android_view_GLES20Canvas.cpp revision 2ce932832e7caa1a6021539a9b7828ee5f49a610 
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 <androidfw/ResourceTypes.h>
26
27#include <private/hwui/DrawGlInfo.h>
28
29#include <cutils/properties.h>
30
31#include <SkBitmap.h>
32#include <SkCanvas.h>
33#include <SkMatrix.h>
34#include <SkPaint.h>
35#include <SkPorterDuff.h>
36#include <SkRegion.h>
37#include <SkScalerContext.h>
38#include <SkTemplates.h>
39#include <SkXfermode.h>
40
41#include <DisplayListRenderer.h>
42#include <Rect.h>
43#include <RenderNode.h>
44#include <CanvasProperty.h>
45
46#ifdef USE_MINIKIN
47#include <minikin/Layout.h>
48#include "MinikinSkia.h"
49#include "MinikinUtils.h"
50#endif
51
52#include <TextLayout.h>
53#include <TextLayoutCache.h>
54
55namespace android {
56
57using namespace uirenderer;
58
59/**
60 * Note: DisplayListRenderer JNI layer is generated and compiled only on supported
61 *       devices. This means all the logic must be compiled only when the
62 *       preprocessor variable USE_OPENGL_RENDERER is defined.
63 */
64#ifdef USE_OPENGL_RENDERER
65
66// ----------------------------------------------------------------------------
67// Defines
68// ----------------------------------------------------------------------------
69
70// Debug
71#define DEBUG_RENDERER 0
72
73// Debug
74#if DEBUG_RENDERER
75    #define RENDERER_LOGD(...) ALOGD(__VA_ARGS__)
76#else
77    #define RENDERER_LOGD(...)
78#endif
79
80// ----------------------------------------------------------------------------
81
82static struct {
83    jmethodID set;
84} gRectClassInfo;
85
86// ----------------------------------------------------------------------------
87// Constructors
88// ----------------------------------------------------------------------------
89
90static void android_view_GLES20Canvas_destroyRenderer(JNIEnv* env, jobject clazz,
91        jlong rendererPtr) {
92    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
93    RENDERER_LOGD("Destroy DisplayListRenderer");
94    delete renderer;
95}
96
97// ----------------------------------------------------------------------------
98// Setup
99// ----------------------------------------------------------------------------
100
101static void android_view_GLES20Canvas_setViewport(JNIEnv* env, jobject clazz,
102        jlong rendererPtr, jint width, jint height) {
103    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
104    renderer->setViewport(width, height);
105}
106
107static int android_view_GLES20Canvas_prepare(JNIEnv* env, jobject clazz,
108        jlong rendererPtr, jboolean opaque) {
109    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
110    return renderer->prepare(opaque);
111}
112
113static int android_view_GLES20Canvas_prepareDirty(JNIEnv* env, jobject clazz,
114        jlong rendererPtr, jint left, jint top, jint right, jint bottom,
115        jboolean opaque) {
116    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
117    return renderer->prepareDirty(left, top, right, bottom, opaque);
118}
119
120static void android_view_GLES20Canvas_finish(JNIEnv* env, jobject clazz,
121        jlong rendererPtr) {
122    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
123    renderer->finish();
124}
125
126static void android_view_GLES20Canvas_setProperty(JNIEnv* env,
127        jobject clazz, jstring name, jstring value) {
128    if (!Caches::hasInstance()) {
129        ALOGW("can't set property, no Caches instance");
130        return;
131    }
132
133    if (name == NULL || value == NULL) {
134        ALOGW("can't set prop, null passed");
135    }
136
137    const char* nameCharArray = env->GetStringUTFChars(name, NULL);
138    const char* valueCharArray = env->GetStringUTFChars(value, NULL);
139    Caches::getInstance().setTempProperty(nameCharArray, valueCharArray);
140    env->ReleaseStringUTFChars(name, nameCharArray);
141    env->ReleaseStringUTFChars(name, valueCharArray);
142}
143
144// ----------------------------------------------------------------------------
145// Functor
146// ----------------------------------------------------------------------------
147
148static jint android_view_GLES20Canvas_callDrawGLFunction(JNIEnv* env, jobject clazz,
149        jlong rendererPtr, jlong functorPtr) {
150    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
151    Functor* functor = reinterpret_cast<Functor*>(functorPtr);
152    android::uirenderer::Rect dirty;
153    return renderer->callDrawGLFunction(functor, dirty);
154}
155
156// ----------------------------------------------------------------------------
157// Misc
158// ----------------------------------------------------------------------------
159
160static jint android_view_GLES20Canvas_getMaxTextureWidth(JNIEnv* env, jobject clazz) {
161    return Caches::getInstance().maxTextureSize;
162}
163
164static jint android_view_GLES20Canvas_getMaxTextureHeight(JNIEnv* env, jobject clazz) {
165    return Caches::getInstance().maxTextureSize;
166}
167
168// ----------------------------------------------------------------------------
169// State
170// ----------------------------------------------------------------------------
171
172static jint android_view_GLES20Canvas_save(JNIEnv* env, jobject clazz, jlong rendererPtr,
173        jint flags) {
174    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
175    return renderer->save(flags);
176}
177
178static jint android_view_GLES20Canvas_getSaveCount(JNIEnv* env, jobject clazz,
179        jlong rendererPtr) {
180    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
181    return renderer->getSaveCount();
182}
183
184static void android_view_GLES20Canvas_restore(JNIEnv* env, jobject clazz,
185        jlong rendererPtr) {
186    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
187    renderer->restore();
188}
189
190static void android_view_GLES20Canvas_restoreToCount(JNIEnv* env, jobject clazz,
191        jlong rendererPtr, jint saveCount) {
192    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
193    renderer->restoreToCount(saveCount);
194}
195
196// ----------------------------------------------------------------------------
197// Layers
198// ----------------------------------------------------------------------------
199
200static jint android_view_GLES20Canvas_saveLayer(JNIEnv* env, jobject clazz,
201        jlong rendererPtr, jfloat left, jfloat top, jfloat right, jfloat bottom,
202        jlong paintPtr, jint saveFlags) {
203    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
204    SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr);
205    return renderer->saveLayer(left, top, right, bottom, paint, saveFlags);
206}
207
208static jint android_view_GLES20Canvas_saveLayerClip(JNIEnv* env, jobject clazz,
209        jlong rendererPtr, jlong paintPtr, jint saveFlags) {
210    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
211    SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr);
212    const android::uirenderer::Rect& bounds(renderer->getLocalClipBounds());
213    return renderer->saveLayer(bounds.left, bounds.top, bounds.right, bounds.bottom,
214            paint, saveFlags);
215}
216
217static jint android_view_GLES20Canvas_saveLayerAlpha(JNIEnv* env, jobject clazz,
218        jlong rendererPtr, jfloat left, jfloat top, jfloat right, jfloat bottom,
219        jint alpha, jint saveFlags) {
220    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
221    return renderer->saveLayerAlpha(left, top, right, bottom, alpha, saveFlags);
222}
223
224static jint android_view_GLES20Canvas_saveLayerAlphaClip(JNIEnv* env, jobject clazz,
225        jlong rendererPtr, jint alpha, jint saveFlags) {
226    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
227    const android::uirenderer::Rect& bounds(renderer->getLocalClipBounds());
228    return renderer->saveLayerAlpha(bounds.left, bounds.top, bounds.right, bounds.bottom,
229            alpha, saveFlags);
230}
231
232// ----------------------------------------------------------------------------
233// Clipping
234// ----------------------------------------------------------------------------
235
236static jboolean android_view_GLES20Canvas_quickReject(JNIEnv* env, jobject clazz,
237        jlong rendererPtr, jfloat left, jfloat top, jfloat right, jfloat bottom) {
238    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
239    const bool result = renderer->quickRejectConservative(left, top, right, bottom);
240    return result ? JNI_TRUE : JNI_FALSE;
241}
242
243static jboolean android_view_GLES20Canvas_clipRectF(JNIEnv* env, jobject clazz,
244        jlong rendererPtr, jfloat left, jfloat top, jfloat right, jfloat bottom,
245        jint op) {
246    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
247    const bool result = renderer->clipRect(left, top, right, bottom,
248                                           static_cast<SkRegion::Op>(op));
249    return result ? JNI_TRUE : JNI_FALSE;
250}
251
252static jboolean android_view_GLES20Canvas_clipRect(JNIEnv* env, jobject clazz,
253        jlong rendererPtr, jint left, jint top, jint right, jint bottom,
254        jint op) {
255    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
256    const bool result = renderer->clipRect(float(left), float(top), float(right),
257                                           float(bottom),
258                                           static_cast<SkRegion::Op>(op));
259    return result ? JNI_TRUE : JNI_FALSE;
260}
261
262static jboolean android_view_GLES20Canvas_clipPath(JNIEnv* env, jobject clazz,
263        jlong rendererPtr, jlong pathPtr, jint op) {
264    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
265    SkPath* path = reinterpret_cast<SkPath*>(pathPtr);
266    const bool result = renderer->clipPath(path, static_cast<SkRegion::Op>(op));
267    return result ? JNI_TRUE : JNI_FALSE;
268}
269
270static jboolean android_view_GLES20Canvas_clipRegion(JNIEnv* env, jobject clazz,
271        jlong rendererPtr, jlong regionPtr, jint op) {
272    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
273    SkRegion* region = reinterpret_cast<SkRegion*>(regionPtr);
274    const bool result = renderer->clipRegion(region, static_cast<SkRegion::Op>(op));
275    return result ? JNI_TRUE : JNI_FALSE;
276}
277
278static jboolean android_view_GLES20Canvas_getClipBounds(JNIEnv* env, jobject clazz,
279        jlong rendererPtr, jobject rect) {
280    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
281    const android::uirenderer::Rect& bounds(renderer->getLocalClipBounds());
282
283    env->CallVoidMethod(rect, gRectClassInfo.set,
284            int(bounds.left), int(bounds.top), int(bounds.right), int(bounds.bottom));
285
286    return !bounds.isEmpty() ? JNI_TRUE : JNI_FALSE;
287}
288
289// ----------------------------------------------------------------------------
290// Transforms
291// ----------------------------------------------------------------------------
292
293static void android_view_GLES20Canvas_translate(JNIEnv* env, jobject clazz,
294        jlong rendererPtr, jfloat dx, jfloat dy) {
295    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
296    renderer->translate(dx, dy);
297}
298
299static void android_view_GLES20Canvas_rotate(JNIEnv* env, jobject clazz,
300        jlong rendererPtr, jfloat degrees) {
301    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
302    renderer->rotate(degrees);
303}
304
305static void android_view_GLES20Canvas_scale(JNIEnv* env, jobject clazz,
306        jlong rendererPtr, jfloat sx, jfloat sy) {
307    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
308    renderer->scale(sx, sy);
309}
310
311static void android_view_GLES20Canvas_skew(JNIEnv* env, jobject clazz,
312        jlong rendererPtr, jfloat sx, jfloat sy) {
313    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
314    renderer->skew(sx, sy);
315}
316
317static void android_view_GLES20Canvas_setMatrix(JNIEnv* env, jobject clazz,
318        jlong rendererPtr, jlong matrixPtr) {
319    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
320    SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixPtr);
321    renderer->setMatrix(matrix ? *matrix : SkMatrix::I());
322}
323
324static void android_view_GLES20Canvas_getMatrix(JNIEnv* env, jobject clazz,
325        jlong rendererPtr, jlong matrixPtr) {
326    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
327    SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixPtr);
328    renderer->getMatrix(matrix);
329}
330
331static void android_view_GLES20Canvas_concatMatrix(JNIEnv* env, jobject clazz,
332        jlong rendererPtr, jlong matrixPtr) {
333    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
334    SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixPtr);
335    renderer->concatMatrix(*matrix);
336}
337
338// ----------------------------------------------------------------------------
339// Drawing
340// ----------------------------------------------------------------------------
341
342static void android_view_GLES20Canvas_drawBitmap(JNIEnv* env, jobject clazz,
343        jlong rendererPtr, jlong bitmapPtr, jbyteArray buffer,
344        jfloat left, jfloat top, jlong paintPtr) {
345    SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapPtr);
346    // This object allows the renderer to allocate a global JNI ref to the buffer object.
347    JavaHeapBitmapRef bitmapRef(env, bitmap, buffer);
348
349    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
350    SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr);
351    renderer->drawBitmap(bitmap, left, top, paint);
352}
353
354static void android_view_GLES20Canvas_drawBitmapRect(JNIEnv* env, jobject clazz,
355        jlong rendererPtr, jlong bitmapPtr, jbyteArray buffer,
356        float srcLeft, float srcTop, float srcRight, float srcBottom,
357        float dstLeft, float dstTop, float dstRight, float dstBottom, jlong paintPtr) {
358    SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapPtr);
359    // This object allows the renderer to allocate a global JNI ref to the buffer object.
360    JavaHeapBitmapRef bitmapRef(env, bitmap, buffer);
361
362    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
363    SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr);
364    renderer->drawBitmap(bitmap, srcLeft, srcTop, srcRight, srcBottom,
365            dstLeft, dstTop, dstRight, dstBottom, paint);
366}
367
368static void android_view_GLES20Canvas_drawBitmapMatrix(JNIEnv* env, jobject clazz,
369        jlong rendererPtr, jlong bitmapPtr, jbyteArray buffer,
370        jlong matrixPtr, jlong paintPtr) {
371    SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapPtr);
372    // This object allows the renderer to allocate a global JNI ref to the buffer object.
373    JavaHeapBitmapRef bitmapRef(env, bitmap, buffer);
374
375    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
376    SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixPtr);
377    SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr);
378    renderer->drawBitmap(bitmap, *matrix, paint);
379}
380
381static void android_view_GLES20Canvas_drawBitmapData(JNIEnv* env, jobject clazz,
382        jlong rendererPtr, jintArray colors, jint offset, jint stride,
383        jfloat left, jfloat top, jint width, jint height, jboolean hasAlpha, jlong paintPtr) {
384    const SkImageInfo info = SkImageInfo::Make(width, height,
385                               hasAlpha ? kN32_SkColorType : kRGB_565_SkColorType,
386                               kPremul_SkAlphaType);
387    SkBitmap* bitmap = new SkBitmap;
388    if (!bitmap->allocPixels(info)) {
389        delete bitmap;
390        return;
391    }
392
393    if (!GraphicsJNI::SetPixels(env, colors, offset, stride, 0, 0, width, height, *bitmap, true)) {
394        delete bitmap;
395        return;
396    }
397
398    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
399    SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr);
400    renderer->drawBitmapData(bitmap, left, top, paint);
401
402    // If the renderer is a deferred renderer it will own the bitmap
403    if (!renderer->isRecording()) {
404        delete bitmap;
405    }
406}
407
408static void android_view_GLES20Canvas_drawBitmapMesh(JNIEnv* env, jobject clazz,
409        jlong rendererPtr, jlong bitmapPtr, jbyteArray buffer,
410        jint meshWidth, jint meshHeight, jfloatArray vertices, jint offset, jintArray colors,
411        jint colorOffset, jlong paintPtr) {
412    SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapPtr);
413    // This object allows the renderer to allocate a global JNI ref to the buffer object.
414    JavaHeapBitmapRef bitmapRef(env, bitmap, buffer);
415
416    jfloat* verticesArray = vertices ? env->GetFloatArrayElements(vertices, NULL) + offset : NULL;
417    jint* colorsArray = colors ? env->GetIntArrayElements(colors, NULL) + colorOffset : NULL;
418
419    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
420    SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr);
421    renderer->drawBitmapMesh(bitmap, meshWidth, meshHeight, verticesArray, colorsArray, paint);
422
423    if (vertices) env->ReleaseFloatArrayElements(vertices, verticesArray, 0);
424    if (colors) env->ReleaseIntArrayElements(colors, colorsArray, 0);
425}
426
427static void android_view_GLES20Canvas_drawPatch(JNIEnv* env, jobject clazz,
428        jlong rendererPtr, jlong bitmapPtr, jbyteArray buffer, jlong patchPtr,
429        float left, float top, float right, float bottom, jlong paintPtr) {
430    SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapPtr);
431    // This object allows the renderer to allocate a global JNI ref to the buffer object.
432    JavaHeapBitmapRef bitmapRef(env, bitmap, buffer);
433
434    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
435    Res_png_9patch* patch = reinterpret_cast<Res_png_9patch*>(patchPtr);
436    SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr);
437    renderer->drawPatch(bitmap, patch, left, top, right, bottom, paint);
438}
439
440static void android_view_GLES20Canvas_drawColor(JNIEnv* env, jobject clazz,
441        jlong rendererPtr, jint color, jint modeHandle) {
442    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
443    SkPorterDuff::Mode mode = static_cast<SkPorterDuff::Mode>(modeHandle);
444    renderer->drawColor(color, SkPorterDuff::ToXfermodeMode(mode));
445}
446
447static void android_view_GLES20Canvas_drawRect(JNIEnv* env, jobject clazz,
448        jlong rendererPtr, jfloat left, jfloat top, jfloat right, jfloat bottom,
449        jlong paintPtr) {
450    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
451    SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr);
452    renderer->drawRect(left, top, right, bottom, paint);
453}
454
455static void android_view_GLES20Canvas_drawRoundRect(JNIEnv* env, jobject clazz,
456        jlong rendererPtr, jfloat left, jfloat top, jfloat right, jfloat bottom,
457        jfloat rx, jfloat ry, jlong paintPtr) {
458    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
459    SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr);
460    renderer->drawRoundRect(left, top, right, bottom, rx, ry, paint);
461}
462
463static void android_view_GLES20Canvas_drawCircle(JNIEnv* env, jobject clazz,
464        jlong rendererPtr, jfloat x, jfloat y, jfloat radius, jlong paintPtr) {
465    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
466    SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr);
467    renderer->drawCircle(x, y, radius, paint);
468}
469
470static void android_view_GLES20Canvas_drawCircleProps(JNIEnv* env, jobject clazz,
471        jlong rendererPtr, jlong xPropPtr, jlong yPropPtr, jlong radiusPropPtr, jlong paintPropPtr) {
472    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
473    CanvasPropertyPrimitive* xProp = reinterpret_cast<CanvasPropertyPrimitive*>(xPropPtr);
474    CanvasPropertyPrimitive* yProp = reinterpret_cast<CanvasPropertyPrimitive*>(yPropPtr);
475    CanvasPropertyPrimitive* radiusProp = reinterpret_cast<CanvasPropertyPrimitive*>(radiusPropPtr);
476    CanvasPropertyPaint* paintProp = reinterpret_cast<CanvasPropertyPaint*>(paintPropPtr);
477    renderer->drawCircle(xProp, yProp, radiusProp, paintProp);
478}
479
480static void android_view_GLES20Canvas_drawOval(JNIEnv* env, jobject clazz,
481        jlong rendererPtr, jfloat left, jfloat top, jfloat right, jfloat bottom,
482        jlong paintPtr) {
483    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
484    SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr);
485    renderer->drawOval(left, top, right, bottom, paint);
486}
487
488static void android_view_GLES20Canvas_drawArc(JNIEnv* env, jobject clazz,
489        jlong rendererPtr, jfloat left, jfloat top, jfloat right, jfloat bottom,
490        jfloat startAngle, jfloat sweepAngle, jboolean useCenter, jlong paintPtr) {
491    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
492    SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr);
493    renderer->drawArc(left, top, right, bottom, startAngle, sweepAngle, useCenter, paint);
494}
495
496static void android_view_GLES20Canvas_drawRegionAsRects(JNIEnv* env, jobject clazz,
497        jlong rendererPtr, jlong regionPtr, jlong paintPtr) {
498    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
499    SkRegion* region = reinterpret_cast<SkRegion*>(regionPtr);
500    SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr);
501    if (paint->getStyle() != SkPaint::kFill_Style ||
502            (paint->isAntiAlias() && !renderer->isCurrentTransformSimple())) {
503        SkRegion::Iterator it(*region);
504        while (!it.done()) {
505            const SkIRect& r = it.rect();
506            renderer->drawRect(r.fLeft, r.fTop, r.fRight, r.fBottom, paint);
507            it.next();
508        }
509    } else {
510        int count = 0;
511        Vector<float> rects;
512        SkRegion::Iterator it(*region);
513        while (!it.done()) {
514            const SkIRect& r = it.rect();
515            rects.push(r.fLeft);
516            rects.push(r.fTop);
517            rects.push(r.fRight);
518            rects.push(r.fBottom);
519            count += 4;
520            it.next();
521        }
522        renderer->drawRects(rects.array(), count, paint);
523    }
524}
525
526static void android_view_GLES20Canvas_drawPoints(JNIEnv* env, jobject clazz,
527        jlong rendererPtr, jfloatArray points, jint offset, jint count, jlong paintPtr) {
528    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
529    jfloat* storage = env->GetFloatArrayElements(points, NULL);
530    SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr);
531    renderer->drawPoints(storage + offset, count, paint);
532    env->ReleaseFloatArrayElements(points, storage, 0);
533}
534
535static void android_view_GLES20Canvas_drawPath(JNIEnv* env, jobject clazz,
536        jlong rendererPtr, jlong pathPtr, jlong paintPtr) {
537    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
538    SkPath* path = reinterpret_cast<SkPath*>(pathPtr);
539    SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr);
540    renderer->drawPath(path, paint);
541}
542
543static void android_view_GLES20Canvas_drawLines(JNIEnv* env, jobject clazz,
544        jlong rendererPtr, jfloatArray points, jint offset, jint count, jlong paintPtr) {
545    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
546    jfloat* storage = env->GetFloatArrayElements(points, NULL);
547    SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr);
548    renderer->drawLines(storage + offset, count, paint);
549    env->ReleaseFloatArrayElements(points, storage, 0);
550}
551
552// ----------------------------------------------------------------------------
553// Draw filters
554// ----------------------------------------------------------------------------
555
556static void android_view_GLES20Canvas_setupPaintFilter(JNIEnv* env, jobject clazz,
557        jlong rendererPtr, jint clearBits, jint setBits) {
558    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
559    renderer->setupPaintFilter(clearBits, setBits);
560}
561
562static void android_view_GLES20Canvas_resetPaintFilter(JNIEnv* env, jobject clazz,
563        jlong rendererPtr) {
564    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
565    renderer->resetPaintFilter();
566}
567
568// ----------------------------------------------------------------------------
569// Text
570// ----------------------------------------------------------------------------
571
572// TODO: this is moving to MinikinUtils, remove with USE_MINIKIN ifdef
573static float xOffsetForTextAlign(SkPaint* paint, float totalAdvance) {
574    switch (paint->getTextAlign()) {
575        case SkPaint::kCenter_Align:
576            return -totalAdvance / 2.0f;
577            break;
578        case SkPaint::kRight_Align:
579            return -totalAdvance;
580            break;
581        default:
582            break;
583    }
584    return 0;
585}
586
587#ifdef USE_MINIKIN
588
589class RenderTextFunctor {
590public:
591    RenderTextFunctor(const Layout& layout, DisplayListRenderer* renderer, jfloat x, jfloat y,
592                SkPaint* paint, uint16_t* glyphs, float* pos, float totalAdvance,
593                uirenderer::Rect& bounds)
594            : layout(layout), renderer(renderer), x(x), y(y), paint(paint), glyphs(glyphs),
595            pos(pos), totalAdvance(totalAdvance), bounds(bounds) { }
596    void operator()(size_t start, size_t end) {
597        for (size_t i = start; i < end; i++) {
598            glyphs[i] = layout.getGlyphId(i);
599            pos[2 * i] = layout.getX(i);
600            pos[2 * i + 1] = layout.getY(i);
601        }
602        size_t glyphsCount = end - start;
603        int bytesCount = glyphsCount * sizeof(jchar);
604        renderer->drawText((const char*) (glyphs + start), bytesCount, glyphsCount,
605            x, y, pos + 2 * start, paint, totalAdvance, bounds);
606    }
607private:
608    const Layout& layout;
609    DisplayListRenderer* renderer;
610    jfloat x;
611    jfloat y;
612    SkPaint* paint;
613    uint16_t* glyphs;
614    float* pos;
615    float totalAdvance;
616    uirenderer::Rect& bounds;
617};
618
619static void renderTextLayout(DisplayListRenderer* renderer, Layout* layout,
620    jfloat x, jfloat y, SkPaint* paint) {
621    size_t nGlyphs = layout->nGlyphs();
622    float* pos = new float[nGlyphs * 2];
623    uint16_t* glyphs = new uint16_t[nGlyphs];
624    MinikinRect b;
625    layout->getBounds(&b);
626    android::uirenderer::Rect bounds(b.mLeft, b.mTop, b.mRight, b.mBottom);
627    bounds.translate(x, y);
628    float totalAdvance = layout->getAdvance();
629
630    RenderTextFunctor f(*layout, renderer, x, y, paint, glyphs, pos, totalAdvance, bounds);
631    MinikinUtils::forFontRun(*layout, paint, f);
632    delete[] glyphs;
633    delete[] pos;
634}
635#endif
636
637static void renderText(DisplayListRenderer* renderer, const jchar* text, int count,
638        jfloat x, jfloat y, int bidiFlags, SkPaint* paint, TypefaceImpl* typeface) {
639#ifdef USE_MINIKIN
640    Layout layout;
641    std::string css = MinikinUtils::setLayoutProperties(&layout, paint, bidiFlags, typeface);
642    layout.doLayout(text, 0, count, count, css);
643    x += xOffsetForTextAlign(paint, layout.getAdvance());
644    renderTextLayout(renderer, &layout, x, y, paint);
645#else
646    sp<TextLayoutValue> value = TextLayoutEngine::getInstance().getValue(paint,
647            text, 0, count, count, bidiFlags);
648    if (value == NULL) {
649        return;
650    }
651    const jchar* glyphs = value->getGlyphs();
652    size_t glyphsCount = value->getGlyphsCount();
653    jfloat totalAdvance = value->getTotalAdvance();
654    x += xOffsetForTextAlign(paint, totalAdvance);
655    const float* positions = value->getPos();
656    int bytesCount = glyphsCount * sizeof(jchar);
657    const SkRect& r = value->getBounds();
658    android::uirenderer::Rect bounds(r.fLeft, r.fTop, r.fRight, r.fBottom);
659    bounds.translate(x, y);
660
661    renderer->drawText((const char*) glyphs, bytesCount, glyphsCount,
662            x, y, positions, paint, totalAdvance, bounds);
663#endif
664}
665
666#ifdef USE_MINIKIN
667class RenderTextOnPathFunctor {
668public:
669    RenderTextOnPathFunctor(const Layout& layout, DisplayListRenderer* renderer, float hOffset,
670                float vOffset, SkPaint* paint, SkPath* path)
671            : layout(layout), renderer(renderer), hOffset(hOffset), vOffset(vOffset),
672                paint(paint), path(path) {
673    }
674    void operator()(size_t start, size_t end) {
675        uint16_t glyphs[1];
676        for (size_t i = start; i < end; i++) {
677            glyphs[0] = layout.getGlyphId(i);
678            float x = hOffset + layout.getX(i);
679            float y = vOffset + layout.getY(i);
680            renderer->drawTextOnPath((const char*) glyphs, sizeof(glyphs), 1, path, x, y, paint);
681        }
682    }
683private:
684    const Layout& layout;
685    DisplayListRenderer* renderer;
686    float hOffset;
687    float vOffset;
688    SkPaint* paint;
689    SkPath* path;
690};
691#endif
692
693static void renderTextOnPath(DisplayListRenderer* renderer, const jchar* text, int count,
694        SkPath* path, jfloat hOffset, jfloat vOffset, int bidiFlags, SkPaint* paint,
695        TypefaceImpl* typeface) {
696#ifdef USE_MINIKIN
697    Layout layout;
698    std::string css = MinikinUtils::setLayoutProperties(&layout, paint, bidiFlags, typeface);
699    layout.doLayout(text, 0, count, count, css);
700    hOffset += MinikinUtils::hOffsetForTextAlign(paint, layout, *path);
701    SkPaint::Align align = paint->getTextAlign();
702    paint->setTextAlign(SkPaint::kLeft_Align);
703
704    RenderTextOnPathFunctor f(layout, renderer, hOffset, vOffset, paint, path);
705    MinikinUtils::forFontRun(layout, paint, f);
706    paint->setTextAlign(align);
707#else
708    sp<TextLayoutValue> value = TextLayoutEngine::getInstance().getValue(paint,
709            text, 0, count, count, bidiFlags);
710    if (value == NULL) {
711        return;
712    }
713    const jchar* glyphs = value->getGlyphs();
714    size_t glyphsCount = value->getGlyphsCount();
715    int bytesCount = glyphsCount * sizeof(jchar);
716    renderer->drawTextOnPath((const char*) glyphs, bytesCount, glyphsCount, path,
717            hOffset, vOffset, paint);
718#endif
719}
720
721static void renderTextRun(DisplayListRenderer* renderer, const jchar* text,
722        jint start, jint count, jint contextCount, jfloat x, jfloat y,
723        int bidiFlags, SkPaint* paint, TypefaceImpl* typeface) {
724#ifdef USE_MINIKIN
725    Layout layout;
726    std::string css = MinikinUtils::setLayoutProperties(&layout, paint, bidiFlags, typeface);
727    layout.doLayout(text, start, count, contextCount, css);
728    x += xOffsetForTextAlign(paint, layout.getAdvance());
729    renderTextLayout(renderer, &layout, x, y, paint);
730#else
731    sp<TextLayoutValue> value = TextLayoutEngine::getInstance().getValue(paint,
732            text, start, count, contextCount, bidiFlags);
733    if (value == NULL) {
734        return;
735    }
736    const jchar* glyphs = value->getGlyphs();
737    size_t glyphsCount = value->getGlyphsCount();
738    jfloat totalAdvance = value->getTotalAdvance();
739    x += xOffsetForTextAlign(paint, totalAdvance);
740    const float* positions = value->getPos();
741    int bytesCount = glyphsCount * sizeof(jchar);
742    const SkRect& r = value->getBounds();
743    android::uirenderer::Rect bounds(r.fLeft, r.fTop, r.fRight, r.fBottom);
744    bounds.translate(x, y);
745
746    renderer->drawText((const char*) glyphs, bytesCount, glyphsCount,
747            x, y, positions, paint, totalAdvance, bounds);
748#endif
749}
750
751static void android_view_GLES20Canvas_drawTextArray(JNIEnv* env, jobject clazz,
752        jlong rendererPtr, jcharArray text, jint index, jint count,
753        jfloat x, jfloat y, jint bidiFlags, jlong paintPtr, jlong typefacePtr) {
754    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
755    jchar* textArray = env->GetCharArrayElements(text, NULL);
756    SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr);
757    TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefacePtr);
758
759    renderText(renderer, textArray + index, count, x, y, bidiFlags, paint, typeface);
760    env->ReleaseCharArrayElements(text, textArray, JNI_ABORT);
761}
762
763static void android_view_GLES20Canvas_drawText(JNIEnv* env, jobject clazz,
764        jlong rendererPtr, jstring text, jint start, jint end,
765        jfloat x, jfloat y, jint bidiFlags, jlong paintPtr, jlong typefacePtr) {
766    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
767    const jchar* textArray = env->GetStringChars(text, NULL);
768    SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr);
769    TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefacePtr);
770
771    renderText(renderer, textArray + start, end - start, x, y, bidiFlags, paint, typeface);
772    env->ReleaseStringChars(text, textArray);
773}
774
775static void android_view_GLES20Canvas_drawTextArrayOnPath(JNIEnv* env, jobject clazz,
776        jlong rendererPtr, jcharArray text, jint index, jint count,
777        jlong pathPtr, jfloat hOffset, jfloat vOffset, jint bidiFlags, jlong paintPtr,
778        jlong typefacePtr) {
779    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
780    jchar* textArray = env->GetCharArrayElements(text, NULL);
781    SkPath* path = reinterpret_cast<SkPath*>(pathPtr);
782    SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr);
783    TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefacePtr);
784
785    renderTextOnPath(renderer, textArray + index, count, path,
786            hOffset, vOffset, bidiFlags, paint, typeface);
787    env->ReleaseCharArrayElements(text, textArray, JNI_ABORT);
788}
789
790static void android_view_GLES20Canvas_drawTextOnPath(JNIEnv* env, jobject clazz,
791        jlong rendererPtr, jstring text, jint start, jint end,
792        jlong pathPtr, jfloat hOffset, jfloat vOffset, jint bidiFlags, jlong paintPtr,
793        jlong typefacePtr) {
794    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
795    const jchar* textArray = env->GetStringChars(text, NULL);
796    SkPath* path = reinterpret_cast<SkPath*>(pathPtr);
797    SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr);
798    TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefacePtr);
799
800    renderTextOnPath(renderer, textArray + start, end - start, path,
801            hOffset, vOffset, bidiFlags, paint, typeface);
802    env->ReleaseStringChars(text, textArray);
803}
804
805static void android_view_GLES20Canvas_drawTextRunArray(JNIEnv* env, jobject clazz,
806        jlong rendererPtr, jcharArray text, jint index, jint count,
807        jint contextIndex, jint contextCount, jfloat x, jfloat y, jboolean isRtl,
808        jlong paintPtr, jlong typefacePtr) {
809    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
810    jchar* textArray = env->GetCharArrayElements(text, NULL);
811    SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr);
812    TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefacePtr);
813
814    int bidiFlags = isRtl ? kBidi_Force_RTL : kBidi_Force_LTR;
815    renderTextRun(renderer, textArray + contextIndex, index - contextIndex,
816            count, contextCount, x, y, bidiFlags, paint, typeface);
817    env->ReleaseCharArrayElements(text, textArray, JNI_ABORT);
818 }
819
820static void android_view_GLES20Canvas_drawTextRun(JNIEnv* env, jobject clazz,
821        jlong rendererPtr, jstring text, jint start, jint end,
822        jint contextStart, int contextEnd, jfloat x, jfloat y, jboolean isRtl,
823        jlong paintPtr, jlong typefacePtr) {
824    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
825    const jchar* textArray = env->GetStringChars(text, NULL);
826    jint count = end - start;
827    jint contextCount = contextEnd - contextStart;
828    SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr);
829    TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefacePtr);
830
831    int bidiFlags = isRtl ? kBidi_Force_RTL : kBidi_Force_LTR;
832    renderTextRun(renderer, textArray + contextStart, start - contextStart,
833            count, contextCount, x, y, bidiFlags, paint, typeface);
834    env->ReleaseStringChars(text, textArray);
835}
836
837// ----------------------------------------------------------------------------
838// Display lists
839// ----------------------------------------------------------------------------
840
841static jlong android_view_GLES20Canvas_finishRecording(JNIEnv* env,
842        jobject clazz, jlong rendererPtr) {
843    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
844    return reinterpret_cast<jlong>(renderer->finishRecording());
845}
846
847static jlong android_view_GLES20Canvas_createDisplayListRenderer(JNIEnv* env, jobject clazz) {
848    return reinterpret_cast<jlong>(new DisplayListRenderer);
849}
850
851static jint android_view_GLES20Canvas_drawRenderNode(JNIEnv* env,
852        jobject clazz, jlong rendererPtr, jlong renderNodePtr,
853        jobject dirty, jint flags) {
854    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
855    RenderNode* renderNode = reinterpret_cast<RenderNode*>(renderNodePtr);
856    android::uirenderer::Rect bounds;
857    status_t status = renderer->drawRenderNode(renderNode, bounds, flags);
858    if (status != DrawGlInfo::kStatusDone && dirty != NULL) {
859        env->CallVoidMethod(dirty, gRectClassInfo.set,
860                int(bounds.left), int(bounds.top), int(bounds.right), int(bounds.bottom));
861    }
862    return status;
863}
864
865// ----------------------------------------------------------------------------
866// Layers
867// ----------------------------------------------------------------------------
868
869static void android_view_GLES20Canvas_drawLayer(JNIEnv* env, jobject clazz,
870        jlong rendererPtr, jlong layerPtr, jfloat x, jfloat y) {
871    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
872    Layer* layer = reinterpret_cast<Layer*>(layerPtr);
873    renderer->drawLayer(layer, x, y);
874}
875
876#endif // USE_OPENGL_RENDERER
877
878// ----------------------------------------------------------------------------
879// Common
880// ----------------------------------------------------------------------------
881
882static jboolean android_view_GLES20Canvas_isAvailable(JNIEnv* env, jobject clazz) {
883#ifdef USE_OPENGL_RENDERER
884    char prop[PROPERTY_VALUE_MAX];
885    if (property_get("ro.kernel.qemu", prop, NULL) == 0) {
886        // not in the emulator
887        return JNI_TRUE;
888    }
889    // In the emulator this property will be set to 1 when hardware GLES is
890    // enabled, 0 otherwise. On old emulator versions it will be undefined.
891    property_get("ro.kernel.qemu.gles", prop, "0");
892    return atoi(prop) == 1 ? JNI_TRUE : JNI_FALSE;
893#else
894    return JNI_FALSE;
895#endif
896}
897
898// ----------------------------------------------------------------------------
899// Logging
900// ----------------------------------------------------------------------------
901
902static void
903android_app_ActivityThread_dumpGraphics(JNIEnv* env, jobject clazz, jobject javaFileDescriptor) {
904#ifdef USE_OPENGL_RENDERER
905    int fd = jniGetFDFromFileDescriptor(env, javaFileDescriptor);
906    android::uirenderer::RenderNode::outputLogBuffer(fd);
907#endif // USE_OPENGL_RENDERER
908}
909
910// ----------------------------------------------------------------------------
911// JNI Glue
912// ----------------------------------------------------------------------------
913
914const char* const kClassPathName = "android/view/GLES20Canvas";
915
916static JNINativeMethod gMethods[] = {
917    { "nIsAvailable",       "()Z",             (void*) android_view_GLES20Canvas_isAvailable },
918
919#ifdef USE_OPENGL_RENDERER
920
921    { "nDestroyRenderer",   "(J)V",            (void*) android_view_GLES20Canvas_destroyRenderer },
922    { "nSetViewport",       "(JII)V",          (void*) android_view_GLES20Canvas_setViewport },
923    { "nPrepare",           "(JZ)I",           (void*) android_view_GLES20Canvas_prepare },
924    { "nPrepareDirty",      "(JIIIIZ)I",       (void*) android_view_GLES20Canvas_prepareDirty },
925    { "nFinish",            "(J)V",            (void*) android_view_GLES20Canvas_finish },
926    { "nSetProperty",           "(Ljava/lang/String;Ljava/lang/String;)V",
927            (void*) android_view_GLES20Canvas_setProperty },
928
929    { "nCallDrawGLFunction", "(JJ)I",          (void*) android_view_GLES20Canvas_callDrawGLFunction },
930
931    { "nSave",              "(JI)I",           (void*) android_view_GLES20Canvas_save },
932    { "nRestore",           "(J)V",            (void*) android_view_GLES20Canvas_restore },
933    { "nRestoreToCount",    "(JI)V",           (void*) android_view_GLES20Canvas_restoreToCount },
934    { "nGetSaveCount",      "(J)I",            (void*) android_view_GLES20Canvas_getSaveCount },
935
936    { "nSaveLayer",         "(JFFFFJI)I",      (void*) android_view_GLES20Canvas_saveLayer },
937    { "nSaveLayer",         "(JJI)I",          (void*) android_view_GLES20Canvas_saveLayerClip },
938    { "nSaveLayerAlpha",    "(JFFFFII)I",      (void*) android_view_GLES20Canvas_saveLayerAlpha },
939    { "nSaveLayerAlpha",    "(JII)I",          (void*) android_view_GLES20Canvas_saveLayerAlphaClip },
940
941    { "nQuickReject",       "(JFFFF)Z",        (void*) android_view_GLES20Canvas_quickReject },
942    { "nClipRect",          "(JFFFFI)Z",       (void*) android_view_GLES20Canvas_clipRectF },
943    { "nClipRect",          "(JIIIII)Z",       (void*) android_view_GLES20Canvas_clipRect },
944    { "nClipPath",          "(JJI)Z",          (void*) android_view_GLES20Canvas_clipPath },
945    { "nClipRegion",        "(JJI)Z",          (void*) android_view_GLES20Canvas_clipRegion },
946
947    { "nTranslate",         "(JFF)V",          (void*) android_view_GLES20Canvas_translate },
948    { "nRotate",            "(JF)V",           (void*) android_view_GLES20Canvas_rotate },
949    { "nScale",             "(JFF)V",          (void*) android_view_GLES20Canvas_scale },
950    { "nSkew",              "(JFF)V",          (void*) android_view_GLES20Canvas_skew },
951
952    { "nSetMatrix",         "(JJ)V",           (void*) android_view_GLES20Canvas_setMatrix },
953    { "nGetMatrix",         "(JJ)V",           (void*) android_view_GLES20Canvas_getMatrix },
954    { "nConcatMatrix",      "(JJ)V",           (void*) android_view_GLES20Canvas_concatMatrix },
955
956    { "nDrawBitmap",        "(JJ[BFFJ)V",      (void*) android_view_GLES20Canvas_drawBitmap },
957    { "nDrawBitmap",        "(JJ[BFFFFFFFFJ)V",(void*) android_view_GLES20Canvas_drawBitmapRect },
958    { "nDrawBitmap",        "(JJ[BJJ)V",       (void*) android_view_GLES20Canvas_drawBitmapMatrix },
959    { "nDrawBitmap",        "(J[IIIFFIIZJ)V",  (void*) android_view_GLES20Canvas_drawBitmapData },
960
961    { "nDrawBitmapMesh",    "(JJ[BII[FI[IIJ)V",(void*) android_view_GLES20Canvas_drawBitmapMesh },
962
963    { "nDrawPatch",         "(JJ[BJFFFFJ)V",   (void*) android_view_GLES20Canvas_drawPatch },
964
965    { "nDrawColor",         "(JII)V",          (void*) android_view_GLES20Canvas_drawColor },
966    { "nDrawRect",          "(JFFFFJ)V",       (void*) android_view_GLES20Canvas_drawRect },
967    { "nDrawRects",         "(JJJ)V",          (void*) android_view_GLES20Canvas_drawRegionAsRects },
968    { "nDrawRoundRect",     "(JFFFFFFJ)V",     (void*) android_view_GLES20Canvas_drawRoundRect },
969    { "nDrawCircle",        "(JFFFJ)V",        (void*) android_view_GLES20Canvas_drawCircle },
970    { "nDrawCircle",        "(JJJJJ)V",        (void*) android_view_GLES20Canvas_drawCircleProps },
971    { "nDrawOval",          "(JFFFFJ)V",       (void*) android_view_GLES20Canvas_drawOval },
972    { "nDrawArc",           "(JFFFFFFZJ)V",    (void*) android_view_GLES20Canvas_drawArc },
973    { "nDrawPoints",        "(J[FIIJ)V",       (void*) android_view_GLES20Canvas_drawPoints },
974
975    { "nDrawPath",          "(JJJ)V",          (void*) android_view_GLES20Canvas_drawPath },
976    { "nDrawLines",         "(J[FIIJ)V",       (void*) android_view_GLES20Canvas_drawLines },
977
978    { "nSetupPaintFilter",  "(JII)V",          (void*) android_view_GLES20Canvas_setupPaintFilter },
979    { "nResetPaintFilter",  "(J)V",            (void*) android_view_GLES20Canvas_resetPaintFilter },
980
981    { "nDrawText",          "(J[CIIFFIJJ)V",   (void*) android_view_GLES20Canvas_drawTextArray },
982    { "nDrawText",          "(JLjava/lang/String;IIFFIJJ)V",
983            (void*) android_view_GLES20Canvas_drawText },
984
985    { "nDrawTextOnPath",    "(J[CIIJFFIJJ)V",  (void*) android_view_GLES20Canvas_drawTextArrayOnPath },
986    { "nDrawTextOnPath",    "(JLjava/lang/String;IIJFFIJJ)V",
987            (void*) android_view_GLES20Canvas_drawTextOnPath },
988
989    { "nDrawTextRun",       "(J[CIIIIFFZJJ)V",  (void*) android_view_GLES20Canvas_drawTextRunArray },
990    { "nDrawTextRun",       "(JLjava/lang/String;IIIIFFZJJ)V",
991            (void*) android_view_GLES20Canvas_drawTextRun },
992
993    { "nGetClipBounds",     "(JLandroid/graphics/Rect;)Z", (void*) android_view_GLES20Canvas_getClipBounds },
994
995    { "nFinishRecording",   "(J)J",      (void*) android_view_GLES20Canvas_finishRecording },
996    { "nDrawRenderNode",    "(JJLandroid/graphics/Rect;I)I", (void*) android_view_GLES20Canvas_drawRenderNode },
997
998    { "nCreateDisplayListRenderer", "()J",     (void*) android_view_GLES20Canvas_createDisplayListRenderer },
999
1000    { "nDrawLayer",              "(JJFF)V",    (void*) android_view_GLES20Canvas_drawLayer },
1001
1002    { "nGetMaximumTextureWidth",  "()I",       (void*) android_view_GLES20Canvas_getMaxTextureWidth },
1003    { "nGetMaximumTextureHeight", "()I",       (void*) android_view_GLES20Canvas_getMaxTextureHeight },
1004
1005#endif
1006};
1007
1008static JNINativeMethod gActivityThreadMethods[] = {
1009    { "dumpGraphicsInfo",        "(Ljava/io/FileDescriptor;)V",
1010                                               (void*) android_app_ActivityThread_dumpGraphics }
1011};
1012
1013
1014#ifdef USE_OPENGL_RENDERER
1015    #define FIND_CLASS(var, className) \
1016            var = env->FindClass(className); \
1017            LOG_FATAL_IF(! var, "Unable to find class " className);
1018
1019    #define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) \
1020            var = env->GetMethodID(clazz, methodName, methodDescriptor); \
1021            LOG_FATAL_IF(! var, "Unable to find method " methodName);
1022#else
1023    #define FIND_CLASS(var, className)
1024    #define GET_METHOD_ID(var, clazz, methodName, methodDescriptor)
1025#endif
1026
1027int register_android_view_GLES20Canvas(JNIEnv* env) {
1028    jclass clazz;
1029    FIND_CLASS(clazz, "android/graphics/Rect");
1030    GET_METHOD_ID(gRectClassInfo.set, clazz, "set", "(IIII)V");
1031
1032    return AndroidRuntime::registerNativeMethods(env, kClassPathName, gMethods, NELEM(gMethods));
1033}
1034
1035const char* const kActivityThreadPathName = "android/app/ActivityThread";
1036
1037int register_android_app_ActivityThread(JNIEnv* env) {
1038    return AndroidRuntime::registerNativeMethods(env, kActivityThreadPathName,
1039            gActivityThreadMethods, NELEM(gActivityThreadMethods));
1040}
1041
1042};
1043