INCLUDE_DIRECTORIES(${TexC_SOURCE_DIR}/BPTCEncoder/include)

INCLUDE(CheckCXXSourceCompiles)

SET(OLD_CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS})
IF(CMAKE_COMPILER_IS_GNUCC)
	SET(CMAKE_REQUIRED_FLAGS -msse4.1)
	CHECK_CXX_SOURCE_COMPILES("config/testsse4.1.cpp" HAS_SSE_41)

	IF(HAS_SSE_41)
		SET(CMAKE_REQUIRED_FLAGS -msse4.2)
		CHECK_CXX_SOURCE_COMPILES("config/testsse4.2.cpp"	HAS_SSE_POPCNT)
	ENDIF(HAS_SSE_41)

ELSEIF(MSVC)
ENDIF()
SET(CMAKE_REQUIRED_FLAGS ${OLD_CMAKE_REQUIRED_FLAGS})

CONFIGURE_FILE(
	"config/BC7Config.h.in"
	"src/BC7Config.h"
)

IF(CMAKE_COMPILER_IS_GNUCC)
	ADD_DEFINITIONS(-fasm-blocks)
ENDIF(CMAKE_COMPILER_IS_GNUCC)

SET( HEADERS
	src/BC7CompressionMode.h
	src/BC7IntTypes.h
	src/BitStream.h
	src/RGBAEndpoints.h
)

SET( SOURCES
	src/BC7Compressor.cpp
	src/RGBAEndpoints.cpp
)

IF( HAS_SSE_41 ) 
	SET( HEADERS
		${HEADERS}
		src/RGBAEndpointsSIMD.h
		src/BC7CompressionModeSIMD.h
	)

	SET( SOURCES
		${SOURCES}
		src/BC7CompressorSIMD.cpp
		src/RGBAEndpointsSIMD.cpp
	)
ENDIF( HAS_SSE_41 )

ADD_LIBRARY( BPTCEncoder
	${SOURCES}
	${SIMD_SOURCES}
)