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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "gpu/command_buffer/service/dxgi_shared_handle_manager.h"
#include <windows.h>
#include <d3d11_1.h>
#include "base/synchronization/condition_variable.h"
#include "base/synchronization/lock.h"
#include "base/task/thread_pool.h"
#include "base/test/bind.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gl/gl_angle_util_win.h"
namespace gpu {
namespace {
class DXGISharedHandleManagerTest : public testing::Test {
protected:
void SetUp() override {
d3d11_device_ = gl::QueryD3D11DeviceObjectFromANGLE();
dxgi_shared_handle_manager_ =
base::MakeRefCounted<DXGISharedHandleManager>();
}
bool ShouldSkipTest() const { return !d3d11_device_; }
Microsoft::WRL::ComPtr<ID3D11Texture2D> CreateTexture() {
D3D11_TEXTURE2D_DESC desc;
desc.Width = 1;
desc.Height = 1;
desc.MipLevels = 1;
desc.ArraySize = 1;
desc.Format = DXGI_FORMAT_B8G8R8A8_UNORM;
desc.SampleDesc.Count = 1;
desc.SampleDesc.Quality = 0;
desc.Usage = D3D11_USAGE_DEFAULT;
desc.BindFlags = D3D11_BIND_SHADER_RESOURCE | D3D11_BIND_RENDER_TARGET;
desc.CPUAccessFlags = 0;
desc.MiscFlags =
D3D11_RESOURCE_MISC_SHARED_NTHANDLE | D3D11_RESOURCE_MISC_SHARED;
Microsoft::WRL::ComPtr<ID3D11Texture2D> d3d11_texture;
HRESULT hr = d3d11_device_->CreateTexture2D(&desc, nullptr, &d3d11_texture);
EXPECT_EQ(hr, S_OK);
return d3d11_texture;
}
base::win::ScopedHandle CreateSharedHandle(
const Microsoft::WRL::ComPtr<ID3D11Texture2D>& d3d11_texture) {
Microsoft::WRL::ComPtr<IDXGIResource1> dxgi_resource;
HRESULT hr = d3d11_texture.As(&dxgi_resource);
EXPECT_EQ(hr, S_OK);
HANDLE shared_handle;
hr = dxgi_resource->CreateSharedHandle(
nullptr, DXGI_SHARED_RESOURCE_READ | DXGI_SHARED_RESOURCE_WRITE,
nullptr, &shared_handle);
EXPECT_EQ(hr, S_OK);
return base::win::ScopedHandle(shared_handle);
}
Microsoft::WRL::ComPtr<ID3D11Device> d3d11_device_;
scoped_refptr<DXGISharedHandleManager> dxgi_shared_handle_manager_;
};
TEST_F(DXGISharedHandleManagerTest, LookupByToken) {
if (ShouldSkipTest())
return;
auto d3d11_texture = CreateTexture();
ASSERT_TRUE(d3d11_texture);
constexpr int kNumHandles = 5;
auto orig_token = gfx::DXGIHandleToken();
base::win::ScopedHandle orig_handle = CreateSharedHandle(d3d11_texture);
ASSERT_TRUE(orig_handle.IsValid());
scoped_refptr<DXGISharedHandleState> orig_state =
dxgi_shared_handle_manager_->GetOrCreateSharedHandleState(
orig_token, std::move(orig_handle), d3d11_device_);
ASSERT_NE(orig_state, nullptr);
EXPECT_EQ(dxgi_shared_handle_manager_->GetSharedHandleMapSizeForTesting(),
1u);
for (int i = 0; i < kNumHandles - 1; i++) {
HANDLE handle;
::DuplicateHandle(::GetCurrentProcess(), orig_state->GetSharedHandle(),
::GetCurrentProcess(), &handle,
/*dwDesiredAccess=*/0,
/*bInerhitHandle=*/FALSE, DUPLICATE_SAME_ACCESS);
base::win::ScopedHandle new_handle(handle);
ASSERT_TRUE(new_handle.IsValid());
scoped_refptr<DXGISharedHandleState> state =
dxgi_shared_handle_manager_->GetOrCreateSharedHandleState(
orig_token, std::move(new_handle), d3d11_device_);
EXPECT_EQ(state, orig_state);
EXPECT_EQ(dxgi_shared_handle_manager_->GetSharedHandleMapSizeForTesting(),
1u);
}
orig_state = nullptr;
EXPECT_EQ(dxgi_shared_handle_manager_->GetSharedHandleMapSizeForTesting(),
0u);
}
TEST_F(DXGISharedHandleManagerTest, LookupByTokenMultiThread) {
if (ShouldSkipTest())
return;
auto d3d11_texture = CreateTexture();
ASSERT_TRUE(d3d11_texture);
constexpr int kNumHandles = 101;
auto orig_token = gfx::DXGIHandleToken();
base::win::ScopedHandle orig_handle = CreateSharedHandle(d3d11_texture);
ASSERT_TRUE(orig_handle.IsValid());
scoped_refptr<DXGISharedHandleState> orig_state =
dxgi_shared_handle_manager_->GetOrCreateSharedHandleState(
orig_token, std::move(orig_handle), d3d11_device_);
ASSERT_NE(orig_state, nullptr);
EXPECT_EQ(dxgi_shared_handle_manager_->GetSharedHandleMapSizeForTesting(),
1u);
base::Lock lock;
base::ConditionVariable cv(&lock);
base::AutoLock auto_lock(lock);
int remaining_handles = kNumHandles - 1;
for (int i = 0; i < remaining_handles; i++) {
base::ThreadPool::PostTask(
FROM_HERE, base::BindLambdaForTesting([&] {
HANDLE handle;
::DuplicateHandle(::GetCurrentProcess(),
orig_state->GetSharedHandle(),
::GetCurrentProcess(), &handle,
/*dwDesiredAccess=*/0,
/*bInerhitHandle=*/FALSE, DUPLICATE_SAME_ACCESS);
base::win::ScopedHandle new_handle(handle);
ASSERT_TRUE(new_handle.IsValid());
scoped_refptr<DXGISharedHandleState> state =
dxgi_shared_handle_manager_->GetOrCreateSharedHandleState(
orig_token, std::move(new_handle), d3d11_device_);
EXPECT_EQ(state, orig_state);
EXPECT_EQ(
dxgi_shared_handle_manager_->GetSharedHandleMapSizeForTesting(),
1u);
state = nullptr;
EXPECT_EQ(
dxgi_shared_handle_manager_->GetSharedHandleMapSizeForTesting(),
1u);
base::AutoLock auto_lock(lock);
remaining_handles--;
cv.Signal();
}));
}
while (remaining_handles > 0)
cv.Wait();
EXPECT_EQ(dxgi_shared_handle_manager_->GetSharedHandleMapSizeForTesting(),
1u);
orig_state = nullptr;
EXPECT_EQ(dxgi_shared_handle_manager_->GetSharedHandleMapSizeForTesting(),
0u);
}
} // anonymous namespace
} // namespace gpu
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