Merge pull request #716 from AnyOldName3/patch-2

Resolve OpenGL error caused by confusion between geometry shader implementations
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OpenSceneGraph git repository 2019-03-14 13:51:05 +00:00 committed by GitHub
commit d3174bd36c
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@ -457,7 +457,7 @@ GLExtensions::GLExtensions(unsigned int in_contextID):
isVertexShaderSupported = validContext && (shadersBuiltIn || osg::isGLExtensionSupported(contextID,"GL_ARB_vertex_shader"));
isFragmentShaderSupported = validContext && (shadersBuiltIn || osg::isGLExtensionSupported(contextID,"GL_ARB_fragment_shader"));
isLanguage100Supported = validContext && (shadersBuiltIn || osg::isGLExtensionSupported(contextID,"GL_ARB_shading_language_100"));
isGeometryShader4Supported = validContext && (osg::isGLExtensionSupported(contextID,"GL_EXT_geometry_shader4") || osg::isGLExtensionSupported(contextID,"GL_OES_geometry_shader") || osg::isGLExtensionOrVersionSupported(contextID,"GL_ARB_geometry_shader4", 3.2f));
isGeometryShader4Supported = validContext && (osg::isGLExtensionSupported(contextID,"GL_EXT_geometry_shader4") || osg::isGLExtensionSupported(contextID,"GL_ARB_geometry_shader4"));
isGpuShader4Supported = validContext && osg::isGLExtensionOrVersionSupported(contextID,"GL_EXT_gpu_shader4", 3.0f);
areTessellationShadersSupported = validContext && (osg::isGLExtensionOrVersionSupported(contextID, "GL_ARB_tessellation_shader", 4.0f) || osg::isGLExtensionSupported(contextID,"GL_OES_tessellation_shader"));
isUniformBufferObjectSupported = validContext && osg::isGLExtensionOrVersionSupported(contextID,"GL_ARB_uniform_buffer_object", 3.1f);