EFImage

gistfile1.txt

-(void) sandbox {
    EFDisplay *display = [EFDisplay defaultDisplay];
    
    const EGLint attributes[] = {
        EGL_SURFACE_TYPE, EGL_PBUFFER_BIT,
        EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
        EGL_NONE, /* termination sentinel */
    };
    
    EFSurfaceConfig *config = [display configurationsForAttributes:attributes].firstObject;
    
    EFContext *context = [[EFContext alloc] initWithAPI:EFContextClientAPI2 display:display config:config];
    
    context.surface = [[[EFPBufferSurface alloc] initWithDisplay:display config:config] autorelease];
    
    BOOL success = [context makeCurrent];
    
    GLuint texture;
    glActiveTexture(GL_TEXTURE0);
    
    glGenTextures(1, &texture);
    glBindTexture(GL_TEXTURE_2D, texture);
    
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
    
    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 200, 200, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
    
    image = [[EFImage alloc] initWithDisplay:display context:context texture:texture];
}