34 lines
1.1 KiB
C++
34 lines
1.1 KiB
C++
#include <osg/BindImageTexture>
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using namespace osg;
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int BindImageTexture::compare(const osg::StateAttribute &sa) const
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{
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COMPARE_StateAttribute_Types(BindImageTexture,sa)
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// Compare each parameter in turn against the rhs.
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COMPARE_StateAttribute_Parameter(_target)
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COMPARE_StateAttribute_Parameter(_imageunit)
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COMPARE_StateAttribute_Parameter(_access)
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COMPARE_StateAttribute_Parameter(_format)
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COMPARE_StateAttribute_Parameter(_layered)
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COMPARE_StateAttribute_Parameter(_level)
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return 0;
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}
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void BindImageTexture::apply(osg::State&state) const
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{
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if(_target.valid())
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{
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Texture::TextureObject *to = _target->getTextureObject( state.getContextID() );
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GLBufferObject *globj = _target->getBufferData()->getBufferObject()->getGLBufferObject( state.getContextID() );
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if( !globj || globj->isDirty() )
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{
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// _target never been applied yet
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_target->apply(state);
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to = _target->getTextureObject( state.getContextID() );
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}
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state.get<osg::GLExtensions>()->glBindImageTexture(_imageunit, to->id(), _level, _layered, _layer, _access, _format);
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}
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}
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