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_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::SetNeedsBeginFrame(bool enable) {
  88   needs_begin_frame_ = enable;
  89   OutputSurface::SetNeedsBeginFrame(enable);
  90
  91   // If there is not BeginFrame emulation from the FrameRateController,
  92   // then we just post a BeginFrame to emulate it as part of the test.
  93   if (enable && !frame_rate_controller_) {
  94     base::MessageLoop::current()->PostDelayedTask(
  95         FROM_HERE,
  96         base::Bind(&FakeOutputSurface::OnBeginFrame,
  97                    fake_weak_ptr_factory_.GetWeakPtr()),
  98         base::TimeDelta::FromMilliseconds(16));
  99   }
 100 }
 101
 102 void FakeOutputSurface::OnBeginFrame() {
 103   OutputSurface::BeginFrame(BeginFrameArgs::CreateForTesting());
 104 }
 105
 106
 107 bool FakeOutputSurface::ForcedDrawToSoftwareDevice() const {
 108   return forced_draw_to_software_device_;
 109 }
 110
 111 bool FakeOutputSurface::BindToClient(OutputSurfaceClient* client) {
 112   if (OutputSurface::BindToClient(client)) {
 113     client_ = client;
 114     if (memory_policy_to_set_at_bind_) {
 115       client_->SetMemoryPolicy(*memory_policy_to_set_at_bind_.get());
 116       memory_policy_to_set_at_bind_.reset();
 117     }
 118     return true;
 119   } else {
 120     return false;
 121   }
 122 }
 123
 124 void FakeOutputSurface::SetTreeActivationCallback(
 125     const base::Closure& callback) {
 126   DCHECK(client_);
 127   client_->SetTreeActivationCallback(callback);
 128 }
 129
 130 void FakeOutputSurface::ReturnResource(unsigned id, CompositorFrameAck* ack) {
 131   TransferableResourceArray::iterator it;
 132   for (it = resources_held_by_parent_.begin();
 133        it != resources_held_by_parent_.end();
 134        ++it) {
 135     if (it->id == id)
 136       break;
 137   }
 138   DCHECK(it != resources_held_by_parent_.end());
 139   ack->resources.push_back(it->ToReturnedResource());
 140   resources_held_by_parent_.erase(it);
 141 }
 142
 143 bool FakeOutputSurface::HasExternalStencilTest() const {
 144   return has_external_stencil_test_;
 145 }
 146
 147 void FakeOutputSurface::SetMemoryPolicyToSetAtBind(
 148     scoped_ptr<ManagedMemoryPolicy> memory_policy_to_set_at_bind) {
 149   memory_policy_to_set_at_bind_.swap(memory_policy_to_set_at_bind);
 150 }
 151
 152 }  // namespace cc