1 files changed, 53 insertions, 0 deletions
diff --git a/chromium/cc/layers/solid_color_layer_impl.cc b/chromium/cc/layers/solid_color_layer_impl.cc
new file mode 100644
index 00000000000..faa967be279
--- /dev/null
+++ b/chromium/cc/layers/solid_color_layer_impl.cc
@@ -0,0 +1,53 @@
+// Copyright 2012 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.
+
+#include "cc/layers/solid_color_layer_impl.h"
+
+#include <algorithm>
+
+#include "cc/layers/quad_sink.h"
+#include "cc/quads/solid_color_draw_quad.h"
+
+namespace cc {
+
+SolidColorLayerImpl::SolidColorLayerImpl(LayerTreeImpl* tree_impl, int id)
+    : LayerImpl(tree_impl, id),
+      tile_size_(256) {}
+
+SolidColorLayerImpl::~SolidColorLayerImpl() {}
+
+scoped_ptr<LayerImpl> SolidColorLayerImpl::CreateLayerImpl(
+    LayerTreeImpl* tree_impl) {
+  return SolidColorLayerImpl::Create(tree_impl, id()).PassAs<LayerImpl>();
+}
+
+void SolidColorLayerImpl::AppendQuads(QuadSink* quad_sink,
+                                      AppendQuadsData* append_quads_data) {
+  SharedQuadState* shared_quad_state =
+      quad_sink->UseSharedQuadState(CreateSharedQuadState());
+  AppendDebugBorderQuad(quad_sink, shared_quad_state, append_quads_data);
+
+  // We create a series of smaller quads instead of just one large one so that
+  // the culler can reduce the total pixels drawn.
+  int width = content_bounds().width();
+  int height = content_bounds().height();
+  for (int x = 0; x < width; x += tile_size_) {
+    for (int y = 0; y < height; y += tile_size_) {
+      gfx::Rect solid_tile_rect(x,
+                              y,
+                              std::min(width - x, tile_size_),
+                              std::min(height - y, tile_size_));
+      scoped_ptr<SolidColorDrawQuad> quad = SolidColorDrawQuad::Create();
+      quad->SetNew(
+          shared_quad_state, solid_tile_rect, background_color(), false);
+      quad_sink->Append(quad.PassAs<DrawQuad>(), append_quads_data);
+    }
+  }
+}
+
+const char* SolidColorLayerImpl::LayerTypeAsString() const {
+  return "cc::SolidColorLayerImpl";
+}
+
+}  // namespace cc