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      1 //
      2 // Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
      3 // Use of this source code is governed by a BSD-style license that can be
      4 // found in the LICENSE file.
      5 //
      6 
      7 // SwapChain.h: Defines a back-end specific class that hides the details of the
      8 // implementation-specific swapchain.
      9 
     10 #ifndef LIBGLESV2_RENDERER_SWAPCHAIN_H_
     11 #define LIBGLESV2_RENDERER_SWAPCHAIN_H_
     12 
     13 #include "common/angleutils.h"
     14 
     15 #if !defined(ANGLE_FORCE_VSYNC_OFF)
     16 #define ANGLE_FORCE_VSYNC_OFF 0
     17 #endif
     18 
     19 namespace rx
     20 {
     21 
     22 class SwapChain
     23 {
     24   public:
     25     SwapChain(HWND window, HANDLE shareHandle, GLenum backBufferFormat, GLenum depthBufferFormat)
     26         : mWindow(window), mShareHandle(shareHandle), mBackBufferFormat(backBufferFormat), mDepthBufferFormat(depthBufferFormat)
     27     {
     28     }
     29 
     30     virtual ~SwapChain() {};
     31 
     32     virtual EGLint resize(EGLint backbufferWidth, EGLint backbufferSize) = 0;
     33     virtual EGLint reset(EGLint backbufferWidth, EGLint backbufferHeight, EGLint swapInterval) = 0;
     34     virtual EGLint swapRect(EGLint x, EGLint y, EGLint width, EGLint height) = 0;
     35     virtual void recreate() = 0;
     36 
     37     virtual HANDLE getShareHandle() {return mShareHandle;};
     38 
     39   protected:
     40     const HWND mWindow;            // Window that the surface is created for.
     41     const GLenum mBackBufferFormat;
     42     const GLenum mDepthBufferFormat;
     43 
     44     HANDLE mShareHandle;
     45 };
     46 
     47 }
     48 #endif // LIBGLESV2_RENDERER_SWAPCHAIN_H_
     49