android_view_GLES20Canvas.cpp revision 0e89e2b7bcb2c035e8cee77f93120e7c5617f8d2 
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 <SkImageInfo.h>
34#include <SkMatrix.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#include <Paint.h>
46#include <renderthread/RenderProxy.h>
47
48#include "MinikinUtils.h"
49
50namespace android {
51
52using namespace uirenderer;
53
54/**
55 * Note: DisplayListRenderer JNI layer is generated and compiled only on supported
56 *       devices. This means all the logic must be compiled only when the
57 *       preprocessor variable USE_OPENGL_RENDERER is defined.
58 */
59#ifdef USE_OPENGL_RENDERER
60
61// ----------------------------------------------------------------------------
62// Defines
63// ----------------------------------------------------------------------------
64
65// Debug
66#define DEBUG_RENDERER 0
67
68// Debug
69#if DEBUG_RENDERER
70    #define RENDERER_LOGD(...) ALOGD(__VA_ARGS__)
71#else
72    #define RENDERER_LOGD(...)
73#endif
74
75// ----------------------------------------------------------------------------
76
77static struct {
78    jmethodID set;
79} gRectClassInfo;
80
81// ----------------------------------------------------------------------------
82// Constructors
83// ----------------------------------------------------------------------------
84
85static void android_view_GLES20Canvas_destroyRenderer(JNIEnv* env, jobject clazz,
86        jlong rendererPtr) {
87    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
88    RENDERER_LOGD("Destroy DisplayListRenderer");
89    delete renderer;
90}
91
92// ----------------------------------------------------------------------------
93// Setup
94// ----------------------------------------------------------------------------
95
96static void android_view_GLES20Canvas_setViewport(JNIEnv* env, jobject clazz,
97        jlong rendererPtr, jint width, jint height) {
98    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
99    renderer->setViewport(width, height);
100}
101
102static void android_view_GLES20Canvas_setHighContrastText(JNIEnv* env, jobject clazz,
103        jlong rendererPtr, jboolean highContrastText) {
104    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
105    renderer->setHighContrastText(highContrastText);
106}
107
108static void android_view_GLES20Canvas_insertReorderBarrier(JNIEnv* env, jobject clazz,
109        jlong rendererPtr, jboolean reorderEnable) {
110    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
111    renderer->insertReorderBarrier(reorderEnable);
112}
113
114static int android_view_GLES20Canvas_prepare(JNIEnv* env, jobject clazz,
115        jlong rendererPtr, jboolean opaque) {
116    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
117    return renderer->prepare(opaque);
118}
119
120static int android_view_GLES20Canvas_prepareDirty(JNIEnv* env, jobject clazz,
121        jlong rendererPtr, jint left, jint top, jint right, jint bottom,
122        jboolean opaque) {
123    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
124    return renderer->prepareDirty(left, top, right, bottom, opaque);
125}
126
127static void android_view_GLES20Canvas_finish(JNIEnv* env, jobject clazz,
128        jlong rendererPtr) {
129    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
130    renderer->finish();
131}
132
133static void android_view_GLES20Canvas_setProperty(JNIEnv* env,
134        jobject clazz, jstring name, jstring value) {
135    if (!Caches::hasInstance()) {
136        ALOGW("can't set property, no Caches instance");
137        return;
138    }
139
140    if (name == NULL || value == NULL) {
141        ALOGW("can't set prop, null passed");
142    }
143
144    const char* nameCharArray = env->GetStringUTFChars(name, NULL);
145    const char* valueCharArray = env->GetStringUTFChars(value, NULL);
146    Caches::getInstance().setTempProperty(nameCharArray, valueCharArray);
147    env->ReleaseStringUTFChars(name, nameCharArray);
148    env->ReleaseStringUTFChars(name, valueCharArray);
149}
150
151// ----------------------------------------------------------------------------
152// Functor
153// ----------------------------------------------------------------------------
154
155static jint android_view_GLES20Canvas_callDrawGLFunction(JNIEnv* env, jobject clazz,
156        jlong rendererPtr, jlong functorPtr) {
157    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
158    Functor* functor = reinterpret_cast<Functor*>(functorPtr);
159    android::uirenderer::Rect dirty;
160    return renderer->callDrawGLFunction(functor, dirty);
161}
162
163// ----------------------------------------------------------------------------
164// Misc
165// ----------------------------------------------------------------------------
166
167static jint android_view_GLES20Canvas_getMaxTextureWidth(JNIEnv* env, jobject clazz) {
168    return Caches::getInstance().maxTextureSize;
169}
170
171static jint android_view_GLES20Canvas_getMaxTextureHeight(JNIEnv* env, jobject clazz) {
172    return Caches::getInstance().maxTextureSize;
173}
174
175// ----------------------------------------------------------------------------
176// State
177// ----------------------------------------------------------------------------
178
179static jint android_view_GLES20Canvas_save(JNIEnv* env, jobject clazz, jlong rendererPtr,
180        jint flags) {
181    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
182    return renderer->save(flags);
183}
184
185static jint android_view_GLES20Canvas_getSaveCount(JNIEnv* env, jobject clazz,
186        jlong rendererPtr) {
187    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
188    return renderer->getSaveCount();
189}
190
191static void android_view_GLES20Canvas_restore(JNIEnv* env, jobject clazz,
192        jlong rendererPtr) {
193    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
194    renderer->restore();
195}
196
197static void android_view_GLES20Canvas_restoreToCount(JNIEnv* env, jobject clazz,
198        jlong rendererPtr, jint saveCount) {
199    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
200    renderer->restoreToCount(saveCount);
201}
202
203// ----------------------------------------------------------------------------
204// Layers
205// ----------------------------------------------------------------------------
206
207static jint android_view_GLES20Canvas_saveLayer(JNIEnv* env, jobject clazz,
208        jlong rendererPtr, jfloat left, jfloat top, jfloat right, jfloat bottom,
209        jlong paintPtr, jint saveFlags) {
210    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
211    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
212    return renderer->saveLayer(left, top, right, bottom, paint, saveFlags);
213}
214
215static jint android_view_GLES20Canvas_saveLayerClip(JNIEnv* env, jobject clazz,
216        jlong rendererPtr, jlong paintPtr, jint saveFlags) {
217    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
218    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
219    const android::uirenderer::Rect& bounds(renderer->getLocalClipBounds());
220    return renderer->saveLayer(bounds.left, bounds.top, bounds.right, bounds.bottom,
221            paint, saveFlags);
222}
223
224static jint android_view_GLES20Canvas_saveLayerAlpha(JNIEnv* env, jobject clazz,
225        jlong rendererPtr, jfloat left, jfloat top, jfloat right, jfloat bottom,
226        jint alpha, jint saveFlags) {
227    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
228    return renderer->saveLayerAlpha(left, top, right, bottom, alpha, saveFlags);
229}
230
231static jint android_view_GLES20Canvas_saveLayerAlphaClip(JNIEnv* env, jobject clazz,
232        jlong rendererPtr, jint alpha, jint saveFlags) {
233    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
234    const android::uirenderer::Rect& bounds(renderer->getLocalClipBounds());
235    return renderer->saveLayerAlpha(bounds.left, bounds.top, bounds.right, bounds.bottom,
236            alpha, saveFlags);
237}
238
239// ----------------------------------------------------------------------------
240// Clipping
241// ----------------------------------------------------------------------------
242
243static jboolean android_view_GLES20Canvas_quickReject(JNIEnv* env, jobject clazz,
244        jlong rendererPtr, jfloat left, jfloat top, jfloat right, jfloat bottom) {
245    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
246    const bool result = renderer->quickRejectConservative(left, top, right, bottom);
247    return result ? JNI_TRUE : JNI_FALSE;
248}
249
250static jboolean android_view_GLES20Canvas_clipRectF(JNIEnv* env, jobject clazz,
251        jlong rendererPtr, jfloat left, jfloat top, jfloat right, jfloat bottom,
252        jint op) {
253    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
254    const bool result = renderer->clipRect(left, top, right, bottom,
255                                           static_cast<SkRegion::Op>(op));
256    return result ? JNI_TRUE : JNI_FALSE;
257}
258
259static jboolean android_view_GLES20Canvas_clipRect(JNIEnv* env, jobject clazz,
260        jlong rendererPtr, jint left, jint top, jint right, jint bottom,
261        jint op) {
262    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
263    const bool result = renderer->clipRect(float(left), float(top), float(right),
264                                           float(bottom),
265                                           static_cast<SkRegion::Op>(op));
266    return result ? JNI_TRUE : JNI_FALSE;
267}
268
269static jboolean android_view_GLES20Canvas_clipPath(JNIEnv* env, jobject clazz,
270        jlong rendererPtr, jlong pathPtr, jint op) {
271    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
272    SkPath* path = reinterpret_cast<SkPath*>(pathPtr);
273    const bool result = renderer->clipPath(path, static_cast<SkRegion::Op>(op));
274    return result ? JNI_TRUE : JNI_FALSE;
275}
276
277static jboolean android_view_GLES20Canvas_clipRegion(JNIEnv* env, jobject clazz,
278        jlong rendererPtr, jlong regionPtr, jint op) {
279    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
280    SkRegion* region = reinterpret_cast<SkRegion*>(regionPtr);
281    const bool result = renderer->clipRegion(region, static_cast<SkRegion::Op>(op));
282    return result ? JNI_TRUE : JNI_FALSE;
283}
284
285static jboolean android_view_GLES20Canvas_getClipBounds(JNIEnv* env, jobject clazz,
286        jlong rendererPtr, jobject rect) {
287    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
288    const android::uirenderer::Rect& bounds(renderer->getLocalClipBounds());
289
290    env->CallVoidMethod(rect, gRectClassInfo.set,
291            int(bounds.left), int(bounds.top), int(bounds.right), int(bounds.bottom));
292
293    return !bounds.isEmpty() ? JNI_TRUE : JNI_FALSE;
294}
295
296// ----------------------------------------------------------------------------
297// Transforms
298// ----------------------------------------------------------------------------
299
300static void android_view_GLES20Canvas_translate(JNIEnv* env, jobject clazz,
301        jlong rendererPtr, jfloat dx, jfloat dy) {
302    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
303    renderer->translate(dx, dy);
304}
305
306static void android_view_GLES20Canvas_rotate(JNIEnv* env, jobject clazz,
307        jlong rendererPtr, jfloat degrees) {
308    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
309    renderer->rotate(degrees);
310}
311
312static void android_view_GLES20Canvas_scale(JNIEnv* env, jobject clazz,
313        jlong rendererPtr, jfloat sx, jfloat sy) {
314    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
315    renderer->scale(sx, sy);
316}
317
318static void android_view_GLES20Canvas_skew(JNIEnv* env, jobject clazz,
319        jlong rendererPtr, jfloat sx, jfloat sy) {
320    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
321    renderer->skew(sx, sy);
322}
323
324static void android_view_GLES20Canvas_setMatrix(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->setMatrix(matrix ? *matrix : SkMatrix::I());
329}
330
331static void android_view_GLES20Canvas_getMatrix(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->getMatrix(matrix);
336}
337
338static void android_view_GLES20Canvas_concatMatrix(JNIEnv* env, jobject clazz,
339        jlong rendererPtr, jlong matrixPtr) {
340    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
341    SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixPtr);
342    renderer->concatMatrix(*matrix);
343}
344
345// ----------------------------------------------------------------------------
346// Drawing
347// ----------------------------------------------------------------------------
348
349static void android_view_GLES20Canvas_drawBitmap(JNIEnv* env, jobject clazz,
350        jlong rendererPtr, jlong bitmapPtr, jbyteArray buffer,
351        jfloat left, jfloat top, jlong paintPtr) {
352    SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapPtr);
353    // This object allows the renderer to allocate a global JNI ref to the buffer object.
354    JavaHeapBitmapRef bitmapRef(env, bitmap, buffer);
355
356    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
357    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
358
359    // apply transform directly to canvas, so it affects shaders correctly
360    renderer->save(SkCanvas::kMatrix_SaveFlag);
361    renderer->translate(left, top);
362    renderer->drawBitmap(bitmap, paint);
363    renderer->restore();
364}
365
366static void android_view_GLES20Canvas_drawBitmapRect(JNIEnv* env, jobject clazz,
367        jlong rendererPtr, jlong bitmapPtr, jbyteArray buffer,
368        float srcLeft, float srcTop, float srcRight, float srcBottom,
369        float dstLeft, float dstTop, float dstRight, float dstBottom, jlong paintPtr) {
370    SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapPtr);
371    // This object allows the renderer to allocate a global JNI ref to the buffer object.
372    JavaHeapBitmapRef bitmapRef(env, bitmap, buffer);
373
374    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
375    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
376    renderer->drawBitmap(bitmap, srcLeft, srcTop, srcRight, srcBottom,
377            dstLeft, dstTop, dstRight, dstBottom, paint);
378}
379
380static void android_view_GLES20Canvas_drawBitmapMatrix(JNIEnv* env, jobject clazz,
381        jlong rendererPtr, jlong bitmapPtr, jbyteArray buffer,
382        jlong matrixPtr, jlong paintPtr) {
383    SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapPtr);
384    // This object allows the renderer to allocate a global JNI ref to the buffer object.
385    JavaHeapBitmapRef bitmapRef(env, bitmap, buffer);
386
387    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
388    SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixPtr);
389    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
390
391    // apply transform directly to canvas, so it affects shaders correctly
392    renderer->save(SkCanvas::kMatrix_SaveFlag);
393    renderer->concatMatrix(*matrix);
394    renderer->drawBitmap(bitmap, paint);
395    renderer->restore();
396}
397
398static void android_view_GLES20Canvas_drawBitmapData(JNIEnv* env, jobject clazz,
399        jlong rendererPtr, jintArray colors, jint offset, jint stride,
400        jfloat left, jfloat top, jint width, jint height, jboolean hasAlpha, jlong paintPtr) {
401    // Note: If hasAlpha is false, kRGB_565_SkColorType will be used, which will
402    // correct the alphaType to kOpaque_SkAlphaType.
403    const SkImageInfo info = SkImageInfo::Make(width, height,
404                               hasAlpha ? kN32_SkColorType : kRGB_565_SkColorType,
405                               kPremul_SkAlphaType);
406    SkBitmap* bitmap = new SkBitmap;
407    if (!bitmap->allocPixels(info)) {
408        delete bitmap;
409        return;
410    }
411
412    if (!GraphicsJNI::SetPixels(env, colors, offset, stride, 0, 0, width, height, *bitmap)) {
413        delete bitmap;
414        return;
415    }
416
417    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
418    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
419
420    // apply transform directly to canvas, so it affects shaders correctly
421    renderer->save(SkCanvas::kMatrix_SaveFlag);
422    renderer->translate(left, top);
423    renderer->drawBitmapData(bitmap, paint);
424    renderer->restore();
425
426    // Note - bitmap isn't deleted as DisplayListRenderer owns it now
427}
428
429static void android_view_GLES20Canvas_drawBitmapMesh(JNIEnv* env, jobject clazz,
430        jlong rendererPtr, jlong bitmapPtr, jbyteArray buffer,
431        jint meshWidth, jint meshHeight, jfloatArray vertices, jint offset, jintArray colors,
432        jint colorOffset, jlong paintPtr) {
433    SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapPtr);
434    // This object allows the renderer to allocate a global JNI ref to the buffer object.
435    JavaHeapBitmapRef bitmapRef(env, bitmap, buffer);
436
437    jfloat* verticesArray = vertices ? env->GetFloatArrayElements(vertices, NULL) + offset : NULL;
438    jint* colorsArray = colors ? env->GetIntArrayElements(colors, NULL) + colorOffset : NULL;
439
440    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
441    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
442    renderer->drawBitmapMesh(bitmap, meshWidth, meshHeight, verticesArray, colorsArray, paint);
443
444    if (vertices) env->ReleaseFloatArrayElements(vertices, verticesArray, 0);
445    if (colors) env->ReleaseIntArrayElements(colors, colorsArray, 0);
446}
447
448static void android_view_GLES20Canvas_drawPatch(JNIEnv* env, jobject clazz,
449        jlong rendererPtr, jlong bitmapPtr, jbyteArray buffer, jlong patchPtr,
450        float left, float top, float right, float bottom, jlong paintPtr) {
451    SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapPtr);
452    // This object allows the renderer to allocate a global JNI ref to the buffer object.
453    JavaHeapBitmapRef bitmapRef(env, bitmap, buffer);
454
455    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
456    Res_png_9patch* patch = reinterpret_cast<Res_png_9patch*>(patchPtr);
457    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
458    renderer->drawPatch(bitmap, patch, left, top, right, bottom, paint);
459}
460
461static void android_view_GLES20Canvas_drawColor(JNIEnv* env, jobject clazz,
462        jlong rendererPtr, jint color, jint modeHandle) {
463    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
464    SkPorterDuff::Mode mode = static_cast<SkPorterDuff::Mode>(modeHandle);
465    renderer->drawColor(color, SkPorterDuff::ToXfermodeMode(mode));
466}
467
468static void android_view_GLES20Canvas_drawRect(JNIEnv* env, jobject clazz,
469        jlong rendererPtr, jfloat left, jfloat top, jfloat right, jfloat bottom,
470        jlong paintPtr) {
471    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
472    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
473    renderer->drawRect(left, top, right, bottom, paint);
474}
475
476static void android_view_GLES20Canvas_drawRoundRect(JNIEnv* env, jobject clazz,
477        jlong rendererPtr, jfloat left, jfloat top, jfloat right, jfloat bottom,
478        jfloat rx, jfloat ry, jlong paintPtr) {
479    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
480    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
481    renderer->drawRoundRect(left, top, right, bottom, rx, ry, paint);
482}
483
484static void android_view_GLES20Canvas_drawRoundRectProps(JNIEnv* env, jobject clazz,
485        jlong rendererPtr, jlong leftPropPtr, jlong topPropPtr, jlong rightPropPtr,
486        jlong bottomPropPtr, jlong rxPropPtr, jlong ryPropPtr, jlong paintPropPtr) {
487    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
488    CanvasPropertyPrimitive* leftProp = reinterpret_cast<CanvasPropertyPrimitive*>(leftPropPtr);
489    CanvasPropertyPrimitive* topProp = reinterpret_cast<CanvasPropertyPrimitive*>(topPropPtr);
490    CanvasPropertyPrimitive* rightProp = reinterpret_cast<CanvasPropertyPrimitive*>(rightPropPtr);
491    CanvasPropertyPrimitive* bottomProp = reinterpret_cast<CanvasPropertyPrimitive*>(bottomPropPtr);
492    CanvasPropertyPrimitive* rxProp = reinterpret_cast<CanvasPropertyPrimitive*>(rxPropPtr);
493    CanvasPropertyPrimitive* ryProp = reinterpret_cast<CanvasPropertyPrimitive*>(ryPropPtr);
494    CanvasPropertyPaint* paintProp = reinterpret_cast<CanvasPropertyPaint*>(paintPropPtr);
495    renderer->drawRoundRect(leftProp, topProp, rightProp, bottomProp, rxProp, ryProp, paintProp);
496}
497
498static void android_view_GLES20Canvas_drawCircle(JNIEnv* env, jobject clazz,
499        jlong rendererPtr, jfloat x, jfloat y, jfloat radius, jlong paintPtr) {
500    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
501    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
502    renderer->drawCircle(x, y, radius, paint);
503}
504
505static void android_view_GLES20Canvas_drawCircleProps(JNIEnv* env, jobject clazz,
506        jlong rendererPtr, jlong xPropPtr, jlong yPropPtr, jlong radiusPropPtr, jlong paintPropPtr) {
507    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
508    CanvasPropertyPrimitive* xProp = reinterpret_cast<CanvasPropertyPrimitive*>(xPropPtr);
509    CanvasPropertyPrimitive* yProp = reinterpret_cast<CanvasPropertyPrimitive*>(yPropPtr);
510    CanvasPropertyPrimitive* radiusProp = reinterpret_cast<CanvasPropertyPrimitive*>(radiusPropPtr);
511    CanvasPropertyPaint* paintProp = reinterpret_cast<CanvasPropertyPaint*>(paintPropPtr);
512    renderer->drawCircle(xProp, yProp, radiusProp, paintProp);
513}
514
515static void android_view_GLES20Canvas_drawOval(JNIEnv* env, jobject clazz,
516        jlong rendererPtr, jfloat left, jfloat top, jfloat right, jfloat bottom,
517        jlong paintPtr) {
518    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
519    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
520    renderer->drawOval(left, top, right, bottom, paint);
521}
522
523static void android_view_GLES20Canvas_drawArc(JNIEnv* env, jobject clazz,
524        jlong rendererPtr, jfloat left, jfloat top, jfloat right, jfloat bottom,
525        jfloat startAngle, jfloat sweepAngle, jboolean useCenter, jlong paintPtr) {
526    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
527    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
528    renderer->drawArc(left, top, right, bottom, startAngle, sweepAngle, useCenter, paint);
529}
530
531static void android_view_GLES20Canvas_drawRegionAsRects(JNIEnv* env, jobject clazz,
532        jlong rendererPtr, jlong regionPtr, jlong paintPtr) {
533    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
534    SkRegion* region = reinterpret_cast<SkRegion*>(regionPtr);
535    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
536    if (paint->getStyle() != Paint::kFill_Style ||
537            (paint->isAntiAlias() && !renderer->isCurrentTransformSimple())) {
538        SkRegion::Iterator it(*region);
539        while (!it.done()) {
540            const SkIRect& r = it.rect();
541            renderer->drawRect(r.fLeft, r.fTop, r.fRight, r.fBottom, paint);
542            it.next();
543        }
544    } else {
545        int count = 0;
546        Vector<float> rects;
547        SkRegion::Iterator it(*region);
548        while (!it.done()) {
549            const SkIRect& r = it.rect();
550            rects.push(r.fLeft);
551            rects.push(r.fTop);
552            rects.push(r.fRight);
553            rects.push(r.fBottom);
554            count += 4;
555            it.next();
556        }
557        renderer->drawRects(rects.array(), count, paint);
558    }
559}
560
561static void android_view_GLES20Canvas_drawPoints(JNIEnv* env, jobject clazz,
562        jlong rendererPtr, jfloatArray points, jint offset, jint count, jlong paintPtr) {
563    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
564    jfloat* storage = env->GetFloatArrayElements(points, NULL);
565    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
566    renderer->drawPoints(storage + offset, count, paint);
567    env->ReleaseFloatArrayElements(points, storage, 0);
568}
569
570static void android_view_GLES20Canvas_drawPath(JNIEnv* env, jobject clazz,
571        jlong rendererPtr, jlong pathPtr, jlong paintPtr) {
572    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
573    SkPath* path = reinterpret_cast<SkPath*>(pathPtr);
574    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
575    renderer->drawPath(path, paint);
576}
577
578static void android_view_GLES20Canvas_drawLines(JNIEnv* env, jobject clazz,
579        jlong rendererPtr, jfloatArray points, jint offset, jint count, jlong paintPtr) {
580    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
581    jfloat* storage = env->GetFloatArrayElements(points, NULL);
582    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
583    renderer->drawLines(storage + offset, count, paint);
584    env->ReleaseFloatArrayElements(points, storage, 0);
585}
586
587// ----------------------------------------------------------------------------
588// Draw filters
589// ----------------------------------------------------------------------------
590
591static void android_view_GLES20Canvas_setupPaintFilter(JNIEnv* env, jobject clazz,
592        jlong rendererPtr, jint clearBits, jint setBits) {
593    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
594    renderer->setupPaintFilter(clearBits, setBits);
595}
596
597static void android_view_GLES20Canvas_resetPaintFilter(JNIEnv* env, jobject clazz,
598        jlong rendererPtr) {
599    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
600    renderer->resetPaintFilter();
601}
602
603// ----------------------------------------------------------------------------
604// Text
605// ----------------------------------------------------------------------------
606
607class RenderTextFunctor {
608public:
609    RenderTextFunctor(const Layout& layout, DisplayListRenderer* renderer, jfloat x, jfloat y,
610                Paint* paint, uint16_t* glyphs, float* pos, float totalAdvance,
611                uirenderer::Rect& bounds)
612            : layout(layout), renderer(renderer), x(x), y(y), paint(paint), glyphs(glyphs),
613            pos(pos), totalAdvance(totalAdvance), bounds(bounds) { }
614    void operator()(size_t start, size_t end) {
615        for (size_t i = start; i < end; i++) {
616            glyphs[i] = layout.getGlyphId(i);
617            pos[2 * i] = layout.getX(i);
618            pos[2 * i + 1] = layout.getY(i);
619        }
620        size_t glyphsCount = end - start;
621        int bytesCount = glyphsCount * sizeof(jchar);
622        renderer->drawText((const char*) (glyphs + start), bytesCount, glyphsCount,
623            x, y, pos + 2 * start, paint, totalAdvance, bounds);
624    }
625private:
626    const Layout& layout;
627    DisplayListRenderer* renderer;
628    jfloat x;
629    jfloat y;
630    Paint* paint;
631    uint16_t* glyphs;
632    float* pos;
633    float totalAdvance;
634    uirenderer::Rect& bounds;
635};
636
637static void renderTextLayout(DisplayListRenderer* renderer, Layout* layout,
638    jfloat x, jfloat y, Paint* paint) {
639    size_t nGlyphs = layout->nGlyphs();
640    float* pos = new float[nGlyphs * 2];
641    uint16_t* glyphs = new uint16_t[nGlyphs];
642    MinikinRect b;
643    layout->getBounds(&b);
644    android::uirenderer::Rect bounds(b.mLeft, b.mTop, b.mRight, b.mBottom);
645    bounds.translate(x, y);
646    float totalAdvance = layout->getAdvance();
647
648    RenderTextFunctor f(*layout, renderer, x, y, paint, glyphs, pos, totalAdvance, bounds);
649    MinikinUtils::forFontRun(*layout, paint, f);
650    delete[] glyphs;
651    delete[] pos;
652}
653
654static void renderText(DisplayListRenderer* renderer, const jchar* text, int count,
655        jfloat x, jfloat y, int bidiFlags, Paint* paint, TypefaceImpl* typeface) {
656    Layout layout;
657    MinikinUtils::doLayout(&layout, paint, bidiFlags, typeface, text, 0, count, count);
658    x += MinikinUtils::xOffsetForTextAlign(paint, layout);
659    renderTextLayout(renderer, &layout, x, y, paint);
660}
661
662class RenderTextOnPathFunctor {
663public:
664    RenderTextOnPathFunctor(const Layout& layout, DisplayListRenderer* renderer, float hOffset,
665                float vOffset, Paint* paint, SkPath* path)
666            : layout(layout), renderer(renderer), hOffset(hOffset), vOffset(vOffset),
667                paint(paint), path(path) {
668    }
669    void operator()(size_t start, size_t end) {
670        uint16_t glyphs[1];
671        for (size_t i = start; i < end; i++) {
672            glyphs[0] = layout.getGlyphId(i);
673            float x = hOffset + layout.getX(i);
674            float y = vOffset + layout.getY(i);
675            renderer->drawTextOnPath((const char*) glyphs, sizeof(glyphs), 1, path, x, y, paint);
676        }
677    }
678private:
679    const Layout& layout;
680    DisplayListRenderer* renderer;
681    float hOffset;
682    float vOffset;
683    Paint* paint;
684    SkPath* path;
685};
686
687static void renderTextOnPath(DisplayListRenderer* renderer, const jchar* text, int count,
688        SkPath* path, jfloat hOffset, jfloat vOffset, int bidiFlags, Paint* paint,
689        TypefaceImpl* typeface) {
690    Layout layout;
691    MinikinUtils::doLayout(&layout, paint, bidiFlags, typeface, text, 0, count, count);
692    hOffset += MinikinUtils::hOffsetForTextAlign(paint, layout, *path);
693    Paint::Align align = paint->getTextAlign();
694    paint->setTextAlign(Paint::kLeft_Align);
695
696    RenderTextOnPathFunctor f(layout, renderer, hOffset, vOffset, paint, path);
697    MinikinUtils::forFontRun(layout, paint, f);
698    paint->setTextAlign(align);
699}
700
701static void renderTextRun(DisplayListRenderer* renderer, const jchar* text,
702        jint start, jint count, jint contextCount, jfloat x, jfloat y,
703        int bidiFlags, Paint* paint, TypefaceImpl* typeface) {
704    Layout layout;
705    MinikinUtils::doLayout(&layout, paint, bidiFlags, typeface, text, start, count, contextCount);
706    x += MinikinUtils::xOffsetForTextAlign(paint, layout);
707    renderTextLayout(renderer, &layout, x, y, paint);
708}
709
710static void android_view_GLES20Canvas_drawTextArray(JNIEnv* env, jobject clazz,
711        jlong rendererPtr, jcharArray text, jint index, jint count,
712        jfloat x, jfloat y, jint bidiFlags, jlong paintPtr, jlong typefacePtr) {
713    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
714    jchar* textArray = env->GetCharArrayElements(text, NULL);
715    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
716    TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefacePtr);
717
718    renderText(renderer, textArray + index, count, x, y, bidiFlags, paint, typeface);
719    env->ReleaseCharArrayElements(text, textArray, JNI_ABORT);
720}
721
722static void android_view_GLES20Canvas_drawText(JNIEnv* env, jobject clazz,
723        jlong rendererPtr, jstring text, jint start, jint end,
724        jfloat x, jfloat y, jint bidiFlags, jlong paintPtr, jlong typefacePtr) {
725    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
726    const jchar* textArray = env->GetStringChars(text, NULL);
727    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
728    TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefacePtr);
729
730    renderText(renderer, textArray + start, end - start, x, y, bidiFlags, paint, typeface);
731    env->ReleaseStringChars(text, textArray);
732}
733
734static void android_view_GLES20Canvas_drawTextArrayOnPath(JNIEnv* env, jobject clazz,
735        jlong rendererPtr, jcharArray text, jint index, jint count,
736        jlong pathPtr, jfloat hOffset, jfloat vOffset, jint bidiFlags, jlong paintPtr,
737        jlong typefacePtr) {
738    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
739    jchar* textArray = env->GetCharArrayElements(text, NULL);
740    SkPath* path = reinterpret_cast<SkPath*>(pathPtr);
741    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
742    TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefacePtr);
743
744    renderTextOnPath(renderer, textArray + index, count, path,
745            hOffset, vOffset, bidiFlags, paint, typeface);
746    env->ReleaseCharArrayElements(text, textArray, JNI_ABORT);
747}
748
749static void android_view_GLES20Canvas_drawTextOnPath(JNIEnv* env, jobject clazz,
750        jlong rendererPtr, jstring text, jint start, jint end,
751        jlong pathPtr, jfloat hOffset, jfloat vOffset, jint bidiFlags, jlong paintPtr,
752        jlong typefacePtr) {
753    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
754    const jchar* textArray = env->GetStringChars(text, NULL);
755    SkPath* path = reinterpret_cast<SkPath*>(pathPtr);
756    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
757    TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefacePtr);
758
759    renderTextOnPath(renderer, textArray + start, end - start, path,
760            hOffset, vOffset, bidiFlags, paint, typeface);
761    env->ReleaseStringChars(text, textArray);
762}
763
764static void android_view_GLES20Canvas_drawTextRunArray(JNIEnv* env, jobject clazz,
765        jlong rendererPtr, jcharArray text, jint index, jint count,
766        jint contextIndex, jint contextCount, jfloat x, jfloat y, jboolean isRtl,
767        jlong paintPtr, jlong typefacePtr) {
768    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
769    jchar* textArray = env->GetCharArrayElements(text, NULL);
770    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
771    TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefacePtr);
772
773    int bidiFlags = isRtl ? kBidi_Force_RTL : kBidi_Force_LTR;
774    renderTextRun(renderer, textArray + contextIndex, index - contextIndex,
775            count, contextCount, x, y, bidiFlags, paint, typeface);
776    env->ReleaseCharArrayElements(text, textArray, JNI_ABORT);
777 }
778
779static void android_view_GLES20Canvas_drawTextRun(JNIEnv* env, jobject clazz,
780        jlong rendererPtr, jstring text, jint start, jint end,
781        jint contextStart, int contextEnd, jfloat x, jfloat y, jboolean isRtl,
782        jlong paintPtr, jlong typefacePtr) {
783    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
784    const jchar* textArray = env->GetStringChars(text, NULL);
785    jint count = end - start;
786    jint contextCount = contextEnd - contextStart;
787    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
788    TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefacePtr);
789
790    int bidiFlags = isRtl ? kBidi_Force_RTL : kBidi_Force_LTR;
791    renderTextRun(renderer, textArray + contextStart, start - contextStart,
792            count, contextCount, x, y, bidiFlags, paint, typeface);
793    env->ReleaseStringChars(text, textArray);
794}
795
796// ----------------------------------------------------------------------------
797// Display lists
798// ----------------------------------------------------------------------------
799
800static jlong android_view_GLES20Canvas_finishRecording(JNIEnv* env,
801        jobject clazz, jlong rendererPtr) {
802    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
803    return reinterpret_cast<jlong>(renderer->finishRecording());
804}
805
806static jlong android_view_GLES20Canvas_createDisplayListRenderer(JNIEnv* env, jobject clazz) {
807    return reinterpret_cast<jlong>(new DisplayListRenderer);
808}
809
810static jint android_view_GLES20Canvas_drawRenderNode(JNIEnv* env,
811        jobject clazz, jlong rendererPtr, jlong renderNodePtr,
812        jobject dirty, jint flags) {
813    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
814    RenderNode* renderNode = reinterpret_cast<RenderNode*>(renderNodePtr);
815    android::uirenderer::Rect bounds;
816    status_t status = renderer->drawRenderNode(renderNode, bounds, flags);
817    if (status != DrawGlInfo::kStatusDone && dirty != NULL) {
818        env->CallVoidMethod(dirty, gRectClassInfo.set,
819                int(bounds.left), int(bounds.top), int(bounds.right), int(bounds.bottom));
820    }
821    return status;
822}
823
824// ----------------------------------------------------------------------------
825// Layers
826// ----------------------------------------------------------------------------
827
828static void android_view_GLES20Canvas_drawLayer(JNIEnv* env, jobject clazz,
829        jlong rendererPtr, jlong layerPtr, jfloat x, jfloat y) {
830    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
831    Layer* layer = reinterpret_cast<Layer*>(layerPtr);
832    renderer->drawLayer(layer, x, y);
833}
834
835#endif // USE_OPENGL_RENDERER
836
837// ----------------------------------------------------------------------------
838// Common
839// ----------------------------------------------------------------------------
840
841static jboolean android_view_GLES20Canvas_isAvailable(JNIEnv* env, jobject clazz) {
842#ifdef USE_OPENGL_RENDERER
843    char prop[PROPERTY_VALUE_MAX];
844    if (property_get("ro.kernel.qemu", prop, NULL) == 0) {
845        // not in the emulator
846        return JNI_TRUE;
847    }
848    // In the emulator this property will be set to 1 when hardware GLES is
849    // enabled, 0 otherwise. On old emulator versions it will be undefined.
850    property_get("ro.kernel.qemu.gles", prop, "0");
851    return atoi(prop) == 1 ? JNI_TRUE : JNI_FALSE;
852#else
853    return JNI_FALSE;
854#endif
855}
856
857// ----------------------------------------------------------------------------
858// Logging
859// ----------------------------------------------------------------------------
860
861static void
862android_app_ActivityThread_dumpGraphics(JNIEnv* env, jobject clazz, jobject javaFileDescriptor) {
863#ifdef USE_OPENGL_RENDERER
864    int fd = jniGetFDFromFileDescriptor(env, javaFileDescriptor);
865    android::uirenderer::renderthread::RenderProxy::outputLogBuffer(fd);
866#endif // USE_OPENGL_RENDERER
867}
868
869// ----------------------------------------------------------------------------
870// JNI Glue
871// ----------------------------------------------------------------------------
872
873const char* const kClassPathName = "android/view/GLES20Canvas";
874
875static JNINativeMethod gMethods[] = {
876    { "nIsAvailable",       "()Z",             (void*) android_view_GLES20Canvas_isAvailable },
877
878#ifdef USE_OPENGL_RENDERER
879
880    { "nDestroyRenderer",   "(J)V",            (void*) android_view_GLES20Canvas_destroyRenderer },
881    { "nSetViewport",       "(JII)V",          (void*) android_view_GLES20Canvas_setViewport },
882    { "nSetHighContrastText","(JZ)V",          (void*) android_view_GLES20Canvas_setHighContrastText },
883    { "nInsertReorderBarrier","(JZ)V",         (void*) android_view_GLES20Canvas_insertReorderBarrier },
884    { "nPrepare",           "(JZ)I",           (void*) android_view_GLES20Canvas_prepare },
885    { "nPrepareDirty",      "(JIIIIZ)I",       (void*) android_view_GLES20Canvas_prepareDirty },
886    { "nFinish",            "(J)V",            (void*) android_view_GLES20Canvas_finish },
887    { "nSetProperty",           "(Ljava/lang/String;Ljava/lang/String;)V",
888            (void*) android_view_GLES20Canvas_setProperty },
889
890    { "nCallDrawGLFunction", "(JJ)I",          (void*) android_view_GLES20Canvas_callDrawGLFunction },
891
892    { "nSave",              "(JI)I",           (void*) android_view_GLES20Canvas_save },
893    { "nRestore",           "(J)V",            (void*) android_view_GLES20Canvas_restore },
894    { "nRestoreToCount",    "(JI)V",           (void*) android_view_GLES20Canvas_restoreToCount },
895    { "nGetSaveCount",      "(J)I",            (void*) android_view_GLES20Canvas_getSaveCount },
896
897    { "nSaveLayer",         "(JFFFFJI)I",      (void*) android_view_GLES20Canvas_saveLayer },
898    { "nSaveLayer",         "(JJI)I",          (void*) android_view_GLES20Canvas_saveLayerClip },
899    { "nSaveLayerAlpha",    "(JFFFFII)I",      (void*) android_view_GLES20Canvas_saveLayerAlpha },
900    { "nSaveLayerAlpha",    "(JII)I",          (void*) android_view_GLES20Canvas_saveLayerAlphaClip },
901
902    { "nQuickReject",       "(JFFFF)Z",        (void*) android_view_GLES20Canvas_quickReject },
903    { "nClipRect",          "(JFFFFI)Z",       (void*) android_view_GLES20Canvas_clipRectF },
904    { "nClipRect",          "(JIIIII)Z",       (void*) android_view_GLES20Canvas_clipRect },
905    { "nClipPath",          "(JJI)Z",          (void*) android_view_GLES20Canvas_clipPath },
906    { "nClipRegion",        "(JJI)Z",          (void*) android_view_GLES20Canvas_clipRegion },
907
908    { "nTranslate",         "(JFF)V",          (void*) android_view_GLES20Canvas_translate },
909    { "nRotate",            "(JF)V",           (void*) android_view_GLES20Canvas_rotate },
910    { "nScale",             "(JFF)V",          (void*) android_view_GLES20Canvas_scale },
911    { "nSkew",              "(JFF)V",          (void*) android_view_GLES20Canvas_skew },
912
913    { "nSetMatrix",         "(JJ)V",           (void*) android_view_GLES20Canvas_setMatrix },
914    { "nGetMatrix",         "(JJ)V",           (void*) android_view_GLES20Canvas_getMatrix },
915    { "nConcatMatrix",      "(JJ)V",           (void*) android_view_GLES20Canvas_concatMatrix },
916
917    { "nDrawBitmap",        "(JJ[BFFJ)V",      (void*) android_view_GLES20Canvas_drawBitmap },
918    { "nDrawBitmap",        "(JJ[BFFFFFFFFJ)V",(void*) android_view_GLES20Canvas_drawBitmapRect },
919    { "nDrawBitmap",        "(JJ[BJJ)V",       (void*) android_view_GLES20Canvas_drawBitmapMatrix },
920    { "nDrawBitmap",        "(J[IIIFFIIZJ)V",  (void*) android_view_GLES20Canvas_drawBitmapData },
921
922    { "nDrawBitmapMesh",    "(JJ[BII[FI[IIJ)V",(void*) android_view_GLES20Canvas_drawBitmapMesh },
923
924    { "nDrawPatch",         "(JJ[BJFFFFJ)V",   (void*) android_view_GLES20Canvas_drawPatch },
925
926    { "nDrawColor",         "(JII)V",          (void*) android_view_GLES20Canvas_drawColor },
927    { "nDrawRect",          "(JFFFFJ)V",       (void*) android_view_GLES20Canvas_drawRect },
928    { "nDrawRects",         "(JJJ)V",          (void*) android_view_GLES20Canvas_drawRegionAsRects },
929    { "nDrawRoundRect",     "(JFFFFFFJ)V",     (void*) android_view_GLES20Canvas_drawRoundRect },
930    { "nDrawRoundRect",     "(JJJJJJJJ)V",     (void*) android_view_GLES20Canvas_drawRoundRectProps },
931    { "nDrawCircle",        "(JFFFJ)V",        (void*) android_view_GLES20Canvas_drawCircle },
932    { "nDrawCircle",        "(JJJJJ)V",        (void*) android_view_GLES20Canvas_drawCircleProps },
933    { "nDrawOval",          "(JFFFFJ)V",       (void*) android_view_GLES20Canvas_drawOval },
934    { "nDrawArc",           "(JFFFFFFZJ)V",    (void*) android_view_GLES20Canvas_drawArc },
935    { "nDrawPoints",        "(J[FIIJ)V",       (void*) android_view_GLES20Canvas_drawPoints },
936
937    { "nDrawPath",          "(JJJ)V",          (void*) android_view_GLES20Canvas_drawPath },
938    { "nDrawLines",         "(J[FIIJ)V",       (void*) android_view_GLES20Canvas_drawLines },
939
940    { "nSetupPaintFilter",  "(JII)V",          (void*) android_view_GLES20Canvas_setupPaintFilter },
941    { "nResetPaintFilter",  "(J)V",            (void*) android_view_GLES20Canvas_resetPaintFilter },
942
943    { "nDrawText",          "(J[CIIFFIJJ)V",   (void*) android_view_GLES20Canvas_drawTextArray },
944    { "nDrawText",          "(JLjava/lang/String;IIFFIJJ)V",
945            (void*) android_view_GLES20Canvas_drawText },
946
947    { "nDrawTextOnPath",    "(J[CIIJFFIJJ)V",  (void*) android_view_GLES20Canvas_drawTextArrayOnPath },
948    { "nDrawTextOnPath",    "(JLjava/lang/String;IIJFFIJJ)V",
949            (void*) android_view_GLES20Canvas_drawTextOnPath },
950
951    { "nDrawTextRun",       "(J[CIIIIFFZJJ)V",  (void*) android_view_GLES20Canvas_drawTextRunArray },
952    { "nDrawTextRun",       "(JLjava/lang/String;IIIIFFZJJ)V",
953            (void*) android_view_GLES20Canvas_drawTextRun },
954
955    { "nGetClipBounds",     "(JLandroid/graphics/Rect;)Z", (void*) android_view_GLES20Canvas_getClipBounds },
956
957    { "nFinishRecording",   "(J)J",      (void*) android_view_GLES20Canvas_finishRecording },
958    { "nDrawRenderNode",    "(JJLandroid/graphics/Rect;I)I", (void*) android_view_GLES20Canvas_drawRenderNode },
959
960    { "nCreateDisplayListRenderer", "()J",     (void*) android_view_GLES20Canvas_createDisplayListRenderer },
961
962    { "nDrawLayer",              "(JJFF)V",    (void*) android_view_GLES20Canvas_drawLayer },
963
964    { "nGetMaximumTextureWidth",  "()I",       (void*) android_view_GLES20Canvas_getMaxTextureWidth },
965    { "nGetMaximumTextureHeight", "()I",       (void*) android_view_GLES20Canvas_getMaxTextureHeight },
966
967#endif
968};
969
970static JNINativeMethod gActivityThreadMethods[] = {
971    { "dumpGraphicsInfo",        "(Ljava/io/FileDescriptor;)V",
972                                               (void*) android_app_ActivityThread_dumpGraphics }
973};
974
975
976#ifdef USE_OPENGL_RENDERER
977    #define FIND_CLASS(var, className) \
978            var = env->FindClass(className); \
979            LOG_FATAL_IF(! var, "Unable to find class " className);
980
981    #define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) \
982            var = env->GetMethodID(clazz, methodName, methodDescriptor); \
983            LOG_FATAL_IF(! var, "Unable to find method " methodName);
984#else
985    #define FIND_CLASS(var, className)
986    #define GET_METHOD_ID(var, clazz, methodName, methodDescriptor)
987#endif
988
989int register_android_view_GLES20Canvas(JNIEnv* env) {
990    jclass clazz;
991    FIND_CLASS(clazz, "android/graphics/Rect");
992    GET_METHOD_ID(gRectClassInfo.set, clazz, "set", "(IIII)V");
993
994    return AndroidRuntime::registerNativeMethods(env, kClassPathName, gMethods, NELEM(gMethods));
995}
996
997const char* const kActivityThreadPathName = "android/app/ActivityThread";
998
999int register_android_app_ActivityThread(JNIEnv* env) {
1000    return AndroidRuntime::registerNativeMethods(env, kActivityThreadPathName,
1001            gActivityThreadMethods, NELEM(gActivityThreadMethods));
1002}
1003
1004};
1005