video_core: Add multipler to handle special cases of texture buffer stride mismatch (#1640)

* page_manager: Enable userfaultfd by default

* Much faster than page faults and causes less problems

* shader_recompiler: Add texel buffer multiplier

* Fixes format mismatch assert when vsharp stride is multiple of format stride

* shader_recompiler: Specialize UBOs on size

* Some games can perform manual vertex pulling and thus bind read only buffers of varying size. We only recompile when the vsharp size is larger than size in shader, in opposite case its not needed

* clang format

src/shader_recompiler/backend/spirv/spirv_emit_context.cpp

@@ -207,6 +207,8 @@ void EmitContext::DefineBufferOffsets() {
                                    push_data_block, ConstU32(half), ConstU32(comp))};
         const Id value{OpLoad(U32[1], ptr)};
         tex_buffer.coord_offset = OpBitFieldUExtract(U32[1], value, ConstU32(offset), ConstU32(6U));
+        tex_buffer.coord_shift =
+            OpBitFieldUExtract(U32[1], value, ConstU32(offset + 6U), ConstU32(2U));
         Name(tex_buffer.coord_offset, fmt::format("texbuf{}_off", binding));
     }
 }