Don't upload / bind skinning ubo if not supported

src/graphics/shader_based_renderer.cpp

@@ -268,10 +268,11 @@ void ShaderBasedRenderer::renderScene(scene::ICameraSceneNode * const camnode,
                                       bool hasShadow,
                                       bool forceRTT)
 {
-    if(CVS->isARBUniformBufferObjectUsable())
+    if (CVS->isARBUniformBufferObjectUsable())
     {
         glBindBufferBase(GL_UNIFORM_BUFFER, 0, SharedGPUObjects::getViewProjectionMatricesUBO());
         glBindBufferBase(GL_UNIFORM_BUFFER, 1, SharedGPUObjects::getLightingDataUBO());
+        if (CVS->supportsHardwareSkinning())
             glBindBufferBase(GL_UNIFORM_BUFFER, 2, SharedGPUObjects::getSkinningUBO());
     }
     irr_driver->getSceneManager()->setActiveCamera(camnode);

src/graphics/shared_gpu_objects.cpp

@@ -223,10 +223,11 @@ void SharedGPUObjects::init()
     initFrustrumVBO();
     initParticleQuadVBO();
     
-    if(CVS->isARBUniformBufferObjectUsable())
+    if (CVS->isARBUniformBufferObjectUsable())
     {
         initShadowVPMUBO();
         initLightingDataUBO();
+        if (CVS->supportsHardwareSkinning())
             initSkinningUBO();
     }
 

src/graphics/vao_manager.hpp

@@ -26,8 +26,6 @@
 #include <map>
 #include <unordered_map>
 
-class RenderInfo;
-
 enum InstanceType
 {
     InstanceTypeThreeTex,