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//
// Copyright (c) 2012 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.
//

// SwapChain9.h: Defines a back-end specific class for the D3D9 swap chain.

#ifndef LIBANGLE_RENDERER_D3D_D3D9_SWAPCHAIN9_H_
#define LIBANGLE_RENDERER_D3D_D3D9_SWAPCHAIN9_H_

#include "common/angleutils.h"
#include "libANGLE/renderer/d3d/SwapChainD3D.h"
#include "libANGLE/renderer/d3d/d3d9/RenderTarget9.h"

namespace rx
{
class NativeWindow9;
class Renderer9;

class SwapChain9 : public SwapChainD3D
{
  public:
    SwapChain9(Renderer9 *renderer,
               NativeWindow9 *nativeWindow,
               HANDLE shareHandle,
               IUnknown *d3dTexture,
               GLenum backBufferFormat,
               GLenum depthBufferFormat,
               EGLint orientation);
    virtual ~SwapChain9();

    EGLint resize(EGLint backbufferWidth, EGLint backbufferHeight);
    virtual EGLint reset(EGLint backbufferWidth, EGLint backbufferHeight, EGLint swapInterval);
    virtual EGLint swapRect(EGLint x, EGLint y, EGLint width, EGLint height);
    virtual void recreate();

    RenderTargetD3D *getColorRenderTarget() override { return &mColorRenderTarget; }
    RenderTargetD3D *getDepthStencilRenderTarget() override { return &mDepthStencilRenderTarget; }

    virtual IDirect3DSurface9 *getRenderTarget();
    virtual IDirect3DSurface9 *getDepthStencil();
    virtual IDirect3DTexture9 *getOffscreenTexture();

    EGLint getWidth() const { return mWidth; }
    EGLint getHeight() const { return mHeight; }

    void *getKeyedMutex() override;

  private:
    void release();

    Renderer9 *mRenderer;
    EGLint mWidth;
    EGLint mHeight;
    EGLint mSwapInterval;

    NativeWindow9 *mNativeWindow;

    IDirect3DSwapChain9 *mSwapChain;
    IDirect3DSurface9 *mBackBuffer;
    IDirect3DSurface9 *mRenderTarget;
    IDirect3DSurface9 *mDepthStencil;
    IDirect3DTexture9* mOffscreenTexture;

    SurfaceRenderTarget9 mColorRenderTarget;
    SurfaceRenderTarget9 mDepthStencilRenderTarget;
};

}
#endif // LIBANGLE_RENDERER_D3D_D3D9_SWAPCHAIN9_H_