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comparison: gfx/angle/src/libEGL/Surface.h
gfx/angle/src/libEGL/Surface.h
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- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:e1ee35b8b0a1 |
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| 1 // | |
| 2 // Copyright (c) 2002-2012 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 // 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 LIBEGL_SURFACE_H_ | |
| 12 #define LIBEGL_SURFACE_H_ | |
| 13 | |
| 14 #define EGLAPI | |
| 15 #include <EGL/egl.h> | |
| 16 | |
| 17 #include "common/angleutils.h" | |
| 18 | |
| 19 namespace gl | |
| 20 { | |
| 21 class Texture2D; | |
| 22 } | |
| 23 namespace rx | |
| 24 { | |
| 25 class Renderer; | |
| 26 class SwapChain; | |
| 27 } | |
| 28 | |
| 29 namespace egl | |
| 30 { | |
| 31 class Display; | |
| 32 class Config; | |
| 33 | |
| 34 class Surface | |
| 35 { | |
| 36 public: | |
| 37 Surface(Display *display, const egl::Config *config, HWND window, EGLint postSubBufferSupported); | |
| 38 Surface(Display *display, const egl::Config *config, HANDLE shareHandle, EGLint width, EGLint height, EGLenum textureFormat, EGLenum textureTarget); | |
| 39 | |
| 40 ~Surface(); | |
| 41 | |
| 42 bool initialize(); | |
| 43 void release(); | |
| 44 bool resetSwapChain(); | |
| 45 | |
| 46 HWND getWindowHandle(); | |
| 47 bool swap(); | |
| 48 bool postSubBuffer(EGLint x, EGLint y, EGLint width, EGLint height); | |
| 49 | |
| 50 virtual EGLint getWidth() const; | |
| 51 virtual EGLint getHeight() const; | |
| 52 | |
| 53 virtual EGLint isPostSubBufferSupported() const; | |
| 54 | |
| 55 virtual rx::SwapChain *getSwapChain() const; | |
| 56 | |
| 57 void setSwapInterval(EGLint interval); | |
| 58 bool checkForOutOfDateSwapChain(); // Returns true if swapchain changed due to resize or interval update | |
| 59 | |
| 60 virtual EGLenum getTextureFormat() const; | |
| 61 virtual EGLenum getTextureTarget() const; | |
| 62 virtual EGLenum getFormat() const; | |
| 63 | |
| 64 virtual void setBoundTexture(gl::Texture2D *texture); | |
| 65 virtual gl::Texture2D *getBoundTexture() const; | |
| 66 | |
| 67 private: | |
| 68 DISALLOW_COPY_AND_ASSIGN(Surface); | |
| 69 | |
| 70 Display *const mDisplay; | |
| 71 rx::Renderer *mRenderer; | |
| 72 | |
| 73 HANDLE mShareHandle; | |
| 74 rx::SwapChain *mSwapChain; | |
| 75 | |
| 76 void subclassWindow(); | |
| 77 void unsubclassWindow(); | |
| 78 bool resizeSwapChain(int backbufferWidth, int backbufferHeight); | |
| 79 bool resetSwapChain(int backbufferWidth, int backbufferHeight); | |
| 80 bool swapRect(EGLint x, EGLint y, EGLint width, EGLint height); | |
| 81 | |
| 82 const HWND mWindow; // Window that the surface is created for. | |
| 83 bool mWindowSubclassed; // Indicates whether we successfully subclassed mWindow for WM_RESIZE hooking | |
| 84 const egl::Config *mConfig; // EGL config surface was created with | |
| 85 EGLint mHeight; // Height of surface | |
| 86 EGLint mWidth; // Width of surface | |
| 87 // EGLint horizontalResolution; // Horizontal dot pitch | |
| 88 // EGLint verticalResolution; // Vertical dot pitch | |
| 89 // EGLBoolean largestPBuffer; // If true, create largest pbuffer possible | |
| 90 // EGLBoolean mipmapTexture; // True if texture has mipmaps | |
| 91 // EGLint mipmapLevel; // Mipmap level to render to | |
| 92 // EGLenum multisampleResolve; // Multisample resolve behavior | |
| 93 EGLint mPixelAspectRatio; // Display aspect ratio | |
| 94 EGLenum mRenderBuffer; // Render buffer | |
| 95 EGLenum mSwapBehavior; // Buffer swap behavior | |
| 96 EGLenum mTextureFormat; // Format of texture: RGB, RGBA, or no texture | |
| 97 EGLenum mTextureTarget; // Type of texture: 2D or no texture | |
| 98 // EGLenum vgAlphaFormat; // Alpha format for OpenVG | |
| 99 // EGLenum vgColorSpace; // Color space for OpenVG | |
| 100 EGLint mSwapInterval; | |
| 101 EGLint mPostSubBufferSupported; | |
| 102 | |
| 103 bool mSwapIntervalDirty; | |
| 104 gl::Texture2D *mTexture; | |
| 105 }; | |
| 106 } | |
| 107 | |
| 108 #endif // LIBEGL_SURFACE_H_ |
