1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */ 3 /* This Source Code Form is subject to the terms of the Mozilla Public 4 * License, v. 2.0. If a copy of the MPL was not distributed with this 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 6 7 #ifndef GLCONTEXTEGL_H_ 8 #define GLCONTEXTEGL_H_ 9 10 #include "GLContext.h" 11 #include "GLLibraryEGL.h" 12 #include "nsRegion.h" 13 14 class gfxASurface; 15 namespace mozilla { 16 namespace widget { 17 class CompositorWidget; 18 } // namespace widget 19 namespace gl { 20 21 class GLContextEGL : public GLContext { 22 friend class TextureImageEGL; 23 24 static already_AddRefed<GLContextEGL> CreateGLContext( 25 GLLibraryEGL*, CreateContextFlags flags, const SurfaceCaps& caps, 26 bool isOffscreen, EGLConfig config, EGLSurface surface, 27 const bool useGles, nsACString* const out_failureId); 28 29 public: 30 MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(GLContextEGL, override) 31 GLContextEGL(GLLibraryEGL*, CreateContextFlags flags, const SurfaceCaps& caps, 32 bool isOffscreen, EGLConfig config, EGLSurface surface, 33 EGLContext context); 34 35 ~GLContextEGL(); 36 GetContextType()37 virtual GLContextType GetContextType() const override { 38 return GLContextType::EGL; 39 } 40 Cast(GLContext * gl)41 static GLContextEGL* Cast(GLContext* gl) { 42 MOZ_ASSERT(gl->GetContextType() == GLContextType::EGL); 43 return static_cast<GLContextEGL*>(gl); 44 } 45 46 bool Init() override; 47 IsDoubleBuffered()48 virtual bool IsDoubleBuffered() const override { return mIsDoubleBuffered; } 49 SetIsDoubleBuffered(bool aIsDB)50 void SetIsDoubleBuffered(bool aIsDB) { mIsDoubleBuffered = aIsDB; } 51 IsANGLE()52 virtual bool IsANGLE() const override { return mEgl->IsANGLE(); } IsWARP()53 virtual bool IsWARP() const override { return mEgl->IsWARP(); } 54 55 virtual bool BindTexImage() override; 56 57 virtual bool ReleaseTexImage() override; 58 59 void SetEGLSurfaceOverride(EGLSurface surf); GetEGLSurfaceOverride()60 EGLSurface GetEGLSurfaceOverride() { return mSurfaceOverride; } 61 62 virtual bool MakeCurrentImpl() const override; 63 64 virtual bool IsCurrentImpl() const override; 65 66 virtual bool RenewSurface(widget::CompositorWidget* aWidget) override; 67 68 virtual void ReleaseSurface() override; 69 70 Maybe<SymbolLoader> GetSymbolLoader() const override; 71 72 virtual bool SwapBuffers() override; 73 74 virtual void SetDamage(const nsIntRegion& aDamageRegion) override; 75 76 virtual void GetWSIInfo(nsCString* const out) const override; 77 78 // hold a reference to the given surface 79 // for the lifetime of this context. 80 void HoldSurface(gfxASurface* aSurf); 81 GetEGLSurface()82 EGLSurface GetEGLSurface() const { return mSurface; } 83 84 bool HasBufferAge() const; 85 EGLint GetBufferAge() const; 86 87 bool BindTex2DOffscreen(GLContext* aOffscreen); 88 void UnbindTex2DOffscreen(GLContext* aOffscreen); 89 void BindOffscreenFramebuffer(); 90 91 void Destroy(); 92 93 static already_AddRefed<GLContextEGL> CreateEGLPBufferOffscreenContext( 94 CreateContextFlags flags, const gfx::IntSize& size, 95 const SurfaceCaps& minCaps, nsACString* const out_FailureId); 96 static already_AddRefed<GLContextEGL> CreateEGLPBufferOffscreenContextImpl( 97 CreateContextFlags flags, const gfx::IntSize& size, 98 const SurfaceCaps& minCaps, bool aUseGles, 99 nsACString* const out_FailureId); 100 101 #if defined(MOZ_WAYLAND) || defined(MOZ_WIDGET_ANDROID) 102 static EGLSurface CreateEGLSurfaceForCompositorWidget( 103 widget::CompositorWidget* aCompositorWidget, const EGLConfig aConfig); 104 #endif 105 protected: 106 friend class GLContextProviderEGL; 107 friend class GLContextEGLFactory; 108 109 virtual void OnMarkDestroyed() override; 110 111 public: 112 const RefPtr<GLLibraryEGL> mEgl; 113 const EGLConfig mConfig; 114 const EGLContext mContext; 115 116 protected: 117 EGLSurface mSurface; 118 const EGLSurface mFallbackSurface; 119 120 EGLSurface mSurfaceOverride = EGL_NO_SURFACE; 121 RefPtr<gfxASurface> mThebesSurface; 122 bool mBound = false; 123 124 bool mIsPBuffer = false; 125 bool mIsDoubleBuffered = false; 126 bool mCanBindToTexture = false; 127 bool mShareWithEGLImage = false; 128 bool mOwnsContext = true; 129 130 nsIntRegion mDamageRegion; 131 132 static EGLSurface CreatePBufferSurfaceTryingPowerOfTwo( 133 GLLibraryEGL*, EGLConfig config, EGLenum bindToTextureFormat, 134 gfx::IntSize& pbsize); 135 #if defined(MOZ_WAYLAND) 136 static EGLSurface CreateWaylandBufferSurface(GLLibraryEGL*, EGLConfig config, 137 gfx::IntSize& pbsize); 138 #endif 139 #if defined(MOZ_WIDGET_ANDROID) 140 public: 141 EGLSurface CreateCompatibleSurface(void* aWindow); 142 #endif // defined(MOZ_WIDGET_ANDROID) 143 }; 144 145 bool CreateConfig(GLLibraryEGL* const egl, EGLConfig* aConfig, int32_t depth, 146 bool aEnableDepthBuffer, bool aUseGles); 147 148 } // namespace gl 149 } // namespace mozilla 150 151 #endif // GLCONTEXTEGL_H_ 152