/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.example.android.rs.vr.engine;
import android.util.Log;
/**
* Base implementation of a rendering pipeline Simply renders a box
*/
public class BasicPipeline implements Pipeline {
boolean mCancel = false;
private static final String LOGTAG = "BasicPipeline";
ScriptC_rasterize scriptC_rasterize;
@Override
public void cancel() {
mCancel = true;
}
@Override
public boolean isCancel() {
return mCancel;
}
@Override
public void initBuffers(VrState state) {
mCancel = false;
}
@Override
public void setupTriangles(VrState state) {
Matrix m = state.mTransform.getMatrix(Transform.VOLUME_SPACE, Transform.SCREEN_SPACE);
state.mCubeVolume.transform(m, state.mCubeScreen);
}
@Override
public void rasterizeTriangles(VrState state) {
if (scriptC_rasterize == null) {
scriptC_rasterize = new ScriptC_rasterize(state.mRs);
}
scriptC_rasterize.set_index(state.mCubeScreen.mIndex);
scriptC_rasterize.set_vert(state.mCubeScreen.mVert);
long start = System.nanoTime();
scriptC_rasterize.invoke_setup_triangles(state.mImgWidth, state.mImgHeight);
if (mCancel) return;
scriptC_rasterize.forEach_render_z(state.mzRangeFullAllocation);
state.mRs.finish();
Log.v(LOGTAG,"render triangles "+((System.nanoTime()-start)/1E6f)+" ms");
}
@Override
public void raycast(VrState state) {
scriptC_rasterize.set_z_range_buff(state.mzRangeFullAllocation);
scriptC_rasterize.forEach_draw_z_buffer(state.mzRangeFullAllocation, state.mScrAllocation);
}
}