root/gpu/command_buffer/client/client_test_helper.cc

DEFINITIONS

1. Initialize
2. GetState
3. GetLastState
4. GetLastToken
5. SetGetOffset
6. WaitForTokenInRange
7. WaitForGetOffsetInRange
8. SetGetBuffer
9. GetNextFreeTransferBufferId
10. CreateTransferBuffer
11. DestroyTransferBufferHelper
12. GetTransferBuffer
13. FlushHelper
14. SetToken
15. SetParseError
16. SetContextLostReason
17. Flush
18. DelegateToFake
19. DelegateToFake

// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// Tests for GLES2Implementation.

#include "gpu/command_buffer/client/client_test_helper.h"

#include "gpu/command_buffer/common/command_buffer.h"
#include "gpu/command_buffer/client/cmd_buffer_helper.h"
#include "testing/gmock/include/gmock/gmock.h"

using ::testing::_;
using ::testing::Invoke;

namespace gpu {

MockCommandBufferBase::MockCommandBufferBase() {
}

MockCommandBufferBase::~MockCommandBufferBase() {
}

bool MockCommandBufferBase::Initialize() {
  return true;
}

CommandBuffer::State MockCommandBufferBase::GetState() {
  return state_;
}

CommandBuffer::State MockCommandBufferBase::GetLastState() {
  return state_;
}

int32 MockCommandBufferBase::GetLastToken() {
  return state_.token;
}

void MockCommandBufferBase::SetGetOffset(int32 get_offset) {
  state_.get_offset = get_offset;
}

void MockCommandBufferBase::WaitForTokenInRange(int32 start, int32 end) {}

void MockCommandBufferBase::WaitForGetOffsetInRange(int32 start, int32 end) {
  state_.get_offset = state_.put_offset;
  OnFlush();
}

void MockCommandBufferBase::SetGetBuffer(int transfer_buffer_id) {
  ring_buffer_buffer_ = GetTransferBuffer(transfer_buffer_id);
  ring_buffer_ =
      static_cast<CommandBufferEntry*>(ring_buffer_buffer_->memory());
  state_.num_entries = ring_buffer_buffer_->size() / sizeof(ring_buffer_[0]);
  state_.token = 10000;  // All token checks in the tests should pass.
}

// Get's the Id of the next transfer buffer that will be returned
// by CreateTransferBuffer. This is useful for testing expected ids.
int32 MockCommandBufferBase::GetNextFreeTransferBufferId() {
  for (size_t ii = 0; ii < arraysize(transfer_buffer_buffers_); ++ii) {
    if (!transfer_buffer_buffers_[ii].get()) {
      return kTransferBufferBaseId + ii;
    }
  }
  return -1;
}

scoped_refptr<gpu::Buffer> MockCommandBufferBase::CreateTransferBuffer(
    size_t size,
    int32* id) {
  *id = GetNextFreeTransferBufferId();
  if (*id >= 0) {
    int32 ndx = *id - kTransferBufferBaseId;
    scoped_ptr<base::SharedMemory> shared_memory(new base::SharedMemory());
    shared_memory->CreateAndMapAnonymous(size);
    transfer_buffer_buffers_[ndx] =
        MakeBufferFromSharedMemory(shared_memory.Pass(), size);
  }
  return GetTransferBuffer(*id);
}

void MockCommandBufferBase::DestroyTransferBufferHelper(int32 id) {
  DCHECK_GE(id, kTransferBufferBaseId);
  DCHECK_LT(id, kTransferBufferBaseId + kMaxTransferBuffers);
  id -= kTransferBufferBaseId;
  transfer_buffer_buffers_[id] = NULL;
}

scoped_refptr<Buffer> MockCommandBufferBase::GetTransferBuffer(int32 id) {
  DCHECK_GE(id, kTransferBufferBaseId);
  DCHECK_LT(id, kTransferBufferBaseId + kMaxTransferBuffers);
  return transfer_buffer_buffers_[id - kTransferBufferBaseId];
}

void MockCommandBufferBase::FlushHelper(int32 put_offset) {
  state_.put_offset = put_offset;
}

void MockCommandBufferBase::SetToken(int32 token) {
  NOTREACHED();
  state_.token = token;
}

void MockCommandBufferBase::SetParseError(error::Error error) {
  NOTREACHED();
  state_.error = error;
}

void MockCommandBufferBase::SetContextLostReason(
    error::ContextLostReason reason) {
  NOTREACHED();
  state_.context_lost_reason = reason;
}

// GCC requires these declarations, but MSVC requires they not be present
#ifndef _MSC_VER
const int32 MockCommandBufferBase::kTransferBufferBaseId;
const int32 MockCommandBufferBase::kMaxTransferBuffers;
#endif

MockClientCommandBuffer::MockClientCommandBuffer() {
  DelegateToFake();
}

MockClientCommandBuffer::~MockClientCommandBuffer() {
}

void MockClientCommandBuffer::Flush(int32 put_offset) {
  FlushHelper(put_offset);
}

void MockClientCommandBuffer::DelegateToFake() {
  ON_CALL(*this, DestroyTransferBuffer(_))
      .WillByDefault(Invoke(
          this, &MockCommandBufferBase::DestroyTransferBufferHelper));
}

MockClientCommandBufferMockFlush::MockClientCommandBufferMockFlush() {
  DelegateToFake();
}

MockClientCommandBufferMockFlush::~MockClientCommandBufferMockFlush() {
}

void MockClientCommandBufferMockFlush::DelegateToFake() {
  MockClientCommandBuffer::DelegateToFake();
  ON_CALL(*this, Flush(_))
      .WillByDefault(Invoke(
          this, &MockCommandBufferBase::FlushHelper));
}

MockClientGpuControl::MockClientGpuControl() {
}

MockClientGpuControl::~MockClientGpuControl() {
}

}  // namespace gpu