| // 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_RENDERER_H_ |
| #define CC_OUTPUT_RENDERER_H_ |
| |
| #include "base/basictypes.h" |
| #include "cc/base/cc_export.h" |
| #include "cc/quads/render_pass.h" |
| #include "cc/trees/layer_tree_host.h" |
| |
| namespace cc { |
| |
| class CompositorFrameAck; |
| class CompositorFrameMetadata; |
| class ScopedResource; |
| |
| class CC_EXPORT RendererClient { |
| public: |
| virtual void SetFullRootLayerDamage() = 0; |
| }; |
| |
| class CC_EXPORT Renderer { |
| public: |
| virtual ~Renderer() {} |
| |
| virtual const RendererCapabilities& Capabilities() const = 0; |
| |
| virtual bool CanReadPixels() const = 0; |
| |
| virtual void DecideRenderPassAllocationsForFrame( |
| const RenderPassList& render_passes_in_draw_order) {} |
| virtual bool HasAllocatedResourcesForTesting(RenderPass::Id id) const; |
| |
| // This passes ownership of the render passes to the renderer. It should |
| // consume them, and empty the list. The parameters here may change from frame |
| // to frame and should not be cached. |
| // The |device_viewport_rect| and |device_clip_rect| are in non-y-flipped |
| // window space. |
| virtual void DrawFrame(RenderPassList* render_passes_in_draw_order, |
| ContextProvider* offscreen_context_provider, |
| float device_scale_factor, |
| gfx::Rect device_viewport_rect, |
| gfx::Rect device_clip_rect, |
| bool allow_partial_swap, |
| bool disable_picture_quad_image_filtering) = 0; |
| |
| // Waits for rendering to finish. |
| virtual void Finish() = 0; |
| |
| virtual void DoNoOp() {} |
| |
| // Puts backbuffer onscreen. |
| virtual void SwapBuffers(const CompositorFrameMetadata& metadata) = 0; |
| virtual void ReceiveSwapBuffersAck(const CompositorFrameAck& ack) {} |
| |
| virtual void GetFramebufferPixels(void* pixels, gfx::Rect rect) = 0; |
| |
| virtual bool IsContextLost(); |
| |
| virtual void SetVisible(bool visible) = 0; |
| |
| virtual void SendManagedMemoryStats(size_t bytes_visible, |
| size_t bytes_visible_and_nearby, |
| size_t bytes_allocated) = 0; |
| |
| protected: |
| explicit Renderer(RendererClient* client, const LayerTreeSettings* settings) |
| : client_(client), settings_(settings) {} |
| |
| RendererClient* client_; |
| const LayerTreeSettings* settings_; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(Renderer); |
| }; |
| |
| } // namespace cc |
| |
| #endif // CC_OUTPUT_RENDERER_H_ |