renderer_vulkan: Parse fetch shader per-pipeline (#1656)

* shader_recompiler: Read image format info directly from sharps instead of storing in shader info.

* renderer_vulkan: Parse fetch shader per-pipeline

* Few minor fixes.

* shader_recompiler: Specialize on vertex attribute number types.

* shader_recompiler: Move GetDrawOffsets to fetch shader

src/shader_recompiler/profile.h

@@ -22,6 +22,7 @@ struct Profile {
     bool support_fp32_denorm_preserve{};
     bool support_fp32_denorm_flush{};
     bool support_explicit_workgroup_layout{};
+    bool support_legacy_vertex_attributes{};
     bool has_broken_spirv_clamp{};
     bool lower_left_origin_mode{};
     bool needs_manual_interpolation{};