cc/test/fake_output_surface.cc

   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 #include "cc/test/fake_output_surface.h"
   6
   7 #include "base/bind.h"
   8 #include "base/message_loop.h"
   9 #include "cc/output/compositor_frame_ack.h"
  10 #include "cc/output/output_surface_client.h"
  11 #include "testing/gtest/include/gtest/gtest.h"
  12
  13 namespace cc {
  14
  15 FakeOutputSurface::FakeOutputSurface(
  16     scoped_ptr<WebKit::WebGraphicsContext3D> context3d,
  17     bool delegated_rendering)
  18     : OutputSurface(context3d.Pass()),
  19       num_sent_frames_(0),
  20       needs_begin_frame_(false),
  21       forced_draw_to_software_device_(false),
  22       fake_weak_ptr_factory_(this) {
  23   if (delegated_rendering) {
  24     capabilities_.delegated_rendering = true;
  25     capabilities_.max_frames_pending = 1;
  26   }
  27 }
  28
  29 FakeOutputSurface::FakeOutputSurface(
  30     scoped_ptr<SoftwareOutputDevice> software_device, bool delegated_rendering)
  31     : OutputSurface(software_device.Pass()),
  32       num_sent_frames_(0),
  33       forced_draw_to_software_device_(false),
  34       fake_weak_ptr_factory_(this) {
  35   if (delegated_rendering) {
  36     capabilities_.delegated_rendering = true;
  37     capabilities_.max_frames_pending = 1;
  38   }
  39 }
  40
  41 FakeOutputSurface::FakeOutputSurface(
  42     scoped_ptr<WebKit::WebGraphicsContext3D> context3d,
  43     scoped_ptr<SoftwareOutputDevice> software_device,
  44     bool delegated_rendering)
  45     : OutputSurface(context3d.Pass(), software_device.Pass()),
  46       num_sent_frames_(0),
  47       forced_draw_to_software_device_(false),
  48       fake_weak_ptr_factory_(this) {
  49   if (delegated_rendering) {
  50     capabilities_.delegated_rendering = true;
  51     capabilities_.max_frames_pending = 1;
  52   }
  53 }
  54
  55 FakeOutputSurface::~FakeOutputSurface() {}
  56
  57 void FakeOutputSurface::SwapBuffers(CompositorFrame* frame) {
  58   if (frame->software_frame_data || frame->delegated_frame_data ||
  59       !context3d()) {
  60     frame->AssignTo(&last_sent_frame_);
  61     ++num_sent_frames_;
  62     PostSwapBuffersComplete();
  63     DidSwapBuffers();
  64   } else {
  65     OutputSurface::SwapBuffers(frame);
  66     frame->AssignTo(&last_sent_frame_);
  67     ++num_sent_frames_;
  68   }
  69 }
  70
  71 void FakeOutputSurface::SetNeedsBeginFrame(bool enable) {
  72   needs_begin_frame_ = enable;
  73   OutputSurface::SetNeedsBeginFrame(enable);
  74
  75   // If there is not BeginFrame emulation from the FrameRateController,
  76   // then we just post a BeginFrame to emulate it as part of the test.
  77   if (enable && !frame_rate_controller_) {
  78     base::MessageLoop::current()->PostDelayedTask(
  79         FROM_HERE, base::Bind(&FakeOutputSurface::OnBeginFrame,
  80                               fake_weak_ptr_factory_.GetWeakPtr()),
  81         base::TimeDelta::FromMilliseconds(16));
  82   }
  83 }
  84
  85 void FakeOutputSurface::OnBeginFrame() {
  86   OutputSurface::BeginFrame(BeginFrameArgs::CreateForTesting());
  87 }
  88
  89
  90 bool FakeOutputSurface::ForcedDrawToSoftwareDevice() const {
  91   return forced_draw_to_software_device_;
  92 }
  93
  94 bool FakeOutputSurface::SetAndInitializeContext3D(
  95     scoped_ptr<WebKit::WebGraphicsContext3D> context3d) {
  96   return InitializeAndSetContext3D(context3d.Pass(),
  97                                    scoped_refptr<ContextProvider>());
  98 }
  99
 100 }  // namespace cc