Implement GPURenderPassEncoder

Add webidls for GPURenderPassEncoder and  GPURenderEncoderBase and
implement relevant methods.

1 files changed, 46 insertions, 1 deletions

diff --git a/components/script/dom/webidls/GPUCommandEncoder.webidl b/components/script/dom/webidls/GPUCommandEncoder.webidl
index f6801e46e96..6892c5393af 100644
--- a/components/script/dom/webidls/GPUCommandEncoder.webidl
+++ b/components/script/dom/webidls/GPUCommandEncoder.webidl
@@ -5,7 +5,7 @@
 // https://gpuweb.github.io/gpuweb/#gpucommandencoder
 [Exposed=(Window, DedicatedWorker), Serializable, Pref="dom.webgpu.enabled"]
 interface GPUCommandEncoder {
-    // GPURenderPassEncoder beginRenderPass(GPURenderPassDescriptor descriptor);
+    GPURenderPassEncoder beginRenderPass(GPURenderPassDescriptor descriptor);
     GPUComputePassEncoder beginComputePass(optional GPUComputePassDescriptor descriptor = {});
 
     void copyBufferToBuffer(
@@ -43,3 +43,48 @@ dictionary GPUComputePassDescriptor : GPUObjectDescriptorBase {
 
 dictionary GPUCommandBufferDescriptor : GPUObjectDescriptorBase {
 };
+
+dictionary GPURenderPassDescriptor : GPUObjectDescriptorBase {
+    required sequence<GPURenderPassColorAttachmentDescriptor> colorAttachments;
+    GPURenderPassDepthStencilAttachmentDescriptor depthStencilAttachment;
+    //GPUQuerySet occlusionQuerySet;
+};
+
+dictionary GPURenderPassColorAttachmentDescriptor {
+    required GPUTextureView attachment;
+    GPUTextureView resolveTarget;
+
+    required (GPULoadOp or GPUColor) loadValue;
+    GPUStoreOp storeOp = "store";
+};
+
+dictionary GPURenderPassDepthStencilAttachmentDescriptor {
+    required GPUTextureView attachment;
+
+    required (GPULoadOp or float) depthLoadValue;
+    required GPUStoreOp depthStoreOp;
+    boolean depthReadOnly = false;
+
+    required GPUStencilLoadValue stencilLoadValue;
+    required GPUStoreOp stencilStoreOp;
+    boolean stencilReadOnly = false;
+};
+
+typedef (GPULoadOp or GPUStencilValue) GPUStencilLoadValue;
+
+enum GPULoadOp {
+    "load"
+};
+
+enum GPUStoreOp {
+    "store",
+    "clear"
+};
+
+dictionary GPUColorDict {
+    required double r;
+    required double g;
+    required double b;
+    required double a;
+};
+typedef (sequence<double> or GPUColorDict) GPUColor;