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/* -*- 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
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