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