v-2018.Q4.4

Driver installation instruction

2018-12-12 update

New feature and improvement

• Merge tbuffer.store.i32 with tbuffer.store.v2i32 and tbuffer.store.v4i32, up to 5% performance gain for tessellation
• Enable the atomic optimizer
• Update Vulkan headers to 1.1.94
• Enable primitiveUnderestimation capability of VK_EXT_conservative_rasterization

Issue fix

• GPU hang when Vulkan API accesses the stencil aspect of VK_Format_S8_Uint image explicitly
• CTS dEQP-VK.spirv_assembly.instruction.graphics.16bit_storage.struct_mixed_types.uniform_geom failure