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Diffstat (limited to 'gfx/layers/wr/WebRenderTextureHost.cpp')
| -rw-r--r-- | gfx/layers/wr/WebRenderTextureHost.cpp | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/gfx/layers/wr/WebRenderTextureHost.cpp b/gfx/layers/wr/WebRenderTextureHost.cpp new file mode 100644 index 0000000000..aa4215453f --- /dev/null +++ b/gfx/layers/wr/WebRenderTextureHost.cpp @@ -0,0 +1,212 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* 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 "WebRenderTextureHost.h" + +#include "mozilla/layers/ImageDataSerializer.h" +#include "mozilla/layers/LayersSurfaces.h" +#include "mozilla/layers/TextureSourceProvider.h" +#include "mozilla/webrender/RenderThread.h" +#include "mozilla/webrender/WebRenderAPI.h" + +#ifdef MOZ_WIDGET_ANDROID +# include "mozilla/layers/TextureHostOGL.h" +#endif + +namespace mozilla::layers { + +class ScheduleHandleRenderTextureOps : public wr::NotificationHandler { + public: + explicit ScheduleHandleRenderTextureOps() {} + + virtual void Notify(wr::Checkpoint aCheckpoint) override { + if (aCheckpoint == wr::Checkpoint::FrameTexturesUpdated) { + MOZ_ASSERT(wr::RenderThread::IsInRenderThread()); + wr::RenderThread::Get()->HandleRenderTextureOps(); + } else { + MOZ_ASSERT(aCheckpoint == wr::Checkpoint::TransactionDropped); + } + } + + protected: +}; + +WebRenderTextureHost::WebRenderTextureHost( + TextureFlags aFlags, TextureHost* aTexture, + const wr::ExternalImageId& aExternalImageId) + : TextureHost(TextureHostType::Unknown, aFlags), + mWrappedTextureHost(aTexture) { + MOZ_ASSERT(mWrappedTextureHost); + // The wrapped textureHost will be used in WebRender, and the WebRender could + // run at another thread. It's hard to control the life-time when gecko + // receives PTextureParent destroy message. It's possible that textureHost is + // still used by WebRender. So, we only accept the textureHost without + // DEALLOCATE_CLIENT flag here. If the buffer deallocation is controlled by + // parent, we could do something to make sure the wrapped textureHost is not + // used by WebRender and then release it. + MOZ_ASSERT(!(aFlags & TextureFlags::DEALLOCATE_CLIENT)); + MOZ_COUNT_CTOR(WebRenderTextureHost); + + mExternalImageId = Some(aExternalImageId); +} + +WebRenderTextureHost::~WebRenderTextureHost() { + MOZ_COUNT_DTOR(WebRenderTextureHost); +} + +wr::ExternalImageId WebRenderTextureHost::GetExternalImageKey() { + if (IsValid()) { + mWrappedTextureHost->EnsureRenderTexture(mExternalImageId); + } + MOZ_ASSERT(mWrappedTextureHost->mExternalImageId.isSome()); + return mWrappedTextureHost->mExternalImageId.ref(); +} + +bool WebRenderTextureHost::IsValid() { return mWrappedTextureHost->IsValid(); } + +void WebRenderTextureHost::UnbindTextureSource() { + if (mWrappedTextureHost->AsBufferTextureHost()) { + mWrappedTextureHost->UnbindTextureSource(); + } + // Handle read unlock + TextureHost::UnbindTextureSource(); +} + +already_AddRefed<gfx::DataSourceSurface> WebRenderTextureHost::GetAsSurface() { + return mWrappedTextureHost->GetAsSurface(); +} + +gfx::ColorDepth WebRenderTextureHost::GetColorDepth() const { + return mWrappedTextureHost->GetColorDepth(); +} + +gfx::YUVColorSpace WebRenderTextureHost::GetYUVColorSpace() const { + return mWrappedTextureHost->GetYUVColorSpace(); +} + +gfx::ColorRange WebRenderTextureHost::GetColorRange() const { + return mWrappedTextureHost->GetColorRange(); +} + +gfx::IntSize WebRenderTextureHost::GetSize() const { + return mWrappedTextureHost->GetSize(); +} + +gfx::SurfaceFormat WebRenderTextureHost::GetFormat() const { + return mWrappedTextureHost->GetFormat(); +} + +void WebRenderTextureHost::NotifyNotUsed() { +#ifdef MOZ_WIDGET_ANDROID + // When SurfaceTextureHost is wrapped by RemoteTextureHostWrapper, + // NotifyNotUsed() is handled by SurfaceTextureHost. + if (IsWrappingSurfaceTextureHost() && + !mWrappedTextureHost->AsRemoteTextureHostWrapper()) { + wr::RenderThread::Get()->NotifyNotUsed(GetExternalImageKey()); + } +#endif + if (mWrappedTextureHost->AsRemoteTextureHostWrapper()) { + mWrappedTextureHost->NotifyNotUsed(); + } + TextureHost::NotifyNotUsed(); +} + +void WebRenderTextureHost::MaybeNotifyForUse(wr::TransactionBuilder& aTxn) { +#if defined(MOZ_WIDGET_ANDROID) + if (IsWrappingSurfaceTextureHost() && + !mWrappedTextureHost->AsRemoteTextureHostWrapper()) { + wr::RenderThread::Get()->NotifyForUse(GetExternalImageKey()); + aTxn.Notify(wr::Checkpoint::FrameTexturesUpdated, + MakeUnique<ScheduleHandleRenderTextureOps>()); + } +#endif +} + +bool WebRenderTextureHost::IsWrappingSurfaceTextureHost() { + return mWrappedTextureHost->IsWrappingSurfaceTextureHost(); +} + +void WebRenderTextureHost::PrepareForUse() { + // When SurfaceTextureHost is wrapped by RemoteTextureHostWrapper, + // PrepareForUse() is handled by SurfaceTextureHost. + if ((IsWrappingSurfaceTextureHost() && + !mWrappedTextureHost->AsRemoteTextureHostWrapper()) || + mWrappedTextureHost->AsBufferTextureHost()) { + // Call PrepareForUse on render thread. + // See RenderAndroidSurfaceTextureHostOGL::PrepareForUse. + wr::RenderThread::Get()->PrepareForUse(GetExternalImageKey()); + } +} + +gfx::SurfaceFormat WebRenderTextureHost::GetReadFormat() const { + return mWrappedTextureHost->GetReadFormat(); +} + +int32_t WebRenderTextureHost::GetRGBStride() { + gfx::SurfaceFormat format = GetFormat(); + if (GetFormat() == gfx::SurfaceFormat::YUV) { + // XXX this stride is used until yuv image rendering by webrender is used. + // Software converted RGB buffers strides are aliened to 16 + return gfx::GetAlignedStride<16>( + GetSize().width, BytesPerPixel(gfx::SurfaceFormat::B8G8R8A8)); + } + return ImageDataSerializer::ComputeRGBStride(format, GetSize().width); +} + +bool WebRenderTextureHost::NeedsDeferredDeletion() const { + return mWrappedTextureHost->NeedsDeferredDeletion(); +} + +uint32_t WebRenderTextureHost::NumSubTextures() { + return mWrappedTextureHost->NumSubTextures(); +} + +void WebRenderTextureHost::PushResourceUpdates( + wr::TransactionBuilder& aResources, ResourceUpdateOp aOp, + const Range<wr::ImageKey>& aImageKeys, const wr::ExternalImageId& aExtID) { + MOZ_ASSERT(GetExternalImageKey() == aExtID); + + mWrappedTextureHost->PushResourceUpdates(aResources, aOp, aImageKeys, aExtID); +} + +void WebRenderTextureHost::PushDisplayItems( + wr::DisplayListBuilder& aBuilder, const wr::LayoutRect& aBounds, + const wr::LayoutRect& aClip, wr::ImageRendering aFilter, + const Range<wr::ImageKey>& aImageKeys, PushDisplayItemFlagSet aFlags) { + MOZ_ASSERT(aImageKeys.length() > 0); + + mWrappedTextureHost->PushDisplayItems(aBuilder, aBounds, aClip, aFilter, + aImageKeys, aFlags); +} + +bool WebRenderTextureHost::SupportsExternalCompositing( + WebRenderBackend aBackend) { + return mWrappedTextureHost->SupportsExternalCompositing(aBackend); +} + +void WebRenderTextureHost::SetAcquireFence( + mozilla::ipc::FileDescriptor&& aFenceFd) { + mWrappedTextureHost->SetAcquireFence(std::move(aFenceFd)); +} + +void WebRenderTextureHost::SetReleaseFence( + mozilla::ipc::FileDescriptor&& aFenceFd) { + mWrappedTextureHost->SetReleaseFence(std::move(aFenceFd)); +} + +mozilla::ipc::FileDescriptor WebRenderTextureHost::GetAndResetReleaseFence() { + return mWrappedTextureHost->GetAndResetReleaseFence(); +} + +AndroidHardwareBuffer* WebRenderTextureHost::GetAndroidHardwareBuffer() const { + return mWrappedTextureHost->GetAndroidHardwareBuffer(); +} + +TextureHostType WebRenderTextureHost::GetTextureHostType() { + return mWrappedTextureHost->GetTextureHostType(); +} + +} // namespace mozilla::layers |