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Diffstat (limited to 'gfx/gl/GLContextEGL.h')
-rw-r--r-- | gfx/gl/GLContextEGL.h | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/gfx/gl/GLContextEGL.h b/gfx/gl/GLContextEGL.h new file mode 100644 index 000000000..9755ecfe7 --- /dev/null +++ b/gfx/gl/GLContextEGL.h @@ -0,0 +1,142 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* vim: set ts=8 sts=4 et sw=4 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef GLCONTEXTEGL_H_ +#define GLCONTEXTEGL_H_ + +#include "GLContext.h" +#include "GLLibraryEGL.h" + +namespace mozilla { +namespace gl { + +class GLContextEGL : public GLContext +{ + friend class TextureImageEGL; + + static already_AddRefed<GLContextEGL> + CreateGLContext(CreateContextFlags flags, + const SurfaceCaps& caps, + GLContextEGL* shareContext, + bool isOffscreen, + EGLConfig config, + EGLSurface surface, + nsACString* const out_failureId); + +public: + MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(GLContextEGL, override) + GLContextEGL(CreateContextFlags flags, + const SurfaceCaps& caps, + GLContext* shareContext, + bool isOffscreen, + EGLConfig config, + EGLSurface surface, + EGLContext context); + + ~GLContextEGL(); + + virtual GLContextType GetContextType() const override { return GLContextType::EGL; } + + static GLContextEGL* Cast(GLContext* gl) { + MOZ_ASSERT(gl->GetContextType() == GLContextType::EGL); + return static_cast<GLContextEGL*>(gl); + } + + static EGLSurface CreateSurfaceForWindow(nsIWidget* aWidget); + + static void DestroySurface(EGLSurface aSurface); + + bool Init() override; + + virtual bool IsDoubleBuffered() const override { + return mIsDoubleBuffered; + } + + void SetIsDoubleBuffered(bool aIsDB) { + mIsDoubleBuffered = aIsDB; + } + + virtual bool SupportsRobustness() const override { + return sEGLLibrary.HasRobustness(); + } + + virtual bool IsANGLE() const override { + return sEGLLibrary.IsANGLE(); + } + + virtual bool IsWARP() const override { + return sEGLLibrary.IsWARP(); + } + + virtual bool BindTexImage() override; + + virtual bool ReleaseTexImage() override; + + void SetEGLSurfaceOverride(EGLSurface surf); + + virtual bool MakeCurrentImpl(bool aForce) override; + + virtual bool IsCurrent() override; + + virtual bool RenewSurface(nsIWidget* aWidget) override; + + virtual void ReleaseSurface() override; + + virtual bool SetupLookupFunction() override; + + virtual bool SwapBuffers() override; + + // hold a reference to the given surface + // for the lifetime of this context. + void HoldSurface(gfxASurface* aSurf); + + EGLSurface GetEGLSurface() const { + return mSurface; + } + + EGLDisplay GetEGLDisplay() const { + return sEGLLibrary.Display(); + } + + bool BindTex2DOffscreen(GLContext* aOffscreen); + void UnbindTex2DOffscreen(GLContext* aOffscreen); + void BindOffscreenFramebuffer(); + + static already_AddRefed<GLContextEGL> + CreateEGLPBufferOffscreenContext(CreateContextFlags flags, + const gfx::IntSize& size, + const SurfaceCaps& minCaps, + nsACString* const out_FailureId); + +protected: + friend class GLContextProviderEGL; + +public: + const EGLConfig mConfig; +protected: + EGLSurface mSurface; +public: + const EGLContext mContext; +protected: + EGLSurface mSurfaceOverride; + RefPtr<gfxASurface> mThebesSurface; + bool mBound; + + bool mIsPBuffer; + bool mIsDoubleBuffered; + bool mCanBindToTexture; + bool mShareWithEGLImage; + bool mOwnsContext; + + static EGLSurface CreatePBufferSurfaceTryingPowerOfTwo(EGLConfig config, + EGLenum bindToTextureFormat, + gfx::IntSize& pbsize); +}; + +} // namespace gl +} // namespace mozilla + +#endif // GLCONTEXTEGL_H_ |