• [FIX] Don't draw skybox to depth buffer
• [FIX] Correctly decrement VRAM usage in stats
• [FIX] Destroy existing texture before setting new with setSource
• [FIX] Exception when trying to play animation with blend mode
• [FIX] Check if pointerlock exists before using it
• Remove some mistakenly global variables (@shaochun)
• Added SCREEN blend mode
• Added more asset type constants (@PsichiX)