diff options
Diffstat (limited to 'src/mesh/assimp-master/port/dAssimp/assimp/loader.d')
| -rw-r--r-- | src/mesh/assimp-master/port/dAssimp/assimp/loader.d | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/src/mesh/assimp-master/port/dAssimp/assimp/loader.d b/src/mesh/assimp-master/port/dAssimp/assimp/loader.d new file mode 100644 index 0000000..279f0a7 --- /dev/null +++ b/src/mesh/assimp-master/port/dAssimp/assimp/loader.d @@ -0,0 +1,193 @@ +/* +--------------------------------------------------------------------------- +Open Asset Import Library (ASSIMP) +--------------------------------------------------------------------------- + +Copyright (c) 2006-2020, ASSIMP Development 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 Development 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. +--------------------------------------------------------------------------- +*/ + +/** + * Provides facilities for dynamically loading the Assimp library. + * + * Currently requires Tango, but there is no reason why Phobos could not be + * supported too. + */ +module assimp.loader; + +import assimp.api; +import tango.io.Stdout; +import tango.sys.SharedLib; + +const uint ASSIMP_BINDINGS_MAJOR = 2; +const uint ASSIMP_BINDINGS_MINOR = 0; + +/** + * Loader class for dynamically loading the Assimp library. + * + * The library is »reference-counted«, meaning that the library is not + * unloaded on a call to <code>unload()</code> if there are still other + * references to it. + */ +struct Assimp { +public: + /** + * Loads the library if it is not already loaded and increases the + * reference counter. + * + * The library file (<code>libassimp.so</code> on POSIX systems, + * <code>Assimp32.dll</code> on Win32) is loaded via Tango's SharedLib + * class. + */ + static void load() { + if ( m_sRefCount == 0 ) { + version ( Posix ) { + version ( OSX ) { + m_sLibrary = SharedLib.load( "libassimp.dylib" ); + } else { + m_sLibrary = SharedLib.load( "libassimp.so" ); + } + } + version ( Win32 ) { + m_sLibrary = SharedLib.load( "Assimp32.dll" ); + } + + // Versioning + mixin( bindCode( "aiGetLegalString" ) ); + mixin( bindCode( "aiGetVersionMinor" ) ); + mixin( bindCode( "aiGetVersionMajor" ) ); + mixin( bindCode( "aiGetVersionRevision" ) ); + mixin( bindCode( "aiGetCompileFlags" ) ); + + // Check for version mismatch between the external, dynamically loaded + // library and the version the bindings were created against. + uint libMajor = aiGetVersionMajor(); + uint libMinor = aiGetVersionMinor(); + + if ( ( libMajor < ASSIMP_BINDINGS_MAJOR ) || + ( libMinor < ASSIMP_BINDINGS_MINOR ) ) { + Stdout.format( + "WARNING: Assimp version too old (loaded library: {}.{}, " ~ + "bindings: {}.{})!", + libMajor, + libMinor, + ASSIMP_BINDINGS_MAJOR, + ASSIMP_BINDINGS_MINOR + ).newline; + } + + if ( libMajor > ASSIMP_BINDINGS_MAJOR ) { + Stdout.format( + "WARNING: Assimp version too new (loaded library: {}.{}, " ~ + "bindings: {}.{})!", + libMajor, + libMinor, + ASSIMP_BINDINGS_MAJOR, + ASSIMP_BINDINGS_MINOR + ).newline; + } + + // General API + mixin( bindCode( "aiImportFile" ) ); + mixin( bindCode( "aiImportFileEx" ) ); + mixin( bindCode( "aiImportFileFromMemory" ) ); + mixin( bindCode( "aiApplyPostProcessing" ) ); + mixin( bindCode( "aiGetPredefinedLogStream" ) ); + mixin( bindCode( "aiAttachLogStream" ) ); + mixin( bindCode( "aiEnableVerboseLogging" ) ); + mixin( bindCode( "aiDetachLogStream" ) ); + mixin( bindCode( "aiDetachAllLogStreams" ) ); + mixin( bindCode( "aiReleaseImport" ) ); + mixin( bindCode( "aiGetErrorString" ) ); + mixin( bindCode( "aiIsExtensionSupported" ) ); + mixin( bindCode( "aiGetExtensionList" ) ); + mixin( bindCode( "aiGetMemoryRequirements" ) ); + mixin( bindCode( "aiSetImportPropertyInteger" ) ); + mixin( bindCode( "aiSetImportPropertyFloat" ) ); + mixin( bindCode( "aiSetImportPropertyString" ) ); + + // Mathematical functions + mixin( bindCode( "aiCreateQuaternionFromMatrix" ) ); + mixin( bindCode( "aiDecomposeMatrix" ) ); + mixin( bindCode( "aiTransposeMatrix4" ) ); + mixin( bindCode( "aiTransposeMatrix3" ) ); + mixin( bindCode( "aiTransformVecByMatrix3" ) ); + mixin( bindCode( "aiTransformVecByMatrix4" ) ); + mixin( bindCode( "aiMultiplyMatrix4" ) ); + mixin( bindCode( "aiMultiplyMatrix3" ) ); + mixin( bindCode( "aiIdentityMatrix3" ) ); + mixin( bindCode( "aiIdentityMatrix4" ) ); + + // Material system + mixin( bindCode( "aiGetMaterialProperty" ) ); + mixin( bindCode( "aiGetMaterialFloatArray" ) ); + mixin( bindCode( "aiGetMaterialIntegerArray" ) ); + mixin( bindCode( "aiGetMaterialColor" ) ); + mixin( bindCode( "aiGetMaterialString" ) ); + mixin( bindCode( "aiGetMaterialTextureCount" ) ); + mixin( bindCode( "aiGetMaterialTexture" ) ); + } + ++m_sRefCount; + } + + /** + * Decreases the reference counter and unloads the library if this was the + * last reference. + */ + static void unload() { + assert( m_sRefCount > 0 ); + --m_sRefCount; + + if ( m_sRefCount == 0 ) { + m_sLibrary.unload(); + } + } + +private: + /// Current number of references to the library. + static uint m_sRefCount; + + /// Library handle. + static SharedLib m_sLibrary; +} + +/** + * Private helper function which constructs the bind command for a symbol to + * keep the code DRY. + */ +private char[] bindCode( char[] symbol ) { + return symbol ~ " = cast( typeof( " ~ symbol ~ + " ) )m_sLibrary.getSymbol( `" ~ symbol ~ "` );"; +} |