зеркало из https://github.com/mozilla/gecko-dev.git
148 строки
4.1 KiB
C++
148 строки
4.1 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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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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{
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friend class TextureImageEGL;
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static already_AddRefed<GLContextEGL>
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CreateGLContext(CreateContextFlags flags,
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const SurfaceCaps& caps,
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bool isOffscreen,
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EGLConfig config,
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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(CreateContextFlags flags,
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const SurfaceCaps& caps,
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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() const 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() override;
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virtual bool IsDoubleBuffered() const override {
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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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virtual bool IsANGLE() const override {
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return sEGLLibrary.IsANGLE();
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}
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virtual bool IsWARP() const override {
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return sEGLLibrary.IsWARP();
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}
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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() {
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return mSurfaceOverride;
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}
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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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virtual bool SetupLookupFunction() override;
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virtual bool SwapBuffers() 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 {
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return mSurface;
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}
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EGLDisplay GetEGLDisplay() const {
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return sEGLLibrary.Display();
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}
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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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static already_AddRefed<GLContextEGL>
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CreateEGLPBufferOffscreenContext(CreateContextFlags flags,
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const gfx::IntSize& size,
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const SurfaceCaps& minCaps,
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nsACString* const out_FailureId);
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protected:
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friend class GLContextProviderEGL;
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friend class GLContextEGLFactory;
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public:
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const EGLConfig mConfig;
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protected:
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EGLSurface mSurface;
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public:
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const EGLContext mContext;
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protected:
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EGLSurface mSurfaceOverride;
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RefPtr<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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bool mOwnsContext;
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static EGLSurface CreatePBufferSurfaceTryingPowerOfTwo(EGLConfig config,
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EGLenum bindToTextureFormat,
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gfx::IntSize& pbsize);
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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(EGLConfig* config, int32_t depth, 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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