android_view_GLES20Canvas.cpp revision 4678dcc5524258908eadc5fe1e5e1874768967eb 
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
175static void android_view_GLES20Canvas_setOverrideXfermode(JNIEnv* env, jobject clazz,
176        jlong rendererPtr, int xfermode) {
177    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
178    renderer->setOverrideXfermode(xfermode);
179}
180
181// ----------------------------------------------------------------------------
182// State
183// ----------------------------------------------------------------------------
184
185static jint android_view_GLES20Canvas_save(JNIEnv* env, jobject clazz, jlong rendererPtr,
186        jint flags) {
187    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
188    return renderer->save(flags);
189}
190
191static jint android_view_GLES20Canvas_getSaveCount(JNIEnv* env, jobject clazz,
192        jlong rendererPtr) {
193    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
194    return renderer->getSaveCount();
195}
196
197static void android_view_GLES20Canvas_restore(JNIEnv* env, jobject clazz,
198        jlong rendererPtr) {
199    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
200    renderer->restore();
201}
202
203static void android_view_GLES20Canvas_restoreToCount(JNIEnv* env, jobject clazz,
204        jlong rendererPtr, jint saveCount) {
205    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
206    renderer->restoreToCount(saveCount);
207}
208
209// ----------------------------------------------------------------------------
210// Layers
211// ----------------------------------------------------------------------------
212
213static jint android_view_GLES20Canvas_saveLayer(JNIEnv* env, jobject clazz,
214        jlong rendererPtr, jfloat left, jfloat top, jfloat right, jfloat bottom,
215        jlong paintPtr, jint saveFlags) {
216    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
217    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
218    return renderer->saveLayer(left, top, right, bottom, paint, saveFlags);
219}
220
221static jint android_view_GLES20Canvas_saveLayerClip(JNIEnv* env, jobject clazz,
222        jlong rendererPtr, jlong paintPtr, jint saveFlags) {
223    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
224    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
225    const android::uirenderer::Rect& bounds(renderer->getLocalClipBounds());
226    return renderer->saveLayer(bounds.left, bounds.top, bounds.right, bounds.bottom,
227            paint, saveFlags);
228}
229
230static jint android_view_GLES20Canvas_saveLayerAlpha(JNIEnv* env, jobject clazz,
231        jlong rendererPtr, jfloat left, jfloat top, jfloat right, jfloat bottom,
232        jint alpha, jint saveFlags) {
233    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
234    return renderer->saveLayerAlpha(left, top, right, bottom, alpha, saveFlags);
235}
236
237static jint android_view_GLES20Canvas_saveLayerAlphaClip(JNIEnv* env, jobject clazz,
238        jlong rendererPtr, jint alpha, jint saveFlags) {
239    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
240    const android::uirenderer::Rect& bounds(renderer->getLocalClipBounds());
241    return renderer->saveLayerAlpha(bounds.left, bounds.top, bounds.right, bounds.bottom,
242            alpha, saveFlags);
243}
244
245// ----------------------------------------------------------------------------
246// Clipping
247// ----------------------------------------------------------------------------
248
249static jboolean android_view_GLES20Canvas_quickReject(JNIEnv* env, jobject clazz,
250        jlong rendererPtr, jfloat left, jfloat top, jfloat right, jfloat bottom) {
251    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
252    const bool result = renderer->quickRejectConservative(left, top, right, bottom);
253    return result ? JNI_TRUE : JNI_FALSE;
254}
255
256static jboolean android_view_GLES20Canvas_clipRectF(JNIEnv* env, jobject clazz,
257        jlong rendererPtr, jfloat left, jfloat top, jfloat right, jfloat bottom,
258        jint op) {
259    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
260    const bool result = renderer->clipRect(left, top, right, bottom,
261                                           static_cast<SkRegion::Op>(op));
262    return result ? JNI_TRUE : JNI_FALSE;
263}
264
265static jboolean android_view_GLES20Canvas_clipRect(JNIEnv* env, jobject clazz,
266        jlong rendererPtr, jint left, jint top, jint right, jint bottom,
267        jint op) {
268    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
269    const bool result = renderer->clipRect(float(left), float(top), float(right),
270                                           float(bottom),
271                                           static_cast<SkRegion::Op>(op));
272    return result ? JNI_TRUE : JNI_FALSE;
273}
274
275static jboolean android_view_GLES20Canvas_clipPath(JNIEnv* env, jobject clazz,
276        jlong rendererPtr, jlong pathPtr, jint op) {
277    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
278    SkPath* path = reinterpret_cast<SkPath*>(pathPtr);
279    const bool result = renderer->clipPath(path, static_cast<SkRegion::Op>(op));
280    return result ? JNI_TRUE : JNI_FALSE;
281}
282
283static jboolean android_view_GLES20Canvas_clipRegion(JNIEnv* env, jobject clazz,
284        jlong rendererPtr, jlong regionPtr, jint op) {
285    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
286    SkRegion* region = reinterpret_cast<SkRegion*>(regionPtr);
287    const bool result = renderer->clipRegion(region, static_cast<SkRegion::Op>(op));
288    return result ? JNI_TRUE : JNI_FALSE;
289}
290
291static jboolean android_view_GLES20Canvas_getClipBounds(JNIEnv* env, jobject clazz,
292        jlong rendererPtr, jobject rect) {
293    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
294    const android::uirenderer::Rect& bounds(renderer->getLocalClipBounds());
295
296    env->CallVoidMethod(rect, gRectClassInfo.set,
297            int(bounds.left), int(bounds.top), int(bounds.right), int(bounds.bottom));
298
299    return !bounds.isEmpty() ? JNI_TRUE : JNI_FALSE;
300}
301
302// ----------------------------------------------------------------------------
303// Transforms
304// ----------------------------------------------------------------------------
305
306static void android_view_GLES20Canvas_translate(JNIEnv* env, jobject clazz,
307        jlong rendererPtr, jfloat dx, jfloat dy) {
308    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
309    renderer->translate(dx, dy);
310}
311
312static void android_view_GLES20Canvas_rotate(JNIEnv* env, jobject clazz,
313        jlong rendererPtr, jfloat degrees) {
314    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
315    renderer->rotate(degrees);
316}
317
318static void android_view_GLES20Canvas_scale(JNIEnv* env, jobject clazz,
319        jlong rendererPtr, jfloat sx, jfloat sy) {
320    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
321    renderer->scale(sx, sy);
322}
323
324static void android_view_GLES20Canvas_skew(JNIEnv* env, jobject clazz,
325        jlong rendererPtr, jfloat sx, jfloat sy) {
326    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
327    renderer->skew(sx, sy);
328}
329
330static void android_view_GLES20Canvas_setMatrix(JNIEnv* env, jobject clazz,
331        jlong rendererPtr, jlong matrixPtr) {
332    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
333    SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixPtr);
334    renderer->setMatrix(matrix ? *matrix : SkMatrix::I());
335}
336
337static void android_view_GLES20Canvas_getMatrix(JNIEnv* env, jobject clazz,
338        jlong rendererPtr, jlong matrixPtr) {
339    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
340    SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixPtr);
341    renderer->getMatrix(matrix);
342}
343
344static void android_view_GLES20Canvas_concatMatrix(JNIEnv* env, jobject clazz,
345        jlong rendererPtr, jlong matrixPtr) {
346    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
347    SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixPtr);
348    renderer->concatMatrix(*matrix);
349}
350
351// ----------------------------------------------------------------------------
352// Drawing
353// ----------------------------------------------------------------------------
354
355static void android_view_GLES20Canvas_drawBitmap(JNIEnv* env, jobject clazz,
356        jlong rendererPtr, jlong bitmapPtr, jbyteArray buffer,
357        jfloat left, jfloat top, 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    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
364
365    // apply transform directly to canvas, so it affects shaders correctly
366    renderer->save(SkCanvas::kMatrix_SaveFlag);
367    renderer->translate(left, top);
368    renderer->drawBitmap(bitmap, paint);
369    renderer->restore();
370}
371
372static void android_view_GLES20Canvas_drawBitmapRect(JNIEnv* env, jobject clazz,
373        jlong rendererPtr, jlong bitmapPtr, jbyteArray buffer,
374        float srcLeft, float srcTop, float srcRight, float srcBottom,
375        float dstLeft, float dstTop, float dstRight, float dstBottom, jlong paintPtr) {
376    SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapPtr);
377    // This object allows the renderer to allocate a global JNI ref to the buffer object.
378    JavaHeapBitmapRef bitmapRef(env, bitmap, buffer);
379
380    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
381    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
382    renderer->drawBitmap(bitmap, srcLeft, srcTop, srcRight, srcBottom,
383            dstLeft, dstTop, dstRight, dstBottom, paint);
384}
385
386static void android_view_GLES20Canvas_drawBitmapMatrix(JNIEnv* env, jobject clazz,
387        jlong rendererPtr, jlong bitmapPtr, jbyteArray buffer,
388        jlong matrixPtr, jlong paintPtr) {
389    SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapPtr);
390    // This object allows the renderer to allocate a global JNI ref to the buffer object.
391    JavaHeapBitmapRef bitmapRef(env, bitmap, buffer);
392
393    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
394    SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixPtr);
395    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
396
397    // apply transform directly to canvas, so it affects shaders correctly
398    renderer->save(SkCanvas::kMatrix_SaveFlag);
399    renderer->concatMatrix(*matrix);
400    renderer->drawBitmap(bitmap, paint);
401    renderer->restore();
402}
403
404static void android_view_GLES20Canvas_drawBitmapData(JNIEnv* env, jobject clazz,
405        jlong rendererPtr, jintArray colors, jint offset, jint stride,
406        jfloat left, jfloat top, jint width, jint height, jboolean hasAlpha, jlong paintPtr) {
407    // Note: If hasAlpha is false, kRGB_565_SkColorType will be used, which will
408    // correct the alphaType to kOpaque_SkAlphaType.
409    const SkImageInfo info = SkImageInfo::Make(width, height,
410                               hasAlpha ? kN32_SkColorType : kRGB_565_SkColorType,
411                               kPremul_SkAlphaType);
412    SkBitmap* bitmap = new SkBitmap;
413    if (!bitmap->allocPixels(info)) {
414        delete bitmap;
415        return;
416    }
417
418    if (!GraphicsJNI::SetPixels(env, colors, offset, stride, 0, 0, width, height, *bitmap)) {
419        delete bitmap;
420        return;
421    }
422
423    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
424    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
425
426    // apply transform directly to canvas, so it affects shaders correctly
427    renderer->save(SkCanvas::kMatrix_SaveFlag);
428    renderer->translate(left, top);
429    renderer->drawBitmapData(bitmap, paint);
430    renderer->restore();
431
432    // Note - bitmap isn't deleted as DisplayListRenderer owns it now
433}
434
435static void android_view_GLES20Canvas_drawBitmapMesh(JNIEnv* env, jobject clazz,
436        jlong rendererPtr, jlong bitmapPtr, jbyteArray buffer,
437        jint meshWidth, jint meshHeight, jfloatArray vertices, jint offset, jintArray colors,
438        jint colorOffset, jlong paintPtr) {
439    SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapPtr);
440    // This object allows the renderer to allocate a global JNI ref to the buffer object.
441    JavaHeapBitmapRef bitmapRef(env, bitmap, buffer);
442
443    jfloat* verticesArray = vertices ? env->GetFloatArrayElements(vertices, NULL) + offset : NULL;
444    jint* colorsArray = colors ? env->GetIntArrayElements(colors, NULL) + colorOffset : NULL;
445
446    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
447    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
448    renderer->drawBitmapMesh(bitmap, meshWidth, meshHeight, verticesArray, colorsArray, paint);
449
450    if (vertices) env->ReleaseFloatArrayElements(vertices, verticesArray, 0);
451    if (colors) env->ReleaseIntArrayElements(colors, colorsArray, 0);
452}
453
454static void android_view_GLES20Canvas_drawPatch(JNIEnv* env, jobject clazz,
455        jlong rendererPtr, jlong bitmapPtr, jbyteArray buffer, jlong patchPtr,
456        float left, float top, float right, float bottom, jlong paintPtr) {
457    SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapPtr);
458    // This object allows the renderer to allocate a global JNI ref to the buffer object.
459    JavaHeapBitmapRef bitmapRef(env, bitmap, buffer);
460
461    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
462    Res_png_9patch* patch = reinterpret_cast<Res_png_9patch*>(patchPtr);
463    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
464    renderer->drawPatch(bitmap, patch, left, top, right, bottom, paint);
465}
466
467static void android_view_GLES20Canvas_drawColor(JNIEnv* env, jobject clazz,
468        jlong rendererPtr, jint color, jint modeHandle) {
469    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
470    SkPorterDuff::Mode mode = static_cast<SkPorterDuff::Mode>(modeHandle);
471    renderer->drawColor(color, SkPorterDuff::ToXfermodeMode(mode));
472}
473
474static void android_view_GLES20Canvas_drawRect(JNIEnv* env, jobject clazz,
475        jlong rendererPtr, jfloat left, jfloat top, jfloat right, jfloat bottom,
476        jlong paintPtr) {
477    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
478    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
479    renderer->drawRect(left, top, right, bottom, paint);
480}
481
482static void android_view_GLES20Canvas_drawRoundRect(JNIEnv* env, jobject clazz,
483        jlong rendererPtr, jfloat left, jfloat top, jfloat right, jfloat bottom,
484        jfloat rx, jfloat ry, jlong paintPtr) {
485    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
486    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
487    renderer->drawRoundRect(left, top, right, bottom, rx, ry, paint);
488}
489
490static void android_view_GLES20Canvas_drawRoundRectProps(JNIEnv* env, jobject clazz,
491        jlong rendererPtr, jlong leftPropPtr, jlong topPropPtr, jlong rightPropPtr,
492        jlong bottomPropPtr, jlong rxPropPtr, jlong ryPropPtr, jlong paintPropPtr) {
493    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
494    CanvasPropertyPrimitive* leftProp = reinterpret_cast<CanvasPropertyPrimitive*>(leftPropPtr);
495    CanvasPropertyPrimitive* topProp = reinterpret_cast<CanvasPropertyPrimitive*>(topPropPtr);
496    CanvasPropertyPrimitive* rightProp = reinterpret_cast<CanvasPropertyPrimitive*>(rightPropPtr);
497    CanvasPropertyPrimitive* bottomProp = reinterpret_cast<CanvasPropertyPrimitive*>(bottomPropPtr);
498    CanvasPropertyPrimitive* rxProp = reinterpret_cast<CanvasPropertyPrimitive*>(rxPropPtr);
499    CanvasPropertyPrimitive* ryProp = reinterpret_cast<CanvasPropertyPrimitive*>(ryPropPtr);
500    CanvasPropertyPaint* paintProp = reinterpret_cast<CanvasPropertyPaint*>(paintPropPtr);
501    renderer->drawRoundRect(leftProp, topProp, rightProp, bottomProp, rxProp, ryProp, paintProp);
502}
503
504static void android_view_GLES20Canvas_drawCircle(JNIEnv* env, jobject clazz,
505        jlong rendererPtr, jfloat x, jfloat y, jfloat radius, jlong paintPtr) {
506    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
507    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
508    renderer->drawCircle(x, y, radius, paint);
509}
510
511static void android_view_GLES20Canvas_drawCircleProps(JNIEnv* env, jobject clazz,
512        jlong rendererPtr, jlong xPropPtr, jlong yPropPtr, jlong radiusPropPtr, jlong paintPropPtr) {
513    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
514    CanvasPropertyPrimitive* xProp = reinterpret_cast<CanvasPropertyPrimitive*>(xPropPtr);
515    CanvasPropertyPrimitive* yProp = reinterpret_cast<CanvasPropertyPrimitive*>(yPropPtr);
516    CanvasPropertyPrimitive* radiusProp = reinterpret_cast<CanvasPropertyPrimitive*>(radiusPropPtr);
517    CanvasPropertyPaint* paintProp = reinterpret_cast<CanvasPropertyPaint*>(paintPropPtr);
518    renderer->drawCircle(xProp, yProp, radiusProp, paintProp);
519}
520
521static void android_view_GLES20Canvas_drawOval(JNIEnv* env, jobject clazz,
522        jlong rendererPtr, jfloat left, jfloat top, jfloat right, jfloat bottom,
523        jlong paintPtr) {
524    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
525    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
526    renderer->drawOval(left, top, right, bottom, paint);
527}
528
529static void android_view_GLES20Canvas_drawArc(JNIEnv* env, jobject clazz,
530        jlong rendererPtr, jfloat left, jfloat top, jfloat right, jfloat bottom,
531        jfloat startAngle, jfloat sweepAngle, jboolean useCenter, jlong paintPtr) {
532    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
533    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
534    renderer->drawArc(left, top, right, bottom, startAngle, sweepAngle, useCenter, paint);
535}
536
537static void android_view_GLES20Canvas_drawRegionAsRects(JNIEnv* env, jobject clazz,
538        jlong rendererPtr, jlong regionPtr, jlong paintPtr) {
539    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
540    SkRegion* region = reinterpret_cast<SkRegion*>(regionPtr);
541    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
542    if (paint->getStyle() != Paint::kFill_Style ||
543            (paint->isAntiAlias() && !renderer->isCurrentTransformSimple())) {
544        SkRegion::Iterator it(*region);
545        while (!it.done()) {
546            const SkIRect& r = it.rect();
547            renderer->drawRect(r.fLeft, r.fTop, r.fRight, r.fBottom, paint);
548            it.next();
549        }
550    } else {
551        int count = 0;
552        Vector<float> rects;
553        SkRegion::Iterator it(*region);
554        while (!it.done()) {
555            const SkIRect& r = it.rect();
556            rects.push(r.fLeft);
557            rects.push(r.fTop);
558            rects.push(r.fRight);
559            rects.push(r.fBottom);
560            count += 4;
561            it.next();
562        }
563        renderer->drawRects(rects.array(), count, paint);
564    }
565}
566
567static void android_view_GLES20Canvas_drawPoints(JNIEnv* env, jobject clazz,
568        jlong rendererPtr, jfloatArray points, jint offset, jint count, jlong paintPtr) {
569    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
570    jfloat* storage = env->GetFloatArrayElements(points, NULL);
571    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
572    renderer->drawPoints(storage + offset, count, paint);
573    env->ReleaseFloatArrayElements(points, storage, 0);
574}
575
576static void android_view_GLES20Canvas_drawPath(JNIEnv* env, jobject clazz,
577        jlong rendererPtr, jlong pathPtr, jlong paintPtr) {
578    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
579    SkPath* path = reinterpret_cast<SkPath*>(pathPtr);
580    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
581    renderer->drawPath(path, paint);
582}
583
584static void android_view_GLES20Canvas_drawLines(JNIEnv* env, jobject clazz,
585        jlong rendererPtr, jfloatArray points, jint offset, jint count, jlong paintPtr) {
586    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
587    jfloat* storage = env->GetFloatArrayElements(points, NULL);
588    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
589    renderer->drawLines(storage + offset, count, paint);
590    env->ReleaseFloatArrayElements(points, storage, 0);
591}
592
593// ----------------------------------------------------------------------------
594// Draw filters
595// ----------------------------------------------------------------------------
596
597static void android_view_GLES20Canvas_setupPaintFilter(JNIEnv* env, jobject clazz,
598        jlong rendererPtr, jint clearBits, jint setBits) {
599    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
600    renderer->setupPaintFilter(clearBits, setBits);
601}
602
603static void android_view_GLES20Canvas_resetPaintFilter(JNIEnv* env, jobject clazz,
604        jlong rendererPtr) {
605    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
606    renderer->resetPaintFilter();
607}
608
609// ----------------------------------------------------------------------------
610// Text
611// ----------------------------------------------------------------------------
612
613class RenderTextFunctor {
614public:
615    RenderTextFunctor(const Layout& layout, DisplayListRenderer* renderer, jfloat x, jfloat y,
616                Paint* paint, uint16_t* glyphs, float* pos, float totalAdvance,
617                uirenderer::Rect& bounds)
618            : layout(layout), renderer(renderer), x(x), y(y), paint(paint), glyphs(glyphs),
619            pos(pos), totalAdvance(totalAdvance), bounds(bounds) { }
620    void operator()(size_t start, size_t end) {
621        for (size_t i = start; i < end; i++) {
622            glyphs[i] = layout.getGlyphId(i);
623            pos[2 * i] = layout.getX(i);
624            pos[2 * i + 1] = layout.getY(i);
625        }
626        size_t glyphsCount = end - start;
627        int bytesCount = glyphsCount * sizeof(jchar);
628        renderer->drawText((const char*) (glyphs + start), bytesCount, glyphsCount,
629            x, y, pos + 2 * start, paint, totalAdvance, bounds);
630    }
631private:
632    const Layout& layout;
633    DisplayListRenderer* renderer;
634    jfloat x;
635    jfloat y;
636    Paint* paint;
637    uint16_t* glyphs;
638    float* pos;
639    float totalAdvance;
640    uirenderer::Rect& bounds;
641};
642
643static void renderTextLayout(DisplayListRenderer* renderer, Layout* layout,
644    jfloat x, jfloat y, Paint* paint) {
645    size_t nGlyphs = layout->nGlyphs();
646    float* pos = new float[nGlyphs * 2];
647    uint16_t* glyphs = new uint16_t[nGlyphs];
648    MinikinRect b;
649    layout->getBounds(&b);
650    android::uirenderer::Rect bounds(b.mLeft, b.mTop, b.mRight, b.mBottom);
651    bounds.translate(x, y);
652    float totalAdvance = layout->getAdvance();
653
654    RenderTextFunctor f(*layout, renderer, x, y, paint, glyphs, pos, totalAdvance, bounds);
655    MinikinUtils::forFontRun(*layout, paint, f);
656    delete[] glyphs;
657    delete[] pos;
658}
659
660static void renderText(DisplayListRenderer* renderer, const jchar* text, int count,
661        jfloat x, jfloat y, int bidiFlags, Paint* paint, TypefaceImpl* typeface) {
662    Layout layout;
663    MinikinUtils::doLayout(&layout, paint, bidiFlags, typeface, text, 0, count, count);
664    x += MinikinUtils::xOffsetForTextAlign(paint, layout);
665    renderTextLayout(renderer, &layout, x, y, paint);
666}
667
668class RenderTextOnPathFunctor {
669public:
670    RenderTextOnPathFunctor(const Layout& layout, DisplayListRenderer* renderer, float hOffset,
671                float vOffset, Paint* paint, SkPath* path)
672            : layout(layout), renderer(renderer), hOffset(hOffset), vOffset(vOffset),
673                paint(paint), path(path) {
674    }
675    void operator()(size_t start, size_t end) {
676        uint16_t glyphs[1];
677        for (size_t i = start; i < end; i++) {
678            glyphs[0] = layout.getGlyphId(i);
679            float x = hOffset + layout.getX(i);
680            float y = vOffset + layout.getY(i);
681            renderer->drawTextOnPath((const char*) glyphs, sizeof(glyphs), 1, path, x, y, paint);
682        }
683    }
684private:
685    const Layout& layout;
686    DisplayListRenderer* renderer;
687    float hOffset;
688    float vOffset;
689    Paint* paint;
690    SkPath* path;
691};
692
693static void renderTextOnPath(DisplayListRenderer* renderer, const jchar* text, int count,
694        SkPath* path, jfloat hOffset, jfloat vOffset, int bidiFlags, Paint* paint,
695        TypefaceImpl* typeface) {
696    Layout layout;
697    MinikinUtils::doLayout(&layout, paint, bidiFlags, typeface, text, 0, count, count);
698    hOffset += MinikinUtils::hOffsetForTextAlign(paint, layout, *path);
699    Paint::Align align = paint->getTextAlign();
700    paint->setTextAlign(Paint::kLeft_Align);
701
702    RenderTextOnPathFunctor f(layout, renderer, hOffset, vOffset, paint, path);
703    MinikinUtils::forFontRun(layout, paint, f);
704    paint->setTextAlign(align);
705}
706
707static void renderTextRun(DisplayListRenderer* renderer, const jchar* text,
708        jint start, jint count, jint contextCount, jfloat x, jfloat y,
709        int bidiFlags, Paint* paint, TypefaceImpl* typeface) {
710    Layout layout;
711    MinikinUtils::doLayout(&layout, paint, bidiFlags, typeface, text, start, count, contextCount);
712    x += MinikinUtils::xOffsetForTextAlign(paint, layout);
713    renderTextLayout(renderer, &layout, x, y, paint);
714}
715
716static void android_view_GLES20Canvas_drawTextArray(JNIEnv* env, jobject clazz,
717        jlong rendererPtr, jcharArray text, jint index, jint count,
718        jfloat x, jfloat y, jint bidiFlags, jlong paintPtr, jlong typefacePtr) {
719    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
720    jchar* textArray = env->GetCharArrayElements(text, NULL);
721    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
722    TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefacePtr);
723
724    renderText(renderer, textArray + index, count, x, y, bidiFlags, paint, typeface);
725    env->ReleaseCharArrayElements(text, textArray, JNI_ABORT);
726}
727
728static void android_view_GLES20Canvas_drawText(JNIEnv* env, jobject clazz,
729        jlong rendererPtr, jstring text, jint start, jint end,
730        jfloat x, jfloat y, jint bidiFlags, jlong paintPtr, jlong typefacePtr) {
731    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
732    const jchar* textArray = env->GetStringChars(text, NULL);
733    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
734    TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefacePtr);
735
736    renderText(renderer, textArray + start, end - start, x, y, bidiFlags, paint, typeface);
737    env->ReleaseStringChars(text, textArray);
738}
739
740static void android_view_GLES20Canvas_drawTextArrayOnPath(JNIEnv* env, jobject clazz,
741        jlong rendererPtr, jcharArray text, jint index, jint count,
742        jlong pathPtr, jfloat hOffset, jfloat vOffset, jint bidiFlags, jlong paintPtr,
743        jlong typefacePtr) {
744    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
745    jchar* textArray = env->GetCharArrayElements(text, NULL);
746    SkPath* path = reinterpret_cast<SkPath*>(pathPtr);
747    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
748    TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefacePtr);
749
750    renderTextOnPath(renderer, textArray + index, count, path,
751            hOffset, vOffset, bidiFlags, paint, typeface);
752    env->ReleaseCharArrayElements(text, textArray, JNI_ABORT);
753}
754
755static void android_view_GLES20Canvas_drawTextOnPath(JNIEnv* env, jobject clazz,
756        jlong rendererPtr, jstring text, jint start, jint end,
757        jlong pathPtr, jfloat hOffset, jfloat vOffset, jint bidiFlags, jlong paintPtr,
758        jlong typefacePtr) {
759    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
760    const jchar* textArray = env->GetStringChars(text, NULL);
761    SkPath* path = reinterpret_cast<SkPath*>(pathPtr);
762    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
763    TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefacePtr);
764
765    renderTextOnPath(renderer, textArray + start, end - start, path,
766            hOffset, vOffset, bidiFlags, paint, typeface);
767    env->ReleaseStringChars(text, textArray);
768}
769
770static void android_view_GLES20Canvas_drawTextRunArray(JNIEnv* env, jobject clazz,
771        jlong rendererPtr, jcharArray text, jint index, jint count,
772        jint contextIndex, jint contextCount, jfloat x, jfloat y, jboolean isRtl,
773        jlong paintPtr, jlong typefacePtr) {
774    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
775    jchar* textArray = env->GetCharArrayElements(text, NULL);
776    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
777    TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefacePtr);
778
779    int bidiFlags = isRtl ? kBidi_Force_RTL : kBidi_Force_LTR;
780    renderTextRun(renderer, textArray + contextIndex, index - contextIndex,
781            count, contextCount, x, y, bidiFlags, paint, typeface);
782    env->ReleaseCharArrayElements(text, textArray, JNI_ABORT);
783 }
784
785static void android_view_GLES20Canvas_drawTextRun(JNIEnv* env, jobject clazz,
786        jlong rendererPtr, jstring text, jint start, jint end,
787        jint contextStart, int contextEnd, jfloat x, jfloat y, jboolean isRtl,
788        jlong paintPtr, jlong typefacePtr) {
789    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
790    const jchar* textArray = env->GetStringChars(text, NULL);
791    jint count = end - start;
792    jint contextCount = contextEnd - contextStart;
793    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
794    TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefacePtr);
795
796    int bidiFlags = isRtl ? kBidi_Force_RTL : kBidi_Force_LTR;
797    renderTextRun(renderer, textArray + contextStart, start - contextStart,
798            count, contextCount, x, y, bidiFlags, paint, typeface);
799    env->ReleaseStringChars(text, textArray);
800}
801
802// ----------------------------------------------------------------------------
803// Display lists
804// ----------------------------------------------------------------------------
805
806static jlong android_view_GLES20Canvas_finishRecording(JNIEnv* env,
807        jobject clazz, jlong rendererPtr) {
808    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
809    return reinterpret_cast<jlong>(renderer->finishRecording());
810}
811
812static jlong android_view_GLES20Canvas_createDisplayListRenderer(JNIEnv* env, jobject clazz) {
813    return reinterpret_cast<jlong>(new DisplayListRenderer);
814}
815
816static jint android_view_GLES20Canvas_drawRenderNode(JNIEnv* env,
817        jobject clazz, jlong rendererPtr, jlong renderNodePtr,
818        jobject dirty, jint flags) {
819    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
820    RenderNode* renderNode = reinterpret_cast<RenderNode*>(renderNodePtr);
821    android::uirenderer::Rect bounds;
822    status_t status = renderer->drawRenderNode(renderNode, bounds, flags);
823    if (status != DrawGlInfo::kStatusDone && dirty != NULL) {
824        env->CallVoidMethod(dirty, gRectClassInfo.set,
825                int(bounds.left), int(bounds.top), int(bounds.right), int(bounds.bottom));
826    }
827    return status;
828}
829
830// ----------------------------------------------------------------------------
831// Layers
832// ----------------------------------------------------------------------------
833
834static void android_view_GLES20Canvas_drawLayer(JNIEnv* env, jobject clazz,
835        jlong rendererPtr, jlong layerPtr, jfloat x, jfloat y) {
836    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
837    DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerPtr);
838    renderer->drawLayer(layer, x, y);
839}
840
841#endif // USE_OPENGL_RENDERER
842
843// ----------------------------------------------------------------------------
844// Common
845// ----------------------------------------------------------------------------
846
847static jboolean android_view_GLES20Canvas_isAvailable(JNIEnv* env, jobject clazz) {
848#ifdef USE_OPENGL_RENDERER
849    char prop[PROPERTY_VALUE_MAX];
850    if (property_get("ro.kernel.qemu", prop, NULL) == 0) {
851        // not in the emulator
852        return JNI_TRUE;
853    }
854    // In the emulator this property will be set to 1 when hardware GLES is
855    // enabled, 0 otherwise. On old emulator versions it will be undefined.
856    property_get("ro.kernel.qemu.gles", prop, "0");
857    return atoi(prop) == 1 ? JNI_TRUE : JNI_FALSE;
858#else
859    return JNI_FALSE;
860#endif
861}
862
863// ----------------------------------------------------------------------------
864// Logging
865// ----------------------------------------------------------------------------
866
867static void
868android_app_ActivityThread_dumpGraphics(JNIEnv* env, jobject clazz, jobject javaFileDescriptor) {
869#ifdef USE_OPENGL_RENDERER
870    int fd = jniGetFDFromFileDescriptor(env, javaFileDescriptor);
871    android::uirenderer::renderthread::RenderProxy::outputLogBuffer(fd);
872#endif // USE_OPENGL_RENDERER
873}
874
875// ----------------------------------------------------------------------------
876// JNI Glue
877// ----------------------------------------------------------------------------
878
879const char* const kClassPathName = "android/view/GLES20Canvas";
880
881static JNINativeMethod gMethods[] = {
882    { "nIsAvailable",       "()Z",             (void*) android_view_GLES20Canvas_isAvailable },
883
884#ifdef USE_OPENGL_RENDERER
885
886    { "nDestroyRenderer",   "(J)V",            (void*) android_view_GLES20Canvas_destroyRenderer },
887    { "nSetViewport",       "(JII)V",          (void*) android_view_GLES20Canvas_setViewport },
888    { "nSetHighContrastText","(JZ)V",          (void*) android_view_GLES20Canvas_setHighContrastText },
889    { "nInsertReorderBarrier","(JZ)V",         (void*) android_view_GLES20Canvas_insertReorderBarrier },
890    { "nPrepare",           "(JZ)I",           (void*) android_view_GLES20Canvas_prepare },
891    { "nPrepareDirty",      "(JIIIIZ)I",       (void*) android_view_GLES20Canvas_prepareDirty },
892    { "nFinish",            "(J)V",            (void*) android_view_GLES20Canvas_finish },
893    { "nSetProperty",           "(Ljava/lang/String;Ljava/lang/String;)V",
894            (void*) android_view_GLES20Canvas_setProperty },
895
896    { "nCallDrawGLFunction", "(JJ)I",          (void*) android_view_GLES20Canvas_callDrawGLFunction },
897
898    { "nSave",              "(JI)I",           (void*) android_view_GLES20Canvas_save },
899    { "nRestore",           "(J)V",            (void*) android_view_GLES20Canvas_restore },
900    { "nRestoreToCount",    "(JI)V",           (void*) android_view_GLES20Canvas_restoreToCount },
901    { "nGetSaveCount",      "(J)I",            (void*) android_view_GLES20Canvas_getSaveCount },
902
903    { "nSaveLayer",         "(JFFFFJI)I",      (void*) android_view_GLES20Canvas_saveLayer },
904    { "nSaveLayer",         "(JJI)I",          (void*) android_view_GLES20Canvas_saveLayerClip },
905    { "nSaveLayerAlpha",    "(JFFFFII)I",      (void*) android_view_GLES20Canvas_saveLayerAlpha },
906    { "nSaveLayerAlpha",    "(JII)I",          (void*) android_view_GLES20Canvas_saveLayerAlphaClip },
907
908    { "nQuickReject",       "(JFFFF)Z",        (void*) android_view_GLES20Canvas_quickReject },
909    { "nClipRect",          "(JFFFFI)Z",       (void*) android_view_GLES20Canvas_clipRectF },
910    { "nClipRect",          "(JIIIII)Z",       (void*) android_view_GLES20Canvas_clipRect },
911    { "nClipPath",          "(JJI)Z",          (void*) android_view_GLES20Canvas_clipPath },
912    { "nClipRegion",        "(JJI)Z",          (void*) android_view_GLES20Canvas_clipRegion },
913
914    { "nTranslate",         "(JFF)V",          (void*) android_view_GLES20Canvas_translate },
915    { "nRotate",            "(JF)V",           (void*) android_view_GLES20Canvas_rotate },
916    { "nScale",             "(JFF)V",          (void*) android_view_GLES20Canvas_scale },
917    { "nSkew",              "(JFF)V",          (void*) android_view_GLES20Canvas_skew },
918
919    { "nSetMatrix",         "(JJ)V",           (void*) android_view_GLES20Canvas_setMatrix },
920    { "nGetMatrix",         "(JJ)V",           (void*) android_view_GLES20Canvas_getMatrix },
921    { "nConcatMatrix",      "(JJ)V",           (void*) android_view_GLES20Canvas_concatMatrix },
922
923    { "nDrawBitmap",        "(JJ[BFFJ)V",      (void*) android_view_GLES20Canvas_drawBitmap },
924    { "nDrawBitmap",        "(JJ[BFFFFFFFFJ)V",(void*) android_view_GLES20Canvas_drawBitmapRect },
925    { "nDrawBitmap",        "(JJ[BJJ)V",       (void*) android_view_GLES20Canvas_drawBitmapMatrix },
926    { "nDrawBitmap",        "(J[IIIFFIIZJ)V",  (void*) android_view_GLES20Canvas_drawBitmapData },
927
928    { "nDrawBitmapMesh",    "(JJ[BII[FI[IIJ)V",(void*) android_view_GLES20Canvas_drawBitmapMesh },
929
930    { "nDrawPatch",         "(JJ[BJFFFFJ)V",   (void*) android_view_GLES20Canvas_drawPatch },
931
932    { "nDrawColor",         "(JII)V",          (void*) android_view_GLES20Canvas_drawColor },
933    { "nDrawRect",          "(JFFFFJ)V",       (void*) android_view_GLES20Canvas_drawRect },
934    { "nDrawRects",         "(JJJ)V",          (void*) android_view_GLES20Canvas_drawRegionAsRects },
935    { "nDrawRoundRect",     "(JFFFFFFJ)V",     (void*) android_view_GLES20Canvas_drawRoundRect },
936    { "nDrawRoundRect",     "(JJJJJJJJ)V",     (void*) android_view_GLES20Canvas_drawRoundRectProps },
937    { "nDrawCircle",        "(JFFFJ)V",        (void*) android_view_GLES20Canvas_drawCircle },
938    { "nDrawCircle",        "(JJJJJ)V",        (void*) android_view_GLES20Canvas_drawCircleProps },
939    { "nDrawOval",          "(JFFFFJ)V",       (void*) android_view_GLES20Canvas_drawOval },
940    { "nDrawArc",           "(JFFFFFFZJ)V",    (void*) android_view_GLES20Canvas_drawArc },
941    { "nDrawPoints",        "(J[FIIJ)V",       (void*) android_view_GLES20Canvas_drawPoints },
942
943    { "nDrawPath",          "(JJJ)V",          (void*) android_view_GLES20Canvas_drawPath },
944    { "nDrawLines",         "(J[FIIJ)V",       (void*) android_view_GLES20Canvas_drawLines },
945
946    { "nSetupPaintFilter",  "(JII)V",          (void*) android_view_GLES20Canvas_setupPaintFilter },
947    { "nResetPaintFilter",  "(J)V",            (void*) android_view_GLES20Canvas_resetPaintFilter },
948
949    { "nDrawText",          "(J[CIIFFIJJ)V",   (void*) android_view_GLES20Canvas_drawTextArray },
950    { "nDrawText",          "(JLjava/lang/String;IIFFIJJ)V",
951            (void*) android_view_GLES20Canvas_drawText },
952
953    { "nDrawTextOnPath",    "(J[CIIJFFIJJ)V",  (void*) android_view_GLES20Canvas_drawTextArrayOnPath },
954    { "nDrawTextOnPath",    "(JLjava/lang/String;IIJFFIJJ)V",
955            (void*) android_view_GLES20Canvas_drawTextOnPath },
956
957    { "nDrawTextRun",       "(J[CIIIIFFZJJ)V",  (void*) android_view_GLES20Canvas_drawTextRunArray },
958    { "nDrawTextRun",       "(JLjava/lang/String;IIIIFFZJJ)V",
959            (void*) android_view_GLES20Canvas_drawTextRun },
960
961    { "nGetClipBounds",     "(JLandroid/graphics/Rect;)Z", (void*) android_view_GLES20Canvas_getClipBounds },
962
963    { "nFinishRecording",   "(J)J",      (void*) android_view_GLES20Canvas_finishRecording },
964    { "nDrawRenderNode",    "(JJLandroid/graphics/Rect;I)I", (void*) android_view_GLES20Canvas_drawRenderNode },
965
966    { "nCreateDisplayListRenderer", "()J",     (void*) android_view_GLES20Canvas_createDisplayListRenderer },
967
968    { "nDrawLayer",              "(JJFF)V",    (void*) android_view_GLES20Canvas_drawLayer },
969
970    { "nGetMaximumTextureWidth",  "()I",       (void*) android_view_GLES20Canvas_getMaxTextureWidth },
971    { "nGetMaximumTextureHeight", "()I",       (void*) android_view_GLES20Canvas_getMaxTextureHeight },
972
973    { "nSetOverrideXfermode", "(JI)V",       (void*) android_view_GLES20Canvas_setOverrideXfermode },
974
975#endif
976};
977
978static JNINativeMethod gActivityThreadMethods[] = {
979    { "dumpGraphicsInfo",        "(Ljava/io/FileDescriptor;)V",
980                                               (void*) android_app_ActivityThread_dumpGraphics }
981};
982
983
984#ifdef USE_OPENGL_RENDERER
985    #define FIND_CLASS(var, className) \
986            var = env->FindClass(className); \
987            LOG_FATAL_IF(! var, "Unable to find class " className);
988
989    #define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) \
990            var = env->GetMethodID(clazz, methodName, methodDescriptor); \
991            LOG_FATAL_IF(! var, "Unable to find method " methodName);
992#else
993    #define FIND_CLASS(var, className)
994    #define GET_METHOD_ID(var, clazz, methodName, methodDescriptor)
995#endif
996
997int register_android_view_GLES20Canvas(JNIEnv* env) {
998    jclass clazz;
999    FIND_CLASS(clazz, "android/graphics/Rect");
1000    GET_METHOD_ID(gRectClassInfo.set, clazz, "set", "(IIII)V");
1001
1002    return AndroidRuntime::registerNativeMethods(env, kClassPathName, gMethods, NELEM(gMethods));
1003}
1004
1005const char* const kActivityThreadPathName = "android/app/ActivityThread";
1006
1007int register_android_app_ActivityThread(JNIEnv* env) {
1008    return AndroidRuntime::registerNativeMethods(env, kActivityThreadPathName,
1009            gActivityThreadMethods, NELEM(gActivityThreadMethods));
1010}
1011
1012};
1013