src/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/begin_frame_args_test.h"
  12 #include "cc/test/fake_output_surface.h"
  13 #include "cc/test/fake_output_surface_client.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   void SwapBuffers(CompositorFrame* frame) override {
  36     client_->DidSwapBuffers();
  37     client_->DidSwapBuffersComplete();
  38   }
  39
  40   bool InitializeNewContext3d(
  41       scoped_refptr<ContextProvider> new_context_provider) {
  42     return InitializeAndSetContext3d(new_context_provider);
  43   }
  44
  45   using OutputSurface::ReleaseGL;
  46
  47   void CommitVSyncParametersForTesting(base::TimeTicks timebase,
  48                                        base::TimeDelta interval) {
  49     CommitVSyncParameters(timebase, interval);
  50   }
  51
  52   void BeginFrameForTesting() {
  53     client_->BeginFrame(CreateExpiredBeginFrameArgsForTesting());
  54   }
  55
  56   void DidSwapBuffersForTesting() { client_->DidSwapBuffers(); }
  57
  58   void OnSwapBuffersCompleteForTesting() { client_->DidSwapBuffersComplete(); }
  59
  60  protected:
  61 };
  62
  63 class TestSoftwareOutputDevice : public SoftwareOutputDevice {
  64  public:
  65   TestSoftwareOutputDevice();
  66   ~TestSoftwareOutputDevice() override;
  67
  68   // Overriden from cc:SoftwareOutputDevice
  69   void DiscardBackbuffer() override;
  70   void EnsureBackbuffer() override;
  71
  72   int discard_backbuffer_count() { return discard_backbuffer_count_; }
  73   int ensure_backbuffer_count() { return ensure_backbuffer_count_; }
  74
  75  private:
  76   int discard_backbuffer_count_;
  77   int ensure_backbuffer_count_;
  78 };
  79
  80 TestSoftwareOutputDevice::TestSoftwareOutputDevice()
  81     : discard_backbuffer_count_(0), ensure_backbuffer_count_(0) {}
  82
  83 TestSoftwareOutputDevice::~TestSoftwareOutputDevice() {}
  84
  85 void TestSoftwareOutputDevice::DiscardBackbuffer() {
  86   SoftwareOutputDevice::DiscardBackbuffer();
  87   discard_backbuffer_count_++;
  88 }
  89
  90 void TestSoftwareOutputDevice::EnsureBackbuffer() {
  91   SoftwareOutputDevice::EnsureBackbuffer();
  92   ensure_backbuffer_count_++;
  93 }
  94
  95 TEST(OutputSurfaceTest, ClientPointerIndicatesBindToClientSuccess) {
  96   scoped_refptr<TestContextProvider> provider = TestContextProvider::Create();
  97   TestOutputSurface output_surface(provider);
  98   EXPECT_FALSE(output_surface.HasClient());
  99
 100   FakeOutputSurfaceClient client;
 101   EXPECT_TRUE(output_surface.BindToClient(&client));
 102   EXPECT_TRUE(output_surface.HasClient());
 103   EXPECT_FALSE(client.deferred_initialize_called());
 104
 105   // Verify DidLoseOutputSurface callback is hooked up correctly.
 106   EXPECT_FALSE(client.did_lose_output_surface_called());
 107   output_surface.context_provider()->ContextGL()->LoseContextCHROMIUM(
 108       GL_GUILTY_CONTEXT_RESET_ARB, GL_INNOCENT_CONTEXT_RESET_ARB);
 109   output_surface.context_provider()->ContextGL()->Flush();
 110   EXPECT_TRUE(client.did_lose_output_surface_called());
 111 }
 112
 113 TEST(OutputSurfaceTest, ClientPointerIndicatesBindToClientFailure) {
 114   scoped_refptr<TestContextProvider> context_provider =
 115       TestContextProvider::Create();
 116
 117   // Lose the context so BindToClient fails.
 118   context_provider->UnboundTestContext3d()->set_context_lost(true);
 119
 120   TestOutputSurface output_surface(context_provider);
 121   EXPECT_FALSE(output_surface.HasClient());
 122
 123   FakeOutputSurfaceClient client;
 124   EXPECT_FALSE(output_surface.BindToClient(&client));
 125   EXPECT_FALSE(output_surface.HasClient());
 126 }
 127
 128 class OutputSurfaceTestInitializeNewContext3d : public ::testing::Test {
 129  public:
 130   OutputSurfaceTestInitializeNewContext3d()
 131       : context_provider_(TestContextProvider::Create()),
 132         output_surface_(
 133             scoped_ptr<SoftwareOutputDevice>(new SoftwareOutputDevice)),
 134         client_(&output_surface_) {}
 135
 136  protected:
 137   void BindOutputSurface() {
 138     EXPECT_TRUE(output_surface_.BindToClient(&client_));
 139     EXPECT_TRUE(output_surface_.HasClient());
 140   }
 141
 142   void InitializeNewContextExpectFail() {
 143     EXPECT_FALSE(output_surface_.InitializeNewContext3d(context_provider_));
 144     EXPECT_TRUE(output_surface_.HasClient());
 145
 146     EXPECT_FALSE(output_surface_.context_provider());
 147     EXPECT_TRUE(output_surface_.software_device());
 148   }
 149
 150   scoped_refptr<TestContextProvider> context_provider_;
 151   TestOutputSurface output_surface_;
 152   FakeOutputSurfaceClient client_;
 153 };
 154
 155 TEST_F(OutputSurfaceTestInitializeNewContext3d, Success) {
 156   BindOutputSurface();
 157   EXPECT_FALSE(client_.deferred_initialize_called());
 158
 159   EXPECT_TRUE(output_surface_.InitializeNewContext3d(context_provider_));
 160   EXPECT_TRUE(client_.deferred_initialize_called());
 161   EXPECT_EQ(context_provider_.get(), output_surface_.context_provider());
 162
 163   EXPECT_FALSE(client_.did_lose_output_surface_called());
 164   context_provider_->ContextGL()->LoseContextCHROMIUM(
 165       GL_GUILTY_CONTEXT_RESET_ARB, GL_INNOCENT_CONTEXT_RESET_ARB);
 166   context_provider_->ContextGL()->Flush();
 167   EXPECT_TRUE(client_.did_lose_output_surface_called());
 168
 169   output_surface_.ReleaseGL();
 170   EXPECT_FALSE(output_surface_.context_provider());
 171 }
 172
 173 TEST_F(OutputSurfaceTestInitializeNewContext3d, Context3dMakeCurrentFails) {
 174   BindOutputSurface();
 175
 176   context_provider_->UnboundTestContext3d()->set_context_lost(true);
 177   InitializeNewContextExpectFail();
 178 }
 179
 180 TEST(OutputSurfaceTest, MemoryAllocation) {
 181   scoped_refptr<TestContextProvider> context_provider =
 182       TestContextProvider::Create();
 183
 184   TestOutputSurface output_surface(context_provider);
 185
 186   FakeOutputSurfaceClient client;
 187   EXPECT_TRUE(output_surface.BindToClient(&client));
 188
 189   ManagedMemoryPolicy policy(0);
 190   policy.bytes_limit_when_visible = 1234;
 191   policy.priority_cutoff_when_visible =
 192       gpu::MemoryAllocation::CUTOFF_ALLOW_REQUIRED_ONLY;
 193
 194   context_provider->SetMemoryAllocation(policy);
 195   EXPECT_EQ(1234u, client.memory_policy().bytes_limit_when_visible);
 196   EXPECT_EQ(gpu::MemoryAllocation::CUTOFF_ALLOW_REQUIRED_ONLY,
 197             client.memory_policy().priority_cutoff_when_visible);
 198
 199   policy.priority_cutoff_when_visible =
 200       gpu::MemoryAllocation::CUTOFF_ALLOW_EVERYTHING;
 201   context_provider->SetMemoryAllocation(policy);
 202   EXPECT_EQ(gpu::MemoryAllocation::CUTOFF_ALLOW_EVERYTHING,
 203             client.memory_policy().priority_cutoff_when_visible);
 204
 205   // 0 bytes limit should be ignored.
 206   policy.bytes_limit_when_visible = 0;
 207   context_provider->SetMemoryAllocation(policy);
 208   EXPECT_EQ(1234u, client.memory_policy().bytes_limit_when_visible);
 209 }
 210
 211 TEST(OutputSurfaceTest, SoftwareOutputDeviceBackbufferManagement) {
 212   TestSoftwareOutputDevice* software_output_device =
 213       new TestSoftwareOutputDevice();
 214
 215   // TestOutputSurface now owns software_output_device and has responsibility to
 216   // free it.
 217   TestOutputSurface output_surface(make_scoped_ptr(software_output_device));
 218
 219   EXPECT_EQ(0, software_output_device->ensure_backbuffer_count());
 220   EXPECT_EQ(0, software_output_device->discard_backbuffer_count());
 221
 222   output_surface.EnsureBackbuffer();
 223   EXPECT_EQ(1, software_output_device->ensure_backbuffer_count());
 224   EXPECT_EQ(0, software_output_device->discard_backbuffer_count());
 225   output_surface.DiscardBackbuffer();
 226
 227   EXPECT_EQ(1, software_output_device->ensure_backbuffer_count());
 228   EXPECT_EQ(1, software_output_device->discard_backbuffer_count());
 229 }
 230
 231 }  // namespace
 232 }  // namespace cc