cc: Make OutputSurface::Reshape abstract

cc/output/direct_renderer.h

 // 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.
 
 #ifndef CC_OUTPUT_DIRECT_RENDERER_H_
 #define CC_OUTPUT_DIRECT_RENDERER_H_
 
 #include <memory>
 #include <unordered_map>
 
@@ skipping 63 matching lines @@
     DrawingFrame();
     ~DrawingFrame();
 
     const RenderPassList* render_passes_in_draw_order = nullptr;
     const RenderPass* root_render_pass = nullptr;
     const RenderPass* current_render_pass = nullptr;
     const ScopedResource* current_texture = nullptr;
 
     gfx::Rect root_damage_rect;
     gfx::Size device_viewport_size;
+    gfx::ColorSpace device_color_space;
 
     gfx::Transform projection_matrix;
     gfx::Transform window_matrix;
 
     OverlayCandidateList overlay_list;
     CALayerOverlayList ca_layer_overlay_list;
   };
 
  protected:
   friend class BspWalkActionDrawPolygon;
@@ skipping 67 matching lines @@
   virtual const TileDrawQuad* CanPassBeDrawnDirectly(const RenderPass* pass);
   virtual void FinishDrawingQuadList() {}
   virtual bool FlippedFramebuffer(const DrawingFrame* frame) const = 0;
   virtual void EnsureScissorTestEnabled() = 0;
   virtual void EnsureScissorTestDisabled() = 0;
   virtual void DidChangeVisibility() = 0;
   virtual void CopyCurrentRenderPassToBitmap(
       DrawingFrame* frame,
       std::unique_ptr<CopyOutputRequest> request) = 0;
 
+  gfx::Size surface_size_for_swap_buffers() const {
+    return reshape_surface_size_;
+  }
+
   const RendererSettings* const settings_;
   OutputSurface* const output_surface_;
   ResourceProvider* const resource_provider_;
   // This can be replaced by test implementations.
   std::unique_ptr<OverlayProcessor> overlay_processor_;
 
   // Whether it's valid to SwapBuffers with an empty rect. Trivially true when
   // using partial swap.
   bool allow_empty_swap_;
   // Whether partial swap can be used.
   bool use_partial_swap_;
 
   // TODO(danakj): Just use a vector of pairs here? Hash map is way overkill.
   std::unordered_map<RenderPassId,
                      std::unique_ptr<ScopedResource>,
                      RenderPassIdHash>
       render_pass_textures_;
   std::unordered_map<RenderPassId, TileDrawQuad, RenderPassIdHash>
       render_pass_bypass_quads_;
 
   bool visible_ = false;
 
-  // The size of the surface produced by DrawFrame() for SwapBuffers() to use.
-  gfx::Size surface_size_for_swap_buffers_;
-
   // For use in coordinate conversion, this stores the output rect, viewport
   // rect (= unflipped version of glViewport rect), the size of target
   // framebuffer, and the current window space viewport. During a draw, this
   // stores the values for the current render pass; in between draws, they
   // retain the values for the root render pass of the last draw.
   gfx::Rect current_draw_rect_;
   gfx::Rect current_viewport_rect_;
   gfx::Size current_surface_size_;
   gfx::Rect current_window_space_viewport_;
 
  private:
   bool initialized_ = false;
   gfx::Size enlarge_pass_texture_amount_;
 
+  // Cached values given to Reshape().
+  gfx::Size reshape_surface_size_;
+  float reshape_device_scale_factor_ = 0.f;
+  gfx::ColorSpace reshape_device_color_space_;
+  bool reshape_has_alpha_ = false;
+
   DISALLOW_COPY_AND_ASSIGN(DirectRenderer);
 };
 
 }  // namespace cc
 
 #endif  // CC_OUTPUT_DIRECT_RENDERER_H_