OpenGL Intel - Workaround for warning spam or even crash with actual framebuffer code, remove when implemented TGL layer.
OpenGL Intel - Fix a error on DOF_DownSample_P.glsl.
Workaround for OpenGL terrain blend on Intel drivers.
Fix glowBlurP.glsl shader.
Merge pull request #1083 from BeamNG/opengl_intel_WIP

Fix/walkaround for OpenGL on Intel