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

cc/ipc/quads_struct_traits.h

Index: cc/ipc/quads_struct_traits.h
diff --git a/cc/ipc/quads_struct_traits.h b/cc/ipc/quads_struct_traits.h
index 489049ccacb0059adc6c4f44060206c6bb8f0d00..56a22b09d96140e07df02c761993c4d0a2cb2933 100644
--- a/cc/ipc/quads_struct_traits.h
+++ b/cc/ipc/quads_struct_traits.h
@@ -19,6 +19,7 @@
 #include "cc/quads/surface_draw_quad.h"
 #include "cc/quads/texture_draw_quad.h"
 #include "cc/quads/tile_draw_quad.h"
+#include "cc/quads/y_video_draw_quad.h"
 #include "cc/quads/yuv_video_draw_quad.h"
 #include "ui/gfx/geometry/mojo/geometry_struct_traits.h"
 
@@ -53,6 +54,8 @@ struct UnionTraits<cc::mojom::DrawQuadState, cc::DrawQuad> {
         return cc::mojom::DrawQuadState::DataView::Tag::TILE_QUAD_STATE;
       case cc::DrawQuad::YUV_VIDEO_CONTENT:
         return cc::mojom::DrawQuadState::DataView::Tag::YUV_VIDEO_QUAD_STATE;
+      case cc::DrawQuad::Y_VIDEO_CONTENT:
+        return cc::mojom::DrawQuadState::DataView::Tag::Y_VIDEO_QUAD_STATE;
     }
     NOTREACHED();
     return cc::mojom::DrawQuadState::DataView::Tag::DEBUG_BORDER_QUAD_STATE;
@@ -90,6 +93,10 @@ struct UnionTraits<cc::mojom::DrawQuadState, cc::DrawQuad> {
     return quad;
   }
 
+  static const cc::DrawQuad& y_video_quad_state(const cc::DrawQuad& quad) {
+    return quad;
+  }
+
   static bool Read(cc::mojom::DrawQuadState::DataView data, cc::DrawQuad* out) {
     switch (data.tag()) {
       case cc::mojom::DrawQuadState::DataView::Tag::DEBUG_BORDER_QUAD_STATE:
@@ -108,6 +115,8 @@ struct UnionTraits<cc::mojom::DrawQuadState, cc::DrawQuad> {
         return data.ReadStreamVideoQuadState(out);
       case cc::mojom::DrawQuadState::DataView::Tag::YUV_VIDEO_QUAD_STATE:
         return data.ReadYuvVideoQuadState(out);
+      case cc::mojom::DrawQuadState::DataView::Tag::Y_VIDEO_QUAD_STATE:
+        return data.ReadYVideoQuadState(out);
     }
     NOTREACHED();
     return false;
@@ -401,6 +410,36 @@ struct StructTraits<cc::mojom::YUVVideoQuadState, cc::DrawQuad> {
                    cc::DrawQuad* out);
 };
 
+template <>
+struct StructTraits<cc::mojom::YVideoQuadState, cc::DrawQuad> {
+  static bool IsNull(const cc::DrawQuad& input) {
+    return input.material != cc::DrawQuad::Y_VIDEO_CONTENT;
+  }
+
+  static void SetToNull(cc::DrawQuad* output) {
+    // There is nothing to deserialize here if the DrawQuad is not a
+    // YVideoContentDrawQuad. If it is, then this should not be called.
+    DCHECK_NE(cc::DrawQuad::Y_VIDEO_CONTENT, output->material);
+  }
+
+  static uint32_t resource_id(const cc::DrawQuad& input) {
+    const cc::YVideoDrawQuad* quad = cc::YVideoDrawQuad::MaterialCast(&input);
+    return quad->resource_id();
+  }
+
+  static const gfx::PointF& uv_top_left(const cc::DrawQuad& input) {
+    const cc::YVideoDrawQuad* quad = cc::YVideoDrawQuad::MaterialCast(&input);
+    return quad->uv_top_left;
+  }
+
+  static const gfx::PointF& uv_bottom_right(const cc::DrawQuad& input) {
+    const cc::YVideoDrawQuad* quad = cc::YVideoDrawQuad::MaterialCast(&input);
+    return quad->uv_bottom_right;
+  }
+
+  static bool Read(cc::mojom::YVideoQuadStateDataView data, cc::DrawQuad* out);
+};
+
 struct DrawQuadWithSharedQuadState {
   const cc::DrawQuad* quad;
   const cc::SharedQuadState* shared_quad_state;