Comments; style refactor

graphix.h

source/dx11/GXBlendState.h

source/dx11/GXConstantBuffer.cpp

source/dx11/GXConstantBuffer.h

source/dx11/GXContext.cpp

source/dx11/GXContext.h

source/dx11/GXDepthStencilState.h

source/dx11/GXDepthStencilSurface.h

source/dx11/GXIndexBuffer.h

source/dx11/GXRasterizerState.h

source/dx11/GXRenderBuffer.cpp

source/dx11/GXRenderBuffer.h

source/dx11/GXSamplerState.h

source/dx11/GXShader.h

source/dx11/GXSurface.h

source/dx11/GXSwapChain.cpp

source/dx11/GXSwapChain.h

source/dx11/GXTexture.cpp

source/dx11/GXTexture.h

source/dx11/GXVertexBuffer.h