android_view_GLES20Canvas.cpp revision 01d58e43ede5ca98cbebdd166f9b0c545032c01b
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#include <android_runtime/AndroidRuntime.h> 23#include <utils/ResourceTypes.h> 24 25#include <SkBitmap.h> 26#include <SkCanvas.h> 27#include <SkMatrix.h> 28#include <SkPaint.h> 29#include <SkRegion.h> 30#include <SkScalerContext.h> 31#include <SkTemplates.h> 32#include <SkXfermode.h> 33 34#include <DisplayListRenderer.h> 35#include <LayerRenderer.h> 36#include <OpenGLDebugRenderer.h> 37#include <OpenGLRenderer.h> 38#include <SkiaShader.h> 39#include <SkiaColorFilter.h> 40#include <Rect.h> 41 42#include "TextLayout.h" 43 44namespace android { 45 46using namespace uirenderer; 47 48/** 49 * Note: OpenGLRenderer JNI layer is generated and compiled only on supported 50 * devices. This means all the logic must be compiled only when the 51 * preprocessor variable USE_OPENGL_RENDERER is defined. 52 */ 53#ifdef USE_OPENGL_RENDERER 54 55/////////////////////////////////////////////////////////////////////////////// 56// Defines 57/////////////////////////////////////////////////////////////////////////////// 58 59// Debug 60#define DEBUG_RENDERER 0 61#define PROFILE_RENDERER 0 62 63// Debug 64#if DEBUG_RENDERER 65 #define RENDERER_LOGD(...) LOGD(__VA_ARGS__) 66#else 67 #define RENDERER_LOGD(...) 68#endif 69 70// ---------------------------------------------------------------------------- 71 72static struct { 73 jclass clazz; 74 jmethodID set; 75} gRectClassInfo; 76 77// ---------------------------------------------------------------------------- 78// Constructors 79// ---------------------------------------------------------------------------- 80 81static OpenGLRenderer* android_view_GLES20Canvas_createRenderer(JNIEnv* env, jobject clazz) { 82 RENDERER_LOGD("Create OpenGLRenderer"); 83#if PROFILE_RENDERER 84 return new OpenGLDebugRenderer; 85#else 86 return new OpenGLRenderer; 87#endif 88} 89 90static void android_view_GLES20Canvas_destroyRenderer(JNIEnv* env, jobject clazz, 91 OpenGLRenderer* renderer) { 92 RENDERER_LOGD("Destroy OpenGLRenderer"); 93 delete renderer; 94} 95 96// ---------------------------------------------------------------------------- 97// Setup 98// ---------------------------------------------------------------------------- 99 100static void android_view_GLES20Canvas_setViewport(JNIEnv* env, jobject canvas, 101 OpenGLRenderer* renderer, jint width, jint height) { 102 renderer->setViewport(width, height); 103} 104 105static void android_view_GLES20Canvas_prepare(JNIEnv* env, jobject canvas, 106 OpenGLRenderer* renderer, jboolean opaque) { 107 renderer->prepare(opaque); 108} 109 110static void android_view_GLES20Canvas_finish(JNIEnv* env, jobject canvas, 111 OpenGLRenderer* renderer) { 112 renderer->finish(); 113} 114 115static void android_view_GLES20Canvas_acquireContext(JNIEnv* env, jobject canvas, 116 OpenGLRenderer* renderer) { 117 renderer->acquireContext(); 118} 119 120static void android_view_GLES20Canvas_releaseContext(JNIEnv* env, jobject canvas, 121 OpenGLRenderer* renderer) { 122 renderer->releaseContext(); 123} 124 125// ---------------------------------------------------------------------------- 126// State 127// ---------------------------------------------------------------------------- 128 129static jint android_view_GLES20Canvas_save(JNIEnv* env, jobject canvas, OpenGLRenderer* renderer, 130 jint flags) { 131 return renderer->save(flags); 132} 133 134static jint android_view_GLES20Canvas_getSaveCount(JNIEnv* env, jobject canvas, 135 OpenGLRenderer* renderer) { 136 return renderer->getSaveCount(); 137} 138 139static void android_view_GLES20Canvas_restore(JNIEnv* env, jobject canvas, 140 OpenGLRenderer* renderer) { 141 renderer->restore(); 142} 143 144static void android_view_GLES20Canvas_restoreToCount(JNIEnv* env, jobject canvas, 145 OpenGLRenderer* renderer, jint saveCount) { 146 renderer->restoreToCount(saveCount); 147} 148 149// ---------------------------------------------------------------------------- 150// Layers 151// ---------------------------------------------------------------------------- 152 153static jint android_view_GLES20Canvas_saveLayer(JNIEnv* env, jobject canvas, 154 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 155 SkPaint* paint, jint saveFlags) { 156 return renderer->saveLayer(left, top, right, bottom, paint, saveFlags); 157} 158 159static jint android_view_GLES20Canvas_saveLayerAlpha(JNIEnv* env, jobject canvas, 160 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 161 jint alpha, jint saveFlags) { 162 return renderer->saveLayerAlpha(left, top, right, bottom, alpha, saveFlags); 163} 164 165// ---------------------------------------------------------------------------- 166// Clipping 167// ---------------------------------------------------------------------------- 168 169static bool android_view_GLES20Canvas_quickReject(JNIEnv* env, jobject canvas, 170 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 171 SkCanvas::EdgeType edge) { 172 return renderer->quickReject(left, top, right, bottom); 173} 174 175static bool android_view_GLES20Canvas_clipRectF(JNIEnv* env, jobject canvas, 176 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 177 SkRegion::Op op) { 178 return renderer->clipRect(left, top, right, bottom, op); 179} 180 181static bool android_view_GLES20Canvas_clipRect(JNIEnv* env, jobject canvas, 182 OpenGLRenderer* renderer, jint left, jint top, jint right, jint bottom, 183 SkRegion::Op op) { 184 return renderer->clipRect(float(left), float(top), float(right), float(bottom), op); 185} 186 187static bool android_view_GLES20Canvas_getClipBounds(JNIEnv* env, jobject canvas, 188 OpenGLRenderer* renderer, jobject rect) { 189 const android::uirenderer::Rect& bounds(renderer->getClipBounds()); 190 191 env->CallVoidMethod(rect, gRectClassInfo.set, 192 int(bounds.left), int(bounds.top), int(bounds.right), int(bounds.bottom)); 193 194 return !bounds.isEmpty(); 195} 196 197// ---------------------------------------------------------------------------- 198// Transforms 199// ---------------------------------------------------------------------------- 200 201static void android_view_GLES20Canvas_translate(JNIEnv* env, jobject canvas, 202 OpenGLRenderer* renderer, jfloat dx, jfloat dy) { 203 renderer->translate(dx, dy); 204} 205 206static void android_view_GLES20Canvas_rotate(JNIEnv* env, jobject canvas, 207 OpenGLRenderer* renderer, jfloat degrees) { 208 renderer->rotate(degrees); 209} 210 211static void android_view_GLES20Canvas_scale(JNIEnv* env, jobject canvas, 212 OpenGLRenderer* renderer, jfloat sx, jfloat sy) { 213 renderer->scale(sx, sy); 214} 215 216static void android_view_GLES20Canvas_skew(JNIEnv* env, jobject canvas, 217 OpenGLRenderer* renderer, jfloat sx, jfloat sy) { 218 renderer->skew(sx, sy); 219} 220 221static void android_view_GLES20Canvas_setMatrix(JNIEnv* env, jobject canvas, 222 OpenGLRenderer* renderer, SkMatrix* matrix) { 223 renderer->setMatrix(matrix); 224} 225 226static const float* android_view_GLES20Canvas_getNativeMatrix(JNIEnv* env, 227 jobject canvas, OpenGLRenderer* renderer) { 228 return renderer->getMatrix(); 229} 230 231static void android_view_GLES20Canvas_getMatrix(JNIEnv* env, jobject canvas, 232 OpenGLRenderer* renderer, SkMatrix* matrix) { 233 renderer->getMatrix(matrix); 234} 235 236static void android_view_GLES20Canvas_concatMatrix(JNIEnv* env, jobject canvas, 237 OpenGLRenderer* renderer, SkMatrix* matrix) { 238 renderer->concatMatrix(matrix); 239} 240 241// ---------------------------------------------------------------------------- 242// Drawing 243// ---------------------------------------------------------------------------- 244 245static void android_view_GLES20Canvas_drawBitmap(JNIEnv* env, jobject canvas, 246 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, float left, 247 float top, SkPaint* paint) { 248 // This object allows the renderer to allocate a global JNI ref to the buffer object. 249 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 250 251 renderer->drawBitmap(bitmap, left, top, paint); 252} 253 254static void android_view_GLES20Canvas_drawBitmapRect(JNIEnv* env, jobject canvas, 255 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, 256 float srcLeft, float srcTop, float srcRight, float srcBottom, 257 float dstLeft, float dstTop, float dstRight, float dstBottom, SkPaint* paint) { 258 // This object allows the renderer to allocate a global JNI ref to the buffer object. 259 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 260 261 renderer->drawBitmap(bitmap, srcLeft, srcTop, srcRight, srcBottom, 262 dstLeft, dstTop, dstRight, dstBottom, paint); 263} 264 265static void android_view_GLES20Canvas_drawBitmapMatrix(JNIEnv* env, jobject canvas, 266 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, SkMatrix* matrix, 267 SkPaint* paint) { 268 // This object allows the renderer to allocate a global JNI ref to the buffer object. 269 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 270 271 renderer->drawBitmap(bitmap, matrix, paint); 272} 273 274static void android_view_GLES20Canvas_drawPatch(JNIEnv* env, jobject canvas, 275 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, jbyteArray chunks, 276 float left, float top, float right, float bottom, SkPaint* paint) { 277 // This object allows the renderer to allocate a global JNI ref to the buffer object. 278 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 279 280 jbyte* storage = env->GetByteArrayElements(chunks, NULL); 281 Res_png_9patch* patch = reinterpret_cast<Res_png_9patch*>(storage); 282 Res_png_9patch::deserialize(patch); 283 284 renderer->drawPatch(bitmap, &patch->xDivs[0], &patch->yDivs[0], 285 &patch->colors[0], patch->numXDivs, patch->numYDivs, patch->numColors, 286 left, top, right, bottom, paint); 287 288 env->ReleaseByteArrayElements(chunks, storage, 0); 289} 290 291static void android_view_GLES20Canvas_drawColor(JNIEnv* env, jobject canvas, 292 OpenGLRenderer* renderer, jint color, SkXfermode::Mode mode) { 293 renderer->drawColor(color, mode); 294} 295 296static void android_view_GLES20Canvas_drawRect(JNIEnv* env, jobject canvas, 297 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 298 SkPaint* paint) { 299 renderer->drawRect(left, top, right, bottom, paint); 300} 301 302static void android_view_GLES20Canvas_drawRoundRect(JNIEnv* env, jobject canvas, 303 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 304 jfloat rx, jfloat ry, SkPaint* paint) { 305 renderer->drawRoundRect(left, top, right, bottom, rx, ry, paint); 306} 307 308static void android_view_GLES20Canvas_drawCircle(JNIEnv* env, jobject canvas, 309 OpenGLRenderer* renderer, jfloat x, jfloat y, jfloat radius, SkPaint* paint) { 310 renderer->drawCircle(x, y, radius, paint); 311} 312 313static void android_view_GLES20Canvas_drawRects(JNIEnv* env, jobject canvas, 314 OpenGLRenderer* renderer, SkRegion* region, SkPaint* paint) { 315 SkRegion::Iterator it(*region); 316 while (!it.done()) { 317 const SkIRect& r = it.rect(); 318 renderer->drawRect(r.fLeft, r.fTop, r.fRight, r.fBottom, paint); 319 it.next(); 320 } 321} 322 323static void android_view_GLES20Canvas_drawPath(JNIEnv* env, jobject canvas, 324 OpenGLRenderer* renderer, SkPath* path, SkPaint* paint) { 325 renderer->drawPath(path, paint); 326} 327 328static void android_view_GLES20Canvas_drawLines(JNIEnv* env, jobject canvas, 329 OpenGLRenderer* renderer, jfloatArray points, jint offset, jint count, SkPaint* paint) { 330 jfloat* storage = env->GetFloatArrayElements(points, NULL); 331 332 renderer->drawLines(storage + offset, count, paint); 333 334 env->ReleaseFloatArrayElements(points, storage, 0); 335} 336 337// ---------------------------------------------------------------------------- 338// Shaders and color filters 339// ---------------------------------------------------------------------------- 340 341static void android_view_GLES20Canvas_resetModifiers(JNIEnv* env, jobject canvas, 342 OpenGLRenderer* renderer) { 343 renderer->resetShader(); 344 renderer->resetColorFilter(); 345 renderer->resetShadow(); 346} 347 348static void android_view_GLES20Canvas_setupShader(JNIEnv* env, jobject canvas, 349 OpenGLRenderer* renderer, SkiaShader* shader) { 350 renderer->setupShader(shader); 351} 352 353static void android_view_GLES20Canvas_setupColorFilter(JNIEnv* env, jobject canvas, 354 OpenGLRenderer* renderer, SkiaColorFilter* filter) { 355 renderer->setupColorFilter(filter); 356} 357 358static void android_view_GLES20Canvas_setupShadow(JNIEnv* env, jobject canvas, 359 OpenGLRenderer* renderer, jfloat radius, jfloat dx, jfloat dy, jint color) { 360 renderer->setupShadow(radius, dx, dy, color); 361} 362 363// ---------------------------------------------------------------------------- 364// Text 365// ---------------------------------------------------------------------------- 366 367static void renderText(OpenGLRenderer* renderer, const jchar* text, int count, 368 jfloat x, jfloat y, int flags, SkPaint* paint) { 369 const jchar *workText; 370 jchar* buffer = NULL; 371 int32_t workBytes; 372 if (TextLayout::prepareText(paint, text, count, flags, &workText, &workBytes, &buffer)) { 373 renderer->drawText((const char*) workText, workBytes, count, x, y, paint); 374 free(buffer); 375 } 376} 377 378static void renderTextRun(OpenGLRenderer* renderer, const jchar* text, 379 jint start, jint count, jint contextCount, jfloat x, jfloat y, 380 int flags, SkPaint* paint) { 381 uint8_t rtl = flags & 0x1; 382 if (rtl) { 383 SkAutoSTMalloc<80, jchar> buffer(contextCount); 384 jchar* shaped = buffer.get(); 385 if (TextLayout::prepareRtlTextRun(text, start, count, contextCount, shaped)) { 386 renderer->drawText((const char*) shaped, count << 1, count, x, y, paint); 387 } else { 388 LOGW("drawTextRun error"); 389 } 390 } else { 391 renderer->drawText((const char*) (text + start), count << 1, count, x, y, paint); 392 } 393} 394 395static void android_view_GLES20Canvas_drawTextArray(JNIEnv* env, jobject canvas, 396 OpenGLRenderer* renderer, jcharArray text, int index, int count, 397 jfloat x, jfloat y, int flags, SkPaint* paint) { 398 jchar* textArray = env->GetCharArrayElements(text, NULL); 399 renderText(renderer, textArray + index, count, x, y, flags, paint); 400 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 401} 402 403static void android_view_GLES20Canvas_drawText(JNIEnv* env, jobject canvas, 404 OpenGLRenderer* renderer, jstring text, int start, int end, 405 jfloat x, jfloat y, int flags, SkPaint* paint) { 406 const jchar* textArray = env->GetStringChars(text, NULL); 407 renderText(renderer, textArray + start, end - start, x, y, flags, paint); 408 env->ReleaseStringChars(text, textArray); 409} 410 411static void android_view_GLES20Canvas_drawTextRunArray(JNIEnv* env, jobject canvas, 412 OpenGLRenderer* renderer, jcharArray text, int index, int count, 413 int contextIndex, int contextCount, jfloat x, jfloat y, int dirFlags, 414 SkPaint* paint) { 415 jchar* textArray = env->GetCharArrayElements(text, NULL); 416 renderTextRun(renderer, textArray + contextIndex, index - contextIndex, 417 count, contextCount, x, y, dirFlags, paint); 418 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 419 } 420 421static void android_view_GLES20Canvas_drawTextRun(JNIEnv* env, jobject canvas, 422 OpenGLRenderer* renderer, jstring text, int start, int end, 423 int contextStart, int contextEnd, jfloat x, jfloat y, int dirFlags, 424 SkPaint* paint) { 425 const jchar* textArray = env->GetStringChars(text, NULL); 426 jint count = end - start; 427 jint contextCount = contextEnd - contextStart; 428 renderTextRun(renderer, textArray + contextStart, start - contextStart, 429 count, contextCount, x, y, dirFlags, paint); 430 env->ReleaseStringChars(text, textArray); 431} 432 433// ---------------------------------------------------------------------------- 434// Display lists 435// ---------------------------------------------------------------------------- 436 437static DisplayList* android_view_GLES20Canvas_getDisplayList(JNIEnv* env, 438 jobject canvas, DisplayListRenderer* renderer) { 439 return renderer->getDisplayList(); 440} 441 442static OpenGLRenderer* android_view_GLES20Canvas_getDisplayListRenderer(JNIEnv* env, 443 jobject clazz, DisplayListRenderer* renderer) { 444 if (renderer == NULL) { 445 renderer = new DisplayListRenderer; 446 } else { 447 renderer->reset(); 448 } 449 return renderer; 450} 451 452static void android_view_GLES20Canvas_destroyDisplayList(JNIEnv* env, 453 jobject clazz, DisplayList* displayList) { 454 delete displayList; 455} 456 457static void android_view_GLES20Canvas_drawDisplayList(JNIEnv* env, 458 jobject canvas, OpenGLRenderer* renderer, DisplayList* displayList) { 459 renderer->drawDisplayList(displayList); 460} 461 462// ---------------------------------------------------------------------------- 463// Layers 464// ---------------------------------------------------------------------------- 465 466static void android_view_GLES20Canvas_interrupt(JNIEnv* env, jobject canvas, 467 OpenGLRenderer* renderer) { 468 renderer->interrupt(); 469} 470 471static void android_view_GLES20Canvas_resume(JNIEnv* env, jobject canvas, 472 OpenGLRenderer* renderer) { 473 renderer->resume(); 474} 475 476static OpenGLRenderer* android_view_GLES20Canvas_createLayerRenderer(JNIEnv* env, 477 jobject clazz, Layer* layer) { 478 if (layer) { 479 return new LayerRenderer(layer); 480 } 481 return NULL; 482} 483 484static Layer* android_view_GLES20Canvas_createLayer(JNIEnv* env, jobject clazz, 485 jint width, jint height, jboolean isOpaque, jintArray layerInfo) { 486 Layer* layer = LayerRenderer::createLayer(width, height, isOpaque); 487 488 if (layer) { 489 jint* storage = env->GetIntArrayElements(layerInfo, NULL); 490 storage[0] = layer->width; 491 storage[1] = layer->height; 492 env->ReleaseIntArrayElements(layerInfo, storage, 0); 493 } 494 495 return layer; 496} 497 498static void android_view_GLES20Canvas_resizeLayer(JNIEnv* env, jobject clazz, 499 Layer* layer, jint width, jint height, jintArray layerInfo) { 500 LayerRenderer::resizeLayer(layer, width, height); 501 502 jint* storage = env->GetIntArrayElements(layerInfo, NULL); 503 storage[0] = layer->width; 504 storage[1] = layer->height; 505 env->ReleaseIntArrayElements(layerInfo, storage, 0); 506} 507 508static void android_view_GLES20Canvas_destroyLayer(JNIEnv* env, jobject clazz, Layer* layer) { 509 LayerRenderer::destroyLayer(layer); 510} 511 512static void android_view_GLES20Canvas_destroyLayerDeferred(JNIEnv* env, 513 jobject clazz, Layer* layer) { 514 LayerRenderer::destroyLayerDeferred(layer); 515} 516 517static void android_view_GLES20Canvas_drawLayer(JNIEnv* env, jobject canvas, 518 OpenGLRenderer* renderer, Layer* layer, jfloat x, jfloat y, SkPaint* paint) { 519 renderer->drawLayer(layer, x, y, paint); 520} 521 522#endif // USE_OPENGL_RENDERER 523 524// ---------------------------------------------------------------------------- 525// Common 526// ---------------------------------------------------------------------------- 527 528static jboolean android_view_GLES20Canvas_isAvailable(JNIEnv* env, jobject clazz) { 529#ifdef USE_OPENGL_RENDERER 530 return JNI_TRUE; 531#else 532 return JNI_FALSE; 533#endif 534} 535 536// ---------------------------------------------------------------------------- 537// JNI Glue 538// ---------------------------------------------------------------------------- 539 540const char* const kClassPathName = "android/view/GLES20Canvas"; 541 542static JNINativeMethod gMethods[] = { 543 { "nIsAvailable", "()Z", (void*) android_view_GLES20Canvas_isAvailable }, 544 545#ifdef USE_OPENGL_RENDERER 546 { "nCreateRenderer", "()I", (void*) android_view_GLES20Canvas_createRenderer }, 547 { "nDestroyRenderer", "(I)V", (void*) android_view_GLES20Canvas_destroyRenderer }, 548 { "nSetViewport", "(III)V", (void*) android_view_GLES20Canvas_setViewport }, 549 { "nPrepare", "(IZ)V", (void*) android_view_GLES20Canvas_prepare }, 550 { "nFinish", "(I)V", (void*) android_view_GLES20Canvas_finish }, 551 { "nAcquireContext", "(I)V", (void*) android_view_GLES20Canvas_acquireContext }, 552 { "nReleaseContext", "(I)V", (void*) android_view_GLES20Canvas_releaseContext }, 553 554 { "nSave", "(II)I", (void*) android_view_GLES20Canvas_save }, 555 { "nRestore", "(I)V", (void*) android_view_GLES20Canvas_restore }, 556 { "nRestoreToCount", "(II)V", (void*) android_view_GLES20Canvas_restoreToCount }, 557 { "nGetSaveCount", "(I)I", (void*) android_view_GLES20Canvas_getSaveCount }, 558 559 { "nSaveLayer", "(IFFFFII)I", (void*) android_view_GLES20Canvas_saveLayer }, 560 { "nSaveLayerAlpha", "(IFFFFII)I", (void*) android_view_GLES20Canvas_saveLayerAlpha }, 561 562 { "nQuickReject", "(IFFFFI)Z", (void*) android_view_GLES20Canvas_quickReject }, 563 { "nClipRect", "(IFFFFI)Z", (void*) android_view_GLES20Canvas_clipRectF }, 564 { "nClipRect", "(IIIIII)Z", (void*) android_view_GLES20Canvas_clipRect }, 565 566 { "nTranslate", "(IFF)V", (void*) android_view_GLES20Canvas_translate }, 567 { "nRotate", "(IF)V", (void*) android_view_GLES20Canvas_rotate }, 568 { "nScale", "(IFF)V", (void*) android_view_GLES20Canvas_scale }, 569 { "nSkew", "(IFF)V", (void*) android_view_GLES20Canvas_skew }, 570 571 { "nSetMatrix", "(II)V", (void*) android_view_GLES20Canvas_setMatrix }, 572 { "nGetMatrix", "(I)I", (void*) android_view_GLES20Canvas_getNativeMatrix }, 573 { "nGetMatrix", "(II)V", (void*) android_view_GLES20Canvas_getMatrix }, 574 { "nConcatMatrix", "(II)V", (void*) android_view_GLES20Canvas_concatMatrix }, 575 576 { "nDrawBitmap", "(II[BFFI)V", (void*) android_view_GLES20Canvas_drawBitmap }, 577 { "nDrawBitmap", "(II[BFFFFFFFFI)V", (void*) android_view_GLES20Canvas_drawBitmapRect }, 578 { "nDrawBitmap", "(II[BII)V", (void*) android_view_GLES20Canvas_drawBitmapMatrix }, 579 { "nDrawPatch", "(II[B[BFFFFI)V", (void*) android_view_GLES20Canvas_drawPatch }, 580 581 { "nDrawColor", "(III)V", (void*) android_view_GLES20Canvas_drawColor }, 582 { "nDrawRect", "(IFFFFI)V", (void*) android_view_GLES20Canvas_drawRect }, 583 { "nDrawRects", "(III)V", (void*) android_view_GLES20Canvas_drawRects }, 584 { "nDrawRoundRect", "(IFFFFFFI)V", (void*) android_view_GLES20Canvas_drawRoundRect }, 585 { "nDrawCircle", "(IFFFI)V", (void*) android_view_GLES20Canvas_drawCircle }, 586 { "nDrawPath", "(III)V", (void*) android_view_GLES20Canvas_drawPath }, 587 { "nDrawLines", "(I[FIII)V", (void*) android_view_GLES20Canvas_drawLines }, 588 589 { "nResetModifiers", "(I)V", (void*) android_view_GLES20Canvas_resetModifiers }, 590 { "nSetupShader", "(II)V", (void*) android_view_GLES20Canvas_setupShader }, 591 { "nSetupColorFilter", "(II)V", (void*) android_view_GLES20Canvas_setupColorFilter }, 592 { "nSetupShadow", "(IFFFI)V", (void*) android_view_GLES20Canvas_setupShadow }, 593 594 { "nDrawText", "(I[CIIFFII)V", (void*) android_view_GLES20Canvas_drawTextArray }, 595 { "nDrawText", "(ILjava/lang/String;IIFFII)V", 596 (void*) android_view_GLES20Canvas_drawText }, 597 598 { "nDrawTextRun", "(I[CIIIIFFII)V", (void*) android_view_GLES20Canvas_drawTextRunArray }, 599 { "nDrawTextRun", "(ILjava/lang/String;IIIIFFII)V", 600 (void*) android_view_GLES20Canvas_drawTextRun }, 601 602 { "nGetClipBounds", "(ILandroid/graphics/Rect;)Z", 603 (void*) android_view_GLES20Canvas_getClipBounds }, 604 605 { "nGetDisplayList", "(I)I", (void*) android_view_GLES20Canvas_getDisplayList }, 606 { "nDestroyDisplayList", "(I)V", (void*) android_view_GLES20Canvas_destroyDisplayList }, 607 { "nGetDisplayListRenderer", "(I)I", (void*) android_view_GLES20Canvas_getDisplayListRenderer }, 608 { "nDrawDisplayList", "(II)V", (void*) android_view_GLES20Canvas_drawDisplayList }, 609 610 { "nInterrupt", "(I)V", (void*) android_view_GLES20Canvas_interrupt }, 611 { "nResume", "(I)V", (void*) android_view_GLES20Canvas_resume }, 612 613 { "nCreateLayerRenderer", "(I)I", (void*) android_view_GLES20Canvas_createLayerRenderer }, 614 { "nCreateLayer", "(IIZ[I)I", (void*) android_view_GLES20Canvas_createLayer }, 615 { "nResizeLayer", "(III[I)V" , (void*) android_view_GLES20Canvas_resizeLayer }, 616 { "nDestroyLayer", "(I)V", (void*) android_view_GLES20Canvas_destroyLayer }, 617 { "nDestroyLayerDeferred", "(I)V", (void*) android_view_GLES20Canvas_destroyLayerDeferred }, 618 { "nDrawLayer", "(IIFFI)V", (void*) android_view_GLES20Canvas_drawLayer }, 619 620#endif 621}; 622 623#ifdef USE_OPENGL_RENDERER 624 #define FIND_CLASS(var, className) \ 625 var = env->FindClass(className); \ 626 LOG_FATAL_IF(! var, "Unable to find class " className); \ 627 var = jclass(env->NewGlobalRef(var)); 628 629 #define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) \ 630 var = env->GetMethodID(clazz, methodName, methodDescriptor); \ 631 LOG_FATAL_IF(! var, "Unable to find method " methodName); 632#else 633 #define FIND_CLASS(var, className) 634 #define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) 635#endif 636 637int register_android_view_GLES20Canvas(JNIEnv* env) { 638 FIND_CLASS(gRectClassInfo.clazz, "android/graphics/Rect"); 639 GET_METHOD_ID(gRectClassInfo.set, gRectClassInfo.clazz, "set", "(IIII)V"); 640 641 return AndroidRuntime::registerNativeMethods(env, kClassPathName, gMethods, NELEM(gMethods)); 642} 643 644}; 645