/** This function is invoked by Gecko via JNI; be careful when modifying signature. */
public LayerRenderer.Frame createFrame() {
// Create the shaders and textures if necessary.
if (!mLayerRendererInitialized) {
mLayerRenderer.checkMonitoringEnabled();
mLayerRenderer.createDefaultProgram();
mLayerRendererInitialized = true;
}
return mLayerRenderer.createFrame(mFrameMetrics);
}
public void destroy() {
if (mLayerClient != null) {
mLayerClient.destroy();
}
if (mRenderer != null) {
mRenderer.destroy();
}
}
private void draw() {
GLState.setClearColor(mClearColor);
gl.depthMask(true);
gl.stencilMask(0xFF);
gl.clear(GL.COLOR_BUFFER_BIT | GL.DEPTH_BUFFER_BIT | GL.STENCIL_BUFFER_BIT);
gl.depthMask(false);
gl.stencilMask(0);
GLState.test(false, false);
GLState.blend(false);
GLState.bindTex2D(-1);
GLState.useProgram(-1);
GLState.bindElementBuffer(-1);
GLState.bindVertexBuffer(-1);
mViewport.setFrom(mMap);
if (GLAdapter.debugView) {
/* modify this to scale only the view, to see
* which tiles are rendered */
mViewport.mvp.setScale(0.5f, 0.5f, 1);
mViewport.viewproj.multiplyLhs(mViewport.mvp);
mViewport.proj.multiplyLhs(mViewport.mvp);
}
/* update layers */
LayerRenderer[] layers = mMap.layers().getLayerRenderer();
for (int i = 0, n = layers.length; i < n; i++) {
LayerRenderer renderer = layers[i];
if (!renderer.isInitialized) {
renderer.setup();
renderer.isInitialized = true;
}
renderer.update(mViewport);
if (renderer.isReady) renderer.render(mViewport);
if (GLAdapter.debug) GLUtils.checkGlError(renderer.getClass().getName());
}
if (GLUtils.checkGlOutOfMemory("finish")) {
BufferObject.checkBufferUsage(true);
// FIXME also throw out some textures etc
}
}
/** Used by robocop for testing purposes. Not for production use! */
public IntBuffer getPixels() {
return mRenderer.getPixels();
}
public int getMaxTextureSize() {
return mRenderer.getMaxTextureSize();
}
public void removeLayer(Layer layer) {
mRenderer.removeLayer(layer);
}
public void addLayer(Layer layer) {
mRenderer.addLayer(layer);
}
/** This function is invoked by Gecko via JNI; be careful when modifying signature. */
public void deactivateProgram() {
mLayerRenderer.deactivateDefaultProgram();
}
