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