android_view_DisplayListCanvas.cpp revision 3aadd60521960be063ee06208562ccb63dc414e3 
1/*
2 * Copyright (C) 2010 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
25#include <cutils/properties.h>
26
27#include <SkBitmap.h>
28#include <SkRegion.h>
29
30#include <DisplayListCanvas.h>
31#include <Rect.h>
32#include <RenderNode.h>
33#include <CanvasProperty.h>
34#include <Paint.h>
35#include <renderthread/RenderProxy.h>
36
37#include "core_jni_helpers.h"
38
39namespace android {
40
41using namespace uirenderer;
42
43static struct {
44    jmethodID set;
45} gRectClassInfo;
46
47// ----------------------------------------------------------------------------
48// Setup
49// ----------------------------------------------------------------------------
50
51static void android_view_DisplayListCanvas_insertReorderBarrier(JNIEnv* env, jobject clazz,
52        jlong rendererPtr, jboolean reorderEnable) {
53    DisplayListCanvas* renderer = reinterpret_cast<DisplayListCanvas*>(rendererPtr);
54    renderer->insertReorderBarrier(reorderEnable);
55}
56
57// ----------------------------------------------------------------------------
58// Functor
59// ----------------------------------------------------------------------------
60
61static void android_view_DisplayListCanvas_callDrawGLFunction(JNIEnv* env, jobject clazz,
62        jlong rendererPtr, jlong functorPtr) {
63    DisplayListCanvas* renderer = reinterpret_cast<DisplayListCanvas*>(rendererPtr);
64    Functor* functor = reinterpret_cast<Functor*>(functorPtr);
65    renderer->callDrawGLFunction(functor);
66}
67
68// ----------------------------------------------------------------------------
69// Misc
70// ----------------------------------------------------------------------------
71
72static jint android_view_DisplayListCanvas_getMaxTextureWidth(JNIEnv* env, jobject clazz) {
73    return Caches::getInstance().maxTextureSize;
74}
75
76static jint android_view_DisplayListCanvas_getMaxTextureHeight(JNIEnv* env, jobject clazz) {
77    return Caches::getInstance().maxTextureSize;
78}
79
80// ----------------------------------------------------------------------------
81// Drawing
82// ----------------------------------------------------------------------------
83
84static void android_view_DisplayListCanvas_drawRoundRectProps(JNIEnv* env, jobject clazz,
85        jlong rendererPtr, jlong leftPropPtr, jlong topPropPtr, jlong rightPropPtr,
86        jlong bottomPropPtr, jlong rxPropPtr, jlong ryPropPtr, jlong paintPropPtr) {
87    DisplayListCanvas* renderer = reinterpret_cast<DisplayListCanvas*>(rendererPtr);
88    CanvasPropertyPrimitive* leftProp = reinterpret_cast<CanvasPropertyPrimitive*>(leftPropPtr);
89    CanvasPropertyPrimitive* topProp = reinterpret_cast<CanvasPropertyPrimitive*>(topPropPtr);
90    CanvasPropertyPrimitive* rightProp = reinterpret_cast<CanvasPropertyPrimitive*>(rightPropPtr);
91    CanvasPropertyPrimitive* bottomProp = reinterpret_cast<CanvasPropertyPrimitive*>(bottomPropPtr);
92    CanvasPropertyPrimitive* rxProp = reinterpret_cast<CanvasPropertyPrimitive*>(rxPropPtr);
93    CanvasPropertyPrimitive* ryProp = reinterpret_cast<CanvasPropertyPrimitive*>(ryPropPtr);
94    CanvasPropertyPaint* paintProp = reinterpret_cast<CanvasPropertyPaint*>(paintPropPtr);
95    renderer->drawRoundRect(leftProp, topProp, rightProp, bottomProp, rxProp, ryProp, paintProp);
96}
97
98static void android_view_DisplayListCanvas_drawCircleProps(JNIEnv* env, jobject clazz,
99        jlong rendererPtr, jlong xPropPtr, jlong yPropPtr, jlong radiusPropPtr, jlong paintPropPtr) {
100    DisplayListCanvas* renderer = reinterpret_cast<DisplayListCanvas*>(rendererPtr);
101    CanvasPropertyPrimitive* xProp = reinterpret_cast<CanvasPropertyPrimitive*>(xPropPtr);
102    CanvasPropertyPrimitive* yProp = reinterpret_cast<CanvasPropertyPrimitive*>(yPropPtr);
103    CanvasPropertyPrimitive* radiusProp = reinterpret_cast<CanvasPropertyPrimitive*>(radiusPropPtr);
104    CanvasPropertyPaint* paintProp = reinterpret_cast<CanvasPropertyPaint*>(paintPropPtr);
105    renderer->drawCircle(xProp, yProp, radiusProp, paintProp);
106}
107
108// ----------------------------------------------------------------------------
109// Display lists
110// ----------------------------------------------------------------------------
111
112static jlong android_view_DisplayListCanvas_finishRecording(JNIEnv* env,
113        jobject clazz, jlong rendererPtr) {
114    DisplayListCanvas* renderer = reinterpret_cast<DisplayListCanvas*>(rendererPtr);
115    return reinterpret_cast<jlong>(renderer->finishRecording());
116}
117
118static jlong android_view_DisplayListCanvas_createDisplayListCanvas(JNIEnv* env, jobject clazz,
119        jint width, jint height) {
120    return reinterpret_cast<jlong>(new DisplayListCanvas(width, height));
121}
122
123static void android_view_DisplayListCanvas_resetDisplayListCanvas(JNIEnv* env, jobject clazz,
124        jlong rendererPtr, jint width, jint height) {
125    DisplayListCanvas* renderer = reinterpret_cast<DisplayListCanvas*>(rendererPtr);
126    renderer->reset(width, height);
127}
128
129
130static void android_view_DisplayListCanvas_drawRenderNode(JNIEnv* env,
131        jobject clazz, jlong rendererPtr, jlong renderNodePtr) {
132    DisplayListCanvas* renderer = reinterpret_cast<DisplayListCanvas*>(rendererPtr);
133    RenderNode* renderNode = reinterpret_cast<RenderNode*>(renderNodePtr);
134    renderer->drawRenderNode(renderNode);
135}
136
137// ----------------------------------------------------------------------------
138// Layers
139// ----------------------------------------------------------------------------
140
141static void android_view_DisplayListCanvas_drawLayer(JNIEnv* env, jobject clazz,
142        jlong rendererPtr, jlong layerPtr) {
143    DisplayListCanvas* renderer = reinterpret_cast<DisplayListCanvas*>(rendererPtr);
144    DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerPtr);
145    renderer->drawLayer(layer);
146}
147
148// ----------------------------------------------------------------------------
149// Common
150// ----------------------------------------------------------------------------
151
152static jboolean android_view_DisplayListCanvas_isAvailable(JNIEnv* env, jobject clazz) {
153    char prop[PROPERTY_VALUE_MAX];
154    if (property_get("ro.kernel.qemu", prop, NULL) == 0) {
155        // not in the emulator
156        return JNI_TRUE;
157    }
158    // In the emulator this property will be set to 1 when hardware GLES is
159    // enabled, 0 otherwise. On old emulator versions it will be undefined.
160    property_get("ro.kernel.qemu.gles", prop, "0");
161    return atoi(prop) == 1 ? JNI_TRUE : JNI_FALSE;
162}
163
164// ----------------------------------------------------------------------------
165// Logging
166// ----------------------------------------------------------------------------
167
168static void
169android_app_ActivityThread_dumpGraphics(JNIEnv* env, jobject clazz, jobject javaFileDescriptor) {
170    int fd = jniGetFDFromFileDescriptor(env, javaFileDescriptor);
171    android::uirenderer::renderthread::RenderProxy::dumpGraphicsMemory(fd);
172}
173
174// ----------------------------------------------------------------------------
175// JNI Glue
176// ----------------------------------------------------------------------------
177
178const char* const kClassPathName = "android/view/DisplayListCanvas";
179
180static JNINativeMethod gMethods[] = {
181    { "nIsAvailable",       "()Z",             (void*) android_view_DisplayListCanvas_isAvailable },
182    { "nInsertReorderBarrier","(JZ)V",         (void*) android_view_DisplayListCanvas_insertReorderBarrier },
183
184    { "nCallDrawGLFunction", "(JJ)V",          (void*) android_view_DisplayListCanvas_callDrawGLFunction },
185
186    { "nDrawRoundRect",     "(JJJJJJJJ)V",     (void*) android_view_DisplayListCanvas_drawRoundRectProps },
187    { "nDrawCircle",        "(JJJJJ)V",        (void*) android_view_DisplayListCanvas_drawCircleProps },
188
189    { "nFinishRecording",   "(J)J",            (void*) android_view_DisplayListCanvas_finishRecording },
190    { "nDrawRenderNode",    "(JJ)V",           (void*) android_view_DisplayListCanvas_drawRenderNode },
191
192    { "nCreateDisplayListCanvas", "(II)J",     (void*) android_view_DisplayListCanvas_createDisplayListCanvas },
193    { "nResetDisplayListCanvas", "(JII)V",     (void*) android_view_DisplayListCanvas_resetDisplayListCanvas },
194
195    { "nDrawLayer",               "(JJ)V",     (void*) android_view_DisplayListCanvas_drawLayer },
196
197    { "nGetMaximumTextureWidth",  "()I",       (void*) android_view_DisplayListCanvas_getMaxTextureWidth },
198    { "nGetMaximumTextureHeight", "()I",       (void*) android_view_DisplayListCanvas_getMaxTextureHeight },
199};
200
201static JNINativeMethod gActivityThreadMethods[] = {
202    { "dumpGraphicsInfo",        "(Ljava/io/FileDescriptor;)V",
203                                               (void*) android_app_ActivityThread_dumpGraphics }
204};
205
206int register_android_view_DisplayListCanvas(JNIEnv* env) {
207    jclass clazz = FindClassOrDie(env, "android/graphics/Rect");
208    gRectClassInfo.set = GetMethodIDOrDie(env, clazz, "set", "(IIII)V");
209
210    return RegisterMethodsOrDie(env, kClassPathName, gMethods, NELEM(gMethods));
211}
212
213int register_android_app_ActivityThread(JNIEnv* env) {
214    return RegisterMethodsOrDie(env, "android/app/ActivityThread",
215            gActivityThreadMethods, NELEM(gActivityThreadMethods));
216}
217
218};
219