Implement StreamVideoDrawQuad StructTraits

cc/ipc/quads_struct_traits.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CC_IPC_QUADS_STRUCT_TRAITS_H_
 #define CC_IPC_QUADS_STRUCT_TRAITS_H_
 
 #include "cc/ipc/filter_operation_struct_traits.h"
 #include "cc/ipc/filter_operations_struct_traits.h"
 #include "cc/ipc/quads.mojom.h"
@@ skipping 127 matching lines @@
     const cc::SolidColorDrawQuad* quad =
         cc::SolidColorDrawQuad::MaterialCast(&input);
     return quad->force_anti_aliasing_off;
   }
 
   static bool Read(cc::mojom::SolidColorQuadStateDataView data,
                    cc::DrawQuad* out);
 };
 
 template <>
+struct StructTraits<cc::mojom::StreamVideoQuadState, cc::DrawQuad> {
+  static bool IsNull(const cc::DrawQuad& input) {
+    return input.material != cc::DrawQuad::STREAM_VIDEO_CONTENT;
+  }
+
+  static void SetToNull(cc::DrawQuad* output) {
+    // There is nothing to deserialize here if the DrawQuad is not a
+    // StreamVideoDrawQuad. If it is, then this should not be called.
+    DCHECK_NE(cc::DrawQuad::STREAM_VIDEO_CONTENT, output->material);
+  }
+
+  static uint32_t resource_id(const cc::DrawQuad& input) {
+    const cc::StreamVideoDrawQuad* quad =
+        cc::StreamVideoDrawQuad::MaterialCast(&input);
+    return quad->resources.ids[cc::StreamVideoDrawQuad::kResourceIdIndex];
+  }
+
+  static const gfx::Size& resource_size_in_pixels(const cc::DrawQuad& input) {
+    const cc::StreamVideoDrawQuad* quad =
+        cc::StreamVideoDrawQuad::MaterialCast(&input);
+    return quad->overlay_resources
+        .size_in_pixels[cc::StreamVideoDrawQuad::kResourceIdIndex];
+  }
+
+  static const gfx::Transform& matrix(const cc::DrawQuad& input) {
+    const cc::StreamVideoDrawQuad* quad =
+        cc::StreamVideoDrawQuad::MaterialCast(&input);
+    return quad->matrix;
+  }
+
+  static bool Read(cc::mojom::StreamVideoQuadStateDataView data,
+                   cc::DrawQuad* out);
+};
+
+template <>
 struct StructTraits<cc::mojom::SurfaceQuadState, cc::DrawQuad> {
   static bool IsNull(const cc::DrawQuad& input) {
     return input.material != cc::DrawQuad::SURFACE_CONTENT;
   }
 
   static void SetToNull(cc::DrawQuad* output) {
     // There is nothing to deserialize here if the DrawQuad is not a
     // SurfaceDrawQuad. If it is, then this should not be called.
     DCHECK_NE(cc::DrawQuad::SURFACE_CONTENT, output->material);
   }
@@ skipping 234 matching lines @@
   }
 
   static const cc::DrawQuad& texture_quad_state(const cc::DrawQuad& quad) {
     return quad;
   }
 
   static const cc::DrawQuad& tile_quad_state(const cc::DrawQuad& quad) {
     return quad;
   }
 
-  static cc::mojom::StreamVideoQuadStatePtr stream_video_quad_state(
-      const cc::DrawQuad& data) {
-    return nullptr;
+  static const cc::DrawQuad& stream_video_quad_state(const cc::DrawQuad& quad) {
+    return quad;
   }
 
   static const cc::DrawQuad& yuv_video_quad_state(const cc::DrawQuad& data) {
     return data;
   }
 
   static bool Read(cc::mojom::DrawQuadDataView data, cc::DrawQuad* out);
 };
 
 struct QuadListArray {
@@ skipping 33 matching lines @@
       void* context);
   static QuadListArray quads(const cc::QuadList& quad_list) {
     return {quad_list.size(), const_cast<cc::QuadList*>(&quad_list)};
   }
   static bool Read(cc::mojom::QuadListDataView data, cc::QuadList* out);
 };
 
 }  // namespace mojo
 
 #endif  // CC_IPC_QUADS_STRUCT_TRAITS_H_