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
android_view_HardwareLayer_prepare(JNIEnv * env,jobject clazz,jlong layerUpdaterPtr,jint width,jint height,jboolean isOpaque)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
android_view_HardwareLayer_setLayerPaint(JNIEnv * env,jobject clazz,jlong layerUpdaterPtr,jlong paintPtr)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
android_view_HardwareLayer_setTransform(JNIEnv * env,jobject clazz,jlong layerUpdaterPtr,jlong matrixPtr)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
android_view_HardwareLayer_setSurfaceTexture(JNIEnv * env,jobject clazz,jlong layerUpdaterPtr,jobject surface,jboolean isAlreadyAttached)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
android_view_HardwareLayer_updateSurfaceTexture(JNIEnv * env,jobject clazz,jlong layerUpdaterPtr)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
android_view_HardwareLayer_getTexName(JNIEnv * env,jobject clazz,jlong layerUpdaterPtr)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
register_android_view_HardwareLayer(JNIEnv * env)112 int register_android_view_HardwareLayer(JNIEnv* env) {
113 return AndroidRuntime::registerNativeMethods(env, kClassPathName, gMethods, NELEM(gMethods));
114 }
115
116 };
117