michael@0: /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
michael@0: /* vim: set ts=8 sts=4 et sw=4 tw=80: */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef GLCONTEXTEGL_H_
michael@0: #define GLCONTEXTEGL_H_
michael@0: 
michael@0: #include "GLContext.h"
michael@0: #include "GLLibraryEGL.h"
michael@0: 
michael@0: #ifdef MOZ_WIDGET_GONK
michael@0: #include "HwcComposer2D.h"
michael@0: #endif
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace gl {
michael@0: 
michael@0: class GLContextEGL : public GLContext
michael@0: {
michael@0:     friend class TextureImageEGL;
michael@0: 
michael@0:     static already_AddRefed<GLContextEGL>
michael@0:     CreateGLContext(const SurfaceCaps& caps,
michael@0:                     GLContextEGL *shareContext,
michael@0:                     bool isOffscreen,
michael@0:                     EGLConfig config,
michael@0:                     EGLSurface surface);
michael@0: 
michael@0: public:
michael@0:     MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(GLContextEGL)
michael@0:     GLContextEGL(const SurfaceCaps& caps,
michael@0:                  GLContext* shareContext,
michael@0:                  bool isOffscreen,
michael@0:                  EGLConfig config,
michael@0:                  EGLSurface surface,
michael@0:                  EGLContext context);
michael@0: 
michael@0:     ~GLContextEGL();
michael@0: 
michael@0:     virtual GLContextType GetContextType() const MOZ_OVERRIDE { return GLContextType::EGL; }
michael@0: 
michael@0:     static GLContextEGL* Cast(GLContext* gl) {
michael@0:         MOZ_ASSERT(gl->GetContextType() == GLContextType::EGL);
michael@0:         return static_cast<GLContextEGL*>(gl);
michael@0:     }
michael@0: 
michael@0:     bool Init() MOZ_OVERRIDE;
michael@0: 
michael@0:     virtual bool IsDoubleBuffered() const MOZ_OVERRIDE {
michael@0:         return mIsDoubleBuffered;
michael@0:     }
michael@0: 
michael@0:     void SetIsDoubleBuffered(bool aIsDB) {
michael@0:         mIsDoubleBuffered = aIsDB;
michael@0:     }
michael@0: 
michael@0:     virtual bool SupportsRobustness() const MOZ_OVERRIDE {
michael@0:         return sEGLLibrary.HasRobustness();
michael@0:     }
michael@0: 
michael@0:     virtual bool IsANGLE() const MOZ_OVERRIDE {
michael@0:         return sEGLLibrary.IsANGLE();
michael@0:     }
michael@0: 
michael@0:     virtual bool BindTexImage() MOZ_OVERRIDE;
michael@0: 
michael@0:     virtual bool ReleaseTexImage() MOZ_OVERRIDE;
michael@0: 
michael@0:     void SetEGLSurfaceOverride(EGLSurface surf);
michael@0: 
michael@0:     virtual bool MakeCurrentImpl(bool aForce) MOZ_OVERRIDE;
michael@0: 
michael@0:     virtual bool IsCurrent() MOZ_OVERRIDE;
michael@0: 
michael@0:     virtual bool RenewSurface() MOZ_OVERRIDE;
michael@0: 
michael@0:     virtual void ReleaseSurface() MOZ_OVERRIDE;
michael@0: 
michael@0:     virtual bool SetupLookupFunction() MOZ_OVERRIDE;
michael@0: 
michael@0:     virtual bool SwapBuffers() MOZ_OVERRIDE;
michael@0: 
michael@0:     // hold a reference to the given surface
michael@0:     // for the lifetime of this context.
michael@0:     void HoldSurface(gfxASurface *aSurf);
michael@0: 
michael@0:     EGLContext GetEGLContext() {
michael@0:         return mContext;
michael@0:     }
michael@0: 
michael@0:     bool BindTex2DOffscreen(GLContext *aOffscreen);
michael@0:     void UnbindTex2DOffscreen(GLContext *aOffscreen);
michael@0:     void BindOffscreenFramebuffer();
michael@0: 
michael@0:     static already_AddRefed<GLContextEGL>
michael@0:     CreateEGLPixmapOffscreenContext(const gfxIntSize& size);
michael@0: 
michael@0:     static already_AddRefed<GLContextEGL>
michael@0:     CreateEGLPBufferOffscreenContext(const gfxIntSize& size);
michael@0: 
michael@0: protected:
michael@0:     friend class GLContextProviderEGL;
michael@0: 
michael@0:     EGLConfig  mConfig;
michael@0:     EGLSurface mSurface;
michael@0:     EGLSurface mSurfaceOverride;
michael@0:     EGLContext mContext;
michael@0:     nsRefPtr<gfxASurface> mThebesSurface;
michael@0:     bool mBound;
michael@0: 
michael@0:     bool mIsPBuffer;
michael@0:     bool mIsDoubleBuffered;
michael@0:     bool mCanBindToTexture;
michael@0:     bool mShareWithEGLImage;
michael@0: #ifdef MOZ_WIDGET_GONK
michael@0:     nsRefPtr<HwcComposer2D> mHwc;
michael@0: #endif
michael@0:     bool mOwnsContext;
michael@0: 
michael@0:     static EGLSurface CreatePBufferSurfaceTryingPowerOfTwo(EGLConfig config,
michael@0:                                                            EGLenum bindToTextureFormat,
michael@0:                                                            gfxIntSize& pbsize);
michael@0: };
michael@0: 
michael@0: }
michael@0: }
michael@0: 
michael@0: #endif // GLCONTEXTEGL_H_