git.cworth.org Git - apitrace-tests/blob - apps/d3d10/tri.cpp

   1 /**************************************************************************
   2  *
   3  * Copyright 2012 Jose Fonseca
   4  * All Rights Reserved.
   5  *
   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:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  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
  22  * THE SOFTWARE.
  23  *
  24  **************************************************************************/
  25
  26
  27 #include <stdio.h>
  28 #include <stddef.h>
  29
  30 #include <initguid.h>
  31 #include <windows.h>
  32
  33 #include "compat.h"
  34
  35 #include <d3d10.h>
  36 #include <d3d10shader.h>
  37
  38
  39 static IDXGISwapChain* g_pSwapChain = NULL;
  40 static ID3D10Device * g_pDevice = NULL;
  41
  42
  43 int main(int argc, char *argv[]){
  44     HRESULT hr;
  45
  46     HINSTANCE hInstance = GetModuleHandle(NULL);
  47
  48     WNDCLASSEX wc = {
  49         sizeof(WNDCLASSEX),
  50         CS_CLASSDC,
  51         DefWindowProc,
  52         0,
  53         0,
  54         hInstance,
  55         NULL,
  56         NULL,
  57         NULL,
  58         NULL,
  59         "SimpleDX10",
  60         NULL
  61     };
  62     RegisterClassEx(&wc);
  63
  64     const int WindowWidth = 250;
  65     const int WindowHeight = 250;
  66     BOOL Windowed = TRUE;
  67
  68     DWORD dwStyle = WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_OVERLAPPEDWINDOW;
  69
  70     RECT rect = {0, 0, WindowWidth, WindowHeight};
  71     AdjustWindowRect(&rect, dwStyle, FALSE);
  72
  73     HWND hWnd = CreateWindow(wc.lpszClassName,
  74                              "Simple example using DirectX10",
  75                              dwStyle,
  76                              CW_USEDEFAULT, CW_USEDEFAULT,
  77                              rect.right - rect.left,
  78                              rect.bottom - rect.top,
  79                              NULL,
  80                              NULL,
  81                              hInstance,
  82                              NULL);
  83     if (!hWnd) {
  84         return 1;
  85     }
  86
  87     ShowWindow(hWnd, SW_SHOW);
  88
  89     DXGI_SWAP_CHAIN_DESC SwapChainDesc;
  90     ZeroMemory(&SwapChainDesc, sizeof SwapChainDesc);
  91     SwapChainDesc.BufferDesc.Width = WindowWidth;
  92     SwapChainDesc.BufferDesc.Height = WindowHeight;
  93     SwapChainDesc.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;;
  94     SwapChainDesc.BufferDesc.RefreshRate.Numerator = 60;
  95     SwapChainDesc.BufferDesc.RefreshRate.Denominator = 1;
  96     SwapChainDesc.SampleDesc.Quality = 0;
  97     SwapChainDesc.SampleDesc.Count = 1;
  98     SwapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
  99     SwapChainDesc.BufferCount = 2;
 100     SwapChainDesc.OutputWindow = hWnd;
 101     SwapChainDesc.Windowed = true;
 102
 103     hr = D3D10CreateDeviceAndSwapChain(NULL,
 104                                        D3D10_DRIVER_TYPE_HARDWARE,
 105                                        NULL,
 106                                        D3D10_CREATE_DEVICE_DEBUG,
 107                                        D3D10_SDK_VERSION,
 108                                        &SwapChainDesc,
 109                                        &g_pSwapChain,
 110                                        &g_pDevice);
 111     if (FAILED(hr)) {
 112         return 1;
 113     }
 114
 115     ID3D10RenderTargetView *pRenderTargetView = NULL;
 116     ID3D10Texture2D* pBackBuffer;
 117     hr = g_pSwapChain->GetBuffer(0, IID_ID3D10Texture2D, (void **)&pBackBuffer);
 118     if (FAILED(hr)) {
 119         return 1;
 120     }
 121     hr = g_pDevice->CreateRenderTargetView(pBackBuffer, NULL, &pRenderTargetView);
 122     if (FAILED(hr)) {
 123         return 1;
 124     }
 125     pBackBuffer->Release();
 126
 127     g_pDevice->OMSetRenderTargets(1, &pRenderTargetView, NULL);
 128
 129     const float clearColor[4] = { 0.3f, 0.1f, 0.3f, 1.0f };
 130     g_pDevice->ClearRenderTargetView(pRenderTargetView, clearColor);
 131
 132     const char *szShader =
 133         "struct VS_OUTPUT {\n"
 134         "    float4 Pos : SV_POSITION;\n"
 135         "    float4 Color : COLOR0;\n"
 136         "};\n"
 137         "\n"
 138         "VS_OUTPUT VS(float4 Pos : POSITION, float4 Color : COLOR) {\n"
 139         "    VS_OUTPUT Out;\n"
 140         "    Out.Pos = Pos;\n"
 141         "    Out.Color = Color;\n"
 142         "    return Out;\n"
 143         "}\n"
 144         "\n"
 145         "float4 PS(VS_OUTPUT In) : SV_Target {\n"
 146         "    return In.Color;\n"
 147         "}\n"
 148     ;
 149
 150     ID3D10Blob *pVertexShaderBlob = NULL;
 151     ID3D10Blob *pErrorMsgs = NULL;
 152
 153     hr = D3D10CompileShader(szShader, strlen(szShader), NULL, NULL, NULL, "VS", "vs_4_0", 0, &pVertexShaderBlob, &pErrorMsgs);
 154     if (pErrorMsgs) {
 155         fprintf(stderr, "%s\n", pErrorMsgs->GetBufferPointer());
 156         pErrorMsgs->Release();
 157     }
 158     if (FAILED(hr)) {
 159         return 1;
 160     }
 161
 162     ID3D10VertexShader * pVertexShader;
 163     hr = g_pDevice->CreateVertexShader((DWORD*)pVertexShaderBlob->GetBufferPointer(), pVertexShaderBlob->GetBufferSize(), &pVertexShader);
 164
 165     struct Vertex {
 166         float position[4];
 167         float color[4];
 168     };
 169
 170     D3D10_INPUT_ELEMENT_DESC InputElementDescs[] = {
 171         { "POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT,    0, offsetof(Vertex, position), D3D10_INPUT_PER_VERTEX_DATA, 0 },
 172         { "COLOR",    0, DXGI_FORMAT_R32G32B32A32_FLOAT, 0, offsetof(Vertex, color),    D3D10_INPUT_PER_VERTEX_DATA, 0 }
 173     };
 174
 175     ID3D10InputLayout *pVertexLayout = NULL;
 176     hr = g_pDevice->CreateInputLayout(InputElementDescs,
 177                                       2,
 178                                       pVertexShaderBlob->GetBufferPointer(),
 179                                       pVertexShaderBlob->GetBufferSize(),
 180                                       &pVertexLayout);
 181     pVertexShaderBlob->Release();
 182
 183     g_pDevice->IASetInputLayout(pVertexLayout);
 184
 185
 186     ID3D10Blob *pPixelShaderBlob = NULL;
 187     pErrorMsgs = NULL;
 188     hr = D3D10CompileShader(szShader, strlen(szShader), NULL, NULL, NULL, "PS", "ps_4_0", 0, &pPixelShaderBlob, &pErrorMsgs);
 189     if (pErrorMsgs) {
 190         fprintf(stderr, "%s\n", pErrorMsgs->GetBufferPointer());
 191         pErrorMsgs->Release();
 192     }
 193     if (FAILED(hr)) {
 194         return 1;
 195     }
 196
 197     ID3D10PixelShader * pPixelShader;
 198     hr = g_pDevice->CreatePixelShader((DWORD*)pPixelShaderBlob->GetBufferPointer(), pPixelShaderBlob->GetBufferSize(), &pPixelShader);
 199     pPixelShaderBlob->Release();
 200
 201
 202     g_pDevice->VSSetShader(pVertexShader);
 203     g_pDevice->PSSetShader(pPixelShader);
 204
 205     static const Vertex vertices[] = {
 206         { { -0.9f, -0.9f, 0.5f, 1.0f}, { 0.8f, 0.0f, 0.0f, 0.1f } },
 207         { {  0.9f, -0.9f, 0.5f, 1.0f}, { 0.0f, 0.9f, 0.0f, 0.1f } },
 208         { {  0.0f,  0.9f, 0.5f, 1.0f}, { 0.0f, 0.0f, 0.7f, 0.1f } },
 209     };
 210
 211     D3D10_BUFFER_DESC BufferDesc;
 212     ZeroMemory(&BufferDesc, sizeof BufferDesc);
 213     BufferDesc.Usage = D3D10_USAGE_DYNAMIC;
 214     BufferDesc.ByteWidth = sizeof vertices;
 215     BufferDesc.BindFlags = D3D10_BIND_VERTEX_BUFFER;
 216     BufferDesc.CPUAccessFlags = D3D10_CPU_ACCESS_WRITE;
 217     BufferDesc.MiscFlags = 0;
 218
 219     ID3D10Buffer *pVertexBuffer;
 220     hr = g_pDevice->CreateBuffer(&BufferDesc, NULL, &pVertexBuffer);
 221
 222     void *pMap = NULL;
 223     pVertexBuffer->Map(D3D10_MAP_WRITE_DISCARD, 0, &pMap);
 224     memcpy(pMap, vertices, sizeof vertices);
 225     pVertexBuffer->Unmap();
 226
 227     UINT Stride = sizeof(Vertex);
 228     UINT Offset = 0;
 229     g_pDevice->IASetVertexBuffers(0, 1, &pVertexBuffer, &Stride, &Offset);
 230
 231     D3D10_VIEWPORT ViewPort;
 232     ViewPort.TopLeftX = 0;
 233     ViewPort.TopLeftY = 0;
 234     ViewPort.Width = WindowWidth;
 235     ViewPort.Height = WindowHeight;
 236     ViewPort.MinDepth = 0.0f;
 237     ViewPort.MaxDepth = 1.0f;
 238     g_pDevice->RSSetViewports(1, &ViewPort);
 239
 240     D3D10_RASTERIZER_DESC RasterizerDesc;
 241     ZeroMemory(&RasterizerDesc, sizeof RasterizerDesc);
 242     RasterizerDesc.CullMode = D3D10_CULL_NONE;
 243     RasterizerDesc.FillMode = D3D10_FILL_SOLID;
 244     RasterizerDesc.FrontCounterClockwise = true;
 245     ID3D10RasterizerState* pRasterizerState = NULL;
 246     g_pDevice->CreateRasterizerState(&RasterizerDesc, &pRasterizerState);
 247     g_pDevice->RSSetState(pRasterizerState);
 248
 249     g_pDevice->IASetPrimitiveTopology(D3D10_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
 250     g_pDevice->Draw(3, 0);
 251
 252     g_pSwapChain->Present(0, 0);
 253
 254
 255     ID3D10Buffer *pNullBuffer = NULL;
 256     UINT NullStride = 0;
 257     UINT NullOffset = 0;
 258     g_pDevice->IASetVertexBuffers(0, 1, &pNullBuffer, &NullStride, &NullOffset);
 259     pVertexBuffer->Release();
 260
 261     g_pDevice->OMSetRenderTargets(0, NULL, NULL);
 262     pRenderTargetView->Release();
 263
 264     g_pDevice->IASetInputLayout(NULL);
 265     pVertexLayout->Release();
 266
 267     g_pDevice->VSSetShader(NULL);
 268     pVertexShader->Release();
 269
 270     g_pDevice->PSSetShader(NULL);
 271     pPixelShader->Release();
 272
 273     g_pDevice->RSSetState(NULL);
 274     pRasterizerState->Release();
 275
 276     g_pSwapChain->Release();
 277     g_pSwapChain = NULL;
 278
 279     g_pDevice->Release();
 280     g_pDevice = NULL;
 281
 282     DestroyWindow(hWnd);
 283
 284     return 0;
 285 }
 286