HRESULT CreateDeviceD3D(HWND hWnd)
{
// Setup swap chain
DXGI_SWAP_CHAIN_DESC sd;
{
ZeroMemory(&sd, sizeof(sd));
sd.BufferCount = 2;
sd.BufferDesc.Width = 0;
sd.BufferDesc.Height = 0;
sd.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
sd.BufferDesc.RefreshRate.Numerator = 60;
sd.BufferDesc.RefreshRate.Denominator = 1;
sd.Flags = DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH;
sd.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
sd.OutputWindow = hWnd;
sd.SampleDesc.Count = 1;
sd.SampleDesc.Quality = 0;
sd.Windowed = TRUE;
sd.SwapEffect = DXGI_SWAP_EFFECT_DISCARD;
}
UINT createDeviceFlags = 0;
//createDeviceFlags |= D3D10_CREATE_DEVICE_DEBUG;
if (D3D10CreateDeviceAndSwapChain(NULL, D3D10_DRIVER_TYPE_HARDWARE, NULL, createDeviceFlags, D3D10_SDK_VERSION, &sd, &g_pSwapChain, &g_pd3dDevice) != S_OK)
return E_FAIL;
// Setup rasterizer
{
D3D10_RASTERIZER_DESC RSDesc;
memset(&RSDesc, 0, sizeof(D3D10_RASTERIZER_DESC));
RSDesc.FillMode = D3D10_FILL_SOLID;
RSDesc.CullMode = D3D10_CULL_NONE;
RSDesc.FrontCounterClockwise = FALSE;
RSDesc.DepthBias = 0;
RSDesc.SlopeScaledDepthBias = 0.0f;
RSDesc.DepthBiasClamp = 0;
RSDesc.DepthClipEnable = TRUE;
RSDesc.ScissorEnable = TRUE;
RSDesc.AntialiasedLineEnable = FALSE;
RSDesc.MultisampleEnable = (sd.SampleDesc.Count > 1) ? TRUE : FALSE;
ID3D10RasterizerState* pRState = NULL;
g_pd3dDevice->CreateRasterizerState(&RSDesc, &pRState);
g_pd3dDevice->RSSetState(pRState);
pRState->Release();
}
CreateRenderTarget();
return S_OK;
}
int
main(int argc, char *argv[])
{
HRESULT hr;
HINSTANCE hInstance = GetModuleHandle(NULL);
WNDCLASSEX wc = {
sizeof(WNDCLASSEX),
CS_CLASSDC,
DefWindowProc,
0,
0,
hInstance,
NULL,
NULL,
NULL,
NULL,
"SimpleDX10",
NULL
};
RegisterClassEx(&wc);
const int WindowWidth = 250;
const int WindowHeight = 250;
BOOL Windowed = TRUE;
DWORD dwStyle = WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_OVERLAPPEDWINDOW;
RECT rect = {0, 0, WindowWidth, WindowHeight};
AdjustWindowRect(&rect, dwStyle, FALSE);
HWND hWnd = CreateWindow(wc.lpszClassName,
"Simple example using DirectX10",
dwStyle,
CW_USEDEFAULT, CW_USEDEFAULT,
rect.right - rect.left,
rect.bottom - rect.top,
NULL,
NULL,
hInstance,
NULL);
if (!hWnd) {
return 1;
}
ShowWindow(hWnd, SW_SHOW);
UINT Flags = 0;
if (LoadLibraryA("d3d10sdklayers")) {
Flags |= D3D10_CREATE_DEVICE_DEBUG;
}
hr = CreateDXGIFactory1(IID_IDXGIFactory1, (void**)(&g_pFactory) );
if (FAILED(hr)) {
return 1;
}
hr = g_pFactory->EnumAdapters(0, &g_pAdapter);
if (FAILED(hr)) {
return 1;
}
hr = D3D10CreateDevice1(g_pAdapter,
D3D10_DRIVER_TYPE_HARDWARE,
NULL,
Flags,
D3D10_FEATURE_LEVEL_10_0,
D3D10_1_SDK_VERSION,
&g_pDevice);
if (FAILED(hr)) {
return 1;
}
DXGI_SWAP_CHAIN_DESC SwapChainDesc;
ZeroMemory(&SwapChainDesc, sizeof SwapChainDesc);
SwapChainDesc.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;;
SwapChainDesc.BufferDesc.RefreshRate.Numerator = 60;
SwapChainDesc.BufferDesc.RefreshRate.Denominator = 1;
SwapChainDesc.SampleDesc.Quality = 0;
SwapChainDesc.SampleDesc.Count = 1;
SwapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
SwapChainDesc.BufferCount = 2;
SwapChainDesc.OutputWindow = hWnd;
SwapChainDesc.Windowed = true;
SwapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_DISCARD;
hr = g_pFactory->CreateSwapChain(g_pDevice, &SwapChainDesc, &g_pSwapChain);
if (FAILED(hr)) {
return 1;
}
ID3D10RenderTargetView *pRenderTargetView = NULL;
ID3D10Texture2D* pBackBuffer;
hr = g_pSwapChain->GetBuffer(0, IID_ID3D10Texture2D, (void **)&pBackBuffer);
if (FAILED(hr)) {
return 1;
}
D3D10_RENDER_TARGET_VIEW_DESC RenderTargetViewDesc;
ZeroMemory(&RenderTargetViewDesc, sizeof RenderTargetViewDesc);
RenderTargetViewDesc.Format = SwapChainDesc.BufferDesc.Format;
RenderTargetViewDesc.ViewDimension = D3D10_RTV_DIMENSION_TEXTURE2D;
RenderTargetViewDesc.Texture2D.MipSlice = 0;
hr = g_pDevice->CreateRenderTargetView(pBackBuffer, &RenderTargetViewDesc, &pRenderTargetView);
if (FAILED(hr)) {
return 1;
}
pBackBuffer->Release();
g_pDevice->OMSetRenderTargets(1, &pRenderTargetView, NULL);
const float clearColor[4] = { 0.3f, 0.1f, 0.3f, 1.0f };
g_pDevice->ClearRenderTargetView(pRenderTargetView, clearColor);
ID3D10VertexShader * pVertexShader;
hr = g_pDevice->CreateVertexShader(g_VS, sizeof g_VS, &pVertexShader);
if (FAILED(hr)) {
return 1;
}
struct Vertex {
float position[4];
float color[4];
};
static const D3D10_INPUT_ELEMENT_DESC InputElementDescs[] = {
{ "POSITION", 0, DXGI_FORMAT_R32G32B32A32_FLOAT, 0, offsetof(Vertex, position), D3D10_INPUT_PER_VERTEX_DATA, 0 },
{ "COLOR", 0, DXGI_FORMAT_R32G32B32A32_FLOAT, 0, offsetof(Vertex, color), D3D10_INPUT_PER_VERTEX_DATA, 0 }
};
ID3D10InputLayout *pVertexLayout = NULL;
hr = g_pDevice->CreateInputLayout(InputElementDescs,
2,
g_VS,
sizeof g_VS,
&pVertexLayout);
if (FAILED(hr)) {
return 1;
}
g_pDevice->IASetInputLayout(pVertexLayout);
ID3D10PixelShader * pPixelShader;
hr = g_pDevice->CreatePixelShader(g_PS, sizeof g_PS, &pPixelShader);
if (FAILED(hr)) {
return 1;
}
g_pDevice->VSSetShader(pVertexShader);
g_pDevice->PSSetShader(pPixelShader);
static const Vertex vertices[] = {
{ { -0.9f, -0.9f, 0.5f, 1.0f}, { 0.8f, 0.0f, 0.0f, 0.1f } },
{ { 0.9f, -0.9f, 0.5f, 1.0f}, { 0.0f, 0.9f, 0.0f, 0.1f } },
{ { 0.0f, 0.9f, 0.5f, 1.0f}, { 0.0f, 0.0f, 0.7f, 0.1f } },
};
D3D10_BUFFER_DESC BufferDesc;
ZeroMemory(&BufferDesc, sizeof BufferDesc);
BufferDesc.Usage = D3D10_USAGE_DYNAMIC;
BufferDesc.ByteWidth = sizeof vertices;
BufferDesc.BindFlags = D3D10_BIND_VERTEX_BUFFER;
BufferDesc.CPUAccessFlags = D3D10_CPU_ACCESS_WRITE;
BufferDesc.MiscFlags = 0;
ID3D10Buffer *pVertexBuffer;
hr = g_pDevice->CreateBuffer(&BufferDesc, NULL, &pVertexBuffer);
if (FAILED(hr)) {
return 1;
}
void *pMap = NULL;
pVertexBuffer->Map(D3D10_MAP_WRITE_DISCARD, 0, &pMap);
memcpy(pMap, vertices, sizeof vertices);
pVertexBuffer->Unmap();
UINT Stride = sizeof(Vertex);
UINT Offset = 0;
g_pDevice->IASetVertexBuffers(0, 1, &pVertexBuffer, &Stride, &Offset);
D3D10_VIEWPORT ViewPort;
ViewPort.TopLeftX = 0;
ViewPort.TopLeftY = 0;
ViewPort.Width = WindowWidth;
ViewPort.Height = WindowHeight;
ViewPort.MinDepth = 0.0f;
ViewPort.MaxDepth = 1.0f;
g_pDevice->RSSetViewports(1, &ViewPort);
D3D10_RASTERIZER_DESC RasterizerDesc;
ZeroMemory(&RasterizerDesc, sizeof RasterizerDesc);
RasterizerDesc.CullMode = D3D10_CULL_NONE;
RasterizerDesc.FillMode = D3D10_FILL_SOLID;
RasterizerDesc.FrontCounterClockwise = true;
RasterizerDesc.DepthClipEnable = true;
ID3D10RasterizerState* pRasterizerState = NULL;
hr = g_pDevice->CreateRasterizerState(&RasterizerDesc, &pRasterizerState);
if (FAILED(hr)) {
return 1;
}
g_pDevice->RSSetState(pRasterizerState);
g_pDevice->IASetPrimitiveTopology(D3D10_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
g_pDevice->Draw(3, 0);
g_pSwapChain->Present(0, 0);
ID3D10Buffer *pNullBuffer = NULL;
UINT NullStride = 0;
UINT NullOffset = 0;
g_pDevice->IASetVertexBuffers(0, 1, &pNullBuffer, &NullStride, &NullOffset);
pVertexBuffer->Release();
g_pDevice->OMSetRenderTargets(0, NULL, NULL);
pRenderTargetView->Release();
g_pDevice->IASetInputLayout(NULL);
pVertexLayout->Release();
g_pDevice->VSSetShader(NULL);
pVertexShader->Release();
g_pDevice->PSSetShader(NULL);
pPixelShader->Release();
g_pDevice->RSSetState(NULL);
pRasterizerState->Release();
g_pSwapChain->Release();
g_pSwapChain = NULL;
g_pDevice->Release();
g_pDevice = NULL;
g_pAdapter->Release();
g_pAdapter = NULL;
g_pFactory->Release();
g_pFactory = NULL;
DestroyWindow(hWnd);
return 0;
}
