Do not require vertexInput in GPURenderPipelineDescriptor (gpuweb#378)

beaufortfrancois · kainino0x · commit cb3f5db04178 · 2019-08-27T13:21:53.000-07:00
diff --git a/spec/index.bs b/spec/index.bs
@@ -679,7 +679,7 @@ dictionary GPURenderPipelineDescriptor : GPUPipelineDescriptorBase {
     GPURasterizationStateDescriptor rasterizationState;
     required sequence<GPUColorStateDescriptor> colorStates;
     GPUDepthStencilStateDescriptor depthStencilState;
-    required GPUVertexInputDescriptor vertexInput;
+    GPUVertexInputDescriptor vertexInput = {};
 
     unsigned long sampleCount = 1;
     unsigned long sampleMask = 0xFFFFFFFF;
@@ -919,7 +919,7 @@ dictionary GPUVertexBufferDescriptor {
 <script type=idl>
 dictionary GPUVertexInputDescriptor {
     GPUIndexFormat indexFormat = "uint32";
-    required sequence<GPUVertexBufferDescriptor?> vertexBuffers;
+    sequence<GPUVertexBufferDescriptor?> vertexBuffers = [];
 };
 </script>
 
