cmake_minimum_required (VERSION 2.8)

project (apitrace)

set (CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake)

# Set default built type
if (NOT CMAKE_BUILD_TYPE)
	set (CMAKE_BUILD_TYPE Debug
		CACHE
		STRING "Choose the build type, options are: None, Debug, Release, RelWithDebInfo, or MinSizeRel."
		FORCE)
endif (NOT CMAKE_BUILD_TYPE)

find_package (PythonInterp REQUIRED)
find_package (OpenGL REQUIRED)
find_package (ZLIB)

find_package (DirectX)

find_package (GLUT)

find_library (GLEW_glew_LIBRARY GLEW
	/usr/lib
)

find_path (GLEW_INCLUDE_DIR GL/glew.h
      /usr/include/GL
)

if (WIN32)
	# MSVC & MinGW only define & use APIENTRY
	add_definitions (-DGLAPIENTRY=__stdcall)
endif (WIN32)

if (MSVC)
	# Enable math constants defines
	add_definitions (-D_USE_MATH_DEFINES)

	# Adjust warnings
	add_definitions (-D_CRT_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS)
	add_definitions (-D_SCL_SECURE_NO_DEPRECATE -D_SCL_SECURE_NO_WARNINGS)
	add_definitions (-W4)
	add_definitions (-wd4244) # conversion from 'type1' to 'type2', possible loss of data
	add_definitions (-wd4505) # unreferenced local function has been removed
	add_definitions (-wd4800) # forcing value to bool 'true' or 'false' (performance warning)
	
	# Use static runtime
	# http://www.cmake.org/Wiki/CMake_FAQ#How_can_I_build_my_MSVC_application_with_a_static_runtime.3F
	foreach (flag_var
		CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO
		CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO
	)
		if (${flag_var} MATCHES "/MD")
			string (REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}")
		endif (${flag_var} MATCHES "/MD")
	endforeach (flag_var)
else ()
	add_definitions (-Wall)
endif ()

# Use bundled ZLIB if system one can't be found
if (NOT ZLIB_FOUND)
	add_library (zlib STATIC
		zlib/adler32.c
		zlib/compress.c
		zlib/crc32.c
		zlib/gzio.c
		zlib/uncompr.c
		zlib/deflate.c
		zlib/trees.c
		zlib/zutil.c
		zlib/inflate.c
		zlib/infback.c
		zlib/inftrees.c
		zlib/inffast.c
	)

	include_directories (zlib)
	link_libraries (zlib)
else (NOT ZLIB_FOUND)
	include_directories (${ZLIB_INCLUDE_DIRS})
	link_libraries (${ZLIB_LIBRARIES})
endif (NOT ZLIB_FOUND)

include_directories (${CMAKE_CURRENT_SOURCE_DIR})

if (WIN32)
	# Put wrappers in a separate directory
	set (LIBRARY_OUTPUT_PATH ${PROJECT_BINARY_DIR}/wrappers)

	# d3d8.dll
    #if (DirectX_D3D8_FOUND)
	#	include_directories (${DirectX_D3D8_INCLUDE_DIR})
	#	add_custom_command (
	#		OUTPUT d3d8.cpp
	#		COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/d3d8.py > ${CMAKE_CURRENT_BINARY_DIR}/d3d8.cpp
	#		DEPENDS d3d8.py d3d8types.py d3d8caps.py windows.py base.py
	#	)
	#	add_library (d3d8 SHARED d3d8.def d3d8.cpp log.cpp os_win32.cpp)
	#	set_target_properties (d3d8 PROPERTIES PREFIX "")
	#endif (DirectX_D3D8_FOUND)

	# d3d9.dll
    #if (DirectX_D3DX9_FOUND)
	#	include_directories (${DirectX_D3DX9_INCLUDE_DIR})
	#	add_custom_command (
	#		OUTPUT d3d9.cpp
	#		COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/d3d9.py > ${CMAKE_CURRENT_BINARY_DIR}/d3d9.cpp
	#		DEPENDS d3d9.py d3d9types.py d3d9caps.py d3dshader.py windows.py base.py
	#	)
	#	add_library (d3d9 SHARED d3d9.def d3d9.cpp log.cpp os_win32.cpp)
	#	set_target_properties (d3d9 PROPERTIES PREFIX "")
	#endif (DirectX_D3DX9_FOUND)

	# d3d10.dll
	#if (DirectX_D3D10_FOUND)
	#	include_directories (${DirectX_D3D10_INCLUDE_DIR})
	#	add_custom_command (
	#		OUTPUT d3d10.cpp
	#		COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/d3d10misc.py > ${CMAKE_CURRENT_BINARY_DIR}/d3d10.cpp
	#		DEPENDS d3d10misc.py windows.py base.py
	#	)
	#	add_library (d3d10 SHARED d3d10.def d3d10.cpp log.cpp os_win32.cpp)
	#	set_target_properties (d3d10 PROPERTIES PREFIX "")
	#endif (DirectX_D3D10_FOUND)

	# opengl32.dll
	add_custom_command (
		OUTPUT opengl32.cpp
		COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/opengl32.py > ${CMAKE_CURRENT_BINARY_DIR}/opengl32.cpp
		DEPENDS opengl32.py trace.py wglapi.py glapi.py windows.py base.py
	)
	add_library (opengl SHARED opengl32.def opengl32.cpp log.cpp os_win32.cpp)
	set_target_properties (opengl PROPERTIES
		PREFIX ""
		OUTPUT_NAME opengl32)
	if (MINGW)
		SET_TARGET_PROPERTIES(opengl PROPERTIES LINK_FLAGS "-Wl,--enable-stdcall-fixup ${CMAKE_CURRENT_SOURCE_DIR}/opengl32.def")
	endif (MINGW)

else ()

	# libGL.so
	add_custom_command (
		OUTPUT glxtrace.cpp
		COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/glxtrace.py > ${CMAKE_CURRENT_BINARY_DIR}/glxtrace.cpp
		DEPENDS glxtrace.py trace.py glapi.py base.py
	)

	add_library (glxtrace SHARED glxtrace.cpp log.cpp os_posix.cpp)
	set_target_properties (glxtrace PROPERTIES PREFIX "")
	target_link_libraries (glxtrace dl)
endif ()

add_executable (dump dump.cpp trace_model.cpp)


if (GLEW_INCLUDE_DIR)
	add_custom_command (
		OUTPUT glretrace.cpp
		COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/glretrace.py > ${CMAKE_CURRENT_BINARY_DIR}/glretrace.cpp
		DEPENDS glretrace.py glapi.py base.py
	)

	include_directories (
		${OPENGL_INCLUDE_PATH}
		${GLUT_INCLUDE_DIR}
		${GLEW_INCLUDE_DIR}
	)

	add_executable (glretrace glretrace.cpp trace_model.cpp)

	target_link_libraries (glretrace
		${OPENGL_gl_LIBRARY}
		${OPENGL_glu_LIBRARY}
		${GLUT_glut_LIBRARY}
		${GLEW_glew_LIBRARY}
	)
endif (GLEW_INCLUDE_DIR)