android_view_GLES20Canvas.cpp revision 0baaac5e9adf3ee280ae1239e2e58754a9d2b099
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 <EGL/egl.h> 20 21#include "jni.h" 22#include "GraphicsJNI.h" 23#include <nativehelper/JNIHelp.h> 24 25#include <android_runtime/AndroidRuntime.h> 26#include <android_runtime/android_graphics_SurfaceTexture.h> 27#include <gui/SurfaceTexture.h> 28 29#include <androidfw/ResourceTypes.h> 30 31#include <private/hwui/DrawGlInfo.h> 32 33#include <cutils/properties.h> 34 35#include <SkBitmap.h> 36#include <SkCanvas.h> 37#include <SkMatrix.h> 38#include <SkPaint.h> 39#include <SkRegion.h> 40#include <SkScalerContext.h> 41#include <SkTemplates.h> 42#include <SkXfermode.h> 43 44#include <DisplayListRenderer.h> 45#include <LayerRenderer.h> 46#include <OpenGLRenderer.h> 47#include <SkiaShader.h> 48#include <SkiaColorFilter.h> 49#include <Stencil.h> 50#include <Rect.h> 51 52#include <TextLayout.h> 53#include <TextLayoutCache.h> 54 55namespace android { 56 57using namespace uirenderer; 58 59/** 60 * Note: OpenGLRenderer JNI layer is generated and compiled only on supported 61 * devices. This means all the logic must be compiled only when the 62 * preprocessor variable USE_OPENGL_RENDERER is defined. 63 */ 64#ifdef USE_OPENGL_RENDERER 65 66// ---------------------------------------------------------------------------- 67// Defines 68// ---------------------------------------------------------------------------- 69 70// Debug 71#define DEBUG_RENDERER 0 72 73// Debug 74#if DEBUG_RENDERER 75 #define RENDERER_LOGD(...) ALOGD(__VA_ARGS__) 76#else 77 #define RENDERER_LOGD(...) 78#endif 79 80#define MODIFIER_SHADOW 1 81#define MODIFIER_SHADER 2 82#define MODIFIER_COLOR_FILTER 4 83 84// ---------------------------------------------------------------------------- 85 86static struct { 87 jmethodID set; 88} gRectClassInfo; 89 90// ---------------------------------------------------------------------------- 91// Caching 92// ---------------------------------------------------------------------------- 93 94static void android_view_GLES20Canvas_flushCaches(JNIEnv* env, jobject clazz, 95 Caches::FlushMode mode) { 96 if (Caches::hasInstance()) { 97 Caches::getInstance().flush(mode); 98 } 99} 100 101static void android_view_GLES20Canvas_initCaches(JNIEnv* env, jobject clazz) { 102 if (Caches::hasInstance()) { 103 Caches::getInstance().init(); 104 } 105} 106 107static void android_view_GLES20Canvas_terminateCaches(JNIEnv* env, jobject clazz) { 108 if (Caches::hasInstance()) { 109 Caches::getInstance().terminate(); 110 } 111} 112 113// ---------------------------------------------------------------------------- 114// Constructors 115// ---------------------------------------------------------------------------- 116 117static OpenGLRenderer* android_view_GLES20Canvas_createRenderer(JNIEnv* env, jobject clazz) { 118 RENDERER_LOGD("Create OpenGLRenderer"); 119 return new OpenGLRenderer; 120} 121 122static void android_view_GLES20Canvas_destroyRenderer(JNIEnv* env, jobject clazz, 123 OpenGLRenderer* renderer) { 124 RENDERER_LOGD("Destroy OpenGLRenderer"); 125 delete renderer; 126} 127 128// ---------------------------------------------------------------------------- 129// Setup 130// ---------------------------------------------------------------------------- 131 132static void android_view_GLES20Canvas_setViewport(JNIEnv* env, jobject clazz, 133 OpenGLRenderer* renderer, jint width, jint height) { 134 renderer->setViewport(width, height); 135} 136 137static int android_view_GLES20Canvas_prepare(JNIEnv* env, jobject clazz, 138 OpenGLRenderer* renderer, jboolean opaque) { 139 return renderer->prepare(opaque); 140} 141 142static int android_view_GLES20Canvas_prepareDirty(JNIEnv* env, jobject clazz, 143 OpenGLRenderer* renderer, jint left, jint top, jint right, jint bottom, 144 jboolean opaque) { 145 return renderer->prepareDirty(left, top, right, bottom, opaque); 146} 147 148static void android_view_GLES20Canvas_finish(JNIEnv* env, jobject clazz, 149 OpenGLRenderer* renderer) { 150 renderer->finish(); 151} 152 153static jint android_view_GLES20Canvas_getStencilSize(JNIEnv* env, jobject clazz) { 154 return Stencil::getStencilSize(); 155} 156 157// ---------------------------------------------------------------------------- 158// Functor 159// ---------------------------------------------------------------------------- 160 161static jint android_view_GLES20Canvas_callDrawGLFunction(JNIEnv* env, jobject clazz, 162 OpenGLRenderer* renderer, Functor* functor) { 163 android::uirenderer::Rect dirty; 164 return renderer->callDrawGLFunction(functor, dirty); 165} 166 167static void android_view_GLES20Canvas_detachFunctor(JNIEnv* env, 168 jobject clazz, OpenGLRenderer* renderer, Functor* functor) { 169 renderer->detachFunctor(functor); 170} 171 172static void android_view_GLES20Canvas_attachFunctor(JNIEnv* env, 173 jobject clazz, OpenGLRenderer* renderer, Functor* functor) { 174 renderer->attachFunctor(functor); 175} 176 177static jint android_view_GLES20Canvas_invokeFunctors(JNIEnv* env, 178 jobject clazz, OpenGLRenderer* renderer, jobject dirty) { 179 android::uirenderer::Rect bounds; 180 status_t status = renderer->invokeFunctors(bounds); 181 if (status != DrawGlInfo::kStatusDone && dirty != NULL) { 182 env->CallVoidMethod(dirty, gRectClassInfo.set, 183 int(bounds.left), int(bounds.top), int(bounds.right), int(bounds.bottom)); 184 } 185 return status; 186} 187 188// ---------------------------------------------------------------------------- 189// Misc 190// ---------------------------------------------------------------------------- 191 192static jint android_view_GLES20Canvas_getMaxTextureWidth(JNIEnv* env, jobject clazz) { 193 return Caches::getInstance().maxTextureSize; 194} 195 196static jint android_view_GLES20Canvas_getMaxTextureHeight(JNIEnv* env, jobject clazz) { 197 return Caches::getInstance().maxTextureSize; 198} 199 200// ---------------------------------------------------------------------------- 201// State 202// ---------------------------------------------------------------------------- 203 204static jint android_view_GLES20Canvas_save(JNIEnv* env, jobject clazz, OpenGLRenderer* renderer, 205 jint flags) { 206 return renderer->save(flags); 207} 208 209static jint android_view_GLES20Canvas_getSaveCount(JNIEnv* env, jobject clazz, 210 OpenGLRenderer* renderer) { 211 return renderer->getSaveCount(); 212} 213 214static void android_view_GLES20Canvas_restore(JNIEnv* env, jobject clazz, 215 OpenGLRenderer* renderer) { 216 renderer->restore(); 217} 218 219static void android_view_GLES20Canvas_restoreToCount(JNIEnv* env, jobject clazz, 220 OpenGLRenderer* renderer, jint saveCount) { 221 renderer->restoreToCount(saveCount); 222} 223 224// ---------------------------------------------------------------------------- 225// Layers 226// ---------------------------------------------------------------------------- 227 228static jint android_view_GLES20Canvas_saveLayer(JNIEnv* env, jobject clazz, 229 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 230 SkPaint* paint, jint saveFlags) { 231 return renderer->saveLayer(left, top, right, bottom, paint, saveFlags); 232} 233 234static jint android_view_GLES20Canvas_saveLayerClip(JNIEnv* env, jobject clazz, 235 OpenGLRenderer* renderer, SkPaint* paint, jint saveFlags) { 236 const android::uirenderer::Rect& bounds(renderer->getClipBounds()); 237 return renderer->saveLayer(bounds.left, bounds.top, bounds.right, bounds.bottom, 238 paint, saveFlags); 239} 240 241static jint android_view_GLES20Canvas_saveLayerAlpha(JNIEnv* env, jobject clazz, 242 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 243 jint alpha, jint saveFlags) { 244 return renderer->saveLayerAlpha(left, top, right, bottom, alpha, saveFlags); 245} 246 247static jint android_view_GLES20Canvas_saveLayerAlphaClip(JNIEnv* env, jobject clazz, 248 OpenGLRenderer* renderer, jint alpha, jint saveFlags) { 249 const android::uirenderer::Rect& bounds(renderer->getClipBounds()); 250 return renderer->saveLayerAlpha(bounds.left, bounds.top, bounds.right, bounds.bottom, 251 alpha, saveFlags); 252} 253 254// ---------------------------------------------------------------------------- 255// Clipping 256// ---------------------------------------------------------------------------- 257 258static bool android_view_GLES20Canvas_quickReject(JNIEnv* env, jobject clazz, 259 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 260 SkCanvas::EdgeType edge) { 261 return renderer->quickReject(left, top, right, bottom); 262} 263 264static bool android_view_GLES20Canvas_clipRectF(JNIEnv* env, jobject clazz, 265 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 266 SkRegion::Op op) { 267 return renderer->clipRect(left, top, right, bottom, op); 268} 269 270static bool android_view_GLES20Canvas_clipRect(JNIEnv* env, jobject clazz, 271 OpenGLRenderer* renderer, jint left, jint top, jint right, jint bottom, 272 SkRegion::Op op) { 273 return renderer->clipRect(float(left), float(top), float(right), float(bottom), op); 274} 275 276static bool android_view_GLES20Canvas_getClipBounds(JNIEnv* env, jobject clazz, 277 OpenGLRenderer* renderer, jobject rect) { 278 const android::uirenderer::Rect& bounds(renderer->getClipBounds()); 279 280 env->CallVoidMethod(rect, gRectClassInfo.set, 281 int(bounds.left), int(bounds.top), int(bounds.right), int(bounds.bottom)); 282 283 return !bounds.isEmpty(); 284} 285 286// ---------------------------------------------------------------------------- 287// Transforms 288// ---------------------------------------------------------------------------- 289 290static void android_view_GLES20Canvas_translate(JNIEnv* env, jobject clazz, 291 OpenGLRenderer* renderer, jfloat dx, jfloat dy) { 292 renderer->translate(dx, dy); 293} 294 295static void android_view_GLES20Canvas_rotate(JNIEnv* env, jobject clazz, 296 OpenGLRenderer* renderer, jfloat degrees) { 297 renderer->rotate(degrees); 298} 299 300static void android_view_GLES20Canvas_scale(JNIEnv* env, jobject clazz, 301 OpenGLRenderer* renderer, jfloat sx, jfloat sy) { 302 renderer->scale(sx, sy); 303} 304 305static void android_view_GLES20Canvas_skew(JNIEnv* env, jobject clazz, 306 OpenGLRenderer* renderer, jfloat sx, jfloat sy) { 307 renderer->skew(sx, sy); 308} 309 310static void android_view_GLES20Canvas_setMatrix(JNIEnv* env, jobject clazz, 311 OpenGLRenderer* renderer, SkMatrix* matrix) { 312 renderer->setMatrix(matrix); 313} 314 315static void android_view_GLES20Canvas_getMatrix(JNIEnv* env, jobject clazz, 316 OpenGLRenderer* renderer, SkMatrix* matrix) { 317 renderer->getMatrix(matrix); 318} 319 320static void android_view_GLES20Canvas_concatMatrix(JNIEnv* env, jobject clazz, 321 OpenGLRenderer* renderer, SkMatrix* matrix) { 322 renderer->concatMatrix(matrix); 323} 324 325// ---------------------------------------------------------------------------- 326// Drawing 327// ---------------------------------------------------------------------------- 328 329static void android_view_GLES20Canvas_drawBitmap(JNIEnv* env, jobject clazz, 330 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, 331 jfloat left, jfloat top, SkPaint* paint) { 332 // This object allows the renderer to allocate a global JNI ref to the buffer object. 333 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 334 335 renderer->drawBitmap(bitmap, left, top, paint); 336} 337 338static void android_view_GLES20Canvas_drawBitmapRect(JNIEnv* env, jobject clazz, 339 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, 340 float srcLeft, float srcTop, float srcRight, float srcBottom, 341 float dstLeft, float dstTop, float dstRight, float dstBottom, SkPaint* paint) { 342 // This object allows the renderer to allocate a global JNI ref to the buffer object. 343 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 344 345 renderer->drawBitmap(bitmap, srcLeft, srcTop, srcRight, srcBottom, 346 dstLeft, dstTop, dstRight, dstBottom, paint); 347} 348 349static void android_view_GLES20Canvas_drawBitmapMatrix(JNIEnv* env, jobject clazz, 350 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, SkMatrix* matrix, 351 SkPaint* paint) { 352 // This object allows the renderer to allocate a global JNI ref to the buffer object. 353 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 354 355 renderer->drawBitmap(bitmap, matrix, paint); 356} 357 358static void android_view_GLES20Canvas_drawBitmapData(JNIEnv* env, jobject clazz, 359 OpenGLRenderer* renderer, jintArray colors, jint offset, jint stride, 360 jfloat left, jfloat top, jint width, jint height, jboolean hasAlpha, SkPaint* paint) { 361 SkBitmap* bitmap = new SkBitmap; 362 bitmap->setConfig(hasAlpha ? SkBitmap::kARGB_8888_Config : SkBitmap::kRGB_565_Config, 363 width, height); 364 365 if (!bitmap->allocPixels()) { 366 delete bitmap; 367 return; 368 } 369 370 if (!GraphicsJNI::SetPixels(env, colors, offset, stride, 0, 0, width, height, *bitmap)) { 371 delete bitmap; 372 return; 373 } 374 375 renderer->drawBitmapData(bitmap, left, top, paint); 376 377 // If the renderer is a deferred renderer it will own the bitmap 378 if (!renderer->isDeferred()) { 379 delete bitmap; 380 } 381} 382 383static void android_view_GLES20Canvas_drawBitmapMesh(JNIEnv* env, jobject clazz, 384 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, 385 jint meshWidth, jint meshHeight, jfloatArray vertices, jint offset, 386 jintArray colors, jint colorOffset, SkPaint* paint) { 387 // This object allows the renderer to allocate a global JNI ref to the buffer object. 388 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 389 390 jfloat* verticesArray = vertices ? env->GetFloatArrayElements(vertices, NULL) + offset : NULL; 391 jint* colorsArray = colors ? env->GetIntArrayElements(colors, NULL) + colorOffset : NULL; 392 393 renderer->drawBitmapMesh(bitmap, meshWidth, meshHeight, verticesArray, colorsArray, paint); 394 395 if (vertices) env->ReleaseFloatArrayElements(vertices, verticesArray, 0); 396 if (colors) env->ReleaseIntArrayElements(colors, colorsArray, 0); 397} 398 399static void android_view_GLES20Canvas_drawPatch(JNIEnv* env, jobject clazz, 400 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, jbyteArray chunks, 401 float left, float top, float right, float bottom, SkPaint* paint) { 402 // This object allows the renderer to allocate a global JNI ref to the buffer object. 403 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 404 405 jbyte* storage = env->GetByteArrayElements(chunks, NULL); 406 Res_png_9patch* patch = reinterpret_cast<Res_png_9patch*>(storage); 407 Res_png_9patch::deserialize(patch); 408 409 renderer->drawPatch(bitmap, &patch->xDivs[0], &patch->yDivs[0], 410 &patch->colors[0], patch->numXDivs, patch->numYDivs, patch->numColors, 411 left, top, right, bottom, paint); 412 413 env->ReleaseByteArrayElements(chunks, storage, 0); 414} 415 416static void android_view_GLES20Canvas_drawColor(JNIEnv* env, jobject clazz, 417 OpenGLRenderer* renderer, jint color, SkXfermode::Mode mode) { 418 renderer->drawColor(color, mode); 419} 420 421static void android_view_GLES20Canvas_drawRect(JNIEnv* env, jobject clazz, 422 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 423 SkPaint* paint) { 424 renderer->drawRect(left, top, right, bottom, paint); 425} 426 427static void android_view_GLES20Canvas_drawRoundRect(JNIEnv* env, jobject clazz, 428 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 429 jfloat rx, jfloat ry, SkPaint* paint) { 430 renderer->drawRoundRect(left, top, right, bottom, rx, ry, paint); 431} 432 433static void android_view_GLES20Canvas_drawCircle(JNIEnv* env, jobject clazz, 434 OpenGLRenderer* renderer, jfloat x, jfloat y, jfloat radius, SkPaint* paint) { 435 renderer->drawCircle(x, y, radius, paint); 436} 437 438static void android_view_GLES20Canvas_drawOval(JNIEnv* env, jobject clazz, 439 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 440 SkPaint* paint) { 441 renderer->drawOval(left, top, right, bottom, paint); 442} 443 444static void android_view_GLES20Canvas_drawArc(JNIEnv* env, jobject clazz, 445 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 446 jfloat startAngle, jfloat sweepAngle, jboolean useCenter, SkPaint* paint) { 447 renderer->drawArc(left, top, right, bottom, startAngle, sweepAngle, useCenter, paint); 448} 449 450static void android_view_GLES20Canvas_drawRects(JNIEnv* env, jobject clazz, 451 OpenGLRenderer* renderer, SkRegion* region, SkPaint* paint) { 452 SkRegion::Iterator it(*region); 453 while (!it.done()) { 454 const SkIRect& r = it.rect(); 455 renderer->drawRect(r.fLeft, r.fTop, r.fRight, r.fBottom, paint); 456 it.next(); 457 } 458} 459 460static void android_view_GLES20Canvas_drawPoints(JNIEnv* env, jobject clazz, 461 OpenGLRenderer* renderer, jfloatArray points, jint offset, jint count, SkPaint* paint) { 462 jfloat* storage = env->GetFloatArrayElements(points, NULL); 463 renderer->drawPoints(storage + offset, count, paint); 464 env->ReleaseFloatArrayElements(points, storage, 0); 465} 466 467static void android_view_GLES20Canvas_drawPath(JNIEnv* env, jobject clazz, 468 OpenGLRenderer* renderer, SkPath* path, SkPaint* paint) { 469 renderer->drawPath(path, paint); 470} 471 472static void android_view_GLES20Canvas_drawLines(JNIEnv* env, jobject clazz, 473 OpenGLRenderer* renderer, jfloatArray points, jint offset, jint count, SkPaint* paint) { 474 jfloat* storage = env->GetFloatArrayElements(points, NULL); 475 renderer->drawLines(storage + offset, count, paint); 476 env->ReleaseFloatArrayElements(points, storage, 0); 477} 478 479// ---------------------------------------------------------------------------- 480// Shaders and color filters 481// ---------------------------------------------------------------------------- 482 483static void android_view_GLES20Canvas_resetModifiers(JNIEnv* env, jobject clazz, 484 OpenGLRenderer* renderer, jint modifiers) { 485 if (modifiers & MODIFIER_SHADOW) renderer->resetShadow(); 486 if (modifiers & MODIFIER_SHADER) renderer->resetShader(); 487 if (modifiers & MODIFIER_COLOR_FILTER) renderer->resetColorFilter(); 488} 489 490static void android_view_GLES20Canvas_setupShader(JNIEnv* env, jobject clazz, 491 OpenGLRenderer* renderer, SkiaShader* shader) { 492 renderer->setupShader(shader); 493} 494 495static void android_view_GLES20Canvas_setupColorFilter(JNIEnv* env, jobject clazz, 496 OpenGLRenderer* renderer, SkiaColorFilter* filter) { 497 renderer->setupColorFilter(filter); 498} 499 500static void android_view_GLES20Canvas_setupShadow(JNIEnv* env, jobject clazz, 501 OpenGLRenderer* renderer, jfloat radius, jfloat dx, jfloat dy, jint color) { 502 renderer->setupShadow(radius, dx, dy, color); 503} 504 505// ---------------------------------------------------------------------------- 506// Draw filters 507// ---------------------------------------------------------------------------- 508 509static void android_view_GLES20Canvas_setupPaintFilter(JNIEnv* env, jobject clazz, 510 OpenGLRenderer* renderer, jint clearBits, jint setBits) { 511 renderer->setupPaintFilter(clearBits, setBits); 512} 513 514static void android_view_GLES20Canvas_resetPaintFilter(JNIEnv* env, jobject clazz, 515 OpenGLRenderer* renderer) { 516 renderer->resetPaintFilter(); 517} 518 519// ---------------------------------------------------------------------------- 520// Text 521// ---------------------------------------------------------------------------- 522 523static void renderText(OpenGLRenderer* renderer, const jchar* text, int count, 524 jfloat x, jfloat y, int flags, SkPaint* paint) { 525 sp<TextLayoutValue> value = TextLayoutEngine::getInstance().getValue(paint, 526 text, 0, count, count, flags); 527 if (value == NULL) { 528 return; 529 } 530 const jchar* glyphs = value->getGlyphs(); 531 size_t glyphsCount = value->getGlyphsCount(); 532 jfloat totalAdvance = value->getTotalAdvance(); 533 const float* positions = value->getPos(); 534 int bytesCount = glyphsCount * sizeof(jchar); 535 renderer->drawText((const char*) glyphs, bytesCount, glyphsCount, x, y, 536 positions, paint, totalAdvance); 537} 538 539static void renderTextOnPath(OpenGLRenderer* renderer, const jchar* text, int count, 540 SkPath* path, jfloat hOffset, jfloat vOffset, int flags, SkPaint* paint) { 541 sp<TextLayoutValue> value = TextLayoutEngine::getInstance().getValue(paint, 542 text, 0, count, count, flags); 543 if (value == NULL) { 544 return; 545 } 546 const jchar* glyphs = value->getGlyphs(); 547 size_t glyphsCount = value->getGlyphsCount(); 548 int bytesCount = glyphsCount * sizeof(jchar); 549 renderer->drawTextOnPath((const char*) glyphs, bytesCount, glyphsCount, path, 550 hOffset, vOffset, paint); 551} 552 553static void renderTextRun(OpenGLRenderer* renderer, const jchar* text, 554 jint start, jint count, jint contextCount, jfloat x, jfloat y, 555 int flags, SkPaint* paint) { 556 sp<TextLayoutValue> value = TextLayoutEngine::getInstance().getValue(paint, 557 text, start, count, contextCount, flags); 558 if (value == NULL) { 559 return; 560 } 561 const jchar* glyphs = value->getGlyphs(); 562 size_t glyphsCount = value->getGlyphsCount(); 563 jfloat totalAdvance = value->getTotalAdvance(); 564 const float* positions = value->getPos(); 565 int bytesCount = glyphsCount * sizeof(jchar); 566 renderer->drawText((const char*) glyphs, bytesCount, glyphsCount, x, y, 567 positions, paint, totalAdvance); 568} 569 570static void android_view_GLES20Canvas_drawTextArray(JNIEnv* env, jobject clazz, 571 OpenGLRenderer* renderer, jcharArray text, jint index, jint count, 572 jfloat x, jfloat y, jint flags, SkPaint* paint) { 573 jchar* textArray = env->GetCharArrayElements(text, NULL); 574 renderText(renderer, textArray + index, count, x, y, flags, paint); 575 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 576} 577 578static void android_view_GLES20Canvas_drawText(JNIEnv* env, jobject clazz, 579 OpenGLRenderer* renderer, jstring text, jint start, jint end, 580 jfloat x, jfloat y, jint flags, SkPaint* paint) { 581 const jchar* textArray = env->GetStringChars(text, NULL); 582 renderText(renderer, textArray + start, end - start, x, y, flags, paint); 583 env->ReleaseStringChars(text, textArray); 584} 585 586static void android_view_GLES20Canvas_drawTextArrayOnPath(JNIEnv* env, jobject clazz, 587 OpenGLRenderer* renderer, jcharArray text, jint index, jint count, 588 SkPath* path, jfloat hOffset, jfloat vOffset, jint flags, SkPaint* paint) { 589 jchar* textArray = env->GetCharArrayElements(text, NULL); 590 renderTextOnPath(renderer, textArray + index, count, path, 591 hOffset, vOffset, flags, paint); 592 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 593} 594 595static void android_view_GLES20Canvas_drawTextOnPath(JNIEnv* env, jobject clazz, 596 OpenGLRenderer* renderer, jstring text, jint start, jint end, 597 SkPath* path, jfloat hOffset, jfloat vOffset, jint flags, SkPaint* paint) { 598 const jchar* textArray = env->GetStringChars(text, NULL); 599 renderTextOnPath(renderer, textArray + start, end - start, path, 600 hOffset, vOffset, flags, paint); 601 env->ReleaseStringChars(text, textArray); 602} 603 604static void android_view_GLES20Canvas_drawTextRunArray(JNIEnv* env, jobject clazz, 605 OpenGLRenderer* renderer, jcharArray text, jint index, jint count, 606 jint contextIndex, jint contextCount, jfloat x, jfloat y, jint dirFlags, 607 SkPaint* paint) { 608 jchar* textArray = env->GetCharArrayElements(text, NULL); 609 renderTextRun(renderer, textArray + contextIndex, index - contextIndex, 610 count, contextCount, x, y, dirFlags, paint); 611 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 612 } 613 614static void android_view_GLES20Canvas_drawTextRun(JNIEnv* env, jobject clazz, 615 OpenGLRenderer* renderer, jstring text, jint start, jint end, 616 jint contextStart, int contextEnd, jfloat x, jfloat y, jint dirFlags, 617 SkPaint* paint) { 618 const jchar* textArray = env->GetStringChars(text, NULL); 619 jint count = end - start; 620 jint contextCount = contextEnd - contextStart; 621 renderTextRun(renderer, textArray + contextStart, start - contextStart, 622 count, contextCount, x, y, dirFlags, paint); 623 env->ReleaseStringChars(text, textArray); 624} 625 626static void renderPosText(OpenGLRenderer* renderer, const jchar* text, int count, 627 const jfloat* positions, jint dirFlags, SkPaint* paint) { 628 sp<TextLayoutValue> value = TextLayoutEngine::getInstance().getValue(paint, 629 text, 0, count, count, dirFlags); 630 if (value == NULL) { 631 return; 632 } 633 const jchar* glyphs = value->getGlyphs(); 634 size_t glyphsCount = value->getGlyphsCount(); 635 if (count < int(glyphsCount)) glyphsCount = count; 636 int bytesCount = glyphsCount * sizeof(jchar); 637 638 renderer->drawPosText((const char*) glyphs, bytesCount, glyphsCount, positions, paint); 639} 640 641static void android_view_GLES20Canvas_drawPosTextArray(JNIEnv* env, jobject clazz, 642 OpenGLRenderer* renderer, jcharArray text, jint index, jint count, 643 jfloatArray pos, SkPaint* paint) { 644 jchar* textArray = env->GetCharArrayElements(text, NULL); 645 jfloat* positions = env->GetFloatArrayElements(pos, NULL); 646 647 renderPosText(renderer, textArray + index, count, positions, kBidi_LTR, paint); 648 649 env->ReleaseFloatArrayElements(pos, positions, JNI_ABORT); 650 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 651} 652 653static void android_view_GLES20Canvas_drawPosText(JNIEnv* env, jobject clazz, 654 OpenGLRenderer* renderer, jstring text, jint start, jint end, 655 jfloatArray pos, SkPaint* paint) { 656 const jchar* textArray = env->GetStringChars(text, NULL); 657 jfloat* positions = env->GetFloatArrayElements(pos, NULL); 658 659 renderPosText(renderer, textArray + start, end - start, positions, kBidi_LTR, paint); 660 661 env->ReleaseFloatArrayElements(pos, positions, JNI_ABORT); 662 env->ReleaseStringChars(text, textArray); 663} 664 665// ---------------------------------------------------------------------------- 666// Display lists 667// ---------------------------------------------------------------------------- 668 669static DisplayList* android_view_GLES20Canvas_getDisplayList(JNIEnv* env, 670 jobject clazz, DisplayListRenderer* renderer, DisplayList* displayList) { 671 return renderer->getDisplayList(displayList); 672} 673 674static jint android_view_GLES20Canvas_getDisplayListSize(JNIEnv* env, 675 jobject clazz, DisplayList* displayList) { 676 return displayList->getSize(); 677} 678 679static void android_view_GLES20Canvas_setDisplayListName(JNIEnv* env, 680 jobject clazz, DisplayList* displayList, jstring name) { 681 if (name != NULL) { 682 const char* textArray = env->GetStringUTFChars(name, NULL); 683 displayList->setName(textArray); 684 env->ReleaseStringUTFChars(name, textArray); 685 } 686} 687 688static OpenGLRenderer* android_view_GLES20Canvas_createDisplayListRenderer(JNIEnv* env, 689 jobject clazz) { 690 return new DisplayListRenderer; 691} 692 693static void android_view_GLES20Canvas_resetDisplayListRenderer(JNIEnv* env, 694 jobject clazz, DisplayListRenderer* renderer) { 695 renderer->reset(); 696} 697 698static void android_view_GLES20Canvas_destroyDisplayList(JNIEnv* env, 699 jobject clazz, DisplayList* displayList) { 700 DisplayList::destroyDisplayListDeferred(displayList); 701} 702 703static jint android_view_GLES20Canvas_drawDisplayList(JNIEnv* env, 704 jobject clazz, OpenGLRenderer* renderer, DisplayList* displayList, 705 jobject dirty, jint flags) { 706 android::uirenderer::Rect bounds; 707 status_t status = renderer->drawDisplayList(displayList, bounds, flags); 708 if (status != DrawGlInfo::kStatusDone && dirty != NULL) { 709 env->CallVoidMethod(dirty, gRectClassInfo.set, 710 int(bounds.left), int(bounds.top), int(bounds.right), int(bounds.bottom)); 711 } 712 return status; 713} 714 715static void android_view_GLES20Canvas_outputDisplayList(JNIEnv* env, 716 jobject clazz, OpenGLRenderer* renderer, DisplayList* displayList) { 717 renderer->outputDisplayList(displayList); 718} 719 720// ---------------------------------------------------------------------------- 721// Layers 722// ---------------------------------------------------------------------------- 723 724static void android_view_GLES20Canvas_interrupt(JNIEnv* env, jobject clazz, 725 OpenGLRenderer* renderer) { 726 renderer->interrupt(); 727} 728 729static void android_view_GLES20Canvas_resume(JNIEnv* env, jobject clazz, 730 OpenGLRenderer* renderer) { 731 renderer->resume(); 732} 733 734static OpenGLRenderer* android_view_GLES20Canvas_createLayerRenderer(JNIEnv* env, 735 jobject clazz, Layer* layer) { 736 if (layer) { 737 return new LayerRenderer(layer); 738 } 739 return NULL; 740} 741 742static Layer* android_view_GLES20Canvas_createTextureLayer(JNIEnv* env, jobject clazz, 743 jboolean isOpaque, jintArray layerInfo) { 744 Layer* layer = LayerRenderer::createTextureLayer(isOpaque); 745 746 if (layer) { 747 jint* storage = env->GetIntArrayElements(layerInfo, NULL); 748 storage[0] = layer->getTexture(); 749 env->ReleaseIntArrayElements(layerInfo, storage, 0); 750 } 751 752 return layer; 753} 754 755static Layer* android_view_GLES20Canvas_createLayer(JNIEnv* env, jobject clazz, 756 jint width, jint height, jboolean isOpaque, jintArray layerInfo) { 757 Layer* layer = LayerRenderer::createLayer(width, height, isOpaque); 758 759 if (layer) { 760 jint* storage = env->GetIntArrayElements(layerInfo, NULL); 761 storage[0] = layer->getWidth(); 762 storage[1] = layer->getHeight(); 763 env->ReleaseIntArrayElements(layerInfo, storage, 0); 764 } 765 766 return layer; 767} 768 769static void android_view_GLES20Canvas_resizeLayer(JNIEnv* env, jobject clazz, 770 Layer* layer, jint width, jint height, jintArray layerInfo) { 771 LayerRenderer::resizeLayer(layer, width, height); 772 773 jint* storage = env->GetIntArrayElements(layerInfo, NULL); 774 storage[0] = layer->getWidth(); 775 storage[1] = layer->getHeight(); 776 env->ReleaseIntArrayElements(layerInfo, storage, 0); 777} 778 779static void android_view_GLES20Canvas_setOpaqueLayer(JNIEnv* env, jobject clazz, 780 Layer* layer, jboolean isOpaque) { 781 if (layer) { 782 layer->setBlend(!isOpaque); 783 } 784} 785 786static void android_view_GLES20Canvas_updateTextureLayer(JNIEnv* env, jobject clazz, 787 Layer* layer, jint width, jint height, jboolean isOpaque, jobject surface) { 788 float transform[16]; 789 sp<SurfaceTexture> surfaceTexture(SurfaceTexture_getSurfaceTexture(env, surface)); 790 791 if (surfaceTexture->updateTexImage() == NO_ERROR) { 792 surfaceTexture->getTransformMatrix(transform); 793 GLenum renderTarget = surfaceTexture->getCurrentTextureTarget(); 794 795 LayerRenderer::updateTextureLayer(layer, width, height, isOpaque, renderTarget, transform); 796 } 797} 798 799static void android_view_GLES20Canvas_updateRenderLayer(JNIEnv* env, jobject clazz, 800 Layer* layer, OpenGLRenderer* renderer, DisplayList* displayList, 801 jint left, jint top, jint right, jint bottom) { 802 layer->updateDeferred(renderer, displayList, left, top, right, bottom); 803} 804 805static void android_view_GLES20Canvas_setTextureLayerTransform(JNIEnv* env, jobject clazz, 806 Layer* layer, SkMatrix* matrix) { 807 808 layer->getTransform().load(*matrix); 809} 810 811static void android_view_GLES20Canvas_destroyLayer(JNIEnv* env, jobject clazz, Layer* layer) { 812 LayerRenderer::destroyLayer(layer); 813} 814 815static void android_view_GLES20Canvas_destroyLayerDeferred(JNIEnv* env, 816 jobject clazz, Layer* layer) { 817 LayerRenderer::destroyLayerDeferred(layer); 818} 819 820static void android_view_GLES20Canvas_drawLayer(JNIEnv* env, jobject clazz, 821 OpenGLRenderer* renderer, Layer* layer, jfloat x, jfloat y, SkPaint* paint) { 822 renderer->drawLayer(layer, x, y, paint); 823} 824 825static jboolean android_view_GLES20Canvas_copyLayer(JNIEnv* env, jobject clazz, 826 Layer* layer, SkBitmap* bitmap) { 827 return LayerRenderer::copyLayer(layer, bitmap); 828} 829 830#endif // USE_OPENGL_RENDERER 831 832// ---------------------------------------------------------------------------- 833// Common 834// ---------------------------------------------------------------------------- 835 836static jboolean android_view_GLES20Canvas_isAvailable(JNIEnv* env, jobject clazz) { 837#ifdef USE_OPENGL_RENDERER 838 char prop[PROPERTY_VALUE_MAX]; 839 if (property_get("ro.kernel.qemu", prop, NULL) == 0) { 840 // not in the emulator 841 return JNI_TRUE; 842 } 843 // In the emulator this property will be set to 1 when hardware GLES is 844 // enabled, 0 otherwise. On old emulator versions it will be undefined. 845 property_get("ro.kernel.qemu.gles", prop, "0"); 846 return atoi(prop) == 1 ? JNI_TRUE : JNI_FALSE; 847#else 848 return JNI_FALSE; 849#endif 850} 851 852// ---------------------------------------------------------------------------- 853// Logging 854// ---------------------------------------------------------------------------- 855 856static void 857android_app_ActivityThread_dumpGraphics(JNIEnv* env, jobject clazz, jobject javaFileDescriptor) { 858#ifdef USE_OPENGL_RENDERER 859 int fd = jniGetFDFromFileDescriptor(env, javaFileDescriptor); 860 android::uirenderer::DisplayList::outputLogBuffer(fd); 861#endif // USE_OPENGL_RENDERER 862} 863 864// ---------------------------------------------------------------------------- 865// JNI Glue 866// ---------------------------------------------------------------------------- 867 868const char* const kClassPathName = "android/view/GLES20Canvas"; 869 870static JNINativeMethod gMethods[] = { 871 { "nIsAvailable", "()Z", (void*) android_view_GLES20Canvas_isAvailable }, 872 873#ifdef USE_OPENGL_RENDERER 874 { "nFlushCaches", "(I)V", (void*) android_view_GLES20Canvas_flushCaches }, 875 { "nInitCaches", "()V", (void*) android_view_GLES20Canvas_initCaches }, 876 { "nTerminateCaches", "()V", (void*) android_view_GLES20Canvas_terminateCaches }, 877 878 { "nCreateRenderer", "()I", (void*) android_view_GLES20Canvas_createRenderer }, 879 { "nDestroyRenderer", "(I)V", (void*) android_view_GLES20Canvas_destroyRenderer }, 880 { "nSetViewport", "(III)V", (void*) android_view_GLES20Canvas_setViewport }, 881 { "nPrepare", "(IZ)I", (void*) android_view_GLES20Canvas_prepare }, 882 { "nPrepareDirty", "(IIIIIZ)I", (void*) android_view_GLES20Canvas_prepareDirty }, 883 { "nFinish", "(I)V", (void*) android_view_GLES20Canvas_finish }, 884 885 { "nGetStencilSize", "()I", (void*) android_view_GLES20Canvas_getStencilSize }, 886 887 { "nCallDrawGLFunction", "(II)I", (void*) android_view_GLES20Canvas_callDrawGLFunction }, 888 { "nDetachFunctor", "(II)V", (void*) android_view_GLES20Canvas_detachFunctor }, 889 { "nAttachFunctor", "(II)V", (void*) android_view_GLES20Canvas_attachFunctor }, 890 { "nInvokeFunctors", "(ILandroid/graphics/Rect;)I", 891 (void*) android_view_GLES20Canvas_invokeFunctors }, 892 893 { "nSave", "(II)I", (void*) android_view_GLES20Canvas_save }, 894 { "nRestore", "(I)V", (void*) android_view_GLES20Canvas_restore }, 895 { "nRestoreToCount", "(II)V", (void*) android_view_GLES20Canvas_restoreToCount }, 896 { "nGetSaveCount", "(I)I", (void*) android_view_GLES20Canvas_getSaveCount }, 897 898 { "nSaveLayer", "(IFFFFII)I", (void*) android_view_GLES20Canvas_saveLayer }, 899 { "nSaveLayer", "(III)I", (void*) android_view_GLES20Canvas_saveLayerClip }, 900 { "nSaveLayerAlpha", "(IFFFFII)I", (void*) android_view_GLES20Canvas_saveLayerAlpha }, 901 { "nSaveLayerAlpha", "(III)I", (void*) android_view_GLES20Canvas_saveLayerAlphaClip }, 902 903 { "nQuickReject", "(IFFFFI)Z", (void*) android_view_GLES20Canvas_quickReject }, 904 { "nClipRect", "(IFFFFI)Z", (void*) android_view_GLES20Canvas_clipRectF }, 905 { "nClipRect", "(IIIIII)Z", (void*) android_view_GLES20Canvas_clipRect }, 906 907 { "nTranslate", "(IFF)V", (void*) android_view_GLES20Canvas_translate }, 908 { "nRotate", "(IF)V", (void*) android_view_GLES20Canvas_rotate }, 909 { "nScale", "(IFF)V", (void*) android_view_GLES20Canvas_scale }, 910 { "nSkew", "(IFF)V", (void*) android_view_GLES20Canvas_skew }, 911 912 { "nSetMatrix", "(II)V", (void*) android_view_GLES20Canvas_setMatrix }, 913 { "nGetMatrix", "(II)V", (void*) android_view_GLES20Canvas_getMatrix }, 914 { "nConcatMatrix", "(II)V", (void*) android_view_GLES20Canvas_concatMatrix }, 915 916 { "nDrawBitmap", "(II[BFFI)V", (void*) android_view_GLES20Canvas_drawBitmap }, 917 { "nDrawBitmap", "(II[BFFFFFFFFI)V",(void*) android_view_GLES20Canvas_drawBitmapRect }, 918 { "nDrawBitmap", "(II[BII)V", (void*) android_view_GLES20Canvas_drawBitmapMatrix }, 919 { "nDrawBitmap", "(I[IIIFFIIZI)V", (void*) android_view_GLES20Canvas_drawBitmapData }, 920 921 { "nDrawBitmapMesh", "(II[BII[FI[III)V",(void*) android_view_GLES20Canvas_drawBitmapMesh }, 922 923 { "nDrawPatch", "(II[B[BFFFFI)V", (void*) android_view_GLES20Canvas_drawPatch }, 924 925 { "nDrawColor", "(III)V", (void*) android_view_GLES20Canvas_drawColor }, 926 { "nDrawRect", "(IFFFFI)V", (void*) android_view_GLES20Canvas_drawRect }, 927 { "nDrawRects", "(III)V", (void*) android_view_GLES20Canvas_drawRects }, 928 { "nDrawRoundRect", "(IFFFFFFI)V", (void*) android_view_GLES20Canvas_drawRoundRect }, 929 { "nDrawCircle", "(IFFFI)V", (void*) android_view_GLES20Canvas_drawCircle }, 930 { "nDrawOval", "(IFFFFI)V", (void*) android_view_GLES20Canvas_drawOval }, 931 { "nDrawArc", "(IFFFFFFZI)V", (void*) android_view_GLES20Canvas_drawArc }, 932 { "nDrawPoints", "(I[FIII)V", (void*) android_view_GLES20Canvas_drawPoints }, 933 934 { "nDrawPath", "(III)V", (void*) android_view_GLES20Canvas_drawPath }, 935 { "nDrawLines", "(I[FIII)V", (void*) android_view_GLES20Canvas_drawLines }, 936 937 { "nResetModifiers", "(II)V", (void*) android_view_GLES20Canvas_resetModifiers }, 938 { "nSetupShader", "(II)V", (void*) android_view_GLES20Canvas_setupShader }, 939 { "nSetupColorFilter", "(II)V", (void*) android_view_GLES20Canvas_setupColorFilter }, 940 { "nSetupShadow", "(IFFFI)V", (void*) android_view_GLES20Canvas_setupShadow }, 941 942 { "nSetupPaintFilter", "(III)V", (void*) android_view_GLES20Canvas_setupPaintFilter }, 943 { "nResetPaintFilter", "(I)V", (void*) android_view_GLES20Canvas_resetPaintFilter }, 944 945 { "nDrawText", "(I[CIIFFII)V", (void*) android_view_GLES20Canvas_drawTextArray }, 946 { "nDrawText", "(ILjava/lang/String;IIFFII)V", 947 (void*) android_view_GLES20Canvas_drawText }, 948 949 { "nDrawTextOnPath", "(I[CIIIFFII)V", (void*) android_view_GLES20Canvas_drawTextArrayOnPath }, 950 { "nDrawTextOnPath", "(ILjava/lang/String;IIIFFII)V", 951 (void*) android_view_GLES20Canvas_drawTextOnPath }, 952 953 { "nDrawTextRun", "(I[CIIIIFFII)V", (void*) android_view_GLES20Canvas_drawTextRunArray }, 954 { "nDrawTextRun", "(ILjava/lang/String;IIIIFFII)V", 955 (void*) android_view_GLES20Canvas_drawTextRun }, 956 957 { "nDrawPosText", "(I[CII[FI)V", (void*) android_view_GLES20Canvas_drawPosTextArray }, 958 { "nDrawPosText", "(ILjava/lang/String;II[FI)V", 959 (void*) android_view_GLES20Canvas_drawPosText }, 960 961 { "nGetClipBounds", "(ILandroid/graphics/Rect;)Z", 962 (void*) android_view_GLES20Canvas_getClipBounds }, 963 964 { "nGetDisplayList", "(II)I", (void*) android_view_GLES20Canvas_getDisplayList }, 965 { "nDestroyDisplayList", "(I)V", (void*) android_view_GLES20Canvas_destroyDisplayList }, 966 { "nGetDisplayListSize", "(I)I", (void*) android_view_GLES20Canvas_getDisplayListSize }, 967 { "nSetDisplayListName", "(ILjava/lang/String;)V", 968 (void*) android_view_GLES20Canvas_setDisplayListName }, 969 { "nDrawDisplayList", "(IILandroid/graphics/Rect;I)I", 970 (void*) android_view_GLES20Canvas_drawDisplayList }, 971 972 { "nCreateDisplayListRenderer", "()I", (void*) android_view_GLES20Canvas_createDisplayListRenderer }, 973 { "nResetDisplayListRenderer", "(I)V", (void*) android_view_GLES20Canvas_resetDisplayListRenderer }, 974 975 { "nOutputDisplayList", "(II)V", (void*) android_view_GLES20Canvas_outputDisplayList }, 976 { "nInterrupt", "(I)V", (void*) android_view_GLES20Canvas_interrupt }, 977 { "nResume", "(I)V", (void*) android_view_GLES20Canvas_resume }, 978 979 { "nCreateLayerRenderer", "(I)I", (void*) android_view_GLES20Canvas_createLayerRenderer }, 980 { "nCreateLayer", "(IIZ[I)I", (void*) android_view_GLES20Canvas_createLayer }, 981 { "nResizeLayer", "(III[I)V" , (void*) android_view_GLES20Canvas_resizeLayer }, 982 { "nSetOpaqueLayer", "(IZ)V", (void*) android_view_GLES20Canvas_setOpaqueLayer }, 983 { "nCreateTextureLayer", "(Z[I)I", (void*) android_view_GLES20Canvas_createTextureLayer }, 984 { "nUpdateTextureLayer", "(IIIZLandroid/graphics/SurfaceTexture;)V", 985 (void*) android_view_GLES20Canvas_updateTextureLayer }, 986 { "nUpdateRenderLayer", "(IIIIIII)V", (void*) android_view_GLES20Canvas_updateRenderLayer }, 987 { "nDestroyLayer", "(I)V", (void*) android_view_GLES20Canvas_destroyLayer }, 988 { "nDestroyLayerDeferred", "(I)V", (void*) android_view_GLES20Canvas_destroyLayerDeferred }, 989 { "nDrawLayer", "(IIFFI)V", (void*) android_view_GLES20Canvas_drawLayer }, 990 { "nCopyLayer", "(II)Z", (void*) android_view_GLES20Canvas_copyLayer }, 991 992 { "nSetTextureLayerTransform", "(II)V", (void*) android_view_GLES20Canvas_setTextureLayerTransform }, 993 994 { "nGetMaximumTextureWidth", "()I", (void*) android_view_GLES20Canvas_getMaxTextureWidth }, 995 { "nGetMaximumTextureHeight", "()I", (void*) android_view_GLES20Canvas_getMaxTextureHeight }, 996 997#endif 998}; 999 1000static JNINativeMethod gActivityThreadMethods[] = { 1001 { "dumpGraphicsInfo", "(Ljava/io/FileDescriptor;)V", 1002 (void*) android_app_ActivityThread_dumpGraphics } 1003}; 1004 1005 1006#ifdef USE_OPENGL_RENDERER 1007 #define FIND_CLASS(var, className) \ 1008 var = env->FindClass(className); \ 1009 LOG_FATAL_IF(! var, "Unable to find class " className); 1010 1011 #define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) \ 1012 var = env->GetMethodID(clazz, methodName, methodDescriptor); \ 1013 LOG_FATAL_IF(! var, "Unable to find method " methodName); 1014#else 1015 #define FIND_CLASS(var, className) 1016 #define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) 1017#endif 1018 1019int register_android_view_GLES20Canvas(JNIEnv* env) { 1020 jclass clazz; 1021 FIND_CLASS(clazz, "android/graphics/Rect"); 1022 GET_METHOD_ID(gRectClassInfo.set, clazz, "set", "(IIII)V"); 1023 1024 return AndroidRuntime::registerNativeMethods(env, kClassPathName, gMethods, NELEM(gMethods)); 1025} 1026 1027const char* const kActivityThreadPathName = "android/app/ActivityThread"; 1028 1029int register_android_app_ActivityThread(JNIEnv* env) { 1030 return AndroidRuntime::registerNativeMethods(env, kActivityThreadPathName, 1031 gActivityThreadMethods, NELEM(gActivityThreadMethods)); 1032} 1033 1034}; 1035