Added an application framework for demos. Ported hello-triangle example in Op...

third_party/gles_book_examples/Common/Source/esShader.c

 //
 // 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
 //
 
@@ skipping 22 matching lines @@
 //
 //
 
 //
 ///
 /// \brief Load a shader, check for compile errors, print error messages to output log
 /// \param type Type of shader (GL_VERTEX_SHADER or GL_FRAGMENT_SHADER)
 /// \param shaderSrc Shader source string
 /// \return A new shader object on success, 0 on failure
 //
-GLuint ESUTIL_API esLoadShader ( GLenum type, const char *shaderSrc )
+GLuint esLoadShader ( GLenum type, const char *shaderSrc )
 {
    GLuint shader;
    GLint compiled;
    
    // Create the shader object
    shader = glCreateShader ( type );
 
    if ( shader == 0 )
         return 0;
 
@@ skipping 32 matching lines @@
 
 
 //
 ///
 /// \brief Load a vertex and fragment shader, create a program object, link program.
 //         Errors output to log.
 /// \param vertShaderSrc Vertex shader source code
 /// \param fragShaderSrc Fragment shader source code
 /// \return A new program object linked with the vertex/fragment shader pair, 0 on failure
 //
-GLuint ESUTIL_API esLoadProgram ( const char *vertShaderSrc, const char *fragShaderSrc )
+GLuint esLoadProgram ( const char *vertShaderSrc, const char *fragShaderSrc )
 {
    GLuint vertexShader;
    GLuint fragmentShader;
    GLuint programObject;
    GLint linked;
 
    // Load the vertex/fragment shaders
    vertexShader = esLoadShader ( GL_VERTEX_SHADER, vertShaderSrc );
    if ( vertexShader == 0 )
       return 0;
@@ skipping 39 matching lines @@
       glDeleteProgram ( programObject );
       return 0;
    }
 
    // Free up no longer needed shader resources
    glDeleteShader ( vertexShader );
    glDeleteShader ( fragmentShader );
 
    return programObject;
 }