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 299c446ff609f621438cd36d0536f804f3b56460..0e2191bb609fe4acbcccd19b55655f335a0e63aa 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"
@@ -309,6 +310,24 @@ void VideoLayerImpl::AppendQuads(RenderPass* render_pass,
       ValidateQuadResources(texture_quad);
       break;
     }
+    case VideoFrameExternalResources::Y16_RESOURCE: {
+      // TODO(astojilj) TextureDrawQuad could be used with nearest_neighbor set
+      // - evaluate if it is required to add YVideoDrawQuad for Y16 and Y8.
+      // For now it desnt't look like YVideoDrawQuad is required as the plan
+      // is to render RG or R in original form.
+      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 =

[dshwang, 2016/07/04 18:23:16]

IMO, existing TextureDrawQuad can handle it.

[aleksandar.stojiljkovic, 2016/07/05 19:54:17]

Done.

+          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)