1 files changed, 147 insertions, 0 deletions
diff --git a/chromium/cc/quads/render_pass.h b/chromium/cc/quads/render_pass.h
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+++ b/chromium/cc/quads/render_pass.h
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+// 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/cc_export.h"
+#include "cc/base/scoped_ptr_hash_map.h"
+#include "cc/base/scoped_ptr_vector.h"
+#include "skia/ext/refptr.h"
+#include "third_party/skia/include/core/SkColor.h"
+#include "third_party/skia/include/core/SkImageFilter.h"
+#include "ui/gfx/rect.h"
+#include "ui/gfx/rect_f.h"
+#include "ui/gfx/transform.h"
+
+namespace base {
+class Value;
+};
+
+namespace cc {
+
+class DrawQuad;
+class CopyOutputRequest;
+class SharedQuadState;
+
+// A list of DrawQuad objects, sorted internally in front-to-back order.
+class QuadList : public ScopedPtrVector<DrawQuad> {
+ public:
+  typedef reverse_iterator BackToFrontIterator;
+  typedef const_reverse_iterator ConstBackToFrontIterator;
+
+  inline BackToFrontIterator BackToFrontBegin() { return rbegin(); }
+  inline BackToFrontIterator BackToFrontEnd() { return rend(); }
+  inline ConstBackToFrontIterator BackToFrontBegin() const { return rbegin(); }
+  inline ConstBackToFrontIterator BackToFrontEnd() const { return rend(); }
+};
+
+typedef ScopedPtrVector<SharedQuadState> SharedQuadStateList;
+
+class CC_EXPORT RenderPass {
+ public:
+  struct Id {
+    int layer_id;
+    int index;
+
+    Id(int layer_id, int index) : layer_id(layer_id), index(index) {}
+    void* AsTracingId() const;
+
+    bool operator==(const Id& other) const {
+      return layer_id == other.layer_id && index == other.index;
+    }
+    bool operator!=(const Id& other) const {
+      return !(*this == other);
+    }
+    bool operator<(const Id& other) const {
+      return layer_id < other.layer_id ||
+          (layer_id == other.layer_id && index < other.index);
+    }
+  };
+
+  ~RenderPass();
+
+  static scoped_ptr<RenderPass> Create();
+
+  // A shallow copy of the render pass, which does not include its quads.
+  scoped_ptr<RenderPass> Copy(Id new_id) const;
+
+  void SetNew(Id id,
+              gfx::Rect output_rect,
+              gfx::RectF damage_rect,
+              const gfx::Transform& transform_to_root_target);
+
+  void SetAll(Id id,
+              gfx::Rect output_rect,
+              gfx::RectF damage_rect,
+              const gfx::Transform& transform_to_root_target,
+              bool has_transparent_background,
+              bool has_occlusion_from_outside_target_surface);
+
+  scoped_ptr<base::Value> AsValue() const;
+
+  // Uniquely identifies the render pass in the compositor's current frame.
+  Id id;
+
+  // These are in the space of the render pass' physical pixels.
+  gfx::Rect output_rect;
+  gfx::RectF 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 true, then there may be pixels in the render pass' texture that are not
+  // complete, since they are occluded.
+  bool has_occlusion_from_outside_target_surface;
+
+  // 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:
+  RenderPass();
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(RenderPass);
+};
+
+}  // namespace cc
+
+namespace BASE_HASH_NAMESPACE {
+#if defined(COMPILER_MSVC)
+inline size_t hash_value(const cc::RenderPass::Id& key) {
+  return base::HashPair(key.layer_id, key.index);
+}
+#elif defined(COMPILER_GCC)
+template<>
+struct hash<cc::RenderPass::Id> {
+  size_t operator()(cc::RenderPass::Id key) const {
+    return base::HashPair(key.layer_id, key.index);
+  }
+};
+#else
+#error define a hash function for your compiler
+#endif  // COMPILER
+}  // namespace BASE_HASH_NAMESPACE
+
+namespace cc {
+typedef ScopedPtrVector<RenderPass> RenderPassList;
+typedef base::hash_map<RenderPass::Id, RenderPass*> RenderPassIdHashMap;
+}  // namespace cc
+
+#endif  // CC_QUADS_RENDER_PASS_H_