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