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
39namespace android {
40
41using namespace uirenderer;
42
43static 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
52static 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
61static 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
68static 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
75static 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
85const char* const kClassPathName = "android/view/HardwareLayer";
86
87static 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
96int register_android_view_HardwareLayer(JNIEnv* env) {
97    return RegisterMethodsOrDie(env, kClassPathName, gMethods, NELEM(gMethods));
98}
99
100};
101