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| 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. | |
| 4 | |
| 5 #ifndef CC_OUTPUT_RENDERER_H_ | |
| 6 #define CC_OUTPUT_RENDERER_H_ | |
| 7 | |
| 8 #include <memory> | |
| 9 | |
| 10 #include "base/macros.h" | |
| 11 #include "cc/base/cc_export.h" | |
| 12 #include "cc/output/compositor_frame_metadata.h" | |
| 13 #include "cc/output/renderer_capabilities.h" | |
| 14 #include "cc/output/renderer_settings.h" | |
| 15 #include "cc/resources/returned_resource.h" | |
| 16 #include "ui/gfx/color_space.h" | |
| 17 #include "ui/gfx/geometry/rect.h" | |
| 18 | |
| 19 namespace cc { | |
| 20 | |
| 21 class RenderPass; | |
| 22 class RenderPassId; | |
| 23 class ScopedResource; | |
| 24 class Task; | |
| 25 | |
| 26 typedef std::vector<std::unique_ptr<RenderPass>> RenderPassList; | |
| 27 | |
| 28 struct RendererCapabilitiesImpl { | |
| 29 RendererCapabilitiesImpl(); | |
| 30 ~RendererCapabilitiesImpl(); | |
| 31 | |
| 32 // Capabilities copied to main thread. | |
| 33 ResourceFormat best_texture_format; | |
| 34 bool allow_partial_texture_updates; | |
| 35 int max_texture_size; | |
| 36 bool using_shared_memory_resources; | |
| 37 | |
| 38 // Capabilities used on compositor thread only. | |
| 39 bool using_partial_swap; | |
| 40 // Whether it's valid to SwapBuffers with an empty rect. Trivially true when | |
| 41 // |using_partial_swap|. | |
| 42 bool allow_empty_swap; | |
| 43 bool using_egl_image; | |
| 44 bool using_image; | |
| 45 bool using_discard_framebuffer; | |
| 46 bool allow_rasterize_on_demand; | |
| 47 int max_msaa_samples; | |
| 48 | |
| 49 RendererCapabilities MainThreadCapabilities() const; | |
| 50 }; | |
| 51 | |
| 52 class CC_EXPORT Renderer { | |
| 53 public: | |
| 54 virtual ~Renderer() {} | |
| 55 | |
| 56 virtual const RendererCapabilitiesImpl& Capabilities() const = 0; | |
| 57 | |
| 58 virtual void DecideRenderPassAllocationsForFrame( | |
| 59 const RenderPassList& render_passes_in_draw_order) {} | |
| 60 virtual bool HasAllocatedResourcesForTesting(RenderPassId id) const; | |
| 61 | |
| 62 // This passes ownership of the render passes to the renderer. It should | |
| 63 // consume them, and empty the list. The parameters here may change from frame | |
| 64 // to frame and should not be cached. | |
| 65 // The |device_viewport_rect| and |device_clip_rect| are in non-y-flipped | |
| 66 // window space. | |
| 67 virtual void DrawFrame(RenderPassList* render_passes_in_draw_order, | |
| 68 float device_scale_factor, | |
| 69 const gfx::ColorSpace& device_color_space, | |
| 70 const gfx::Rect& device_viewport_rect, | |
| 71 const gfx::Rect& device_clip_rect) = 0; | |
| 72 | |
| 73 // Puts backbuffer onscreen. | |
| 74 virtual void SwapBuffers(CompositorFrameMetadata metadata) = 0; | |
| 75 virtual void ReclaimResources(const ReturnedResourceArray& resources) {} | |
| 76 | |
| 77 bool visible() const { return visible_; } | |
| 78 void SetVisible(bool visible); | |
| 79 | |
| 80 protected: | |
| 81 explicit Renderer(const RendererSettings* settings) | |
| 82 : settings_(settings), visible_(false) {} | |
| 83 | |
| 84 virtual void DidChangeVisibility() {} | |
| 85 | |
| 86 const RendererSettings* settings_; | |
| 87 bool visible_; | |
| 88 | |
| 89 private: | |
| 90 DISALLOW_COPY_AND_ASSIGN(Renderer); | |
| 91 }; | |
| 92 | |
| 93 } // namespace cc | |
| 94 | |
| 95 #endif // CC_OUTPUT_RENDERER_H_ | |
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Chromium Code Reviews
Issue 2194013002:
cc: Delete the Renderer base class. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@dcheck-delegating