Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 430 insertions, 0 deletions

diff --git a/gfx/webrender_bindings/RendererOGL.cpp b/gfx/webrender_bindings/RendererOGL.cpp
new file mode 100644
index 0000000000..3c4d13e376
--- /dev/null
+++ b/gfx/webrender_bindings/RendererOGL.cpp
@@ -0,0 +1,430 @@
+/* -*- 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 "RendererOGL.h"
+
+#include "base/task.h"
+#include "GLContext.h"
+#include "mozilla/gfx/Logging.h"
+#include "mozilla/gfx/gfxVars.h"
+#include "mozilla/gfx/Types.h"
+#include "mozilla/layers/CompositorBridgeParent.h"
+#include "mozilla/layers/CompositorThread.h"
+#include "mozilla/layers/LayersTypes.h"
+#include "mozilla/layers/ProfilerScreenshots.h"
+#include "mozilla/webrender/RenderCompositor.h"
+#include "mozilla/webrender/RenderTextureHost.h"
+#include "mozilla/widget/CompositorWidget.h"
+
+namespace mozilla {
+namespace wr {
+
+class RendererRecordedFrame final : public layers::RecordedFrame {
+ public:
+  RendererRecordedFrame(const TimeStamp& aTimeStamp, wr::Renderer* aRenderer,
+                        const wr::RecordedFrameHandle aHandle,
+                        const gfx::IntSize& aSize)
+      : RecordedFrame(aTimeStamp),
+        mRenderer(aRenderer),
+        mSize(aSize),
+        mHandle(aHandle) {}
+
+  already_AddRefed<gfx::DataSourceSurface> GetSourceSurface() override {
+    if (!mSurface) {
+      mSurface = gfx::Factory::CreateDataSourceSurface(
+          mSize, gfx::SurfaceFormat::B8G8R8A8, /* aZero = */ false);
+
+      gfx::DataSourceSurface::ScopedMap map(mSurface,
+                                            gfx::DataSourceSurface::WRITE);
+
+      if (!wr_renderer_map_recorded_frame(mRenderer, mHandle, map.GetData(),
+                                          map.GetStride() * mSize.height,
+                                          map.GetStride())) {
+        return nullptr;
+      }
+    }
+
+    return do_AddRef(mSurface);
+  }
+
+ private:
+  wr::Renderer* mRenderer;
+  RefPtr<gfx::DataSourceSurface> mSurface;
+  gfx::IntSize mSize;
+  wr::RecordedFrameHandle mHandle;
+};
+
+wr::WrExternalImage wr_renderer_lock_external_image(void* aObj,
+                                                    wr::ExternalImageId aId,
+                                                    uint8_t aChannelIndex) {
+  RendererOGL* renderer = reinterpret_cast<RendererOGL*>(aObj);
+  RenderTextureHost* texture = renderer->GetRenderTexture(aId);
+  MOZ_ASSERT(texture);
+  if (!texture) {
+    gfxCriticalNoteOnce << "Failed to lock ExternalImage for extId:"
+                        << AsUint64(aId);
+    return InvalidToWrExternalImage();
+  }
+  if (auto* gl = renderer->gl()) {
+    return texture->Lock(aChannelIndex, gl);
+  } else if (auto* swgl = renderer->swgl()) {
+    return texture->LockSWGL(aChannelIndex, swgl, renderer->GetCompositor());
+  } else {
+    gfxCriticalNoteOnce
+        << "No GL or SWGL context available to lock ExternalImage for extId:"
+        << AsUint64(aId);
+    return InvalidToWrExternalImage();
+  }
+}
+
+void wr_renderer_unlock_external_image(void* aObj, wr::ExternalImageId aId,
+                                       uint8_t aChannelIndex) {
+  RendererOGL* renderer = reinterpret_cast<RendererOGL*>(aObj);
+  RenderTextureHost* texture = renderer->GetRenderTexture(aId);
+  MOZ_ASSERT(texture);
+  if (!texture) {
+    return;
+  }
+  if (renderer->gl()) {
+    texture->Unlock();
+  } else if (renderer->swgl()) {
+    texture->UnlockSWGL();
+  }
+}
+
+RendererOGL::RendererOGL(RefPtr<RenderThread>&& aThread,
+                         UniquePtr<RenderCompositor> aCompositor,
+                         wr::WindowId aWindowId, wr::Renderer* aRenderer,
+                         layers::CompositorBridgeParent* aBridge)
+    : mThread(aThread),
+      mCompositor(std::move(aCompositor)),
+      mRenderer(aRenderer),
+      mBridge(aBridge),
+      mWindowId(aWindowId),
+      mDisableNativeCompositor(false),
+      mLastPipelineInfo(new WebRenderPipelineInfo) {
+  MOZ_ASSERT(mThread);
+  MOZ_ASSERT(mCompositor);
+  MOZ_ASSERT(mRenderer);
+  MOZ_ASSERT(mBridge);
+  MOZ_COUNT_CTOR(RendererOGL);
+}
+
+RendererOGL::~RendererOGL() {
+  MOZ_COUNT_DTOR(RendererOGL);
+  if (!mCompositor->MakeCurrent()) {
+    gfxCriticalNote
+        << "Failed to make render context current during destroying.";
+    // Leak resources!
+  } else {
+    wr_renderer_delete(mRenderer);
+  }
+}
+
+wr::WrExternalImageHandler RendererOGL::GetExternalImageHandler() {
+  return wr::WrExternalImageHandler{
+      this,
+  };
+}
+
+void RendererOGL::SetFramePublishId(FramePublishId aPublishId) {
+  wr_renderer_set_target_frame_publish_id(mRenderer, aPublishId);
+}
+
+void RendererOGL::Update() {
+  mCompositor->Update();
+  if (mCompositor->MakeCurrent()) {
+    wr_renderer_update(mRenderer);
+    FlushPipelineInfo();
+  }
+}
+
+static void DoWebRenderDisableNativeCompositor(
+    layers::CompositorBridgeParent* aBridge) {
+  aBridge->NotifyWebRenderDisableNativeCompositor();
+}
+
+RenderedFrameId RendererOGL::UpdateAndRender(
+    const Maybe<gfx::IntSize>& aReadbackSize,
+    const Maybe<wr::ImageFormat>& aReadbackFormat,
+    const Maybe<Range<uint8_t>>& aReadbackBuffer, bool* aNeedsYFlip,
+    RendererStats* aOutStats) {
+  mozilla::widget::WidgetRenderingContext widgetContext;
+
+#if defined(XP_MACOSX)
+  widgetContext.mGL = mCompositor->gl();
+#endif
+
+  if (!mCompositor->GetWidget()->PreRender(&widgetContext)) {
+    // XXX This could cause oom in webrender since pending_texture_updates is
+    // not handled. It needs to be addressed.
+    return RenderedFrameId();
+  }
+  // XXX set clear color if MOZ_WIDGET_ANDROID is defined.
+
+  if (mThread->IsHandlingDeviceReset() || !mCompositor->BeginFrame()) {
+    CheckGraphicsResetStatus("BeginFrame", /* aForce */ true);
+    mCompositor->GetWidget()->PostRender(&widgetContext);
+    return RenderedFrameId();
+  }
+
+  auto size = mCompositor->GetBufferSize();
+  auto bufferAge = mCompositor->GetBufferAge();
+
+  wr_renderer_update(mRenderer);
+
+  bool fullRender = mCompositor->RequestFullRender();
+  // When we're rendering to an external target, we want to render everything.
+  if (mCompositor->UsePartialPresent() &&
+      (aReadbackBuffer.isSome() || layers::ProfilerScreenshots::IsEnabled())) {
+    fullRender = true;
+  }
+  if (fullRender) {
+    wr_renderer_force_redraw(mRenderer);
+  }
+
+  nsTArray<DeviceIntRect> dirtyRects;
+  bool rendered = wr_renderer_render(mRenderer, size.width, size.height,
+                                     bufferAge, aOutStats, &dirtyRects);
+  FlushPipelineInfo();
+  if (!rendered) {
+    mCompositor->CancelFrame();
+    RenderThread::Get()->HandleWebRenderError(WebRenderError::RENDER);
+    mCompositor->GetWidget()->PostRender(&widgetContext);
+    return RenderedFrameId();
+  }
+
+  if (aReadbackBuffer.isSome()) {
+    MOZ_ASSERT(aReadbackSize.isSome());
+    MOZ_ASSERT(aReadbackFormat.isSome());
+    if (!mCompositor->MaybeReadback(aReadbackSize.ref(), aReadbackFormat.ref(),
+                                    aReadbackBuffer.ref(), aNeedsYFlip)) {
+      wr_renderer_readback(mRenderer, aReadbackSize.ref().width,
+                           aReadbackSize.ref().height, aReadbackFormat.ref(),
+                           &aReadbackBuffer.ref()[0],
+                           aReadbackBuffer.ref().length());
+      if (aNeedsYFlip) {
+        *aNeedsYFlip = !mCompositor->SurfaceOriginIsTopLeft();
+      }
+    }
+  }
+
+  if (size.Width() != 0 && size.Height() != 0) {
+    if (!mCompositor->MaybeGrabScreenshot(size.ToUnknownSize())) {
+      mScreenshotGrabber.MaybeGrabScreenshot(this, size.ToUnknownSize());
+    }
+  }
+
+  // Frame recording must happen before EndFrame, as we must ensure we read the
+  // contents of the back buffer before any calls to SwapBuffers which might
+  // invalidate it.
+  MaybeRecordFrame(mLastPipelineInfo);
+
+  RenderedFrameId frameId = mCompositor->EndFrame(dirtyRects);
+
+  mCompositor->GetWidget()->PostRender(&widgetContext);
+
+#if defined(ENABLE_FRAME_LATENCY_LOG)
+  if (mFrameStartTime) {
+    uint32_t latencyMs =
+        round((TimeStamp::Now() - mFrameStartTime).ToMilliseconds());
+    printf_stderr("generate frame latencyMs latencyMs %d\n", latencyMs);
+  }
+  // Clear frame start time
+  mFrameStartTime = TimeStamp();
+#endif
+
+  if (!mCompositor->MaybeProcessScreenshotQueue()) {
+    mScreenshotGrabber.MaybeProcessQueue(this);
+  }
+
+  // TODO: Flush pending actions such as texture deletions/unlocks and
+  //       textureHosts recycling.
+
+  return frameId;
+}
+
+bool RendererOGL::EnsureAsyncScreenshot() {
+  if (mCompositor->SupportAsyncScreenshot()) {
+    return true;
+  }
+  if (!mDisableNativeCompositor) {
+    layers::CompositorThread()->Dispatch(
+        NewRunnableFunction("DoWebRenderDisableNativeCompositorRunnable",
+                            &DoWebRenderDisableNativeCompositor, mBridge));
+
+    mDisableNativeCompositor = true;
+    gfxCriticalNote << "Disable native compositor for async screenshot";
+  }
+  return false;
+}
+
+void RendererOGL::CheckGraphicsResetStatus(const char* aCaller, bool aForce) {
+  if (mCompositor) {
+    auto reason = mCompositor->IsContextLost(aForce);
+    if (reason != LOCAL_GL_NO_ERROR) {
+      RenderThread::Get()->HandleDeviceReset(aCaller, reason);
+    }
+  }
+}
+
+void RendererOGL::WaitForGPU() {
+  if (!mCompositor->WaitForGPU()) {
+    CheckGraphicsResetStatus("WaitForGPU", /* aForce */ true);
+  }
+}
+
+ipc::FileDescriptor RendererOGL::GetAndResetReleaseFence() {
+  return mCompositor->GetAndResetReleaseFence();
+}
+
+RenderedFrameId RendererOGL::GetLastCompletedFrameId() {
+  return mCompositor->GetLastCompletedFrameId();
+}
+
+RenderedFrameId RendererOGL::UpdateFrameId() {
+  return mCompositor->UpdateFrameId();
+}
+
+void RendererOGL::Pause() { mCompositor->Pause(); }
+
+bool RendererOGL::Resume() { return mCompositor->Resume(); }
+
+bool RendererOGL::IsPaused() { return mCompositor->IsPaused(); }
+
+layers::SyncObjectHost* RendererOGL::GetSyncObject() const {
+  return mCompositor->GetSyncObject();
+}
+
+gl::GLContext* RendererOGL::gl() const { return mCompositor->gl(); }
+
+void* RendererOGL::swgl() const { return mCompositor->swgl(); }
+
+void RendererOGL::SetFrameStartTime(const TimeStamp& aTime) {
+  if (mFrameStartTime) {
+    // frame start time is already set. This could happen when multiple
+    // generate frame requests are merged by webrender.
+    return;
+  }
+  mFrameStartTime = aTime;
+}
+
+void RendererOGL::BeginRecording(const TimeStamp& aRecordingStart,
+                                 wr::PipelineId aRootPipelineId) {
+  MOZ_ASSERT(!mCompositionRecorder);
+
+  mRootPipelineId = aRootPipelineId;
+  mCompositionRecorder =
+      MakeUnique<layers::CompositionRecorder>(aRecordingStart);
+  mCompositor->MaybeRequestAllowFrameRecording(true);
+}
+
+void RendererOGL::MaybeRecordFrame(const WebRenderPipelineInfo* aPipelineInfo) {
+  if (!mCompositionRecorder || !EnsureAsyncScreenshot()) {
+    return;
+  }
+
+  if (!mRenderer || !aPipelineInfo || !DidPaintContent(aPipelineInfo)) {
+    return;
+  }
+
+  if (mCompositor->MaybeRecordFrame(*mCompositionRecorder)) {
+    return;
+  }
+
+  wr::RecordedFrameHandle handle{0};
+  gfx::IntSize size(0, 0);
+
+  if (wr_renderer_record_frame(mRenderer, wr::ImageFormat::BGRA8, &handle,
+                               &size.width, &size.height)) {
+    RefPtr<layers::RecordedFrame> frame =
+        new RendererRecordedFrame(TimeStamp::Now(), mRenderer, handle, size);
+
+    mCompositionRecorder->RecordFrame(frame);
+  }
+}
+
+bool RendererOGL::DidPaintContent(const WebRenderPipelineInfo* aFrameEpochs) {
+  const wr::WrPipelineInfo& info = aFrameEpochs->Raw();
+  bool didPaintContent = false;
+
+  // Check if a non-root pipeline has updated to a new epoch.
+  // We treat all non-root pipelines as "content" pipelines, even if they're
+  // not fed by content paints, such as videos (see bug 1665512).
+  for (const auto& epoch : info.epochs) {
+    const wr::PipelineId pipelineId = epoch.pipeline_id;
+
+    if (pipelineId == mRootPipelineId) {
+      continue;
+    }
+
+    const auto it = mContentPipelineEpochs.find(AsUint64(pipelineId));
+    if (it == mContentPipelineEpochs.end() || it->second != epoch.epoch) {
+      // This pipeline has updated since last render or has newly rendered.
+      didPaintContent = true;
+      mContentPipelineEpochs[AsUint64(pipelineId)] = epoch.epoch;
+    }
+  }
+
+  for (const auto& removedPipeline : info.removed_pipelines) {
+    const wr::PipelineId pipelineId = removedPipeline.pipeline_id;
+    if (pipelineId == mRootPipelineId) {
+      continue;
+    }
+    mContentPipelineEpochs.erase(AsUint64(pipelineId));
+  }
+
+  return didPaintContent;
+}
+
+Maybe<layers::FrameRecording> RendererOGL::EndRecording() {
+  if (!mCompositionRecorder) {
+    MOZ_DIAGNOSTIC_ASSERT(
+        false, "Attempted to get frames from a window that was not recording.");
+    return Nothing();
+  }
+
+  auto maybeRecording = mCompositionRecorder->GetRecording();
+
+  wr_renderer_release_composition_recorder_structures(mRenderer);
+
+  mCompositor->MaybeRequestAllowFrameRecording(false);
+  mCompositionRecorder = nullptr;
+
+  return maybeRecording;
+}
+
+void RendererOGL::FlushPipelineInfo() {
+  RefPtr<WebRenderPipelineInfo> info = new WebRenderPipelineInfo;
+  wr_renderer_flush_pipeline_info(mRenderer, &info->Raw());
+  mLastPipelineInfo = info;
+}
+
+RenderTextureHost* RendererOGL::GetRenderTexture(
+    wr::ExternalImageId aExternalImageId) {
+  return mThread->GetRenderTexture(aExternalImageId);
+}
+
+void RendererOGL::AccumulateMemoryReport(MemoryReport* aReport) {
+  wr_renderer_accumulate_memory_report(GetRenderer(), aReport, swgl());
+
+  LayoutDeviceIntSize size = mCompositor->GetBufferSize();
+
+  // Assume BGRA8 for the format since it's not exposed anywhere,
+  // and all compositor backends should be using that.
+  uintptr_t swapChainSize = size.width * size.height *
+                            BytesPerPixel(gfx::SurfaceFormat::B8G8R8A8) *
+                            (mCompositor->UseTripleBuffering() ? 3 : 2);
+  aReport->swap_chain += swapChainSize;
+}
+
+void RendererOGL::SetProfilerUI(const nsACString& aUI) {
+  wr_renderer_set_profiler_ui(GetRenderer(), (const uint8_t*)aUI.BeginReading(),
+                              aUI.Length());
+}
+
+}  // namespace wr
+}  // namespace mozilla