1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/gl/GLContextEGL.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,130 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
1.5 +/* vim: set ts=8 sts=4 et sw=4 tw=80: */
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#ifndef GLCONTEXTEGL_H_
1.11 +#define GLCONTEXTEGL_H_
1.12 +
1.13 +#include "GLContext.h"
1.14 +#include "GLLibraryEGL.h"
1.15 +
1.16 +#ifdef MOZ_WIDGET_GONK
1.17 +#include "HwcComposer2D.h"
1.18 +#endif
1.19 +
1.20 +namespace mozilla {
1.21 +namespace gl {
1.22 +
1.23 +class GLContextEGL : public GLContext
1.24 +{
1.25 + friend class TextureImageEGL;
1.26 +
1.27 + static already_AddRefed<GLContextEGL>
1.28 + CreateGLContext(const SurfaceCaps& caps,
1.29 + GLContextEGL *shareContext,
1.30 + bool isOffscreen,
1.31 + EGLConfig config,
1.32 + EGLSurface surface);
1.33 +
1.34 +public:
1.35 + MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(GLContextEGL)
1.36 + GLContextEGL(const SurfaceCaps& caps,
1.37 + GLContext* shareContext,
1.38 + bool isOffscreen,
1.39 + EGLConfig config,
1.40 + EGLSurface surface,
1.41 + EGLContext context);
1.42 +
1.43 + ~GLContextEGL();
1.44 +
1.45 + virtual GLContextType GetContextType() const MOZ_OVERRIDE { return GLContextType::EGL; }
1.46 +
1.47 + static GLContextEGL* Cast(GLContext* gl) {
1.48 + MOZ_ASSERT(gl->GetContextType() == GLContextType::EGL);
1.49 + return static_cast<GLContextEGL*>(gl);
1.50 + }
1.51 +
1.52 + bool Init() MOZ_OVERRIDE;
1.53 +
1.54 + virtual bool IsDoubleBuffered() const MOZ_OVERRIDE {
1.55 + return mIsDoubleBuffered;
1.56 + }
1.57 +
1.58 + void SetIsDoubleBuffered(bool aIsDB) {
1.59 + mIsDoubleBuffered = aIsDB;
1.60 + }
1.61 +
1.62 + virtual bool SupportsRobustness() const MOZ_OVERRIDE {
1.63 + return sEGLLibrary.HasRobustness();
1.64 + }
1.65 +
1.66 + virtual bool IsANGLE() const MOZ_OVERRIDE {
1.67 + return sEGLLibrary.IsANGLE();
1.68 + }
1.69 +
1.70 + virtual bool BindTexImage() MOZ_OVERRIDE;
1.71 +
1.72 + virtual bool ReleaseTexImage() MOZ_OVERRIDE;
1.73 +
1.74 + void SetEGLSurfaceOverride(EGLSurface surf);
1.75 +
1.76 + virtual bool MakeCurrentImpl(bool aForce) MOZ_OVERRIDE;
1.77 +
1.78 + virtual bool IsCurrent() MOZ_OVERRIDE;
1.79 +
1.80 + virtual bool RenewSurface() MOZ_OVERRIDE;
1.81 +
1.82 + virtual void ReleaseSurface() MOZ_OVERRIDE;
1.83 +
1.84 + virtual bool SetupLookupFunction() MOZ_OVERRIDE;
1.85 +
1.86 + virtual bool SwapBuffers() MOZ_OVERRIDE;
1.87 +
1.88 + // hold a reference to the given surface
1.89 + // for the lifetime of this context.
1.90 + void HoldSurface(gfxASurface *aSurf);
1.91 +
1.92 + EGLContext GetEGLContext() {
1.93 + return mContext;
1.94 + }
1.95 +
1.96 + bool BindTex2DOffscreen(GLContext *aOffscreen);
1.97 + void UnbindTex2DOffscreen(GLContext *aOffscreen);
1.98 + void BindOffscreenFramebuffer();
1.99 +
1.100 + static already_AddRefed<GLContextEGL>
1.101 + CreateEGLPixmapOffscreenContext(const gfxIntSize& size);
1.102 +
1.103 + static already_AddRefed<GLContextEGL>
1.104 + CreateEGLPBufferOffscreenContext(const gfxIntSize& size);
1.105 +
1.106 +protected:
1.107 + friend class GLContextProviderEGL;
1.108 +
1.109 + EGLConfig mConfig;
1.110 + EGLSurface mSurface;
1.111 + EGLSurface mSurfaceOverride;
1.112 + EGLContext mContext;
1.113 + nsRefPtr<gfxASurface> mThebesSurface;
1.114 + bool mBound;
1.115 +
1.116 + bool mIsPBuffer;
1.117 + bool mIsDoubleBuffered;
1.118 + bool mCanBindToTexture;
1.119 + bool mShareWithEGLImage;
1.120 +#ifdef MOZ_WIDGET_GONK
1.121 + nsRefPtr<HwcComposer2D> mHwc;
1.122 +#endif
1.123 + bool mOwnsContext;
1.124 +
1.125 + static EGLSurface CreatePBufferSurfaceTryingPowerOfTwo(EGLConfig config,
1.126 + EGLenum bindToTextureFormat,
1.127 + gfxIntSize& pbsize);
1.128 +};
1.129 +
1.130 +}
1.131 +}
1.132 +
1.133 +#endif // GLCONTEXTEGL_H_
