mirror of
https://github.com/NVIDIA/cuda-samples.git
synced 2024-10-07 00:19:17 +08:00
119 lines
3.0 KiB
C++
Executable File
119 lines
3.0 KiB
C++
Executable File
/*
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* Copyright 1993-2018 NVIDIA Corporation. All rights reserved.
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*
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* Please refer to the NVIDIA end user license agreement (EULA) associated
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* with this source code for terms and conditions that govern your use of
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* this software. Any use, reproduction, disclosure, or distribution of
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* this software and related documentation outside the terms of the EULA
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* is strictly prohibited.
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*
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*/
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#include "stdafx.h"
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#include "Win32Application.h"
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HWND Win32Application::m_hwnd = nullptr;
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int Win32Application::Run(DX12CudaSample* pSample, HINSTANCE hInstance, int nCmdShow)
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{
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// Parse the command line parameters
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int argc;
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LPWSTR* argv = CommandLineToArgvW(GetCommandLineW(), &argc);
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pSample->ParseCommandLineArgs(argv, argc);
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LocalFree(argv);
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// Initialize the window class.
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WNDCLASSEX windowClass = { 0 };
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windowClass.cbSize = sizeof(WNDCLASSEX);
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windowClass.style = CS_HREDRAW | CS_VREDRAW;
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windowClass.lpfnWndProc = WindowProc;
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windowClass.hInstance = hInstance;
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windowClass.hCursor = LoadCursor(NULL, IDC_ARROW);
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windowClass.lpszClassName = "DX12CudaSampleClass";
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RegisterClassEx(&windowClass);
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RECT windowRect = { 0, 0, static_cast<LONG>(pSample->GetWidth()), static_cast<LONG>(pSample->GetHeight()) };
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AdjustWindowRect(&windowRect, WS_OVERLAPPEDWINDOW, FALSE);
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// Create the window and store a handle to it.
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m_hwnd = CreateWindow(
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windowClass.lpszClassName,
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pSample->GetTitle(),
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WS_OVERLAPPEDWINDOW,
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CW_USEDEFAULT,
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CW_USEDEFAULT,
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windowRect.right - windowRect.left,
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windowRect.bottom - windowRect.top,
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nullptr, // We have no parent window.
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nullptr, // We aren't using menus.
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hInstance,
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pSample);
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// Initialize the sample. OnInit is defined in each child-implementation of DXSample.
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pSample->OnInit();
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ShowWindow(m_hwnd, nCmdShow);
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// Main sample loop.
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MSG msg = {};
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while (msg.message != WM_QUIT)
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{
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// Process any messages in the queue.
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if (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
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{
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TranslateMessage(&msg);
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DispatchMessage(&msg);
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}
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}
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pSample->OnDestroy();
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// Return this part of the WM_QUIT message to Windows.
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return static_cast<char>(msg.wParam);
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}
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// Main message handler for the sample.
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LRESULT CALLBACK Win32Application::WindowProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
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{
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DX12CudaSample* pSample = reinterpret_cast<DX12CudaSample*>(GetWindowLongPtr(hWnd, GWLP_USERDATA));
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switch (message)
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{
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case WM_CREATE:
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{
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// Save the DXSample* passed in to CreateWindow.
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LPCREATESTRUCT pCreateStruct = reinterpret_cast<LPCREATESTRUCT>(lParam);
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SetWindowLongPtr(hWnd, GWLP_USERDATA, reinterpret_cast<LONG_PTR>(pCreateStruct->lpCreateParams));
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}
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return 0;
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case WM_KEYDOWN:
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if (pSample)
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{
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pSample->OnKeyDown(static_cast<UINT8>(wParam));
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}
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return 0;
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case WM_KEYUP:
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if (pSample)
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{
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pSample->OnKeyUp(static_cast<UINT8>(wParam));
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}
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return 0;
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case WM_PAINT:
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if (pSample)
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{
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pSample->OnRender();
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}
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return 0;
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case WM_DESTROY:
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PostQuitMessage(0);
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return 0;
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}
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// Handle any messages the switch statement didn't.
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return DefWindowProc(hWnd, message, wParam, lParam);
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}
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