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.MutableFrameFormat; 2965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.ShaderProgram; 3065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.format.ImageFormat; 3165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 3265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.view.Surface; 3365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 3465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.util.Log; 3565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 3665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn/** 3765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * @hide 3865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn */ 3965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennpublic class SurfaceTargetFilter extends Filter { 4065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 4165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private final int RENDERMODE_STRETCH = 0; 4265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private final int RENDERMODE_FIT = 1; 4365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private final int RENDERMODE_FILL_CROP = 2; 4465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 4565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn /** Required. Sets the destination surface for this node. This assumes that 4665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * higher-level code is ensuring that the surface is valid, and properly 4765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * updates Surface parameters if they change. 4865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn */ 4965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @GenerateFinalPort(name = "surface") 5065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private Surface mSurface; 5165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 5265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn /** Required. Width of the output surface */ 5365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @GenerateFieldPort(name = "owidth") 5465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private int mScreenWidth; 5565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 5665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn /** Required. Height of the output surface */ 5765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @GenerateFieldPort(name = "oheight") 5865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private int mScreenHeight; 5965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 6065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn /** Optional. Control how the incoming frames are rendered onto the 6165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * output. Default is FIT. 6265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * RENDERMODE_STRETCH: Just fill the output surfaceView. 6365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * RENDERMODE_FIT: Keep aspect ratio and fit without cropping. May 6465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * have black bars. 6565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * RENDERMODE_FILL_CROP: Keep aspect ratio and fit without black 6665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * bars. May crop. 6765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn */ 6865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @GenerateFieldPort(name = "renderMode", hasDefault = true) 6965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private String mRenderModeString; 7065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 7165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private ShaderProgram mProgram; 7265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private GLEnvironment mGlEnv; 7365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private GLFrame mScreen; 7465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private int mRenderMode = RENDERMODE_FIT; 7565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private float mAspectRatio = 1.f; 7665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 7765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private int mSurfaceId = -1; 7865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 7965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private boolean mLogVerbose; 8065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private static final String TAG = "SurfaceRenderFilter"; 8165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 8265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public SurfaceTargetFilter(String name) { 8365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn super(name); 8465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 8565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mLogVerbose = Log.isLoggable(TAG, Log.VERBOSE); 8665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 8765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 8865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 8965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void setupPorts() { 9065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Make sure we have a Surface 9165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mSurface == null) { 9265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn throw new RuntimeException("NULL Surface passed to SurfaceTargetFilter"); 9365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 9465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 9565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Add input port 9665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn addMaskedInputPort("frame", ImageFormat.create(ImageFormat.COLORSPACE_RGBA)); 9765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 9865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 9965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void updateRenderMode() { 10065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mRenderModeString != null) { 10165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mRenderModeString.equals("stretch")) { 10265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mRenderMode = RENDERMODE_STRETCH; 10365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } else if (mRenderModeString.equals("fit")) { 10465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mRenderMode = RENDERMODE_FIT; 10565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } else if (mRenderModeString.equals("fill_crop")) { 10665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mRenderMode = RENDERMODE_FILL_CROP; 10765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } else { 10865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn throw new RuntimeException("Unknown render mode '" + mRenderModeString + "'!"); 10965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 11065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 11165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn updateTargetRect(); 11265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 11365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 11465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 11565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void prepare(FilterContext context) { 11665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mGlEnv = context.getGLEnvironment(); 11765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 11865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Create identity shader to render, and make sure to render upside-down, as textures 11965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // are stored internally bottom-to-top. 12065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram = ShaderProgram.createIdentity(context); 12165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram.setSourceRect(0, 1, 1, -1); 12265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram.setClearsOutput(true); 12365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram.setClearColor(0.0f, 0.0f, 0.0f); 12465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 12565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn MutableFrameFormat screenFormat = ImageFormat.create(mScreenWidth, 12665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mScreenHeight, 12765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn ImageFormat.COLORSPACE_RGBA, 12865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn FrameFormat.TARGET_GPU); 12965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mScreen = (GLFrame)context.getFrameManager().newBoundFrame(screenFormat, 13065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn GLFrame.EXISTING_FBO_BINDING, 13165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 0); 13265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 13365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Set up cropping 13465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn updateRenderMode(); 13565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 13665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 13765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 13865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void open(FilterContext context) { 13965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn registerSurface(); 14065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 14165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 14265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 14365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void process(FilterContext context) { 14465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mLogVerbose) Log.v(TAG, "Starting frame processing"); 14565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 14665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Get input frame 14765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn Frame input = pullInput("frame"); 14865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn boolean createdFrame = false; 14965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 15065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn float currentAspectRatio = (float)input.getFormat().getWidth() / input.getFormat().getHeight(); 15165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (currentAspectRatio != mAspectRatio) { 15265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mLogVerbose) Log.v(TAG, "New aspect ratio: " + currentAspectRatio +", previously: " + mAspectRatio); 15365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mAspectRatio = currentAspectRatio; 15465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn updateTargetRect(); 15565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 15665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 15765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // See if we need to copy to GPU 15865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn Frame gpuFrame = null; 15965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mLogVerbose) Log.v("SurfaceRenderFilter", "Got input format: " + input.getFormat()); 16065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn int target = input.getFormat().getTarget(); 16165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (target != FrameFormat.TARGET_GPU) { 16265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn gpuFrame = context.getFrameManager().duplicateFrameToTarget(input, 16365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn FrameFormat.TARGET_GPU); 16465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn createdFrame = true; 16565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } else { 16665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn gpuFrame = input; 16765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 16865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 16965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Activate our surface 17065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mGlEnv.activateSurfaceWithId(mSurfaceId); 17165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 17265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Process 17365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram.process(gpuFrame, mScreen); 17465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 17565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // And swap buffers 17665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mGlEnv.swapBuffers(); 17765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 17865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (createdFrame) { 17965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn gpuFrame.release(); 18065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 18165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 18265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 18365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 18465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void fieldPortValueUpdated(String name, FilterContext context) { 18565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mScreen.setViewport(0, 0, mScreenWidth, mScreenHeight); 18665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn updateTargetRect(); 18765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 18865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 18965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 19065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void close(FilterContext context) { 19165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn unregisterSurface(); 19265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 19365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 19465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 19565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void tearDown(FilterContext context) { 19665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mScreen != null) { 19765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mScreen.release(); 19865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 19965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 20065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 20165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private void updateTargetRect() { 20265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mScreenWidth > 0 && mScreenHeight > 0 && mProgram != null) { 20365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn float screenAspectRatio = (float)mScreenWidth / mScreenHeight; 20465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn float relativeAspectRatio = screenAspectRatio / mAspectRatio; 20565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 20665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn switch (mRenderMode) { 20765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn case RENDERMODE_STRETCH: 20865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram.setTargetRect(0, 0, 1, 1); 20965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn break; 21065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn case RENDERMODE_FIT: 21165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (relativeAspectRatio > 1.0f) { 21265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Screen is wider than the camera, scale down X 21365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram.setTargetRect(0.5f - 0.5f / relativeAspectRatio, 0.0f, 21465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 1.0f / relativeAspectRatio, 1.0f); 21565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } else { 21665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Screen is taller than the camera, scale down Y 21765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram.setTargetRect(0.0f, 0.5f - 0.5f * relativeAspectRatio, 21865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 1.0f, relativeAspectRatio); 21965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 22065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn break; 22165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn case RENDERMODE_FILL_CROP: 22265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (relativeAspectRatio > 1) { 22365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Screen is wider than the camera, crop in Y 22465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram.setTargetRect(0.0f, 0.5f - 0.5f * relativeAspectRatio, 22565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 1.0f, relativeAspectRatio); 22665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } else { 22765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Screen is taller than the camera, crop in X 22865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram.setTargetRect(0.5f - 0.5f / relativeAspectRatio, 0.0f, 22965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 1.0f / relativeAspectRatio, 1.0f); 23065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 23165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn break; 23265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 23365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 23465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 23565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 23665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private void registerSurface() { 23765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mSurfaceId = mGlEnv.registerSurface(mSurface); 23865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mSurfaceId < 0) { 23965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn throw new RuntimeException("Could not register Surface: " + mSurface); 24065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 24165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 24265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 24365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private void unregisterSurface() { 24465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mSurfaceId > 0) { 24565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mGlEnv.unregisterSurfaceId(mSurfaceId); 24665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 24765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 24865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 24965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn} 250