android_view_GLES20Canvas.cpp revision ed6fcb034b44d9a6ac2fc72fee6030417811f234
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 <OpenGLRenderer.h> 39#include <SkiaShader.h> 40#include <SkiaColorFilter.h> 41#include <Rect.h> 42 43#include "TextLayout.h" 44 45namespace android { 46 47using namespace uirenderer; 48 49/** 50 * Note: OpenGLRenderer JNI layer is generated and compiled only on supported 51 * devices. This means all the logic must be compiled only when the 52 * preprocessor variable USE_OPENGL_RENDERER is defined. 53 */ 54#ifdef USE_OPENGL_RENDERER 55 56/////////////////////////////////////////////////////////////////////////////// 57// Defines 58/////////////////////////////////////////////////////////////////////////////// 59 60// Debug 61#define DEBUG_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#define MODIFIER_SHADOW 1 71#define MODIFIER_SHADER 2 72#define MODIFIER_COLOR_FILTER 4 73 74// ---------------------------------------------------------------------------- 75 76static struct { 77 jmethodID set; 78} gRectClassInfo; 79 80// ---------------------------------------------------------------------------- 81// Misc 82// ---------------------------------------------------------------------------- 83 84static jboolean android_view_GLES20Canvas_preserveBackBuffer(JNIEnv* env, jobject clazz) { 85 EGLDisplay display = eglGetCurrentDisplay(); 86 EGLSurface surface = eglGetCurrentSurface(EGL_DRAW); 87 88 eglGetError(); 89 eglSurfaceAttrib(display, surface, EGL_SWAP_BEHAVIOR, EGL_BUFFER_PRESERVED); 90 91 EGLint error = eglGetError(); 92 RENDERER_LOGD("Could not enable buffer preserved swap behavior (%x)", error); 93 94 return error == EGL_SUCCESS; 95} 96 97// ---------------------------------------------------------------------------- 98// Constructors 99// ---------------------------------------------------------------------------- 100 101static OpenGLRenderer* android_view_GLES20Canvas_createRenderer(JNIEnv* env, jobject clazz) { 102 RENDERER_LOGD("Create OpenGLRenderer"); 103 return new OpenGLRenderer; 104} 105 106static void android_view_GLES20Canvas_destroyRenderer(JNIEnv* env, jobject clazz, 107 OpenGLRenderer* renderer) { 108 RENDERER_LOGD("Destroy OpenGLRenderer"); 109 delete renderer; 110} 111 112// ---------------------------------------------------------------------------- 113// Setup 114// ---------------------------------------------------------------------------- 115 116static void android_view_GLES20Canvas_setViewport(JNIEnv* env, jobject clazz, 117 OpenGLRenderer* renderer, jint width, jint height) { 118 renderer->setViewport(width, height); 119} 120 121static void android_view_GLES20Canvas_prepare(JNIEnv* env, jobject clazz, 122 OpenGLRenderer* renderer, jboolean opaque) { 123 renderer->prepare(opaque); 124} 125 126static void android_view_GLES20Canvas_prepareDirty(JNIEnv* env, jobject clazz, 127 OpenGLRenderer* renderer, jint left, jint top, jint right, jint bottom, 128 jboolean opaque) { 129 renderer->prepareDirty(left, top, right, bottom, opaque); 130} 131 132static void android_view_GLES20Canvas_finish(JNIEnv* env, jobject clazz, 133 OpenGLRenderer* renderer) { 134 renderer->finish(); 135} 136 137static bool android_view_GLES20Canvas_callDrawGLFunction(JNIEnv* env, jobject clazz, 138 OpenGLRenderer* renderer, Functor *functor) { 139 android::uirenderer::Rect dirty; 140 return renderer->callDrawGLFunction(functor, dirty); 141} 142 143// ---------------------------------------------------------------------------- 144// State 145// ---------------------------------------------------------------------------- 146 147static jint android_view_GLES20Canvas_save(JNIEnv* env, jobject clazz, OpenGLRenderer* renderer, 148 jint flags) { 149 return renderer->save(flags); 150} 151 152static jint android_view_GLES20Canvas_getSaveCount(JNIEnv* env, jobject clazz, 153 OpenGLRenderer* renderer) { 154 return renderer->getSaveCount(); 155} 156 157static void android_view_GLES20Canvas_restore(JNIEnv* env, jobject clazz, 158 OpenGLRenderer* renderer) { 159 renderer->restore(); 160} 161 162static void android_view_GLES20Canvas_restoreToCount(JNIEnv* env, jobject clazz, 163 OpenGLRenderer* renderer, jint saveCount) { 164 renderer->restoreToCount(saveCount); 165} 166 167// ---------------------------------------------------------------------------- 168// Layers 169// ---------------------------------------------------------------------------- 170 171static jint android_view_GLES20Canvas_saveLayer(JNIEnv* env, jobject clazz, 172 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 173 SkPaint* paint, jint saveFlags) { 174 return renderer->saveLayer(left, top, right, bottom, paint, saveFlags); 175} 176 177static jint android_view_GLES20Canvas_saveLayerAlpha(JNIEnv* env, jobject clazz, 178 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 179 jint alpha, jint saveFlags) { 180 return renderer->saveLayerAlpha(left, top, right, bottom, alpha, saveFlags); 181} 182 183// ---------------------------------------------------------------------------- 184// Clipping 185// ---------------------------------------------------------------------------- 186 187static bool android_view_GLES20Canvas_quickReject(JNIEnv* env, jobject clazz, 188 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 189 SkCanvas::EdgeType edge) { 190 return renderer->quickReject(left, top, right, bottom); 191} 192 193static bool android_view_GLES20Canvas_clipRectF(JNIEnv* env, jobject clazz, 194 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 195 SkRegion::Op op) { 196 return renderer->clipRect(left, top, right, bottom, op); 197} 198 199static bool android_view_GLES20Canvas_clipRect(JNIEnv* env, jobject clazz, 200 OpenGLRenderer* renderer, jint left, jint top, jint right, jint bottom, 201 SkRegion::Op op) { 202 return renderer->clipRect(float(left), float(top), float(right), float(bottom), op); 203} 204 205static bool android_view_GLES20Canvas_getClipBounds(JNIEnv* env, jobject clazz, 206 OpenGLRenderer* renderer, jobject rect) { 207 const android::uirenderer::Rect& bounds(renderer->getClipBounds()); 208 209 env->CallVoidMethod(rect, gRectClassInfo.set, 210 int(bounds.left), int(bounds.top), int(bounds.right), int(bounds.bottom)); 211 212 return !bounds.isEmpty(); 213} 214 215// ---------------------------------------------------------------------------- 216// Transforms 217// ---------------------------------------------------------------------------- 218 219static void android_view_GLES20Canvas_translate(JNIEnv* env, jobject clazz, 220 OpenGLRenderer* renderer, jfloat dx, jfloat dy) { 221 renderer->translate(dx, dy); 222} 223 224static void android_view_GLES20Canvas_rotate(JNIEnv* env, jobject clazz, 225 OpenGLRenderer* renderer, jfloat degrees) { 226 renderer->rotate(degrees); 227} 228 229static void android_view_GLES20Canvas_scale(JNIEnv* env, jobject clazz, 230 OpenGLRenderer* renderer, jfloat sx, jfloat sy) { 231 renderer->scale(sx, sy); 232} 233 234static void android_view_GLES20Canvas_skew(JNIEnv* env, jobject clazz, 235 OpenGLRenderer* renderer, jfloat sx, jfloat sy) { 236 renderer->skew(sx, sy); 237} 238 239static void android_view_GLES20Canvas_setMatrix(JNIEnv* env, jobject clazz, 240 OpenGLRenderer* renderer, SkMatrix* matrix) { 241 renderer->setMatrix(matrix); 242} 243 244static const float* android_view_GLES20Canvas_getNativeMatrix(JNIEnv* env, 245 jobject clazz, OpenGLRenderer* renderer) { 246 return renderer->getMatrix(); 247} 248 249static void android_view_GLES20Canvas_getMatrix(JNIEnv* env, jobject clazz, 250 OpenGLRenderer* renderer, SkMatrix* matrix) { 251 renderer->getMatrix(matrix); 252} 253 254static void android_view_GLES20Canvas_concatMatrix(JNIEnv* env, jobject clazz, 255 OpenGLRenderer* renderer, SkMatrix* matrix) { 256 renderer->concatMatrix(matrix); 257} 258 259// ---------------------------------------------------------------------------- 260// Drawing 261// ---------------------------------------------------------------------------- 262 263static void android_view_GLES20Canvas_drawBitmap(JNIEnv* env, jobject clazz, 264 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, float left, 265 float top, SkPaint* paint) { 266 // This object allows the renderer to allocate a global JNI ref to the buffer object. 267 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 268 269 renderer->drawBitmap(bitmap, left, top, paint); 270} 271 272static void android_view_GLES20Canvas_drawBitmapRect(JNIEnv* env, jobject clazz, 273 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, 274 float srcLeft, float srcTop, float srcRight, float srcBottom, 275 float dstLeft, float dstTop, float dstRight, float dstBottom, SkPaint* paint) { 276 // This object allows the renderer to allocate a global JNI ref to the buffer object. 277 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 278 279 renderer->drawBitmap(bitmap, srcLeft, srcTop, srcRight, srcBottom, 280 dstLeft, dstTop, dstRight, dstBottom, paint); 281} 282 283static void android_view_GLES20Canvas_drawBitmapMatrix(JNIEnv* env, jobject clazz, 284 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, SkMatrix* matrix, 285 SkPaint* paint) { 286 // This object allows the renderer to allocate a global JNI ref to the buffer object. 287 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 288 289 renderer->drawBitmap(bitmap, matrix, paint); 290} 291 292static void android_view_GLES20Canvas_drawBitmapMesh(JNIEnv* env, jobject clazz, 293 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, 294 jint meshWidth, jint meshHeight, jfloatArray vertices, jint offset, 295 jintArray colors, jint colorOffset, SkPaint* paint) { 296 // This object allows the renderer to allocate a global JNI ref to the buffer object. 297 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 298 299 jfloat* verticesArray = vertices ? env->GetFloatArrayElements(vertices, NULL) + offset : NULL; 300 jint* colorsArray = colors ? env->GetIntArrayElements(colors, NULL) + colorOffset : NULL; 301 302 renderer->drawBitmapMesh(bitmap, meshWidth, meshHeight, verticesArray, colorsArray, paint); 303 304 if (vertices) env->ReleaseFloatArrayElements(vertices, verticesArray, 0); 305 if (colors) env->ReleaseIntArrayElements(colors, colorsArray, 0); 306} 307 308static void android_view_GLES20Canvas_drawPatch(JNIEnv* env, jobject clazz, 309 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, jbyteArray chunks, 310 float left, float top, float right, float bottom, SkPaint* paint) { 311 // This object allows the renderer to allocate a global JNI ref to the buffer object. 312 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 313 314 jbyte* storage = env->GetByteArrayElements(chunks, NULL); 315 Res_png_9patch* patch = reinterpret_cast<Res_png_9patch*>(storage); 316 Res_png_9patch::deserialize(patch); 317 318 renderer->drawPatch(bitmap, &patch->xDivs[0], &patch->yDivs[0], 319 &patch->colors[0], patch->numXDivs, patch->numYDivs, patch->numColors, 320 left, top, right, bottom, paint); 321 322 env->ReleaseByteArrayElements(chunks, storage, 0); 323} 324 325static void android_view_GLES20Canvas_drawColor(JNIEnv* env, jobject clazz, 326 OpenGLRenderer* renderer, jint color, SkXfermode::Mode mode) { 327 renderer->drawColor(color, mode); 328} 329 330static void android_view_GLES20Canvas_drawRect(JNIEnv* env, jobject clazz, 331 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 332 SkPaint* paint) { 333 renderer->drawRect(left, top, right, bottom, paint); 334} 335 336static void android_view_GLES20Canvas_drawRoundRect(JNIEnv* env, jobject clazz, 337 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 338 jfloat rx, jfloat ry, SkPaint* paint) { 339 renderer->drawRoundRect(left, top, right, bottom, rx, ry, paint); 340} 341 342static void android_view_GLES20Canvas_drawCircle(JNIEnv* env, jobject clazz, 343 OpenGLRenderer* renderer, jfloat x, jfloat y, jfloat radius, SkPaint* paint) { 344 renderer->drawCircle(x, y, radius, paint); 345} 346 347static void android_view_GLES20Canvas_drawOval(JNIEnv* env, jobject clazz, 348 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 349 SkPaint* paint) { 350 renderer->drawOval(left, top, right, bottom, paint); 351} 352 353static void android_view_GLES20Canvas_drawArc(JNIEnv* env, jobject clazz, 354 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 355 jfloat startAngle, jfloat sweepAngle, jboolean useCenter, SkPaint* paint) { 356 renderer->drawArc(left, top, right, bottom, startAngle, sweepAngle, useCenter, paint); 357} 358 359static void android_view_GLES20Canvas_drawRects(JNIEnv* env, jobject clazz, 360 OpenGLRenderer* renderer, SkRegion* region, SkPaint* paint) { 361 SkRegion::Iterator it(*region); 362 while (!it.done()) { 363 const SkIRect& r = it.rect(); 364 renderer->drawRect(r.fLeft, r.fTop, r.fRight, r.fBottom, paint); 365 it.next(); 366 } 367} 368 369static void android_view_GLES20Canvas_drawPoints(JNIEnv* env, jobject clazz, 370 OpenGLRenderer* renderer, jfloatArray points, jint offset, jint count, SkPaint* paint) { 371 jfloat* storage = env->GetFloatArrayElements(points, NULL); 372 renderer->drawPoints(storage + offset, count, paint); 373 env->ReleaseFloatArrayElements(points, storage, 0); 374} 375 376static void android_view_GLES20Canvas_drawPath(JNIEnv* env, jobject clazz, 377 OpenGLRenderer* renderer, SkPath* path, SkPaint* paint) { 378 renderer->drawPath(path, paint); 379} 380 381static void android_view_GLES20Canvas_drawLines(JNIEnv* env, jobject clazz, 382 OpenGLRenderer* renderer, jfloatArray points, jint offset, jint count, SkPaint* paint) { 383 jfloat* storage = env->GetFloatArrayElements(points, NULL); 384 renderer->drawLines(storage + offset, count, paint); 385 env->ReleaseFloatArrayElements(points, storage, 0); 386} 387 388// ---------------------------------------------------------------------------- 389// Shaders and color filters 390// ---------------------------------------------------------------------------- 391 392static void android_view_GLES20Canvas_resetModifiers(JNIEnv* env, jobject clazz, 393 OpenGLRenderer* renderer, jint modifiers) { 394 if (modifiers & MODIFIER_SHADOW) renderer->resetShadow(); 395 if (modifiers & MODIFIER_SHADER) renderer->resetShader(); 396 if (modifiers & MODIFIER_COLOR_FILTER) renderer->resetColorFilter(); 397} 398 399static void android_view_GLES20Canvas_setupShader(JNIEnv* env, jobject clazz, 400 OpenGLRenderer* renderer, SkiaShader* shader) { 401 renderer->setupShader(shader); 402} 403 404static void android_view_GLES20Canvas_setupColorFilter(JNIEnv* env, jobject clazz, 405 OpenGLRenderer* renderer, SkiaColorFilter* filter) { 406 renderer->setupColorFilter(filter); 407} 408 409static void android_view_GLES20Canvas_setupShadow(JNIEnv* env, jobject clazz, 410 OpenGLRenderer* renderer, jfloat radius, jfloat dx, jfloat dy, jint color) { 411 renderer->setupShadow(radius, dx, dy, color); 412} 413 414// ---------------------------------------------------------------------------- 415// Text 416// ---------------------------------------------------------------------------- 417 418static void renderText(OpenGLRenderer* renderer, const jchar* text, int count, 419 jfloat x, jfloat y, int flags, SkPaint* paint) { 420 const jchar *workText; 421 jchar* buffer = NULL; 422 int32_t workBytes; 423 if (TextLayout::prepareText(paint, text, count, flags, &workText, &workBytes, &buffer)) { 424 renderer->drawText((const char*) workText, workBytes, count, x, y, paint); 425 free(buffer); 426 } 427} 428 429static void renderTextRun(OpenGLRenderer* renderer, const jchar* text, 430 jint start, jint count, jint contextCount, jfloat x, jfloat y, 431 int flags, SkPaint* paint) { 432 uint8_t rtl = flags & 0x1; 433 if (rtl) { 434 SkAutoSTMalloc<80, jchar> buffer(contextCount); 435 jchar* shaped = buffer.get(); 436 if (TextLayout::prepareRtlTextRun(text, start, count, contextCount, shaped)) { 437 renderer->drawText((const char*) shaped, count << 1, count, x, y, paint); 438 } else { 439 LOGW("drawTextRun error"); 440 } 441 } else { 442 renderer->drawText((const char*) (text + start), count << 1, count, x, y, paint); 443 } 444} 445 446static void android_view_GLES20Canvas_drawTextArray(JNIEnv* env, jobject clazz, 447 OpenGLRenderer* renderer, jcharArray text, jint index, jint count, 448 jfloat x, jfloat y, jint flags, SkPaint* paint) { 449 jchar* textArray = env->GetCharArrayElements(text, NULL); 450 renderText(renderer, textArray + index, count, x, y, flags, paint); 451 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 452} 453 454static void android_view_GLES20Canvas_drawText(JNIEnv* env, jobject clazz, 455 OpenGLRenderer* renderer, jstring text, jint start, jint end, 456 jfloat x, jfloat y, jint flags, SkPaint* paint) { 457 const jchar* textArray = env->GetStringChars(text, NULL); 458 renderText(renderer, textArray + start, end - start, x, y, flags, paint); 459 env->ReleaseStringChars(text, textArray); 460} 461 462static void android_view_GLES20Canvas_drawTextRunArray(JNIEnv* env, jobject clazz, 463 OpenGLRenderer* renderer, jcharArray text, jint index, jint count, 464 jint contextIndex, jint contextCount, jfloat x, jfloat y, jint dirFlags, 465 SkPaint* paint) { 466 jchar* textArray = env->GetCharArrayElements(text, NULL); 467 renderTextRun(renderer, textArray + contextIndex, index - contextIndex, 468 count, contextCount, x, y, dirFlags, paint); 469 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 470 } 471 472static void android_view_GLES20Canvas_drawTextRun(JNIEnv* env, jobject clazz, 473 OpenGLRenderer* renderer, jstring text, jint start, jint end, 474 jint contextStart, int contextEnd, jfloat x, jfloat y, jint dirFlags, 475 SkPaint* paint) { 476 const jchar* textArray = env->GetStringChars(text, NULL); 477 jint count = end - start; 478 jint contextCount = contextEnd - contextStart; 479 renderTextRun(renderer, textArray + contextStart, start - contextStart, 480 count, contextCount, x, y, dirFlags, paint); 481 env->ReleaseStringChars(text, textArray); 482} 483 484// ---------------------------------------------------------------------------- 485// Display lists 486// ---------------------------------------------------------------------------- 487 488static DisplayList* android_view_GLES20Canvas_getDisplayList(JNIEnv* env, 489 jobject clazz, DisplayListRenderer* renderer) { 490 return renderer->getDisplayList(); 491} 492 493static OpenGLRenderer* android_view_GLES20Canvas_getDisplayListRenderer(JNIEnv* env, 494 jobject clazz, DisplayListRenderer* renderer) { 495 if (renderer == NULL) { 496 renderer = new DisplayListRenderer; 497 } else { 498 renderer->reset(); 499 } 500 return renderer; 501} 502 503static void android_view_GLES20Canvas_destroyDisplayList(JNIEnv* env, 504 jobject clazz, DisplayList* displayList) { 505 delete displayList; 506} 507 508static bool android_view_GLES20Canvas_drawDisplayList(JNIEnv* env, 509 jobject clazz, OpenGLRenderer* renderer, DisplayList* displayList, 510 jint width, jint height, jobject dirty) { 511 android::uirenderer::Rect bounds; 512 bool redraw = renderer->drawDisplayList(displayList, width, height, bounds); 513 if (redraw && dirty != NULL) { 514 env->CallVoidMethod(dirty, gRectClassInfo.set, 515 int(bounds.left), int(bounds.top), int(bounds.right), int(bounds.bottom)); 516 } 517 return redraw; 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 }, 612 613 { "nCallDrawGLFunction", "(II)Z", 614 (void*) android_view_GLES20Canvas_callDrawGLFunction }, 615 616 { "nSave", "(II)I", (void*) android_view_GLES20Canvas_save }, 617 { "nRestore", "(I)V", (void*) android_view_GLES20Canvas_restore }, 618 { "nRestoreToCount", "(II)V", (void*) android_view_GLES20Canvas_restoreToCount }, 619 { "nGetSaveCount", "(I)I", (void*) android_view_GLES20Canvas_getSaveCount }, 620 621 { "nSaveLayer", "(IFFFFII)I", (void*) android_view_GLES20Canvas_saveLayer }, 622 { "nSaveLayerAlpha", "(IFFFFII)I", (void*) android_view_GLES20Canvas_saveLayerAlpha }, 623 624 { "nQuickReject", "(IFFFFI)Z", (void*) android_view_GLES20Canvas_quickReject }, 625 { "nClipRect", "(IFFFFI)Z", (void*) android_view_GLES20Canvas_clipRectF }, 626 { "nClipRect", "(IIIIII)Z", (void*) android_view_GLES20Canvas_clipRect }, 627 628 { "nTranslate", "(IFF)V", (void*) android_view_GLES20Canvas_translate }, 629 { "nRotate", "(IF)V", (void*) android_view_GLES20Canvas_rotate }, 630 { "nScale", "(IFF)V", (void*) android_view_GLES20Canvas_scale }, 631 { "nSkew", "(IFF)V", (void*) android_view_GLES20Canvas_skew }, 632 633 { "nSetMatrix", "(II)V", (void*) android_view_GLES20Canvas_setMatrix }, 634 { "nGetMatrix", "(I)I", (void*) android_view_GLES20Canvas_getNativeMatrix }, 635 { "nGetMatrix", "(II)V", (void*) android_view_GLES20Canvas_getMatrix }, 636 { "nConcatMatrix", "(II)V", (void*) android_view_GLES20Canvas_concatMatrix }, 637 638 { "nDrawBitmap", "(II[BFFI)V", (void*) android_view_GLES20Canvas_drawBitmap }, 639 { "nDrawBitmap", "(II[BFFFFFFFFI)V",(void*) android_view_GLES20Canvas_drawBitmapRect }, 640 { "nDrawBitmap", "(II[BII)V", (void*) android_view_GLES20Canvas_drawBitmapMatrix }, 641 642 { "nDrawBitmapMesh", "(II[BII[FI[III)V",(void*) android_view_GLES20Canvas_drawBitmapMesh }, 643 644 { "nDrawPatch", "(II[B[BFFFFI)V", (void*) android_view_GLES20Canvas_drawPatch }, 645 646 { "nDrawColor", "(III)V", (void*) android_view_GLES20Canvas_drawColor }, 647 { "nDrawRect", "(IFFFFI)V", (void*) android_view_GLES20Canvas_drawRect }, 648 { "nDrawRects", "(III)V", (void*) android_view_GLES20Canvas_drawRects }, 649 { "nDrawRoundRect", "(IFFFFFFI)V", (void*) android_view_GLES20Canvas_drawRoundRect }, 650 { "nDrawCircle", "(IFFFI)V", (void*) android_view_GLES20Canvas_drawCircle }, 651 { "nDrawOval", "(IFFFFI)V", (void*) android_view_GLES20Canvas_drawOval }, 652 { "nDrawArc", "(IFFFFFFZI)V", (void*) android_view_GLES20Canvas_drawArc }, 653 { "nDrawPoints", "(I[FIII)V", (void*) android_view_GLES20Canvas_drawPoints }, 654 655 { "nDrawPath", "(III)V", (void*) android_view_GLES20Canvas_drawPath }, 656 { "nDrawLines", "(I[FIII)V", (void*) android_view_GLES20Canvas_drawLines }, 657 658 { "nResetModifiers", "(II)V", (void*) android_view_GLES20Canvas_resetModifiers }, 659 { "nSetupShader", "(II)V", (void*) android_view_GLES20Canvas_setupShader }, 660 { "nSetupColorFilter", "(II)V", (void*) android_view_GLES20Canvas_setupColorFilter }, 661 { "nSetupShadow", "(IFFFI)V", (void*) android_view_GLES20Canvas_setupShadow }, 662 663 { "nDrawText", "(I[CIIFFII)V", (void*) android_view_GLES20Canvas_drawTextArray }, 664 { "nDrawText", "(ILjava/lang/String;IIFFII)V", 665 (void*) android_view_GLES20Canvas_drawText }, 666 667 { "nDrawTextRun", "(I[CIIIIFFII)V", (void*) android_view_GLES20Canvas_drawTextRunArray }, 668 { "nDrawTextRun", "(ILjava/lang/String;IIIIFFII)V", 669 (void*) android_view_GLES20Canvas_drawTextRun }, 670 671 { "nGetClipBounds", "(ILandroid/graphics/Rect;)Z", 672 (void*) android_view_GLES20Canvas_getClipBounds }, 673 674 { "nGetDisplayList", "(I)I", (void*) android_view_GLES20Canvas_getDisplayList }, 675 { "nDestroyDisplayList", "(I)V", (void*) android_view_GLES20Canvas_destroyDisplayList }, 676 { "nGetDisplayListRenderer", "(I)I", (void*) android_view_GLES20Canvas_getDisplayListRenderer }, 677 { "nDrawDisplayList", "(IIIILandroid/graphics/Rect;)Z", 678 (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); 697 698 #define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) \ 699 var = env->GetMethodID(clazz, methodName, methodDescriptor); \ 700 LOG_FATAL_IF(! var, "Unable to find method " methodName); 701#else 702 #define FIND_CLASS(var, className) 703 #define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) 704#endif 705 706int register_android_view_GLES20Canvas(JNIEnv* env) { 707 jclass clazz; 708 FIND_CLASS(clazz, "android/graphics/Rect"); 709 GET_METHOD_ID(gRectClassInfo.set, clazz, "set", "(IIII)V"); 710 711 return AndroidRuntime::registerNativeMethods(env, kClassPathName, gMethods, NELEM(gMethods)); 712} 713 714}; 715