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-rw-r--r--gfx/gl/SharedSurface.cpp152
1 files changed, 152 insertions, 0 deletions
diff --git a/gfx/gl/SharedSurface.cpp b/gfx/gl/SharedSurface.cpp
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+++ b/gfx/gl/SharedSurface.cpp
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+/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 4; -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "SharedSurface.h"
+
+#include "../2d/2D.h"
+#include "GLBlitHelper.h"
+#include "GLContext.h"
+#include "GLReadTexImageHelper.h"
+#include "GLScreenBuffer.h"
+#include "nsThreadUtils.h"
+#include "ScopedGLHelpers.h"
+#include "SharedSurfaceGL.h"
+#include "SharedSurfaceEGL.h"
+#include "mozilla/gfx/Logging.h"
+#include "mozilla/layers/CompositorTypes.h"
+#include "mozilla/layers/TextureClientSharedSurface.h"
+#include "mozilla/layers/TextureForwarder.h"
+#include "mozilla/StaticPrefs_webgl.h"
+#include "mozilla/Unused.h"
+#include "VRManagerChild.h"
+
+#ifdef XP_WIN
+# include "SharedSurfaceANGLE.h"
+# include "SharedSurfaceD3D11Interop.h"
+#endif
+
+#ifdef XP_MACOSX
+# include "SharedSurfaceIO.h"
+#endif
+
+#ifdef MOZ_WAYLAND
+# include "gfxPlatformGtk.h"
+# include "SharedSurfaceDMABUF.h"
+#endif
+
+#ifdef MOZ_WIDGET_ANDROID
+# include "SharedSurfaceAndroidHardwareBuffer.h"
+#endif
+
+namespace mozilla {
+namespace gl {
+
+////////////////////////////////////////////////////////////////////////
+// SharedSurface
+
+SharedSurface::SharedSurface(const SharedSurfaceDesc& desc,
+ UniquePtr<MozFramebuffer> fb)
+ : mDesc(desc), mFb(std::move(fb)) {}
+
+SharedSurface::~SharedSurface() = default;
+
+void SharedSurface::LockProd() {
+ MOZ_ASSERT(!mIsLocked);
+
+ LockProdImpl();
+
+ mDesc.gl->LockSurface(this);
+ mIsLocked = true;
+}
+
+void SharedSurface::UnlockProd() {
+ if (!mIsLocked) return;
+
+ UnlockProdImpl();
+
+ mDesc.gl->UnlockSurface(this);
+ mIsLocked = false;
+}
+
+////////////////////////////////////////////////////////////////////////
+// SurfaceFactory
+
+/* static */
+UniquePtr<SurfaceFactory> SurfaceFactory::Create(
+ GLContext* const pGl, const layers::TextureType consumerType) {
+ auto& gl = *pGl;
+
+ switch (consumerType) {
+ case layers::TextureType::D3D11:
+#ifdef XP_WIN
+ if (gl.IsANGLE()) {
+ return SurfaceFactory_ANGLEShareHandle::Create(gl);
+ }
+ if (StaticPrefs::webgl_dxgl_enabled()) {
+ return SurfaceFactory_D3D11Interop::Create(gl);
+ }
+#endif
+ return nullptr;
+
+ case layers::TextureType::MacIOSurface:
+#ifdef XP_MACOSX
+ return MakeUnique<SurfaceFactory_IOSurface>(gl);
+#else
+ return nullptr;
+#endif
+
+ case layers::TextureType::DMABUF:
+#ifdef MOZ_WAYLAND
+ if (gl.GetContextType() == GLContextType::EGL &&
+ widget::DMABufDevice::IsDMABufWebGLEnabled()) {
+ return SurfaceFactory_DMABUF::Create(gl);
+ }
+#endif
+ return nullptr;
+
+ case layers::TextureType::AndroidNativeWindow:
+#ifdef MOZ_WIDGET_ANDROID
+ return MakeUnique<SurfaceFactory_SurfaceTexture>(gl);
+#else
+ return nullptr;
+#endif
+
+ case layers::TextureType::AndroidHardwareBuffer:
+#ifdef MOZ_WIDGET_ANDROID
+ if (XRE_IsGPUProcess()) {
+ // Enable SharedSurface of AndroidHardwareBuffer only in GPU process.
+ return SurfaceFactory_AndroidHardwareBuffer::Create(gl);
+ }
+#endif
+ return nullptr;
+
+ case layers::TextureType::EGLImage:
+#ifdef MOZ_WIDGET_ANDROID
+ if (XRE_IsParentProcess()) {
+ return SurfaceFactory_EGLImage::Create(gl);
+ }
+#endif
+ return nullptr;
+
+ case layers::TextureType::Unknown:
+ case layers::TextureType::Last:
+ break;
+ }
+
+#ifdef MOZ_X11
+ // Silence a warning.
+ Unused << gl;
+#endif
+
+ return nullptr;
+}
+
+SurfaceFactory::SurfaceFactory(const PartialSharedSurfaceDesc& partialDesc)
+ : mDesc(partialDesc), mMutex("SurfaceFactor::mMutex") {}
+
+SurfaceFactory::~SurfaceFactory() = default;
+
+} // namespace gl
+} // namespace mozilla