Fixed duplicate sampler state.

src/renderer_d3d11.cpp

@@ -2893,6 +2893,12 @@ BX_PRAGMA_DIAGNOSTIC_POP();
 			const uint32_t index = (_flags & BGFX_TEXTURE_BORDER_COLOR_MASK) >> BGFX_TEXTURE_BORDER_COLOR_SHIFT;
 			_flags &= BGFX_TEXTURE_SAMPLER_BITS_MASK;
 
+			// Force both min+max anisotropic, can't be set individually.
+			_flags |= 0 != (_flags & (BGFX_TEXTURE_MIN_ANISOTROPIC|BGFX_TEXTURE_MAG_ANISOTROPIC) )
+					? BGFX_TEXTURE_MIN_ANISOTROPIC|BGFX_TEXTURE_MAG_ANISOTROPIC
+					: 0
+					;
+
 			uint32_t hash;
 			ID3D11SamplerState* sampler;
 			if (!needBorderColor(_flags) )