src/dawn/node/binding/GPURenderPassEncoder.h

// Copyright 2021 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 SRC_DAWN_NODE_BINDING_GPURENDERPASSENCODER_H_
#define SRC_DAWN_NODE_BINDING_GPURENDERPASSENCODER_H_

#include <string>
#include <vector>

#include "dawn/native/DawnNative.h"
#include "dawn/webgpu_cpp.h"
#include "src/dawn/node/interop/Napi.h"
#include "src/dawn/node/interop/WebGPU.h"

namespace wgpu::binding {

// GPURenderPassEncoder is an implementation of interop::GPURenderPassEncoder that wraps a
// wgpu::RenderPassEncoder.
class GPURenderPassEncoder final : public interop::GPURenderPassEncoder {
  public:
    explicit GPURenderPassEncoder(wgpu::RenderPassEncoder enc);

    // Implicit cast operator to Dawn GPU object
    inline operator const wgpu::RenderPassEncoder&() const { return enc_; }

    // interop::GPURenderPassEncoder interface compliance
    void setViewport(Napi::Env,
                     float x,
                     float y,
                     float width,
                     float height,
                     float minDepth,
                     float maxDepth) override;
    void setScissorRect(Napi::Env,
                        interop::GPUIntegerCoordinate x,
                        interop::GPUIntegerCoordinate y,
                        interop::GPUIntegerCoordinate width,
                        interop::GPUIntegerCoordinate height) override;
    void setBlendConstant(Napi::Env, interop::GPUColor color) override;
    void setStencilReference(Napi::Env, interop::GPUStencilValue reference) override;
    void beginOcclusionQuery(Napi::Env, interop::GPUSize32 queryIndex) override;
    void endOcclusionQuery(Napi::Env) override;
    void executeBundles(Napi::Env,
                        std::vector<interop::Interface<interop::GPURenderBundle>> bundles) override;
    void end(Napi::Env) override;
    void setBindGroup(Napi::Env,
                      interop::GPUIndex32 index,
                      interop::Interface<interop::GPUBindGroup> bindGroup,
                      std::vector<interop::GPUBufferDynamicOffset> dynamicOffsets) override;
    void setBindGroup(Napi::Env,
                      interop::GPUIndex32 index,
                      interop::Interface<interop::GPUBindGroup> bindGroup,
                      interop::Uint32Array dynamicOffsetsData,
                      interop::GPUSize64 dynamicOffsetsDataStart,
                      interop::GPUSize32 dynamicOffsetsDataLength) override;
    void pushDebugGroup(Napi::Env, std::string groupLabel) override;
    void popDebugGroup(Napi::Env) override;
    void insertDebugMarker(Napi::Env, std::string markerLabel) override;
    void setPipeline(Napi::Env, interop::Interface<interop::GPURenderPipeline> pipeline) override;
    void setIndexBuffer(Napi::Env,
                        interop::Interface<interop::GPUBuffer> buffer,
                        interop::GPUIndexFormat indexFormat,
                        interop::GPUSize64 offset,
                        std::optional<interop::GPUSize64> size) override;
    void setVertexBuffer(Napi::Env,
                         interop::GPUIndex32 slot,
                         interop::Interface<interop::GPUBuffer> buffer,
                         interop::GPUSize64 offset,
                         std::optional<interop::GPUSize64> size) override;
    void draw(Napi::Env,
              interop::GPUSize32 vertexCount,
              interop::GPUSize32 instanceCount,
              interop::GPUSize32 firstVertex,
              interop::GPUSize32 firstInstance) override;
    void drawIndexed(Napi::Env,
                     interop::GPUSize32 indexCount,
                     interop::GPUSize32 instanceCount,
                     interop::GPUSize32 firstIndex,
                     interop::GPUSignedOffset32 baseVertex,
                     interop::GPUSize32 firstInstance) override;
    void drawIndirect(Napi::Env,
                      interop::Interface<interop::GPUBuffer> indirectBuffer,
                      interop::GPUSize64 indirectOffset) override;
    void drawIndexedIndirect(Napi::Env,
                             interop::Interface<interop::GPUBuffer> indirectBuffer,
                             interop::GPUSize64 indirectOffset) override;
    std::string getLabel(Napi::Env) override;
    void setLabel(Napi::Env, std::string value) override;

  private:
    wgpu::RenderPassEncoder enc_;
};

}  // namespace wgpu::binding

#endif  // SRC_DAWN_NODE_BINDING_GPURENDERPASSENCODER_H_