gpu/command_buffer/service/gpu_scheduler_unittest.cc

   1 // Copyright (c) 2011 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 "base/message_loop/message_loop.h"
   6 #include "gpu/command_buffer/common/command_buffer_mock.h"
   7 #include "gpu/command_buffer/service/gles2_cmd_decoder.h"
   8 #include "gpu/command_buffer/service/gles2_cmd_decoder_mock.h"
   9 #include "gpu/command_buffer/service/gpu_scheduler.h"
  10 #include "gpu/command_buffer/service/mocks.h"
  11 #include "testing/gmock/include/gmock/gmock.h"
  12 #include "testing/gtest/include/gtest/gtest.h"
  13
  14 #if defined(OS_MACOSX)
  15 #include "base/mac/scoped_nsautorelease_pool.h"
  16 #endif
  17
  18 using testing::_;
  19 using testing::DoAll;
  20 using testing::Invoke;
  21 using testing::NiceMock;
  22 using testing::Return;
  23 using testing::SetArgumentPointee;
  24 using testing::StrictMock;
  25
  26 namespace gpu {
  27
  28 const size_t kRingBufferSize = 1024;
  29 const size_t kRingBufferEntries = kRingBufferSize / sizeof(CommandBufferEntry);
  30
  31 class GpuSchedulerTest : public testing::Test {
  32  protected:
  33   static const int32 kTransferBufferId = 123;
  34
  35   virtual void SetUp() {
  36     scoped_ptr<base::SharedMemory> shared_memory(new ::base::SharedMemory);
  37     shared_memory->CreateAndMapAnonymous(kRingBufferSize);
  38     buffer_ = static_cast<int32*>(shared_memory->memory());
  39     shared_memory_buffer_ =
  40         MakeBufferFromSharedMemory(shared_memory.Pass(), kRingBufferSize);
  41     memset(buffer_, 0, kRingBufferSize);
  42
  43     command_buffer_.reset(new MockCommandBuffer);
  44
  45     CommandBuffer::State default_state;
  46     default_state.num_entries = kRingBufferEntries;
  47     ON_CALL(*command_buffer_.get(), GetLastState())
  48         .WillByDefault(Return(default_state));
  49
  50     decoder_.reset(new gles2::MockGLES2Decoder());
  51     // Install FakeDoCommands handler so we can use individual DoCommand()
  52     // expectations.
  53     EXPECT_CALL(*decoder_, DoCommands(_, _, _, _)).WillRepeatedly(
  54         Invoke(decoder_.get(), &gles2::MockGLES2Decoder::FakeDoCommands));
  55
  56     scheduler_.reset(new gpu::GpuScheduler(command_buffer_.get(),
  57                                            decoder_.get(),
  58                                            decoder_.get()));
  59     EXPECT_CALL(*command_buffer_, GetTransferBuffer(kTransferBufferId))
  60        .WillOnce(Return(shared_memory_buffer_));
  61     EXPECT_CALL(*command_buffer_, SetGetOffset(0));
  62     EXPECT_TRUE(scheduler_->SetGetBuffer(kTransferBufferId));
  63   }
  64
  65   virtual void TearDown() {
  66     // Ensure that any unexpected tasks posted by the GPU scheduler are executed
  67     // in order to fail the test.
  68     base::MessageLoop::current()->RunUntilIdle();
  69   }
  70
  71   error::Error GetError() {
  72     return command_buffer_->GetLastState().error;
  73   }
  74
  75 #if defined(OS_MACOSX)
  76   base::mac::ScopedNSAutoreleasePool autorelease_pool_;
  77 #endif
  78   base::MessageLoop message_loop;
  79   scoped_ptr<MockCommandBuffer> command_buffer_;
  80   scoped_refptr<Buffer> shared_memory_buffer_;
  81   int32* buffer_;
  82   scoped_ptr<gles2::MockGLES2Decoder> decoder_;
  83   scoped_ptr<GpuScheduler> scheduler_;
  84 };
  85
  86 TEST_F(GpuSchedulerTest, SchedulerDoesNothingIfRingBufferIsEmpty) {
  87   CommandBuffer::State state;
  88
  89   state.put_offset = 0;
  90   EXPECT_CALL(*command_buffer_, GetLastState())
  91     .WillRepeatedly(Return(state));
  92
  93   EXPECT_CALL(*command_buffer_, SetParseError(_))
  94     .Times(0);
  95
  96   scheduler_->PutChanged();
  97 }
  98
  99 TEST_F(GpuSchedulerTest, GetSetBuffer) {
 100   CommandBuffer::State state;
 101
 102   // Set the get offset to something not 0.
 103   EXPECT_CALL(*command_buffer_, SetGetOffset(2));
 104   scheduler_->SetGetOffset(2);
 105   EXPECT_EQ(2, scheduler_->GetGetOffset());
 106
 107   // Set the buffer.
 108   EXPECT_CALL(*command_buffer_, GetTransferBuffer(kTransferBufferId))
 109      .WillOnce(Return(shared_memory_buffer_));
 110   EXPECT_CALL(*command_buffer_, SetGetOffset(0));
 111   EXPECT_TRUE(scheduler_->SetGetBuffer(kTransferBufferId));
 112
 113   // Check the get offset was reset.
 114   EXPECT_EQ(0, scheduler_->GetGetOffset());
 115 }
 116
 117 TEST_F(GpuSchedulerTest, ProcessesOneCommand) {
 118   CommandHeader* header = reinterpret_cast<CommandHeader*>(&buffer_[0]);
 119   header[0].command = 7;
 120   header[0].size = 2;
 121   buffer_[1] = 123;
 122
 123   CommandBuffer::State state;
 124
 125   state.put_offset = 2;
 126   EXPECT_CALL(*command_buffer_, GetLastState())
 127     .WillRepeatedly(Return(state));
 128   EXPECT_CALL(*command_buffer_, SetGetOffset(2));
 129
 130   EXPECT_CALL(*decoder_, DoCommand(7, 1, &buffer_[0]))
 131     .WillOnce(Return(error::kNoError));
 132
 133   EXPECT_CALL(*command_buffer_, SetParseError(_))
 134     .Times(0);
 135
 136   scheduler_->PutChanged();
 137 }
 138
 139 TEST_F(GpuSchedulerTest, ProcessesTwoCommands) {
 140   CommandHeader* header = reinterpret_cast<CommandHeader*>(&buffer_[0]);
 141   header[0].command = 7;
 142   header[0].size = 2;
 143   buffer_[1] = 123;
 144   header[2].command = 8;
 145   header[2].size = 1;
 146
 147   CommandBuffer::State state;
 148
 149   state.put_offset = 3;
 150   EXPECT_CALL(*command_buffer_, GetLastState())
 151     .WillRepeatedly(Return(state));
 152
 153   EXPECT_CALL(*decoder_, DoCommand(7, 1, &buffer_[0]))
 154     .WillOnce(Return(error::kNoError));
 155
 156   EXPECT_CALL(*decoder_, DoCommand(8, 0, &buffer_[2]))
 157     .WillOnce(Return(error::kNoError));
 158   EXPECT_CALL(*command_buffer_, SetGetOffset(3));
 159
 160   scheduler_->PutChanged();
 161 }
 162
 163 TEST_F(GpuSchedulerTest, SetsErrorCodeOnCommandBuffer) {
 164   CommandHeader* header = reinterpret_cast<CommandHeader*>(&buffer_[0]);
 165   header[0].command = 7;
 166   header[0].size = 1;
 167
 168   CommandBuffer::State state;
 169
 170   state.put_offset = 1;
 171   EXPECT_CALL(*command_buffer_, GetLastState())
 172     .WillRepeatedly(Return(state));
 173
 174   EXPECT_CALL(*decoder_, DoCommand(7, 0, &buffer_[0]))
 175     .WillOnce(Return(
 176         error::kUnknownCommand));
 177   EXPECT_CALL(*command_buffer_, SetGetOffset(1));
 178
 179   EXPECT_CALL(*command_buffer_, SetContextLostReason(_));
 180   EXPECT_CALL(*decoder_, GetContextLostReason())
 181     .WillOnce(Return(error::kUnknown));
 182   EXPECT_CALL(*command_buffer_,
 183       SetParseError(error::kUnknownCommand));
 184
 185   scheduler_->PutChanged();
 186 }
 187
 188 TEST_F(GpuSchedulerTest, ProcessCommandsDoesNothingAfterError) {
 189   CommandBuffer::State state;
 190   state.error = error::kGenericError;
 191
 192   EXPECT_CALL(*command_buffer_, GetLastState())
 193     .WillRepeatedly(Return(state));
 194
 195   scheduler_->PutChanged();
 196 }
 197
 198 TEST_F(GpuSchedulerTest, CanGetAddressOfSharedMemory) {
 199   EXPECT_CALL(*command_buffer_.get(), GetTransferBuffer(7))
 200     .WillOnce(Return(shared_memory_buffer_));
 201
 202   EXPECT_EQ(&buffer_[0], scheduler_->GetSharedMemoryBuffer(7)->memory());
 203 }
 204
 205 ACTION_P2(SetPointee, address, value) {
 206   *address = value;
 207 }
 208
 209 TEST_F(GpuSchedulerTest, CanGetSizeOfSharedMemory) {
 210   EXPECT_CALL(*command_buffer_.get(), GetTransferBuffer(7))
 211     .WillOnce(Return(shared_memory_buffer_));
 212
 213   EXPECT_EQ(kRingBufferSize, scheduler_->GetSharedMemoryBuffer(7)->size());
 214 }
 215
 216 TEST_F(GpuSchedulerTest, SetTokenForwardsToCommandBuffer) {
 217   EXPECT_CALL(*command_buffer_, SetToken(7));
 218   scheduler_->set_token(7);
 219 }
 220
 221 }  // namespace gpu