初始化完毕 并添加debug

.gitignore

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+cmake*/
+output/
+build/
+
+.vs/
+.idea/

CMakeLists.txt

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+cmake_minimum_required(VERSION 3.26)
+project(WinMedia)
+
+set(CMAKE_CXX_STANDARD 14)
+
+file(GLOB_RECURSE SOURCE_FILES "./src/*")
+
+add_library(WinMedia SHARED
+        ${SOURCE_FILES}
+)
+target_precompile_headers(WinMedia PRIVATE "stdafx.h" "Export.h")
+
+set(Windows_Kits_DIR "C:\\Program Files (x86)\\Windows Kits\\10")
+set(Windows_Kits_Version "10.0.19041.0")
+set(DirectX_SDK_INCLUDE_DIR "${Windows_Kits_DIR}\\Include\\${Windows_Kits_Version}\\um")
+
+if(CMAKE_SIZEOF_VOID_P EQUAL 8)
+    # 64-bit 架构
+    set(CMAKE_LIBRARY_ARCHITECTURE x64)
+    set(DirectX_SDK_LIB_DIR "${Windows_Kits_DIR}\\Lib\\${Windows_Kits_Version}\\um\\x64")
+else()
+    # 32-bit 架构
+    set(CMAKE_LIBRARY_ARCHITECTURE x86)
+    set(DirectX_SDK_LIB_DIR "${Windows_Kits_DIR}\\Lib\\${Windows_Kits_Version}\\um\\x86")
+endif()
+
+# 获取所有 DirectX 相关的库文件
+file(GLOB DirectX_LIBS
+        "${DirectX_SDK_LIB_DIR}/d3d9.lib"
+        "${DirectX_SDK_LIB_DIR}/d3d10.lib"
+        "${DirectX_SDK_LIB_DIR}/d3d11.lib"
+        "${DirectX_SDK_LIB_DIR}/d3d12.lib"
+        "${DirectX_SDK_LIB_DIR}/ddraw.lib"
+)
+
+# 导出头文件的目录
+target_include_directories(WinMedia
+        PUBLIC
+        $<BUILD_INTERFACE:${CMAKE_SOURCE_DIR}/src>
+        PRIVATE
+        ${DirectX_SDK_INCLUDE_DIR}
+)
+# 链接 d3d 的 lib
+target_link_libraries(WinMedia PRIVATE ${DirectX_LIBS})
+
+# 创建 output 目录
+file(MAKE_DIRECTORY ${CMAKE_SOURCE_DIR}/output/)
+# 指定构建目录
+set(BUILD_DIR ${CMAKE_SOURCE_DIR}/output)
+
+# 在项目的根目录下
+message("CMAKE_SOURCE_DIR: ${CMAKE_SOURCE_DIR}")  # 输出项目的根目录路径
+
+# 在一个子目录中的 CMakeLists.txt 文件中
+message("CMAKE_CURRENT_SOURCE_DIR: ${CMAKE_CURRENT_SOURCE_DIR}")  # 输出当前子目录的路径
+
+# 拷贝头文件到构建目录的 include 文件夹下
+file(GLOB_RECURSE EXPORTED_HEADERS ${CMAKE_SOURCE_DIR}/src/*.h)
+foreach(HEADER ${EXPORTED_HEADERS})
+    get_filename_component(HEADER_DIR ${HEADER} DIRECTORY)
+    get_filename_component(HEADER_NAME ${HEADER} NAME)
+    string(REPLACE "${CMAKE_SOURCE_DIR}/src" "" HEADER_RELATIVE_PATH ${HEADER_DIR})
+    file(COPY ${HEADER} DESTINATION ${BUILD_DIR}/include/${HEADER_RELATIVE_PATH})
+endforeach()
+
+# 将 DLL 复制到构建目录的 output 文件夹下
+add_custom_command(TARGET WinMedia POST_BUILD
+        COMMAND ${CMAKE_COMMAND} -E copy_if_different
+        $<TARGET_FILE:WinMedia>
+        ${BUILD_DIR})
+
+
+# 如果是 Debug 模式，添加测试入口
+if(CMAKE_BUILD_TYPE STREQUAL "Debug")
+    add_executable(WinMediaTest "src/main.cpp" ${SOURCE_FILES})
+
+    target_precompile_headers(WinMediaTest PRIVATE "stdafx.h" "Export.h")
+    # 链接 d3d 的 lib
+    target_link_libraries(WinMediaTest PRIVATE ${DirectX_LIBS})
+
+    # 将 DLL 复制到构建目录的 output 文件夹下
+    add_custom_command(TARGET WinMediaTest POST_BUILD
+            COMMAND ${CMAKE_COMMAND} -E copy_if_different
+            $<TARGET_FILE:WinMedia>
+            ${BUILD_DIR})
+endif ()

Export.h

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+#pragma once
+
+#ifdef WINDEVICE_EXPORTS
+#define WINDEVICE_API __declspec(dllexport)
+#else
+#define WINDEVICE_API __declspec(dllimport)
+#endif

src/Device/WinDeviceManager.cpp

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+#include "WinDeviceManager.h"
+
+namespace WinMedia
+{
+    WinDeviceManager::WinDeviceManager()
+    {
+    }
+
+    WinDeviceManager::~WinDeviceManager()
+    {
+    }
+
+    bool WinDeviceManager::IsDirectDrawAccelerationAvailable()
+    {
+        IDirectDraw* pDirectDraw = nullptr;
+
+        HRESULT hr = DirectDrawCreate(nullptr, &pDirectDraw, nullptr);
+        if (FAILED(hr))
+        {
+            // DirectDraw 创建失败，可能是不支持或没有安装 DirectX
+            return false;
+        }
+
+        // 获取 DirectDraw 加速信息
+        DDCAPS ddcaps;
+        ZeroMemory(&ddcaps, sizeof(ddcaps));
+        ddcaps.dwSize = sizeof(ddcaps);
+
+        hr = pDirectDraw->GetCaps(&ddcaps, nullptr);
+        pDirectDraw->Release();
+
+        if (FAILED(hr))
+        {
+            // 获取 DirectDraw 加速信息失败
+            return false;
+        }
+
+        // 检查是否支持硬件加速
+        return (ddcaps.dwCaps & DDCAPS_NOHARDWARE) == 0;
+    }
+
+    bool WinDeviceManager::IsDirect3DAccelerationAvailable()
+    {
+        D3D_FEATURE_LEVEL featureLevel;
+
+        // 尝试创建硬件设备，如果失败，尝试创建支持较低特性级别的设备
+        HRESULT hr = D3D11CreateDevice(
+            nullptr,
+            D3D_DRIVER_TYPE_HARDWARE,
+            nullptr,
+            0,
+            nullptr,
+            0,
+            D3D11_SDK_VERSION,
+            nullptr,
+            &featureLevel,
+            nullptr
+        );
+
+        if (SUCCEEDED(hr))
+        {
+            return true;
+        }
+
+        // 依次尝试创建支持较低特性级别的设备
+        hr = D3D10CreateDevice(
+            nullptr,
+            D3D10_DRIVER_TYPE_HARDWARE,
+            nullptr,
+            0,
+            D3D10_SDK_VERSION,
+            nullptr
+        );
+
+        if (SUCCEEDED(hr))
+        {
+            return true;
+        }
+
+        IDirect3D9* pD3D = Direct3DCreate9(D3D_SDK_VERSION);
+
+        if (pD3D == nullptr)
+        {
+            // DirectX is not installed or not available
+            return false;
+        }
+        D3DCAPS9 caps;
+        if (FAILED(pD3D->GetDeviceCaps(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, &caps)))
+        {
+            // Failed to get device capabilities
+            pD3D->Release();
+            return false;
+        }
+        // Check if Direct3D acceleration is supported
+        const bool accelerationAvailable = (caps.DevCaps & D3DDEVCAPS_HWTRANSFORMANDLIGHT) != 0;
+
+        pD3D->Release();
+
+        return accelerationAvailable;
+    }
+}

src/Device/WinDeviceManager.h

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+#pragma once
+
+namespace WinMedia
+{
+    class WinDeviceManager {
+    public:
+        WinDeviceManager();
+        ~WinDeviceManager();
+
+        static bool IsDirectDrawAccelerationAvailable();
+        static bool IsDirect3DAccelerationAvailable();
+    };
+}

src/main.cpp

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+#include <iostream>
+
+// Your library header(s)
+#include "Device/WinDeviceManager.h"
+
+int main() {
+    // Your test code here
+    bool draw = WinMedia::WinDeviceManager::IsDirectDrawAccelerationAvailable();
+    std::cout << "direct draw available:" << draw << std::endl;
+    bool d3d = WinMedia::WinDeviceManager::IsDirect3DAccelerationAvailable();
+    std::cout << "d3d available:" << d3d << std::endl;
+    return 0;
+}

stdafx.h

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+// 防止多次包含此头文件
+#pragma once
+
+// 自定义导出定义
+#include "Export.h"
+
+// Windows API 头文件
+#include <Windows.h>
+#include <winerror.h>
+#include "winuser.h"
+
+// 附加的 Windows API 头文件
+#include <Shlwapi.h>
+#include <Psapi.h>
+#include <shellapi.h>
+
+// 内置函数和系统信息 API 头文件
+#include <intrin.h>
+#include "sysinfoapi.h"
+
+// DXGI（DirectX 图形基础设施）头文件
+#include "dxgi.h"
+#include <dxgi1_4.h>
+
+// DirectDraw 头文件，提供 DirectDraw 和相关功能的支持
+#include <ddraw.h>
+// DirectXMath 头文件，提供高性能的数学运算库，适用于图形和游戏开发
+#include <DirectXMath.h>
+// DirectWrite 头文件，用于文本渲染，特别是在 Direct2D 中使用
+#include <dwrite.h>
+
+// Direct3D 9、10、11、12，以及 DirectWrite 头文件
+#include <d3d9.h>
+#include <d3d9caps.h>
+#include <d3d11.h>
+#include <d3d10_1.h>
+#include <d3d12.h>
+