1 // Copyright 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef CC_QUADS_SHARED_QUAD_STATE_H_
6 #define CC_QUADS_SHARED_QUAD_STATE_H_
8 #include "base/memory/scoped_ptr.h"
9 #include "cc/base/cc_export.h"
10 #include "third_party/skia/include/core/SkXfermode.h"
11 #include "ui/gfx/rect.h"
12 #include "ui/gfx/transform.h"
23 // SharedQuadState holds a set of properties that are common across multiple
24 // DrawQuads. It's purely an optimization - the properties behave in exactly the
25 // same way as if they were replicated on each DrawQuad. A given SharedQuadState
26 // can only be shared by DrawQuads that are adjacent in their RenderPass'
28 class CC_EXPORT SharedQuadState {
33 void CopyFrom(const SharedQuadState* other);
35 void SetAll(const gfx::Transform& content_to_target_transform,
36 const gfx::Size& content_bounds,
37 const gfx::Rect& visible_content_rect,
38 const gfx::Rect& clip_rect,
41 SkXfermode::Mode blend_mode,
42 int sorting_context_id);
43 void AsValueInto(base::debug::TracedValue* dict) const;
45 // Transforms from quad's original content space to its target content space.
46 gfx::Transform content_to_target_transform;
47 // This size lives in the content space for the quad's originating layer.
48 gfx::Size content_bounds;
49 // This rect lives in the content space for the quad's originating layer.
50 gfx::Rect visible_content_rect;
51 // This rect lives in the target content space.
55 SkXfermode::Mode blend_mode;
56 int sorting_context_id;
61 #endif // CC_QUADS_SHARED_QUAD_STATE_H_