//
// Copyright 2016 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// DisplayNULL.h:
//    Defines the class interface for DisplayNULL, implementing DisplayImpl.
//

#ifndef LIBANGLE_RENDERER_NULL_DISPLAYNULL_H_
#define LIBANGLE_RENDERER_NULL_DISPLAYNULL_H_

#include "libANGLE/renderer/DisplayImpl.h"
#include "libANGLE/renderer/ShareGroupImpl.h"

namespace rx
{
class ShareGroupNULL : public ShareGroupImpl
{
  public:
    ShareGroupNULL(const egl::ShareGroupState &state) : ShareGroupImpl(state) {}
};

class AllocationTrackerNULL;

class ThreadSafeDisplayNULL : public ThreadSafeDisplayImpl
{
  public:
    ThreadSafeDisplayNULL()           = default;
    ~ThreadSafeDisplayNULL() override = default;

    bool testDeviceLost() override;
    egl::Error restoreLostDevice(const egl::ThreadSafeDisplay *display) override;

  private:
};

class DisplayNULL : public DisplayImpl, public ThreadSafeDisplayNULL
{
  public:
    DisplayNULL(const egl::DisplayState &state);
    ~DisplayNULL() override;

    egl::Error initialize(egl::Display *display) override;
    void terminate() override;

    egl::Error makeCurrent(egl::Display *display,
                           egl::Surface *drawSurface,
                           egl::Surface *readSurface,
                           gl::Context *context) override;

    egl::ConfigSet generateConfigs() override;

    bool isValidNativeWindow(EGLNativeWindowType window) const override;

    std::string getRendererDescription() override;
    std::string getVendorString() override;
    std::string getVersionString(bool includeFullVersion) override;

    DeviceImpl *createDevice() override;

    egl::Error waitClient(const gl::Context *context) override;
    egl::Error waitNative(const gl::Context *context, EGLint engine) override;
    gl::Version getMaxSupportedESVersion() const override;
    gl::Version getMaxConformantESVersion() const override;

    SurfaceImpl *createWindowSurface(const egl::SurfaceState &state,
                                     EGLNativeWindowType window,
                                     const egl::AttributeMap &attribs) override;
    SurfaceImpl *createPbufferSurface(const egl::SurfaceState &state,
                                      const egl::AttributeMap &attribs) override;
    SurfaceImpl *createPbufferFromClientBuffer(const egl::SurfaceState &state,
                                               EGLenum buftype,
                                               EGLClientBuffer buffer,
                                               const egl::AttributeMap &attribs) override;
    SurfaceImpl *createPixmapSurface(const egl::SurfaceState &state,
                                     NativePixmapType nativePixmap,
                                     const egl::AttributeMap &attribs) override;

    ImageImpl *createImage(const egl::ImageState &state,
                           const gl::Context *context,
                           EGLenum target,
                           const egl::AttributeMap &attribs) override;

    ContextImpl *createContext(const gl::State &state,
                               gl::ErrorSet *errorSet,
                               const egl::Config *configuration,
                               const gl::Context *shareContext,
                               const egl::AttributeMap &attribs) override;

    StreamProducerImpl *createStreamProducerD3DTexture(egl::Stream::ConsumerType consumerType,
                                                       const egl::AttributeMap &attribs) override;

    ShareGroupImpl *createShareGroup(const egl::ShareGroupState &state) override;

    void populateFeatureList(angle::FeatureList *features) override {}

    ThreadSafeDisplayImpl *getThreadSafeDisplayImpl() override { return this; }

  private:
    void generateExtensions(egl::DisplayExtensions *outExtensions) const override;
    void generateCaps(egl::Caps *outCaps) const override;

    std::unique_ptr<AllocationTrackerNULL> mAllocationTracker;
};

}  // namespace rx

#endif  // LIBANGLE_RENDERER_NULL_DISPLAYNULL_H_