android_view_GLES20Canvas.cpp revision ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47
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 <Rect.h> 50 51#include <TextLayout.h> 52#include <TextLayoutCache.h> 53 54namespace android { 55 56using namespace uirenderer; 57 58/** 59 * Note: OpenGLRenderer JNI layer is generated and compiled only on supported 60 * devices. This means all the logic must be compiled only when the 61 * preprocessor variable USE_OPENGL_RENDERER is defined. 62 */ 63#ifdef USE_OPENGL_RENDERER 64 65// ---------------------------------------------------------------------------- 66// Defines 67// ---------------------------------------------------------------------------- 68 69// Debug 70#define DEBUG_RENDERER 0 71 72// Debug 73#if DEBUG_RENDERER 74 #define RENDERER_LOGD(...) ALOGD(__VA_ARGS__) 75#else 76 #define RENDERER_LOGD(...) 77#endif 78 79#define MODIFIER_SHADOW 1 80#define MODIFIER_SHADER 2 81#define MODIFIER_COLOR_FILTER 4 82 83// ---------------------------------------------------------------------------- 84 85static struct { 86 jmethodID set; 87} gRectClassInfo; 88 89// ---------------------------------------------------------------------------- 90// Caching 91// ---------------------------------------------------------------------------- 92 93static void android_view_GLES20Canvas_flushCaches(JNIEnv* env, jobject clazz, 94 Caches::FlushMode mode) { 95 if (Caches::hasInstance()) { 96 Caches::getInstance().flush(mode); 97 } 98} 99 100static void android_view_GLES20Canvas_initCaches(JNIEnv* env, jobject clazz) { 101 if (Caches::hasInstance()) { 102 Caches::getInstance().init(); 103 } 104} 105 106static void android_view_GLES20Canvas_terminateCaches(JNIEnv* env, jobject clazz) { 107 if (Caches::hasInstance()) { 108 Caches::getInstance().terminate(); 109 } 110} 111 112// ---------------------------------------------------------------------------- 113// Constructors 114// ---------------------------------------------------------------------------- 115 116static OpenGLRenderer* android_view_GLES20Canvas_createRenderer(JNIEnv* env, jobject clazz) { 117 RENDERER_LOGD("Create OpenGLRenderer"); 118 return new OpenGLRenderer; 119} 120 121static void android_view_GLES20Canvas_destroyRenderer(JNIEnv* env, jobject clazz, 122 OpenGLRenderer* renderer) { 123 RENDERER_LOGD("Destroy OpenGLRenderer"); 124 delete renderer; 125} 126 127// ---------------------------------------------------------------------------- 128// Setup 129// ---------------------------------------------------------------------------- 130 131static void android_view_GLES20Canvas_setViewport(JNIEnv* env, jobject clazz, 132 OpenGLRenderer* renderer, jint width, jint height) { 133 renderer->setViewport(width, height); 134} 135 136static void android_view_GLES20Canvas_prepare(JNIEnv* env, jobject clazz, 137 OpenGLRenderer* renderer, jboolean opaque) { 138 renderer->prepare(opaque); 139} 140 141static void android_view_GLES20Canvas_prepareDirty(JNIEnv* env, jobject clazz, 142 OpenGLRenderer* renderer, jint left, jint top, jint right, jint bottom, 143 jboolean opaque) { 144 renderer->prepareDirty(left, top, right, bottom, opaque); 145} 146 147static void android_view_GLES20Canvas_finish(JNIEnv* env, jobject clazz, 148 OpenGLRenderer* renderer) { 149 renderer->finish(); 150} 151 152static jint android_view_GLES20Canvas_getStencilSize(JNIEnv* env, jobject clazz) { 153 return OpenGLRenderer::getStencilSize(); 154} 155 156// ---------------------------------------------------------------------------- 157// Functor 158// ---------------------------------------------------------------------------- 159 160static jint android_view_GLES20Canvas_callDrawGLFunction(JNIEnv* env, jobject clazz, 161 OpenGLRenderer* renderer, Functor* functor) { 162 android::uirenderer::Rect dirty; 163 return renderer->callDrawGLFunction(functor, dirty); 164} 165 166static void android_view_GLES20Canvas_detachFunctor(JNIEnv* env, 167 jobject clazz, OpenGLRenderer* renderer, Functor* functor) { 168 renderer->detachFunctor(functor); 169} 170 171static void android_view_GLES20Canvas_attachFunctor(JNIEnv* env, 172 jobject clazz, OpenGLRenderer* renderer, Functor* functor) { 173 renderer->attachFunctor(functor); 174} 175 176static jint android_view_GLES20Canvas_invokeFunctors(JNIEnv* env, 177 jobject clazz, OpenGLRenderer* renderer, jobject dirty) { 178 android::uirenderer::Rect bounds; 179 status_t status = renderer->invokeFunctors(bounds); 180 if (status != DrawGlInfo::kStatusDone && dirty != NULL) { 181 env->CallVoidMethod(dirty, gRectClassInfo.set, 182 int(bounds.left), int(bounds.top), int(bounds.right), int(bounds.bottom)); 183 } 184 return status; 185} 186 187// ---------------------------------------------------------------------------- 188// Misc 189// ---------------------------------------------------------------------------- 190 191static jint android_view_GLES20Canvas_getMaxTextureWidth(JNIEnv* env, jobject clazz) { 192 return Caches::getInstance().maxTextureSize; 193} 194 195static jint android_view_GLES20Canvas_getMaxTextureHeight(JNIEnv* env, jobject clazz) { 196 return Caches::getInstance().maxTextureSize; 197} 198 199// ---------------------------------------------------------------------------- 200// State 201// ---------------------------------------------------------------------------- 202 203static jint android_view_GLES20Canvas_save(JNIEnv* env, jobject clazz, OpenGLRenderer* renderer, 204 jint flags) { 205 return renderer->save(flags); 206} 207 208static jint android_view_GLES20Canvas_getSaveCount(JNIEnv* env, jobject clazz, 209 OpenGLRenderer* renderer) { 210 return renderer->getSaveCount(); 211} 212 213static void android_view_GLES20Canvas_restore(JNIEnv* env, jobject clazz, 214 OpenGLRenderer* renderer) { 215 renderer->restore(); 216} 217 218static void android_view_GLES20Canvas_restoreToCount(JNIEnv* env, jobject clazz, 219 OpenGLRenderer* renderer, jint saveCount) { 220 renderer->restoreToCount(saveCount); 221} 222 223// ---------------------------------------------------------------------------- 224// Layers 225// ---------------------------------------------------------------------------- 226 227static jint android_view_GLES20Canvas_saveLayer(JNIEnv* env, jobject clazz, 228 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 229 SkPaint* paint, jint saveFlags) { 230 return renderer->saveLayer(left, top, right, bottom, paint, saveFlags); 231} 232 233static jint android_view_GLES20Canvas_saveLayerClip(JNIEnv* env, jobject clazz, 234 OpenGLRenderer* renderer, SkPaint* paint, jint saveFlags) { 235 const android::uirenderer::Rect& bounds(renderer->getClipBounds()); 236 return renderer->saveLayer(bounds.left, bounds.top, bounds.right, bounds.bottom, 237 paint, saveFlags); 238} 239 240static jint android_view_GLES20Canvas_saveLayerAlpha(JNIEnv* env, jobject clazz, 241 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 242 jint alpha, jint saveFlags) { 243 return renderer->saveLayerAlpha(left, top, right, bottom, alpha, saveFlags); 244} 245 246static jint android_view_GLES20Canvas_saveLayerAlphaClip(JNIEnv* env, jobject clazz, 247 OpenGLRenderer* renderer, jint alpha, jint saveFlags) { 248 const android::uirenderer::Rect& bounds(renderer->getClipBounds()); 249 return renderer->saveLayerAlpha(bounds.left, bounds.top, bounds.right, bounds.bottom, 250 alpha, saveFlags); 251} 252 253// ---------------------------------------------------------------------------- 254// Clipping 255// ---------------------------------------------------------------------------- 256 257static bool android_view_GLES20Canvas_quickReject(JNIEnv* env, jobject clazz, 258 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 259 SkCanvas::EdgeType edge) { 260 return renderer->quickReject(left, top, right, bottom); 261} 262 263static bool android_view_GLES20Canvas_clipRectF(JNIEnv* env, jobject clazz, 264 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 265 SkRegion::Op op) { 266 return renderer->clipRect(left, top, right, bottom, op); 267} 268 269static bool android_view_GLES20Canvas_clipRect(JNIEnv* env, jobject clazz, 270 OpenGLRenderer* renderer, jint left, jint top, jint right, jint bottom, 271 SkRegion::Op op) { 272 return renderer->clipRect(float(left), float(top), float(right), float(bottom), op); 273} 274 275static bool android_view_GLES20Canvas_getClipBounds(JNIEnv* env, jobject clazz, 276 OpenGLRenderer* renderer, jobject rect) { 277 const android::uirenderer::Rect& bounds(renderer->getClipBounds()); 278 279 env->CallVoidMethod(rect, gRectClassInfo.set, 280 int(bounds.left), int(bounds.top), int(bounds.right), int(bounds.bottom)); 281 282 return !bounds.isEmpty(); 283} 284 285// ---------------------------------------------------------------------------- 286// Transforms 287// ---------------------------------------------------------------------------- 288 289static void android_view_GLES20Canvas_translate(JNIEnv* env, jobject clazz, 290 OpenGLRenderer* renderer, jfloat dx, jfloat dy) { 291 renderer->translate(dx, dy); 292} 293 294static void android_view_GLES20Canvas_rotate(JNIEnv* env, jobject clazz, 295 OpenGLRenderer* renderer, jfloat degrees) { 296 renderer->rotate(degrees); 297} 298 299static void android_view_GLES20Canvas_scale(JNIEnv* env, jobject clazz, 300 OpenGLRenderer* renderer, jfloat sx, jfloat sy) { 301 renderer->scale(sx, sy); 302} 303 304static void android_view_GLES20Canvas_skew(JNIEnv* env, jobject clazz, 305 OpenGLRenderer* renderer, jfloat sx, jfloat sy) { 306 renderer->skew(sx, sy); 307} 308 309static void android_view_GLES20Canvas_setMatrix(JNIEnv* env, jobject clazz, 310 OpenGLRenderer* renderer, SkMatrix* matrix) { 311 renderer->setMatrix(matrix); 312} 313 314static void android_view_GLES20Canvas_getMatrix(JNIEnv* env, jobject clazz, 315 OpenGLRenderer* renderer, SkMatrix* matrix) { 316 renderer->getMatrix(matrix); 317} 318 319static void android_view_GLES20Canvas_concatMatrix(JNIEnv* env, jobject clazz, 320 OpenGLRenderer* renderer, SkMatrix* matrix) { 321 renderer->concatMatrix(matrix); 322} 323 324// ---------------------------------------------------------------------------- 325// Drawing 326// ---------------------------------------------------------------------------- 327 328static void android_view_GLES20Canvas_drawBitmap(JNIEnv* env, jobject clazz, 329 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, float left, 330 float top, SkPaint* paint) { 331 // This object allows the renderer to allocate a global JNI ref to the buffer object. 332 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 333 334 renderer->drawBitmap(bitmap, left, top, paint); 335} 336 337static void android_view_GLES20Canvas_drawBitmapRect(JNIEnv* env, jobject clazz, 338 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, 339 float srcLeft, float srcTop, float srcRight, float srcBottom, 340 float dstLeft, float dstTop, float dstRight, float dstBottom, SkPaint* paint) { 341 // This object allows the renderer to allocate a global JNI ref to the buffer object. 342 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 343 344 renderer->drawBitmap(bitmap, srcLeft, srcTop, srcRight, srcBottom, 345 dstLeft, dstTop, dstRight, dstBottom, paint); 346} 347 348static void android_view_GLES20Canvas_drawBitmapMatrix(JNIEnv* env, jobject clazz, 349 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, SkMatrix* matrix, 350 SkPaint* paint) { 351 // This object allows the renderer to allocate a global JNI ref to the buffer object. 352 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 353 354 renderer->drawBitmap(bitmap, matrix, paint); 355} 356 357static void android_view_GLES20Canvas_drawBitmapMesh(JNIEnv* env, jobject clazz, 358 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, 359 jint meshWidth, jint meshHeight, jfloatArray vertices, jint offset, 360 jintArray colors, jint colorOffset, SkPaint* paint) { 361 // This object allows the renderer to allocate a global JNI ref to the buffer object. 362 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 363 364 jfloat* verticesArray = vertices ? env->GetFloatArrayElements(vertices, NULL) + offset : NULL; 365 jint* colorsArray = colors ? env->GetIntArrayElements(colors, NULL) + colorOffset : NULL; 366 367 renderer->drawBitmapMesh(bitmap, meshWidth, meshHeight, verticesArray, colorsArray, paint); 368 369 if (vertices) env->ReleaseFloatArrayElements(vertices, verticesArray, 0); 370 if (colors) env->ReleaseIntArrayElements(colors, colorsArray, 0); 371} 372 373static void android_view_GLES20Canvas_drawPatch(JNIEnv* env, jobject clazz, 374 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, jbyteArray chunks, 375 float left, float top, float right, float bottom, SkPaint* paint) { 376 // This object allows the renderer to allocate a global JNI ref to the buffer object. 377 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 378 379 jbyte* storage = env->GetByteArrayElements(chunks, NULL); 380 Res_png_9patch* patch = reinterpret_cast<Res_png_9patch*>(storage); 381 Res_png_9patch::deserialize(patch); 382 383 renderer->drawPatch(bitmap, &patch->xDivs[0], &patch->yDivs[0], 384 &patch->colors[0], patch->numXDivs, patch->numYDivs, patch->numColors, 385 left, top, right, bottom, paint); 386 387 env->ReleaseByteArrayElements(chunks, storage, 0); 388} 389 390static void android_view_GLES20Canvas_drawColor(JNIEnv* env, jobject clazz, 391 OpenGLRenderer* renderer, jint color, SkXfermode::Mode mode) { 392 renderer->drawColor(color, mode); 393} 394 395static void android_view_GLES20Canvas_drawRect(JNIEnv* env, jobject clazz, 396 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 397 SkPaint* paint) { 398 renderer->drawRect(left, top, right, bottom, paint); 399} 400 401static void android_view_GLES20Canvas_drawRoundRect(JNIEnv* env, jobject clazz, 402 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 403 jfloat rx, jfloat ry, SkPaint* paint) { 404 renderer->drawRoundRect(left, top, right, bottom, rx, ry, paint); 405} 406 407static void android_view_GLES20Canvas_drawCircle(JNIEnv* env, jobject clazz, 408 OpenGLRenderer* renderer, jfloat x, jfloat y, jfloat radius, SkPaint* paint) { 409 renderer->drawCircle(x, y, radius, paint); 410} 411 412static void android_view_GLES20Canvas_drawOval(JNIEnv* env, jobject clazz, 413 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 414 SkPaint* paint) { 415 renderer->drawOval(left, top, right, bottom, paint); 416} 417 418static void android_view_GLES20Canvas_drawArc(JNIEnv* env, jobject clazz, 419 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 420 jfloat startAngle, jfloat sweepAngle, jboolean useCenter, SkPaint* paint) { 421 renderer->drawArc(left, top, right, bottom, startAngle, sweepAngle, useCenter, paint); 422} 423 424static void android_view_GLES20Canvas_drawRects(JNIEnv* env, jobject clazz, 425 OpenGLRenderer* renderer, SkRegion* region, SkPaint* paint) { 426 SkRegion::Iterator it(*region); 427 while (!it.done()) { 428 const SkIRect& r = it.rect(); 429 renderer->drawRect(r.fLeft, r.fTop, r.fRight, r.fBottom, paint); 430 it.next(); 431 } 432} 433 434static void android_view_GLES20Canvas_drawPoints(JNIEnv* env, jobject clazz, 435 OpenGLRenderer* renderer, jfloatArray points, jint offset, jint count, SkPaint* paint) { 436 jfloat* storage = env->GetFloatArrayElements(points, NULL); 437 renderer->drawPoints(storage + offset, count, paint); 438 env->ReleaseFloatArrayElements(points, storage, 0); 439} 440 441static void android_view_GLES20Canvas_drawPath(JNIEnv* env, jobject clazz, 442 OpenGLRenderer* renderer, SkPath* path, SkPaint* paint) { 443 renderer->drawPath(path, paint); 444} 445 446static void android_view_GLES20Canvas_drawLines(JNIEnv* env, jobject clazz, 447 OpenGLRenderer* renderer, jfloatArray points, jint offset, jint count, SkPaint* paint) { 448 jfloat* storage = env->GetFloatArrayElements(points, NULL); 449 renderer->drawLines(storage + offset, count, paint); 450 env->ReleaseFloatArrayElements(points, storage, 0); 451} 452 453// ---------------------------------------------------------------------------- 454// Shaders and color filters 455// ---------------------------------------------------------------------------- 456 457static void android_view_GLES20Canvas_resetModifiers(JNIEnv* env, jobject clazz, 458 OpenGLRenderer* renderer, jint modifiers) { 459 if (modifiers & MODIFIER_SHADOW) renderer->resetShadow(); 460 if (modifiers & MODIFIER_SHADER) renderer->resetShader(); 461 if (modifiers & MODIFIER_COLOR_FILTER) renderer->resetColorFilter(); 462} 463 464static void android_view_GLES20Canvas_setupShader(JNIEnv* env, jobject clazz, 465 OpenGLRenderer* renderer, SkiaShader* shader) { 466 renderer->setupShader(shader); 467} 468 469static void android_view_GLES20Canvas_setupColorFilter(JNIEnv* env, jobject clazz, 470 OpenGLRenderer* renderer, SkiaColorFilter* filter) { 471 renderer->setupColorFilter(filter); 472} 473 474static void android_view_GLES20Canvas_setupShadow(JNIEnv* env, jobject clazz, 475 OpenGLRenderer* renderer, jfloat radius, jfloat dx, jfloat dy, jint color) { 476 renderer->setupShadow(radius, dx, dy, color); 477} 478 479// ---------------------------------------------------------------------------- 480// Draw filters 481// ---------------------------------------------------------------------------- 482 483static void android_view_GLES20Canvas_setupPaintFilter(JNIEnv* env, jobject clazz, 484 OpenGLRenderer* renderer, jint clearBits, jint setBits) { 485 renderer->setupPaintFilter(clearBits, setBits); 486} 487 488static void android_view_GLES20Canvas_resetPaintFilter(JNIEnv* env, jobject clazz, 489 OpenGLRenderer* renderer) { 490 renderer->resetPaintFilter(); 491} 492 493// ---------------------------------------------------------------------------- 494// Text 495// ---------------------------------------------------------------------------- 496 497static void renderText(OpenGLRenderer* renderer, const jchar* text, int count, 498 jfloat x, jfloat y, int flags, SkPaint* paint) { 499 sp<TextLayoutValue> value = TextLayoutEngine::getInstance().getValue(paint, 500 text, 0, count, count, flags); 501 if (value == NULL) { 502 return; 503 } 504 const jchar* glyphs = value->getGlyphs(); 505 size_t glyphsCount = value->getGlyphsCount(); 506 int bytesCount = glyphsCount * sizeof(jchar); 507 renderer->drawText((const char*) glyphs, bytesCount, glyphsCount, x, y, paint); 508} 509 510static void renderTextOnPath(OpenGLRenderer* renderer, const jchar* text, int count, 511 SkPath* path, jfloat hOffset, jfloat vOffset, int flags, SkPaint* paint) { 512 sp<TextLayoutValue> value = TextLayoutEngine::getInstance().getValue(paint, 513 text, 0, count, count, flags); 514 if (value == NULL) { 515 return; 516 } 517 const jchar* glyphs = value->getGlyphs(); 518 size_t glyphsCount = value->getGlyphsCount(); 519 int bytesCount = glyphsCount * sizeof(jchar); 520 renderer->drawTextOnPath((const char*) glyphs, bytesCount, glyphsCount, path, 521 hOffset, vOffset, paint); 522} 523 524static void renderTextRun(OpenGLRenderer* renderer, const jchar* text, 525 jint start, jint count, jint contextCount, jfloat x, jfloat y, 526 int flags, SkPaint* paint) { 527 sp<TextLayoutValue> value = TextLayoutEngine::getInstance().getValue(paint, 528 text, start, count, contextCount, flags); 529 if (value == NULL) { 530 return; 531 } 532 const jchar* glyphs = value->getGlyphs(); 533 size_t glyphsCount = value->getGlyphsCount(); 534 int bytesCount = glyphsCount * sizeof(jchar); 535 renderer->drawText((const char*) glyphs, bytesCount, glyphsCount, x, y, paint); 536} 537 538static void android_view_GLES20Canvas_drawTextArray(JNIEnv* env, jobject clazz, 539 OpenGLRenderer* renderer, jcharArray text, jint index, jint count, 540 jfloat x, jfloat y, jint flags, SkPaint* paint) { 541 jchar* textArray = env->GetCharArrayElements(text, NULL); 542 renderText(renderer, textArray + index, count, x, y, flags, paint); 543 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 544} 545 546static void android_view_GLES20Canvas_drawText(JNIEnv* env, jobject clazz, 547 OpenGLRenderer* renderer, jstring text, jint start, jint end, 548 jfloat x, jfloat y, jint flags, SkPaint* paint) { 549 const jchar* textArray = env->GetStringChars(text, NULL); 550 renderText(renderer, textArray + start, end - start, x, y, flags, paint); 551 env->ReleaseStringChars(text, textArray); 552} 553 554static void android_view_GLES20Canvas_drawTextArrayOnPath(JNIEnv* env, jobject clazz, 555 OpenGLRenderer* renderer, jcharArray text, jint index, jint count, 556 SkPath* path, jfloat hOffset, jfloat vOffset, jint flags, SkPaint* paint) { 557 jchar* textArray = env->GetCharArrayElements(text, NULL); 558 renderTextOnPath(renderer, textArray + index, count, path, 559 hOffset, vOffset, flags, paint); 560 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 561} 562 563static void android_view_GLES20Canvas_drawTextOnPath(JNIEnv* env, jobject clazz, 564 OpenGLRenderer* renderer, jstring text, jint start, jint end, 565 SkPath* path, jfloat hOffset, jfloat vOffset, jint flags, SkPaint* paint) { 566 const jchar* textArray = env->GetStringChars(text, NULL); 567 renderTextOnPath(renderer, textArray + start, end - start, path, 568 hOffset, vOffset, flags, paint); 569 env->ReleaseStringChars(text, textArray); 570} 571 572static void android_view_GLES20Canvas_drawTextRunArray(JNIEnv* env, jobject clazz, 573 OpenGLRenderer* renderer, jcharArray text, jint index, jint count, 574 jint contextIndex, jint contextCount, jfloat x, jfloat y, jint dirFlags, 575 SkPaint* paint) { 576 jchar* textArray = env->GetCharArrayElements(text, NULL); 577 renderTextRun(renderer, textArray + contextIndex, index - contextIndex, 578 count, contextCount, x, y, dirFlags, paint); 579 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 580 } 581 582static void android_view_GLES20Canvas_drawTextRun(JNIEnv* env, jobject clazz, 583 OpenGLRenderer* renderer, jstring text, jint start, jint end, 584 jint contextStart, int contextEnd, jfloat x, jfloat y, jint dirFlags, 585 SkPaint* paint) { 586 const jchar* textArray = env->GetStringChars(text, NULL); 587 jint count = end - start; 588 jint contextCount = contextEnd - contextStart; 589 renderTextRun(renderer, textArray + contextStart, start - contextStart, 590 count, contextCount, x, y, dirFlags, paint); 591 env->ReleaseStringChars(text, textArray); 592} 593 594static void renderPosText(OpenGLRenderer* renderer, const jchar* text, int count, 595 const jfloat* positions, jint dirFlags, SkPaint* paint) { 596 sp<TextLayoutValue> value = TextLayoutEngine::getInstance().getValue(paint, 597 text, 0, count, count, dirFlags); 598 if (value == NULL) { 599 return; 600 } 601 const jchar* glyphs = value->getGlyphs(); 602 size_t glyphsCount = value->getGlyphsCount(); 603 if (count < int(glyphsCount)) glyphsCount = count; 604 int bytesCount = glyphsCount * sizeof(jchar); 605 606 renderer->drawPosText((const char*) glyphs, bytesCount, glyphsCount, positions, paint); 607} 608 609static void android_view_GLES20Canvas_drawPosTextArray(JNIEnv* env, jobject clazz, 610 OpenGLRenderer* renderer, jcharArray text, jint index, jint count, 611 jfloatArray pos, SkPaint* paint) { 612 jchar* textArray = env->GetCharArrayElements(text, NULL); 613 jfloat* positions = env->GetFloatArrayElements(pos, NULL); 614 615 renderPosText(renderer, textArray + index, count, positions, kBidi_LTR, paint); 616 617 env->ReleaseFloatArrayElements(pos, positions, JNI_ABORT); 618 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 619} 620 621static void android_view_GLES20Canvas_drawPosText(JNIEnv* env, jobject clazz, 622 OpenGLRenderer* renderer, jstring text, jint start, jint end, 623 jfloatArray pos, SkPaint* paint) { 624 const jchar* textArray = env->GetStringChars(text, NULL); 625 jfloat* positions = env->GetFloatArrayElements(pos, NULL); 626 627 renderPosText(renderer, textArray + start, end - start, positions, kBidi_LTR, paint); 628 629 env->ReleaseFloatArrayElements(pos, positions, JNI_ABORT); 630 env->ReleaseStringChars(text, textArray); 631} 632 633// ---------------------------------------------------------------------------- 634// Display lists 635// ---------------------------------------------------------------------------- 636 637static DisplayList* android_view_GLES20Canvas_getDisplayList(JNIEnv* env, 638 jobject clazz, DisplayListRenderer* renderer, DisplayList* displayList) { 639 return renderer->getDisplayList(displayList); 640} 641 642static jint android_view_GLES20Canvas_getDisplayListSize(JNIEnv* env, 643 jobject clazz, DisplayList* displayList) { 644 return displayList->getSize(); 645} 646 647static void android_view_GLES20Canvas_setDisplayListName(JNIEnv* env, 648 jobject clazz, DisplayList* displayList, jstring name) { 649 if (name != NULL) { 650 const char* textArray = env->GetStringUTFChars(name, NULL); 651 displayList->setName(textArray); 652 env->ReleaseStringUTFChars(name, textArray); 653 } 654} 655 656static OpenGLRenderer* android_view_GLES20Canvas_createDisplayListRenderer(JNIEnv* env, 657 jobject clazz) { 658 return new DisplayListRenderer; 659} 660 661static void android_view_GLES20Canvas_resetDisplayListRenderer(JNIEnv* env, 662 jobject clazz, DisplayListRenderer* renderer) { 663 renderer->reset(); 664} 665 666static void android_view_GLES20Canvas_destroyDisplayList(JNIEnv* env, 667 jobject clazz, DisplayList* displayList) { 668 DisplayList::destroyDisplayListDeferred(displayList); 669} 670 671static jint android_view_GLES20Canvas_drawDisplayList(JNIEnv* env, 672 jobject clazz, OpenGLRenderer* renderer, DisplayList* displayList, 673 jobject dirty, jint flags) { 674 android::uirenderer::Rect bounds; 675 status_t status = renderer->drawDisplayList(displayList, bounds, flags); 676 if (status != DrawGlInfo::kStatusDone && dirty != NULL) { 677 env->CallVoidMethod(dirty, gRectClassInfo.set, 678 int(bounds.left), int(bounds.top), int(bounds.right), int(bounds.bottom)); 679 } 680 return status; 681} 682 683static void android_view_GLES20Canvas_outputDisplayList(JNIEnv* env, 684 jobject clazz, OpenGLRenderer* renderer, DisplayList* displayList) { 685 renderer->outputDisplayList(displayList); 686} 687 688// ---------------------------------------------------------------------------- 689// Layers 690// ---------------------------------------------------------------------------- 691 692static void android_view_GLES20Canvas_interrupt(JNIEnv* env, jobject clazz, 693 OpenGLRenderer* renderer) { 694 renderer->interrupt(); 695} 696 697static void android_view_GLES20Canvas_resume(JNIEnv* env, jobject clazz, 698 OpenGLRenderer* renderer) { 699 renderer->resume(); 700} 701 702static OpenGLRenderer* android_view_GLES20Canvas_createLayerRenderer(JNIEnv* env, 703 jobject clazz, Layer* layer) { 704 if (layer) { 705 return new LayerRenderer(layer); 706 } 707 return NULL; 708} 709 710static Layer* android_view_GLES20Canvas_createTextureLayer(JNIEnv* env, jobject clazz, 711 jboolean isOpaque, jintArray layerInfo) { 712 Layer* layer = LayerRenderer::createTextureLayer(isOpaque); 713 714 if (layer) { 715 jint* storage = env->GetIntArrayElements(layerInfo, NULL); 716 storage[0] = layer->getTexture(); 717 env->ReleaseIntArrayElements(layerInfo, storage, 0); 718 } 719 720 return layer; 721} 722 723static Layer* android_view_GLES20Canvas_createLayer(JNIEnv* env, jobject clazz, 724 jint width, jint height, jboolean isOpaque, jintArray layerInfo) { 725 Layer* layer = LayerRenderer::createLayer(width, height, isOpaque); 726 727 if (layer) { 728 jint* storage = env->GetIntArrayElements(layerInfo, NULL); 729 storage[0] = layer->getWidth(); 730 storage[1] = layer->getHeight(); 731 env->ReleaseIntArrayElements(layerInfo, storage, 0); 732 } 733 734 return layer; 735} 736 737static void android_view_GLES20Canvas_resizeLayer(JNIEnv* env, jobject clazz, 738 Layer* layer, jint width, jint height, jintArray layerInfo) { 739 LayerRenderer::resizeLayer(layer, width, height); 740 741 jint* storage = env->GetIntArrayElements(layerInfo, NULL); 742 storage[0] = layer->getWidth(); 743 storage[1] = layer->getHeight(); 744 env->ReleaseIntArrayElements(layerInfo, storage, 0); 745} 746 747static void android_view_GLES20Canvas_updateTextureLayer(JNIEnv* env, jobject clazz, 748 Layer* layer, jint width, jint height, jboolean isOpaque, jobject surface) { 749 float transform[16]; 750 sp<SurfaceTexture> surfaceTexture(SurfaceTexture_getSurfaceTexture(env, surface)); 751 752 surfaceTexture->updateTexImage(); 753 surfaceTexture->getTransformMatrix(transform); 754 GLenum renderTarget = surfaceTexture->getCurrentTextureTarget(); 755 756 LayerRenderer::updateTextureLayer(layer, width, height, isOpaque, renderTarget, transform); 757} 758 759static void android_view_GLES20Canvas_updateRenderLayer(JNIEnv* env, jobject clazz, 760 Layer* layer, OpenGLRenderer* renderer, DisplayList* displayList, 761 jint left, jint top, jint right, jint bottom) { 762 layer->updateDeferred(renderer, displayList, left, top, right, bottom); 763} 764 765static void android_view_GLES20Canvas_setTextureLayerTransform(JNIEnv* env, jobject clazz, 766 Layer* layer, SkMatrix* matrix) { 767 768 layer->getTransform().load(*matrix); 769} 770 771static void android_view_GLES20Canvas_destroyLayer(JNIEnv* env, jobject clazz, Layer* layer) { 772 LayerRenderer::destroyLayer(layer); 773} 774 775static void android_view_GLES20Canvas_destroyLayerDeferred(JNIEnv* env, 776 jobject clazz, Layer* layer) { 777 LayerRenderer::destroyLayerDeferred(layer); 778} 779 780static void android_view_GLES20Canvas_flushLayer(JNIEnv* env, jobject clazz, Layer* layer) { 781 LayerRenderer::flushLayer(layer); 782} 783 784static void android_view_GLES20Canvas_drawLayer(JNIEnv* env, jobject clazz, 785 OpenGLRenderer* renderer, Layer* layer, jfloat x, jfloat y, SkPaint* paint) { 786 renderer->drawLayer(layer, x, y, paint); 787} 788 789static jboolean android_view_GLES20Canvas_copyLayer(JNIEnv* env, jobject clazz, 790 Layer* layer, SkBitmap* bitmap) { 791 return LayerRenderer::copyLayer(layer, bitmap); 792} 793 794#endif // USE_OPENGL_RENDERER 795 796// ---------------------------------------------------------------------------- 797// Common 798// ---------------------------------------------------------------------------- 799 800static jboolean android_view_GLES20Canvas_isAvailable(JNIEnv* env, jobject clazz) { 801#ifdef USE_OPENGL_RENDERER 802 char prop[PROPERTY_VALUE_MAX]; 803 if (property_get("ro.kernel.qemu", prop, NULL) == 0) { 804 // not in the emulator 805 return JNI_TRUE; 806 } 807 // In the emulator this property will be set to 1 when hardware GLES is 808 // enabled, 0 otherwise. On old emulator versions it will be undefined. 809 property_get("ro.kernel.qemu.gles", prop, "0"); 810 return atoi(prop) == 1 ? JNI_TRUE : JNI_FALSE; 811#else 812 return JNI_FALSE; 813#endif 814} 815 816// ---------------------------------------------------------------------------- 817// Logging 818// ---------------------------------------------------------------------------- 819 820static void 821android_app_ActivityThread_dumpGraphics(JNIEnv* env, jobject clazz, jobject javaFileDescriptor) { 822#ifdef USE_OPENGL_RENDERER 823 int fd = jniGetFDFromFileDescriptor(env, javaFileDescriptor); 824 android::uirenderer::DisplayList::outputLogBuffer(fd); 825#endif // USE_OPENGL_RENDERER 826} 827 828// ---------------------------------------------------------------------------- 829// JNI Glue 830// ---------------------------------------------------------------------------- 831 832const char* const kClassPathName = "android/view/GLES20Canvas"; 833 834static JNINativeMethod gMethods[] = { 835 { "nIsAvailable", "()Z", (void*) android_view_GLES20Canvas_isAvailable }, 836 837#ifdef USE_OPENGL_RENDERER 838 { "nFlushCaches", "(I)V", (void*) android_view_GLES20Canvas_flushCaches }, 839 { "nInitCaches", "()V", (void*) android_view_GLES20Canvas_initCaches }, 840 { "nTerminateCaches", "()V", (void*) android_view_GLES20Canvas_terminateCaches }, 841 842 { "nCreateRenderer", "()I", (void*) android_view_GLES20Canvas_createRenderer }, 843 { "nDestroyRenderer", "(I)V", (void*) android_view_GLES20Canvas_destroyRenderer }, 844 { "nSetViewport", "(III)V", (void*) android_view_GLES20Canvas_setViewport }, 845 { "nPrepare", "(IZ)V", (void*) android_view_GLES20Canvas_prepare }, 846 { "nPrepareDirty", "(IIIIIZ)V", (void*) android_view_GLES20Canvas_prepareDirty }, 847 { "nFinish", "(I)V", (void*) android_view_GLES20Canvas_finish }, 848 849 { "nGetStencilSize", "()I", (void*) android_view_GLES20Canvas_getStencilSize }, 850 851 { "nCallDrawGLFunction", "(II)I", (void*) android_view_GLES20Canvas_callDrawGLFunction }, 852 { "nDetachFunctor", "(II)V", (void*) android_view_GLES20Canvas_detachFunctor }, 853 { "nAttachFunctor", "(II)V", (void*) android_view_GLES20Canvas_attachFunctor }, 854 { "nInvokeFunctors", "(ILandroid/graphics/Rect;)I", 855 (void*) android_view_GLES20Canvas_invokeFunctors }, 856 857 { "nSave", "(II)I", (void*) android_view_GLES20Canvas_save }, 858 { "nRestore", "(I)V", (void*) android_view_GLES20Canvas_restore }, 859 { "nRestoreToCount", "(II)V", (void*) android_view_GLES20Canvas_restoreToCount }, 860 { "nGetSaveCount", "(I)I", (void*) android_view_GLES20Canvas_getSaveCount }, 861 862 { "nSaveLayer", "(IFFFFII)I", (void*) android_view_GLES20Canvas_saveLayer }, 863 { "nSaveLayer", "(III)I", (void*) android_view_GLES20Canvas_saveLayerClip }, 864 { "nSaveLayerAlpha", "(IFFFFII)I", (void*) android_view_GLES20Canvas_saveLayerAlpha }, 865 { "nSaveLayerAlpha", "(III)I", (void*) android_view_GLES20Canvas_saveLayerAlphaClip }, 866 867 { "nQuickReject", "(IFFFFI)Z", (void*) android_view_GLES20Canvas_quickReject }, 868 { "nClipRect", "(IFFFFI)Z", (void*) android_view_GLES20Canvas_clipRectF }, 869 { "nClipRect", "(IIIIII)Z", (void*) android_view_GLES20Canvas_clipRect }, 870 871 { "nTranslate", "(IFF)V", (void*) android_view_GLES20Canvas_translate }, 872 { "nRotate", "(IF)V", (void*) android_view_GLES20Canvas_rotate }, 873 { "nScale", "(IFF)V", (void*) android_view_GLES20Canvas_scale }, 874 { "nSkew", "(IFF)V", (void*) android_view_GLES20Canvas_skew }, 875 876 { "nSetMatrix", "(II)V", (void*) android_view_GLES20Canvas_setMatrix }, 877 { "nGetMatrix", "(II)V", (void*) android_view_GLES20Canvas_getMatrix }, 878 { "nConcatMatrix", "(II)V", (void*) android_view_GLES20Canvas_concatMatrix }, 879 880 { "nDrawBitmap", "(II[BFFI)V", (void*) android_view_GLES20Canvas_drawBitmap }, 881 { "nDrawBitmap", "(II[BFFFFFFFFI)V",(void*) android_view_GLES20Canvas_drawBitmapRect }, 882 { "nDrawBitmap", "(II[BII)V", (void*) android_view_GLES20Canvas_drawBitmapMatrix }, 883 884 { "nDrawBitmapMesh", "(II[BII[FI[III)V",(void*) android_view_GLES20Canvas_drawBitmapMesh }, 885 886 { "nDrawPatch", "(II[B[BFFFFI)V", (void*) android_view_GLES20Canvas_drawPatch }, 887 888 { "nDrawColor", "(III)V", (void*) android_view_GLES20Canvas_drawColor }, 889 { "nDrawRect", "(IFFFFI)V", (void*) android_view_GLES20Canvas_drawRect }, 890 { "nDrawRects", "(III)V", (void*) android_view_GLES20Canvas_drawRects }, 891 { "nDrawRoundRect", "(IFFFFFFI)V", (void*) android_view_GLES20Canvas_drawRoundRect }, 892 { "nDrawCircle", "(IFFFI)V", (void*) android_view_GLES20Canvas_drawCircle }, 893 { "nDrawOval", "(IFFFFI)V", (void*) android_view_GLES20Canvas_drawOval }, 894 { "nDrawArc", "(IFFFFFFZI)V", (void*) android_view_GLES20Canvas_drawArc }, 895 { "nDrawPoints", "(I[FIII)V", (void*) android_view_GLES20Canvas_drawPoints }, 896 897 { "nDrawPath", "(III)V", (void*) android_view_GLES20Canvas_drawPath }, 898 { "nDrawLines", "(I[FIII)V", (void*) android_view_GLES20Canvas_drawLines }, 899 900 { "nResetModifiers", "(II)V", (void*) android_view_GLES20Canvas_resetModifiers }, 901 { "nSetupShader", "(II)V", (void*) android_view_GLES20Canvas_setupShader }, 902 { "nSetupColorFilter", "(II)V", (void*) android_view_GLES20Canvas_setupColorFilter }, 903 { "nSetupShadow", "(IFFFI)V", (void*) android_view_GLES20Canvas_setupShadow }, 904 905 { "nSetupPaintFilter", "(III)V", (void*) android_view_GLES20Canvas_setupPaintFilter }, 906 { "nResetPaintFilter", "(I)V", (void*) android_view_GLES20Canvas_resetPaintFilter }, 907 908 { "nDrawText", "(I[CIIFFII)V", (void*) android_view_GLES20Canvas_drawTextArray }, 909 { "nDrawText", "(ILjava/lang/String;IIFFII)V", 910 (void*) android_view_GLES20Canvas_drawText }, 911 912 { "nDrawTextOnPath", "(I[CIIIFFII)V", (void*) android_view_GLES20Canvas_drawTextArrayOnPath }, 913 { "nDrawTextOnPath", "(ILjava/lang/String;IIIFFII)V", 914 (void*) android_view_GLES20Canvas_drawTextOnPath }, 915 916 { "nDrawTextRun", "(I[CIIIIFFII)V", (void*) android_view_GLES20Canvas_drawTextRunArray }, 917 { "nDrawTextRun", "(ILjava/lang/String;IIIIFFII)V", 918 (void*) android_view_GLES20Canvas_drawTextRun }, 919 920 { "nDrawPosText", "(I[CII[FI)V", (void*) android_view_GLES20Canvas_drawPosTextArray }, 921 { "nDrawPosText", "(ILjava/lang/String;II[FI)V", 922 (void*) android_view_GLES20Canvas_drawPosText }, 923 924 { "nGetClipBounds", "(ILandroid/graphics/Rect;)Z", 925 (void*) android_view_GLES20Canvas_getClipBounds }, 926 927 { "nGetDisplayList", "(II)I", (void*) android_view_GLES20Canvas_getDisplayList }, 928 { "nDestroyDisplayList", "(I)V", (void*) android_view_GLES20Canvas_destroyDisplayList }, 929 { "nGetDisplayListSize", "(I)I", (void*) android_view_GLES20Canvas_getDisplayListSize }, 930 { "nSetDisplayListName", "(ILjava/lang/String;)V", 931 (void*) android_view_GLES20Canvas_setDisplayListName }, 932 { "nDrawDisplayList", "(IILandroid/graphics/Rect;I)I", 933 (void*) android_view_GLES20Canvas_drawDisplayList }, 934 935 { "nCreateDisplayListRenderer", "()I", (void*) android_view_GLES20Canvas_createDisplayListRenderer }, 936 { "nResetDisplayListRenderer", "(I)V", (void*) android_view_GLES20Canvas_resetDisplayListRenderer }, 937 938 { "nOutputDisplayList", "(II)V", (void*) android_view_GLES20Canvas_outputDisplayList }, 939 { "nInterrupt", "(I)V", (void*) android_view_GLES20Canvas_interrupt }, 940 { "nResume", "(I)V", (void*) android_view_GLES20Canvas_resume }, 941 942 { "nCreateLayerRenderer", "(I)I", (void*) android_view_GLES20Canvas_createLayerRenderer }, 943 { "nCreateLayer", "(IIZ[I)I", (void*) android_view_GLES20Canvas_createLayer }, 944 { "nResizeLayer", "(III[I)V" , (void*) android_view_GLES20Canvas_resizeLayer }, 945 { "nCreateTextureLayer", "(Z[I)I", (void*) android_view_GLES20Canvas_createTextureLayer }, 946 { "nUpdateTextureLayer", "(IIIZLandroid/graphics/SurfaceTexture;)V", 947 (void*) android_view_GLES20Canvas_updateTextureLayer }, 948 { "nUpdateRenderLayer", "(IIIIIII)V", (void*) android_view_GLES20Canvas_updateRenderLayer }, 949 { "nDestroyLayer", "(I)V", (void*) android_view_GLES20Canvas_destroyLayer }, 950 { "nDestroyLayerDeferred", "(I)V", (void*) android_view_GLES20Canvas_destroyLayerDeferred }, 951 { "nFlushLayer", "(I)V", (void*) android_view_GLES20Canvas_flushLayer }, 952 { "nDrawLayer", "(IIFFI)V", (void*) android_view_GLES20Canvas_drawLayer }, 953 { "nCopyLayer", "(II)Z", (void*) android_view_GLES20Canvas_copyLayer }, 954 955 { "nSetTextureLayerTransform", "(II)V", (void*) android_view_GLES20Canvas_setTextureLayerTransform }, 956 957 { "nGetMaximumTextureWidth", "()I", (void*) android_view_GLES20Canvas_getMaxTextureWidth }, 958 { "nGetMaximumTextureHeight", "()I", (void*) android_view_GLES20Canvas_getMaxTextureHeight }, 959 960#endif 961}; 962 963static JNINativeMethod gActivityThreadMethods[] = { 964 { "dumpGraphicsInfo", "(Ljava/io/FileDescriptor;)V", 965 (void*) android_app_ActivityThread_dumpGraphics } 966}; 967 968 969#ifdef USE_OPENGL_RENDERER 970 #define FIND_CLASS(var, className) \ 971 var = env->FindClass(className); \ 972 LOG_FATAL_IF(! var, "Unable to find class " className); 973 974 #define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) \ 975 var = env->GetMethodID(clazz, methodName, methodDescriptor); \ 976 LOG_FATAL_IF(! var, "Unable to find method " methodName); 977#else 978 #define FIND_CLASS(var, className) 979 #define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) 980#endif 981 982int register_android_view_GLES20Canvas(JNIEnv* env) { 983 jclass clazz; 984 FIND_CLASS(clazz, "android/graphics/Rect"); 985 GET_METHOD_ID(gRectClassInfo.set, clazz, "set", "(IIII)V"); 986 987 return AndroidRuntime::registerNativeMethods(env, kClassPathName, gMethods, NELEM(gMethods)); 988} 989 990const char* const kActivityThreadPathName = "android/app/ActivityThread"; 991 992int register_android_app_ActivityThread(JNIEnv* env) { 993 return AndroidRuntime::registerNativeMethods(env, kActivityThreadPathName, 994 gActivityThreadMethods, NELEM(gActivityThreadMethods)); 995} 996 997}; 998