)
-#QT4_WRAP_CPP(CAMPVIS_MODULES_MOC ${CAMPVIS_MODULES_HEADERS})
 INCLUDE(${QT_USE_FILE})
 
-ADD_LIBRARY(campvis-modules
-    ${CAMPVIS_MODULES_SOURCES} ${CAMPVIS_MODULES_HEADERS} 
-#    ${CAMPVIS_MODULES_MOC}
-) 
-ADD_DEFINITIONS(${CAMPVIS_DEFINITIONS} ${QT_DEFINITIONS})
-INCLUDE_DIRECTORIES(${CAMPVIS_INCLUDE_DIRECTORIES})
-TARGET_LINK_LIBRARIES(campvis-modules campvis-core tgt kisscl ${CAMPVIS_EXTERNAL_LIBRARIES} ${QT_LIBRARIES})
+
+ADD_DEFINITIONS(${CAMPVIS_DEFINITIONS} ${CAMPVisModulesDefinitions} ${QT_DEFINITIONS})
+INCLUDE_DIRECTORIES(${CAMPVIS_INCLUDE_DIRECTORIES} ${CAMPVisModulesIncludeDirs})
+TARGET_LINK_LIBRARIES(campvis-modules campvis-core tgt ${CAMPVisModulesExternalLibs} ${QT_LIBRARIES})

modules/io/io.cmake

+# CMake file for IO module
+
+# Source files:
+FILE(GLOB ThisModSources RELATIVE ${ModulesDir}
+	modules/io/processors/*.cpp
+)
+
+# Header files
+FILE(GLOB ThisModHeaders RELATIVE ${ModulesDir}
+	modules/io/processors/*.h
+)

modules/opencl/opencl.cmake

+# CMake file for OpenCL module
+
+# Source files:
+FILE(GLOB ThisModSources RELATIVE ${ModulesDir}
+	modules/opencl/processors/*.cpp
+)
+
+# Header files (including CL files so that they'll appear in VS projects)
+FILE(GLOB ThisModHeaders RELATIVE ${ModulesDir}
+    modules/opencl/glsl/*.cl
+	modules/opencl/processors/*.h
+)
+
+
+LIST(APPEND ThisModExternalLibs kisscl)
\ No newline at end of file

modules/vis/clraycaster.cpp → modules/opencl/processors/clraycaster.cpp

@@ -93,7 +93,7 @@ namespace campvis {
 
         _clContext = CLRtm.createGlSharingContext();
         if (_clContext != 0) {
-            _clProgram = CLRtm.loadProgram(_clContext, "modules/vis/clraycaster.cl");
+            _clProgram = CLRtm.loadProgram(_clContext, "modules/vis/cl/clraycaster.cl");
             _clProgram->setBuildOptions(" -cl-fast-relaxed-math -cl-mad-enable");
             _clProgram->build();
         }

modules/preprocessing/preprocessing.cmake

+# CMake file for Preprocessing module
+
+# Source files:
+FILE(GLOB ThisModSources RELATIVE ${ModulesDir}
+	modules/preprocessing/processors/*.cpp
+)
+
+# Header files
+FILE(GLOB ThisModHeaders RELATIVE ${ModulesDir}
+	modules/preprocessing/processors/*.h
+)