C++ (Cpp) RefPtr::AllocateForSurface示例

示例#1

文件： ContentClient.cpp 项目： plancalculus/xulrunner

bool
ContentClientRemoteBuffer::CreateAndAllocateTextureClient(RefPtr<TextureClient>& aClient,
        TextureFlags aFlags)
{
    // gfx::BackendType::NONE means fallback to the content backend
    aClient = CreateTextureClientForDrawing(mSurfaceFormat,
                                            mTextureInfo.mTextureFlags | aFlags,
                                            gfx::BackendType::NONE,
                                            mSize);
    if (!aClient) {
        return false;
    }

    if (!aClient->AllocateForSurface(mSize, ALLOC_CLEAR_BUFFER)) {
        aClient = CreateTextureClientForDrawing(mSurfaceFormat,
                                                mTextureInfo.mTextureFlags | TEXTURE_ALLOC_FALLBACK | aFlags,
                                                gfx::BackendType::NONE,
                                                mSize);
        if (!aClient) {
            return false;
        }
        if (!aClient->AllocateForSurface(mSize, ALLOC_CLEAR_BUFFER)) {
            NS_WARNING("Could not allocate texture client");
            aClient = nullptr;
            return false;
        }
    }

    NS_WARN_IF_FALSE(aClient->IsValid(), "Created an invalid texture client");
    return true;
}

示例#2

文件： TextureClientPool.cpp 项目： Wrichik1999/gecko-dev

TemporaryRef<TextureClient>
TextureClientPool::GetTextureClient()
{
  mOutstandingClients++;

  // Try to fetch a client from the pool
  RefPtr<TextureClient> textureClient;
  if (mTextureClients.size()) {
    textureClient = mTextureClients.top();
    textureClient->WaitReleaseFence();
    mTextureClients.pop();
    return textureClient;
  }

  // We're increasing the number of outstanding TextureClients without reusing a
  // client, we may need to free a deferred-return TextureClient.
  ShrinkToMaximumSize();

  // No unused clients in the pool, create one
  if (gfxPrefs::ForceShmemTiles()) {
    // gfx::BackendType::NONE means use the content backend
    textureClient = TextureClient::CreateBufferTextureClient(mSurfaceAllocator,
      mFormat, TextureFlags::IMMEDIATE_UPLOAD, gfx::BackendType::NONE);
  } else {
    textureClient = TextureClient::CreateTextureClientForDrawing(mSurfaceAllocator,
      mFormat, TextureFlags::IMMEDIATE_UPLOAD, gfx::BackendType::NONE, mSize);
  }
  textureClient->AllocateForSurface(mSize, ALLOC_DEFAULT);

  return textureClient;
}

示例#3

文件： TextureD3D11.cpp 项目： chenhequn/gecko

TemporaryRef<TextureClient>
TextureClientD3D11::CreateSimilar(TextureFlags aFlags,
                                  TextureAllocationFlags aAllocFlags) const
{
  RefPtr<TextureClient> tex = new TextureClientD3D11(mFormat, mFlags | aFlags);

  if (!tex->AllocateForSurface(mSize, ALLOC_DEFAULT)) {
    return nullptr;
  }

  return tex;
}

示例#4

文件： TextureD3D11.cpp 项目： kapeels/gecko-dev

already_AddRefed<TextureClient>
TextureClientD3D11::CreateSimilar(TextureFlags aFlags,
                                  TextureAllocationFlags aAllocFlags) const
{
  RefPtr<TextureClient> tex = new TextureClientD3D11(mAllocator, mFormat,
                                                     mFlags | aFlags);

  if (!tex->AllocateForSurface(mSize, aAllocFlags)) {
    return nullptr;
  }

  return tex.forget();
}

示例#5

文件： TextureDIB.cpp 项目： AOSC-Dev/Pale-Moon

TemporaryRef<TextureClient>
DIBTextureClient::CreateSimilar(TextureFlags aFlags,
                                TextureAllocationFlags aAllocFlags) const
{
  RefPtr<TextureClient> tex = new DIBTextureClient(mAllocator, mFormat,
                                                   mFlags | aFlags);

  if (!tex->AllocateForSurface(mSize, aAllocFlags)) {
    return nullptr;
  }

  return tex;
}

示例#6

文件： TextureClientX11.cpp 项目： leodmurillo/gecko-dev

TemporaryRef<TextureClient>
TextureClientX11::CreateSimilar(TextureFlags aFlags,
                                TextureAllocationFlags aAllocFlags) const
{
  RefPtr<TextureClient> tex = new TextureClientX11(mAllocator, mFormat, mFlags);

  // mSize is guaranteed to be non-negative
  MOZ_ASSERT(mSize.width >= 0 && mSize.height >= 0);
  if (!tex->AllocateForSurface(mSize, aAllocFlags)) {
    return nullptr;
  }

  return tex;
}

示例#7

文件： ImageContainer.cpp 项目： Wrichik1999/gecko-dev

TextureClient*
CairoImage::GetTextureClient(CompositableClient *aClient)
{
  if (!aClient) {
    return nullptr;
  }

  CompositableForwarder* forwarder = aClient->GetForwarder();
  RefPtr<TextureClient> textureClient = mTextureClients.Get(forwarder->GetSerial());
  if (textureClient) {
    return textureClient;
  }

  RefPtr<SourceSurface> surface = GetAsSourceSurface();
  MOZ_ASSERT(surface);
  if (!surface) {
    return nullptr;
  }

  // gfx::BackendType::NONE means default to content backend
  textureClient = aClient->CreateTextureClientForDrawing(surface->GetFormat(),
                                                         TextureFlags::DEFAULT,
                                                         gfx::BackendType::NONE,
                                                         surface->GetSize());
  if (!textureClient) {
    return nullptr;
  }
  MOZ_ASSERT(textureClient->CanExposeDrawTarget());
  if (!textureClient->AllocateForSurface(surface->GetSize()) ||
      !textureClient->Lock(OpenMode::OPEN_WRITE_ONLY)) {
    return nullptr;
  }

  {
    // We must not keep a reference to the DrawTarget after it has been unlocked.
    RefPtr<DrawTarget> dt = textureClient->GetAsDrawTarget();
    dt->CopySurface(surface, IntRect(IntPoint(), surface->GetSize()), IntPoint());
  }

  textureClient->Unlock();

  mTextureClients.Put(forwarder->GetSerial(), textureClient);
  return textureClient;
}