android_view_HardwareLayer.cpp revision 113e0824d6bddf4376240681f9cf6a2deded9498
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 <android_runtime/AndroidRuntime.h> 24#include <android_runtime/android_graphics_SurfaceTexture.h> 25 26#include <gui/GLConsumer.h> 27 28#include <SkBitmap.h> 29#include <SkCanvas.h> 30#include <SkMatrix.h> 31#include <SkPaint.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 jlong android_view_HardwareLayer_createTextureLayer(JNIEnv* env, jobject clazz) { 47 Layer* layer = LayerRenderer::createTextureLayer(); 48 if (!layer) return 0; 49 50 return reinterpret_cast<jlong>( new DeferredLayerUpdater(layer) ); 51} 52 53static jlong android_view_HardwareLayer_createRenderLayer(JNIEnv* env, jobject clazz, 54 jint width, jint height) { 55 Layer* layer = LayerRenderer::createRenderLayer(width, height); 56 if (!layer) return 0; 57 58 OpenGLRenderer* renderer = new LayerRenderer(layer); 59 renderer->initProperties(); 60 return reinterpret_cast<jlong>( new DeferredLayerUpdater(layer, renderer) ); 61} 62 63static void android_view_HardwareLayer_onTextureDestroyed(JNIEnv* env, jobject clazz, 64 jlong layerUpdaterPtr) { 65 DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerUpdaterPtr); 66 layer->backingLayer()->clearTexture(); 67} 68 69static jlong android_view_HardwareLayer_detachBackingLayer(JNIEnv* env, jobject clazz, 70 jlong layerUpdaterPtr) { 71 DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerUpdaterPtr); 72 return reinterpret_cast<jlong>( layer->detachBackingLayer() ); 73} 74 75static void android_view_HardwareLayer_destroyLayerUpdater(JNIEnv* env, jobject clazz, 76 jlong layerUpdaterPtr) { 77 DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerUpdaterPtr); 78 delete layer; 79} 80 81static jboolean android_view_HardwareLayer_prepare(JNIEnv* env, jobject clazz, 82 jlong layerUpdaterPtr, jint width, jint height, jboolean isOpaque) { 83 DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerUpdaterPtr); 84 bool changed = false; 85 changed |= layer->setSize(width, height); 86 changed |= layer->setBlend(!isOpaque); 87 return changed; 88} 89 90static void android_view_HardwareLayer_setLayerPaint(JNIEnv* env, jobject clazz, 91 jlong layerUpdaterPtr, jlong paintPtr) { 92 DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerUpdaterPtr); 93 if (layer) { 94 SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr); 95 layer->setPaint(paint); 96 } 97} 98 99static void android_view_HardwareLayer_setTransform(JNIEnv* env, jobject clazz, 100 jlong layerUpdaterPtr, jlong matrixPtr) { 101 DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerUpdaterPtr); 102 SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixPtr); 103 layer->setTransform(matrix); 104} 105 106static void android_view_HardwareLayer_setSurfaceTexture(JNIEnv* env, jobject clazz, 107 jlong layerUpdaterPtr, jobject surface, jboolean isAlreadyAttached) { 108 DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerUpdaterPtr); 109 sp<GLConsumer> surfaceTexture(SurfaceTexture_getSurfaceTexture(env, surface)); 110 layer->setSurfaceTexture(surfaceTexture, !isAlreadyAttached); 111} 112 113static void android_view_HardwareLayer_updateSurfaceTexture(JNIEnv* env, jobject clazz, 114 jlong layerUpdaterPtr) { 115 DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerUpdaterPtr); 116 layer->updateTexImage(); 117} 118 119static void android_view_HardwareLayer_updateRenderLayer(JNIEnv* env, jobject clazz, 120 jlong layerUpdaterPtr, jlong displayListPtr, 121 jint left, jint top, jint right, jint bottom) { 122 DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerUpdaterPtr); 123 RenderNode* displayList = reinterpret_cast<RenderNode*>(displayListPtr); 124 layer->setDisplayList(displayList, left, top, right, bottom); 125} 126 127static jboolean android_view_HardwareLayer_flushChanges(JNIEnv* env, jobject clazz, 128 jlong layerUpdaterPtr) { 129 DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerUpdaterPtr); 130 return layer->apply(); 131} 132 133static jlong android_view_HardwareLayer_getLayer(JNIEnv* env, jobject clazz, 134 jlong layerUpdaterPtr) { 135 DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerUpdaterPtr); 136 return reinterpret_cast<jlong>( layer->backingLayer() ); 137} 138 139static jint android_view_HardwareLayer_getTexName(JNIEnv* env, jobject clazz, 140 jlong layerUpdaterPtr) { 141 DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerUpdaterPtr); 142 return layer->backingLayer()->getTexture(); 143} 144 145#endif // USE_OPENGL_RENDERER 146 147// ---------------------------------------------------------------------------- 148// JNI Glue 149// ---------------------------------------------------------------------------- 150 151const char* const kClassPathName = "android/view/HardwareLayer"; 152 153static JNINativeMethod gMethods[] = { 154#ifdef USE_OPENGL_RENDERER 155 156 { "nCreateTextureLayer", "()J", (void*) android_view_HardwareLayer_createTextureLayer }, 157 { "nCreateRenderLayer", "(II)J", (void*) android_view_HardwareLayer_createRenderLayer }, 158 { "nOnTextureDestroyed", "(J)V", (void*) android_view_HardwareLayer_onTextureDestroyed }, 159 { "nDetachBackingLayer", "(J)J", (void*) android_view_HardwareLayer_detachBackingLayer }, 160 { "nDestroyLayerUpdater", "(J)V", (void*) android_view_HardwareLayer_destroyLayerUpdater }, 161 162 { "nPrepare", "(JIIZ)Z", (void*) android_view_HardwareLayer_prepare }, 163 { "nSetLayerPaint", "(JJ)V", (void*) android_view_HardwareLayer_setLayerPaint }, 164 { "nSetTransform", "(JJ)V", (void*) android_view_HardwareLayer_setTransform }, 165 { "nSetSurfaceTexture", "(JLandroid/graphics/SurfaceTexture;Z)V", 166 (void*) android_view_HardwareLayer_setSurfaceTexture }, 167 { "nUpdateSurfaceTexture", "(J)V", (void*) android_view_HardwareLayer_updateSurfaceTexture }, 168 { "nUpdateRenderLayer", "(JJIIII)V", (void*) android_view_HardwareLayer_updateRenderLayer }, 169 170 { "nFlushChanges", "(J)Z", (void*) android_view_HardwareLayer_flushChanges }, 171 172 { "nGetLayer", "(J)J", (void*) android_view_HardwareLayer_getLayer }, 173 { "nGetTexName", "(J)I", (void*) android_view_HardwareLayer_getTexName }, 174#endif 175}; 176 177int register_android_view_HardwareLayer(JNIEnv* env) { 178 return AndroidRuntime::registerNativeMethods(env, kClassPathName, gMethods, NELEM(gMethods)); 179} 180 181}; 182