Revert "Delete CC."

cc/quads/render_pass.h

+// Copyright 2011 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_QUADS_RENDER_PASS_H_
+#define CC_QUADS_RENDER_PASS_H_
+
+#include <utility>
+
+#include "base/basictypes.h"
+#include "base/callback.h"
+#include "base/containers/hash_tables.h"
+#include "cc/base/scoped_ptr_vector.h"
+#include "cc/quads/list_container.h"
+#include "cc/quads/render_pass_id.h"
+#include "skia/ext/refptr.h"
+#include "ui/gfx/geometry/rect.h"
+#include "ui/gfx/geometry/rect_f.h"
+#include "ui/gfx/transform.h"
+
+namespace base {
+namespace trace_event {
+class TracedValue;
+}
+class Value;
+}
+
+namespace cc {
+
+class DrawQuad;
+class CopyOutputRequest;
+class RenderPassDrawQuad;
+class SharedQuadState;
+
+// A list of DrawQuad objects, sorted internally in front-to-back order.
+class QuadList : public ListContainer<DrawQuad> {
+ public:
+  explicit QuadList(size_t default_size_to_reserve);
+
+  typedef QuadList::ReverseIterator BackToFrontIterator;
+  typedef QuadList::ConstReverseIterator ConstBackToFrontIterator;
+
+  inline BackToFrontIterator BackToFrontBegin() { return rbegin(); }
+  inline BackToFrontIterator BackToFrontEnd() { return rend(); }
+  inline ConstBackToFrontIterator BackToFrontBegin() const { return rbegin(); }
+  inline ConstBackToFrontIterator BackToFrontEnd() const { return rend(); }
+};
+
+typedef ListContainer<SharedQuadState> SharedQuadStateList;
+
+class RenderPass {
+ public:
+  ~RenderPass();
+
+  static scoped_ptr<RenderPass> Create();
+  static scoped_ptr<RenderPass> Create(size_t num_layers);
+  static scoped_ptr<RenderPass> Create(size_t shared_quad_state_list_size,
+                                       size_t quad_list_size);
+
+  // A shallow copy of the render pass, which does not include its quads or copy
+  // requests.
+  scoped_ptr<RenderPass> Copy(RenderPassId new_id) const;
+
+  // A deep copy of the render passes in the list including the quads.
+  static void CopyAll(const ScopedPtrVector<RenderPass>& in,
+                      ScopedPtrVector<RenderPass>* out);
+
+  void SetNew(RenderPassId id,
+              const gfx::Rect& output_rect,
+              const gfx::Rect& damage_rect,
+              const gfx::Transform& transform_to_root_target);
+
+  void SetAll(RenderPassId id,
+              const gfx::Rect& output_rect,
+              const gfx::Rect& damage_rect,
+              const gfx::Transform& transform_to_root_target,
+              bool has_transparent_background);
+
+  void AsValueInto(base::trace_event::TracedValue* dict) const;
+
+  SharedQuadState* CreateAndAppendSharedQuadState();
+
+  template <typename DrawQuadType>
+  DrawQuadType* CreateAndAppendDrawQuad() {
+    return quad_list.AllocateAndConstruct<DrawQuadType>();
+  }
+
+  RenderPassDrawQuad* CopyFromAndAppendRenderPassDrawQuad(
+      const RenderPassDrawQuad* quad,
+      const SharedQuadState* shared_quad_state,
+      RenderPassId render_pass_id);
+  DrawQuad* CopyFromAndAppendDrawQuad(const DrawQuad* quad,
+                                      const SharedQuadState* shared_quad_state);
+
+  // Uniquely identifies the render pass in the compositor's current frame.
+  RenderPassId id;
+
+  // These are in the space of the render pass' physical pixels.
+  gfx::Rect output_rect;
+  gfx::Rect damage_rect;
+
+  // Transforms from the origin of the |output_rect| to the origin of the root
+  // render pass' |output_rect|.
+  gfx::Transform transform_to_root_target;
+
+  // If false, the pixels in the render pass' texture are all opaque.
+  bool has_transparent_background;
+
+  // If non-empty, the renderer should produce a copy of the render pass'
+  // contents as a bitmap, and give a copy of the bitmap to each callback in
+  // this list. This property should not be serialized between compositors, as
+  // it only makes sense in the root compositor.
+  ScopedPtrVector<CopyOutputRequest> copy_requests;
+
+  QuadList quad_list;
+  SharedQuadStateList shared_quad_state_list;
+
+ protected:
+  explicit RenderPass(size_t num_layers);
+  RenderPass();
+  RenderPass(size_t shared_quad_state_list_size, size_t quad_list_size);
+
+ private:
+  template <typename DrawQuadType>
+  DrawQuadType* CopyFromAndAppendTypedDrawQuad(const DrawQuad* quad) {
+    return quad_list.AllocateAndCopyFrom(DrawQuadType::MaterialCast(quad));
+  }
+
+  DISALLOW_COPY_AND_ASSIGN(RenderPass);
+};
+
+}  // namespace cc
+
+namespace BASE_HASH_NAMESPACE {
+template <>
+struct hash<cc::RenderPassId> {
+  size_t operator()(cc::RenderPassId key) const {
+    return base::HashPair(key.layer_id, key.index);
+  }
+};
+}  // namespace BASE_HASH_NAMESPACE
+
+namespace cc {
+typedef ScopedPtrVector<RenderPass> RenderPassList;
+typedef base::hash_map<RenderPassId, RenderPass*> RenderPassIdHashMap;
+}  // namespace cc
+
+#endif  // CC_QUADS_RENDER_PASS_H_