TGE-GL - OpenGL plugin for TGE

OpenGL support for TGE runtime - TGE

Based on :

• go-gl - Copyright (c) 2014 Eric Woroshow
• gomobile - Copyright (c) 2009 The Go Authors. All rights reserved.

Targets

• OpenGL 3.3 core on Desktop
• WebGL2 on Browsers
• OpenGLES 3 on Mobile

Dependencies

• TGE core

Mobile

In order to use this package on Linux desktop distros, you may need OpenGL library as an external dependency:

sudo apt-get install libgl1-mesa-dev

Limitations

Not implemented

• glUniformMatrix2x3fv
• glUniformMatrix3x2fv
• glUniformMatrix2x4fv
• glUniformMatrix4x2fv
• glUniformMatrix3x4fv
• glUniformMatrix4x3fv
• glBlitFramebuffer
• PolygonMode on Mobile/Browser

Implementation

See example at OpenGL example

Just import package and OpenGL API is available in all methods of your App except OnCreate():

package main

import (
    tge "github.com/thommil/tge"
    gl "github.com/thommil/tge-gl"
)

type MyApp struct {
}

func (app *MyApp) OnStart(runtime tge.Runtime) error {
    runtime.Subscribe(tge.ResizeEvent{}.Channel(), app.OnResize)
    gl.ClearColor(0.15, 0.04, 0.15, 1)
    return nil
}

func (app *MyApp) OnResize(event tge.Event) bool {
    gl.Viewport(0, 0, int(event.(tge.ResizeEvent).Width), int(event.(tge.ResizeEvent).Height))
    return false
}

...