// 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_OPENGL_DEVICEGL_H_
#define DAWNNATIVE_OPENGL_DEVICEGL_H_

#include "dawn_native/dawn_platform.h"

#include "common/Platform.h"
#include "dawn_native/Device.h"
#include "dawn_native/opengl/Forward.h"

#include "glad/glad.h"

#include <queue>

// Remove windows.h macros after glad's include of windows.h
#if defined(DAWN_PLATFORM_WINDOWS)
#    include "common/windows_with_undefs.h"
#endif

namespace dawn_native { namespace opengl {

    class Device : public DeviceBase {
      public:
        Device();
        ~Device();

        void SubmitFenceSync();

        // Dawn API
        BlendStateBase* CreateBlendState(BlendStateBuilder* builder) override;
        CommandBufferBase* CreateCommandBuffer(CommandBufferBuilder* builder) override;
        DepthStencilStateBase* CreateDepthStencilState(DepthStencilStateBuilder* builder) override;
        InputStateBase* CreateInputState(InputStateBuilder* builder) override;
        RenderPassDescriptorBase* CreateRenderPassDescriptor(
            RenderPassDescriptorBuilder* builder) override;
        RenderPipelineBase* CreateRenderPipeline(RenderPipelineBuilder* builder) override;
        SwapChainBase* CreateSwapChain(SwapChainBuilder* builder) override;

        Serial GetCompletedCommandSerial() const final override;
        Serial GetLastSubmittedCommandSerial() const final override;
        void TickImpl() override;

        const dawn_native::PCIInfo& GetPCIInfo() const override;

      private:
        ResultOrError<BindGroupBase*> CreateBindGroupImpl(
            const BindGroupDescriptor* descriptor) override;
        ResultOrError<BindGroupLayoutBase*> CreateBindGroupLayoutImpl(
            const BindGroupLayoutDescriptor* descriptor) override;
        ResultOrError<BufferBase*> CreateBufferImpl(const BufferDescriptor* descriptor) override;
        ResultOrError<ComputePipelineBase*> CreateComputePipelineImpl(
            const ComputePipelineDescriptor* descriptor) override;
        ResultOrError<PipelineLayoutBase*> CreatePipelineLayoutImpl(
            const PipelineLayoutDescriptor* descriptor) override;
        ResultOrError<QueueBase*> CreateQueueImpl() override;
        ResultOrError<SamplerBase*> CreateSamplerImpl(const SamplerDescriptor* descriptor) override;
        ResultOrError<ShaderModuleBase*> CreateShaderModuleImpl(
            const ShaderModuleDescriptor* descriptor) override;
        ResultOrError<TextureBase*> CreateTextureImpl(const TextureDescriptor* descriptor) override;
        ResultOrError<TextureViewBase*> CreateTextureViewImpl(
            TextureBase* texture,
            const TextureViewDescriptor* descriptor) override;
        void CollectPCIInfo();

        void CheckPassedFences();

        Serial mCompletedSerial = 0;
        Serial mLastSubmittedSerial = 0;
        std::queue<std::pair<GLsync, Serial>> mFencesInFlight;

        dawn_native::PCIInfo mPCIInfo;
    };

}}  // namespace dawn_native::opengl

#endif  // DAWNNATIVE_OPENGL_DEVICEGL_H_