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//Includes and Define's:#include <windows.h>#include <gl/gl.h>#include <gl/glu.h>#define TGGL_WINDOW_CAPTION "TheGeek's OpenGL Template"#define TGGL_WINDOW_CLASS_NAME "TheGeek_OpenGL"#define TGGL_WIDTH 800#define TGGL_HEIGHT 600typedef struct{	float x;	float y;	float z;}TGGL_Vertix;typedef struct{	float r;	float g;	float b;}TGGL_Color;typedef struct{	TGGL_Vertix v1;	TGGL_Vertix v2;	TGGL_Vertix v3;	TGGL_Color color;}TGGL_Poly;//Function Definitions:LRESULT				CALLBACK WindowProc(HWND, UINT, WPARAM, LPARAM);void				RenderPoly(TGGL_Poly);//Globals:char				g_szClassName[] = TGGL_WINDOW_CLASS_NAME;HGLRC				g_hrc;HDC					g_hdc;UINT				g_uTexture;//Functions:int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow){	WNDCLASSEX wndclassex;	MSG msg;	HWND hwnd;	PIXELFORMATDESCRIPTOR pfd;	int iFormat, iWindowWidth, iWindowHeight;	RECT rcClient, rcWindow;	HFILE hRawTexture;	BYTE *pbData;	DWORD dwBytesRead;	ZeroMemory(&wndclassex, sizeof(wndclassex));	wndclassex.cbSize			= sizeof(WNDCLASSEX);	wndclassex.style			= CS_HREDRAW | CS_VREDRAW;	wndclassex.lpfnWndProc		= WindowProc;	wndclassex.hInstance		= hInstance;	wndclassex.hIcon			= LoadIcon(NULL, IDI_APPLICATION);	wndclassex.hIconSm			= LoadIcon(NULL, IDI_APPLICATION);	wndclassex.hCursor			= LoadCursor(NULL, IDC_ARROW);	wndclassex.hbrBackground	= (HBRUSH)(COLOR_WINDOW+1);	wndclassex.lpszClassName	= g_szClassName;	if(!RegisterClassEx(&wndclassex)){		char szError[150] = "Line %d: Class registration failed.";		sprintf(szError, szError, __LINE__ - 2);		MessageBox(NULL, szError, "Fatal Error", MB_OK | MB_ICONERROR);		return 0;	}	hwnd = CreateWindowEx(WS_EX_APPWINDOW, g_szClassName, TGGL_WINDOW_CAPTION, WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_MINIMIZEBOX | WS_SYSMENU, CW_USEDEFAULT, CW_USEDEFAULT, TGGL_WIDTH, TGGL_HEIGHT, NULL, NULL, hInstance, NULL);	if(hwnd == NULL){		char szError[150] = "Line %d: Window creation failed.";		sprintf(szError, szError, __LINE__ - 3);		MessageBox(NULL, szError, "Fatal Error", MB_OK | MB_ICONERROR);		return 0;	}	//Adjust window dimensions	GetWindowRect(hwnd, &rcWindow);	GetClientRect(hwnd, &rcClient);	iWindowWidth = ((rcWindow.right - rcWindow.left) - rcClient.right) + TGGL_WIDTH;	iWindowHeight = ((rcWindow.bottom - rcWindow.top) - rcClient.bottom) + TGGL_HEIGHT;	SetWindowPos(hwnd, NULL, 0, 0, iWindowWidth, iWindowHeight, SWP_NOZORDER | SWP_NOMOVE);	g_hdc = GetDC(hwnd);	ZeroMemory(&pfd, sizeof(pfd));	pfd.nSize = sizeof(pfd);	pfd.nVersion = 1;	pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER;	pfd.iPixelType = PFD_TYPE_RGBA;	pfd.cColorBits = 24;	pfd.cDepthBits = 32;	pfd.iLayerType = PFD_MAIN_PLANE;	iFormat = ChoosePixelFormat(g_hdc, &pfd);	SetPixelFormat(g_hdc, iFormat, &pfd);	g_hrc = wglCreateContext(g_hdc);	wglMakeCurrent(g_hdc, g_hrc);	//Set OpenGL options	glClearColor(0.0f, 0.0f, 0.0f, 0.5f);	glClearDepth(1.0f);	glDepthFunc(GL_LEQUAL);	glEnable(GL_DEPTH_TEST);	glEnable(GL_TEXTURE_2D);	glShadeModel(GL_SMOOTH);	glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);		///	glViewport(0, 0, TGGL_WIDTH, TGGL_HEIGHT);	glMatrixMode(GL_PROJECTION);	glLoadIdentity();	gluPerspective(45.0f, TGGL_WIDTH/TGGL_HEIGHT, 0.1f, 100.0f);	glMatrixMode(GL_MODELVIEW);	glLoadIdentity();	///	//Load texture	pbData = GlobalAlloc(GPTR, 256*256*3);	hRawTexture = CreateFile("C:\\Documents and Settings\\cesar\\Bureaublad\\texture.raw", GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, NULL, NULL);	ReadFile(hRawTexture, pbData, 256*256*3, &dwBytesRead, NULL);	CloseHandle(hRawTexture);	glGenTextures(1, &g_uTexture);	glBindTexture(GL_TEXTURE_2D, g_uTexture);	glTexImage2D(GL_TEXTURE_2D, 0, 3, 256, 256, 0, GL_RGB, GL_UNSIGNED_BYTE, pbData);	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);	GlobalFree(pbData);	ShowWindow(hwnd, SW_SHOW);	UpdateWindow(hwnd);	SetTimer(hwnd, 1, 30, NULL);	while(GetMessage(&msg, NULL, 0, 0) > 0){		TranslateMessage(&msg);		DispatchMessage(&msg);	}	wglMakeCurrent(NULL, NULL);	wglDeleteContext(g_hrc);	ReleaseDC(hwnd, g_hdc);	return (int)msg.wParam;}LRESULT CALLBACK WindowProc(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam){	static TGGL_Poly poly = {		{0.0f, 1.0f, 0.0f},		//v1		{0.87f, -0.5f, 0.0f},	//v2 		{-0.87f, -0.5f, 0.0f},	//v3		{1.0f, 0.0f, 0.0f}		//color	};	static float fRotation = 0.0f;	switch(msg){		case WM_DESTROY:			PostQuitMessage(0);		break;		case WM_PAINT:			{				PAINTSTRUCT ps;				BeginPaint(hwnd, &ps);				glClearColor( 0.0f, 0.0f, 0.0f, 0.0f );				glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);				glLoadIdentity();				glRotatef(fRotation, 1.0f, 1.0f, 0.0f);				//RenderPoly(poly);				//Quad with texture:				glBindTexture(GL_TEXTURE_2D, g_uTexture);				glBegin(GL_QUADS);				glTexCoord2f(0.0f, 0.0f); glVertex3f(-0.5f, -0.5f,  0.0f);				glTexCoord2f(1.0f, 0.0f); glVertex3f( 0.5f, -0.5f,  0.0f);				glTexCoord2f(1.0f, 1.0f); glVertex3f( 0.5f,  0.5f,  0.0f);				glTexCoord2f(0.0f, 1.0f); glVertex3f(-0.5f,  0.5f,  0.0f);				glEnd();				SwapBuffers(g_hdc);				EndPaint(hwnd, &ps);			}		break;		case WM_TIMER:			if(wparam == 1){				if(fRotation >= 360){					fRotation = 0;				}else{					fRotation += 1;				}				RedrawWindow(hwnd, NULL, NULL, RDW_INVALIDATE | RDW_UPDATENOW);			}		break;		case WM_ERASEBKGND:			return TRUE;		break;		default:			return DefWindowProc(hwnd, msg, wparam, lparam);	}	return 0;}void RenderPoly(TGGL_Poly poly){	glBegin(GL_TRIANGLES);	glColor3f(poly.color.r, poly.color.g, poly.color.b);	glVertex3f(poly.v1.x, poly.v1.y, poly.v1.z);	glVertex3f(poly.v2.x, poly.v2.y, poly.v2.z);	glVertex3f(poly.v3.x, poly.v3.y, poly.v3.z);	glEnd();}