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 <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 40 namespace android { 41 42 using namespace uirenderer; 43 44 #ifdef USE_OPENGL_RENDERER 45 46 static 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 55 static 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 64 static 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 71 static 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 78 static void android_view_HardwareLayer_updateSurfaceTexture(JNIEnv* env, jobject clazz, 79 jlong layerUpdaterPtr) { 80 DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerUpdaterPtr); 81 layer->updateTexImage(); 82 } 83 84 static 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 96 const char* const kClassPathName = "android/view/HardwareLayer"; 97 98 static 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 }; 111 112 int register_android_view_HardwareLayer(JNIEnv* env) { 113 return AndroidRuntime::registerNativeMethods(env, kClassPathName, gMethods, NELEM(gMethods)); 114 } 115 116 }; 117