android_view_GLES20Canvas.cpp revision 072707dfad1da6f49f4d3ce58ca104f6c46a7266 
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
47#include "MinikinUtils.h"
48
49namespace android {
50
51using namespace uirenderer;
52
53/**
54 * Note: DisplayListRenderer JNI layer is generated and compiled only on supported
55 *       devices. This means all the logic must be compiled only when the
56 *       preprocessor variable USE_OPENGL_RENDERER is defined.
57 */
58#ifdef USE_OPENGL_RENDERER
59
60// ----------------------------------------------------------------------------
61// Defines
62// ----------------------------------------------------------------------------
63
64// Debug
65#define DEBUG_RENDERER 0
66
67// Debug
68#if DEBUG_RENDERER
69    #define RENDERER_LOGD(...) ALOGD(__VA_ARGS__)
70#else
71    #define RENDERER_LOGD(...)
72#endif
73
74// ----------------------------------------------------------------------------
75
76static struct {
77    jmethodID set;
78} gRectClassInfo;
79
80// ----------------------------------------------------------------------------
81// Constructors
82// ----------------------------------------------------------------------------
83
84static void android_view_GLES20Canvas_destroyRenderer(JNIEnv* env, jobject clazz,
85        jlong rendererPtr) {
86    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
87    RENDERER_LOGD("Destroy DisplayListRenderer");
88    delete renderer;
89}
90
91// ----------------------------------------------------------------------------
92// Setup
93// ----------------------------------------------------------------------------
94
95static void android_view_GLES20Canvas_setViewport(JNIEnv* env, jobject clazz,
96        jlong rendererPtr, jint width, jint height) {
97    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
98    renderer->setViewport(width, height);
99}
100
101static void android_view_GLES20Canvas_setHighContrastText(JNIEnv* env, jobject clazz,
102        jlong rendererPtr, jboolean highContrastText) {
103    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
104    renderer->setHighContrastText(highContrastText);
105}
106
107static void android_view_GLES20Canvas_insertReorderBarrier(JNIEnv* env, jobject clazz,
108        jlong rendererPtr, jboolean reorderEnable) {
109    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
110    renderer->insertReorderBarrier(reorderEnable);
111}
112
113static int android_view_GLES20Canvas_prepare(JNIEnv* env, jobject clazz,
114        jlong rendererPtr, jboolean opaque) {
115    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
116    return renderer->prepare(opaque);
117}
118
119static int android_view_GLES20Canvas_prepareDirty(JNIEnv* env, jobject clazz,
120        jlong rendererPtr, jint left, jint top, jint right, jint bottom,
121        jboolean opaque) {
122    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
123    return renderer->prepareDirty(left, top, right, bottom, opaque);
124}
125
126static void android_view_GLES20Canvas_finish(JNIEnv* env, jobject clazz,
127        jlong rendererPtr) {
128    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
129    renderer->finish();
130}
131
132static void android_view_GLES20Canvas_setProperty(JNIEnv* env,
133        jobject clazz, jstring name, jstring value) {
134    if (!Caches::hasInstance()) {
135        ALOGW("can't set property, no Caches instance");
136        return;
137    }
138
139    if (name == NULL || value == NULL) {
140        ALOGW("can't set prop, null passed");
141    }
142
143    const char* nameCharArray = env->GetStringUTFChars(name, NULL);
144    const char* valueCharArray = env->GetStringUTFChars(value, NULL);
145    Caches::getInstance().setTempProperty(nameCharArray, valueCharArray);
146    env->ReleaseStringUTFChars(name, nameCharArray);
147    env->ReleaseStringUTFChars(name, valueCharArray);
148}
149
150// ----------------------------------------------------------------------------
151// Functor
152// ----------------------------------------------------------------------------
153
154static jint android_view_GLES20Canvas_callDrawGLFunction(JNIEnv* env, jobject clazz,
155        jlong rendererPtr, jlong functorPtr) {
156    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
157    Functor* functor = reinterpret_cast<Functor*>(functorPtr);
158    android::uirenderer::Rect dirty;
159    return renderer->callDrawGLFunction(functor, dirty);
160}
161
162// ----------------------------------------------------------------------------
163// Misc
164// ----------------------------------------------------------------------------
165
166static jint android_view_GLES20Canvas_getMaxTextureWidth(JNIEnv* env, jobject clazz) {
167    return Caches::getInstance().maxTextureSize;
168}
169
170static jint android_view_GLES20Canvas_getMaxTextureHeight(JNIEnv* env, jobject clazz) {
171    return Caches::getInstance().maxTextureSize;
172}
173
174// ----------------------------------------------------------------------------
175// State
176// ----------------------------------------------------------------------------
177
178static jint android_view_GLES20Canvas_save(JNIEnv* env, jobject clazz, jlong rendererPtr,
179        jint flags) {
180    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
181    return renderer->save(flags);
182}
183
184static jint android_view_GLES20Canvas_getSaveCount(JNIEnv* env, jobject clazz,
185        jlong rendererPtr) {
186    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
187    return renderer->getSaveCount();
188}
189
190static void android_view_GLES20Canvas_restore(JNIEnv* env, jobject clazz,
191        jlong rendererPtr) {
192    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
193    renderer->restore();
194}
195
196static void android_view_GLES20Canvas_restoreToCount(JNIEnv* env, jobject clazz,
197        jlong rendererPtr, jint saveCount) {
198    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
199    renderer->restoreToCount(saveCount);
200}
201
202// ----------------------------------------------------------------------------
203// Layers
204// ----------------------------------------------------------------------------
205
206static jint android_view_GLES20Canvas_saveLayer(JNIEnv* env, jobject clazz,
207        jlong rendererPtr, jfloat left, jfloat top, jfloat right, jfloat bottom,
208        jlong paintPtr, jint saveFlags) {
209    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
210    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
211    return renderer->saveLayer(left, top, right, bottom, paint, saveFlags);
212}
213
214static jint android_view_GLES20Canvas_saveLayerClip(JNIEnv* env, jobject clazz,
215        jlong rendererPtr, jlong paintPtr, jint saveFlags) {
216    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
217    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
218    const android::uirenderer::Rect& bounds(renderer->getLocalClipBounds());
219    return renderer->saveLayer(bounds.left, bounds.top, bounds.right, bounds.bottom,
220            paint, saveFlags);
221}
222
223static jint android_view_GLES20Canvas_saveLayerAlpha(JNIEnv* env, jobject clazz,
224        jlong rendererPtr, jfloat left, jfloat top, jfloat right, jfloat bottom,
225        jint alpha, jint saveFlags) {
226    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
227    return renderer->saveLayerAlpha(left, top, right, bottom, alpha, saveFlags);
228}
229
230static jint android_view_GLES20Canvas_saveLayerAlphaClip(JNIEnv* env, jobject clazz,
231        jlong rendererPtr, jint alpha, jint saveFlags) {
232    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
233    const android::uirenderer::Rect& bounds(renderer->getLocalClipBounds());
234    return renderer->saveLayerAlpha(bounds.left, bounds.top, bounds.right, bounds.bottom,
235            alpha, saveFlags);
236}
237
238// ----------------------------------------------------------------------------
239// Clipping
240// ----------------------------------------------------------------------------
241
242static jboolean android_view_GLES20Canvas_quickReject(JNIEnv* env, jobject clazz,
243        jlong rendererPtr, jfloat left, jfloat top, jfloat right, jfloat bottom) {
244    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
245    const bool result = renderer->quickRejectConservative(left, top, right, bottom);
246    return result ? JNI_TRUE : JNI_FALSE;
247}
248
249static jboolean android_view_GLES20Canvas_clipRectF(JNIEnv* env, jobject clazz,
250        jlong rendererPtr, jfloat left, jfloat top, jfloat right, jfloat bottom,
251        jint op) {
252    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
253    const bool result = renderer->clipRect(left, top, right, bottom,
254                                           static_cast<SkRegion::Op>(op));
255    return result ? JNI_TRUE : JNI_FALSE;
256}
257
258static jboolean android_view_GLES20Canvas_clipRect(JNIEnv* env, jobject clazz,
259        jlong rendererPtr, jint left, jint top, jint right, jint bottom,
260        jint op) {
261    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
262    const bool result = renderer->clipRect(float(left), float(top), float(right),
263                                           float(bottom),
264                                           static_cast<SkRegion::Op>(op));
265    return result ? JNI_TRUE : JNI_FALSE;
266}
267
268static jboolean android_view_GLES20Canvas_clipPath(JNIEnv* env, jobject clazz,
269        jlong rendererPtr, jlong pathPtr, jint op) {
270    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
271    SkPath* path = reinterpret_cast<SkPath*>(pathPtr);
272    const bool result = renderer->clipPath(path, static_cast<SkRegion::Op>(op));
273    return result ? JNI_TRUE : JNI_FALSE;
274}
275
276static jboolean android_view_GLES20Canvas_clipRegion(JNIEnv* env, jobject clazz,
277        jlong rendererPtr, jlong regionPtr, jint op) {
278    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
279    SkRegion* region = reinterpret_cast<SkRegion*>(regionPtr);
280    const bool result = renderer->clipRegion(region, static_cast<SkRegion::Op>(op));
281    return result ? JNI_TRUE : JNI_FALSE;
282}
283
284static jboolean android_view_GLES20Canvas_getClipBounds(JNIEnv* env, jobject clazz,
285        jlong rendererPtr, jobject rect) {
286    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
287    const android::uirenderer::Rect& bounds(renderer->getLocalClipBounds());
288
289    env->CallVoidMethod(rect, gRectClassInfo.set,
290            int(bounds.left), int(bounds.top), int(bounds.right), int(bounds.bottom));
291
292    return !bounds.isEmpty() ? JNI_TRUE : JNI_FALSE;
293}
294
295// ----------------------------------------------------------------------------
296// Transforms
297// ----------------------------------------------------------------------------
298
299static void android_view_GLES20Canvas_translate(JNIEnv* env, jobject clazz,
300        jlong rendererPtr, jfloat dx, jfloat dy) {
301    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
302    renderer->translate(dx, dy);
303}
304
305static void android_view_GLES20Canvas_rotate(JNIEnv* env, jobject clazz,
306        jlong rendererPtr, jfloat degrees) {
307    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
308    renderer->rotate(degrees);
309}
310
311static void android_view_GLES20Canvas_scale(JNIEnv* env, jobject clazz,
312        jlong rendererPtr, jfloat sx, jfloat sy) {
313    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
314    renderer->scale(sx, sy);
315}
316
317static void android_view_GLES20Canvas_skew(JNIEnv* env, jobject clazz,
318        jlong rendererPtr, jfloat sx, jfloat sy) {
319    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
320    renderer->skew(sx, sy);
321}
322
323static void android_view_GLES20Canvas_setMatrix(JNIEnv* env, jobject clazz,
324        jlong rendererPtr, jlong matrixPtr) {
325    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
326    SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixPtr);
327    renderer->setMatrix(matrix ? *matrix : SkMatrix::I());
328}
329
330static void android_view_GLES20Canvas_getMatrix(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->getMatrix(matrix);
335}
336
337static void android_view_GLES20Canvas_concatMatrix(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->concatMatrix(*matrix);
342}
343
344// ----------------------------------------------------------------------------
345// Drawing
346// ----------------------------------------------------------------------------
347
348static void android_view_GLES20Canvas_drawBitmap(JNIEnv* env, jobject clazz,
349        jlong rendererPtr, jlong bitmapPtr, jbyteArray buffer,
350        jfloat left, jfloat top, jlong paintPtr) {
351    SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapPtr);
352    // This object allows the renderer to allocate a global JNI ref to the buffer object.
353    JavaHeapBitmapRef bitmapRef(env, bitmap, buffer);
354
355    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
356    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
357
358    // apply transform directly to canvas, so it affects shaders correctly
359    renderer->save(SkCanvas::kMatrix_SaveFlag);
360    renderer->translate(left, top);
361    renderer->drawBitmap(bitmap, paint);
362    renderer->restore();
363}
364
365static void android_view_GLES20Canvas_drawBitmapRect(JNIEnv* env, jobject clazz,
366        jlong rendererPtr, jlong bitmapPtr, jbyteArray buffer,
367        float srcLeft, float srcTop, float srcRight, float srcBottom,
368        float dstLeft, float dstTop, float dstRight, float dstBottom, jlong paintPtr) {
369    SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapPtr);
370    // This object allows the renderer to allocate a global JNI ref to the buffer object.
371    JavaHeapBitmapRef bitmapRef(env, bitmap, buffer);
372
373    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
374    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
375    renderer->drawBitmap(bitmap, srcLeft, srcTop, srcRight, srcBottom,
376            dstLeft, dstTop, dstRight, dstBottom, paint);
377}
378
379static void android_view_GLES20Canvas_drawBitmapMatrix(JNIEnv* env, jobject clazz,
380        jlong rendererPtr, jlong bitmapPtr, jbyteArray buffer,
381        jlong matrixPtr, jlong paintPtr) {
382    SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapPtr);
383    // This object allows the renderer to allocate a global JNI ref to the buffer object.
384    JavaHeapBitmapRef bitmapRef(env, bitmap, buffer);
385
386    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
387    SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixPtr);
388    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
389
390    // apply transform directly to canvas, so it affects shaders correctly
391    renderer->save(SkCanvas::kMatrix_SaveFlag);
392    renderer->concatMatrix(*matrix);
393    renderer->drawBitmap(bitmap, paint);
394    renderer->restore();
395}
396
397static void android_view_GLES20Canvas_drawBitmapData(JNIEnv* env, jobject clazz,
398        jlong rendererPtr, jintArray colors, jint offset, jint stride,
399        jfloat left, jfloat top, jint width, jint height, jboolean hasAlpha, jlong paintPtr) {
400    // Note: If hasAlpha is false, kRGB_565_SkColorType will be used, which will
401    // correct the alphaType to kOpaque_SkAlphaType.
402    const SkImageInfo info = SkImageInfo::Make(width, height,
403                               hasAlpha ? kN32_SkColorType : kRGB_565_SkColorType,
404                               kPremul_SkAlphaType);
405    SkBitmap* bitmap = new SkBitmap;
406    if (!bitmap->allocPixels(info)) {
407        delete bitmap;
408        return;
409    }
410
411    if (!GraphicsJNI::SetPixels(env, colors, offset, stride, 0, 0, width, height, *bitmap)) {
412        delete bitmap;
413        return;
414    }
415
416    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
417    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
418
419    // apply transform directly to canvas, so it affects shaders correctly
420    renderer->save(SkCanvas::kMatrix_SaveFlag);
421    renderer->translate(left, top);
422    renderer->drawBitmapData(bitmap, paint);
423    renderer->restore();
424
425    // Note - bitmap isn't deleted as DisplayListRenderer owns it now
426}
427
428static void android_view_GLES20Canvas_drawBitmapMesh(JNIEnv* env, jobject clazz,
429        jlong rendererPtr, jlong bitmapPtr, jbyteArray buffer,
430        jint meshWidth, jint meshHeight, jfloatArray vertices, jint offset, jintArray colors,
431        jint colorOffset, jlong paintPtr) {
432    SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapPtr);
433    // This object allows the renderer to allocate a global JNI ref to the buffer object.
434    JavaHeapBitmapRef bitmapRef(env, bitmap, buffer);
435
436    jfloat* verticesArray = vertices ? env->GetFloatArrayElements(vertices, NULL) + offset : NULL;
437    jint* colorsArray = colors ? env->GetIntArrayElements(colors, NULL) + colorOffset : NULL;
438
439    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
440    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
441    renderer->drawBitmapMesh(bitmap, meshWidth, meshHeight, verticesArray, colorsArray, paint);
442
443    if (vertices) env->ReleaseFloatArrayElements(vertices, verticesArray, 0);
444    if (colors) env->ReleaseIntArrayElements(colors, colorsArray, 0);
445}
446
447static void android_view_GLES20Canvas_drawPatch(JNIEnv* env, jobject clazz,
448        jlong rendererPtr, jlong bitmapPtr, jbyteArray buffer, jlong patchPtr,
449        float left, float top, float right, float bottom, jlong paintPtr) {
450    SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapPtr);
451    // This object allows the renderer to allocate a global JNI ref to the buffer object.
452    JavaHeapBitmapRef bitmapRef(env, bitmap, buffer);
453
454    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
455    Res_png_9patch* patch = reinterpret_cast<Res_png_9patch*>(patchPtr);
456    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
457    renderer->drawPatch(bitmap, patch, left, top, right, bottom, paint);
458}
459
460static void android_view_GLES20Canvas_drawColor(JNIEnv* env, jobject clazz,
461        jlong rendererPtr, jint color, jint modeHandle) {
462    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
463    SkPorterDuff::Mode mode = static_cast<SkPorterDuff::Mode>(modeHandle);
464    renderer->drawColor(color, SkPorterDuff::ToXfermodeMode(mode));
465}
466
467static void android_view_GLES20Canvas_drawRect(JNIEnv* env, jobject clazz,
468        jlong rendererPtr, jfloat left, jfloat top, jfloat right, jfloat bottom,
469        jlong paintPtr) {
470    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
471    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
472    renderer->drawRect(left, top, right, bottom, paint);
473}
474
475static void android_view_GLES20Canvas_drawRoundRect(JNIEnv* env, jobject clazz,
476        jlong rendererPtr, jfloat left, jfloat top, jfloat right, jfloat bottom,
477        jfloat rx, jfloat ry, jlong paintPtr) {
478    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
479    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
480    renderer->drawRoundRect(left, top, right, bottom, rx, ry, paint);
481}
482
483static void android_view_GLES20Canvas_drawRoundRectProps(JNIEnv* env, jobject clazz,
484        jlong rendererPtr, jlong leftPropPtr, jlong topPropPtr, jlong rightPropPtr,
485        jlong bottomPropPtr, jlong rxPropPtr, jlong ryPropPtr, jlong paintPropPtr) {
486    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
487    CanvasPropertyPrimitive* leftProp = reinterpret_cast<CanvasPropertyPrimitive*>(leftPropPtr);
488    CanvasPropertyPrimitive* topProp = reinterpret_cast<CanvasPropertyPrimitive*>(topPropPtr);
489    CanvasPropertyPrimitive* rightProp = reinterpret_cast<CanvasPropertyPrimitive*>(rightPropPtr);
490    CanvasPropertyPrimitive* bottomProp = reinterpret_cast<CanvasPropertyPrimitive*>(bottomPropPtr);
491    CanvasPropertyPrimitive* rxProp = reinterpret_cast<CanvasPropertyPrimitive*>(rxPropPtr);
492    CanvasPropertyPrimitive* ryProp = reinterpret_cast<CanvasPropertyPrimitive*>(ryPropPtr);
493    CanvasPropertyPaint* paintProp = reinterpret_cast<CanvasPropertyPaint*>(paintPropPtr);
494    renderer->drawRoundRect(leftProp, topProp, rightProp, bottomProp, rxProp, ryProp, paintProp);
495}
496
497static void android_view_GLES20Canvas_drawCircle(JNIEnv* env, jobject clazz,
498        jlong rendererPtr, jfloat x, jfloat y, jfloat radius, jlong paintPtr) {
499    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
500    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
501    renderer->drawCircle(x, y, radius, paint);
502}
503
504static void android_view_GLES20Canvas_drawCircleProps(JNIEnv* env, jobject clazz,
505        jlong rendererPtr, jlong xPropPtr, jlong yPropPtr, jlong radiusPropPtr, jlong paintPropPtr) {
506    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
507    CanvasPropertyPrimitive* xProp = reinterpret_cast<CanvasPropertyPrimitive*>(xPropPtr);
508    CanvasPropertyPrimitive* yProp = reinterpret_cast<CanvasPropertyPrimitive*>(yPropPtr);
509    CanvasPropertyPrimitive* radiusProp = reinterpret_cast<CanvasPropertyPrimitive*>(radiusPropPtr);
510    CanvasPropertyPaint* paintProp = reinterpret_cast<CanvasPropertyPaint*>(paintPropPtr);
511    renderer->drawCircle(xProp, yProp, radiusProp, paintProp);
512}
513
514static void android_view_GLES20Canvas_drawOval(JNIEnv* env, jobject clazz,
515        jlong rendererPtr, jfloat left, jfloat top, jfloat right, jfloat bottom,
516        jlong paintPtr) {
517    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
518    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
519    renderer->drawOval(left, top, right, bottom, paint);
520}
521
522static void android_view_GLES20Canvas_drawArc(JNIEnv* env, jobject clazz,
523        jlong rendererPtr, jfloat left, jfloat top, jfloat right, jfloat bottom,
524        jfloat startAngle, jfloat sweepAngle, jboolean useCenter, jlong paintPtr) {
525    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
526    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
527    renderer->drawArc(left, top, right, bottom, startAngle, sweepAngle, useCenter, paint);
528}
529
530static void android_view_GLES20Canvas_drawRegionAsRects(JNIEnv* env, jobject clazz,
531        jlong rendererPtr, jlong regionPtr, jlong paintPtr) {
532    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
533    SkRegion* region = reinterpret_cast<SkRegion*>(regionPtr);
534    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
535    if (paint->getStyle() != Paint::kFill_Style ||
536            (paint->isAntiAlias() && !renderer->isCurrentTransformSimple())) {
537        SkRegion::Iterator it(*region);
538        while (!it.done()) {
539            const SkIRect& r = it.rect();
540            renderer->drawRect(r.fLeft, r.fTop, r.fRight, r.fBottom, paint);
541            it.next();
542        }
543    } else {
544        int count = 0;
545        Vector<float> rects;
546        SkRegion::Iterator it(*region);
547        while (!it.done()) {
548            const SkIRect& r = it.rect();
549            rects.push(r.fLeft);
550            rects.push(r.fTop);
551            rects.push(r.fRight);
552            rects.push(r.fBottom);
553            count += 4;
554            it.next();
555        }
556        renderer->drawRects(rects.array(), count, paint);
557    }
558}
559
560static void android_view_GLES20Canvas_drawPoints(JNIEnv* env, jobject clazz,
561        jlong rendererPtr, jfloatArray points, jint offset, jint count, jlong paintPtr) {
562    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
563    jfloat* storage = env->GetFloatArrayElements(points, NULL);
564    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
565    renderer->drawPoints(storage + offset, count, paint);
566    env->ReleaseFloatArrayElements(points, storage, 0);
567}
568
569static void android_view_GLES20Canvas_drawPath(JNIEnv* env, jobject clazz,
570        jlong rendererPtr, jlong pathPtr, jlong paintPtr) {
571    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
572    SkPath* path = reinterpret_cast<SkPath*>(pathPtr);
573    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
574    renderer->drawPath(path, paint);
575}
576
577static void android_view_GLES20Canvas_drawLines(JNIEnv* env, jobject clazz,
578        jlong rendererPtr, jfloatArray points, jint offset, jint count, jlong paintPtr) {
579    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
580    jfloat* storage = env->GetFloatArrayElements(points, NULL);
581    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
582    renderer->drawLines(storage + offset, count, paint);
583    env->ReleaseFloatArrayElements(points, storage, 0);
584}
585
586// ----------------------------------------------------------------------------
587// Draw filters
588// ----------------------------------------------------------------------------
589
590static void android_view_GLES20Canvas_setupPaintFilter(JNIEnv* env, jobject clazz,
591        jlong rendererPtr, jint clearBits, jint setBits) {
592    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
593    renderer->setupPaintFilter(clearBits, setBits);
594}
595
596static void android_view_GLES20Canvas_resetPaintFilter(JNIEnv* env, jobject clazz,
597        jlong rendererPtr) {
598    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
599    renderer->resetPaintFilter();
600}
601
602// ----------------------------------------------------------------------------
603// Text
604// ----------------------------------------------------------------------------
605
606class RenderTextFunctor {
607public:
608    RenderTextFunctor(const Layout& layout, DisplayListRenderer* renderer, jfloat x, jfloat y,
609                Paint* paint, uint16_t* glyphs, float* pos, float totalAdvance,
610                uirenderer::Rect& bounds)
611            : layout(layout), renderer(renderer), x(x), y(y), paint(paint), glyphs(glyphs),
612            pos(pos), totalAdvance(totalAdvance), bounds(bounds) { }
613    void operator()(size_t start, size_t end) {
614        for (size_t i = start; i < end; i++) {
615            glyphs[i] = layout.getGlyphId(i);
616            pos[2 * i] = layout.getX(i);
617            pos[2 * i + 1] = layout.getY(i);
618        }
619        size_t glyphsCount = end - start;
620        int bytesCount = glyphsCount * sizeof(jchar);
621        renderer->drawText((const char*) (glyphs + start), bytesCount, glyphsCount,
622            x, y, pos + 2 * start, paint, totalAdvance, bounds);
623    }
624private:
625    const Layout& layout;
626    DisplayListRenderer* renderer;
627    jfloat x;
628    jfloat y;
629    Paint* paint;
630    uint16_t* glyphs;
631    float* pos;
632    float totalAdvance;
633    uirenderer::Rect& bounds;
634};
635
636static void renderTextLayout(DisplayListRenderer* renderer, Layout* layout,
637    jfloat x, jfloat y, Paint* paint) {
638    size_t nGlyphs = layout->nGlyphs();
639    float* pos = new float[nGlyphs * 2];
640    uint16_t* glyphs = new uint16_t[nGlyphs];
641    MinikinRect b;
642    layout->getBounds(&b);
643    android::uirenderer::Rect bounds(b.mLeft, b.mTop, b.mRight, b.mBottom);
644    bounds.translate(x, y);
645    float totalAdvance = layout->getAdvance();
646
647    RenderTextFunctor f(*layout, renderer, x, y, paint, glyphs, pos, totalAdvance, bounds);
648    MinikinUtils::forFontRun(*layout, paint, f);
649    delete[] glyphs;
650    delete[] pos;
651}
652
653static void renderText(DisplayListRenderer* renderer, const jchar* text, int count,
654        jfloat x, jfloat y, int bidiFlags, Paint* paint, TypefaceImpl* typeface) {
655    Layout layout;
656    MinikinUtils::doLayout(&layout, paint, bidiFlags, typeface, text, 0, count, count);
657    x += MinikinUtils::xOffsetForTextAlign(paint, layout);
658    renderTextLayout(renderer, &layout, x, y, paint);
659}
660
661class RenderTextOnPathFunctor {
662public:
663    RenderTextOnPathFunctor(const Layout& layout, DisplayListRenderer* renderer, float hOffset,
664                float vOffset, Paint* paint, SkPath* path)
665            : layout(layout), renderer(renderer), hOffset(hOffset), vOffset(vOffset),
666                paint(paint), path(path) {
667    }
668    void operator()(size_t start, size_t end) {
669        uint16_t glyphs[1];
670        for (size_t i = start; i < end; i++) {
671            glyphs[0] = layout.getGlyphId(i);
672            float x = hOffset + layout.getX(i);
673            float y = vOffset + layout.getY(i);
674            renderer->drawTextOnPath((const char*) glyphs, sizeof(glyphs), 1, path, x, y, paint);
675        }
676    }
677private:
678    const Layout& layout;
679    DisplayListRenderer* renderer;
680    float hOffset;
681    float vOffset;
682    Paint* paint;
683    SkPath* path;
684};
685
686static void renderTextOnPath(DisplayListRenderer* renderer, const jchar* text, int count,
687        SkPath* path, jfloat hOffset, jfloat vOffset, int bidiFlags, Paint* paint,
688        TypefaceImpl* typeface) {
689    Layout layout;
690    MinikinUtils::doLayout(&layout, paint, bidiFlags, typeface, text, 0, count, count);
691    hOffset += MinikinUtils::hOffsetForTextAlign(paint, layout, *path);
692    Paint::Align align = paint->getTextAlign();
693    paint->setTextAlign(Paint::kLeft_Align);
694
695    RenderTextOnPathFunctor f(layout, renderer, hOffset, vOffset, paint, path);
696    MinikinUtils::forFontRun(layout, paint, f);
697    paint->setTextAlign(align);
698}
699
700static void renderTextRun(DisplayListRenderer* renderer, const jchar* text,
701        jint start, jint count, jint contextCount, jfloat x, jfloat y,
702        int bidiFlags, Paint* paint, TypefaceImpl* typeface) {
703    Layout layout;
704    MinikinUtils::doLayout(&layout, paint, bidiFlags, typeface, text, start, count, contextCount);
705    x += MinikinUtils::xOffsetForTextAlign(paint, layout);
706    renderTextLayout(renderer, &layout, x, y, paint);
707}
708
709static void android_view_GLES20Canvas_drawTextArray(JNIEnv* env, jobject clazz,
710        jlong rendererPtr, jcharArray text, jint index, jint count,
711        jfloat x, jfloat y, jint bidiFlags, jlong paintPtr, jlong typefacePtr) {
712    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
713    jchar* textArray = env->GetCharArrayElements(text, NULL);
714    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
715    TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefacePtr);
716
717    renderText(renderer, textArray + index, count, x, y, bidiFlags, paint, typeface);
718    env->ReleaseCharArrayElements(text, textArray, JNI_ABORT);
719}
720
721static void android_view_GLES20Canvas_drawText(JNIEnv* env, jobject clazz,
722        jlong rendererPtr, jstring text, jint start, jint end,
723        jfloat x, jfloat y, jint bidiFlags, jlong paintPtr, jlong typefacePtr) {
724    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
725    const jchar* textArray = env->GetStringChars(text, NULL);
726    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
727    TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefacePtr);
728
729    renderText(renderer, textArray + start, end - start, x, y, bidiFlags, paint, typeface);
730    env->ReleaseStringChars(text, textArray);
731}
732
733static void android_view_GLES20Canvas_drawTextArrayOnPath(JNIEnv* env, jobject clazz,
734        jlong rendererPtr, jcharArray text, jint index, jint count,
735        jlong pathPtr, jfloat hOffset, jfloat vOffset, jint bidiFlags, jlong paintPtr,
736        jlong typefacePtr) {
737    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
738    jchar* textArray = env->GetCharArrayElements(text, NULL);
739    SkPath* path = reinterpret_cast<SkPath*>(pathPtr);
740    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
741    TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefacePtr);
742
743    renderTextOnPath(renderer, textArray + index, count, path,
744            hOffset, vOffset, bidiFlags, paint, typeface);
745    env->ReleaseCharArrayElements(text, textArray, JNI_ABORT);
746}
747
748static void android_view_GLES20Canvas_drawTextOnPath(JNIEnv* env, jobject clazz,
749        jlong rendererPtr, jstring text, jint start, jint end,
750        jlong pathPtr, jfloat hOffset, jfloat vOffset, jint bidiFlags, jlong paintPtr,
751        jlong typefacePtr) {
752    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
753    const jchar* textArray = env->GetStringChars(text, NULL);
754    SkPath* path = reinterpret_cast<SkPath*>(pathPtr);
755    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
756    TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefacePtr);
757
758    renderTextOnPath(renderer, textArray + start, end - start, path,
759            hOffset, vOffset, bidiFlags, paint, typeface);
760    env->ReleaseStringChars(text, textArray);
761}
762
763static void android_view_GLES20Canvas_drawTextRunArray(JNIEnv* env, jobject clazz,
764        jlong rendererPtr, jcharArray text, jint index, jint count,
765        jint contextIndex, jint contextCount, jfloat x, jfloat y, jboolean isRtl,
766        jlong paintPtr, jlong typefacePtr) {
767    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
768    jchar* textArray = env->GetCharArrayElements(text, NULL);
769    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
770    TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefacePtr);
771
772    int bidiFlags = isRtl ? kBidi_Force_RTL : kBidi_Force_LTR;
773    renderTextRun(renderer, textArray + contextIndex, index - contextIndex,
774            count, contextCount, x, y, bidiFlags, paint, typeface);
775    env->ReleaseCharArrayElements(text, textArray, JNI_ABORT);
776 }
777
778static void android_view_GLES20Canvas_drawTextRun(JNIEnv* env, jobject clazz,
779        jlong rendererPtr, jstring text, jint start, jint end,
780        jint contextStart, int contextEnd, jfloat x, jfloat y, jboolean isRtl,
781        jlong paintPtr, jlong typefacePtr) {
782    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
783    const jchar* textArray = env->GetStringChars(text, NULL);
784    jint count = end - start;
785    jint contextCount = contextEnd - contextStart;
786    Paint* paint = reinterpret_cast<Paint*>(paintPtr);
787    TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefacePtr);
788
789    int bidiFlags = isRtl ? kBidi_Force_RTL : kBidi_Force_LTR;
790    renderTextRun(renderer, textArray + contextStart, start - contextStart,
791            count, contextCount, x, y, bidiFlags, paint, typeface);
792    env->ReleaseStringChars(text, textArray);
793}
794
795// ----------------------------------------------------------------------------
796// Display lists
797// ----------------------------------------------------------------------------
798
799static jlong android_view_GLES20Canvas_finishRecording(JNIEnv* env,
800        jobject clazz, jlong rendererPtr) {
801    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
802    return reinterpret_cast<jlong>(renderer->finishRecording());
803}
804
805static jlong android_view_GLES20Canvas_createDisplayListRenderer(JNIEnv* env, jobject clazz) {
806    return reinterpret_cast<jlong>(new DisplayListRenderer);
807}
808
809static jint android_view_GLES20Canvas_drawRenderNode(JNIEnv* env,
810        jobject clazz, jlong rendererPtr, jlong renderNodePtr,
811        jobject dirty, jint flags) {
812    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
813    RenderNode* renderNode = reinterpret_cast<RenderNode*>(renderNodePtr);
814    android::uirenderer::Rect bounds;
815    status_t status = renderer->drawRenderNode(renderNode, bounds, flags);
816    if (status != DrawGlInfo::kStatusDone && dirty != NULL) {
817        env->CallVoidMethod(dirty, gRectClassInfo.set,
818                int(bounds.left), int(bounds.top), int(bounds.right), int(bounds.bottom));
819    }
820    return status;
821}
822
823// ----------------------------------------------------------------------------
824// Layers
825// ----------------------------------------------------------------------------
826
827static void android_view_GLES20Canvas_drawLayer(JNIEnv* env, jobject clazz,
828        jlong rendererPtr, jlong layerPtr, jfloat x, jfloat y) {
829    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
830    Layer* layer = reinterpret_cast<Layer*>(layerPtr);
831    renderer->drawLayer(layer, x, y);
832}
833
834#endif // USE_OPENGL_RENDERER
835
836// ----------------------------------------------------------------------------
837// Common
838// ----------------------------------------------------------------------------
839
840static jboolean android_view_GLES20Canvas_isAvailable(JNIEnv* env, jobject clazz) {
841#ifdef USE_OPENGL_RENDERER
842    char prop[PROPERTY_VALUE_MAX];
843    if (property_get("ro.kernel.qemu", prop, NULL) == 0) {
844        // not in the emulator
845        return JNI_TRUE;
846    }
847    // In the emulator this property will be set to 1 when hardware GLES is
848    // enabled, 0 otherwise. On old emulator versions it will be undefined.
849    property_get("ro.kernel.qemu.gles", prop, "0");
850    return atoi(prop) == 1 ? JNI_TRUE : JNI_FALSE;
851#else
852    return JNI_FALSE;
853#endif
854}
855
856// ----------------------------------------------------------------------------
857// Logging
858// ----------------------------------------------------------------------------
859
860static void
861android_app_ActivityThread_dumpGraphics(JNIEnv* env, jobject clazz, jobject javaFileDescriptor) {
862#ifdef USE_OPENGL_RENDERER
863    int fd = jniGetFDFromFileDescriptor(env, javaFileDescriptor);
864    android::uirenderer::RenderNode::outputLogBuffer(fd);
865#endif // USE_OPENGL_RENDERER
866}
867
868// ----------------------------------------------------------------------------
869// JNI Glue
870// ----------------------------------------------------------------------------
871
872const char* const kClassPathName = "android/view/GLES20Canvas";
873
874static JNINativeMethod gMethods[] = {
875    { "nIsAvailable",       "()Z",             (void*) android_view_GLES20Canvas_isAvailable },
876
877#ifdef USE_OPENGL_RENDERER
878
879    { "nDestroyRenderer",   "(J)V",            (void*) android_view_GLES20Canvas_destroyRenderer },
880    { "nSetViewport",       "(JII)V",          (void*) android_view_GLES20Canvas_setViewport },
881    { "nSetHighContrastText","(JZ)V",          (void*) android_view_GLES20Canvas_setHighContrastText },
882    { "nInsertReorderBarrier","(JZ)V",         (void*) android_view_GLES20Canvas_insertReorderBarrier },
883    { "nPrepare",           "(JZ)I",           (void*) android_view_GLES20Canvas_prepare },
884    { "nPrepareDirty",      "(JIIIIZ)I",       (void*) android_view_GLES20Canvas_prepareDirty },
885    { "nFinish",            "(J)V",            (void*) android_view_GLES20Canvas_finish },
886    { "nSetProperty",           "(Ljava/lang/String;Ljava/lang/String;)V",
887            (void*) android_view_GLES20Canvas_setProperty },
888
889    { "nCallDrawGLFunction", "(JJ)I",          (void*) android_view_GLES20Canvas_callDrawGLFunction },
890
891    { "nSave",              "(JI)I",           (void*) android_view_GLES20Canvas_save },
892    { "nRestore",           "(J)V",            (void*) android_view_GLES20Canvas_restore },
893    { "nRestoreToCount",    "(JI)V",           (void*) android_view_GLES20Canvas_restoreToCount },
894    { "nGetSaveCount",      "(J)I",            (void*) android_view_GLES20Canvas_getSaveCount },
895
896    { "nSaveLayer",         "(JFFFFJI)I",      (void*) android_view_GLES20Canvas_saveLayer },
897    { "nSaveLayer",         "(JJI)I",          (void*) android_view_GLES20Canvas_saveLayerClip },
898    { "nSaveLayerAlpha",    "(JFFFFII)I",      (void*) android_view_GLES20Canvas_saveLayerAlpha },
899    { "nSaveLayerAlpha",    "(JII)I",          (void*) android_view_GLES20Canvas_saveLayerAlphaClip },
900
901    { "nQuickReject",       "(JFFFF)Z",        (void*) android_view_GLES20Canvas_quickReject },
902    { "nClipRect",          "(JFFFFI)Z",       (void*) android_view_GLES20Canvas_clipRectF },
903    { "nClipRect",          "(JIIIII)Z",       (void*) android_view_GLES20Canvas_clipRect },
904    { "nClipPath",          "(JJI)Z",          (void*) android_view_GLES20Canvas_clipPath },
905    { "nClipRegion",        "(JJI)Z",          (void*) android_view_GLES20Canvas_clipRegion },
906
907    { "nTranslate",         "(JFF)V",          (void*) android_view_GLES20Canvas_translate },
908    { "nRotate",            "(JF)V",           (void*) android_view_GLES20Canvas_rotate },
909    { "nScale",             "(JFF)V",          (void*) android_view_GLES20Canvas_scale },
910    { "nSkew",              "(JFF)V",          (void*) android_view_GLES20Canvas_skew },
911
912    { "nSetMatrix",         "(JJ)V",           (void*) android_view_GLES20Canvas_setMatrix },
913    { "nGetMatrix",         "(JJ)V",           (void*) android_view_GLES20Canvas_getMatrix },
914    { "nConcatMatrix",      "(JJ)V",           (void*) android_view_GLES20Canvas_concatMatrix },
915
916    { "nDrawBitmap",        "(JJ[BFFJ)V",      (void*) android_view_GLES20Canvas_drawBitmap },
917    { "nDrawBitmap",        "(JJ[BFFFFFFFFJ)V",(void*) android_view_GLES20Canvas_drawBitmapRect },
918    { "nDrawBitmap",        "(JJ[BJJ)V",       (void*) android_view_GLES20Canvas_drawBitmapMatrix },
919    { "nDrawBitmap",        "(J[IIIFFIIZJ)V",  (void*) android_view_GLES20Canvas_drawBitmapData },
920
921    { "nDrawBitmapMesh",    "(JJ[BII[FI[IIJ)V",(void*) android_view_GLES20Canvas_drawBitmapMesh },
922
923    { "nDrawPatch",         "(JJ[BJFFFFJ)V",   (void*) android_view_GLES20Canvas_drawPatch },
924
925    { "nDrawColor",         "(JII)V",          (void*) android_view_GLES20Canvas_drawColor },
926    { "nDrawRect",          "(JFFFFJ)V",       (void*) android_view_GLES20Canvas_drawRect },
927    { "nDrawRects",         "(JJJ)V",          (void*) android_view_GLES20Canvas_drawRegionAsRects },
928    { "nDrawRoundRect",     "(JFFFFFFJ)V",     (void*) android_view_GLES20Canvas_drawRoundRect },
929    { "nDrawRoundRect",     "(JJJJJJJJ)V",     (void*) android_view_GLES20Canvas_drawRoundRectProps },
930    { "nDrawCircle",        "(JFFFJ)V",        (void*) android_view_GLES20Canvas_drawCircle },
931    { "nDrawCircle",        "(JJJJJ)V",        (void*) android_view_GLES20Canvas_drawCircleProps },
932    { "nDrawOval",          "(JFFFFJ)V",       (void*) android_view_GLES20Canvas_drawOval },
933    { "nDrawArc",           "(JFFFFFFZJ)V",    (void*) android_view_GLES20Canvas_drawArc },
934    { "nDrawPoints",        "(J[FIIJ)V",       (void*) android_view_GLES20Canvas_drawPoints },
935
936    { "nDrawPath",          "(JJJ)V",          (void*) android_view_GLES20Canvas_drawPath },
937    { "nDrawLines",         "(J[FIIJ)V",       (void*) android_view_GLES20Canvas_drawLines },
938
939    { "nSetupPaintFilter",  "(JII)V",          (void*) android_view_GLES20Canvas_setupPaintFilter },
940    { "nResetPaintFilter",  "(J)V",            (void*) android_view_GLES20Canvas_resetPaintFilter },
941
942    { "nDrawText",          "(J[CIIFFIJJ)V",   (void*) android_view_GLES20Canvas_drawTextArray },
943    { "nDrawText",          "(JLjava/lang/String;IIFFIJJ)V",
944            (void*) android_view_GLES20Canvas_drawText },
945
946    { "nDrawTextOnPath",    "(J[CIIJFFIJJ)V",  (void*) android_view_GLES20Canvas_drawTextArrayOnPath },
947    { "nDrawTextOnPath",    "(JLjava/lang/String;IIJFFIJJ)V",
948            (void*) android_view_GLES20Canvas_drawTextOnPath },
949
950    { "nDrawTextRun",       "(J[CIIIIFFZJJ)V",  (void*) android_view_GLES20Canvas_drawTextRunArray },
951    { "nDrawTextRun",       "(JLjava/lang/String;IIIIFFZJJ)V",
952            (void*) android_view_GLES20Canvas_drawTextRun },
953
954    { "nGetClipBounds",     "(JLandroid/graphics/Rect;)Z", (void*) android_view_GLES20Canvas_getClipBounds },
955
956    { "nFinishRecording",   "(J)J",      (void*) android_view_GLES20Canvas_finishRecording },
957    { "nDrawRenderNode",    "(JJLandroid/graphics/Rect;I)I", (void*) android_view_GLES20Canvas_drawRenderNode },
958
959    { "nCreateDisplayListRenderer", "()J",     (void*) android_view_GLES20Canvas_createDisplayListRenderer },
960
961    { "nDrawLayer",              "(JJFF)V",    (void*) android_view_GLES20Canvas_drawLayer },
962
963    { "nGetMaximumTextureWidth",  "()I",       (void*) android_view_GLES20Canvas_getMaxTextureWidth },
964    { "nGetMaximumTextureHeight", "()I",       (void*) android_view_GLES20Canvas_getMaxTextureHeight },
965
966#endif
967};
968
969static JNINativeMethod gActivityThreadMethods[] = {
970    { "dumpGraphicsInfo",        "(Ljava/io/FileDescriptor;)V",
971                                               (void*) android_app_ActivityThread_dumpGraphics }
972};
973
974
975#ifdef USE_OPENGL_RENDERER
976    #define FIND_CLASS(var, className) \
977            var = env->FindClass(className); \
978            LOG_FATAL_IF(! var, "Unable to find class " className);
979
980    #define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) \
981            var = env->GetMethodID(clazz, methodName, methodDescriptor); \
982            LOG_FATAL_IF(! var, "Unable to find method " methodName);
983#else
984    #define FIND_CLASS(var, className)
985    #define GET_METHOD_ID(var, clazz, methodName, methodDescriptor)
986#endif
987
988int register_android_view_GLES20Canvas(JNIEnv* env) {
989    jclass clazz;
990    FIND_CLASS(clazz, "android/graphics/Rect");
991    GET_METHOD_ID(gRectClassInfo.set, clazz, "set", "(IIII)V");
992
993    return AndroidRuntime::registerNativeMethods(env, kClassPathName, gMethods, NELEM(gMethods));
994}
995
996const char* const kActivityThreadPathName = "android/app/ActivityThread";
997
998int register_android_app_ActivityThread(JNIEnv* env) {
999    return AndroidRuntime::registerNativeMethods(env, kActivityThreadPathName,
1000            gActivityThreadMethods, NELEM(gActivityThreadMethods));
1001}
1002
1003};
1004