I actually don't usually recommend this, but try reinstalling. It seems a shader file is corrupted or something, I've never really seen that happen before.
Error: Texture->Map failed: 0x887a0005 0x887a0020
Your video driver reported an internal error. Please check for possible hardware / driver issues. This error can also occur if you have enabled opencl in x264 custom settings.
This means your GPU isn't stable. Upgrade / downgrade drivers or replace faulty hardware.