зеркало из https://github.com/mozilla/gecko-dev.git
159 строки
3.9 KiB
C++
159 строки
3.9 KiB
C++
/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 4; -*- */
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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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#include "SharedSurface.h"
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#include "../2d/2D.h"
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#include "GLBlitHelper.h"
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#include "GLContext.h"
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#include "GLReadTexImageHelper.h"
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#include "GLScreenBuffer.h"
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#include "nsThreadUtils.h"
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#include "ScopedGLHelpers.h"
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#include "SharedSurfaceGL.h"
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#include "SharedSurfaceEGL.h"
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#include "mozilla/gfx/Logging.h"
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#include "mozilla/layers/CompositorTypes.h"
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#include "mozilla/layers/TextureClientSharedSurface.h"
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#include "mozilla/layers/TextureForwarder.h"
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#include "mozilla/StaticPrefs_webgl.h"
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#include "mozilla/Unused.h"
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#include "VRManagerChild.h"
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#ifdef XP_WIN
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# include "SharedSurfaceANGLE.h"
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# include "SharedSurfaceD3D11Interop.h"
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#endif
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#ifdef XP_MACOSX
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# include "SharedSurfaceIO.h"
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#endif
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#ifdef MOZ_X11
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# include "GLXLibrary.h"
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# include "SharedSurfaceGLX.h"
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#endif
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#ifdef MOZ_WAYLAND
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# include "gfxPlatformGtk.h"
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# include "SharedSurfaceDMABUF.h"
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#endif
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#ifdef MOZ_WIDGET_ANDROID
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# include "SharedSurfaceAndroidHardwareBuffer.h"
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#endif
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namespace mozilla {
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namespace gl {
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////////////////////////////////////////////////////////////////////////
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// SharedSurface
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SharedSurface::SharedSurface(const SharedSurfaceDesc& desc,
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UniquePtr<MozFramebuffer> fb)
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: mDesc(desc), mFb(std::move(fb)) {}
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SharedSurface::~SharedSurface() = default;
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void SharedSurface::LockProd() {
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MOZ_ASSERT(!mIsLocked);
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LockProdImpl();
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mDesc.gl->LockSurface(this);
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mIsLocked = true;
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}
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void SharedSurface::UnlockProd() {
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if (!mIsLocked) return;
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UnlockProdImpl();
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mDesc.gl->UnlockSurface(this);
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mIsLocked = false;
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}
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////////////////////////////////////////////////////////////////////////
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// SurfaceFactory
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/* static */
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UniquePtr<SurfaceFactory> SurfaceFactory::Create(
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GLContext* const pGl, const layers::TextureType consumerType) {
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auto& gl = *pGl;
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switch (consumerType) {
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case layers::TextureType::D3D11:
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#ifdef XP_WIN
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if (gl.IsANGLE()) {
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return SurfaceFactory_ANGLEShareHandle::Create(gl);
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}
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if (StaticPrefs::webgl_dxgl_enabled()) {
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return SurfaceFactory_D3D11Interop::Create(gl);
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}
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#endif
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return nullptr;
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case layers::TextureType::MacIOSurface:
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#ifdef XP_MACOSX
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return MakeUnique<SurfaceFactory_IOSurface>(gl);
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#else
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return nullptr;
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#endif
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case layers::TextureType::X11:
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#ifdef MOZ_X11
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if (gl.GetContextType() != GLContextType::GLX) return nullptr;
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if (!sGLXLibrary.UseTextureFromPixmap()) return nullptr;
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return MakeUnique<SurfaceFactory_GLXDrawable>(gl);
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#else
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return nullptr;
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#endif
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case layers::TextureType::DMABUF:
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#ifdef MOZ_WAYLAND
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if (gl.GetContextType() == GLContextType::EGL &&
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gfxPlatformGtk::GetPlatform()->UseDMABufWebGL()) {
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return SurfaceFactory_DMABUF::Create(gl);
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}
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#endif
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return nullptr;
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case layers::TextureType::AndroidNativeWindow:
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#ifdef MOZ_WIDGET_ANDROID
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return MakeUnique<SurfaceFactory_SurfaceTexture>(gl);
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#else
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return nullptr;
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#endif
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case layers::TextureType::AndroidHardwareBuffer:
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#ifdef MOZ_WIDGET_ANDROID
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return SurfaceFactory_AndroidHardwareBuffer::Create(gl);
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#else
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return nullptr;
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#endif
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case layers::TextureType::EGLImage:
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#ifdef MOZ_WIDGET_ANDROID
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if (XRE_IsParentProcess()) {
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return SurfaceFactory_EGLImage::Create(gl);
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}
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#endif
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return nullptr;
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case layers::TextureType::Unknown:
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case layers::TextureType::DIB:
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case layers::TextureType::Last:
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break;
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}
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return nullptr;
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}
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SurfaceFactory::SurfaceFactory(const PartialSharedSurfaceDesc& partialDesc)
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: mDesc(partialDesc), mMutex("SurfaceFactor::mMutex") {}
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SurfaceFactory::~SurfaceFactory() = default;
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} // namespace gl
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} // namespace mozilla
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