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 <SkBlendMode.h>
33
34 #include <DeferredLayerUpdater.h>
35 #include <SkiaShader.h>
36 #include <Rect.h>
37 #include <RenderNode.h>
38
39 namespace android {
40
41 using namespace uirenderer;
42
android_view_HardwareLayer_prepare(JNIEnv * env,jobject clazz,jlong layerUpdaterPtr,jint width,jint height,jboolean isOpaque)43 static jboolean android_view_HardwareLayer_prepare(JNIEnv* env, jobject clazz,
44 jlong layerUpdaterPtr, jint width, jint height, jboolean isOpaque) {
45 DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerUpdaterPtr);
46 bool changed = false;
47 changed |= layer->setSize(width, height);
48 changed |= layer->setBlend(!isOpaque);
49 return changed;
50 }
51
android_view_HardwareLayer_setLayerPaint(JNIEnv * env,jobject clazz,jlong layerUpdaterPtr,jlong paintPtr)52 static void android_view_HardwareLayer_setLayerPaint(JNIEnv* env, jobject clazz,
53 jlong layerUpdaterPtr, jlong paintPtr) {
54 DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerUpdaterPtr);
55 if (layer) {
56 Paint* paint = reinterpret_cast<Paint*>(paintPtr);
57 layer->setPaint(paint);
58 }
59 }
60
android_view_HardwareLayer_setTransform(JNIEnv * env,jobject clazz,jlong layerUpdaterPtr,jlong matrixPtr)61 static void android_view_HardwareLayer_setTransform(JNIEnv* env, jobject clazz,
62 jlong layerUpdaterPtr, jlong matrixPtr) {
63 DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerUpdaterPtr);
64 SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixPtr);
65 layer->setTransform(matrix);
66 }
67
android_view_HardwareLayer_setSurfaceTexture(JNIEnv * env,jobject clazz,jlong layerUpdaterPtr,jobject surface)68 static void android_view_HardwareLayer_setSurfaceTexture(JNIEnv* env, jobject clazz,
69 jlong layerUpdaterPtr, jobject surface) {
70 DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerUpdaterPtr);
71 sp<GLConsumer> surfaceTexture(SurfaceTexture_getSurfaceTexture(env, surface));
72 layer->setSurfaceTexture(surfaceTexture);
73 }
74
android_view_HardwareLayer_updateSurfaceTexture(JNIEnv * env,jobject clazz,jlong layerUpdaterPtr)75 static void android_view_HardwareLayer_updateSurfaceTexture(JNIEnv* env, jobject clazz,
76 jlong layerUpdaterPtr) {
77 DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerUpdaterPtr);
78 layer->updateTexImage();
79 }
80
81 // ----------------------------------------------------------------------------
82 // JNI Glue
83 // ----------------------------------------------------------------------------
84
85 const char* const kClassPathName = "android/view/HardwareLayer";
86
87 static const JNINativeMethod gMethods[] = {
88 { "nPrepare", "(JIIZ)Z", (void*) android_view_HardwareLayer_prepare },
89 { "nSetLayerPaint", "(JJ)V", (void*) android_view_HardwareLayer_setLayerPaint },
90 { "nSetTransform", "(JJ)V", (void*) android_view_HardwareLayer_setTransform },
91 { "nSetSurfaceTexture", "(JLandroid/graphics/SurfaceTexture;)V",
92 (void*) android_view_HardwareLayer_setSurfaceTexture },
93 { "nUpdateSurfaceTexture", "(J)V", (void*) android_view_HardwareLayer_updateSurfaceTexture },
94 };
95
register_android_view_HardwareLayer(JNIEnv * env)96 int register_android_view_HardwareLayer(JNIEnv* env) {
97 return RegisterMethodsOrDie(env, kClassPathName, gMethods, NELEM(gMethods));
98 }
99
100 };
101