GLES20TextureLayer.java revision c89b14bba0f6cc2c91629080617f7ed215f697f3
1aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy/* 2aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * Copyright (C) 2011 The Android Open Source Project 3aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * 4aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 5aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * you may not use this file except in compliance with the License. 6aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * You may obtain a copy of the License at 7aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * 8aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * http://www.apache.org/licenses/LICENSE-2.0 9aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * 10aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * Unless required by applicable law or agreed to in writing, software 11aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * distributed under the License is distributed on an "AS IS" BASIS, 12aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * See the License for the specific language governing permissions and 14aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * limitations under the License. 15aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy */ 16aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 17aa6c24c21c727a196451332448d4e3b11a80be69Romain Guypackage android.view; 18aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 19c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guyimport android.graphics.Canvas; 20302a9df1d50373c82923bb84ff665dfce584fb22Romain Guyimport android.graphics.Matrix; 212bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guyimport android.graphics.Rect; 22aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyimport android.graphics.SurfaceTexture; 23aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 24aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy/** 25aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * An OpenGL ES 2.0 implementation of {@link HardwareLayer}. This 26aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * implementation can be used as a texture. Rendering into this 27aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * layer is not controlled by a {@link HardwareCanvas}. 28aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy */ 29aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyclass GLES20TextureLayer extends GLES20Layer { 30aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy private int mTexture; 31aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy private SurfaceTexture mSurface; 32aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 33a9489274d67b540804aafb587a226f7c2ae4464dRomain Guy GLES20TextureLayer(boolean isOpaque) { 34aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy int[] layerInfo = new int[2]; 35a9489274d67b540804aafb587a226f7c2ae4464dRomain Guy mLayer = GLES20Canvas.nCreateTextureLayer(isOpaque, layerInfo); 36aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 37aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy if (mLayer != 0) { 38aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mTexture = layerInfo[0]; 39aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mFinalizer = new Finalizer(mLayer); 40aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } else { 41aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mFinalizer = null; 42aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 43aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 44aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 45aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy @Override 46aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy boolean isValid() { 47aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy return mLayer != 0 && mTexture != 0; 48aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 49aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 50aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy @Override 51aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy void resize(int width, int height) { 52aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 53aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 54aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy @Override 55aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy HardwareCanvas getCanvas() { 56aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy return null; 57aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 58aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 59aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy @Override 60c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy HardwareCanvas start(Canvas currentCanvas) { 61aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy return null; 62aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 63aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 64aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy @Override 65c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy void end(Canvas currentCanvas) { 66aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 67aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 68aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy SurfaceTexture getSurfaceTexture() { 69aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy if (mSurface == null) { 705c5050d9026f7e0ba52bec094f681e048cdd5d9aGrace Kloba mSurface = new SurfaceTexture(mTexture, false); 71aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 72aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy return mSurface; 73aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 74aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 752af3524beb75150d347accc925022daa53b4a789Jamie Gennis void setSurfaceTexture(SurfaceTexture surfaceTexture) { 762af3524beb75150d347accc925022daa53b4a789Jamie Gennis if (mSurface != null) { 772af3524beb75150d347accc925022daa53b4a789Jamie Gennis mSurface.release(); 782af3524beb75150d347accc925022daa53b4a789Jamie Gennis } 792af3524beb75150d347accc925022daa53b4a789Jamie Gennis mSurface = surfaceTexture; 802af3524beb75150d347accc925022daa53b4a789Jamie Gennis mSurface.attachToGLContext(mTexture); 812af3524beb75150d347accc925022daa53b4a789Jamie Gennis } 822af3524beb75150d347accc925022daa53b4a789Jamie Gennis 8302ccac69fd1c0a03c24c5f3ace0ad4bed337b1fdRomain Guy @Override 84a9489274d67b540804aafb587a226f7c2ae4464dRomain Guy void update(int width, int height, boolean isOpaque) { 8502ccac69fd1c0a03c24c5f3ace0ad4bed337b1fdRomain Guy super.update(width, height, isOpaque); 86a9489274d67b540804aafb587a226f7c2ae4464dRomain Guy GLES20Canvas.nUpdateTextureLayer(mLayer, width, height, isOpaque, mSurface); 87aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 88302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy 89302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy @Override 90846a533945576e5cb1a66529ca3a52d71749f04fRomain Guy void setOpaque(boolean isOpaque) { 91846a533945576e5cb1a66529ca3a52d71749f04fRomain Guy throw new UnsupportedOperationException("Use update(int, int, boolean) instead"); 92846a533945576e5cb1a66529ca3a52d71749f04fRomain Guy } 93846a533945576e5cb1a66529ca3a52d71749f04fRomain Guy 94846a533945576e5cb1a66529ca3a52d71749f04fRomain Guy @Override 95302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy void setTransform(Matrix matrix) { 96302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy GLES20Canvas.nSetTextureLayerTransform(mLayer, matrix.native_instance); 97302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy } 982bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 992bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy @Override 1002bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy void redraw(DisplayList displayList, Rect dirtyRect) { 1012bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy } 102aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 103