blob: b775285bfb34e5a2917eb43d2bb937164c3144bf [file] [log] [blame]
// 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.
#include "base/basictypes.h"
#include "cc/base/cc_export.h"
#include "cc/base/scoped_ptr_vector.h"
#include "cc/output/renderer_capabilities.h"
#include "cc/output/renderer_settings.h"
#include "ui/gfx/geometry/rect.h"
namespace cc {
class CompositorFrameAck;
class CompositorFrameMetadata;
class RenderPass;
class RenderPassId;
class ScopedResource;
class Task;
typedef ScopedPtrVector<RenderPass> RenderPassList;
struct RendererCapabilitiesImpl {
// Capabilities copied to main thread.
ResourceFormat best_texture_format;
bool allow_partial_texture_updates;
int max_texture_size;
bool using_shared_memory_resources;
// Capabilities used on compositor thread only.
bool using_partial_swap;
bool using_egl_image;
bool using_image;
bool using_discard_framebuffer;
bool allow_rasterize_on_demand;
RendererCapabilities MainThreadCapabilities() const;
class CC_EXPORT RendererClient {
virtual void SetFullRootLayerDamage() = 0;
class CC_EXPORT Renderer {
virtual ~Renderer() {}
virtual const RendererCapabilitiesImpl& Capabilities() const = 0;
virtual void DecideRenderPassAllocationsForFrame(
const RenderPassList& render_passes_in_draw_order) {}
virtual bool HasAllocatedResourcesForTesting(RenderPassId 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,
float device_scale_factor,
const gfx::Rect& device_viewport_rect,
const gfx::Rect& device_clip_rect,
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) {}
bool visible() const { return visible_; }
void SetVisible(bool visible);
Renderer(RendererClient* client, const RendererSettings* settings)
: client_(client), settings_(settings), visible_(true) {}
virtual void DidChangeVisibility() = 0;
RendererClient* client_;
const RendererSettings* settings_;
bool visible_;
} // namespace cc