diff --git a/next.json b/next.json
index 27eb7da52b..f6b6ae75e1 100644
--- a/next.json
+++ b/next.json
@@ -1244,7 +1244,8 @@
             {"value": 2, "name": "float r32 g32"},
             {"value": 3, "name": "float r32"},
             {"value": 4, "name": "unorm r8 g8 b8 a8"},
-            {"value": 5, "name": "unorm r8 g8"}
+            {"value": 5, "name": "unorm r8 g8"},
+            {"value": 6, "name": "ushort r16 g16"}
         ]
     },
     "void": {
diff --git a/src/backend/InputState.cpp b/src/backend/InputState.cpp
index 4e0b31b34f..c44172f479 100644
--- a/src/backend/InputState.cpp
+++ b/src/backend/InputState.cpp
@@ -44,6 +44,8 @@ namespace backend {
                 return 2;
             case nxt::VertexFormat::FloatR32:
                 return 1;
+            case nxt::VertexFormat::UshortR16G16:
+                return 2;
             default:
                 UNREACHABLE();
         }
@@ -59,6 +61,8 @@ namespace backend {
             case nxt::VertexFormat::UnormR8G8B8A8:
             case nxt::VertexFormat::UnormR8G8:
                 return sizeof(uint8_t);
+            case nxt::VertexFormat::UshortR16G16:
+                return sizeof(unsigned short);
             default:
                 UNREACHABLE();
         }
diff --git a/src/backend/d3d12/InputStateD3D12.cpp b/src/backend/d3d12/InputStateD3D12.cpp
index 0d5d9f4c82..d2ebfc99a6 100644
--- a/src/backend/d3d12/InputStateD3D12.cpp
+++ b/src/backend/d3d12/InputStateD3D12.cpp
@@ -28,6 +28,8 @@ namespace backend { namespace d3d12 {
                 return DXGI_FORMAT_R32G32_FLOAT;
             case nxt::VertexFormat::FloatR32:
                 return DXGI_FORMAT_R32_FLOAT;
+            case nxt::VertexFormat::UshortR16G16:
+                return DXGI_FORMAT_R16G16_UINT;
             case nxt::VertexFormat::UnormR8G8B8A8:
                 return DXGI_FORMAT_R8G8B8A8_UNORM;
             case nxt::VertexFormat::UnormR8G8:
diff --git a/src/backend/metal/InputStateMTL.mm b/src/backend/metal/InputStateMTL.mm
index 061903dec2..6ef9cde7cf 100644
--- a/src/backend/metal/InputStateMTL.mm
+++ b/src/backend/metal/InputStateMTL.mm
@@ -30,6 +30,8 @@ namespace backend { namespace metal {
                     return MTLVertexFormatFloat2;
                 case nxt::VertexFormat::FloatR32:
                     return MTLVertexFormatFloat;
+                case nxt::VertexFormat::UshortR16G16:
+                    return MTLVertexFormatUShort2;
                 case nxt::VertexFormat::UnormR8G8B8A8:
                     return MTLVertexFormatUChar4Normalized;
                 case nxt::VertexFormat::UnormR8G8:
diff --git a/src/backend/opengl/CommandBufferGL.cpp b/src/backend/opengl/CommandBufferGL.cpp
index 5f361d29bd..2a9f01e5fc 100644
--- a/src/backend/opengl/CommandBufferGL.cpp
+++ b/src/backend/opengl/CommandBufferGL.cpp
@@ -49,6 +49,8 @@ namespace backend { namespace opengl {
                 case nxt::VertexFormat::FloatR32G32:
                 case nxt::VertexFormat::FloatR32:
                     return GL_FLOAT;
+                case nxt::VertexFormat::UshortR16G16:
+                    return GL_UNSIGNED_SHORT;
                 case nxt::VertexFormat::UnormR8G8B8A8:
                 case nxt::VertexFormat::UnormR8G8:
                     return GL_UNSIGNED_BYTE;
@@ -63,6 +65,7 @@ namespace backend { namespace opengl {
                 case nxt::VertexFormat::FloatR32G32B32:
                 case nxt::VertexFormat::FloatR32G32:
                 case nxt::VertexFormat::FloatR32:
+                case nxt::VertexFormat::UshortR16G16:
                     return GL_FALSE;
                 case nxt::VertexFormat::UnormR8G8B8A8:
                 case nxt::VertexFormat::UnormR8G8: