1 /**************************************************************************
3 * Copyright 2012 Jose Fonseca
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24 **************************************************************************/
37 #include "tri_vs_4_0.h"
38 #include "tri_ps_4_0.h"
41 static IDXGIFactory *g_pFactory = NULL;
42 static IDXGIAdapter *g_pAdapter = NULL;
43 static IDXGISwapChain* g_pSwapChain = NULL;
44 static ID3D10Device * g_pDevice = NULL;
48 main(int argc, char *argv[])
52 HINSTANCE hInstance = GetModuleHandle(NULL);
70 const int WindowWidth = 250;
71 const int WindowHeight = 250;
74 DWORD dwStyle = WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_OVERLAPPEDWINDOW;
76 RECT rect = {0, 0, WindowWidth, WindowHeight};
77 AdjustWindowRect(&rect, dwStyle, FALSE);
79 HWND hWnd = CreateWindow(wc.lpszClassName,
80 "Simple example using DirectX10",
82 CW_USEDEFAULT, CW_USEDEFAULT,
83 rect.right - rect.left,
84 rect.bottom - rect.top,
93 ShowWindow(hWnd, SW_SHOW);
96 if (LoadLibraryA("d3d10sdklayers")) {
97 Flags |= D3D10_CREATE_DEVICE_DEBUG;
100 hr = CreateDXGIFactory(IID_IDXGIFactory, (void**)(&g_pFactory) );
105 hr = g_pFactory->EnumAdapters(0, &g_pAdapter);
110 hr = D3D10CreateDevice(g_pAdapter,
111 D3D10_DRIVER_TYPE_HARDWARE,
120 DXGI_SWAP_CHAIN_DESC SwapChainDesc;
121 ZeroMemory(&SwapChainDesc, sizeof SwapChainDesc);
122 SwapChainDesc.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;;
123 SwapChainDesc.BufferDesc.RefreshRate.Numerator = 60;
124 SwapChainDesc.BufferDesc.RefreshRate.Denominator = 1;
125 SwapChainDesc.SampleDesc.Quality = 0;
126 SwapChainDesc.SampleDesc.Count = 1;
127 SwapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
128 SwapChainDesc.BufferCount = 2;
129 SwapChainDesc.OutputWindow = hWnd;
130 SwapChainDesc.Windowed = true;
131 SwapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_DISCARD;
133 hr = g_pFactory->CreateSwapChain(g_pDevice, &SwapChainDesc, &g_pSwapChain);
138 ID3D10RenderTargetView *pRenderTargetView = NULL;
139 ID3D10Texture2D* pBackBuffer;
140 hr = g_pSwapChain->GetBuffer(0, IID_ID3D10Texture2D, (void **)&pBackBuffer);
144 D3D10_RENDER_TARGET_VIEW_DESC RenderTargetViewDesc;
145 ZeroMemory(&RenderTargetViewDesc, sizeof RenderTargetViewDesc);
146 RenderTargetViewDesc.Format = SwapChainDesc.BufferDesc.Format;
147 RenderTargetViewDesc.ViewDimension = D3D10_RTV_DIMENSION_TEXTURE2D;
148 RenderTargetViewDesc.Texture2D.MipSlice = 0;
149 hr = g_pDevice->CreateRenderTargetView(pBackBuffer, &RenderTargetViewDesc, &pRenderTargetView);
153 pBackBuffer->Release();
155 g_pDevice->OMSetRenderTargets(1, &pRenderTargetView, NULL);
157 const float clearColor[4] = { 0.3f, 0.1f, 0.3f, 1.0f };
158 g_pDevice->ClearRenderTargetView(pRenderTargetView, clearColor);
160 ID3D10VertexShader * pVertexShader;
161 hr = g_pDevice->CreateVertexShader(g_VS, sizeof g_VS, &pVertexShader);
171 static const D3D10_INPUT_ELEMENT_DESC InputElementDescs[] = {
172 { "POSITION", 0, DXGI_FORMAT_R32G32B32A32_FLOAT, 0, offsetof(Vertex, position), D3D10_INPUT_PER_VERTEX_DATA, 0 },
173 { "COLOR", 0, DXGI_FORMAT_R32G32B32A32_FLOAT, 0, offsetof(Vertex, color), D3D10_INPUT_PER_VERTEX_DATA, 0 }
176 ID3D10InputLayout *pVertexLayout = NULL;
177 hr = g_pDevice->CreateInputLayout(InputElementDescs,
186 g_pDevice->IASetInputLayout(pVertexLayout);
188 ID3D10PixelShader * pPixelShader;
189 hr = g_pDevice->CreatePixelShader(g_PS, sizeof g_PS, &pPixelShader);
194 g_pDevice->VSSetShader(pVertexShader);
195 g_pDevice->PSSetShader(pPixelShader);
197 static const Vertex vertices[] = {
198 { { -0.9f, -0.9f, 0.5f, 1.0f}, { 0.8f, 0.0f, 0.0f, 0.1f } },
199 { { 0.9f, -0.9f, 0.5f, 1.0f}, { 0.0f, 0.9f, 0.0f, 0.1f } },
200 { { 0.0f, 0.9f, 0.5f, 1.0f}, { 0.0f, 0.0f, 0.7f, 0.1f } },
203 D3D10_BUFFER_DESC BufferDesc;
204 ZeroMemory(&BufferDesc, sizeof BufferDesc);
205 BufferDesc.Usage = D3D10_USAGE_DYNAMIC;
206 BufferDesc.ByteWidth = sizeof vertices;
207 BufferDesc.BindFlags = D3D10_BIND_VERTEX_BUFFER;
208 BufferDesc.CPUAccessFlags = D3D10_CPU_ACCESS_WRITE;
209 BufferDesc.MiscFlags = 0;
211 ID3D10Buffer *pVertexBuffer;
212 hr = g_pDevice->CreateBuffer(&BufferDesc, NULL, &pVertexBuffer);
218 pVertexBuffer->Map(D3D10_MAP_WRITE_DISCARD, 0, &pMap);
219 memcpy(pMap, vertices, sizeof vertices);
220 pVertexBuffer->Unmap();
222 UINT Stride = sizeof(Vertex);
224 g_pDevice->IASetVertexBuffers(0, 1, &pVertexBuffer, &Stride, &Offset);
226 D3D10_VIEWPORT ViewPort;
227 ViewPort.TopLeftX = 0;
228 ViewPort.TopLeftY = 0;
229 ViewPort.Width = WindowWidth;
230 ViewPort.Height = WindowHeight;
231 ViewPort.MinDepth = 0.0f;
232 ViewPort.MaxDepth = 1.0f;
233 g_pDevice->RSSetViewports(1, &ViewPort);
235 D3D10_RASTERIZER_DESC RasterizerDesc;
236 ZeroMemory(&RasterizerDesc, sizeof RasterizerDesc);
237 RasterizerDesc.CullMode = D3D10_CULL_NONE;
238 RasterizerDesc.FillMode = D3D10_FILL_SOLID;
239 RasterizerDesc.FrontCounterClockwise = true;
240 RasterizerDesc.DepthClipEnable = true;
241 ID3D10RasterizerState* pRasterizerState = NULL;
242 hr = g_pDevice->CreateRasterizerState(&RasterizerDesc, &pRasterizerState);
246 g_pDevice->RSSetState(pRasterizerState);
248 g_pDevice->IASetPrimitiveTopology(D3D10_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
249 g_pDevice->Draw(3, 0);
251 g_pSwapChain->Present(0, 0);
254 ID3D10Buffer *pNullBuffer = NULL;
257 g_pDevice->IASetVertexBuffers(0, 1, &pNullBuffer, &NullStride, &NullOffset);
258 pVertexBuffer->Release();
260 g_pDevice->OMSetRenderTargets(0, NULL, NULL);
261 pRenderTargetView->Release();
263 g_pDevice->IASetInputLayout(NULL);
264 pVertexLayout->Release();
266 g_pDevice->VSSetShader(NULL);
267 pVertexShader->Release();
269 g_pDevice->PSSetShader(NULL);
270 pPixelShader->Release();
272 g_pDevice->RSSetState(NULL);
273 pRasterizerState->Release();
275 g_pSwapChain->Release();
278 g_pDevice->Release();