Moved generated shaders to build tree (close #453)

Author: TheMostDiligent

Graphics/HLSL2GLSLConverterLib/CMakeLists.txt

@@ -20,9 +20,12 @@ set(SOURCE
 
 set(GLSL_DEFINITIONS include/GLSLDefinitions.h)
 
+set(GENERATED_SHADERS_DIR ${CMAKE_CURRENT_BINARY_DIR}/GeneratedShaders)
+file(MAKE_DIRECTORY ${GENERATED_SHADERS_DIR})
+
 # We must use the full path, otherwise the build system will not be able to properly detect
 # changes and shader conversion custom command will run every time
-set(GLSL_DEFINITIONS_INC ${CMAKE_CURRENT_SOURCE_DIR}/include/GLSLDefinitions_inc.h)
+set(GLSL_DEFINITIONS_INC ${GENERATED_SHADERS_DIR}/GLSLDefinitions_inc.h)
 set_source_files_properties(${GLSL_DEFINITIONS_INC} PROPERTIES GENERATED TRUE)
 
 add_library(Diligent-HLSL2GLSLConverterLib STATIC
@@ -39,6 +42,7 @@ PUBLIC
     interface
 PRIVATE
     include
+    ${GENERATED_SHADERS_DIR}
 )
 
 target_link_libraries(Diligent-HLSL2GLSLConverterLib
@@ -51,23 +55,19 @@ PUBLIC
     Diligent-GraphicsEngineInterface
 )
 
-if(NOT "${FILE2STRING_PATH}" STREQUAL "")
-    find_package(Python3 REQUIRED)
-    add_custom_command(OUTPUT ${GLSL_DEFINITIONS_INC} # We must use full path here!
-                       COMMAND ${Python3_EXECUTABLE} ${FILE2STRING_PATH} ${GLSL_DEFINITIONS} include/GLSLDefinitions_inc.h
-                       WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
-                       MAIN_DEPENDENCY ${GLSL_DEFINITIONS}
-                       COMMENT "Processing GLSLDefinitions.h"
-                       VERBATIM
-    )
-else()
-    message(WARNING "File2String utility is currently unavailable on this host system. This is not an issue unless you modify GLSLDefinitions.h file")
-endif()
+find_package(Python3 REQUIRED)
+add_custom_command(OUTPUT ${GLSL_DEFINITIONS_INC} # We must use full path here!
+                   COMMAND ${Python3_EXECUTABLE} ${FILE2STRING_PATH} ${GLSL_DEFINITIONS} ${GLSL_DEFINITIONS_INC}
+                   WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+                   MAIN_DEPENDENCY ${GLSL_DEFINITIONS}
+                   COMMENT "Processing GLSLDefinitions.h"
+                   VERBATIM
+)
 
 source_group("src" FILES ${SOURCE})
 source_group("include" FILES ${INCLUDE})
 source_group("interface" FILES ${INTERFACE})
-source_group("generated" FILES include/GLSLDefinitions_inc.h)
+source_group("generated" FILES ${GLSL_DEFINITIONS_INC})
 
 set_target_properties(Diligent-HLSL2GLSLConverterLib PROPERTIES
     FOLDER DiligentCore/Graphics