OpneGL ES开发环境配置

OpenGL ES 开发环境配置：VS2005 + Windows Mobile 6 SDK + Windows Mobile 6.51、到/projects/ogl-es/files/下载ogles-bin-1.0.0.zip。

2、解压缩ogles-bin-1.0.0.zip：(1)把include\GLES文件夹复制到C:\Program Files\Windows Mobile 6 SDK\PocketPC\Include\Armv4i 下，（直接把文件夹复制过去）(2)把bin\arm\Release目录下内容除libGLES_CM.dll外复制到C:\Program Files\Windows Mobile 6 SDK\PocketPC\Lib\Armv4i 下，(3)libGLES_CM.dll放到应用程序目录下（拷贝到手机中，与exe文件在同一目录）。

3、新建一个智能设备的Win32 Smart Device Project工程，命名为OpenGlESDemo，Project->Properties->Configuration Properties->Linker->Input->Additional Dependencies，加入libGLES_CM.lib，或代码里加入#pragma comment(lib, "libGLES_CM.lib")，“OpenGlESDemo.cpp”文件中添加如下代码，编译运行，出现一个旋转的渐变色三角形，说明OpenGL ES的开发环境已经部署成功了。

// OpenGlESDemo.cpp#include"stdafx.h"//#include "OpenGLES_First.h"#include"GLES/gl.h"#include"GLES/egl.h"#define PRECISION 16#define ONE (1 << PRECISION)#define ZERO 0// 转换成定点数GLfixed FixedFromInt(int value) {return value << PRECISION;};GLfixed FixedFromFloat(float value) {return static_cast<GLfixed>(value *static_cast<float>(ONE));};GLfixed MultiplyFixed(GLfixed op1, GLfixed op2) {return (op1 * op2) >> PRECISION;};// 程序人口函数int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrevInst, LPTSTR lpCmdLine,int nCmdShow);// 窗口回调函数LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);// opelgles初始化函数BOOL InitOGLES();// 渲染函数void Render();// 资源释放函数void Clean();// 设置透视投影模式函数void Perspective(GLfloat fovy, GLfloat aspect, GLfloat zNear, GLfloat zFar);// 当前实例的句柄HINSTANCE hInst;//窗口的句柄HWND hWnd;// 上下文设备HDC hDC;// 此参数代表程序输出的显示器EGLDisplay glesDisplay;// 此参数实际上就是一个FrameBufferEGLSurface glesSurface;/**此参数代表状态机，存储当前的颜色、纹理坐标、变换矩阵、绚染模式等一大堆状态。

这些状态作用于程序提交的顶点坐标等图元从而形成帧缓冲内的像素*/EGLContext glesContext;//窗口标题TCHAR szAppName[] = L"First OpenGLES ";int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSTR lpCmdLine, int nCmdShow){//系统信息MSG msg;//窗口类WNDCLASS wc;//赋值实例句柄hInst = hInstance;//程序退出标志bool done = FALSE;//确保此程序同时只有一个实例运行if(hWnd = FindWindow(szAppName, szAppName)){//如果已有实例在运行，把其设置为最前端窗口SetForegroundWindow((HWND)((ULONG) hWnd | 0x00000001));return 0;}//设置窗口类属性wc.style = CS_HREDRAW | CS_VREDRAW;wc.lpfnWndProc = (WNDPROC) WndProc;wc.cbClsExtra = 0;wc.cbWndExtra = 0;wc.hInstance = hInstance;wc.hIcon = LoadIcon(hInstance, NULL);wc.hCursor = 0;wc.hbrBackground = 0;wc.lpszMenuName = NULL;wc.lpszClassName = szAppName;//注册窗口类if(!RegisterClass(&wc))return FALSE;//创建窗口hWnd=CreateWindow(szAppName,szAppName,WS_VISIBLE,CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT, CW_USEDEFAULT,NULL, NULL,hInst, NULL);if(!hWnd) return FALSE;//初始化OpenGLESif(!InitOGLES()) return FALSE;//显示窗口ShowWindow(hWnd, nCmdShow);UpdateWindow(hWnd);//消息循环while(!done){if(PeekMessage(&msg,NULL,0,0,PM_REMOVE)) {if(msg.message==WM_QUIT)done=TRUE;else{TranslateMessage(&msg);DispatchMessage(&msg);}}else{//渲染Render();}}//资源释放Clean();return 0;}LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) {switch (message){case WM_PAINT://重绘区域ValidateRect(hWnd,NULL);return 0;case WM_DESTROY:PostQuitMessage(0);return 0;};return DefWindowProc(hWnd, message, wParam, lParam);}/**初始化OpenGLES分四步：调用eglInitialize()初始化egl库用eglChooseConfig()选择合适的FrameBuffer调用eglCreateWindowSurface创建EGLSurface用eglCreateContext创建RenderContext*/BOOL InitOGLES(){//所为Config实际指的是FrameBuffer的参数EGLConfig configs[10];//机器配置EGLint matchingConfigs;//设置配置属性，这些属性决定FrameBuffer的格式和能力const EGLint configAttribs[] ={EGL_RED_SIZE, 8,EGL_GREEN_SIZE, 8,EGL_BLUE_SIZE, 8,EGL_ALPHA_SIZE, EGL_DONT_CARE,EGL_DEPTH_SIZE, 16,EGL_STENCIL_SIZE, EGL_DONT_CARE,EGL_SURFACE_TYPE, EGL_WINDOW_BIT,EGL_NONE, EGL_NONE};// 获取displayhDC = GetWindowDC(hWnd);glesDisplay = eglGetDisplay(hDC); //Ask for an available display// 初始化egl库if(!eglInitialize(glesDisplay, NULL, NULL))return FALSE;// 选择合适的FrameBufferif(!eglChooseConfig(glesDisplay, configAttribs, &configs[0], 10,&matchingConfigs))return FALSE;// 如果没有合适的配置跳出程序if (matchingConfigs < 1) return FALSE;// 创建EGLSurfaceglesSurface = eglCreateWindowSurface(glesDisplay, configs[0], hWnd, configAttribs); if(!glesSurface) return FALSE;// 创建EGLContextglesContext = eglCreateContext(glesDisplay,configs[0],0,configAttribs);if(!glesContext) return FALSE;// 绑定上面设置的属性到当前的渲染中eglMakeCurrent(glesDisplay, glesSurface, glesSurface, glesContext);// 设置屏幕背景色glClearColorx(0, 0, 0, 0);// 启用阴影平滑glShadeModel(GL_SMOOTH);// 设置视口的尺寸RECT rect;GetWindowRect(hWnd, &rect);glViewport(rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top);// 设置投影模式(OpenGL ES提供了种投影模式。