FGFS-4.1/OpenSceneGraph
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From Bob Kuehne, more general checks for existance of extensions.

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This commit is contained in:
Robert Osfield 2004-05-17 13:20:41 +00:00
parent 01b504bc2f
commit 867a1ae105
1 changed files with 7 additions and 3 deletions
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10
src/osg/Texture.cpp
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@ -1122,13 +1122,17 @@ void Texture::Extensions::setupGLExtensions()
isGLExtensionSupported("GL_ARB_multitexture") ||
isGLExtensionSupported("GL_EXT_multitexture");
_isTextureFilterAnisotropicSupported = isGLExtensionSupported("GL_EXT_texture_filter_anisotropic");
_isTextureCompressionARBSupported = isGLExtensionSupported("GL_ARB_texture_compression");
_isTextureCompressionARBSupported = ( glVersion >= 1.3 ) ||
isGLExtensionSupported("GL_ARB_texture_compression");
_isTextureCompressionS3TCSupported = isGLExtensionSupported("GL_EXT_texture_compression_s3tc");
_isTextureMirroredRepeatSupported = isGLExtensionSupported("GL_IBM_texture_mirrored_repeat");
_isTextureMirroredRepeatSupported = ( glVersion >= 1.4 ) ||
isGLExtensionSupported("GL_IBM_texture_mirrored_repeat") ||
isGLExtensionSupported("GL_ARB_texture_mirrored_repeat");
_isTextureEdgeClampSupported = ( glVersion >= 1.2 ) ||
isGLExtensionSupported("GL_EXT_texture_edge_clamp") ||
isGLExtensionSupported("GL_SGIS_texture_edge_clamp");
_isTextureBorderClampSupported = isGLExtensionSupported("GL_ARB_texture_border_clamp");
_isTextureBorderClampSupported = ( glVersion >= 1.3 ) ||
isGLExtensionSupported("GL_ARB_texture_border_clamp");
_isGenerateMipMapSupported = (strncmp((const char*)glGetString(GL_VERSION),"1.4",3)>=0) ||
isGLExtensionSupported("GL_SGIS_generate_mipmap");
_isShadowSupported = isGLExtensionSupported("GL_ARB_shadow");