Разработка OpenGL ES 2.0 в Visual Studio С++

// // Book:      OpenGL(R) ES 2.0 Programming Guide // Authors:   Aaftab Munshi, Dan Ginsburg, Dave Shreiner // ISBN-10:   0321502795 // ISBN-13:   9780321502797 // Publisher: Addison-Wesley Professional // URLs:      http://safari.informit.com/9780321563835 //            http://www.opengles-book.com //  // Hello_Triangle.c // //    This is a simple example that draws a single triangle with //    a minimal vertex/fragment shader.  The purpose of this  //    example is to demonstrate the basic concepts of  //    OpenGL ES 2.0 rendering. #include <stdlib.h> #include "esUtil.h"  typedef struct {    // Handle to a program object    GLuint programObject;  } UserData;  /// // Create a shader object, load the shader source, and // compile the shader. // GLuint LoadShader ( GLenum type, const char *shaderSrc ) {    GLuint shader;    GLint compiled;        // Create the shader object    shader = glCreateShader ( type );     if ( shader == 0 )    	return 0;     // Load the shader source    glShaderSource ( shader, 1, &shaderSrc, NULL );        // Compile the shader    glCompileShader ( shader );     // Check the compile status    glGetShaderiv ( shader, GL_COMPILE_STATUS, &compiled );     if ( !compiled )     {       GLint infoLen = 0;        glGetShaderiv ( shader, GL_INFO_LOG_LENGTH, &infoLen );              if ( infoLen > 1 )       {          char* infoLog = malloc (sizeof(char) * infoLen );           glGetShaderInfoLog ( shader, infoLen, NULL, infoLog );          esLogMessage ( "Error compiling shader:\n%s\n", infoLog );                                free ( infoLog );       }        glDeleteShader ( shader );       return 0;    }     return shader;  }  /// // Initialize the shader and program object // int Init ( ESContext *esContext ) {    UserData *userData = esContext->userData;    GLbyte vShaderStr[] =         "attribute vec4 vPosition;    \n"       "void main()                  \n"       "{                            \n"       "   gl_Position = vPosition;  \n"       "}                            \n";        GLbyte fShaderStr[] =         "precision mediump float;\n"\       "void main()                                  \n"       "{                                            \n"       "  gl_FragColor = vec4 ( 1.0, 0.0, 0.0, 1.0 );\n"       "}                                            \n";     GLuint vertexShader;    GLuint fragmentShader;    GLuint programObject;    GLint linked;     // Load the vertex/fragment shaders    vertexShader = LoadShader ( GL_VERTEX_SHADER, vShaderStr );    fragmentShader = LoadShader ( GL_FRAGMENT_SHADER, fShaderStr );     // Create the program object    programObject = glCreateProgram ( );        if ( programObject == 0 )       return 0;     glAttachShader ( programObject, vertexShader );    glAttachShader ( programObject, fragmentShader );     // Bind vPosition to attribute 0       glBindAttribLocation ( programObject, 0, "vPosition" );     // Link the program    glLinkProgram ( programObject );     // Check the link status    glGetProgramiv ( programObject, GL_LINK_STATUS, &linked );     if ( !linked )     {       GLint infoLen = 0;        glGetProgramiv ( programObject, GL_INFO_LOG_LENGTH, &infoLen );              if ( infoLen > 1 )       {          char* infoLog = malloc (sizeof(char) * infoLen );           glGetProgramInfoLog ( programObject, infoLen, NULL, infoLog );          esLogMessage ( "Error linking program:\n%s\n", infoLog );                                free ( infoLog );       }        glDeleteProgram ( programObject );       return FALSE;    }     // Store the program object    userData->programObject = programObject;     glClearColor ( 0.0f, 0.0f, 0.0f, 0.0f );    return TRUE; }  /// // Draw a triangle using the shader pair created in Init() // void Draw ( ESContext *esContext ) {    UserData *userData = esContext->userData;    GLfloat vVertices[] = {  0.0f,  0.5f, 0.0f,                             -0.5f, -0.5f, 0.0f,                             0.5f, -0.5f, 0.0f };           // Set the viewport    glViewport ( 0, 0, esContext->width, esContext->height );        // Clear the color buffer    glClear ( GL_COLOR_BUFFER_BIT );     // Use the program object    glUseProgram ( userData->programObject );     // Load the vertex data    glVertexAttribPointer ( 0, 3, GL_FLOAT, GL_FALSE, 0, vVertices );    glEnableVertexAttribArray ( 0 );     glDrawArrays ( GL_TRIANGLES, 0, 3 );     eglSwapBuffers ( esContext->eglDisplay, esContext->eglSurface ); }   int main ( int argc, char *argv[] ) {    ESContext esContext;    UserData  userData;     esInitContext ( &esContext );    esContext.userData = &userData;     esCreateWindow ( &esContext, TEXT("Hello Triangle"), 320, 240, ES_WINDOW_RGB );        if ( !Init ( &esContext ) )       return 0;     esRegisterDrawFunc ( &esContext, Draw );        esMainLoop ( &esContext ); }  

Удачного OpenGL ES 2.0 кодинга!