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Merge pull request #700 from ace13/osg-3.3.3-fixes

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Fix OSG 3.3.3+ build issue
This commit is contained in:
scrawl 2015-07-30 13:33:12 +02:00
commit a391579382
1 changed files with 8 additions and 0 deletions
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8
components/resource/texturemanager.cpp
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@ -2,6 +2,7 @@
#include <osgDB/Registry>
#include <osg/GLExtensions>
#include <osg/Version>
#include <stdexcept>
@ -118,10 +119,17 @@ namespace Resource
case(GL_COMPRESSED_RGBA_S3TC_DXT3_EXT):
case(GL_COMPRESSED_RGBA_S3TC_DXT5_EXT):
{
#if OSG_MIN_VERSION_REQUIRED(3,3,3)
osg::GLExtensions* exts = osg::GLExtensions::Get(0, false);
if (exts && !exts->isTextureCompressionS3TCSupported
// This one works too. Should it be included in isTextureCompressionS3TCSupported()? Submitted as a patch to OSG.
&& !osg::isGLExtensionSupported(0, "GL_S3_s3tc"))
#else
osg::Texture::Extensions* exts = osg::Texture::getExtensions(0, false);
if (exts && !exts->isTextureCompressionS3TCSupported()
// This one works too. Should it be included in isTextureCompressionS3TCSupported()? Submitted as a patch to OSG.
&& !osg::isGLExtensionSupported(0, "GL_S3_s3tc"))
#endif
{
std::cerr << "Error loading " << filename << ": no S3TC texture compression support installed" << std::endl;
return false;