#include"Dx11DemoBase.h"
Dx11DemoBase::Dx11DemoBase( ) : driverType_( D3D_DRIVER_TYPE_NULL ), featureLevel_( D3D_FEATURE_LEVEL_11_0 ),
d3dDevice_( 0 ), d3dContext_( 0 ), swapChain_( 0 ), backBufferTarget_( 0 )
{
}
Dx11DemoBase::~Dx11DemoBase( )
{
Shutdown( );
}
bool Dx11DemoBase::Initialize( HINSTANCE hInstance, HWND hwnd )
{
hInstance_ = hInstance;
hwnd_ = hwnd;
RECT dimensions;
GetClientRect( hwnd, &dimensions );
unsigned int width = dimensions.right - dimensions.left;
unsigned int height = dimensions.bottom - dimensions.top;
D3D_DRIVER_TYPE driverTypes[] =
{
D3D_DRIVER_TYPE_HARDWARE, D3D_DRIVER_TYPE_WARP,
D3D_DRIVER_TYPE_REFERENCE, D3D_DRIVER_TYPE_SOFTWARE
};
unsigned int totalDriverTypes = ARRAYSIZE( driverTypes );
D3D_FEATURE_LEVEL featureLevels[] =
{
D3D_FEATURE_LEVEL_11_0,
D3D_FEATURE_LEVEL_10_1,
D3D_FEATURE_LEVEL_10_0
};
unsigned int totalFeatureLevels = ARRAYSIZE( featureLevels );
DXGI_SWAP_CHAIN_DESC swapChainDesc;
ZeroMemory( &swapChainDesc, sizeof( swapChainDesc ) );
swapChainDesc.BufferCount = 1;
swapChainDesc.BufferDesc.Width = width;
swapChainDesc.BufferDesc.Height = height;
swapChainDesc.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
swapChainDesc.BufferDesc.RefreshRate.Numerator = 60;
swapChainDesc.BufferDesc.RefreshRate.Denominator = 1;
swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
swapChainDesc.OutputWindow = hwnd;
swapChainDesc.Windowed = true;
swapChainDesc.SampleDesc.Count = 1;
swapChainDesc.SampleDesc.Quality = 0;
unsigned int creationFlags = 0;
#ifdef _DEBUG
creationFlags |= D3D11_CREATE_DEVICE_DEBUG;
#endif
HRESULT result;
unsigned int driver = 0;
for( driver = 0; driver < totalDriverTypes; ++driver )
{
result = D3D11CreateDeviceAndSwapChain( 0, driverTypes[driver], 0, creationFlags,
featureLevels, totalFeatureLevels,
D3D11_SDK_VERSION, &swapChainDesc, &swapChain_,
&d3dDevice_, &featureLevel_, &d3dContext_ );
if( SUCCEEDED( result ) )
{
driverType_ = driverTypes[driver];
break;
}
}
if( FAILED( result ) )
{
DXTRACE_MSG( "Direct3D设备错误!" );
return false;
}
ID3D11Texture2D* backBufferTexture;
result = swapChain_->GetBuffer( 0, __uuidof( ID3D11Texture2D ), ( LPVOID* )&backBufferTexture );
if( FAILED( result ) )
{
DXTRACE_MSG( "获取交换链后台缓存失败!" );
return false;
}
result = d3dDevice_->CreateRenderTargetView( backBufferTexture, 0, &backBufferTarget_ );
if( backBufferTexture )
backBufferTexture->Release( );
if( FAILED( result ) )
{
DXTRACE_MSG( "创建渲染目标视图失败!" );
return false;
}
d3dContext_->OMSetRenderTargets( 1, &backBufferTarget_, 0 );
D3D11_VIEWPORT viewport;
viewport.Width = static_cast<float>(width);
viewport.Height = static_cast<float>(height);
viewport.MinDepth = 0.0f;
viewport.MaxDepth = 1.0f;
viewport.TopLeftX = 0.0f;
viewport.TopLeftY = 0.0f;
d3dContext_->RSSetViewports( 1, &viewport );
return LoadContent( );
}
bool Dx11DemoBase::LoadContent( )
{
//可以在此处进行重载,加入代码实现相关功能
return true;
}
void Dx11DemoBase::UnloadContent( )
{
//可以在此处进行重载,加入代码实现相关功能
}
void Dx11DemoBase::Shutdown( )
{
UnloadContent( );
if( backBufferTarget_ ) backBufferTarget_->Release( );
if( swapChain_ ) swapChain_->Release( );
if( d3dContext_ ) d3dContext_->Release( );
if( d3dDevice_ ) d3dDevice_->Release( );
backBufferTarget_ = 0;
swapChain_ = 0;
d3dContext_ = 0;
d3dDevice_ = 0;
}
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温馨提示
博文的配套源码 《 【Visual C++】游戏开发笔记二十八 最精简的Direct3D11 Demo筋骨脉络全攻略》 ,文章地址为http://blog.csdn.net/zhmxy555/article/details/7727753, 点击debug下的exe文件可以直接看到运行效果。 此为VS2010版。 我的博客地址是http://blog.csdn.net/zhmxy555,源码结合配套文章一起看效果更佳。 当然,必须是0资源分下载~~~~~~~~ 希望能和大家一起交流,共同学习,共同进步。
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【Visual C++】Note_Code_28.rar (35个子文件)
【Visual C++】Note_Code_28
ipch
blankd3dwindow-d8436257
blankd3dwindow-3bced247.ipch 47.25MB
BlankD3DWindowsDemo.suo 9KB
BlankD3DWindow.sdf 32.89MB
BlankD3DWindow
BlankD3DWindow.vcxproj 5KB
Dx11DemoBase.h 796B
Dx11DemoBase.cpp 4KB
BlankDx11Demo.h 343B
Debug
CL.write.1.tlog 4KB
vc100.idb 811KB
mt.read.1.tlog 762B
BlankD3DWindow.lastbuildstate 75B
Dx11DemoBase.obj 137KB
BlankDx11Demo.obj 176KB
BlankD3DWindow.exe.intermediate.manifest 381B
BlankD3DWindow.log 3KB
link.command.1.tlog 2KB
vc100.pdb 540KB
CL.read.1.tlog 69KB
mt.write.1.tlog 302B
BlankDemo.obj 176KB
mt.command.1.tlog 492B
link.write.1.tlog 922B
cl.command.1.tlog 2KB
main.obj 145KB
link.read.1.tlog 4KB
BlankDx11Demo.cpp 561B
main.cpp 3KB
BlankD3DWindow.vcxproj.filters 1KB
BlankD3DWindow.vcxproj.user 143B
BlankDirect3DWindowsDemo.suo 9KB
BlankD3DWindow.sln 909B
Debug
BlankD3DWindow.ilk 1.08MB
BlankD3DWindow.pdb 1.78MB
BlankD3DWindow.exe 308KB
BlankD3DWindow.suo 20KB
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