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// Copyright 2021 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.
#include <mfidl.h>
#include <dxgi1_2.h>
#include <mfapi.h>
#include <mferror.h>
#include <wrl.h>
#include <wrl/client.h>
#include "base/memory/scoped_refptr.h"
#include "base/test/task_environment.h"
#include "base/win/windows_version.h"
#include "media/capture/video/win/d3d_capture_test_utils.h"
#include "media/capture/video/win/gpu_memory_buffer_tracker.h"
#include "media/capture/video/win/video_capture_device_factory_win.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
using ::testing::_;
using ::testing::AllOf;
using ::testing::Field;
using ::testing::Invoke;
using ::testing::Mock;
using ::testing::Pointee;
namespace media {
namespace {
class MockDXGIDeviceManager : public DXGIDeviceManager {
public:
MockDXGIDeviceManager()
: DXGIDeviceManager(nullptr, 0),
mock_d3d_device_(new MockD3D11Device()) {}
// Associates a new D3D device with the DXGI Device Manager
HRESULT ResetDevice() override { return S_OK; }
// Directly access D3D device stored in DXGI device manager
Microsoft::WRL::ComPtr<ID3D11Device> GetDevice() override {
Microsoft::WRL::ComPtr<ID3D11Device> device;
mock_d3d_device_.As(&device);
return device;
}
Microsoft::WRL::ComPtr<MockD3D11Device> GetMockDevice() {
return mock_d3d_device_;
}
protected:
~MockDXGIDeviceManager() override {}
Microsoft::WRL::ComPtr<MockD3D11Device> mock_d3d_device_;
};
} // namespace
class GpuMemoryBufferTrackerTest : public ::testing::Test {
protected:
GpuMemoryBufferTrackerTest()
: media_foundation_supported_(
VideoCaptureDeviceFactoryWin::PlatformSupportsMediaFoundation()) {}
bool ShouldSkipTest() {
if (!media_foundation_supported_) {
DVLOG(1) << "Media foundation is not supported by the current platform. "
"Skipping test.";
return true;
}
// D3D11 is only supported with Media Foundation on Windows 8 or later
if (base::win::GetVersion() < base::win::Version::WIN8) {
DVLOG(1) << "D3D11 with Media foundation is not supported by the current "
"platform. "
"Skipping test.";
return true;
}
return false;
}
void SetUp() override {
if (ShouldSkipTest()) {
GTEST_SKIP();
}
dxgi_device_manager_ =
scoped_refptr<MockDXGIDeviceManager>(new MockDXGIDeviceManager());
}
base::test::TaskEnvironment task_environment_;
const bool media_foundation_supported_;
scoped_refptr<MockDXGIDeviceManager> dxgi_device_manager_;
};
TEST_F(GpuMemoryBufferTrackerTest, TextureCreation) {
// Verify that GpuMemoryBufferTracker creates a D3D11 texture with the correct
// properties
const gfx::Size expected_buffer_size = {1920, 1080};
const DXGI_FORMAT expected_buffer_format = DXGI_FORMAT_NV12;
dxgi_device_manager_->GetMockDevice()->SetupDefaultMocks();
EXPECT_CALL(*(dxgi_device_manager_->GetMockDevice().Get()),
OnCreateTexture2D(
Pointee(AllOf(Field(&D3D11_TEXTURE2D_DESC::Format,
expected_buffer_format),
Field(&D3D11_TEXTURE2D_DESC::Width,
static_cast<const unsigned int>(
expected_buffer_size.width())),
Field(&D3D11_TEXTURE2D_DESC::Height,
static_cast<const unsigned int>(
expected_buffer_size.height())))),
_, _));
std::unique_ptr<VideoCaptureBufferTracker> tracker =
std::make_unique<GpuMemoryBufferTracker>(dxgi_device_manager_);
EXPECT_EQ(tracker->Init(expected_buffer_size, PIXEL_FORMAT_NV12, nullptr),
true);
}
TEST_F(GpuMemoryBufferTrackerTest, TextureRecreationOnDeviceLoss) {
// Verify that GpuMemoryBufferTracker recreates a D3D11 texture with the
// correct properties when there is a device loss
const gfx::Size expected_buffer_size = {1920, 1080};
const DXGI_FORMAT expected_buffer_format = DXGI_FORMAT_NV12;
dxgi_device_manager_->GetMockDevice()->SetupDefaultMocks();
// Expect two texture creation calls (the second occurs on device loss
// recovery)
EXPECT_CALL(*(dxgi_device_manager_->GetMockDevice().Get()),
OnCreateTexture2D(
Pointee(AllOf(Field(&D3D11_TEXTURE2D_DESC::Format,
expected_buffer_format),
Field(&D3D11_TEXTURE2D_DESC::Width,
static_cast<const unsigned int>(
expected_buffer_size.width())),
Field(&D3D11_TEXTURE2D_DESC::Height,
static_cast<const unsigned int>(
expected_buffer_size.height())))),
_, _))
.Times(2);
// Mock device loss
EXPECT_CALL(*(dxgi_device_manager_->GetMockDevice().Get()),
OnGetDeviceRemovedReason())
.WillOnce(Invoke([]() { return DXGI_ERROR_DEVICE_REMOVED; }));
// Create and init tracker (causes initial texture creation)
std::unique_ptr<VideoCaptureBufferTracker> tracker =
std::make_unique<GpuMemoryBufferTracker>(dxgi_device_manager_);
EXPECT_EQ(tracker->Init(expected_buffer_size, PIXEL_FORMAT_NV12, nullptr),
true);
// Get GpuMemoryBufferHandle (should trigger device/texture recreation)
gfx::GpuMemoryBufferHandle gmb = tracker->GetGpuMemoryBufferHandle();
}
TEST_F(GpuMemoryBufferTrackerTest, GetMemorySizeInBytes) {
// Verify that GpuMemoryBufferTracker returns an expected value from
// GetMemorySizeInBytes
const gfx::Size expected_buffer_size = {1920, 1080};
dxgi_device_manager_->GetMockDevice()->SetupDefaultMocks();
std::unique_ptr<VideoCaptureBufferTracker> tracker =
std::make_unique<GpuMemoryBufferTracker>(dxgi_device_manager_);
EXPECT_EQ(tracker->Init(expected_buffer_size, PIXEL_FORMAT_NV12, nullptr),
true);
const uint32_t expectedSizeInBytes =
(expected_buffer_size.width() * expected_buffer_size.height() * 3) / 2;
EXPECT_EQ(tracker->GetMemorySizeInBytes(), expectedSizeInBytes);
}
} // namespace media
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