1 // 2 // Copyright (c) 2002-2013 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 // Display.h: Defines the egl::Display class, representing the abstract 8 // display on which graphics are drawn. Implements EGLDisplay. 9 // [EGL 1.4] section 2.1.2 page 3. 10 11 #ifndef LIBEGL_DISPLAY_H_ 12 #define LIBEGL_DISPLAY_H_ 13 14 #include <set> 15 #include <vector> 16 17 #include "libEGL/Config.h" 18 19 namespace gl 20 { 21 class Context; 22 } 23 24 namespace egl 25 { 26 class Surface; 27 28 class Display 29 { 30 public: 31 ~Display(); 32 33 bool initialize(); 34 void terminate(); 35 36 static egl::Display *getDisplay(EGLNativeDisplayType displayId, EGLint displayType); 37 38 static const char *getExtensionString(egl::Display *display); 39 40 static bool supportsPlatformD3D(); 41 static bool supportsPlatformOpenGL(); 42 43 bool getConfigs(EGLConfig *configs, const EGLint *attribList, EGLint configSize, EGLint *numConfig); 44 bool getConfigAttrib(EGLConfig config, EGLint attribute, EGLint *value); 45 46 EGLSurface createWindowSurface(HWND window, EGLConfig config, const EGLint *attribList); 47 EGLSurface createOffscreenSurface(EGLConfig config, HANDLE shareHandle, const EGLint *attribList); 48 EGLContext createContext(EGLConfig configHandle, EGLint clientVersion, const gl::Context *shareContext, bool notifyResets, bool robustAccess); 49 50 void destroySurface(egl::Surface *surface); 51 void destroyContext(gl::Context *context); 52 53 bool isInitialized() const; 54 bool isValidConfig(EGLConfig config); 55 bool isValidContext(gl::Context *context); 56 bool isValidSurface(egl::Surface *surface); 57 bool hasExistingWindowSurface(HWND window); 58 59 rx::Renderer *getRenderer() { return mRenderer; }; 60 61 // exported methods must be virtual 62 virtual void notifyDeviceLost(); 63 virtual void recreateSwapChains(); 64 65 const char *getExtensionString() const; 66 const char *getVendorString() const; 67 68 private: 69 DISALLOW_COPY_AND_ASSIGN(Display); 70 71 Display(EGLNativeDisplayType displayId, EGLint displayType); 72 73 bool restoreLostDevice(); 74 75 EGLNativeDisplayType mDisplayId; 76 EGLint mRequestedDisplayType; 77 78 typedef std::set<Surface*> SurfaceSet; 79 SurfaceSet mSurfaceSet; 80 81 ConfigSet mConfigSet; 82 83 typedef std::set<gl::Context*> ContextSet; 84 ContextSet mContextSet; 85 86 rx::Renderer *mRenderer; 87 88 static std::string generateClientExtensionString(); 89 90 void initDisplayExtensionString(); 91 std::string mDisplayExtensionString; 92 93 void initVendorString(); 94 std::string mVendorString; 95 }; 96 } 97 98 #endif // LIBEGL_DISPLAY_H_ 99
