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     scheduler_.reset(new gpu::GpuScheduler(command_buffer_.get(),
  52                                            decoder_.get(),
  53                                            decoder_.get()));
  54     EXPECT_CALL(*command_buffer_, GetTransferBuffer(kTransferBufferId))
  55        .WillOnce(Return(shared_memory_buffer_));
  56     EXPECT_CALL(*command_buffer_, SetGetOffset(0));
  57     EXPECT_TRUE(scheduler_->SetGetBuffer(kTransferBufferId));
  58   }
  59
  60   virtual void TearDown() {
  61     // Ensure that any unexpected tasks posted by the GPU scheduler are executed
  62     // in order to fail the test.
  63     base::MessageLoop::current()->RunUntilIdle();
  64   }
  65
  66   error::Error GetError() {
  67     return command_buffer_->GetLastState().error;
  68   }
  69
  70 #if defined(OS_MACOSX)
  71   base::mac::ScopedNSAutoreleasePool autorelease_pool_;
  72 #endif
  73   base::MessageLoop message_loop;
  74   scoped_ptr<MockCommandBuffer> command_buffer_;
  75   scoped_refptr<Buffer> shared_memory_buffer_;
  76   int32* buffer_;
  77   scoped_ptr<gles2::MockGLES2Decoder> decoder_;
  78   scoped_ptr<GpuScheduler> scheduler_;
  79 };
  80
  81 TEST_F(GpuSchedulerTest, SchedulerDoesNothingIfRingBufferIsEmpty) {
  82   CommandBuffer::State state;
  83
  84   state.put_offset = 0;
  85   EXPECT_CALL(*command_buffer_, GetLastState())
  86     .WillRepeatedly(Return(state));
  87
  88   EXPECT_CALL(*command_buffer_, SetParseError(_))
  89     .Times(0);
  90
  91   scheduler_->PutChanged();
  92 }
  93
  94 TEST_F(GpuSchedulerTest, GetSetBuffer) {
  95   CommandBuffer::State state;
  96
  97   // Set the get offset to something not 0.
  98   EXPECT_CALL(*command_buffer_, SetGetOffset(2));
  99   scheduler_->SetGetOffset(2);
 100   EXPECT_EQ(2, scheduler_->GetGetOffset());
 101
 102   // Set the buffer.
 103   EXPECT_CALL(*command_buffer_, GetTransferBuffer(kTransferBufferId))
 104      .WillOnce(Return(shared_memory_buffer_));
 105   EXPECT_CALL(*command_buffer_, SetGetOffset(0));
 106   EXPECT_TRUE(scheduler_->SetGetBuffer(kTransferBufferId));
 107
 108   // Check the get offset was reset.
 109   EXPECT_EQ(0, scheduler_->GetGetOffset());
 110 }
 111
 112 TEST_F(GpuSchedulerTest, ProcessesOneCommand) {
 113   CommandHeader* header = reinterpret_cast<CommandHeader*>(&buffer_[0]);
 114   header[0].command = 7;
 115   header[0].size = 2;
 116   buffer_[1] = 123;
 117
 118   CommandBuffer::State state;
 119
 120   state.put_offset = 2;
 121   EXPECT_CALL(*command_buffer_, GetLastState())
 122     .WillRepeatedly(Return(state));
 123   EXPECT_CALL(*command_buffer_, SetGetOffset(2));
 124
 125   EXPECT_CALL(*decoder_, DoCommand(7, 1, &buffer_[0]))
 126     .WillOnce(Return(error::kNoError));
 127
 128   EXPECT_CALL(*command_buffer_, SetParseError(_))
 129     .Times(0);
 130
 131   scheduler_->PutChanged();
 132 }
 133
 134 TEST_F(GpuSchedulerTest, ProcessesTwoCommands) {
 135   CommandHeader* header = reinterpret_cast<CommandHeader*>(&buffer_[0]);
 136   header[0].command = 7;
 137   header[0].size = 2;
 138   buffer_[1] = 123;
 139   header[2].command = 8;
 140   header[2].size = 1;
 141
 142   CommandBuffer::State state;
 143
 144   state.put_offset = 3;
 145   EXPECT_CALL(*command_buffer_, GetLastState())
 146     .WillRepeatedly(Return(state));
 147
 148   EXPECT_CALL(*decoder_, DoCommand(7, 1, &buffer_[0]))
 149     .WillOnce(Return(error::kNoError));
 150   EXPECT_CALL(*command_buffer_, SetGetOffset(2));
 151
 152   EXPECT_CALL(*decoder_, DoCommand(8, 0, &buffer_[2]))
 153     .WillOnce(Return(error::kNoError));
 154   EXPECT_CALL(*command_buffer_, SetGetOffset(3));
 155
 156   scheduler_->PutChanged();
 157 }
 158
 159 TEST_F(GpuSchedulerTest, SetsErrorCodeOnCommandBuffer) {
 160   CommandHeader* header = reinterpret_cast<CommandHeader*>(&buffer_[0]);
 161   header[0].command = 7;
 162   header[0].size = 1;
 163
 164   CommandBuffer::State state;
 165
 166   state.put_offset = 1;
 167   EXPECT_CALL(*command_buffer_, GetLastState())
 168     .WillRepeatedly(Return(state));
 169
 170   EXPECT_CALL(*decoder_, DoCommand(7, 0, &buffer_[0]))
 171     .WillOnce(Return(
 172         error::kUnknownCommand));
 173   EXPECT_CALL(*command_buffer_, SetGetOffset(1));
 174
 175   EXPECT_CALL(*command_buffer_, SetContextLostReason(_));
 176   EXPECT_CALL(*decoder_, GetContextLostReason())
 177     .WillOnce(Return(error::kUnknown));
 178   EXPECT_CALL(*command_buffer_,
 179       SetParseError(error::kUnknownCommand));
 180
 181   scheduler_->PutChanged();
 182 }
 183
 184 TEST_F(GpuSchedulerTest, ProcessCommandsDoesNothingAfterError) {
 185   CommandBuffer::State state;
 186   state.error = error::kGenericError;
 187
 188   EXPECT_CALL(*command_buffer_, GetLastState())
 189     .WillRepeatedly(Return(state));
 190
 191   scheduler_->PutChanged();
 192 }
 193
 194 TEST_F(GpuSchedulerTest, CanGetAddressOfSharedMemory) {
 195   EXPECT_CALL(*command_buffer_.get(), GetTransferBuffer(7))
 196     .WillOnce(Return(shared_memory_buffer_));
 197
 198   EXPECT_EQ(&buffer_[0], scheduler_->GetSharedMemoryBuffer(7)->memory());
 199 }
 200
 201 ACTION_P2(SetPointee, address, value) {
 202   *address = value;
 203 }
 204
 205 TEST_F(GpuSchedulerTest, CanGetSizeOfSharedMemory) {
 206   EXPECT_CALL(*command_buffer_.get(), GetTransferBuffer(7))
 207     .WillOnce(Return(shared_memory_buffer_));
 208
 209   EXPECT_EQ(kRingBufferSize, scheduler_->GetSharedMemoryBuffer(7)->size());
 210 }
 211
 212 TEST_F(GpuSchedulerTest, SetTokenForwardsToCommandBuffer) {
 213   EXPECT_CALL(*command_buffer_, SetToken(7));
 214   scheduler_->set_token(7);
 215 }
 216
 217 }  // namespace gpu