зеркало из https://github.com/mozilla/gecko-dev.git
145 строки
4.3 KiB
C++
145 строки
4.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 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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#include "nsRegion.h"
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class gfxASurface;
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namespace mozilla {
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namespace widget {
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class CompositorWidget;
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} // namespace widget
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namespace gl {
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class GLContextEGL : public GLContext {
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friend class TextureImageEGL;
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static already_AddRefed<GLContextEGL> CreateGLContext(
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GLLibraryEGL*, CreateContextFlags flags, const SurfaceCaps& caps,
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bool isOffscreen, EGLConfig config, EGLSurface surface,
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nsACString* const out_failureId);
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public:
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MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(GLContextEGL, override)
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GLContextEGL(GLLibraryEGL*, CreateContextFlags flags, const SurfaceCaps& caps,
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bool isOffscreen, EGLConfig config, EGLSurface surface,
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EGLContext context);
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~GLContextEGL();
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virtual GLContextType GetContextType() const override {
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return GLContextType::EGL;
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}
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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() override;
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virtual bool IsDoubleBuffered() const override { return mIsDoubleBuffered; }
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void SetIsDoubleBuffered(bool aIsDB) { mIsDoubleBuffered = aIsDB; }
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virtual bool IsANGLE() const override { return mEgl->IsANGLE(); }
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virtual bool IsWARP() const override { return mEgl->IsWARP(); }
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virtual bool BindTexImage() override;
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virtual bool ReleaseTexImage() override;
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void SetEGLSurfaceOverride(EGLSurface surf);
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EGLSurface GetEGLSurfaceOverride() { return mSurfaceOverride; }
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virtual bool MakeCurrentImpl() const override;
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virtual bool IsCurrentImpl() const override;
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virtual bool RenewSurface(widget::CompositorWidget* aWidget) override;
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virtual void ReleaseSurface() override;
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Maybe<SymbolLoader> GetSymbolLoader() const override;
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virtual bool SwapBuffers() override;
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virtual void SetDamage(const nsIntRegion& aDamageRegion) override;
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virtual void GetWSIInfo(nsCString* const out) const override;
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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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EGLSurface GetEGLSurface() const { return mSurface; }
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bool BindTex2DOffscreen(GLContext* aOffscreen);
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void UnbindTex2DOffscreen(GLContext* aOffscreen);
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void BindOffscreenFramebuffer();
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void Destroy();
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static already_AddRefed<GLContextEGL> CreateEGLPBufferOffscreenContext(
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CreateContextFlags flags, const gfx::IntSize& size,
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const SurfaceCaps& minCaps, nsACString* const out_FailureId);
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#if defined(MOZ_WAYLAND) || defined(MOZ_WIDGET_ANDROID)
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static EGLSurface CreateEGLSurfaceForCompositorWidget(
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widget::CompositorWidget* aCompositorWidget, const EGLConfig aConfig);
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#endif
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protected:
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friend class GLContextProviderEGL;
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friend class GLContextEGLFactory;
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virtual void OnMarkDestroyed() override;
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public:
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const RefPtr<GLLibraryEGL> mEgl;
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const EGLConfig mConfig;
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const EGLContext mContext;
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protected:
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EGLSurface mSurface;
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const EGLSurface mFallbackSurface;
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EGLSurface mSurfaceOverride = EGL_NO_SURFACE;
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RefPtr<gfxASurface> mThebesSurface;
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bool mBound = false;
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bool mIsPBuffer = false;
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bool mIsDoubleBuffered = false;
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bool mCanBindToTexture = false;
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bool mShareWithEGLImage = false;
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bool mOwnsContext = true;
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nsIntRegion mDamageRegion;
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static EGLSurface CreatePBufferSurfaceTryingPowerOfTwo(
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GLLibraryEGL*, EGLConfig config, EGLenum bindToTextureFormat,
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gfx::IntSize& pbsize);
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#if defined(MOZ_WAYLAND)
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static EGLSurface CreateWaylandBufferSurface(GLLibraryEGL*, EGLConfig config,
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gfx::IntSize& pbsize);
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#endif
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#if defined(MOZ_WIDGET_ANDROID)
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public:
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EGLSurface CreateCompatibleSurface(void* aWindow);
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#endif // defined(MOZ_WIDGET_ANDROID)
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};
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bool CreateConfig(GLLibraryEGL*, EGLConfig* config, int32_t depth,
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bool enableDepthBuffer);
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} // namespace gl
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} // namespace mozilla
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#endif // GLCONTEXTEGL_H_
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