Graphics Programs Reference
In-Depth Information
config) {
GLES20.glClearColor(0.0f, 0.0f, 1.0f, 1);
public void onSurfaceChanged(GL10 gl, int width, int
height) {
GLES20.glViewport(0, 0, width, height);
public void onDrawFrame(GL10 gl) {
After specifying the Renderer object, add this surface to the view hierarchy of the
current activity using the setContentView method discussed in Chapter 2 .
Renderer Thread
Using the GLSurfaceView class and the addContentView method, we can
conveniently decouple OpenGL ES graphics from XML-based views (discussed in
Chapter 2 , section “Setting Views Using setContentView and addContentView”), so
that the XML-based views get displayed on top of the rendering surface hosting the
3D graphics (as shown in Figure 3-1 ).
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