示例#1
0
void
CanvasClientSurfaceStream::Update(gfx::IntSize aSize, ClientCanvasLayer* aLayer)
{
  if (!mTextureClient) {
    mTextureClient = CreateTextureClient(TEXTURE_STREAM_GL);
    MOZ_ASSERT(mTextureClient, "Failed to create texture client");
  }

  NS_ASSERTION(aLayer->mGLContext, "CanvasClientSurfaceStream should only be used with GL canvases");

  // the content type won't be used
  mTextureClient->EnsureAllocated(aSize, gfxASurface::CONTENT_COLOR);

  GLScreenBuffer* screen = aLayer->mGLContext->Screen();
  SurfaceStream* stream = screen->Stream();

  bool isCrossProcess = !(XRE_GetProcessType() == GoannaProcessType_Default);
  if (isCrossProcess) {
    // swap staging -> consumer so we can send it to the compositor
    SharedSurface* surf = stream->SwapConsumer();
    if (!surf) {
      printf_stderr("surf is null post-SwapConsumer!\n");
      return;
    }

#ifdef MOZ_WIDGET_GONK
    if (surf->Type() != SharedSurfaceType::Gralloc) {
      printf_stderr("Unexpected non-Gralloc SharedSurface in IPC path!");
      return;
    }

    SharedSurface_Gralloc* grallocSurf = SharedSurface_Gralloc::Cast(surf);
    mTextureClient->SetDescriptor(grallocSurf->GetDescriptor());
#else
    printf_stderr("isCrossProcess, but not MOZ_WIDGET_GONK! Someone needs to write some code!");
    MOZ_ASSERT(false);
#endif
    mNeedsUpdate = true;
  } else {
    SurfaceStreamHandle handle = stream->GetShareHandle();
    SurfaceDescriptor *desc = mTextureClient->GetDescriptor();
    if (desc->type() != SurfaceDescriptor::TSurfaceStreamDescriptor ||
        desc->get_SurfaceStreamDescriptor().handle() != handle) {
      *desc = SurfaceStreamDescriptor(handle, false);

      // Ref this so the SurfaceStream doesn't disappear unexpectedly. The
      // Compositor will need to unref it when finished.
      aLayer->mGLContext->AddRef();
      
      mNeedsUpdate = true;
    }
  }

  aLayer->Painted();
}
bool
StreamTextureClientOGL::ToSurfaceDescriptor(SurfaceDescriptor& aOutDescriptor)
{
  if (!IsAllocated()) {
    return false;
  }

  gfx::SurfaceStreamHandle handle = mStream->GetShareHandle();
  aOutDescriptor = SurfaceStreamDescriptor(handle, false);
  return true;
}
示例#3
0
void
CanvasClientWebGL::Update(gfx::IntSize aSize, BasicCanvasLayer* aLayer)
{
  if (!mTextureClient) {
    mTextureClient = CreateTextureClient(TEXTURE_STREAM_GL);
  }

  NS_ASSERTION(aLayer->mGLContext, "CanvasClientWebGL should only be used with GL canvases");

  // the content type won't be used
  mTextureClient->EnsureAllocated(aSize, gfxASurface::CONTENT_COLOR);

  GLScreenBuffer* screen = aLayer->mGLContext->Screen();
  SurfaceStreamHandle handle = screen->Stream()->GetShareHandle();

  mTextureClient->SetDescriptor(SurfaceStreamDescriptor(handle, false));

  aLayer->Painted();
}
示例#4
0
void
DeprecatedCanvasClientSurfaceStream::Update(gfx::IntSize aSize, ClientCanvasLayer* aLayer)
{
  if (!mDeprecatedTextureClient) {
    mDeprecatedTextureClient = CreateDeprecatedTextureClient(TEXTURE_STREAM_GL,
                                                             aLayer->GetSurfaceMode() == SurfaceMode::SURFACE_OPAQUE
                                                               ? gfxContentType::COLOR
                                                               : gfxContentType::COLOR_ALPHA);
    MOZ_ASSERT(mDeprecatedTextureClient, "Failed to create texture client");
  }

  NS_ASSERTION(aLayer->mGLContext, "CanvasClientSurfaceStream should only be used with GL canvases");

  // the content type won't be used
  mDeprecatedTextureClient->EnsureAllocated(aSize, gfxContentType::COLOR);

  GLScreenBuffer* screen = aLayer->mGLContext->Screen();
  SurfaceStream* stream = nullptr;

  if (aLayer->mStream) {
    stream = aLayer->mStream;
    stream->CopySurfaceToProducer(aLayer->mTextureSurface, aLayer->mFactory);
    stream->SwapProducer(aLayer->mFactory, gfx::IntSize(aSize.width, aSize.height));
  } else {
    stream = screen->Stream();
  }

  bool isCrossProcess = !(XRE_GetProcessType() == GeckoProcessType_Default);
  if (isCrossProcess) {
    // swap staging -> consumer so we can send it to the compositor
    SharedSurface* surf = stream->SwapConsumer();
    if (!surf) {
      printf_stderr("surf is null post-SwapConsumer!\n");
      return;
    }

#ifdef MOZ_WIDGET_GONK
    if (surf->Type() != SharedSurfaceType::Gralloc) {
      printf_stderr("Unexpected non-Gralloc SharedSurface in IPC path!");
      return;
    }

    SharedSurface_Gralloc* grallocSurf = SharedSurface_Gralloc::Cast(surf);
    //XXX todo
    //mDeprecatedTextureClient->SetDescriptor(grallocSurf->GetDescriptor());
#else
    printf_stderr("isCrossProcess, but not MOZ_WIDGET_GONK! Someone needs to write some code!");
    MOZ_ASSERT(false);
#endif
  } else {
    SurfaceStreamHandle handle = stream->GetShareHandle();
    mDeprecatedTextureClient->SetDescriptor(SurfaceStreamDescriptor(handle, false));

    // Bug 894405
    //
    // Ref this so the SurfaceStream doesn't disappear unexpectedly. The
    // Compositor will need to unref it when finished.
    aLayer->mGLContext->AddRef();
  }

  aLayer->Painted();
}