diff options
author | sanine <sanine.not@pm.me> | 2022-03-04 10:47:15 -0600 |
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committer | sanine <sanine.not@pm.me> | 2022-03-04 10:47:15 -0600 |
commit | 058f98a63658dc1a2579826ba167fd61bed1e21f (patch) | |
tree | bcba07a1615a14d943f3af3f815a42f3be86b2f3 /src/mesh/assimp-master/code/Common/simd.cpp | |
parent | 2f8028ac9e0812cb6f3cbb08f0f419e4e717bd22 (diff) |
add assimp submodule
Diffstat (limited to 'src/mesh/assimp-master/code/Common/simd.cpp')
-rw-r--r-- | src/mesh/assimp-master/code/Common/simd.cpp | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/src/mesh/assimp-master/code/Common/simd.cpp b/src/mesh/assimp-master/code/Common/simd.cpp new file mode 100644 index 0000000..0dd437d --- /dev/null +++ b/src/mesh/assimp-master/code/Common/simd.cpp @@ -0,0 +1,77 @@ +/* +--------------------------------------------------------------------------- +Open Asset Import Library (assimp) +--------------------------------------------------------------------------- + +Copyright (c) 2006-2022, assimp team + +All rights reserved. + +Redistribution and use of this software in source and binary forms, +with or without modification, are permitted provided that the following +conditions are met: + +* Redistributions of source code must retain the above +copyright notice, this list of conditions and the +following disclaimer. + +* Redistributions in binary form must reproduce the above +copyright notice, this list of conditions and the +following disclaimer in the documentation and/or other +materials provided with the distribution. + +* Neither the name of the assimp team, nor the names of its +contributors may be used to endorse or promote products +derived from this software without specific prior +written permission of the assimp team. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +--------------------------------------------------------------------------- +*/ +#include "simd.h" + +namespace Assimp { + +bool CPUSupportsSSE2() { +#if defined(__x86_64__) || defined(_M_X64) + //* x86_64 always has SSE2 instructions */ + return true; +#elif defined(__GNUC__) && defined(i386) + // for GCC x86 we check cpuid + unsigned int d; + __asm__( + "pushl %%ebx\n\t" + "cpuid\n\t" + "popl %%ebx\n\t" + : "=d" ( d ) + :"a" ( 1 ) ); + return ( d & 0x04000000 ) != 0; +#elif (defined(_MSC_VER) && defined(_M_IX86)) + // also check cpuid for MSVC x86 + unsigned int d; + __asm { + xor eax, eax + inc eax + push ebx + cpuid + pop ebx + mov d, edx + } + return ( d & 0x04000000 ) != 0; +#else + return false; +#endif +} + + +} // Namespace Assimp |