text: // Copyright 2018 The Dawn Authors
  //
  // Licensed under the Apache License, Version 2.0 (the "License");
  // you may not use this file except in compliance with the License.
  // You may obtain a copy of the License at
  //
  //     http://www.apache.org/licenses/LICENSE-2.0
  //
  // Unless required by applicable law or agreed to in writing, software
  // distributed under the License is distributed on an "AS IS" BASIS,
  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  // See the License for the specific language governing permissions and
  // limitations under the License.
  
  #ifndef DAWNNATIVE_RENDERPASSENCODER_H_
  #define DAWNNATIVE_RENDERPASSENCODER_H_
  
  #include "dawn_native/Error.h"
  #include "dawn_native/RenderEncoderBase.h"
  
  namespace dawn_native {
  
      class RenderBundleBase;
  
      class RenderPassEncoder final : public RenderEncoderBase {
        public:
          RenderPassEncoder(DeviceBase* device,
                            CommandEncoder* commandEncoder,
                            EncodingContext* encodingContext,
                            PassResourceUsageTracker usageTracker);
  
          static RenderPassEncoder* MakeError(DeviceBase* device,
                                              CommandEncoder* commandEncoder,
                                              EncodingContext* encodingContext);
  
          void EndPass();
  
          void SetStencilReference(uint32_t reference);
          void SetBlendColor(const Color* color);
          void SetViewport(float x,
                           float y,
                           float width,
                           float height,
                           float minDepth,
                           float maxDepth);
          void SetScissorRect(uint32_t x, uint32_t y, uint32_t width, uint32_t height);
          void ExecuteBundles(uint32_t count, RenderBundleBase* const* renderBundles);
  
        protected:
          RenderPassEncoder(DeviceBase* device,
                            CommandEncoder* commandEncoder,
                            EncodingContext* encodingContext,
                            ErrorTag errorTag);
  
        private:
          // For render and compute passes, the encoding context is borrowed from the command encoder.
          // Keep a reference to the encoder to make sure the context isn't freed.
          Ref<CommandEncoder> mCommandEncoder;
      };
  
  }  // namespace dawn_native
  
  #endif  // DAWNNATIVE_RENDERPASSENCODER_H_
  