OpenGL ES 1.0 Create framebuffer textures example from Snake on a Sphere

resources.cpp

    PushRenderBuffer();
    PushFrameBuffer();
    
    // Create the renderbuffers and framebuffers
    glGenRenderbuffers(ResourceSky::NUM_BUFFERS, g_res->renderBuffer);
    glGenFramebuffers(ResourceSky::NUM_BUFFERS, g_res->frameBuffer);

    for (int i = 0; i < ResourceSky::NUM_BUFFERS; ++i) {
        glBindRenderbuffer(GL_RENDERBUFFER, g_res->renderBuffer[i]);
        glRenderbufferStorage(GL_RENDERBUFFER, GL_RGBA8_OES, g_res->width[i], g_res->height[i]);
        glBindFramebuffer(GL_FRAMEBUFFER, g_res->frameBuffer[i]);
        r->AllocTextureResource(g_res->texId[i], GL_LINEAR, GL_CLAMP_TO_EDGE);
        g_res->texturePtr[i] = r->GetTextureResource(g_res->texId[i]);
    
        glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA,  g_res->width[i], g_res->height[i], 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
        glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, g_res->texturePtr[i]->GetGLTexture(), 0);
    
    
        //Test the framebuffer for completeness
        GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER) ;
        if(status != GL_FRAMEBUFFER_COMPLETE) {
            NSLog(@"failed to make complete framebuffer object %x", status);
        } else {
            NSLog(@"SkyPlugin [Buffer %d initialized]", i);
        }
    }
    
    PopRenderBuffer();
    PopFrameBuffer();