Bug 1210182 - Implement GrallocTextureHostBasic r=nical

gfx/layers/Compositor.cpp

@@ -11,6 +11,13 @@
 #include "gfx2DGlue.h"
 #include "nsAppRunner.h"
 
+#if defined(MOZ_WIDGET_GONK) && ANDROID_VERSION >= 17
+#include "libdisplay/GonkDisplay.h"     // for GonkDisplay
+#include <ui/Fence.h>
+#include "nsWindow.h"
+#include "nsScreenManagerGonk.h"
+#endif
+
 namespace mozilla {
 namespace gfx {
 class Matrix4x4;
@@ -353,5 +360,49 @@ DecomposeIntoNoRepeatRects(const gfx::Rect& aRect,
   return 4;
 }
 
+#if defined(MOZ_WIDGET_GONK) && ANDROID_VERSION >= 17
+void
+Compositor::SetDispAcquireFence(Layer* aLayer, nsIWidget* aWidget)
+{
+  // OpenGL does not provide ReleaseFence for rendering.
+  // Instead use DispAcquireFence as layer buffer's ReleaseFence
+  // to prevent flickering and tearing.
+  // DispAcquireFence is DisplaySurface's AcquireFence.
+  // AcquireFence will be signaled when a buffer's content is available.
+  // See Bug 974152.
+
+  if (!aLayer || !aWidget) {
+    return;
+  }
+  nsWindow* window = static_cast<nsWindow*>(aWidget);
+  RefPtr<FenceHandle::FdObj> fence = new FenceHandle::FdObj(
+      window->GetScreen()->GetPrevDispAcquireFd());
+  mReleaseFenceHandle.Merge(FenceHandle(fence));
+}
+
+FenceHandle
+Compositor::GetReleaseFence()
+{
+  if (!mReleaseFenceHandle.IsValid()) {
+    return FenceHandle();
+  }
+
+  RefPtr<FenceHandle::FdObj> fdObj = mReleaseFenceHandle.GetDupFdObj();
+  return FenceHandle(fdObj);
+}
+
+#else
+void
+Compositor::SetDispAcquireFence(Layer* aLayer, nsIWidget* aWidget)
+{
+}
+
+FenceHandle
+Compositor::GetReleaseFence()
+{
+  return FenceHandle();
+}
+#endif
+
 } // namespace layers
 } // namespace mozilla

gfx/layers/Compositor.h

@@ -370,12 +370,9 @@ public:
    */
   virtual void EndFrame() = 0;
 
-  virtual void SetDispAcquireFence(Layer* aLayer, nsIWidget* aWidget) {}
+  virtual void SetDispAcquireFence(Layer* aLayer, nsIWidget* aWidget);
 
-  virtual FenceHandle GetReleaseFence()
-  {
-    return FenceHandle();
-  }
+  virtual FenceHandle GetReleaseFence();
 
   /**
    * Post-rendering stuff if the rendering is done outside of this Compositor
@@ -541,6 +538,10 @@ protected:
   RefPtr<gfx::DrawTarget> mTarget;
   gfx::IntRect mTargetBounds;
 
+#if defined(MOZ_WIDGET_GONK) && ANDROID_VERSION >= 17
+  FenceHandle mReleaseFenceHandle;
+#endif
+
 private:
   static LayersBackend sBackend;
 

gfx/layers/GrallocImages.cpp

@@ -397,18 +397,15 @@ ConvertOmxYUVFormatToRGB565(android::sp<GraphicBuffer>& aBuffer,
   return OK;
 }
 
-already_AddRefed<gfx::SourceSurface>
-GrallocImage::GetAsSourceSurface()
+already_AddRefed<gfx::DataSourceSurface>
+GetDataSourceSurfaceFrom(android::sp<android::GraphicBuffer>& aGraphicBuffer,
+                         gfx::IntSize aSize,
+                         const layers::PlanarYCbCrData& aYcbcrData)
 {
-  if (!mTextureClient) {
-    return nullptr;
-  }
-
-  android::sp<GraphicBuffer> graphicBuffer =
-    mTextureClient->GetGraphicBuffer();
+  MOZ_ASSERT(aGraphicBuffer.get());
 
   RefPtr<gfx::DataSourceSurface> surface =
-    gfx::Factory::CreateDataSourceSurface(GetSize(), gfx::SurfaceFormat::R5G6B5);
+    gfx::Factory::CreateDataSourceSurface(aSize, gfx::SurfaceFormat::R5G6B5);
   if (NS_WARN_IF(!surface)) {
     return nullptr;
   }
@@ -420,13 +417,13 @@ GrallocImage::GetAsSourceSurface()
   }
 
   int32_t rv;
-  rv = ConvertOmxYUVFormatToRGB565(graphicBuffer, surface, &mappedSurface, mData);
+  rv = ConvertOmxYUVFormatToRGB565(aGraphicBuffer, surface, &mappedSurface, aYcbcrData);
   if (rv == OK) {
     surface->Unmap();
     return surface.forget();
   }
 
-  rv = ConvertVendorYUVFormatToRGB565(graphicBuffer, surface, &mappedSurface);
+  rv = ConvertVendorYUVFormatToRGB565(aGraphicBuffer, surface, &mappedSurface);
   surface->Unmap();
   if (rv != OK) {
     NS_WARNING("Unknown color format");
@@ -436,6 +433,22 @@ GrallocImage::GetAsSourceSurface()
   return surface.forget();
 }
 
+already_AddRefed<gfx::SourceSurface>
+GrallocImage::GetAsSourceSurface()
+{
+  if (!mTextureClient) {
+    return nullptr;
+  }
+
+  android::sp<GraphicBuffer> graphicBuffer =
+    mTextureClient->GetGraphicBuffer();
+
+  RefPtr<gfx::DataSourceSurface> surface =
+    GetDataSourceSurfaceFrom(graphicBuffer, mSize, mData);
+
+  return surface.forget();
+}
+
 android::sp<android::GraphicBuffer>
 GrallocImage::GetGraphicBuffer() const
 {

gfx/layers/GrallocImages.h

@@ -22,6 +22,11 @@ namespace layers {
 
 class GrallocTextureClientOGL;
 
+already_AddRefed<gfx::DataSourceSurface>
+GetDataSourceSurfaceFrom(android::sp<android::GraphicBuffer>& aGraphicBuffer,
+                         gfx::IntSize aSize,
+                         const layers::PlanarYCbCrData& aYcbcrData);
+
 /**
  * The YUV format supported by Android HAL
  *

gfx/layers/basic/GrallocTextureHostBasic.cpp

@@ -0,0 +1,291 @@
+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * 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 "GrallocTextureHostBasic.h"
+#include "GrallocImages.h"  // for GetDataSourceSurfaceFrom()
+#include "mozilla/layers/SharedBufferManagerParent.h"
+
+#if ANDROID_VERSION >= 17
+#include <ui/Fence.h>
+#endif
+
+namespace mozilla {
+namespace layers {
+
+static SurfaceFormat
+HalFormatToSurfaceFormat(int aHalFormat, TextureFlags aFlags)
+{
+  bool swapRB = bool(aFlags & TextureFlags::RB_SWAPPED);
+  switch (aHalFormat) {
+  case android::PIXEL_FORMAT_BGRA_8888:
+    return swapRB ? gfx::SurfaceFormat::R8G8B8A8 : gfx::SurfaceFormat::B8G8R8A8;
+  case android::PIXEL_FORMAT_RGBA_8888:
+    return swapRB ? gfx::SurfaceFormat::B8G8R8A8 : gfx::SurfaceFormat::R8G8B8A8;
+  case android::PIXEL_FORMAT_RGBX_8888:
+    return swapRB ? gfx::SurfaceFormat::B8G8R8X8 : gfx::SurfaceFormat::R8G8B8X8;
+  case android::PIXEL_FORMAT_RGB_565:
+    return gfx::SurfaceFormat::R5G6B5;
+  case HAL_PIXEL_FORMAT_YCbCr_422_SP:
+  case HAL_PIXEL_FORMAT_YCrCb_420_SP:
+  case HAL_PIXEL_FORMAT_YCbCr_422_I:
+  case GrallocImage::HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED:
+  case GrallocImage::HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS:
+  case HAL_PIXEL_FORMAT_YV12:
+#if defined(MOZ_WIDGET_GONK) && ANDROID_VERSION >= 17
+  case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED:
+#endif
+      // Needs convert to RGB565
+      return gfx::SurfaceFormat::R5G6B5;
+  default:
+    if (aHalFormat >= 0x100 && aHalFormat <= 0x1FF) {
+      // Reserved range for HAL specific formats.
+      // Needs convert to RGB565
+      return gfx::SurfaceFormat::R5G6B5;
+    } else {
+      MOZ_CRASH("Unhandled HAL pixel format");
+      return SurfaceFormat::UNKNOWN; // not reached
+    }
+  }
+}
+
+static bool
+NeedsConvertFromYUVtoRGB565(int aHalFormat)
+{
+  switch (aHalFormat) {
+  case android::PIXEL_FORMAT_BGRA_8888:
+  case android::PIXEL_FORMAT_RGBA_8888:
+  case android::PIXEL_FORMAT_RGBX_8888:
+  case android::PIXEL_FORMAT_RGB_565:
+    return false;
+  case HAL_PIXEL_FORMAT_YCbCr_422_SP:
+  case HAL_PIXEL_FORMAT_YCrCb_420_SP:
+  case HAL_PIXEL_FORMAT_YCbCr_422_I:
+  case GrallocImage::HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED:
+  case GrallocImage::HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS:
+  case HAL_PIXEL_FORMAT_YV12:
+#if defined(MOZ_WIDGET_GONK) && ANDROID_VERSION >= 17
+  case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED:
+#endif
+      return true;
+  default:
+    if (aHalFormat >= 0x100 && aHalFormat <= 0x1FF) {
+      // Reserved range for HAL specific formats.
+      return true;
+    } else {
+      MOZ_CRASH("Unhandled HAL pixel format");
+      return false; // not reached
+    }
+  }
+}
+
+GrallocTextureHostBasic::GrallocTextureHostBasic(
+  TextureFlags aFlags,
+  const NewSurfaceDescriptorGralloc& aDescriptor)
+  : TextureHost(aFlags)
+  , mGrallocHandle(aDescriptor)
+  , mSize(0, 0)
+  , mCropSize(0, 0)
+  , mFormat(gfx::SurfaceFormat::UNKNOWN)
+  , mIsOpaque(aDescriptor.isOpaque())
+{
+  android::GraphicBuffer* grallocBuffer = GetGraphicBufferFromDesc(mGrallocHandle).get();
+  MOZ_ASSERT(grallocBuffer);
+
+  if (grallocBuffer) {
+    mFormat =
+      HalFormatToSurfaceFormat(grallocBuffer->getPixelFormat(),
+                               aFlags & TextureFlags::RB_SWAPPED);
+    mSize = gfx::IntSize(grallocBuffer->getWidth(), grallocBuffer->getHeight());
+    mCropSize = mSize;
+  } else {
+    printf_stderr("gralloc buffer is nullptr\n");
+  }
+}
+
+bool
+GrallocTextureHostBasic::Lock()
+{
+  if (!mCompositor || !IsValid()) {
+    return false;
+  }
+
+  if (mTextureSource) {
+    return true;
+  }
+
+  android::sp<android::GraphicBuffer> graphicBuffer =
+    GetGraphicBufferFromDesc(mGrallocHandle);
+  MOZ_ASSERT(graphicBuffer.get());
+
+  RefPtr<gfx::DataSourceSurface> surf;
+  if (NeedsConvertFromYUVtoRGB565(graphicBuffer->getPixelFormat())) {
+    PlanarYCbCrData ycbcrData;
+    surf = GetDataSourceSurfaceFrom(graphicBuffer,
+                                    mCropSize,
+                                    ycbcrData);
+  } else {
+    uint32_t usage = GRALLOC_USAGE_SW_READ_OFTEN;
+    int32_t rv = graphicBuffer->lock(usage,
+                                     reinterpret_cast<void**>(&mMappedBuffer));
+    if (rv) {
+      mMappedBuffer = nullptr;
+      NS_WARNING("Couldn't lock graphic buffer");
+      return false;
+    }
+    surf = Factory::CreateWrappingDataSourceSurface(
+             mMappedBuffer,
+             graphicBuffer->getStride() * gfx::BytesPerPixel(mFormat),
+             mCropSize,
+             mFormat);
+  }
+  mTextureSource = mCompositor->CreateDataTextureSource(mFlags);
+  mTextureSource->Update(surf, nullptr);
+  return true;
+}
+
+bool
+GrallocTextureHostBasic::IsValid() const
+{
+  android::GraphicBuffer* graphicBuffer = GetGraphicBufferFromDesc(mGrallocHandle).get();
+  return graphicBuffer != nullptr;
+}
+
+bool
+GrallocTextureHostBasic::BindTextureSource(CompositableTextureSourceRef& aTexture)
+{
+  aTexture = mTextureSource;
+  return !!aTexture;
+}
+
+void
+GrallocTextureHostBasic::UnbindTextureSource()
+{
+  ClearTextureSource();
+}
+
+void
+GrallocTextureHostBasic::ClearTextureSource()
+{
+  mTextureSource = nullptr;
+  if (mMappedBuffer) {
+    android::GraphicBuffer* graphicBuffer = GetGraphicBufferFromDesc(mGrallocHandle).get();
+    MOZ_ASSERT(graphicBuffer);
+    mMappedBuffer = nullptr;
+    graphicBuffer->unlock();
+  }
+}
+
+void
+GrallocTextureHostBasic::SetCompositor(Compositor* aCompositor)
+{
+  BasicCompositor* compositor = static_cast<BasicCompositor*>(aCompositor);
+  mCompositor = compositor;
+  if (mTextureSource) {
+    mTextureSource->SetCompositor(compositor);
+  }
+}
+
+gfx::SurfaceFormat
+GrallocTextureHostBasic::GetFormat() const {
+  return mFormat;
+}
+
+void
+GrallocTextureHostBasic::WaitAcquireFenceHandleSyncComplete()
+{
+  if (!mAcquireFenceHandle.IsValid()) {
+    return;
+  }
+
+#if ANDROID_VERSION >= 17
+  RefPtr<FenceHandle::FdObj> fdObj = mAcquireFenceHandle.GetAndResetFdObj();
+  android::sp<android::Fence> fence(
+    new android::Fence(fdObj->GetAndResetFd()));
+
+  // Wait fece complete with timeout.
+  // If a source of the fence becomes invalid because of error,
+  // fene complete is not signaled. See Bug 1061435.
+  int rv = fence->wait(400 /*400 msec*/);
+  if (rv != android::OK) {
+    NS_ERROR("failed to wait fence complete");
+  }
+#endif
+}
+
+void
+GrallocTextureHostBasic::SetCropRect(nsIntRect aCropRect)
+{
+  MOZ_ASSERT(aCropRect.TopLeft() == IntPoint(0, 0));
+  MOZ_ASSERT(!aCropRect.IsEmpty());
+  MOZ_ASSERT(aCropRect.width <= mSize.width);
+  MOZ_ASSERT(aCropRect.height <= mSize.height);
+
+  gfx::IntSize cropSize(aCropRect.width, aCropRect.height);
+  if (mCropSize == cropSize) {
+    return;
+  }
+
+  mCropSize = cropSize;
+  ClearTextureSource();
+}
+
+void
+GrallocTextureHostBasic::DeallocateSharedData()
+{
+  ClearTextureSource();
+
+  if (mGrallocHandle.buffer().type() != MaybeMagicGrallocBufferHandle::Tnull_t) {
+    MaybeMagicGrallocBufferHandle handle = mGrallocHandle.buffer();
+    base::ProcessId owner;
+    if (handle.type() == MaybeMagicGrallocBufferHandle::TGrallocBufferRef) {
+      owner = handle.get_GrallocBufferRef().mOwner;
+    }
+    else {
+      owner = handle.get_MagicGrallocBufferHandle().mRef.mOwner;
+    }
+
+    SharedBufferManagerParent::DropGrallocBuffer(owner, mGrallocHandle);
+  }
+}
+
+void
+GrallocTextureHostBasic::ForgetSharedData()
+{
+  ClearTextureSource();
+}
+
+void
+GrallocTextureHostBasic::DeallocateDeviceData()
+{
+  ClearTextureSource();
+}
+
+LayerRenderState
+GrallocTextureHostBasic::GetRenderState()
+{
+  android::GraphicBuffer* graphicBuffer = GetGraphicBufferFromDesc(mGrallocHandle).get();
+
+  if (graphicBuffer) {
+    LayerRenderStateFlags flags = LayerRenderStateFlags::LAYER_RENDER_STATE_DEFAULT;
+    if (mIsOpaque) {
+      flags |= LayerRenderStateFlags::OPAQUE;
+    }
+    if (mFlags & TextureFlags::ORIGIN_BOTTOM_LEFT) {
+      flags |= LayerRenderStateFlags::ORIGIN_BOTTOM_LEFT;
+    }
+    if (mFlags & TextureFlags::RB_SWAPPED) {
+      flags |= LayerRenderStateFlags::FORMAT_RB_SWAP;
+    }
+    return LayerRenderState(graphicBuffer,
+                            mCropSize,
+                            flags,
+                            this);
+  }
+
+  return LayerRenderState();
+}
+
+} // namespace layers
+} // namespace mozilla

gfx/layers/basic/GrallocTextureHostBasic.h

@@ -0,0 +1,86 @@
+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * 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/. */
+
+#ifndef MOZILLA_GFX_GRALLOCTEXTUREHOST_BASIC_H
+#define MOZILLA_GFX_GRALLOCTEXTUREHOST_BASIC_H
+
+#include "mozilla/layers/BasicCompositor.h"
+#include "mozilla/layers/ShadowLayerUtilsGralloc.h"
+#include "mozilla/layers/TextureHostBasic.h"
+
+namespace mozilla {
+namespace layers {
+
+class BasicCompositor;
+
+/**
+ * A TextureHost for shared gralloc
+ *
+ * Most of the logic actually happens in GrallocTextureSourceBasic.
+ */
+class GrallocTextureHostBasic : public TextureHost
+{
+public:
+  GrallocTextureHostBasic(TextureFlags aFlags,
+                          const NewSurfaceDescriptorGralloc& aDescriptor);
+
+  virtual void SetCompositor(Compositor* aCompositor) override;
+
+  virtual bool Lock() override;
+
+  virtual gfx::SurfaceFormat GetFormat() const override;
+
+  virtual bool BindTextureSource(CompositableTextureSourceRef& aTexture) override;
+
+  virtual void UnbindTextureSource() override;
+
+  virtual already_AddRefed<gfx::DataSourceSurface> GetAsSurface() override
+  {
+    return nullptr; // XXX - implement this (for MOZ_DUMP_PAINTING)
+  }
+
+  virtual void WaitAcquireFenceHandleSyncComplete() override;
+
+  virtual gfx::IntSize GetSize() const override { return mCropSize; }
+
+  virtual void SetCropRect(nsIntRect aCropRect) override;
+
+  virtual void DeallocateSharedData() override;
+
+  virtual void ForgetSharedData() override;
+
+  virtual void DeallocateDeviceData() override;
+
+  virtual LayerRenderState GetRenderState() override;
+
+  bool IsValid() const;
+
+  void ClearTextureSource();
+
+#ifdef MOZ_LAYERS_HAVE_LOG
+  virtual const char* Name() override { return "GrallocTextureHostBasic"; }
+#endif
+
+protected:
+  RefPtr<BasicCompositor> mCompositor;
+  RefPtr<DataTextureSource> mTextureSource;
+  NewSurfaceDescriptorGralloc mGrallocHandle;
+  // gralloc buffer size.
+  gfx::IntSize mSize;
+  // Size reported by TextureClient, can be different in some cases (video?),
+  // used by LayerRenderState.
+  gfx::IntSize mCropSize;
+  gfx::SurfaceFormat mFormat;
+  bool mIsOpaque;
+  /**
+   * Points to a mapped gralloc buffer when TextureSource is valid.
+   */
+  uint8_t* mMappedBuffer;
+};
+
+} // namespace layers
+} // namespace mozilla
+
+#endif // MOZILLA_GFX_GRALLOCTEXTUREHOST_BASIC_H

gfx/layers/basic/TextureHostBasic.cpp

@@ -7,6 +7,9 @@
 #ifdef XP_MACOSX
 #include "MacIOSurfaceTextureHostBasic.h"
 #endif
+#ifdef MOZ_WIDGET_GONK
+#include "GrallocTextureHostBasic.h"
+#endif
 
 using namespace mozilla::gl;
 using namespace mozilla::gfx;
@@ -25,6 +28,13 @@ CreateTextureHostBasic(const SurfaceDescriptor& aDesc,
       aDesc.get_SurfaceDescriptorMacIOSurface();
     return MakeAndAddRef<MacIOSurfaceTextureHostBasic>(aFlags, desc);
   }
+#endif
+#ifdef MOZ_WIDGET_GONK
+  if (aDesc.type() == SurfaceDescriptor::TNewSurfaceDescriptorGralloc) {
+      const NewSurfaceDescriptorGralloc& desc =
+        aDesc.get_NewSurfaceDescriptorGralloc();
+    return MakeAndAddRef<GrallocTextureHostBasic>(aFlags, desc);
+    }
 #endif
   return CreateBackendIndependentTextureHost(aDesc, aDeallocator, aFlags);
 }

gfx/layers/client/TextureClientSharedSurface.cpp

@@ -14,9 +14,12 @@
 #include "SharedSurface.h"
 
 #ifdef MOZ_WIDGET_GONK
+#include "mozilla/layers/GrallocTextureClient.h"
 #include "SharedSurfaceGralloc.h"
 #endif
 
+using namespace mozilla::gl;
+
 namespace mozilla {
 namespace layers {
 

gfx/layers/composite/TextureHost.cpp

@@ -214,10 +214,10 @@ TextureHost::Create(const SurfaceDescriptor& aDesc,
       return CreateBackendIndependentTextureHost(aDesc, aDeallocator, aFlags);
 
     case SurfaceDescriptor::TEGLImageDescriptor:
-    case SurfaceDescriptor::TNewSurfaceDescriptorGralloc:
     case SurfaceDescriptor::TSurfaceTextureDescriptor:
       return CreateTextureHostOGL(aDesc, aDeallocator, aFlags);
 
+    case SurfaceDescriptor::TNewSurfaceDescriptorGralloc:
     case SurfaceDescriptor::TSurfaceDescriptorMacIOSurface:
       if (aBackend == LayersBackend::LAYERS_OPENGL) {
         return CreateTextureHostOGL(aDesc, aDeallocator, aFlags);

gfx/layers/moz.build

@@ -217,9 +217,11 @@ if CONFIG['MOZ_WIDGET_TOOLKIT'] == 'cocoa':
 # has full system permissions there.
 if CONFIG['MOZ_WIDGET_TOOLKIT'] == 'gonk':
     EXPORTS.mozilla.layers += [
+        'basic/GrallocTextureHostBasic.h',
         'ipc/ShadowLayerUtilsGralloc.h',
     ]
     UNIFIED_SOURCES += [
+        'basic/GrallocTextureHostBasic.cpp',
         'GrallocImages.cpp',
         'opengl/EGLImageHelpers.cpp',
         'opengl/GrallocTextureClient.cpp',

gfx/layers/opengl/CompositorOGL.cpp

@@ -51,13 +51,6 @@
 
 #include "GeckoProfiler.h"
 
-#if defined(MOZ_WIDGET_GONK) && ANDROID_VERSION >= 17
-#include "libdisplay/GonkDisplay.h"     // for GonkDisplay
-#include <ui/Fence.h>
-#include "nsWindow.h"
-#include "nsScreenManagerGonk.h"
-#endif
-
 namespace mozilla {
 
 using namespace std;
@@ -1458,50 +1451,6 @@ CompositorOGL::EndFrame()
   }
 }
 
-#if defined(MOZ_WIDGET_GONK) && ANDROID_VERSION >= 17
-void
-CompositorOGL::SetDispAcquireFence(Layer* aLayer, nsIWidget* aWidget)
-{
-  // OpenGL does not provide ReleaseFence for rendering.
-  // Instead use DispAcquireFence as layer buffer's ReleaseFence
-  // to prevent flickering and tearing.
-  // DispAcquireFence is DisplaySurface's AcquireFence.
-  // AcquireFence will be signaled when a buffer's content is available.
-  // See Bug 974152.
-
-  if (!aLayer || !aWidget) {
-    return;
-  }
-  nsWindow* window = static_cast<nsWindow*>(aWidget);
-  RefPtr<FenceHandle::FdObj> fence = new FenceHandle::FdObj(
-      window->GetScreen()->GetPrevDispAcquireFd());
-  mReleaseFenceHandle.Merge(FenceHandle(fence));
-}
-
-FenceHandle
-CompositorOGL::GetReleaseFence()
-{
-  if (!mReleaseFenceHandle.IsValid()) {
-    return FenceHandle();
-  }
-
-  RefPtr<FenceHandle::FdObj> fdObj = mReleaseFenceHandle.GetDupFdObj();
-  return FenceHandle(fdObj);
-}
-
-#else
-void
-CompositorOGL::SetDispAcquireFence(Layer* aLayer, nsIWidget* aWidget)
-{
-}
-
-FenceHandle
-CompositorOGL::GetReleaseFence()
-{
-  return FenceHandle();
-}
-#endif
-
 void
 CompositorOGL::EndFrameForExternalComposition(const gfx::Matrix& aTransform)
 {

gfx/layers/opengl/CompositorOGL.h

@@ -232,8 +232,6 @@ public:
                         const gfx::Rect& aVisibleRect) override;
 
   virtual void EndFrame() override;
-  virtual void SetDispAcquireFence(Layer* aLayer, nsIWidget* aWidget) override;
-  virtual FenceHandle GetReleaseFence() override;
   virtual void EndFrameForExternalComposition(const gfx::Matrix& aTransform) override;
 
   virtual bool SupportsPartialTextureUpdate() override;
@@ -452,7 +450,6 @@ private:
    */
   gfx::IntSize mViewportSize;
 
-  FenceHandle mReleaseFenceHandle;
   ShaderProgramOGL *mCurrentProgram;
 
   gfx::Rect mRenderBound;

gfx/layers/opengl/GrallocTextureHost.cpp

@@ -118,7 +118,7 @@ GrallocTextureHostOGL::GrallocTextureHostOGL(TextureFlags aFlags,
     mSize = gfx::IntSize(graphicBuffer->getWidth(), graphicBuffer->getHeight());
     mCropSize = mSize;
   } else {
-    printf_stderr("gralloc buffer is nullptr");
+    printf_stderr("gralloc buffer is nullptr\n");
   }
 }
 
@@ -419,7 +419,7 @@ GrallocTextureHostOGL::WaitAcquireFenceHandleSyncComplete()
   EGLint status = sEGLLibrary.fClientWaitSync(EGL_DISPLAY(),
                                               sync,
                                               0,
-                                              400000000 /*400 usec*/);
+                                              400000000 /*400 msec*/);
   if (status != LOCAL_EGL_CONDITION_SATISFIED) {
     NS_ERROR("failed to wait native fence sync");
   }

widget/gonk/libdisplay/GonkDisplayJB.cpp

@@ -323,24 +323,41 @@ GonkDisplayJB::DequeueBuffer()
 bool
 GonkDisplayJB::QueueBuffer(ANativeWindowBuffer* buf)
 {
-    int error = 0;
     bool success = false;
+    int error = DoQueueBuffer(buf);
+    // Check for bootAnim or normal display flow.
+    if (!mBootAnimSTClient.get()) {
+        success = Post(mDispSurface->lastHandle, mDispSurface->GetPrevDispAcquireFd());
+    } else {
+        success = Post(mBootAnimDispSurface->lastHandle, mBootAnimDispSurface->GetPrevDispAcquireFd());
+    }
+    return error == 0 && success;
+}
+
+int
+GonkDisplayJB::DoQueueBuffer(ANativeWindowBuffer* buf)
+{
+    int error = 0;
     // Check for bootAnim or normal display flow.
     if (!mBootAnimSTClient.get()) {
         error = mSTClient->queueBuffer(mSTClient.get(), buf, -1);
-        success = Post(mDispSurface->lastHandle, mDispSurface->GetPrevDispAcquireFd());
     } else {
         error = mBootAnimSTClient->queueBuffer(mBootAnimSTClient.get(), buf, -1);
-        success = Post(mBootAnimDispSurface->lastHandle, mBootAnimDispSurface->GetPrevDispAcquireFd());
     }
-
-    return error == 0 && success;
+    return error;
 }
 
 void
 GonkDisplayJB::UpdateDispSurface(EGLDisplay dpy, EGLSurface sur)
 {
-    eglSwapBuffers(dpy, sur);
+    if (sur != EGL_NO_SURFACE) {
+      eglSwapBuffers(dpy, sur);
+    } else {
+      // When BasicCompositor is used as Compositor,
+      // EGLSurface does not exit.
+      ANativeWindowBuffer* buf = DequeueBuffer();
+      DoQueueBuffer(buf);
+    }
 }
 
 void

widget/gonk/libdisplay/GonkDisplayJB.h

@@ -58,6 +58,8 @@ private:
                        uint32_t aWidth, uint32_t aHeight);
     void PowerOnDisplay(int aDpy);
 
+    int DoQueueBuffer(ANativeWindowBuffer* buf);
+
     hw_module_t const*        mModule;
     hw_module_t const*        mFBModule;
     hwc_composer_device_1_t*  mHwc;