Source/ThirdParty/ANGLE/src/libEGL/Surface.h

   1 //
   2 // Copyright (c) 2002-2010 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 // Surface.h: Defines the egl::Surface class, representing a drawing surface
   8 // such as the client area of a window, including any back buffers.
   9 // Implements EGLSurface and related functionality. [EGL 1.4] section 2.2 page 3.
  10
  11 #ifndef INCLUDE_SURFACE_H_
  12 #define INCLUDE_SURFACE_H_
  13
  14 #define EGLAPI
  15 #include <EGL/egl.h>
  16 #include <d3d9.h>
  17
  18 #include "common/angleutils.h"
  19
  20 namespace egl
  21 {
  22 class Display;
  23 class Config;
  24
  25 class Surface
  26 {
  27   public:
  28     Surface(Display *display, const egl::Config *config, HWND window);
  29
  30     ~Surface();
  31
  32     void release();
  33     void resetSwapChain();
  34
  35     HWND getWindowHandle();
  36     bool swap();
  37
  38     virtual EGLint getWidth() const;
  39     virtual EGLint getHeight() const;
  40
  41     virtual IDirect3DSurface9 *getRenderTarget();
  42     virtual IDirect3DSurface9 *getDepthStencil();
  43
  44     void setSwapInterval(EGLint interval);
  45     bool checkForOutOfDateSwapChain();   // Returns true if swapchain changed due to resize or interval update
  46
  47 private:
  48     DISALLOW_COPY_AND_ASSIGN(Surface);
  49
  50     Display *const mDisplay;
  51     IDirect3DSwapChain9 *mSwapChain;
  52     IDirect3DSurface9 *mBackBuffer;
  53     IDirect3DSurface9 *mDepthStencil;
  54     IDirect3DTexture9 *mFlipTexture;
  55
  56     void subclassWindow();
  57     void unsubclassWindow();
  58     void resetSwapChain(int backbufferWidth, int backbufferHeight);
  59     static DWORD convertInterval(EGLint interval);
  60
  61     void applyFlipState(IDirect3DDevice9 *device);
  62     void restoreState(IDirect3DDevice9 *device);
  63     void writeRecordableFlipState(IDirect3DDevice9 *device);
  64     void releaseRecordedState(IDirect3DDevice9 *device);
  65     IDirect3DStateBlock9 *mFlipState;
  66     IDirect3DStateBlock9 *mPreFlipState;
  67     IDirect3DSurface9 *mPreFlipBackBuffer;
  68     IDirect3DSurface9 *mPreFlipDepthStencil;
  69
  70     const HWND mWindow;            // Window that the surface is created for.
  71     bool mWindowSubclassed;        // Indicates whether we successfully subclassed mWindow for WM_RESIZE hooking
  72     const egl::Config *mConfig;    // EGL config surface was created with
  73     EGLint mHeight;                // Height of surface
  74     EGLint mWidth;                 // Width of surface
  75 //  EGLint horizontalResolution;   // Horizontal dot pitch
  76 //  EGLint verticalResolution;     // Vertical dot pitch
  77 //  EGLBoolean largestPBuffer;     // If true, create largest pbuffer possible
  78 //  EGLBoolean mipmapTexture;      // True if texture has mipmaps
  79 //  EGLint mipmapLevel;            // Mipmap level to render to
  80 //  EGLenum multisampleResolve;    // Multisample resolve behavior
  81     EGLint mPixelAspectRatio;      // Display aspect ratio
  82     EGLenum mRenderBuffer;         // Render buffer
  83     EGLenum mSwapBehavior;         // Buffer swap behavior
  84 //  EGLenum textureFormat;         // Format of texture: RGB, RGBA, or no texture
  85 //  EGLenum textureTarget;         // Type of texture: 2D or no texture
  86 //  EGLenum vgAlphaFormat;         // Alpha format for OpenVG
  87 //  EGLenum vgColorSpace;          // Color space for OpenVG
  88     EGLint mSwapInterval;
  89     DWORD mPresentInterval;
  90     bool mPresentIntervalDirty;
  91 };
  92 }
  93
  94 #endif   // INCLUDE_SURFACE_H_