cc/output/output_surface_unittest.cc

   1 // Copyright 2013 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/output/output_surface.h"
   6
   7 #include "base/test/test_simple_task_runner.h"
   8 #include "cc/output/managed_memory_policy.h"
   9 #include "cc/output/output_surface_client.h"
  10 #include "cc/output/software_output_device.h"
  11 #include "cc/test/fake_output_surface.h"
  12 #include "cc/test/fake_output_surface_client.h"
  13 #include "cc/test/scheduler_test_common.h"
  14 #include "cc/test/test_context_provider.h"
  15 #include "cc/test/test_web_graphics_context_3d.h"
  16 #include "gpu/GLES2/gl2extchromium.h"
  17 #include "testing/gtest/include/gtest/gtest.h"
  18 #include "ui/gfx/frame_time.h"
  19
  20 namespace cc {
  21 namespace {
  22
  23 class TestOutputSurface : public OutputSurface {
  24  public:
  25   explicit TestOutputSurface(scoped_refptr<ContextProvider> context_provider)
  26       : OutputSurface(context_provider) {}
  27
  28   explicit TestOutputSurface(scoped_ptr<SoftwareOutputDevice> software_device)
  29       : OutputSurface(software_device.Pass()) {}
  30
  31   TestOutputSurface(scoped_refptr<ContextProvider> context_provider,
  32                     scoped_ptr<SoftwareOutputDevice> software_device)
  33       : OutputSurface(context_provider, software_device.Pass()) {}
  34
  35   bool InitializeNewContext3d(
  36       scoped_refptr<ContextProvider> new_context_provider) {
  37     return InitializeAndSetContext3d(new_context_provider);
  38   }
  39
  40   using OutputSurface::ReleaseGL;
  41
  42   void CommitVSyncParametersForTesting(base::TimeTicks timebase,
  43                                        base::TimeDelta interval) {
  44     CommitVSyncParameters(timebase, interval);
  45   }
  46
  47   void BeginFrameForTesting() {
  48     client_->BeginFrame(BeginFrameArgs::CreateExpiredForTesting());
  49   }
  50
  51   void DidSwapBuffersForTesting() { client_->DidSwapBuffers(); }
  52
  53   void OnSwapBuffersCompleteForTesting() { client_->DidSwapBuffersComplete(); }
  54
  55  protected:
  56 };
  57
  58 class TestSoftwareOutputDevice : public SoftwareOutputDevice {
  59  public:
  60   TestSoftwareOutputDevice();
  61   virtual ~TestSoftwareOutputDevice();
  62
  63   // Overriden from cc:SoftwareOutputDevice
  64   virtual void DiscardBackbuffer() OVERRIDE;
  65   virtual void EnsureBackbuffer() OVERRIDE;
  66
  67   int discard_backbuffer_count() { return discard_backbuffer_count_; }
  68   int ensure_backbuffer_count() { return ensure_backbuffer_count_; }
  69
  70  private:
  71   int discard_backbuffer_count_;
  72   int ensure_backbuffer_count_;
  73 };
  74
  75 TestSoftwareOutputDevice::TestSoftwareOutputDevice()
  76     : discard_backbuffer_count_(0), ensure_backbuffer_count_(0) {}
  77
  78 TestSoftwareOutputDevice::~TestSoftwareOutputDevice() {}
  79
  80 void TestSoftwareOutputDevice::DiscardBackbuffer() {
  81   SoftwareOutputDevice::DiscardBackbuffer();
  82   discard_backbuffer_count_++;
  83 }
  84
  85 void TestSoftwareOutputDevice::EnsureBackbuffer() {
  86   SoftwareOutputDevice::EnsureBackbuffer();
  87   ensure_backbuffer_count_++;
  88 }
  89
  90 TEST(OutputSurfaceTest, ClientPointerIndicatesBindToClientSuccess) {
  91   scoped_refptr<TestContextProvider> provider = TestContextProvider::Create();
  92   TestOutputSurface output_surface(provider);
  93   EXPECT_FALSE(output_surface.HasClient());
  94
  95   FakeOutputSurfaceClient client;
  96   EXPECT_TRUE(output_surface.BindToClient(&client));
  97   EXPECT_TRUE(output_surface.HasClient());
  98   EXPECT_FALSE(client.deferred_initialize_called());
  99
 100   // Verify DidLoseOutputSurface callback is hooked up correctly.
 101   EXPECT_FALSE(client.did_lose_output_surface_called());
 102   output_surface.context_provider()->ContextGL()->LoseContextCHROMIUM(
 103       GL_GUILTY_CONTEXT_RESET_ARB, GL_INNOCENT_CONTEXT_RESET_ARB);
 104   output_surface.context_provider()->ContextGL()->Flush();
 105   EXPECT_TRUE(client.did_lose_output_surface_called());
 106 }
 107
 108 TEST(OutputSurfaceTest, ClientPointerIndicatesBindToClientFailure) {
 109   scoped_refptr<TestContextProvider> context_provider =
 110       TestContextProvider::Create();
 111
 112   // Lose the context so BindToClient fails.
 113   context_provider->UnboundTestContext3d()->set_context_lost(true);
 114
 115   TestOutputSurface output_surface(context_provider);
 116   EXPECT_FALSE(output_surface.HasClient());
 117
 118   FakeOutputSurfaceClient client;
 119   EXPECT_FALSE(output_surface.BindToClient(&client));
 120   EXPECT_FALSE(output_surface.HasClient());
 121 }
 122
 123 class OutputSurfaceTestInitializeNewContext3d : public ::testing::Test {
 124  public:
 125   OutputSurfaceTestInitializeNewContext3d()
 126       : context_provider_(TestContextProvider::Create()),
 127         output_surface_(
 128             scoped_ptr<SoftwareOutputDevice>(new SoftwareOutputDevice)) {}
 129
 130  protected:
 131   void BindOutputSurface() {
 132     EXPECT_TRUE(output_surface_.BindToClient(&client_));
 133     EXPECT_TRUE(output_surface_.HasClient());
 134   }
 135
 136   void InitializeNewContextExpectFail() {
 137     EXPECT_FALSE(output_surface_.InitializeNewContext3d(context_provider_));
 138     EXPECT_TRUE(output_surface_.HasClient());
 139
 140     EXPECT_FALSE(output_surface_.context_provider());
 141     EXPECT_TRUE(output_surface_.software_device());
 142   }
 143
 144   scoped_refptr<TestContextProvider> context_provider_;
 145   TestOutputSurface output_surface_;
 146   FakeOutputSurfaceClient client_;
 147 };
 148
 149 TEST_F(OutputSurfaceTestInitializeNewContext3d, Success) {
 150   BindOutputSurface();
 151   EXPECT_FALSE(client_.deferred_initialize_called());
 152
 153   EXPECT_TRUE(output_surface_.InitializeNewContext3d(context_provider_));
 154   EXPECT_TRUE(client_.deferred_initialize_called());
 155   EXPECT_EQ(context_provider_, output_surface_.context_provider());
 156
 157   EXPECT_FALSE(client_.did_lose_output_surface_called());
 158   context_provider_->ContextGL()->LoseContextCHROMIUM(
 159       GL_GUILTY_CONTEXT_RESET_ARB, GL_INNOCENT_CONTEXT_RESET_ARB);
 160   context_provider_->ContextGL()->Flush();
 161   EXPECT_TRUE(client_.did_lose_output_surface_called());
 162
 163   output_surface_.ReleaseGL();
 164   EXPECT_FALSE(output_surface_.context_provider());
 165 }
 166
 167 TEST_F(OutputSurfaceTestInitializeNewContext3d, Context3dMakeCurrentFails) {
 168   BindOutputSurface();
 169
 170   context_provider_->UnboundTestContext3d()->set_context_lost(true);
 171   InitializeNewContextExpectFail();
 172 }
 173
 174 TEST(OutputSurfaceTest, MemoryAllocation) {
 175   scoped_refptr<TestContextProvider> context_provider =
 176       TestContextProvider::Create();
 177
 178   TestOutputSurface output_surface(context_provider);
 179
 180   FakeOutputSurfaceClient client;
 181   EXPECT_TRUE(output_surface.BindToClient(&client));
 182
 183   ManagedMemoryPolicy policy(0);
 184   policy.bytes_limit_when_visible = 1234;
 185   policy.priority_cutoff_when_visible =
 186       gpu::MemoryAllocation::CUTOFF_ALLOW_REQUIRED_ONLY;
 187
 188   context_provider->SetMemoryAllocation(policy);
 189   EXPECT_EQ(1234u, client.memory_policy().bytes_limit_when_visible);
 190   EXPECT_EQ(gpu::MemoryAllocation::CUTOFF_ALLOW_REQUIRED_ONLY,
 191             client.memory_policy().priority_cutoff_when_visible);
 192
 193   policy.priority_cutoff_when_visible =
 194       gpu::MemoryAllocation::CUTOFF_ALLOW_EVERYTHING;
 195   context_provider->SetMemoryAllocation(policy);
 196   EXPECT_EQ(gpu::MemoryAllocation::CUTOFF_ALLOW_EVERYTHING,
 197             client.memory_policy().priority_cutoff_when_visible);
 198
 199   // 0 bytes limit should be ignored.
 200   policy.bytes_limit_when_visible = 0;
 201   context_provider->SetMemoryAllocation(policy);
 202   EXPECT_EQ(1234u, client.memory_policy().bytes_limit_when_visible);
 203 }
 204
 205 TEST(OutputSurfaceTest, SoftwareOutputDeviceBackbufferManagement) {
 206   TestSoftwareOutputDevice* software_output_device =
 207       new TestSoftwareOutputDevice();
 208
 209   // TestOutputSurface now owns software_output_device and has responsibility to
 210   // free it.
 211   scoped_ptr<TestSoftwareOutputDevice> p(software_output_device);
 212   TestOutputSurface output_surface(p.PassAs<SoftwareOutputDevice>());
 213
 214   EXPECT_EQ(0, software_output_device->ensure_backbuffer_count());
 215   EXPECT_EQ(0, software_output_device->discard_backbuffer_count());
 216
 217   output_surface.EnsureBackbuffer();
 218   EXPECT_EQ(1, software_output_device->ensure_backbuffer_count());
 219   EXPECT_EQ(0, software_output_device->discard_backbuffer_count());
 220   output_surface.DiscardBackbuffer();
 221
 222   EXPECT_EQ(1, software_output_device->ensure_backbuffer_count());
 223   EXPECT_EQ(1, software_output_device->discard_backbuffer_count());
 224 }
 225
 226 }  // namespace
 227 }  // namespace cc