android_view_GLES20Canvas.cpp revision 7d7b5490a0b0763e831b31bc11f17d8159b5914a
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#include <android_runtime/AndroidRuntime.h> 25#include <utils/ResourceTypes.h> 26 27#include <SkBitmap.h> 28#include <SkCanvas.h> 29#include <SkMatrix.h> 30#include <SkPaint.h> 31#include <SkRegion.h> 32#include <SkScalerContext.h> 33#include <SkTemplates.h> 34#include <SkXfermode.h> 35 36#include <DisplayListRenderer.h> 37#include <LayerRenderer.h> 38#include <OpenGLDebugRenderer.h> 39#include <OpenGLRenderer.h> 40#include <SkiaShader.h> 41#include <SkiaColorFilter.h> 42#include <Rect.h> 43 44#include "TextLayout.h" 45 46namespace android { 47 48using namespace uirenderer; 49 50/** 51 * Note: OpenGLRenderer JNI layer is generated and compiled only on supported 52 * devices. This means all the logic must be compiled only when the 53 * preprocessor variable USE_OPENGL_RENDERER is defined. 54 */ 55#ifdef USE_OPENGL_RENDERER 56 57/////////////////////////////////////////////////////////////////////////////// 58// Defines 59/////////////////////////////////////////////////////////////////////////////// 60 61// Debug 62#define DEBUG_RENDERER 0 63#define PROFILE_RENDERER 0 64 65// Debug 66#if DEBUG_RENDERER 67 #define RENDERER_LOGD(...) LOGD(__VA_ARGS__) 68#else 69 #define RENDERER_LOGD(...) 70#endif 71 72// ---------------------------------------------------------------------------- 73 74static struct { 75 jclass clazz; 76 jmethodID set; 77} gRectClassInfo; 78 79// ---------------------------------------------------------------------------- 80// Misc 81// ---------------------------------------------------------------------------- 82 83static jboolean android_view_GLES20Canvas_preserveBackBuffer(JNIEnv* env, jobject clazz) { 84 EGLDisplay display = eglGetCurrentDisplay(); 85 EGLSurface surface = eglGetCurrentSurface(EGL_DRAW); 86 87 eglGetError(); 88 eglSurfaceAttrib(display, surface, EGL_SWAP_BEHAVIOR, EGL_BUFFER_PRESERVED); 89 90 EGLint error = eglGetError(); 91 RENDERER_LOGD("Could not enable buffer preserved swap behavior (%x)", error); 92 93 return error == EGL_SUCCESS; 94} 95 96// ---------------------------------------------------------------------------- 97// Constructors 98// ---------------------------------------------------------------------------- 99 100static OpenGLRenderer* android_view_GLES20Canvas_createRenderer(JNIEnv* env, jobject clazz) { 101 RENDERER_LOGD("Create OpenGLRenderer"); 102#if PROFILE_RENDERER 103 return new OpenGLDebugRenderer; 104#else 105 return new OpenGLRenderer; 106#endif 107} 108 109static void android_view_GLES20Canvas_destroyRenderer(JNIEnv* env, jobject clazz, 110 OpenGLRenderer* renderer) { 111 RENDERER_LOGD("Destroy OpenGLRenderer"); 112 delete renderer; 113} 114 115// ---------------------------------------------------------------------------- 116// Setup 117// ---------------------------------------------------------------------------- 118 119static void android_view_GLES20Canvas_setViewport(JNIEnv* env, jobject clazz, 120 OpenGLRenderer* renderer, jint width, jint height) { 121 renderer->setViewport(width, height); 122} 123 124static void android_view_GLES20Canvas_prepare(JNIEnv* env, jobject clazz, 125 OpenGLRenderer* renderer, jboolean opaque) { 126 renderer->prepare(opaque); 127} 128 129static void android_view_GLES20Canvas_prepareDirty(JNIEnv* env, jobject clazz, 130 OpenGLRenderer* renderer, jint left, jint top, jint right, jint bottom, 131 jboolean opaque) { 132 renderer->prepareDirty(left, top, right, bottom, opaque); 133} 134 135static void android_view_GLES20Canvas_finish(JNIEnv* env, jobject clazz, 136 OpenGLRenderer* renderer) { 137 renderer->finish(); 138} 139 140static void android_view_GLES20Canvas_acquireContext(JNIEnv* env, jobject clazz, 141 OpenGLRenderer* renderer) { 142 renderer->acquireContext(); 143} 144 145static bool android_view_GLES20Canvas_callDrawGLFunction(JNIEnv* env, jobject clazz, 146 OpenGLRenderer* renderer, Functor *functor) { 147 return renderer->callDrawGLFunction(functor); 148} 149 150static void android_view_GLES20Canvas_releaseContext(JNIEnv* env, jobject clazz, 151 OpenGLRenderer* renderer) { 152 renderer->releaseContext(); 153} 154 155// ---------------------------------------------------------------------------- 156// State 157// ---------------------------------------------------------------------------- 158 159static jint android_view_GLES20Canvas_save(JNIEnv* env, jobject clazz, OpenGLRenderer* renderer, 160 jint flags) { 161 return renderer->save(flags); 162} 163 164static jint android_view_GLES20Canvas_getSaveCount(JNIEnv* env, jobject clazz, 165 OpenGLRenderer* renderer) { 166 return renderer->getSaveCount(); 167} 168 169static void android_view_GLES20Canvas_restore(JNIEnv* env, jobject clazz, 170 OpenGLRenderer* renderer) { 171 renderer->restore(); 172} 173 174static void android_view_GLES20Canvas_restoreToCount(JNIEnv* env, jobject clazz, 175 OpenGLRenderer* renderer, jint saveCount) { 176 renderer->restoreToCount(saveCount); 177} 178 179// ---------------------------------------------------------------------------- 180// Layers 181// ---------------------------------------------------------------------------- 182 183static jint android_view_GLES20Canvas_saveLayer(JNIEnv* env, jobject clazz, 184 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 185 SkPaint* paint, jint saveFlags) { 186 return renderer->saveLayer(left, top, right, bottom, paint, saveFlags); 187} 188 189static jint android_view_GLES20Canvas_saveLayerAlpha(JNIEnv* env, jobject clazz, 190 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 191 jint alpha, jint saveFlags) { 192 return renderer->saveLayerAlpha(left, top, right, bottom, alpha, saveFlags); 193} 194 195// ---------------------------------------------------------------------------- 196// Clipping 197// ---------------------------------------------------------------------------- 198 199static bool android_view_GLES20Canvas_quickReject(JNIEnv* env, jobject clazz, 200 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 201 SkCanvas::EdgeType edge) { 202 return renderer->quickReject(left, top, right, bottom); 203} 204 205static bool android_view_GLES20Canvas_clipRectF(JNIEnv* env, jobject clazz, 206 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 207 SkRegion::Op op) { 208 return renderer->clipRect(left, top, right, bottom, op); 209} 210 211static bool android_view_GLES20Canvas_clipRect(JNIEnv* env, jobject clazz, 212 OpenGLRenderer* renderer, jint left, jint top, jint right, jint bottom, 213 SkRegion::Op op) { 214 return renderer->clipRect(float(left), float(top), float(right), float(bottom), op); 215} 216 217static bool android_view_GLES20Canvas_getClipBounds(JNIEnv* env, jobject clazz, 218 OpenGLRenderer* renderer, jobject rect) { 219 const android::uirenderer::Rect& bounds(renderer->getClipBounds()); 220 221 env->CallVoidMethod(rect, gRectClassInfo.set, 222 int(bounds.left), int(bounds.top), int(bounds.right), int(bounds.bottom)); 223 224 return !bounds.isEmpty(); 225} 226 227// ---------------------------------------------------------------------------- 228// Transforms 229// ---------------------------------------------------------------------------- 230 231static void android_view_GLES20Canvas_translate(JNIEnv* env, jobject clazz, 232 OpenGLRenderer* renderer, jfloat dx, jfloat dy) { 233 renderer->translate(dx, dy); 234} 235 236static void android_view_GLES20Canvas_rotate(JNIEnv* env, jobject clazz, 237 OpenGLRenderer* renderer, jfloat degrees) { 238 renderer->rotate(degrees); 239} 240 241static void android_view_GLES20Canvas_scale(JNIEnv* env, jobject clazz, 242 OpenGLRenderer* renderer, jfloat sx, jfloat sy) { 243 renderer->scale(sx, sy); 244} 245 246static void android_view_GLES20Canvas_skew(JNIEnv* env, jobject clazz, 247 OpenGLRenderer* renderer, jfloat sx, jfloat sy) { 248 renderer->skew(sx, sy); 249} 250 251static void android_view_GLES20Canvas_setMatrix(JNIEnv* env, jobject clazz, 252 OpenGLRenderer* renderer, SkMatrix* matrix) { 253 renderer->setMatrix(matrix); 254} 255 256static const float* android_view_GLES20Canvas_getNativeMatrix(JNIEnv* env, 257 jobject clazz, OpenGLRenderer* renderer) { 258 return renderer->getMatrix(); 259} 260 261static void android_view_GLES20Canvas_getMatrix(JNIEnv* env, jobject clazz, 262 OpenGLRenderer* renderer, SkMatrix* matrix) { 263 renderer->getMatrix(matrix); 264} 265 266static void android_view_GLES20Canvas_concatMatrix(JNIEnv* env, jobject clazz, 267 OpenGLRenderer* renderer, SkMatrix* matrix) { 268 renderer->concatMatrix(matrix); 269} 270 271// ---------------------------------------------------------------------------- 272// Drawing 273// ---------------------------------------------------------------------------- 274 275static void android_view_GLES20Canvas_drawBitmap(JNIEnv* env, jobject clazz, 276 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, float left, 277 float top, SkPaint* paint) { 278 // This object allows the renderer to allocate a global JNI ref to the buffer object. 279 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 280 281 renderer->drawBitmap(bitmap, left, top, paint); 282} 283 284static void android_view_GLES20Canvas_drawBitmapRect(JNIEnv* env, jobject clazz, 285 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, 286 float srcLeft, float srcTop, float srcRight, float srcBottom, 287 float dstLeft, float dstTop, float dstRight, float dstBottom, SkPaint* paint) { 288 // This object allows the renderer to allocate a global JNI ref to the buffer object. 289 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 290 291 renderer->drawBitmap(bitmap, srcLeft, srcTop, srcRight, srcBottom, 292 dstLeft, dstTop, dstRight, dstBottom, paint); 293} 294 295static void android_view_GLES20Canvas_drawBitmapMatrix(JNIEnv* env, jobject clazz, 296 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, SkMatrix* matrix, 297 SkPaint* paint) { 298 // This object allows the renderer to allocate a global JNI ref to the buffer object. 299 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 300 301 renderer->drawBitmap(bitmap, matrix, paint); 302} 303 304static void android_view_GLES20Canvas_drawBitmapMesh(JNIEnv* env, jobject clazz, 305 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, 306 jint meshWidth, jint meshHeight, jfloatArray vertices, jint offset, 307 jintArray colors, jint colorOffset, SkPaint* paint) { 308 // This object allows the renderer to allocate a global JNI ref to the buffer object. 309 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 310 311 jfloat* verticesArray = vertices ? env->GetFloatArrayElements(vertices, NULL) + offset : NULL; 312 jint* colorsArray = colors ? env->GetIntArrayElements(colors, NULL) + colorOffset : NULL; 313 314 renderer->drawBitmapMesh(bitmap, meshWidth, meshHeight, verticesArray, colorsArray, paint); 315 316 if (vertices) env->ReleaseFloatArrayElements(vertices, verticesArray, 0); 317 if (colors) env->ReleaseIntArrayElements(colors, colorsArray, 0); 318} 319 320static void android_view_GLES20Canvas_drawPatch(JNIEnv* env, jobject clazz, 321 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, jbyteArray chunks, 322 float left, float top, float right, float bottom, SkPaint* paint) { 323 // This object allows the renderer to allocate a global JNI ref to the buffer object. 324 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 325 326 jbyte* storage = env->GetByteArrayElements(chunks, NULL); 327 Res_png_9patch* patch = reinterpret_cast<Res_png_9patch*>(storage); 328 Res_png_9patch::deserialize(patch); 329 330 renderer->drawPatch(bitmap, &patch->xDivs[0], &patch->yDivs[0], 331 &patch->colors[0], patch->numXDivs, patch->numYDivs, patch->numColors, 332 left, top, right, bottom, paint); 333 334 env->ReleaseByteArrayElements(chunks, storage, 0); 335} 336 337static void android_view_GLES20Canvas_drawColor(JNIEnv* env, jobject clazz, 338 OpenGLRenderer* renderer, jint color, SkXfermode::Mode mode) { 339 renderer->drawColor(color, mode); 340} 341 342static void android_view_GLES20Canvas_drawRect(JNIEnv* env, jobject clazz, 343 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 344 SkPaint* paint) { 345 renderer->drawRect(left, top, right, bottom, paint); 346} 347 348static void android_view_GLES20Canvas_drawRoundRect(JNIEnv* env, jobject clazz, 349 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 350 jfloat rx, jfloat ry, SkPaint* paint) { 351 renderer->drawRoundRect(left, top, right, bottom, rx, ry, paint); 352} 353 354static void android_view_GLES20Canvas_drawCircle(JNIEnv* env, jobject clazz, 355 OpenGLRenderer* renderer, jfloat x, jfloat y, jfloat radius, SkPaint* paint) { 356 renderer->drawCircle(x, y, radius, paint); 357} 358 359static void android_view_GLES20Canvas_drawOval(JNIEnv* env, jobject clazz, 360 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 361 SkPaint* paint) { 362 renderer->drawOval(left, top, right, bottom, paint); 363} 364 365static void android_view_GLES20Canvas_drawArc(JNIEnv* env, jobject clazz, 366 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 367 jfloat startAngle, jfloat sweepAngle, jboolean useCenter, SkPaint* paint) { 368 renderer->drawArc(left, top, right, bottom, startAngle, sweepAngle, useCenter, paint); 369} 370 371static void android_view_GLES20Canvas_drawRects(JNIEnv* env, jobject clazz, 372 OpenGLRenderer* renderer, SkRegion* region, SkPaint* paint) { 373 SkRegion::Iterator it(*region); 374 while (!it.done()) { 375 const SkIRect& r = it.rect(); 376 renderer->drawRect(r.fLeft, r.fTop, r.fRight, r.fBottom, paint); 377 it.next(); 378 } 379} 380 381static void android_view_GLES20Canvas_drawPath(JNIEnv* env, jobject clazz, 382 OpenGLRenderer* renderer, SkPath* path, SkPaint* paint) { 383 renderer->drawPath(path, paint); 384} 385 386static void android_view_GLES20Canvas_drawLines(JNIEnv* env, jobject clazz, 387 OpenGLRenderer* renderer, jfloatArray points, jint offset, jint count, SkPaint* paint) { 388 jfloat* storage = env->GetFloatArrayElements(points, NULL); 389 390 renderer->drawLines(storage + offset, count, paint); 391 392 env->ReleaseFloatArrayElements(points, storage, 0); 393} 394 395// ---------------------------------------------------------------------------- 396// Shaders and color filters 397// ---------------------------------------------------------------------------- 398 399static void android_view_GLES20Canvas_resetModifiers(JNIEnv* env, jobject clazz, 400 OpenGLRenderer* renderer) { 401 renderer->resetShader(); 402 renderer->resetColorFilter(); 403 renderer->resetShadow(); 404} 405 406static void android_view_GLES20Canvas_setupShader(JNIEnv* env, jobject clazz, 407 OpenGLRenderer* renderer, SkiaShader* shader) { 408 renderer->setupShader(shader); 409} 410 411static void android_view_GLES20Canvas_setupColorFilter(JNIEnv* env, jobject clazz, 412 OpenGLRenderer* renderer, SkiaColorFilter* filter) { 413 renderer->setupColorFilter(filter); 414} 415 416static void android_view_GLES20Canvas_setupShadow(JNIEnv* env, jobject clazz, 417 OpenGLRenderer* renderer, jfloat radius, jfloat dx, jfloat dy, jint color) { 418 renderer->setupShadow(radius, dx, dy, color); 419} 420 421// ---------------------------------------------------------------------------- 422// Text 423// ---------------------------------------------------------------------------- 424 425static void renderText(OpenGLRenderer* renderer, const jchar* text, int count, 426 jfloat x, jfloat y, int flags, SkPaint* paint) { 427 const jchar *workText; 428 jchar* buffer = NULL; 429 int32_t workBytes; 430 if (TextLayout::prepareText(paint, text, count, flags, &workText, &workBytes, &buffer)) { 431 renderer->drawText((const char*) workText, workBytes, count, x, y, paint); 432 free(buffer); 433 } 434} 435 436static void renderTextRun(OpenGLRenderer* renderer, const jchar* text, 437 jint start, jint count, jint contextCount, jfloat x, jfloat y, 438 int flags, SkPaint* paint) { 439 uint8_t rtl = flags & 0x1; 440 if (rtl) { 441 SkAutoSTMalloc<80, jchar> buffer(contextCount); 442 jchar* shaped = buffer.get(); 443 if (TextLayout::prepareRtlTextRun(text, start, count, contextCount, shaped)) { 444 renderer->drawText((const char*) shaped, count << 1, count, x, y, paint); 445 } else { 446 LOGW("drawTextRun error"); 447 } 448 } else { 449 renderer->drawText((const char*) (text + start), count << 1, count, x, y, paint); 450 } 451} 452 453static void android_view_GLES20Canvas_drawTextArray(JNIEnv* env, jobject clazz, 454 OpenGLRenderer* renderer, jcharArray text, jint index, jint count, 455 jfloat x, jfloat y, jint flags, SkPaint* paint) { 456 jchar* textArray = env->GetCharArrayElements(text, NULL); 457 renderText(renderer, textArray + index, count, x, y, flags, paint); 458 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 459} 460 461static void android_view_GLES20Canvas_drawText(JNIEnv* env, jobject clazz, 462 OpenGLRenderer* renderer, jstring text, jint start, jint end, 463 jfloat x, jfloat y, jint flags, SkPaint* paint) { 464 const jchar* textArray = env->GetStringChars(text, NULL); 465 renderText(renderer, textArray + start, end - start, x, y, flags, paint); 466 env->ReleaseStringChars(text, textArray); 467} 468 469static void android_view_GLES20Canvas_drawTextRunArray(JNIEnv* env, jobject clazz, 470 OpenGLRenderer* renderer, jcharArray text, jint index, jint count, 471 jint contextIndex, jint contextCount, jfloat x, jfloat y, jint dirFlags, 472 SkPaint* paint) { 473 jchar* textArray = env->GetCharArrayElements(text, NULL); 474 renderTextRun(renderer, textArray + contextIndex, index - contextIndex, 475 count, contextCount, x, y, dirFlags, paint); 476 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 477 } 478 479static void android_view_GLES20Canvas_drawTextRun(JNIEnv* env, jobject clazz, 480 OpenGLRenderer* renderer, jstring text, jint start, jint end, 481 jint contextStart, int contextEnd, jfloat x, jfloat y, jint dirFlags, 482 SkPaint* paint) { 483 const jchar* textArray = env->GetStringChars(text, NULL); 484 jint count = end - start; 485 jint contextCount = contextEnd - contextStart; 486 renderTextRun(renderer, textArray + contextStart, start - contextStart, 487 count, contextCount, x, y, dirFlags, paint); 488 env->ReleaseStringChars(text, textArray); 489} 490 491// ---------------------------------------------------------------------------- 492// Display lists 493// ---------------------------------------------------------------------------- 494 495static DisplayList* android_view_GLES20Canvas_getDisplayList(JNIEnv* env, 496 jobject clazz, DisplayListRenderer* renderer) { 497 return renderer->getDisplayList(); 498} 499 500static OpenGLRenderer* android_view_GLES20Canvas_getDisplayListRenderer(JNIEnv* env, 501 jobject clazz, DisplayListRenderer* renderer) { 502 if (renderer == NULL) { 503 renderer = new DisplayListRenderer; 504 } else { 505 renderer->reset(); 506 } 507 return renderer; 508} 509 510static void android_view_GLES20Canvas_destroyDisplayList(JNIEnv* env, 511 jobject clazz, DisplayList* displayList) { 512 delete displayList; 513} 514 515static bool android_view_GLES20Canvas_drawDisplayList(JNIEnv* env, 516 jobject clazz, OpenGLRenderer* renderer, DisplayList* displayList) { 517 return renderer->drawDisplayList(displayList); 518} 519 520// ---------------------------------------------------------------------------- 521// Layers 522// ---------------------------------------------------------------------------- 523 524static void android_view_GLES20Canvas_interrupt(JNIEnv* env, jobject clazz, 525 OpenGLRenderer* renderer) { 526 renderer->interrupt(); 527} 528 529static void android_view_GLES20Canvas_resume(JNIEnv* env, jobject clazz, 530 OpenGLRenderer* renderer) { 531 renderer->resume(); 532} 533 534static OpenGLRenderer* android_view_GLES20Canvas_createLayerRenderer(JNIEnv* env, 535 jobject clazz, Layer* layer) { 536 if (layer) { 537 return new LayerRenderer(layer); 538 } 539 return NULL; 540} 541 542static Layer* android_view_GLES20Canvas_createLayer(JNIEnv* env, jobject clazz, 543 jint width, jint height, jboolean isOpaque, jintArray layerInfo) { 544 Layer* layer = LayerRenderer::createLayer(width, height, isOpaque); 545 546 if (layer) { 547 jint* storage = env->GetIntArrayElements(layerInfo, NULL); 548 storage[0] = layer->width; 549 storage[1] = layer->height; 550 env->ReleaseIntArrayElements(layerInfo, storage, 0); 551 } 552 553 return layer; 554} 555 556static void android_view_GLES20Canvas_resizeLayer(JNIEnv* env, jobject clazz, 557 Layer* layer, jint width, jint height, jintArray layerInfo) { 558 LayerRenderer::resizeLayer(layer, width, height); 559 560 jint* storage = env->GetIntArrayElements(layerInfo, NULL); 561 storage[0] = layer->width; 562 storage[1] = layer->height; 563 env->ReleaseIntArrayElements(layerInfo, storage, 0); 564} 565 566static void android_view_GLES20Canvas_destroyLayer(JNIEnv* env, jobject clazz, Layer* layer) { 567 LayerRenderer::destroyLayer(layer); 568} 569 570static void android_view_GLES20Canvas_destroyLayerDeferred(JNIEnv* env, 571 jobject clazz, Layer* layer) { 572 LayerRenderer::destroyLayerDeferred(layer); 573} 574 575static void android_view_GLES20Canvas_drawLayer(JNIEnv* env, jobject clazz, 576 OpenGLRenderer* renderer, Layer* layer, jfloat x, jfloat y, SkPaint* paint) { 577 renderer->drawLayer(layer, x, y, paint); 578} 579 580#endif // USE_OPENGL_RENDERER 581 582// ---------------------------------------------------------------------------- 583// Common 584// ---------------------------------------------------------------------------- 585 586static jboolean android_view_GLES20Canvas_isAvailable(JNIEnv* env, jobject clazz) { 587#ifdef USE_OPENGL_RENDERER 588 return JNI_TRUE; 589#else 590 return JNI_FALSE; 591#endif 592} 593 594// ---------------------------------------------------------------------------- 595// JNI Glue 596// ---------------------------------------------------------------------------- 597 598const char* const kClassPathName = "android/view/GLES20Canvas"; 599 600static JNINativeMethod gMethods[] = { 601 { "nIsAvailable", "()Z", (void*) android_view_GLES20Canvas_isAvailable }, 602 603#ifdef USE_OPENGL_RENDERER 604 { "nPreserveBackBuffer", "()Z", (void*) android_view_GLES20Canvas_preserveBackBuffer }, 605 606 { "nCreateRenderer", "()I", (void*) android_view_GLES20Canvas_createRenderer }, 607 { "nDestroyRenderer", "(I)V", (void*) android_view_GLES20Canvas_destroyRenderer }, 608 { "nSetViewport", "(III)V", (void*) android_view_GLES20Canvas_setViewport }, 609 { "nPrepare", "(IZ)V", (void*) android_view_GLES20Canvas_prepare }, 610 { "nPrepareDirty", "(IIIIIZ)V", (void*) android_view_GLES20Canvas_prepareDirty }, 611 { "nFinish", "(I)V", (void*) android_view_GLES20Canvas_finish }, 612 { "nAcquireContext", "(I)V", (void*) android_view_GLES20Canvas_acquireContext }, 613 { "nReleaseContext", "(I)V", (void*) android_view_GLES20Canvas_releaseContext }, 614 615 { "nCallDrawGLFunction", "(II)Z", 616 (void*) android_view_GLES20Canvas_callDrawGLFunction }, 617 618 { "nSave", "(II)I", (void*) android_view_GLES20Canvas_save }, 619 { "nRestore", "(I)V", (void*) android_view_GLES20Canvas_restore }, 620 { "nRestoreToCount", "(II)V", (void*) android_view_GLES20Canvas_restoreToCount }, 621 { "nGetSaveCount", "(I)I", (void*) android_view_GLES20Canvas_getSaveCount }, 622 623 { "nSaveLayer", "(IFFFFII)I", (void*) android_view_GLES20Canvas_saveLayer }, 624 { "nSaveLayerAlpha", "(IFFFFII)I", (void*) android_view_GLES20Canvas_saveLayerAlpha }, 625 626 { "nQuickReject", "(IFFFFI)Z", (void*) android_view_GLES20Canvas_quickReject }, 627 { "nClipRect", "(IFFFFI)Z", (void*) android_view_GLES20Canvas_clipRectF }, 628 { "nClipRect", "(IIIIII)Z", (void*) android_view_GLES20Canvas_clipRect }, 629 630 { "nTranslate", "(IFF)V", (void*) android_view_GLES20Canvas_translate }, 631 { "nRotate", "(IF)V", (void*) android_view_GLES20Canvas_rotate }, 632 { "nScale", "(IFF)V", (void*) android_view_GLES20Canvas_scale }, 633 { "nSkew", "(IFF)V", (void*) android_view_GLES20Canvas_skew }, 634 635 { "nSetMatrix", "(II)V", (void*) android_view_GLES20Canvas_setMatrix }, 636 { "nGetMatrix", "(I)I", (void*) android_view_GLES20Canvas_getNativeMatrix }, 637 { "nGetMatrix", "(II)V", (void*) android_view_GLES20Canvas_getMatrix }, 638 { "nConcatMatrix", "(II)V", (void*) android_view_GLES20Canvas_concatMatrix }, 639 640 { "nDrawBitmap", "(II[BFFI)V", (void*) android_view_GLES20Canvas_drawBitmap }, 641 { "nDrawBitmap", "(II[BFFFFFFFFI)V",(void*) android_view_GLES20Canvas_drawBitmapRect }, 642 { "nDrawBitmap", "(II[BII)V", (void*) android_view_GLES20Canvas_drawBitmapMatrix }, 643 644 { "nDrawBitmapMesh", "(II[BII[FI[III)V",(void*) android_view_GLES20Canvas_drawBitmapMesh }, 645 646 { "nDrawPatch", "(II[B[BFFFFI)V", (void*) android_view_GLES20Canvas_drawPatch }, 647 648 { "nDrawColor", "(III)V", (void*) android_view_GLES20Canvas_drawColor }, 649 { "nDrawRect", "(IFFFFI)V", (void*) android_view_GLES20Canvas_drawRect }, 650 { "nDrawRects", "(III)V", (void*) android_view_GLES20Canvas_drawRects }, 651 { "nDrawRoundRect", "(IFFFFFFI)V", (void*) android_view_GLES20Canvas_drawRoundRect }, 652 { "nDrawCircle", "(IFFFI)V", (void*) android_view_GLES20Canvas_drawCircle }, 653 { "nDrawOval", "(IFFFFI)V", (void*) android_view_GLES20Canvas_drawOval }, 654 { "nDrawArc", "(IFFFFFFZI)V", (void*) android_view_GLES20Canvas_drawArc }, 655 656 { "nDrawPath", "(III)V", (void*) android_view_GLES20Canvas_drawPath }, 657 { "nDrawLines", "(I[FIII)V", (void*) android_view_GLES20Canvas_drawLines }, 658 659 { "nResetModifiers", "(I)V", (void*) android_view_GLES20Canvas_resetModifiers }, 660 { "nSetupShader", "(II)V", (void*) android_view_GLES20Canvas_setupShader }, 661 { "nSetupColorFilter", "(II)V", (void*) android_view_GLES20Canvas_setupColorFilter }, 662 { "nSetupShadow", "(IFFFI)V", (void*) android_view_GLES20Canvas_setupShadow }, 663 664 { "nDrawText", "(I[CIIFFII)V", (void*) android_view_GLES20Canvas_drawTextArray }, 665 { "nDrawText", "(ILjava/lang/String;IIFFII)V", 666 (void*) android_view_GLES20Canvas_drawText }, 667 668 { "nDrawTextRun", "(I[CIIIIFFII)V", (void*) android_view_GLES20Canvas_drawTextRunArray }, 669 { "nDrawTextRun", "(ILjava/lang/String;IIIIFFII)V", 670 (void*) android_view_GLES20Canvas_drawTextRun }, 671 672 { "nGetClipBounds", "(ILandroid/graphics/Rect;)Z", 673 (void*) android_view_GLES20Canvas_getClipBounds }, 674 675 { "nGetDisplayList", "(I)I", (void*) android_view_GLES20Canvas_getDisplayList }, 676 { "nDestroyDisplayList", "(I)V", (void*) android_view_GLES20Canvas_destroyDisplayList }, 677 { "nGetDisplayListRenderer", "(I)I", (void*) android_view_GLES20Canvas_getDisplayListRenderer }, 678 { "nDrawDisplayList", "(II)Z", (void*) android_view_GLES20Canvas_drawDisplayList }, 679 680 { "nInterrupt", "(I)V", (void*) android_view_GLES20Canvas_interrupt }, 681 { "nResume", "(I)V", (void*) android_view_GLES20Canvas_resume }, 682 683 { "nCreateLayerRenderer", "(I)I", (void*) android_view_GLES20Canvas_createLayerRenderer }, 684 { "nCreateLayer", "(IIZ[I)I", (void*) android_view_GLES20Canvas_createLayer }, 685 { "nResizeLayer", "(III[I)V" , (void*) android_view_GLES20Canvas_resizeLayer }, 686 { "nDestroyLayer", "(I)V", (void*) android_view_GLES20Canvas_destroyLayer }, 687 { "nDestroyLayerDeferred", "(I)V", (void*) android_view_GLES20Canvas_destroyLayerDeferred }, 688 { "nDrawLayer", "(IIFFI)V", (void*) android_view_GLES20Canvas_drawLayer }, 689 690#endif 691}; 692 693#ifdef USE_OPENGL_RENDERER 694 #define FIND_CLASS(var, className) \ 695 var = env->FindClass(className); \ 696 LOG_FATAL_IF(! var, "Unable to find class " className); \ 697 var = jclass(env->NewGlobalRef(var)); 698 699 #define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) \ 700 var = env->GetMethodID(clazz, methodName, methodDescriptor); \ 701 LOG_FATAL_IF(! var, "Unable to find method " methodName); 702#else 703 #define FIND_CLASS(var, className) 704 #define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) 705#endif 706 707int register_android_view_GLES20Canvas(JNIEnv* env) { 708 FIND_CLASS(gRectClassInfo.clazz, "android/graphics/Rect"); 709 GET_METHOD_ID(gRectClassInfo.set, gRectClassInfo.clazz, "set", "(IIII)V"); 710 711 return AndroidRuntime::registerNativeMethods(env, kClassPathName, gMethods, NELEM(gMethods)); 712} 713 714}; 715