FasTC/BPTCEncoder/CMakeLists.txt
2012-08-28 15:36:26 -04:00

161 lines
3.4 KiB
CMake

INCLUDE_DIRECTORIES(${TexC_SOURCE_DIR}/BPTCEncoder/include)
INCLUDE_DIRECTORIES(${TexC_BINARY_DIR}/BPTCEncoder/include)
INCLUDE(CheckCXXSourceRuns)
SET(OLD_CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS})
IF(CMAKE_COMPILER_IS_GNUCC)
# Test whether or not the compiler allows inline
# assmbly...
CHECK_CXX_SOURCE_RUNS("
\#ifdef _MSC_VER
int main() {
int x = 1, y = 0;
__asm {
mov eax, x
mov y, eax
}
return !y;
}
\#else
int main() {
int x = 1, y = 0;
__asm__ (\"movl %1, %%eax;\"
\"movl %%eax, %0;\"
:\"=r\"(y) /* output */
:\"r\"(x) /* input */
:\"%eax\" /* clobbered register */
);
return !y;
}
\#endif"
HAS_INLINE_ASSEMBLY
)
# If the compiler doesn't allow it, then try with a
# compiler flag...
IF( NOT HAS_INLINE_ASSEMBLY )
SET(CMAKE_REQUIRED_FLAGS -fasm-blocks)
CHECK_CXX_SOURCE_RUNS("
\#ifdef _MSC_VER
int main() {
int x = 1, y = 0;
__asm {
mov eax, x
mov y, eax
}
return !y;
}
\#else
int main() {
int x = 1, y = 0;
__asm__ (\"movl %1, %%eax;\"
\"movl %%eax, %0;\"
:\"=r\"(y) /* output */
:\"r\"(x) /* input */
:\"%eax\" /* clobbered register */
);
return !y;
}
\#endif"
HAS_INLINE_ASSEMBLY_WITH_FLAGS
)
ENDIF()
SET(CMAKE_REQUIRED_FLAGS -msse4.1)
CHECK_CXX_SOURCE_RUNS("
#include <smmintrin.h>
int main() {
const __m128 fv = _mm_set1_ps(1.0f);
const __m128 fv2 = _mm_set1_ps(2.0f);
const __m128 ans = _mm_blend_ps(fv, fv2, 2);
return ((int *)(&ans))[0];
}"
HAS_SSE_41
)
IF(HAS_SSE_41)
SET(CMAKE_REQUIRED_FLAGS -msse4.2)
CHECK_CXX_SOURCE_RUNS("
#include <smmintrin.h>
int main() {
const unsigned int testMe = 5;
return !(2 == _mm_popcnt_u32(testMe));
}"
HAS_SSE_POPCNT
)
ENDIF(HAS_SSE_41)
ELSEIF(MSVC)
#!FIXME!
ENDIF()
SET(CMAKE_REQUIRED_FLAGS ${OLD_CMAKE_REQUIRED_FLAGS})
IF( NOT HAS_INLINE_ASSEMBLY AND NOT HAS_INLINE_ASSEMBLY_WITH_FLAGS )
SET( NO_INLINE_ASSEMBLY true )
ENDIF()
CONFIGURE_FILE(
"config/BC7Config.h.in"
"include/BC7Config.h"
)
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 )
IF ( HAS_SSE_POPCNT )
IF( MSVC )
ADD_DEFINITIONS( /arch:SSE4.2 )
ELSE() #Assume GCC
ADD_DEFINITIONS( -msse4.2 )
ENDIF()
ELSE()
IF( MSVC )
ADD_DEFINITIONS( /arch:SSE4.1 )
ELSE() #Assume GCC
ADD_DEFINITIONS( -msse4.1 )
ENDIF()
ENDIF()
SET( HEADERS
${HEADERS}
src/RGBAEndpointsSIMD.h
src/BC7CompressionModeSIMD.h
)
SET( SOURCES
${SOURCES}
src/BC7CompressorSIMD.cpp
src/RGBAEndpointsSIMD.cpp
)
ENDIF( HAS_SSE_41 )
IF( HAS_INLINE_ASSEMBLY_WITH_FLAGS )
IF( MSVC )
# !FIXME!
ELSE()
ADD_DEFINITIONS( -fasm-blocks )
ENDIF()
ENDIF()
ADD_LIBRARY( BPTCEncoder
${HEADERS}
${SOURCES}
)