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/message_loop.h"
   9 #include "cc/output/compositor_frame_ack.h"
  10 #include "cc/output/output_surface_client.h"
  11 #include "cc/resources/returned_resource.h"
  12 #include "testing/gtest/include/gtest/gtest.h"
  13
  14 namespace cc {
  15
  16 FakeOutputSurface::FakeOutputSurface(
  17     scoped_refptr<ContextProvider> context_provider,
  18     bool delegated_rendering)
  19     : OutputSurface(context_provider),
  20       client_(NULL),
  21       num_sent_frames_(0),
  22       needs_begin_impl_frame_(false),
  23       forced_draw_to_software_device_(false),
  24       has_external_stencil_test_(false),
  25       fake_weak_ptr_factory_(this) {
  26   if (delegated_rendering) {
  27     capabilities_.delegated_rendering = true;
  28     capabilities_.max_frames_pending = 1;
  29   }
  30 }
  31
  32 FakeOutputSurface::FakeOutputSurface(
  33     scoped_ptr<SoftwareOutputDevice> software_device,
  34     bool delegated_rendering)
  35     : OutputSurface(software_device.Pass()),
  36       client_(NULL),
  37       num_sent_frames_(0),
  38       forced_draw_to_software_device_(false),
  39       has_external_stencil_test_(false),
  40       fake_weak_ptr_factory_(this) {
  41   if (delegated_rendering) {
  42     capabilities_.delegated_rendering = true;
  43     capabilities_.max_frames_pending = 1;
  44   }
  45 }
  46
  47 FakeOutputSurface::FakeOutputSurface(
  48     scoped_refptr<ContextProvider> context_provider,
  49     scoped_ptr<SoftwareOutputDevice> software_device,
  50     bool delegated_rendering)
  51     : OutputSurface(context_provider, software_device.Pass()),
  52       client_(NULL),
  53       num_sent_frames_(0),
  54       forced_draw_to_software_device_(false),
  55       has_external_stencil_test_(false),
  56       fake_weak_ptr_factory_(this) {
  57   if (delegated_rendering) {
  58     capabilities_.delegated_rendering = true;
  59     capabilities_.max_frames_pending = 1;
  60   }
  61 }
  62
  63 FakeOutputSurface::~FakeOutputSurface() {}
  64
  65 void FakeOutputSurface::SwapBuffers(CompositorFrame* frame) {
  66   if (frame->software_frame_data || frame->delegated_frame_data ||
  67       !context_provider()) {
  68     frame->AssignTo(&last_sent_frame_);
  69
  70     if (last_sent_frame_.delegated_frame_data) {
  71       resources_held_by_parent_.insert(
  72           resources_held_by_parent_.end(),
  73           last_sent_frame_.delegated_frame_data->resource_list.begin(),
  74           last_sent_frame_.delegated_frame_data->resource_list.end());
  75     }
  76
  77     ++num_sent_frames_;
  78     PostSwapBuffersComplete();
  79     DidSwapBuffers();
  80   } else {
  81     OutputSurface::SwapBuffers(frame);
  82     frame->AssignTo(&last_sent_frame_);
  83     ++num_sent_frames_;
  84   }
  85 }
  86
  87 void FakeOutputSurface::SetNeedsBeginImplFrame(bool enable) {
  88   needs_begin_impl_frame_ = enable;
  89   OutputSurface::SetNeedsBeginImplFrame(enable);
  90
  91   // If there is not BeginImplFrame emulation from the FrameRateController,
  92   // then we just post a BeginImplFrame to emulate it as part of the test.
  93   if (enable && !frame_rate_controller_) {
  94     base::MessageLoop::current()->PostDelayedTask(
  95         FROM_HERE, base::Bind(&FakeOutputSurface::OnBeginImplFrame,
  96                               fake_weak_ptr_factory_.GetWeakPtr()),
  97         base::TimeDelta::FromMilliseconds(16));
  98   }
  99 }
 100
 101 void FakeOutputSurface::OnBeginImplFrame() {
 102   OutputSurface::BeginImplFrame(BeginFrameArgs::CreateForTesting());
 103 }
 104
 105
 106 bool FakeOutputSurface::ForcedDrawToSoftwareDevice() const {
 107   return forced_draw_to_software_device_;
 108 }
 109
 110 bool FakeOutputSurface::BindToClient(OutputSurfaceClient* client) {
 111   if (OutputSurface::BindToClient(client)) {
 112     client_ = client;
 113     if (memory_policy_to_set_at_bind_) {
 114       client_->SetMemoryPolicy(*memory_policy_to_set_at_bind_.get());
 115       memory_policy_to_set_at_bind_.reset();
 116     }
 117     return true;
 118   } else {
 119     return false;
 120   }
 121 }
 122
 123 void FakeOutputSurface::SetTreeActivationCallback(
 124     const base::Closure& callback) {
 125   DCHECK(client_);
 126   client_->SetTreeActivationCallback(callback);
 127 }
 128
 129 void FakeOutputSurface::ReturnResource(unsigned id, CompositorFrameAck* ack) {
 130   TransferableResourceArray::iterator it;
 131   for (it = resources_held_by_parent_.begin();
 132        it != resources_held_by_parent_.end();
 133        ++it) {
 134     if (it->id == id)
 135       break;
 136   }
 137   DCHECK(it != resources_held_by_parent_.end());
 138   ack->resources.push_back(it->ToReturnedResource());
 139   resources_held_by_parent_.erase(it);
 140 }
 141
 142 bool FakeOutputSurface::HasExternalStencilTest() const {
 143   return has_external_stencil_test_;
 144 }
 145
 146 void FakeOutputSurface::SetMemoryPolicyToSetAtBind(
 147     scoped_ptr<cc::ManagedMemoryPolicy> memory_policy_to_set_at_bind) {
 148   memory_policy_to_set_at_bind_.swap(memory_policy_to_set_at_bind);
 149 }
 150
 151 }  // namespace cc