cc: make resource keep video buffer format for hardware overlay.

cc/layers/video_layer_impl.cc

Index: cc/layers/video_layer_impl.cc
diff --git a/cc/layers/video_layer_impl.cc b/cc/layers/video_layer_impl.cc
index d63ab87c7ae41664b353642f6a4779a1f92b8ade..f245c11618eb4996f8dd13f4536e69884b9f3d60 100644
--- a/cc/layers/video_layer_impl.cc
+++ b/cc/layers/video_layer_impl.cc
@@ -23,6 +23,54 @@
 
 namespace cc {
 
+namespace {
+
+gfx::BufferFormat GetBufferFormat(media::VideoPixelFormat pixel_format) {
+  switch (pixel_format) {
+    case media::PIXEL_FORMAT_YV12:
+      return gfx::BufferFormat::YVU_420;
+    case media::PIXEL_FORMAT_NV12:
+      return gfx::BufferFormat::YUV_420_BIPLANAR;
+    case media::PIXEL_FORMAT_UYVY:
+      return gfx::BufferFormat::UYVY_422;
+    case media::PIXEL_FORMAT_ARGB:
+      return gfx::BufferFormat::BGRA_8888;
+    case media::PIXEL_FORMAT_XRGB:
+      return gfx::BufferFormat::BGRX_8888;
+    case media::PIXEL_FORMAT_RGB32:
+      return gfx::BufferFormat::RGBX_8888;
+    case media::PIXEL_FORMAT_Y8:
+      return gfx::BufferFormat::R_8;
+    case media::PIXEL_FORMAT_Y16:
+      return gfx::BufferFormat::RG_88;
+    case media::PIXEL_FORMAT_UNKNOWN:
+    case media::PIXEL_FORMAT_I420:
+    case media::PIXEL_FORMAT_YV16:
+    case media::PIXEL_FORMAT_YV12A:
+    case media::PIXEL_FORMAT_YV24:
+    case media::PIXEL_FORMAT_NV21:
+    case media::PIXEL_FORMAT_YUY2:
+    case media::PIXEL_FORMAT_RGB24:
+    case media::PIXEL_FORMAT_MJPEG:
+    case media::PIXEL_FORMAT_MT21:
+    case media::PIXEL_FORMAT_YUV420P9:
+    case media::PIXEL_FORMAT_YUV420P10:
+    case media::PIXEL_FORMAT_YUV422P9:
+    case media::PIXEL_FORMAT_YUV422P10:
+    case media::PIXEL_FORMAT_YUV444P9:
+    case media::PIXEL_FORMAT_YUV444P10:
+    case media::PIXEL_FORMAT_YUV420P12:
+    case media::PIXEL_FORMAT_YUV422P12:
+    case media::PIXEL_FORMAT_YUV444P12:
+    case media::PIXEL_FORMAT_I422:
+      break;
+  }
+  NOTREACHED();
+  return gfx::BufferFormat::BGRA_8888;
+}
+
+}  // namespace
+
 // static
 std::unique_ptr<VideoLayerImpl> VideoLayerImpl::Create(
     LayerTreeImpl* tree_impl,
@@ -48,7 +96,12 @@ VideoLayerImpl::VideoLayerImpl(
     : LayerImpl(tree_impl, id),
       provider_client_impl_(std::move(provider_client_impl)),
       frame_(nullptr),
-      video_rotation_(video_rotation) {
+      video_rotation_(video_rotation),
+      frame_resource_type_(VideoFrameExternalResources::NONE),
+      frame_pixel_format_(media::PIXEL_FORMAT_UNKNOWN),
+      frame_resource_offset_(0.0f),
+      frame_resource_multiplier_(1.0f),
+      frame_bits_per_channel_(8) {
   set_may_contain_video(true);
 }
 
@@ -109,6 +162,7 @@ bool VideoLayerImpl::WillDraw(DrawMode draw_mode,
   VideoFrameExternalResources external_resources =
       updater_->CreateExternalResourcesFromVideoFrame(frame_);
   frame_resource_type_ = external_resources.type;
+  frame_pixel_format_ = external_resources.pixel_format;
 
   if (external_resources.type ==
       VideoFrameExternalResources::SOFTWARE_RESOURCE) {
@@ -320,7 +374,8 @@ void VideoLayerImpl::AppendQuads(RenderPass* render_pass,
           render_pass->CreateAndAppendDrawQuad<StreamVideoDrawQuad>();
       stream_video_quad->SetNew(shared_quad_state, quad_rect, opaque_rect,
                                 visible_quad_rect, frame_resources_[0].id,
-                                frame_resources_[0].size_in_pixels, scale);
+                                frame_resources_[0].size_in_pixels,
+                                GetBufferFormat(frame_pixel_format_), scale);
       ValidateQuadResources(stream_video_quad);
       break;
     }