android_view_HardwareLayer.cpp revision 76f6a86de25e1bf74717e047e55fd44b089673f3
1/* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#define LOG_TAG "OpenGLRenderer" 18 19#include "jni.h" 20#include "GraphicsJNI.h" 21#include <nativehelper/JNIHelp.h> 22 23#include "core_jni_helpers.h" 24#include <android_runtime/android_graphics_SurfaceTexture.h> 25 26#include <gui/GLConsumer.h> 27 28#include <Paint.h> 29#include <SkBitmap.h> 30#include <SkCanvas.h> 31#include <SkMatrix.h> 32#include <SkXfermode.h> 33 34#include <DeferredLayerUpdater.h> 35#include <LayerRenderer.h> 36#include <SkiaShader.h> 37#include <Rect.h> 38#include <RenderNode.h> 39 40namespace android { 41 42using namespace uirenderer; 43 44#ifdef USE_OPENGL_RENDERER 45 46static jboolean android_view_HardwareLayer_prepare(JNIEnv* env, jobject clazz, 47 jlong layerUpdaterPtr, jint width, jint height, jboolean isOpaque) { 48 DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerUpdaterPtr); 49 bool changed = false; 50 changed |= layer->setSize(width, height); 51 changed |= layer->setBlend(!isOpaque); 52 return changed; 53} 54 55static void android_view_HardwareLayer_setLayerPaint(JNIEnv* env, jobject clazz, 56 jlong layerUpdaterPtr, jlong paintPtr) { 57 DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerUpdaterPtr); 58 if (layer) { 59 Paint* paint = reinterpret_cast<Paint*>(paintPtr); 60 layer->setPaint(paint); 61 } 62} 63 64static void android_view_HardwareLayer_setTransform(JNIEnv* env, jobject clazz, 65 jlong layerUpdaterPtr, jlong matrixPtr) { 66 DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerUpdaterPtr); 67 SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixPtr); 68 layer->setTransform(matrix); 69} 70 71static void android_view_HardwareLayer_setSurfaceTexture(JNIEnv* env, jobject clazz, 72 jlong layerUpdaterPtr, jobject surface, jboolean isAlreadyAttached) { 73 DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerUpdaterPtr); 74 sp<GLConsumer> surfaceTexture(SurfaceTexture_getSurfaceTexture(env, surface)); 75 layer->setSurfaceTexture(surfaceTexture, !isAlreadyAttached); 76} 77 78static void android_view_HardwareLayer_updateSurfaceTexture(JNIEnv* env, jobject clazz, 79 jlong layerUpdaterPtr) { 80 DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerUpdaterPtr); 81 layer->updateTexImage(); 82} 83 84static jint android_view_HardwareLayer_getTexName(JNIEnv* env, jobject clazz, 85 jlong layerUpdaterPtr) { 86 DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerUpdaterPtr); 87 return layer->backingLayer()->getTexture(); 88} 89 90#endif // USE_OPENGL_RENDERER 91 92// ---------------------------------------------------------------------------- 93// JNI Glue 94// ---------------------------------------------------------------------------- 95 96const char* const kClassPathName = "android/view/HardwareLayer"; 97 98static const JNINativeMethod gMethods[] = { 99#ifdef USE_OPENGL_RENDERER 100 101 { "nPrepare", "(JIIZ)Z", (void*) android_view_HardwareLayer_prepare }, 102 { "nSetLayerPaint", "(JJ)V", (void*) android_view_HardwareLayer_setLayerPaint }, 103 { "nSetTransform", "(JJ)V", (void*) android_view_HardwareLayer_setTransform }, 104 { "nSetSurfaceTexture", "(JLandroid/graphics/SurfaceTexture;Z)V", 105 (void*) android_view_HardwareLayer_setSurfaceTexture }, 106 { "nUpdateSurfaceTexture", "(J)V", (void*) android_view_HardwareLayer_updateSurfaceTexture }, 107 108 { "nGetTexName", "(J)I", (void*) android_view_HardwareLayer_getTexName }, 109#endif 110}; 111 112int register_android_view_HardwareLayer(JNIEnv* env) { 113 return RegisterMethodsOrDie(env, kClassPathName, gMethods, NELEM(gMethods)); 114} 115 116}; 117