Implement on demand quad rasterization for PicturePiles.

cc/quads/tile_draw_quad_base.h

+// Copyright 2013 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_TILE_DRAW_QUAD_BASE_H_
+#define CC_QUADS_TILE_DRAW_QUAD_BASE_H_
+
+#include "base/memory/scoped_ptr.h"
+#include "cc/base/cc_export.h"
+#include "cc/quads/draw_quad.h"
+#include "third_party/khronos/GLES2/gl2.h"
+#include "ui/gfx/point.h"
+#include "ui/gfx/size.h"
+
+namespace cc {
+
+class CC_EXPORT TileDrawQuadBase : public DrawQuad {
+ public:
+  void SetNew(const SharedQuadState* shared_quad_state,
+              DrawQuad::Material material,
+              const gfx::Rect& rect,
+              const gfx::Rect& opaque_rect,
+              const gfx::RectF& tex_coord_rect,
+              const gfx::Size& texture_size,
+              bool swizzle_contents);
+
+  void SetAll(const SharedQuadState* shared_quad_state,
+              DrawQuad::Material material,
+              const gfx::Rect& rect,
+              const gfx::Rect& opaque_rect,
+              const gfx::Rect& visible_rect,
+              bool needs_blending,
+              const gfx::RectF& tex_coord_rect,
+              const gfx::Size& texture_size,
+              bool swizzle_contents);
+
+  gfx::RectF tex_coord_rect;
+  gfx::Size texture_size;
+  bool swizzle_contents;
+
+ protected:
+  TileDrawQuadBase();
+  virtual ~TileDrawQuadBase();
+};
+
+}
+
+#endif  // CC_QUADS_TILE_DRAW_QUAD_BASE_H_