16 bpp video stream capture, render and WebGL usage - Realsense R200 & SR300 support.

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 f1c118d32ae2ff52df77afdee6d1eb2b92fdac72..04cd59e0e87ecdd30be9483d0cf294fdce6c7734 100644
--- a/cc/layers/video_layer_impl.cc
+++ b/cc/layers/video_layer_impl.cc
@@ -12,6 +12,7 @@
 #include "cc/layers/video_frame_provider_client_impl.h"
 #include "cc/quads/stream_video_draw_quad.h"
 #include "cc/quads/texture_draw_quad.h"
+#include "cc/quads/y_video_draw_quad.h"
 #include "cc/quads/yuv_video_draw_quad.h"
 #include "cc/resources/resource_provider.h"
 #include "cc/resources/single_release_callback_impl.h"
@@ -310,6 +311,21 @@ void VideoLayerImpl::AppendQuads(RenderPass* render_pass,
       ValidateQuadResources(texture_quad);
       break;
     }
+    case VideoFrameExternalResources::Y_RESOURCE: {
+      // 16 bit RG88 requires custom bilinear filter in fragment shader.
+      DCHECK_EQ(frame_resources_.size(), 1u);
+      if (frame_resources_.size() < 1u)
+        break;
+      gfx::PointF uv_top_left(0.f, 0.f);
+      gfx::PointF uv_bottom_right(tex_width_scale, tex_height_scale);
+      YVideoDrawQuad* y_video_quad =
+          render_pass->CreateAndAppendDrawQuad<YVideoDrawQuad>();
+      y_video_quad->SetNew(shared_quad_state, quad_rect, opaque_rect,
+                           visible_quad_rect, frame_resources_[0].id,
+                           uv_top_left, uv_bottom_right);
+      ValidateQuadResources(y_video_quad);
+      break;
+    }
     case VideoFrameExternalResources::STREAM_TEXTURE_RESOURCE: {
       DCHECK_EQ(frame_resources_.size(), 1u);
       if (frame_resources_.size() < 1u)