Add precompiled versions of D3D11 display shaders

src/frontend-common/display_vs.hlsl

@@ -0,0 +1,13 @@
+cbuffer UBOBlock : register(b0)
+{
+  float4 u_src_rect;
+};
+
+void main(in uint vertex_id : SV_VertexID,
+          out float2 v_tex0 : TEXCOORD0,
+          out float4 o_pos : SV_Position)
+{
+  float2 pos = float2(float((vertex_id << 1) & 2u), float(vertex_id & 2u));
+  v_tex0 = u_src_rect.xy + pos * u_src_rect.zw;
+  o_pos = float4(pos * float2(2.0f, -2.0f) + float2(-1.0f, 1.0f), 0.0f, 1.0f);
+}