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 IDXGISwapChain* g_pSwapChain = NULL;
42 static ID3D11Device * g_pDevice = NULL;
43 static ID3D11DeviceContext * g_pDeviceContext = NULL;
47 main(int argc, char *argv[])
51 HINSTANCE hInstance = GetModuleHandle(NULL);
69 const int WindowWidth = 250;
70 const int WindowHeight = 250;
73 DWORD dwStyle = WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_OVERLAPPEDWINDOW;
75 RECT rect = {0, 0, WindowWidth, WindowHeight};
76 AdjustWindowRect(&rect, dwStyle, FALSE);
78 HWND hWnd = CreateWindow(wc.lpszClassName,
79 "Simple example using DirectX10",
81 CW_USEDEFAULT, CW_USEDEFAULT,
82 rect.right - rect.left,
83 rect.bottom - rect.top,
92 ShowWindow(hWnd, SW_SHOW);
95 if (LoadLibraryA("d3d11sdklayers")) {
96 Flags |= D3D11_CREATE_DEVICE_DEBUG;
99 DXGI_SWAP_CHAIN_DESC SwapChainDesc;
100 ZeroMemory(&SwapChainDesc, sizeof SwapChainDesc);
101 SwapChainDesc.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;;
102 SwapChainDesc.BufferDesc.RefreshRate.Numerator = 60;
103 SwapChainDesc.BufferDesc.RefreshRate.Denominator = 1;
104 SwapChainDesc.SampleDesc.Quality = 0;
105 SwapChainDesc.SampleDesc.Count = 1;
106 SwapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
107 SwapChainDesc.BufferCount = 2;
108 SwapChainDesc.OutputWindow = hWnd;
109 SwapChainDesc.Windowed = true;
110 SwapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_DISCARD;
112 static const D3D_FEATURE_LEVEL FeatureLevels[] = {
113 D3D_FEATURE_LEVEL_11_0,
114 D3D_FEATURE_LEVEL_10_1,
115 D3D_FEATURE_LEVEL_10_0
118 hr = D3D11CreateDeviceAndSwapChain(NULL, /* pAdapter */
119 D3D_DRIVER_TYPE_HARDWARE,
123 sizeof FeatureLevels / sizeof FeatureLevels[0],
128 NULL, /* pFeatureLevel */
129 &g_pDeviceContext); /* ppImmediateContext */
134 ID3D11RenderTargetView *pRenderTargetView = NULL;
135 ID3D11Texture2D* pBackBuffer;
136 hr = g_pSwapChain->GetBuffer(0, IID_ID3D11Texture2D, (void **)&pBackBuffer);
140 D3D11_RENDER_TARGET_VIEW_DESC RenderTargetViewDesc;
141 ZeroMemory(&RenderTargetViewDesc, sizeof RenderTargetViewDesc);
142 RenderTargetViewDesc.Format = SwapChainDesc.BufferDesc.Format;
143 RenderTargetViewDesc.ViewDimension = D3D11_RTV_DIMENSION_TEXTURE2D;
144 RenderTargetViewDesc.Texture2D.MipSlice = 0;
145 hr = g_pDevice->CreateRenderTargetView(pBackBuffer, &RenderTargetViewDesc, &pRenderTargetView);
149 pBackBuffer->Release();
151 g_pDeviceContext->OMSetRenderTargets(1, &pRenderTargetView, NULL);
153 const float clearColor[4] = { 0.3f, 0.1f, 0.3f, 1.0f };
154 g_pDeviceContext->ClearRenderTargetView(pRenderTargetView, clearColor);
156 ID3D11VertexShader * pVertexShader;
157 hr = g_pDevice->CreateVertexShader(g_VS, sizeof g_VS, NULL, &pVertexShader);
167 static const D3D11_INPUT_ELEMENT_DESC InputElementDescs[] = {
168 { "POSITION", 0, DXGI_FORMAT_R32G32B32A32_FLOAT, 0, offsetof(Vertex, position), D3D11_INPUT_PER_VERTEX_DATA, 0 },
169 { "COLOR", 0, DXGI_FORMAT_R32G32B32A32_FLOAT, 0, offsetof(Vertex, color), D3D11_INPUT_PER_VERTEX_DATA, 0 }
172 ID3D11InputLayout *pVertexLayout = NULL;
173 hr = g_pDevice->CreateInputLayout(InputElementDescs,
182 g_pDeviceContext->IASetInputLayout(pVertexLayout);
184 ID3D11PixelShader * pPixelShader;
185 hr = g_pDevice->CreatePixelShader(g_PS, sizeof g_PS, NULL, &pPixelShader);
190 g_pDeviceContext->VSSetShader(pVertexShader, NULL, 0);
191 g_pDeviceContext->PSSetShader(pPixelShader, NULL, 0);
193 static const Vertex vertices[] = {
194 { { -0.9f, -0.9f, 0.5f, 1.0f}, { 0.8f, 0.0f, 0.0f, 0.1f } },
195 { { 0.9f, -0.9f, 0.5f, 1.0f}, { 0.0f, 0.9f, 0.0f, 0.1f } },
196 { { 0.0f, 0.9f, 0.5f, 1.0f}, { 0.0f, 0.0f, 0.7f, 0.1f } },
199 D3D11_BUFFER_DESC BufferDesc;
200 ZeroMemory(&BufferDesc, sizeof BufferDesc);
201 BufferDesc.Usage = D3D11_USAGE_DYNAMIC;
202 BufferDesc.ByteWidth = sizeof vertices;
203 BufferDesc.BindFlags = D3D11_BIND_VERTEX_BUFFER;
204 BufferDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
205 BufferDesc.MiscFlags = 0;
207 D3D11_SUBRESOURCE_DATA BufferData;
208 BufferData.pSysMem = vertices;
209 BufferData.SysMemPitch = 0;
210 BufferData.SysMemSlicePitch = 0;
212 ID3D11Buffer *pVertexBuffer;
213 hr = g_pDevice->CreateBuffer(&BufferDesc, &BufferData, &pVertexBuffer);
218 UINT Stride = sizeof(Vertex);
220 g_pDeviceContext->IASetVertexBuffers(0, 1, &pVertexBuffer, &Stride, &Offset);
222 D3D11_VIEWPORT ViewPort;
223 ViewPort.TopLeftX = 0;
224 ViewPort.TopLeftY = 0;
225 ViewPort.Width = WindowWidth;
226 ViewPort.Height = WindowHeight;
227 ViewPort.MinDepth = 0.0f;
228 ViewPort.MaxDepth = 1.0f;
229 g_pDeviceContext->RSSetViewports(1, &ViewPort);
231 D3D11_RASTERIZER_DESC RasterizerDesc;
232 ZeroMemory(&RasterizerDesc, sizeof RasterizerDesc);
233 RasterizerDesc.CullMode = D3D11_CULL_NONE;
234 RasterizerDesc.FillMode = D3D11_FILL_SOLID;
235 RasterizerDesc.FrontCounterClockwise = true;
236 RasterizerDesc.DepthClipEnable = true;
237 ID3D11RasterizerState* pRasterizerState = NULL;
238 hr = g_pDevice->CreateRasterizerState(&RasterizerDesc, &pRasterizerState);
242 g_pDeviceContext->RSSetState(pRasterizerState);
244 g_pDeviceContext->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
245 g_pDeviceContext->Draw(3, 0);
247 g_pSwapChain->Present(0, 0);
250 ID3D11Buffer *pNullBuffer = NULL;
253 g_pDeviceContext->IASetVertexBuffers(0, 1, &pNullBuffer, &NullStride, &NullOffset);
254 pVertexBuffer->Release();
256 g_pDeviceContext->OMSetRenderTargets(0, NULL, NULL);
257 pRenderTargetView->Release();
259 g_pDeviceContext->IASetInputLayout(NULL);
260 pVertexLayout->Release();
262 g_pDeviceContext->VSSetShader(NULL, NULL, 0);
263 pVertexShader->Release();
265 g_pDeviceContext->PSSetShader(NULL, NULL, 0);
266 pPixelShader->Release();
268 g_pDeviceContext->RSSetState(NULL);
269 pRasterizerState->Release();
271 g_pSwapChain->Release();
274 g_pDeviceContext->Release();
275 g_pDeviceContext = NULL;
277 g_pDevice->Release();