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 #include <hwui/Paint.h>
28
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
android_view_HardwareLayer_prepare(JNIEnv * env,jobject clazz,jlong layerUpdaterPtr,jint width,jint height,jboolean isOpaque)44 static jboolean android_view_HardwareLayer_prepare(JNIEnv* env, jobject clazz,
45 jlong layerUpdaterPtr, jint width, jint height, jboolean isOpaque) {
46 DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerUpdaterPtr);
47 bool changed = false;
48 changed |= layer->setSize(width, height);
49 changed |= layer->setBlend(!isOpaque);
50 return changed;
51 }
52
android_view_HardwareLayer_setLayerPaint(JNIEnv * env,jobject clazz,jlong layerUpdaterPtr,jlong paintPtr)53 static void android_view_HardwareLayer_setLayerPaint(JNIEnv* env, jobject clazz,
54 jlong layerUpdaterPtr, jlong paintPtr) {
55 DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerUpdaterPtr);
56 if (layer) {
57 Paint* paint = reinterpret_cast<Paint*>(paintPtr);
58 layer->setPaint(paint);
59 }
60 }
61
android_view_HardwareLayer_setTransform(JNIEnv * env,jobject clazz,jlong layerUpdaterPtr,jlong matrixPtr)62 static void android_view_HardwareLayer_setTransform(JNIEnv* env, jobject clazz,
63 jlong layerUpdaterPtr, jlong matrixPtr) {
64 DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerUpdaterPtr);
65 SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixPtr);
66 layer->setTransform(matrix);
67 }
68
android_view_HardwareLayer_setSurfaceTexture(JNIEnv * env,jobject clazz,jlong layerUpdaterPtr,jobject surface,jboolean isAlreadyAttached)69 static void android_view_HardwareLayer_setSurfaceTexture(JNIEnv* env, jobject clazz,
70 jlong layerUpdaterPtr, jobject surface, jboolean isAlreadyAttached) {
71 DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerUpdaterPtr);
72 sp<GLConsumer> surfaceTexture(SurfaceTexture_getSurfaceTexture(env, surface));
73 layer->setSurfaceTexture(surfaceTexture, !isAlreadyAttached);
74 }
75
android_view_HardwareLayer_updateSurfaceTexture(JNIEnv * env,jobject clazz,jlong layerUpdaterPtr)76 static void android_view_HardwareLayer_updateSurfaceTexture(JNIEnv* env, jobject clazz,
77 jlong layerUpdaterPtr) {
78 DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerUpdaterPtr);
79 layer->updateTexImage();
80 }
81
82 // ----------------------------------------------------------------------------
83 // JNI Glue
84 // ----------------------------------------------------------------------------
85
86 const char* const kClassPathName = "android/view/HardwareLayer";
87
88 static const JNINativeMethod gMethods[] = {
89 { "nPrepare", "(JIIZ)Z", (void*) android_view_HardwareLayer_prepare },
90 { "nSetLayerPaint", "(JJ)V", (void*) android_view_HardwareLayer_setLayerPaint },
91 { "nSetTransform", "(JJ)V", (void*) android_view_HardwareLayer_setTransform },
92 { "nSetSurfaceTexture", "(JLandroid/graphics/SurfaceTexture;Z)V",
93 (void*) android_view_HardwareLayer_setSurfaceTexture },
94 { "nUpdateSurfaceTexture", "(J)V", (void*) android_view_HardwareLayer_updateSurfaceTexture },
95 };
96
register_android_view_HardwareLayer(JNIEnv * env)97 int register_android_view_HardwareLayer(JNIEnv* env) {
98 return RegisterMethodsOrDie(env, kClassPathName, gMethods, NELEM(gMethods));
99 }
100
101 };
102