165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn/* 265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * Copyright (C) 2011 The Android Open Source Project 365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * 465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * Licensed under the Apache License, Version 2.0 (the "License"); 565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * you may not use this file except in compliance with the License. 665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * You may obtain a copy of the License at 765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * 865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * http://www.apache.org/licenses/LICENSE-2.0 965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * 1065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * Unless required by applicable law or agreed to in writing, software 1165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * distributed under the License is distributed on an "AS IS" BASIS, 1265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * See the License for the specific language governing permissions and 1465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * limitations under the License. 1565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn */ 1665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 1765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 1865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennpackage android.filterpacks.ui; 1965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 2065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.Filter; 2165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.FilterContext; 2265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.Frame; 2365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.FrameFormat; 2465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.GenerateFieldPort; 2565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.GenerateFinalPort; 2665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.GLEnvironment; 2765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.GLFrame; 2865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.KeyValueMap; 2965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.MutableFrameFormat; 3065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.NativeProgram; 3165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.NativeFrame; 3265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.Program; 3365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.ShaderProgram; 3465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.format.ImageFormat; 3565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 3665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.view.Surface; 3765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.view.SurfaceHolder; 3865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.view.SurfaceView; 3965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 4065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.graphics.Rect; 4165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 4265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.util.Log; 4365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 4465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn/** 4565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * @hide 4665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn */ 4765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennpublic class SurfaceTargetFilter extends Filter { 4865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 4965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private final int RENDERMODE_STRETCH = 0; 5065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private final int RENDERMODE_FIT = 1; 5165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private final int RENDERMODE_FILL_CROP = 2; 5265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 5365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn /** Required. Sets the destination surface for this node. This assumes that 5465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * higher-level code is ensuring that the surface is valid, and properly 5565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * updates Surface parameters if they change. 5665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn */ 5765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @GenerateFinalPort(name = "surface") 5865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private Surface mSurface; 5965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 6065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn /** Required. Width of the output surface */ 6165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @GenerateFieldPort(name = "owidth") 6265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private int mScreenWidth; 6365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 6465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn /** Required. Height of the output surface */ 6565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @GenerateFieldPort(name = "oheight") 6665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private int mScreenHeight; 6765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 6865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn /** Optional. Control how the incoming frames are rendered onto the 6965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * output. Default is FIT. 7065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * RENDERMODE_STRETCH: Just fill the output surfaceView. 7165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * RENDERMODE_FIT: Keep aspect ratio and fit without cropping. May 7265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * have black bars. 7365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * RENDERMODE_FILL_CROP: Keep aspect ratio and fit without black 7465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * bars. May crop. 7565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn */ 7665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @GenerateFieldPort(name = "renderMode", hasDefault = true) 7765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private String mRenderModeString; 7865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 7965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private ShaderProgram mProgram; 8065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private GLEnvironment mGlEnv; 8165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private GLFrame mScreen; 8265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private int mRenderMode = RENDERMODE_FIT; 8365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private float mAspectRatio = 1.f; 8465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 8565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private int mSurfaceId = -1; 8665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 8765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private boolean mLogVerbose; 8865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private static final String TAG = "SurfaceRenderFilter"; 8965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 9065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public SurfaceTargetFilter(String name) { 9165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn super(name); 9265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 9365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mLogVerbose = Log.isLoggable(TAG, Log.VERBOSE); 9465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 9565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 9665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 9765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void setupPorts() { 9865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Make sure we have a Surface 9965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mSurface == null) { 10065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn throw new RuntimeException("NULL Surface passed to SurfaceTargetFilter"); 10165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 10265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 10365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Add input port 10465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn addMaskedInputPort("frame", ImageFormat.create(ImageFormat.COLORSPACE_RGBA)); 10565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 10665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 10765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void updateRenderMode() { 10865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mRenderModeString != null) { 10965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mRenderModeString.equals("stretch")) { 11065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mRenderMode = RENDERMODE_STRETCH; 11165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } else if (mRenderModeString.equals("fit")) { 11265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mRenderMode = RENDERMODE_FIT; 11365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } else if (mRenderModeString.equals("fill_crop")) { 11465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mRenderMode = RENDERMODE_FILL_CROP; 11565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } else { 11665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn throw new RuntimeException("Unknown render mode '" + mRenderModeString + "'!"); 11765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 11865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 11965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn updateTargetRect(); 12065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 12165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 12265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 12365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void prepare(FilterContext context) { 12465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mGlEnv = context.getGLEnvironment(); 12565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 12665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Create identity shader to render, and make sure to render upside-down, as textures 12765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // are stored internally bottom-to-top. 12865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram = ShaderProgram.createIdentity(context); 12965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram.setSourceRect(0, 1, 1, -1); 13065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram.setClearsOutput(true); 13165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram.setClearColor(0.0f, 0.0f, 0.0f); 13265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 13365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn MutableFrameFormat screenFormat = ImageFormat.create(mScreenWidth, 13465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mScreenHeight, 13565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn ImageFormat.COLORSPACE_RGBA, 13665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn FrameFormat.TARGET_GPU); 13765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mScreen = (GLFrame)context.getFrameManager().newBoundFrame(screenFormat, 13865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn GLFrame.EXISTING_FBO_BINDING, 13965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 0); 14065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 14165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Set up cropping 14265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn updateRenderMode(); 14365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 14465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 14565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 14665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void open(FilterContext context) { 14765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn registerSurface(); 14865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 14965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 15065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 15165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void process(FilterContext context) { 15265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mLogVerbose) Log.v(TAG, "Starting frame processing"); 15365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 15465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Get input frame 15565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn Frame input = pullInput("frame"); 15665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn boolean createdFrame = false; 15765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 15865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn float currentAspectRatio = (float)input.getFormat().getWidth() / input.getFormat().getHeight(); 15965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (currentAspectRatio != mAspectRatio) { 16065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mLogVerbose) Log.v(TAG, "New aspect ratio: " + currentAspectRatio +", previously: " + mAspectRatio); 16165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mAspectRatio = currentAspectRatio; 16265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn updateTargetRect(); 16365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 16465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 16565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // See if we need to copy to GPU 16665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn Frame gpuFrame = null; 16765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mLogVerbose) Log.v("SurfaceRenderFilter", "Got input format: " + input.getFormat()); 16865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn int target = input.getFormat().getTarget(); 16965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (target != FrameFormat.TARGET_GPU) { 17065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn gpuFrame = context.getFrameManager().duplicateFrameToTarget(input, 17165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn FrameFormat.TARGET_GPU); 17265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn createdFrame = true; 17365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } else { 17465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn gpuFrame = input; 17565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 17665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 17765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Activate our surface 17865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mGlEnv.activateSurfaceWithId(mSurfaceId); 17965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 18065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Process 18165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram.process(gpuFrame, mScreen); 18265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 18365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // And swap buffers 18465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mGlEnv.swapBuffers(); 18565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 18665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (createdFrame) { 18765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn gpuFrame.release(); 18865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 18965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 19065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 19165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 19265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void fieldPortValueUpdated(String name, FilterContext context) { 19365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mScreen.setViewport(0, 0, mScreenWidth, mScreenHeight); 19465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn updateTargetRect(); 19565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 19665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 19765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 19865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void close(FilterContext context) { 19965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn unregisterSurface(); 20065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 20165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 20265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 20365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void tearDown(FilterContext context) { 20465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mScreen != null) { 20565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mScreen.release(); 20665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 20765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 20865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 20965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private void updateTargetRect() { 21065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mScreenWidth > 0 && mScreenHeight > 0 && mProgram != null) { 21165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn float screenAspectRatio = (float)mScreenWidth / mScreenHeight; 21265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn float relativeAspectRatio = screenAspectRatio / mAspectRatio; 21365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 21465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn switch (mRenderMode) { 21565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn case RENDERMODE_STRETCH: 21665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram.setTargetRect(0, 0, 1, 1); 21765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn break; 21865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn case RENDERMODE_FIT: 21965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (relativeAspectRatio > 1.0f) { 22065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Screen is wider than the camera, scale down X 22165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram.setTargetRect(0.5f - 0.5f / relativeAspectRatio, 0.0f, 22265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 1.0f / relativeAspectRatio, 1.0f); 22365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } else { 22465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Screen is taller than the camera, scale down Y 22565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram.setTargetRect(0.0f, 0.5f - 0.5f * relativeAspectRatio, 22665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 1.0f, relativeAspectRatio); 22765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 22865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn break; 22965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn case RENDERMODE_FILL_CROP: 23065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (relativeAspectRatio > 1) { 23165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Screen is wider than the camera, crop in Y 23265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram.setTargetRect(0.0f, 0.5f - 0.5f * relativeAspectRatio, 23365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 1.0f, relativeAspectRatio); 23465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } else { 23565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Screen is taller than the camera, crop in X 23665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram.setTargetRect(0.5f - 0.5f / relativeAspectRatio, 0.0f, 23765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 1.0f / relativeAspectRatio, 1.0f); 23865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 23965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn break; 24065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 24165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 24265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 24365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 24465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private void registerSurface() { 24565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mSurfaceId = mGlEnv.registerSurface(mSurface); 24665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mSurfaceId < 0) { 24765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn throw new RuntimeException("Could not register Surface: " + mSurface); 24865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 24965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 25065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 25165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private void unregisterSurface() { 25265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mSurfaceId > 0) { 25365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mGlEnv.unregisterSurfaceId(mSurfaceId); 25465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 25565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 25665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 25765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn} 258