153 lines
3.8 KiB
C++
153 lines
3.8 KiB
C++
#include <windows.h>
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#include <d3d9.h>
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#include <stdint.h>
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struct CUSTOMVERTEX {
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float x, y, z, rhw;
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uint32_t color;
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};
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#define D3DFVF_CUSTOMVERTEX (D3DFVF_XYZRHW|D3DFVF_DIFFUSE)
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const CUSTOMVERTEX vertices[] = {
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{ 150.0f, 50.0f, 0.5f, 1.0f, 0xffff0000 },
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{ 250.0f, 250.0f, 0.5f, 1.0f, 0xff00ff00 },
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{ 50.0f, 250.0f, 0.5f, 1.0f, 0xff00ffff },
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};
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LRESULT CALLBACK WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
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IDirect3D9 * g_pD3D = NULL;
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IDirect3DDevice9 * g_pd3dDevice = NULL;
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IDirect3DVertexBuffer9 * g_pVB = NULL;
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HRESULT InitDirect3D(HWND hwnd)
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{
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g_pD3D = Direct3DCreate9(D3D_SDK_VERSION);
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if (g_pD3D == NULL)
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return E_FAIL;
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D3DPRESENT_PARAMETERS d3dpp = {};
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d3dpp.Windowed = TRUE;
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d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
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d3dpp.BackBufferFormat = D3DFMT_UNKNOWN;
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HRESULT res = g_pD3D->CreateDevice(D3DADAPTER_DEFAULT,
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D3DDEVTYPE_HAL,
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hwnd,
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D3DCREATE_HARDWARE_VERTEXPROCESSING,
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&d3dpp,
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&g_pd3dDevice);
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if (FAILED(res)) {
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return E_FAIL;
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}
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return S_OK;
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}
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void Cleanup()
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{
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if (g_pd3dDevice != NULL)
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g_pd3dDevice->Release();
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if (g_pD3D != NULL)
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g_pD3D->Release();
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}
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void Render()
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{
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if (g_pd3dDevice == NULL)
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return;
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g_pd3dDevice->Clear(0, NULL, D3DCLEAR_TARGET, D3DCOLOR_XRGB(0, 0, 255), 1.0f, 0);
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g_pd3dDevice->BeginScene();
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g_pd3dDevice->SetStreamSource(0, g_pVB, 0, (sizeof (CUSTOMVERTEX)));
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g_pd3dDevice->SetFVF(D3DFVF_CUSTOMVERTEX);
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g_pd3dDevice->DrawPrimitive(D3DPT_TRIANGLELIST, 0, 1);
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g_pd3dDevice->EndScene();
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g_pd3dDevice->Present(NULL, NULL, NULL, NULL);
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}
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int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, PWSTR pCmdLine, int nCmdShow)
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{
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const wchar_t CLASS_NAME[] = L"Sample Window Class";
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WNDCLASS wc = {};
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wc.lpfnWndProc = WindowProc;
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wc.hInstance = hInstance;
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wc.lpszClassName = CLASS_NAME;
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RegisterClass(&wc);
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HWND hwnd = CreateWindowEx(0, // window style
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CLASS_NAME, // window class
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L"Learn to Program Windows",
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WS_OVERLAPPEDWINDOW,
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// size and position
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CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
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NULL, // parent window
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NULL, // menu
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hInstance, // instance handle
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NULL // additional application data
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);
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if (hwnd == NULL) {
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return 0;
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}
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if (!SUCCEEDED(InitDirect3D(hwnd)))
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return 0;
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HRESULT res;
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res = g_pd3dDevice->CreateVertexBuffer(3 * (sizeof (CUSTOMVERTEX)), // length
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0, // usage
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D3DFVF_CUSTOMVERTEX, // FVF
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D3DPOOL_DEFAULT, // Pool
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&g_pVB, //ppVertexBuffer
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NULL //pSharedHandle
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);
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if (FAILED(res))
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return 0;
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void * pVertices;
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res = g_pVB->Lock(0, (sizeof (vertices)), &pVertices, 0);
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if (FAILED(res))
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return 0;
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memcpy(pVertices, vertices, (sizeof (vertices)));
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g_pVB->Unlock();
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ShowWindow(hwnd, nCmdShow);
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UpdateWindow(hwnd);
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MSG msg = { };
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while (GetMessage(&msg, NULL, 0, 0) > 0) {
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TranslateMessage(&msg);
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DispatchMessage(&msg);
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}
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return 0;
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}
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LRESULT CALLBACK WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
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{
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switch (uMsg) {
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case WM_DESTROY:
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PostQuitMessage(0);
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return 0;
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case WM_PAINT:
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{
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Render();
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//ValidateRect(hwnd, NULL);
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}
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return 0;
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}
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return DefWindowProc(hwnd, uMsg, wParam, lParam);
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}
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