Source code
Revision control
Copy as Markdown
Other Tools
/* -*- 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
#include "GPUVideoTextureHost.h"
#include "ImageContainer.h"
#include "mozilla/RemoteDecoderManagerParent.h"
#include "mozilla/layers/ImageBridgeParent.h"
#include "mozilla/layers/VideoBridgeParent.h"
#include "mozilla/webrender/RenderTextureHostWrapper.h"
#include "mozilla/webrender/RenderThread.h"
namespace mozilla {
namespace layers {
GPUVideoTextureHost::GPUVideoTextureHost(
const dom::ContentParentId& aContentId, TextureFlags aFlags,
const SurfaceDescriptorGPUVideo& aDescriptor)
: TextureHost(TextureHostType::Unknown, aFlags),
mContentId(aContentId),
mDescriptor(aDescriptor) {
MOZ_COUNT_CTOR(GPUVideoTextureHost);
}
GPUVideoTextureHost::~GPUVideoTextureHost() {
MOZ_COUNT_DTOR(GPUVideoTextureHost);
}
GPUVideoTextureHost* GPUVideoTextureHost::CreateFromDescriptor(
const dom::ContentParentId& aContentId, TextureFlags aFlags,
const SurfaceDescriptorGPUVideo& aDescriptor) {
return new GPUVideoTextureHost(aContentId, aFlags, aDescriptor);
}
TextureHost* GPUVideoTextureHost::EnsureWrappedTextureHost() {
if (mWrappedTextureHost) {
return mWrappedTextureHost;
}
const auto& sd =
static_cast<const SurfaceDescriptorRemoteDecoder&>(mDescriptor);
RefPtr<VideoBridgeParent> parent =
VideoBridgeParent::GetSingleton(sd.source());
if (!parent) {
// The VideoBridge went away. This can happen if the RDD process
// crashes.
return nullptr;
}
mWrappedTextureHost = parent->LookupTextureAsync(mContentId, sd.handle());
if (!mWrappedTextureHost) {
// The TextureHost hasn't been registered yet. This is due to a race
// between the ImageBridge (content) and the VideoBridge (RDD) and the
// ImageBridge won. See bug
// details.
return nullptr;
}
if (mExternalImageId.isSome()) {
// External image id is allocated by mWrappedTextureHost.
mWrappedTextureHost->EnsureRenderTexture(Nothing());
MOZ_ASSERT(mWrappedTextureHost->mExternalImageId.isSome());
auto wrappedId = mWrappedTextureHost->mExternalImageId.ref();
RefPtr<wr::RenderTextureHost> texture =
new wr::RenderTextureHostWrapper(wrappedId);
wr::RenderThread::Get()->RegisterExternalImage(mExternalImageId.ref(),
texture.forget());
}
return mWrappedTextureHost;
}
bool GPUVideoTextureHost::IsValid() { return !!EnsureWrappedTextureHost(); }
gfx::YUVColorSpace GPUVideoTextureHost::GetYUVColorSpace() const {
MOZ_ASSERT(mWrappedTextureHost, "Image isn't valid yet");
if (!mWrappedTextureHost) {
return TextureHost::GetYUVColorSpace();
}
return mWrappedTextureHost->GetYUVColorSpace();
}
gfx::ColorDepth GPUVideoTextureHost::GetColorDepth() const {
MOZ_ASSERT(mWrappedTextureHost, "Image isn't valid yet");
if (!mWrappedTextureHost) {
return TextureHost::GetColorDepth();
}
return mWrappedTextureHost->GetColorDepth();
}
gfx::ColorRange GPUVideoTextureHost::GetColorRange() const {
MOZ_ASSERT(mWrappedTextureHost, "Image isn't valid yet");
if (!mWrappedTextureHost) {
return TextureHost::GetColorRange();
}
return mWrappedTextureHost->GetColorRange();
}
gfx::IntSize GPUVideoTextureHost::GetSize() const {
MOZ_ASSERT(mWrappedTextureHost, "Image isn't valid yet");
if (!mWrappedTextureHost) {
return gfx::IntSize();
}
return mWrappedTextureHost->GetSize();
}
gfx::SurfaceFormat GPUVideoTextureHost::GetFormat() const {
MOZ_ASSERT(mWrappedTextureHost, "Image isn't valid yet");
if (!mWrappedTextureHost) {
return gfx::SurfaceFormat::UNKNOWN;
}
return mWrappedTextureHost->GetFormat();
}
void GPUVideoTextureHost::CreateRenderTexture(
const wr::ExternalImageId& aExternalImageId) {
MOZ_ASSERT(mExternalImageId.isSome());
// When mWrappedTextureHost already exist, call CreateRenderTexture() here.
// In other cases, EnsureWrappedTextureHost() handles CreateRenderTexture().
if (mWrappedTextureHost) {
// External image id is allocated by mWrappedTextureHost.
mWrappedTextureHost->EnsureRenderTexture(Nothing());
MOZ_ASSERT(mWrappedTextureHost->mExternalImageId.isSome());
auto wrappedId = mWrappedTextureHost->mExternalImageId.ref();
RefPtr<wr::RenderTextureHost> texture =
new wr::RenderTextureHostWrapper(wrappedId);
wr::RenderThread::Get()->RegisterExternalImage(mExternalImageId.ref(),
texture.forget());
return;
}
EnsureWrappedTextureHost();
}
void GPUVideoTextureHost::MaybeDestroyRenderTexture() {
if (mExternalImageId.isNothing()) {
// RenderTextureHost was not created
return;
}
if (mExternalImageId.isSome() && mWrappedTextureHost) {
// When GPUVideoTextureHost created RenderTextureHost, delete it here.
TextureHost::DestroyRenderTexture(mExternalImageId.ref());
}
mExternalImageId = Nothing();
}
uint32_t GPUVideoTextureHost::NumSubTextures() {
if (!EnsureWrappedTextureHost()) {
return 0;
}
return EnsureWrappedTextureHost()->NumSubTextures();
}
void GPUVideoTextureHost::PushResourceUpdates(
wr::TransactionBuilder& aResources, ResourceUpdateOp aOp,
const Range<wr::ImageKey>& aImageKeys, const wr::ExternalImageId& aExtID) {
MOZ_ASSERT(EnsureWrappedTextureHost(), "Image isn't valid yet");
if (!EnsureWrappedTextureHost()) {
return;
}
EnsureWrappedTextureHost()->PushResourceUpdates(aResources, aOp, aImageKeys,
aExtID);
}
void GPUVideoTextureHost::PushDisplayItems(
wr::DisplayListBuilder& aBuilder, const wr::LayoutRect& aBounds,
const wr::LayoutRect& aClip, wr::ImageRendering aFilter,
const Range<wr::ImageKey>& aImageKeys, PushDisplayItemFlagSet aFlags) {
MOZ_ASSERT(EnsureWrappedTextureHost(), "Image isn't valid yet");
MOZ_ASSERT(aImageKeys.length() > 0);
if (!EnsureWrappedTextureHost()) {
return;
}
EnsureWrappedTextureHost()->PushDisplayItems(aBuilder, aBounds, aClip,
aFilter, aImageKeys, aFlags);
}
bool GPUVideoTextureHost::SupportsExternalCompositing(
WebRenderBackend aBackend) {
if (!EnsureWrappedTextureHost()) {
return false;
}
return EnsureWrappedTextureHost()->SupportsExternalCompositing(aBackend);
}
void GPUVideoTextureHost::UnbindTextureSource() {
if (EnsureWrappedTextureHost()) {
EnsureWrappedTextureHost()->UnbindTextureSource();
}
// Handle read unlock
TextureHost::UnbindTextureSource();
}
void GPUVideoTextureHost::NotifyNotUsed() {
if (EnsureWrappedTextureHost()) {
EnsureWrappedTextureHost()->NotifyNotUsed();
}
TextureHost::NotifyNotUsed();
}
BufferTextureHost* GPUVideoTextureHost::AsBufferTextureHost() {
if (EnsureWrappedTextureHost()) {
return EnsureWrappedTextureHost()->AsBufferTextureHost();
}
return nullptr;
}
bool GPUVideoTextureHost::IsWrappingSurfaceTextureHost() {
if (EnsureWrappedTextureHost()) {
return EnsureWrappedTextureHost()->IsWrappingSurfaceTextureHost();
}
return false;
}
TextureHostType GPUVideoTextureHost::GetTextureHostType() {
if (!mWrappedTextureHost) {
return TextureHostType::Unknown;
}
return mWrappedTextureHost->GetTextureHostType();
}
bool GPUVideoTextureHost::NeedsDeferredDeletion() const {
if (!mWrappedTextureHost) {
return TextureHost::NeedsDeferredDeletion();
}
return mWrappedTextureHost->NeedsDeferredDeletion();
}
} // namespace layers
} // namespace mozilla