Grow the VertexState inputs in SetPipeline

adamnemecek · Dec 7, 2020 · 713c23b · 713c23b
1 parent 7b886f4
commit 713c23b
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/wgpu-core/src/command/render.rs b/wgpu-core/src/command/render.rs
@@ -1164,14 +1164,17 @@ impl<G: GlobalIdentityHandlerFactory> Global<G> {
 
                     state.index.pipeline_format = pipeline.index_format;
 
+                    let vertex_strides_len = pipeline.vertex_strides.len();
+                    while state.vertex.inputs.len() < vertex_strides_len {
+                        state.vertex.inputs.push(VertexBufferState::EMPTY);
+                    }
                     // Update vertex buffer limits
                     for (vbs, &(stride, rate)) in
                         state.vertex.inputs.iter_mut().zip(&pipeline.vertex_strides)
                     {
                         vbs.stride = stride;
                         vbs.rate = rate;
                     }
-                    let vertex_strides_len = pipeline.vertex_strides.len();
                     for vbs in state.vertex.inputs.iter_mut().skip(vertex_strides_len) {
                         vbs.stride = 0;
                         vbs.rate = InputStepMode::Vertex;