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 "cc/test/begin_frame_args_test.h"
  13 #include "testing/gtest/include/gtest/gtest.h"
  14
  15 namespace cc {
  16
  17 FakeOutputSurface::FakeOutputSurface(
  18     scoped_refptr<ContextProvider> context_provider,
  19     bool delegated_rendering)
  20     : OutputSurface(context_provider),
  21       client_(NULL),
  22       num_sent_frames_(0),
  23       needs_begin_frame_(false),
  24       forced_draw_to_software_device_(false),
  25       has_external_stencil_test_(false),
  26       fake_weak_ptr_factory_(this) {
  27   if (delegated_rendering) {
  28     capabilities_.delegated_rendering = true;
  29     capabilities_.max_frames_pending = 1;
  30   }
  31 }
  32
  33 FakeOutputSurface::FakeOutputSurface(
  34     scoped_ptr<SoftwareOutputDevice> software_device,
  35     bool delegated_rendering)
  36     : OutputSurface(software_device.Pass()),
  37       client_(NULL),
  38       num_sent_frames_(0),
  39       forced_draw_to_software_device_(false),
  40       has_external_stencil_test_(false),
  41       fake_weak_ptr_factory_(this) {
  42   if (delegated_rendering) {
  43     capabilities_.delegated_rendering = true;
  44     capabilities_.max_frames_pending = 1;
  45   }
  46 }
  47
  48 FakeOutputSurface::FakeOutputSurface(
  49     scoped_refptr<ContextProvider> context_provider,
  50     scoped_ptr<SoftwareOutputDevice> software_device,
  51     bool delegated_rendering)
  52     : OutputSurface(context_provider, software_device.Pass()),
  53       client_(NULL),
  54       num_sent_frames_(0),
  55       forced_draw_to_software_device_(false),
  56       has_external_stencil_test_(false),
  57       fake_weak_ptr_factory_(this) {
  58   if (delegated_rendering) {
  59     capabilities_.delegated_rendering = true;
  60     capabilities_.max_frames_pending = 1;
  61   }
  62 }
  63
  64 FakeOutputSurface::~FakeOutputSurface() {}
  65
  66 void FakeOutputSurface::SwapBuffers(CompositorFrame* frame) {
  67   if (frame->software_frame_data || frame->delegated_frame_data ||
  68       !context_provider()) {
  69     frame->AssignTo(&last_sent_frame_);
  70
  71     if (last_sent_frame_.delegated_frame_data) {
  72       resources_held_by_parent_.insert(
  73           resources_held_by_parent_.end(),
  74           last_sent_frame_.delegated_frame_data->resource_list.begin(),
  75           last_sent_frame_.delegated_frame_data->resource_list.end());
  76     }
  77
  78     ++num_sent_frames_;
  79     PostSwapBuffersComplete();
  80     client_->DidSwapBuffers();
  81   } else {
  82     OutputSurface::SwapBuffers(frame);
  83     frame->AssignTo(&last_sent_frame_);
  84     ++num_sent_frames_;
  85   }
  86 }
  87
  88 void FakeOutputSurface::SetNeedsBeginFrame(bool enable) {
  89   needs_begin_frame_ = enable;
  90   OutputSurface::SetNeedsBeginFrame(enable);
  91
  92   if (enable) {
  93     base::MessageLoop::current()->PostDelayedTask(
  94         FROM_HERE,
  95         base::Bind(&FakeOutputSurface::OnBeginFrame,
  96                    fake_weak_ptr_factory_.GetWeakPtr()),
  97         base::TimeDelta::FromMilliseconds(16));
  98   }
  99 }
 100
 101 void FakeOutputSurface::OnBeginFrame() {
 102   client_->BeginFrame(CreateBeginFrameArgsForTesting());
 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<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