# Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

#

# Permission is hereby granted, free of charge, to any person obtaining a

# copy of this software and /or associated documentation files

# (the "Materials "), to deal in the Materials without restriction,

# including without limitation the rights to use, copy, modify, merge,

# publish, distribute, sublicense, and/or sell copies of the Materials,

# and to permit persons to whom the Materials are furnished to do so,

# subject to the following conditions:

#

# The above copyright notice and this permission notice shall be included

# in all copies or substantial portions of the Materials.

#

# THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.

# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,

# DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR

# OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE MATERIALS OR

# THE USE OR OTHER DEALINGS IN THE MATERIALS.

#

# Initial Contributors:

# Nokia Corporation - initial contribution.

#

# Contributors:

#

# Description:

# CMake meta build file for host libOpenVG

set(SF_SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR}/ri/src)

set(SF_INC_DIR ${CMAKE_CURRENT_SOURCE_DIR}/ri/include)

# Some of the source files are generated using scripts. Check if the

# scripts were modified and rebuild if necessary.

set(ALPHA_RCP_GEN_FILE ${PROJECT_SOURCE_DIR}/vg/bin/make_alpha_rcp.py)

set(GAMMA_LUT_GEN_FILE ${PROJECT_SOURCE_DIR}/vg/bin/make_gamma_lut.py)

set(ALPHA_RCP_FILE ${SF_SRC_DIR}/sfAlphaRcp.h)

set(GAMMA_LUT_FILE ${SF_SRC_DIR}/sfGammaLUT.h)

add_custom_command(

    OUTPUT ${ALPHA_RCP_FILE}

    COMMAND python ${ALPHA_RCP_GEN_FILE} > ${ALPHA_RCP_FILE}

    DEPENDS ${ALPHA_RCP_GEN_FILE})

add_custom_command(

    OUTPUT ${GAMMA_LUT_FILE}

    COMMAND python ${GAMMA_LUT_GEN_FILE} > ${GAMMA_LUT_FILE}

    DEPENDS ${GAMMA_LUT_GEN_FILE})

# Required in Linux and for LLVM compilation:

# \todo LLVM script uses the flags differently, so they must be manually changed!

set(GCC_SSE_FLAGS "-msse2 -mfpmath=sse -march=pentium4")

# Win32 vs. Linux settings

if(WIN32)

	message("*** openvg_sg Win32")

	set(EGLOS_SRC_FILE ${SF_SRC_DIR}/win32/riEGLOS.cpp)

	set(SF_SSE_FLAGS "/arch:SSE2")

	set(SF_PLATFORM_LINK_LIBRARIES "")

    set(C_WARNING_FLAGS "")

	add_definitions(-DOPENVG_DLL_EXPORTS -DNOMINMAX)

	set(GLUT_LIBRARY "")

	set(GLUT_INCLUDE_DIR "")

    set(LIB_TYPE SHARED)

    link_directories(${PROJECT_SOURCE_DIR}/llvm/llvm-2.7/lib)        

    #if(CMAKE_BUILD_TYPE STREQUAL Release)

    #    link_directories(${PROJECT_SOURCE_DIR}/llvm/llvm-2.7/lib/Release)        

    #else(CMAKE_BUILD_TYPE STREQUAL Release)

    #    link_directories(${PROJECT_SOURCE_DIR}/llvm/llvm-2.7/lib/Debug)        

    #endif(CMAKE_BUILD_TYPE STREQUAL Release)

else(WIN32)

	set(EGLOS_SRC_FILE ${SF_SRC_DIR}/linux/riEGLOS.cpp)

	set(SF_SSE_FLAGS ${GCC_SSE_FLAGS})

	set(SF_PLATFORM_LINK_LIBRARIES m stdc++)

    set(C_WARNING_FLAGS "-Wall -std=c99 -pedantic-errors -Wno-variadic-macros -Wno-long-long -Wextra")

    set(CXX_WARNING_FLAGS "-Wall -std=c++98 -pedantic-errors -Wno-variadic-macros -Wno-long-long -Wextra")

    # Easier debugging on linux

    # \todo Just use BUILD_SHARED_LIBRARIES: This way debug builds can be made with static

    # and release with dynamic linking.

    set(LIB_TYPE SHARED)

	find_library(GLUT_LIBRARY glut)

	find_path(GLUT_INCLUDE_DIR GL/glut.h)

endif(WIN32)

# Normal EGL vs. MiniEGL settings

if(USE_MINI_EGL)

	message("*** Including EGL code and entrypoints into OpenVG")

    set(EGL_FILES 

        ${SF_SRC_DIR}/riEGLOS.h

        ${EGLOS_SRC_FILE}

        ${SF_INC_DIR}/EGL/egl.h

        ${SF_SRC_DIR}/riMiniEGL.cpp

        )

    set(EGL_LIBRARY "")

else(USE_MINI_EGL)

    set(EGL_FILES

        ${SF_SRC_DIR}/sfEGLInterface.h

        ${SF_SRC_DIR}/sfEGLInterface.cpp

        )

    set(EGL_LIBRARY "")

endif(USE_MINI_EGL)

set(VG_SF_SRC_FILES

  ${EGL_FILES}

  ${SF_SRC_DIR}/riApi.cpp

  ${SF_SRC_DIR}/riArray.h

  ${SF_SRC_DIR}/riContext.cpp

  ${SF_SRC_DIR}/riContext.h

  ${SF_SRC_DIR}/riDefs.h

  ${SF_SRC_DIR}/riFont.cpp

  ${SF_SRC_DIR}/riUtils.h

  ${SF_SRC_DIR}/riUtils.cpp

  ${SF_SRC_DIR}/riFont.h

  ${SF_SRC_DIR}/riImage.cpp

  ${SF_SRC_DIR}/riImage.h

  ${SF_SRC_DIR}/riMath.cpp

  ${SF_SRC_DIR}/riMath.h

  ${SF_SRC_DIR}/riPath.cpp

  ${SF_SRC_DIR}/riPath.h

  ${SF_SRC_DIR}/riPixelPipe.cpp

  ${SF_SRC_DIR}/riPixelPipe.h

  ${SF_SRC_DIR}/riRasterizer.cpp

  ${SF_SRC_DIR}/riRasterizer.h

  ${SF_SRC_DIR}/riVGU.cpp

  ${SF_SRC_DIR}/sfMask.h

  ${SF_SRC_DIR}/sfDynamicPixelPipe.h

  ${SF_SRC_DIR}/sfDynamicPixelPipe.cpp

  ${SF_SRC_DIR}/sfBlitter.h

  ${SF_SRC_DIR}/sfBlitter.cpp

  ${SF_SRC_DIR}/sfDynamicBlitter.h

  ${SF_SRC_DIR}/sfDynamicBlitter.cpp

  ${SF_SRC_DIR}/sfFunctionCache.h

  ${SF_SRC_DIR}/sfCompiler.h

  ${SF_SRC_DIR}/sfCompiler.cpp

  ${ALPHA_RCP_FILE}

  ${GAMMA_LUT_FILE}

  )

# This VG requires OpenGL to render into window

find_package(OpenGL)

# pthreads on linux, native threads on win32?

# \note Porting...

find_package(Threads)

include_directories(

    ${SF_SRC_DIR}

    #${SF_INC_DIR}

    #${SF_INC_DIR}/VG

    #${SF_INC_DIR}/EGL

    #${OPENGL_INCLUDE_DIR}

    #${GLUT_INCLUDE_DIR}

    ${COMMON_INC_DIR}

    ${COMMON_INC_DIR}/VG

    ${LLVM_INCLUDE_DIR}

    ${CMAKE_CURRENT_BINARY_DIR}

  )

# -fvisibility=hidden?

set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${SF_SSE_FLAGS} ${C_WARNING_FLAGS}")

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${SF_SSE_FLAGS} ${CXX_WARNING_FLAGS}")

# These preprocessor flags were defined in the visual studio project file:

# RI_COMPILE_LLVM_BYTECODE;WIN32;NDEBUG;_WINDOWS;_USRDLL;LIBOPENVG_EXPORTS;OPENVG_DLL_EXPORTS;__STDC_LIMIT_MACROS;__STDC_CONSTANT_MACROS;_CRT_SECURE_NO_DEPRECATE;_CRT_SECURE_NO_WARNINGS;_SCL_SECURE_NO_WARNINGS;CRT_NONSTDC_NO_WARNINGS;_SCL_SECURE_NO_DEPRECATE

# \note This compiles the full version (nothing is generated)

add_definitions(-D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -DRI_COMPILE_LLVM_BYTECODE)

# LLVM bitcode files. \todo Create a macro to add these (LLVMTarget has some

# code that needs expansion, especially on the dependencies, which aren't

# handled well enough for our use.

#set(BC_CFLAGS ${BC_CFLAGS} -DNDEBUG -O1 -msse2 -mfpmath=sse -march=pentium4 -c -emit-llvm -I${SF_INC_DIR} )

set(BC_CFLAGS ${BC_CFLAGS} -DNDEBUG -O1 -msse2 -mfpmath=sse -march=pentium4 -c -emit-llvm -I${COMMON_INC_DIR} )

# This macro assumes that a pixelpipe is generated from one source-code file atm.

macro(make_pixelpipe target_name input_file output_file array_name)

    set(BINARY_PIXELPIPE_DIR ${CMAKE_CURRENT_BINARY_DIR})

    set(BINARY_PIXELPIPE_TARGET ${target_name})

    set(BINARY_PIXELPIPE_FILE ${CMAKE_CURRENT_BINARY_DIR}/${BINARY_PIXELPIPE_TARGET}.bc)

    set(BINARY_PIXELPIPE_HEADER ${BINARY_PIXELPIPE_DIR}/${output_file})

    set_source_files_properties(${BINARY_PIXELPIPE_HEADER}

        PROPERTIES GENERATED true)

    set(LLVM_PIXELPIPE_FILES ${SF_SRC_DIR}/${input_file})

    # Note: Adds all project files as dependency to bitcode file.

    add_custom_command(

        OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${input_file}.bc

        COMMAND ${LLVM_CC} ARGS ${BC_CFLAGS} -o ${CMAKE_CURRENT_BINARY_DIR}/${input_file}.bc ${LLVM_PIXELPIPE_FILES}

        DEPENDS ${LLVM_PIXELPIPE_FILES} ${VG_SF_SRC_FILES}

    )

    add_custom_command(

        OUTPUT ${BINARY_PIXELPIPE_FILE}

        COMMAND ${LLVM_LINK} ARGS -f -o ${BINARY_PIXELPIPE_FILE} ${CMAKE_CURRENT_BINARY_DIR}/${input_file}.bc

        DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${input_file}.bc

    )

    set(BINARY_PIXELPIPE_HEADER_DEPS ${BINARY_PIXELPIPE_FILE})

    if(CMAKE_BUILD_TYPE STREQUAL Debug)

        add_custom_command(

            OUTPUT ${BINARY_PIXELPIPE_FILE}.disasm

            COMMAND ${LLVM_DIS} ARGS ${BINARY_PIXELPIPE_FILE} -f -o ${BINARY_PIXELPIPE_FILE}.disasm

            DEPENDS ${BINARY_PIXELPIPE_FILE}

        )

        set(BINARY_PIXELPIPE_HEADER_DEPS ${BINARY_PIXELPIPE_DEPS} ${BINARY_PIXELPIPE_FILE}.disasm)

    endif()

    add_custom_command(

        OUTPUT ${BINARY_PIXELPIPE_HEADER}

        COMMAND python ${PROJECT_SOURCE_DIR}/vg/bin/bin2h.py ${BINARY_PIXELPIPE_FILE} ${array_name} > ${BINARY_PIXELPIPE_HEADER}

        DEPENDS ${BINARY_PIXELPIPE_HEADER_DEPS}

    )

    set(VG_SF_SRC_FILES ${VG_SF_SRC_FILES} ${BINARY_PIXELPIPE_HEADER})

endmacro(make_pixelpipe)

make_pixelpipe(llvm_pixelpipe sfDynamicPixelPipe.cpp binaryPixelPipe.h integerPixelPipe_binary)

make_pixelpipe(llvm_blitter sfDynamicBlitter.cpp binaryBlitter.h integerBlitter_binary)

add_library(${LIBRARY_NAME_PREFIX}OpenVG ${LIB_TYPE} ${VG_SF_SRC_FILES})

set_target_properties(${LIBRARY_NAME_PREFIX}OpenVG PROPERTIES LINK_INTERFACE_LIBRARIES "")

target_link_libraries(${LIBRARY_NAME_PREFIX}OpenVG ${SF_PLATFORM_LINK_LIBRARIES} ${EGL_LIBRARY} ${OPENGL_LIBRARIES} ${GLUT_LIBRARY} ${CMAKE_THREAD_LIBS_INIT} ${LLVM_JIT_LIBS})

#add_dependencies(openvg_sf llvm_pixelpipe)