android_view_GLES20Canvas.cpp revision 36bef0bf30d6bae48cf3837df351075ca4fce654
1/* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#define LOG_TAG "OpenGLRenderer" 18 19#include "jni.h" 20#include "GraphicsJNI.h" 21#include <nativehelper/JNIHelp.h> 22 23#include "android_view_GraphicBuffer.h" 24 25#include <android_runtime/AndroidRuntime.h> 26#include <android_runtime/android_graphics_SurfaceTexture.h> 27 28#include <androidfw/ResourceTypes.h> 29 30#include <gui/GLConsumer.h> 31 32#include <private/hwui/DrawGlInfo.h> 33 34#include <cutils/properties.h> 35 36#include <SkBitmap.h> 37#include <SkCanvas.h> 38#include <SkMatrix.h> 39#include <SkPaint.h> 40#include <SkRegion.h> 41#include <SkScalerContext.h> 42#include <SkTemplates.h> 43#include <SkXfermode.h> 44 45#include <DisplayList.h> 46#include <DisplayListRenderer.h> 47#include <LayerRenderer.h> 48#include <OpenGLRenderer.h> 49#include <SkiaShader.h> 50#include <SkiaColorFilter.h> 51#include <Stencil.h> 52#include <Rect.h> 53 54#include <TextLayout.h> 55#include <TextLayoutCache.h> 56 57namespace android { 58 59using namespace uirenderer; 60 61/** 62 * Note: OpenGLRenderer JNI layer is generated and compiled only on supported 63 * devices. This means all the logic must be compiled only when the 64 * preprocessor variable USE_OPENGL_RENDERER is defined. 65 */ 66#ifdef USE_OPENGL_RENDERER 67 68// ---------------------------------------------------------------------------- 69// Defines 70// ---------------------------------------------------------------------------- 71 72// Debug 73#define DEBUG_RENDERER 0 74 75// Debug 76#if DEBUG_RENDERER 77 #define RENDERER_LOGD(...) ALOGD(__VA_ARGS__) 78#else 79 #define RENDERER_LOGD(...) 80#endif 81 82#define MODIFIER_SHADOW 1 83#define MODIFIER_SHADER 2 84#define MODIFIER_COLOR_FILTER 4 85 86// ---------------------------------------------------------------------------- 87 88static struct { 89 jmethodID set; 90} gRectClassInfo; 91 92// ---------------------------------------------------------------------------- 93// Caching 94// ---------------------------------------------------------------------------- 95 96static void android_view_GLES20Canvas_flushCaches(JNIEnv* env, jobject clazz, 97 jint mode) { 98 if (Caches::hasInstance()) { 99 Caches::getInstance().flush(static_cast<Caches::FlushMode>(mode)); 100 } 101} 102 103static jboolean android_view_GLES20Canvas_initCaches(JNIEnv* env, jobject clazz) { 104 if (Caches::hasInstance()) { 105 return Caches::getInstance().init() ? JNI_TRUE : JNI_FALSE; 106 } 107 return JNI_FALSE; 108} 109 110static void android_view_GLES20Canvas_terminateCaches(JNIEnv* env, jobject clazz) { 111 if (Caches::hasInstance()) { 112 Caches::getInstance().terminate(); 113 } 114} 115 116// ---------------------------------------------------------------------------- 117// Caching 118// ---------------------------------------------------------------------------- 119 120static void android_view_GLES20Canvas_initAtlas(JNIEnv* env, jobject clazz, 121 jobject graphicBuffer, jintArray atlasMapArray, jint count) { 122 123 sp<GraphicBuffer> buffer = graphicBufferForJavaObject(env, graphicBuffer); 124 jint* atlasMap = env->GetIntArrayElements(atlasMapArray, NULL); 125 126 Caches::getInstance().assetAtlas.init(buffer, atlasMap, count); 127 128 env->ReleaseIntArrayElements(atlasMapArray, atlasMap, 0); 129} 130 131// ---------------------------------------------------------------------------- 132// Constructors 133// ---------------------------------------------------------------------------- 134 135static jlong android_view_GLES20Canvas_createRenderer(JNIEnv* env, jobject clazz) { 136 RENDERER_LOGD("Create OpenGLRenderer"); 137 OpenGLRenderer* renderer = new OpenGLRenderer(); 138 renderer->initProperties(); 139 return reinterpret_cast<jlong>(renderer); 140} 141 142static void android_view_GLES20Canvas_destroyRenderer(JNIEnv* env, jobject clazz, 143 jlong rendererPtr) { 144 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 145 RENDERER_LOGD("Destroy OpenGLRenderer"); 146 delete renderer; 147} 148 149// ---------------------------------------------------------------------------- 150// Setup 151// ---------------------------------------------------------------------------- 152 153static void android_view_GLES20Canvas_setViewport(JNIEnv* env, jobject clazz, 154 jlong rendererPtr, jint width, jint height) { 155 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 156 renderer->setViewport(width, height); 157} 158 159static int android_view_GLES20Canvas_prepare(JNIEnv* env, jobject clazz, 160 jlong rendererPtr, jboolean opaque) { 161 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 162 return renderer->prepare(opaque); 163} 164 165static int android_view_GLES20Canvas_prepareDirty(JNIEnv* env, jobject clazz, 166 jlong rendererPtr, jint left, jint top, jint right, jint bottom, 167 jboolean opaque) { 168 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 169 return renderer->prepareDirty(left, top, right, bottom, opaque); 170} 171 172static void android_view_GLES20Canvas_finish(JNIEnv* env, jobject clazz, 173 jlong rendererPtr) { 174 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 175 renderer->finish(); 176} 177 178static jint android_view_GLES20Canvas_getStencilSize(JNIEnv* env, jobject clazz) { 179 return Stencil::getStencilSize(); 180} 181 182static void android_view_GLES20Canvas_setProperty(JNIEnv* env, 183 jobject clazz, jstring name, jstring value) { 184 if (!Caches::hasInstance()) { 185 ALOGW("can't set property, no Caches instance"); 186 return; 187 } 188 189 if (name == NULL || value == NULL) { 190 ALOGW("can't set prop, null passed"); 191 } 192 193 const char* nameCharArray = env->GetStringUTFChars(name, NULL); 194 const char* valueCharArray = env->GetStringUTFChars(value, NULL); 195 Caches::getInstance().setTempProperty(nameCharArray, valueCharArray); 196 env->ReleaseStringUTFChars(name, nameCharArray); 197 env->ReleaseStringUTFChars(name, valueCharArray); 198} 199 200static void android_view_GLES20Canvas_setCountOverdrawEnabled(JNIEnv* env, jobject clazz, 201 jlong rendererPtr, jboolean enabled) { 202 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 203 renderer->setCountOverdrawEnabled(enabled); 204} 205 206static jfloat android_view_GLES20Canvas_getOverdraw(JNIEnv* env, jobject clazz, 207 jlong rendererPtr) { 208 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 209 return renderer->getOverdraw(); 210} 211 212// ---------------------------------------------------------------------------- 213// Functor 214// ---------------------------------------------------------------------------- 215 216static jint android_view_GLES20Canvas_callDrawGLFunction(JNIEnv* env, jobject clazz, 217 jlong rendererPtr, jlong functorPtr) { 218 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 219 Functor* functor = reinterpret_cast<Functor*>(functorPtr); 220 android::uirenderer::Rect dirty; 221 return renderer->callDrawGLFunction(functor, dirty); 222} 223 224static void android_view_GLES20Canvas_detachFunctor(JNIEnv* env, 225 jobject clazz, jlong rendererPtr, jint functorPtr) { 226 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 227 Functor* functor = reinterpret_cast<Functor*>(functorPtr); 228 renderer->detachFunctor(functor); 229} 230 231static void android_view_GLES20Canvas_attachFunctor(JNIEnv* env, 232 jobject clazz, jlong rendererPtr, jlong functorPtr) { 233 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 234 Functor* functor = reinterpret_cast<Functor*>(functorPtr); 235 renderer->attachFunctor(functor); 236} 237 238static jint android_view_GLES20Canvas_invokeFunctors(JNIEnv* env, 239 jobject clazz, jlong rendererPtr, jobject dirty) { 240 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 241 android::uirenderer::Rect bounds; 242 status_t status = renderer->invokeFunctors(bounds); 243 if (status != DrawGlInfo::kStatusDone && dirty != NULL) { 244 env->CallVoidMethod(dirty, gRectClassInfo.set, 245 int(bounds.left), int(bounds.top), int(bounds.right), int(bounds.bottom)); 246 } 247 return status; 248} 249 250// ---------------------------------------------------------------------------- 251// Misc 252// ---------------------------------------------------------------------------- 253 254static jint android_view_GLES20Canvas_getMaxTextureWidth(JNIEnv* env, jobject clazz) { 255 return Caches::getInstance().maxTextureSize; 256} 257 258static jint android_view_GLES20Canvas_getMaxTextureHeight(JNIEnv* env, jobject clazz) { 259 return Caches::getInstance().maxTextureSize; 260} 261 262// ---------------------------------------------------------------------------- 263// State 264// ---------------------------------------------------------------------------- 265 266static jint android_view_GLES20Canvas_save(JNIEnv* env, jobject clazz, jlong rendererPtr, 267 jint flags) { 268 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 269 return renderer->save(flags); 270} 271 272static jint android_view_GLES20Canvas_getSaveCount(JNIEnv* env, jobject clazz, 273 jlong rendererPtr) { 274 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 275 return renderer->getSaveCount(); 276} 277 278static void android_view_GLES20Canvas_restore(JNIEnv* env, jobject clazz, 279 jlong rendererPtr) { 280 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 281 renderer->restore(); 282} 283 284static void android_view_GLES20Canvas_restoreToCount(JNIEnv* env, jobject clazz, 285 jlong rendererPtr, jint saveCount) { 286 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 287 renderer->restoreToCount(saveCount); 288} 289 290// ---------------------------------------------------------------------------- 291// Layers 292// ---------------------------------------------------------------------------- 293 294static jint android_view_GLES20Canvas_saveLayer(JNIEnv* env, jobject clazz, 295 jlong rendererPtr, jfloat left, jfloat top, jfloat right, jfloat bottom, 296 jlong paintPtr, jint saveFlags) { 297 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 298 SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr); 299 return renderer->saveLayer(left, top, right, bottom, paint, saveFlags); 300} 301 302static jint android_view_GLES20Canvas_saveLayerClip(JNIEnv* env, jobject clazz, 303 jlong rendererPtr, jlong paintPtr, jint saveFlags) { 304 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 305 SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr); 306 const android::uirenderer::Rect& bounds(renderer->getClipBounds()); 307 return renderer->saveLayer(bounds.left, bounds.top, bounds.right, bounds.bottom, 308 paint, saveFlags); 309} 310 311static jint android_view_GLES20Canvas_saveLayerAlpha(JNIEnv* env, jobject clazz, 312 jlong rendererPtr, jfloat left, jfloat top, jfloat right, jfloat bottom, 313 jint alpha, jint saveFlags) { 314 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 315 return renderer->saveLayerAlpha(left, top, right, bottom, alpha, saveFlags); 316} 317 318static jint android_view_GLES20Canvas_saveLayerAlphaClip(JNIEnv* env, jobject clazz, 319 jlong rendererPtr, jint alpha, jint saveFlags) { 320 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 321 const android::uirenderer::Rect& bounds(renderer->getClipBounds()); 322 return renderer->saveLayerAlpha(bounds.left, bounds.top, bounds.right, bounds.bottom, 323 alpha, saveFlags); 324} 325 326// ---------------------------------------------------------------------------- 327// Clipping 328// ---------------------------------------------------------------------------- 329 330static jboolean android_view_GLES20Canvas_quickReject(JNIEnv* env, jobject clazz, 331 jlong rendererPtr, jfloat left, jfloat top, jfloat right, jfloat bottom) { 332 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 333 const bool result = renderer->quickRejectConservative(left, top, right, bottom); 334 return result ? JNI_TRUE : JNI_FALSE; 335} 336 337static jboolean android_view_GLES20Canvas_clipRectF(JNIEnv* env, jobject clazz, 338 jlong rendererPtr, jfloat left, jfloat top, jfloat right, jfloat bottom, 339 jint op) { 340 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 341 const bool result = renderer->clipRect(left, top, right, bottom, 342 static_cast<SkRegion::Op>(op)); 343 return result ? JNI_TRUE : JNI_FALSE; 344} 345 346static jboolean android_view_GLES20Canvas_clipRect(JNIEnv* env, jobject clazz, 347 jlong rendererPtr, jint left, jint top, jint right, jint bottom, 348 jint op) { 349 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 350 const bool result = renderer->clipRect(float(left), float(top), float(right), 351 float(bottom), 352 static_cast<SkRegion::Op>(op)); 353 return result ? JNI_TRUE : JNI_FALSE; 354} 355 356static jboolean android_view_GLES20Canvas_clipPath(JNIEnv* env, jobject clazz, 357 jlong rendererPtr, jlong pathPtr, jint op) { 358 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 359 SkPath* path = reinterpret_cast<SkPath*>(pathPtr); 360 const bool result = renderer->clipPath(path, static_cast<SkRegion::Op>(op)); 361 return result ? JNI_TRUE : JNI_FALSE; 362} 363 364static jboolean android_view_GLES20Canvas_clipRegion(JNIEnv* env, jobject clazz, 365 jlong rendererPtr, jlong regionPtr, jint op) { 366 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 367 SkRegion* region = reinterpret_cast<SkRegion*>(regionPtr); 368 const bool result = renderer->clipRegion(region, static_cast<SkRegion::Op>(op)); 369 return result ? JNI_TRUE : JNI_FALSE; 370} 371 372static jboolean android_view_GLES20Canvas_getClipBounds(JNIEnv* env, jobject clazz, 373 jlong rendererPtr, jobject rect) { 374 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 375 const android::uirenderer::Rect& bounds(renderer->getClipBounds()); 376 377 env->CallVoidMethod(rect, gRectClassInfo.set, 378 int(bounds.left), int(bounds.top), int(bounds.right), int(bounds.bottom)); 379 380 return !bounds.isEmpty() ? JNI_TRUE : JNI_FALSE; 381} 382 383// ---------------------------------------------------------------------------- 384// Transforms 385// ---------------------------------------------------------------------------- 386 387static void android_view_GLES20Canvas_translate(JNIEnv* env, jobject clazz, 388 jlong rendererPtr, jfloat dx, jfloat dy) { 389 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 390 renderer->translate(dx, dy); 391} 392 393static void android_view_GLES20Canvas_rotate(JNIEnv* env, jobject clazz, 394 jlong rendererPtr, jfloat degrees) { 395 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 396 renderer->rotate(degrees); 397} 398 399static void android_view_GLES20Canvas_scale(JNIEnv* env, jobject clazz, 400 jlong rendererPtr, jfloat sx, jfloat sy) { 401 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 402 renderer->scale(sx, sy); 403} 404 405static void android_view_GLES20Canvas_skew(JNIEnv* env, jobject clazz, 406 jlong rendererPtr, jfloat sx, jfloat sy) { 407 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 408 renderer->skew(sx, sy); 409} 410 411static void android_view_GLES20Canvas_setMatrix(JNIEnv* env, jobject clazz, 412 jlong rendererPtr, jlong matrixPtr) { 413 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 414 SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixPtr); 415 renderer->setMatrix(matrix); 416} 417 418static void android_view_GLES20Canvas_getMatrix(JNIEnv* env, jobject clazz, 419 jlong rendererPtr, jlong matrixPtr) { 420 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 421 SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixPtr); 422 renderer->getMatrix(matrix); 423} 424 425static void android_view_GLES20Canvas_concatMatrix(JNIEnv* env, jobject clazz, 426 jlong rendererPtr, jlong matrixPtr) { 427 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 428 SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixPtr); 429 renderer->concatMatrix(matrix); 430} 431 432// ---------------------------------------------------------------------------- 433// Drawing 434// ---------------------------------------------------------------------------- 435 436static void android_view_GLES20Canvas_drawBitmap(JNIEnv* env, jobject clazz, 437 jlong rendererPtr, jlong bitmapPtr, jbyteArray buffer, 438 jfloat left, jfloat top, jlong paintPtr) { 439 SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapPtr); 440 // This object allows the renderer to allocate a global JNI ref to the buffer object. 441 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 442 443 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 444 SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr); 445 renderer->drawBitmap(bitmap, left, top, paint); 446} 447 448static void android_view_GLES20Canvas_drawBitmapRect(JNIEnv* env, jobject clazz, 449 jlong rendererPtr, jlong bitmapPtr, jbyteArray buffer, 450 float srcLeft, float srcTop, float srcRight, float srcBottom, 451 float dstLeft, float dstTop, float dstRight, float dstBottom, jlong paintPtr) { 452 SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapPtr); 453 // This object allows the renderer to allocate a global JNI ref to the buffer object. 454 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 455 456 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 457 SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr); 458 renderer->drawBitmap(bitmap, srcLeft, srcTop, srcRight, srcBottom, 459 dstLeft, dstTop, dstRight, dstBottom, paint); 460} 461 462static void android_view_GLES20Canvas_drawBitmapMatrix(JNIEnv* env, jobject clazz, 463 jlong rendererPtr, jlong bitmapPtr, jbyteArray buffer, 464 jlong matrixPtr, jlong paintPtr) { 465 SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapPtr); 466 // This object allows the renderer to allocate a global JNI ref to the buffer object. 467 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 468 469 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 470 SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixPtr); 471 SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr); 472 renderer->drawBitmap(bitmap, matrix, paint); 473} 474 475static void android_view_GLES20Canvas_drawBitmapData(JNIEnv* env, jobject clazz, 476 jlong rendererPtr, jintArray colors, jint offset, jint stride, 477 jfloat left, jfloat top, jint width, jint height, jboolean hasAlpha, jlong paintPtr) { 478 SkBitmap* bitmap = new SkBitmap; 479 bitmap->setConfig(hasAlpha ? SkBitmap::kARGB_8888_Config : SkBitmap::kRGB_565_Config, 480 width, height); 481 482 if (!bitmap->allocPixels()) { 483 delete bitmap; 484 return; 485 } 486 487 if (!GraphicsJNI::SetPixels(env, colors, offset, stride, 0, 0, width, height, *bitmap, true)) { 488 delete bitmap; 489 return; 490 } 491 492 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 493 SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr); 494 renderer->drawBitmapData(bitmap, left, top, paint); 495 496 // If the renderer is a deferred renderer it will own the bitmap 497 if (!renderer->isRecording()) { 498 delete bitmap; 499 } 500} 501 502static void android_view_GLES20Canvas_drawBitmapMesh(JNIEnv* env, jobject clazz, 503 jlong rendererPtr, jlong bitmapPtr, jbyteArray buffer, 504 jint meshWidth, jint meshHeight, jfloatArray vertices, jint offset, jintArray colors, 505 jint colorOffset, jlong paintPtr) { 506 SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapPtr); 507 // This object allows the renderer to allocate a global JNI ref to the buffer object. 508 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 509 510 jfloat* verticesArray = vertices ? env->GetFloatArrayElements(vertices, NULL) + offset : NULL; 511 jint* colorsArray = colors ? env->GetIntArrayElements(colors, NULL) + colorOffset : NULL; 512 513 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 514 SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr); 515 renderer->drawBitmapMesh(bitmap, meshWidth, meshHeight, verticesArray, colorsArray, paint); 516 517 if (vertices) env->ReleaseFloatArrayElements(vertices, verticesArray, 0); 518 if (colors) env->ReleaseIntArrayElements(colors, colorsArray, 0); 519} 520 521static void android_view_GLES20Canvas_drawPatch(JNIEnv* env, jobject clazz, 522 jlong rendererPtr, jlong bitmapPtr, jbyteArray buffer, jlong patchPtr, 523 float left, float top, float right, float bottom, jlong paintPtr) { 524 SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapPtr); 525 // This object allows the renderer to allocate a global JNI ref to the buffer object. 526 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 527 528 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 529 Res_png_9patch* patch = reinterpret_cast<Res_png_9patch*>(patchPtr); 530 SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr); 531 renderer->drawPatch(bitmap, patch, left, top, right, bottom, paint); 532} 533 534static void android_view_GLES20Canvas_drawColor(JNIEnv* env, jobject clazz, 535 jlong rendererPtr, jint color, jint mode) { 536 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 537 renderer->drawColor(color, static_cast<SkXfermode::Mode>(mode)); 538} 539 540static void android_view_GLES20Canvas_drawRect(JNIEnv* env, jobject clazz, 541 jlong rendererPtr, jfloat left, jfloat top, jfloat right, jfloat bottom, 542 jlong paintPtr) { 543 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 544 SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr); 545 renderer->drawRect(left, top, right, bottom, paint); 546} 547 548static void android_view_GLES20Canvas_drawRoundRect(JNIEnv* env, jobject clazz, 549 jlong rendererPtr, jfloat left, jfloat top, jfloat right, jfloat bottom, 550 jfloat rx, jfloat ry, jlong paintPtr) { 551 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 552 SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr); 553 renderer->drawRoundRect(left, top, right, bottom, rx, ry, paint); 554} 555 556static void android_view_GLES20Canvas_drawCircle(JNIEnv* env, jobject clazz, 557 jlong rendererPtr, jfloat x, jfloat y, jfloat radius, jlong paintPtr) { 558 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 559 SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr); 560 renderer->drawCircle(x, y, radius, paint); 561} 562 563static void android_view_GLES20Canvas_drawOval(JNIEnv* env, jobject clazz, 564 jlong rendererPtr, jfloat left, jfloat top, jfloat right, jfloat bottom, 565 jlong paintPtr) { 566 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 567 SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr); 568 renderer->drawOval(left, top, right, bottom, paint); 569} 570 571static void android_view_GLES20Canvas_drawArc(JNIEnv* env, jobject clazz, 572 jlong rendererPtr, jfloat left, jfloat top, jfloat right, jfloat bottom, 573 jfloat startAngle, jfloat sweepAngle, jboolean useCenter, jlong paintPtr) { 574 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 575 SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr); 576 renderer->drawArc(left, top, right, bottom, startAngle, sweepAngle, useCenter, paint); 577} 578 579static void android_view_GLES20Canvas_drawRegionAsRects(JNIEnv* env, jobject clazz, 580 jlong rendererPtr, jlong regionPtr, jlong paintPtr) { 581 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 582 SkRegion* region = reinterpret_cast<SkRegion*>(regionPtr); 583 SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr); 584 if (paint->getStyle() != SkPaint::kFill_Style || 585 (paint->isAntiAlias() && !renderer->isCurrentTransformSimple())) { 586 SkRegion::Iterator it(*region); 587 while (!it.done()) { 588 const SkIRect& r = it.rect(); 589 renderer->drawRect(r.fLeft, r.fTop, r.fRight, r.fBottom, paint); 590 it.next(); 591 } 592 } else { 593 int count = 0; 594 Vector<float> rects; 595 SkRegion::Iterator it(*region); 596 while (!it.done()) { 597 const SkIRect& r = it.rect(); 598 rects.push(r.fLeft); 599 rects.push(r.fTop); 600 rects.push(r.fRight); 601 rects.push(r.fBottom); 602 count += 4; 603 it.next(); 604 } 605 renderer->drawRects(rects.array(), count, paint); 606 } 607} 608 609static void android_view_GLES20Canvas_drawRects(JNIEnv* env, jobject clazz, 610 jlong rendererPtr, jfloatArray rects, jint count, jlong paintPtr) { 611 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 612 jfloat* storage = env->GetFloatArrayElements(rects, NULL); 613 SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr); 614 renderer->drawRects(storage, count, paint); 615 env->ReleaseFloatArrayElements(rects, storage, 0); 616} 617 618static void android_view_GLES20Canvas_drawPoints(JNIEnv* env, jobject clazz, 619 jlong rendererPtr, jfloatArray points, jint offset, jint count, jlong paintPtr) { 620 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 621 jfloat* storage = env->GetFloatArrayElements(points, NULL); 622 SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr); 623 renderer->drawPoints(storage + offset, count, paint); 624 env->ReleaseFloatArrayElements(points, storage, 0); 625} 626 627static void android_view_GLES20Canvas_drawPath(JNIEnv* env, jobject clazz, 628 jlong rendererPtr, jlong pathPtr, jlong paintPtr) { 629 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 630 SkPath* path = reinterpret_cast<SkPath*>(pathPtr); 631 SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr); 632 renderer->drawPath(path, paint); 633} 634 635static void android_view_GLES20Canvas_drawLines(JNIEnv* env, jobject clazz, 636 jlong rendererPtr, jfloatArray points, jint offset, jint count, jlong paintPtr) { 637 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 638 jfloat* storage = env->GetFloatArrayElements(points, NULL); 639 SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr); 640 renderer->drawLines(storage + offset, count, paint); 641 env->ReleaseFloatArrayElements(points, storage, 0); 642} 643 644// ---------------------------------------------------------------------------- 645// Shaders and color filters 646// ---------------------------------------------------------------------------- 647 648static void android_view_GLES20Canvas_resetModifiers(JNIEnv* env, jobject clazz, 649 jlong rendererPtr, jint modifiers) { 650 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 651 if (modifiers & MODIFIER_SHADOW) renderer->resetShadow(); 652 if (modifiers & MODIFIER_SHADER) renderer->resetShader(); 653 if (modifiers & MODIFIER_COLOR_FILTER) renderer->resetColorFilter(); 654} 655 656static void android_view_GLES20Canvas_setupShader(JNIEnv* env, jobject clazz, 657 jlong rendererPtr, jlong shaderPtr) { 658 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 659 SkiaShader* shader = reinterpret_cast<SkiaShader*>(shaderPtr); 660 renderer->setupShader(shader); 661} 662 663static void android_view_GLES20Canvas_setupColorFilter(JNIEnv* env, jobject clazz, 664 jlong rendererPtr, jlong colorFilterPtr) { 665 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 666 SkiaColorFilter* colorFilter = reinterpret_cast<SkiaColorFilter*>(colorFilterPtr); 667 renderer->setupColorFilter(colorFilter); 668} 669 670static void android_view_GLES20Canvas_setupShadow(JNIEnv* env, jobject clazz, 671 jlong rendererPtr, jfloat radius, jfloat dx, jfloat dy, jint color) { 672 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 673 renderer->setupShadow(radius, dx, dy, color); 674} 675 676// ---------------------------------------------------------------------------- 677// Draw filters 678// ---------------------------------------------------------------------------- 679 680static void android_view_GLES20Canvas_setupPaintFilter(JNIEnv* env, jobject clazz, 681 jlong rendererPtr, jint clearBits, jint setBits) { 682 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 683 renderer->setupPaintFilter(clearBits, setBits); 684} 685 686static void android_view_GLES20Canvas_resetPaintFilter(JNIEnv* env, jobject clazz, 687 jlong rendererPtr) { 688 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 689 renderer->resetPaintFilter(); 690} 691 692// ---------------------------------------------------------------------------- 693// Text 694// ---------------------------------------------------------------------------- 695 696static float xOffsetForTextAlign(SkPaint* paint, float totalAdvance) { 697 switch (paint->getTextAlign()) { 698 case SkPaint::kCenter_Align: 699 return -totalAdvance / 2.0f; 700 break; 701 case SkPaint::kRight_Align: 702 return -totalAdvance; 703 break; 704 default: 705 break; 706 } 707 return 0; 708} 709 710static void renderText(OpenGLRenderer* renderer, const jchar* text, int count, 711 jfloat x, jfloat y, int flags, SkPaint* paint) { 712 sp<TextLayoutValue> value = TextLayoutEngine::getInstance().getValue(paint, 713 text, 0, count, count, flags); 714 if (value == NULL) { 715 return; 716 } 717 const jchar* glyphs = value->getGlyphs(); 718 size_t glyphsCount = value->getGlyphsCount(); 719 jfloat totalAdvance = value->getTotalAdvance(); 720 x += xOffsetForTextAlign(paint, totalAdvance); 721 const float* positions = value->getPos(); 722 int bytesCount = glyphsCount * sizeof(jchar); 723 const SkRect& r = value->getBounds(); 724 android::uirenderer::Rect bounds(r.fLeft, r.fTop, r.fRight, r.fBottom); 725 bounds.translate(x, y); 726 727 renderer->drawText((const char*) glyphs, bytesCount, glyphsCount, 728 x, y, positions, paint, totalAdvance, bounds); 729} 730 731static void renderTextOnPath(OpenGLRenderer* renderer, const jchar* text, int count, 732 SkPath* path, jfloat hOffset, jfloat vOffset, int flags, SkPaint* paint) { 733 sp<TextLayoutValue> value = TextLayoutEngine::getInstance().getValue(paint, 734 text, 0, count, count, flags); 735 if (value == NULL) { 736 return; 737 } 738 const jchar* glyphs = value->getGlyphs(); 739 size_t glyphsCount = value->getGlyphsCount(); 740 int bytesCount = glyphsCount * sizeof(jchar); 741 renderer->drawTextOnPath((const char*) glyphs, bytesCount, glyphsCount, path, 742 hOffset, vOffset, paint); 743} 744 745static void renderTextRun(OpenGLRenderer* renderer, const jchar* text, 746 jint start, jint count, jint contextCount, jfloat x, jfloat y, 747 int flags, SkPaint* paint) { 748 sp<TextLayoutValue> value = TextLayoutEngine::getInstance().getValue(paint, 749 text, start, count, contextCount, flags); 750 if (value == NULL) { 751 return; 752 } 753 const jchar* glyphs = value->getGlyphs(); 754 size_t glyphsCount = value->getGlyphsCount(); 755 jfloat totalAdvance = value->getTotalAdvance(); 756 x += xOffsetForTextAlign(paint, totalAdvance); 757 const float* positions = value->getPos(); 758 int bytesCount = glyphsCount * sizeof(jchar); 759 const SkRect& r = value->getBounds(); 760 android::uirenderer::Rect bounds(r.fLeft, r.fTop, r.fRight, r.fBottom); 761 bounds.translate(x, y); 762 763 renderer->drawText((const char*) glyphs, bytesCount, glyphsCount, 764 x, y, positions, paint, totalAdvance, bounds); 765} 766 767static void android_view_GLES20Canvas_drawTextArray(JNIEnv* env, jobject clazz, 768 jlong rendererPtr, jcharArray text, jint index, jint count, 769 jfloat x, jfloat y, jint flags, jlong paintPtr) { 770 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 771 jchar* textArray = env->GetCharArrayElements(text, NULL); 772 SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr); 773 774 renderText(renderer, textArray + index, count, x, y, flags, paint); 775 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 776} 777 778static void android_view_GLES20Canvas_drawText(JNIEnv* env, jobject clazz, 779 jlong rendererPtr, jstring text, jint start, jint end, 780 jfloat x, jfloat y, jint flags, jlong paintPtr) { 781 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 782 const jchar* textArray = env->GetStringChars(text, NULL); 783 SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr); 784 785 renderText(renderer, textArray + start, end - start, x, y, flags, paint); 786 env->ReleaseStringChars(text, textArray); 787} 788 789static void android_view_GLES20Canvas_drawTextArrayOnPath(JNIEnv* env, jobject clazz, 790 jlong rendererPtr, jcharArray text, jint index, jint count, 791 jlong pathPtr, jfloat hOffset, jfloat vOffset, jint flags, jlong paintPtr) { 792 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 793 jchar* textArray = env->GetCharArrayElements(text, NULL); 794 SkPath* path = reinterpret_cast<SkPath*>(pathPtr); 795 SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr); 796 797 renderTextOnPath(renderer, textArray + index, count, path, 798 hOffset, vOffset, flags, paint); 799 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 800} 801 802static void android_view_GLES20Canvas_drawTextOnPath(JNIEnv* env, jobject clazz, 803 jlong rendererPtr, jstring text, jint start, jint end, 804 jlong pathPtr, jfloat hOffset, jfloat vOffset, jint flags, jlong paintPtr) { 805 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 806 const jchar* textArray = env->GetStringChars(text, NULL); 807 SkPath* path = reinterpret_cast<SkPath*>(pathPtr); 808 SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr); 809 810 renderTextOnPath(renderer, textArray + start, end - start, path, 811 hOffset, vOffset, flags, paint); 812 env->ReleaseStringChars(text, textArray); 813} 814 815static void android_view_GLES20Canvas_drawTextRunArray(JNIEnv* env, jobject clazz, 816 jlong rendererPtr, jcharArray text, jint index, jint count, 817 jint contextIndex, jint contextCount, jfloat x, jfloat y, jint dirFlags, 818 jlong paintPtr) { 819 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 820 jchar* textArray = env->GetCharArrayElements(text, NULL); 821 SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr); 822 823 renderTextRun(renderer, textArray + contextIndex, index - contextIndex, 824 count, contextCount, x, y, dirFlags, paint); 825 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 826 } 827 828static void android_view_GLES20Canvas_drawTextRun(JNIEnv* env, jobject clazz, 829 jlong rendererPtr, jstring text, jint start, jint end, 830 jint contextStart, int contextEnd, jfloat x, jfloat y, jint dirFlags, 831 jlong paintPtr) { 832 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 833 const jchar* textArray = env->GetStringChars(text, NULL); 834 jint count = end - start; 835 jint contextCount = contextEnd - contextStart; 836 SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr); 837 838 renderTextRun(renderer, textArray + contextStart, start - contextStart, 839 count, contextCount, x, y, dirFlags, paint); 840 env->ReleaseStringChars(text, textArray); 841} 842 843static void renderPosText(OpenGLRenderer* renderer, const jchar* text, int count, 844 const jfloat* positions, jint dirFlags, SkPaint* paint) { 845 sp<TextLayoutValue> value = TextLayoutEngine::getInstance().getValue(paint, 846 text, 0, count, count, dirFlags); 847 if (value == NULL) { 848 return; 849 } 850 const jchar* glyphs = value->getGlyphs(); 851 size_t glyphsCount = value->getGlyphsCount(); 852 if (count < int(glyphsCount)) glyphsCount = count; 853 int bytesCount = glyphsCount * sizeof(jchar); 854 855 renderer->drawPosText((const char*) glyphs, bytesCount, glyphsCount, positions, paint); 856} 857 858static void android_view_GLES20Canvas_drawPosTextArray(JNIEnv* env, jobject clazz, 859 jlong rendererPtr, jcharArray text, jint index, jint count, 860 jfloatArray pos, jlong paintPtr) { 861 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 862 jchar* textArray = env->GetCharArrayElements(text, NULL); 863 jfloat* positions = env->GetFloatArrayElements(pos, NULL); 864 SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr); 865 866 renderPosText(renderer, textArray + index, count, positions, kBidi_LTR, paint); 867 868 env->ReleaseFloatArrayElements(pos, positions, JNI_ABORT); 869 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 870} 871 872static void android_view_GLES20Canvas_drawPosText(JNIEnv* env, jobject clazz, 873 jlong rendererPtr, jstring text, jint start, jint end, 874 jfloatArray pos, jlong paintPtr) { 875 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 876 const jchar* textArray = env->GetStringChars(text, NULL); 877 jfloat* positions = env->GetFloatArrayElements(pos, NULL); 878 SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr); 879 880 renderPosText(renderer, textArray + start, end - start, positions, kBidi_LTR, paint); 881 882 env->ReleaseFloatArrayElements(pos, positions, JNI_ABORT); 883 env->ReleaseStringChars(text, textArray); 884} 885 886// ---------------------------------------------------------------------------- 887// Display lists 888// ---------------------------------------------------------------------------- 889 890static jint android_view_GLES20Canvas_getDisplayList(JNIEnv* env, 891 jobject clazz, jlong rendererPtr, jlong displayListPtr) { 892 DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr); 893 DisplayList* displayList = reinterpret_cast<DisplayList*>(displayListPtr); 894 return reinterpret_cast<jint>(renderer->getDisplayList(displayList)); 895} 896 897static jint android_view_GLES20Canvas_createDisplayListRenderer(JNIEnv* env, 898 jobject clazz) { 899 return reinterpret_cast<jint>(new DisplayListRenderer); 900} 901 902static void android_view_GLES20Canvas_resetDisplayListRenderer(JNIEnv* env, 903 jobject clazz, jlong rendererPtr) { 904 DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr); 905 renderer->reset(); 906} 907 908static jint android_view_GLES20Canvas_drawDisplayList(JNIEnv* env, 909 jobject clazz, jlong rendererPtr, jlong displayListPtr, 910 jobject dirty, jint flags) { 911 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 912 DisplayList* displayList = reinterpret_cast<DisplayList*>(displayListPtr); 913 android::uirenderer::Rect bounds; 914 status_t status = renderer->drawDisplayList(displayList, bounds, flags); 915 if (status != DrawGlInfo::kStatusDone && dirty != NULL) { 916 env->CallVoidMethod(dirty, gRectClassInfo.set, 917 int(bounds.left), int(bounds.top), int(bounds.right), int(bounds.bottom)); 918 } 919 return status; 920} 921 922// ---------------------------------------------------------------------------- 923// Layers 924// ---------------------------------------------------------------------------- 925 926static void android_view_GLES20Canvas_interrupt(JNIEnv* env, jobject clazz, 927 jlong rendererPtr) { 928 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 929 renderer->interrupt(); 930} 931 932static void android_view_GLES20Canvas_resume(JNIEnv* env, jobject clazz, 933 jlong rendererPtr) { 934 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 935 renderer->resume(); 936} 937 938static jint android_view_GLES20Canvas_createLayerRenderer(JNIEnv* env, 939 jobject clazz, jlong layerPtr) { 940 Layer* layer = reinterpret_cast<Layer*>(layerPtr); 941 if (layer) { 942 OpenGLRenderer* renderer = new LayerRenderer(layer); 943 renderer->initProperties(); 944 return reinterpret_cast<jint>(renderer); 945 } 946 return NULL; 947} 948 949static jlong android_view_GLES20Canvas_createTextureLayer(JNIEnv* env, jobject clazz, 950 jboolean isOpaque, jintArray layerInfo) { 951 Layer* layer = LayerRenderer::createTextureLayer(isOpaque); 952 953 if (layer) { 954 jint* storage = env->GetIntArrayElements(layerInfo, NULL); 955 storage[0] = layer->getTexture(); 956 env->ReleaseIntArrayElements(layerInfo, storage, 0); 957 } 958 959 return reinterpret_cast<jlong>(layer); 960} 961 962static jlong android_view_GLES20Canvas_createLayer(JNIEnv* env, jobject clazz, 963 jint width, jint height, jboolean isOpaque, jintArray layerInfo) { 964 Layer* layer = LayerRenderer::createLayer(width, height, isOpaque); 965 966 if (layer) { 967 jint* storage = env->GetIntArrayElements(layerInfo, NULL); 968 storage[0] = layer->getWidth(); 969 storage[1] = layer->getHeight(); 970 env->ReleaseIntArrayElements(layerInfo, storage, 0); 971 } 972 973 return reinterpret_cast<jlong>(layer); 974} 975 976static jboolean android_view_GLES20Canvas_resizeLayer(JNIEnv* env, jobject clazz, 977 jlong layerPtr, jint width, jint height, jintArray layerInfo) { 978 Layer* layer = reinterpret_cast<Layer*>(layerPtr); 979 if (LayerRenderer::resizeLayer(layer, width, height)) { 980 jint* storage = env->GetIntArrayElements(layerInfo, NULL); 981 storage[0] = layer->getWidth(); 982 storage[1] = layer->getHeight(); 983 env->ReleaseIntArrayElements(layerInfo, storage, 0); 984 return JNI_TRUE; 985 } 986 return JNI_FALSE; 987} 988 989static void android_view_GLES20Canvas_setLayerPaint(JNIEnv* env, jobject clazz, 990 jlong layerPtr, jlong paintPtr) { 991 Layer* layer = reinterpret_cast<Layer*>(layerPtr); 992 if (layer) { 993 SkPaint* paint = reinterpret_cast<SkPaint*>(paintPtr); 994 layer->setPaint(paint); 995 } 996} 997 998static void android_view_GLES20Canvas_setLayerColorFilter(JNIEnv* env, jobject clazz, 999 jlong layerPtr, jlong colorFilterPtr) { 1000 Layer* layer = reinterpret_cast<Layer*>(layerPtr); 1001 if (layer) { 1002 SkiaColorFilter* colorFilter = reinterpret_cast<SkiaColorFilter*>(colorFilterPtr); 1003 layer->setColorFilter(colorFilter); 1004 } 1005} 1006 1007static void android_view_GLES20Canvas_setOpaqueLayer(JNIEnv* env, jobject clazz, 1008 jlong layerPtr, jboolean isOpaque) { 1009 Layer* layer = reinterpret_cast<Layer*>(layerPtr); 1010 if (layer) { 1011 layer->setBlend(!isOpaque); 1012 } 1013} 1014 1015static void android_view_GLES20Canvas_updateTextureLayer(JNIEnv* env, jobject clazz, 1016 jlong layerPtr, jint width, jint height, jboolean isOpaque, jobject surface) { 1017 float transform[16]; 1018 sp<GLConsumer> surfaceTexture(SurfaceTexture_getSurfaceTexture(env, surface)); 1019 1020 if (surfaceTexture->updateTexImage() == NO_ERROR) { 1021 int64_t frameNumber = surfaceTexture->getFrameNumber(); 1022 // If the GLConsumer queue is in synchronous mode, need to discard all 1023 // but latest frame, using the frame number to tell when we no longer 1024 // have newer frames to target. Since we can't tell which mode it is in, 1025 // do this unconditionally. 1026 int dropCounter = 0; 1027 while (surfaceTexture->updateTexImage() == NO_ERROR) { 1028 int64_t newFrameNumber = surfaceTexture->getFrameNumber(); 1029 if (newFrameNumber == frameNumber) break; 1030 frameNumber = newFrameNumber; 1031 dropCounter++; 1032 } 1033 #if DEBUG_RENDERER 1034 if (dropCounter > 0) { 1035 RENDERER_LOGD("Dropped %d frames on texture layer update", dropCounter); 1036 } 1037 #endif 1038 surfaceTexture->getTransformMatrix(transform); 1039 GLenum renderTarget = surfaceTexture->getCurrentTextureTarget(); 1040 1041 Layer* layer = reinterpret_cast<Layer*>(layerPtr); 1042 LayerRenderer::updateTextureLayer(layer, width, height, isOpaque, renderTarget, transform); 1043 } 1044} 1045 1046static void android_view_GLES20Canvas_updateRenderLayer(JNIEnv* env, jobject clazz, 1047 jlong layerPtr, jlong rendererPtr, jlong displayListPtr, 1048 jint left, jint top, jint right, jint bottom) { 1049 Layer* layer = reinterpret_cast<Layer*>(layerPtr); 1050 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 1051 DisplayList* displayList = reinterpret_cast<DisplayList*>(displayListPtr); 1052 layer->updateDeferred(renderer, displayList, left, top, right, bottom); 1053} 1054 1055static void android_view_GLES20Canvas_clearLayerTexture(JNIEnv* env, jobject clazz, 1056 jlong layerPtr) { 1057 Layer* layer = reinterpret_cast<Layer*>(layerPtr); 1058 layer->clearTexture(); 1059} 1060 1061static void android_view_GLES20Canvas_setTextureLayerTransform(JNIEnv* env, jobject clazz, 1062 jlong layerPtr, jlong matrixPtr) { 1063 Layer* layer = reinterpret_cast<Layer*>(layerPtr); 1064 SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixPtr); 1065 layer->getTransform().load(*matrix); 1066} 1067 1068static void android_view_GLES20Canvas_destroyLayer(JNIEnv* env, jobject clazz, jlong layerPtr) { 1069 Layer* layer = reinterpret_cast<Layer*>(layerPtr); 1070 LayerRenderer::destroyLayer(layer); 1071} 1072 1073static void android_view_GLES20Canvas_destroyLayerDeferred(JNIEnv* env, 1074 jobject clazz, jlong layerPtr) { 1075 Layer* layer = reinterpret_cast<Layer*>(layerPtr); 1076 LayerRenderer::destroyLayerDeferred(layer); 1077} 1078 1079static void android_view_GLES20Canvas_drawLayer(JNIEnv* env, jobject clazz, 1080 jlong rendererPtr, jlong layerPtr, jfloat x, jfloat y) { 1081 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 1082 Layer* layer = reinterpret_cast<Layer*>(layerPtr); 1083 renderer->drawLayer(layer, x, y); 1084} 1085 1086static jboolean android_view_GLES20Canvas_copyLayer(JNIEnv* env, jobject clazz, 1087 jlong layerPtr, jlong bitmapPtr) { 1088 Layer* layer = reinterpret_cast<Layer*>(layerPtr); 1089 SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapPtr); 1090 return LayerRenderer::copyLayer(layer, bitmap); 1091} 1092 1093static void android_view_GLES20Canvas_pushLayerUpdate(JNIEnv* env, jobject clazz, 1094 jlong rendererPtr, jlong layerPtr) { 1095 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 1096 Layer* layer = reinterpret_cast<Layer*>(layerPtr); 1097 renderer->pushLayerUpdate(layer); 1098} 1099 1100static void android_view_GLES20Canvas_cancelLayerUpdate(JNIEnv* env, jobject clazz, 1101 jlong rendererPtr, jlong layerPtr) { 1102 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 1103 Layer* layer = reinterpret_cast<Layer*>(layerPtr); 1104 renderer->cancelLayerUpdate(layer); 1105} 1106 1107static void android_view_GLES20Canvas_clearLayerUpdates(JNIEnv* env, jobject clazz, 1108 jlong rendererPtr) { 1109 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 1110 renderer->clearLayerUpdates(); 1111} 1112 1113static void android_view_GLES20Canvas_flushLayerUpdates(JNIEnv* env, jobject clazz, 1114 jlong rendererPtr) { 1115 OpenGLRenderer* renderer = reinterpret_cast<OpenGLRenderer*>(rendererPtr); 1116 renderer->flushLayerUpdates(); 1117} 1118 1119#endif // USE_OPENGL_RENDERER 1120 1121// ---------------------------------------------------------------------------- 1122// Common 1123// ---------------------------------------------------------------------------- 1124 1125static jboolean android_view_GLES20Canvas_isAvailable(JNIEnv* env, jobject clazz) { 1126#ifdef USE_OPENGL_RENDERER 1127 char prop[PROPERTY_VALUE_MAX]; 1128 if (property_get("ro.kernel.qemu", prop, NULL) == 0) { 1129 // not in the emulator 1130 return JNI_TRUE; 1131 } 1132 // In the emulator this property will be set to 1 when hardware GLES is 1133 // enabled, 0 otherwise. On old emulator versions it will be undefined. 1134 property_get("ro.kernel.qemu.gles", prop, "0"); 1135 return atoi(prop) == 1 ? JNI_TRUE : JNI_FALSE; 1136#else 1137 return JNI_FALSE; 1138#endif 1139} 1140 1141// ---------------------------------------------------------------------------- 1142// Logging 1143// ---------------------------------------------------------------------------- 1144 1145static void 1146android_app_ActivityThread_dumpGraphics(JNIEnv* env, jobject clazz, jobject javaFileDescriptor) { 1147#ifdef USE_OPENGL_RENDERER 1148 int fd = jniGetFDFromFileDescriptor(env, javaFileDescriptor); 1149 android::uirenderer::DisplayList::outputLogBuffer(fd); 1150#endif // USE_OPENGL_RENDERER 1151} 1152 1153// ---------------------------------------------------------------------------- 1154// JNI Glue 1155// ---------------------------------------------------------------------------- 1156 1157const char* const kClassPathName = "android/view/GLES20Canvas"; 1158 1159static JNINativeMethod gMethods[] = { 1160 { "nIsAvailable", "()Z", (void*) android_view_GLES20Canvas_isAvailable }, 1161 1162#ifdef USE_OPENGL_RENDERER 1163 { "nFlushCaches", "(I)V", (void*) android_view_GLES20Canvas_flushCaches }, 1164 { "nInitCaches", "()Z", (void*) android_view_GLES20Canvas_initCaches }, 1165 { "nTerminateCaches", "()V", (void*) android_view_GLES20Canvas_terminateCaches }, 1166 1167 { "nInitAtlas", "(Landroid/view/GraphicBuffer;[II)V", 1168 (void*) android_view_GLES20Canvas_initAtlas }, 1169 1170 { "nCreateRenderer", "()J", (void*) android_view_GLES20Canvas_createRenderer }, 1171 { "nDestroyRenderer", "(J)V", (void*) android_view_GLES20Canvas_destroyRenderer }, 1172 { "nSetViewport", "(JII)V", (void*) android_view_GLES20Canvas_setViewport }, 1173 { "nPrepare", "(JZ)I", (void*) android_view_GLES20Canvas_prepare }, 1174 { "nPrepareDirty", "(JIIIIZ)I", (void*) android_view_GLES20Canvas_prepareDirty }, 1175 { "nFinish", "(J)V", (void*) android_view_GLES20Canvas_finish }, 1176 { "nSetProperty", "(Ljava/lang/String;Ljava/lang/String;)V", 1177 (void*) android_view_GLES20Canvas_setProperty }, 1178 1179 { "nSetCountOverdrawEnabled", "(JZ)V", (void*) android_view_GLES20Canvas_setCountOverdrawEnabled }, 1180 { "nGetOverdraw", "(J)F", (void*) android_view_GLES20Canvas_getOverdraw }, 1181 1182 { "nGetStencilSize", "()I", (void*) android_view_GLES20Canvas_getStencilSize }, 1183 1184 { "nCallDrawGLFunction", "(JJ)I", (void*) android_view_GLES20Canvas_callDrawGLFunction }, 1185 { "nDetachFunctor", "(JJ)V", (void*) android_view_GLES20Canvas_detachFunctor }, 1186 { "nAttachFunctor", "(JJ)V", (void*) android_view_GLES20Canvas_attachFunctor }, 1187 { "nInvokeFunctors", "(JLandroid/graphics/Rect;)I", 1188 (void*) android_view_GLES20Canvas_invokeFunctors }, 1189 1190 { "nSave", "(JI)I", (void*) android_view_GLES20Canvas_save }, 1191 { "nRestore", "(J)V", (void*) android_view_GLES20Canvas_restore }, 1192 { "nRestoreToCount", "(JI)V", (void*) android_view_GLES20Canvas_restoreToCount }, 1193 { "nGetSaveCount", "(J)I", (void*) android_view_GLES20Canvas_getSaveCount }, 1194 1195 { "nSaveLayer", "(JFFFFJI)I", (void*) android_view_GLES20Canvas_saveLayer }, 1196 { "nSaveLayer", "(JJI)I", (void*) android_view_GLES20Canvas_saveLayerClip }, 1197 { "nSaveLayerAlpha", "(JFFFFII)I", (void*) android_view_GLES20Canvas_saveLayerAlpha }, 1198 { "nSaveLayerAlpha", "(JII)I", (void*) android_view_GLES20Canvas_saveLayerAlphaClip }, 1199 1200 { "nQuickReject", "(JFFFF)Z", (void*) android_view_GLES20Canvas_quickReject }, 1201 { "nClipRect", "(JFFFFI)Z", (void*) android_view_GLES20Canvas_clipRectF }, 1202 { "nClipRect", "(JIIIII)Z", (void*) android_view_GLES20Canvas_clipRect }, 1203 { "nClipPath", "(JJI)Z", (void*) android_view_GLES20Canvas_clipPath }, 1204 { "nClipRegion", "(JJI)Z", (void*) android_view_GLES20Canvas_clipRegion }, 1205 1206 { "nTranslate", "(JFF)V", (void*) android_view_GLES20Canvas_translate }, 1207 { "nRotate", "(JF)V", (void*) android_view_GLES20Canvas_rotate }, 1208 { "nScale", "(JFF)V", (void*) android_view_GLES20Canvas_scale }, 1209 { "nSkew", "(JFF)V", (void*) android_view_GLES20Canvas_skew }, 1210 1211 { "nSetMatrix", "(JJ)V", (void*) android_view_GLES20Canvas_setMatrix }, 1212 { "nGetMatrix", "(JJ)V", (void*) android_view_GLES20Canvas_getMatrix }, 1213 { "nConcatMatrix", "(JJ)V", (void*) android_view_GLES20Canvas_concatMatrix }, 1214 1215 { "nDrawBitmap", "(JJ[BFFJ)V", (void*) android_view_GLES20Canvas_drawBitmap }, 1216 { "nDrawBitmap", "(JJ[BFFFFFFFFJ)V",(void*) android_view_GLES20Canvas_drawBitmapRect }, 1217 { "nDrawBitmap", "(JJ[BJJ)V", (void*) android_view_GLES20Canvas_drawBitmapMatrix }, 1218 { "nDrawBitmap", "(J[IIIFFIIZJ)V", (void*) android_view_GLES20Canvas_drawBitmapData }, 1219 1220 { "nDrawBitmapMesh", "(JJ[BII[FI[IIJ)V",(void*) android_view_GLES20Canvas_drawBitmapMesh }, 1221 1222 { "nDrawPatch", "(JJ[BJFFFFJ)V", (void*) android_view_GLES20Canvas_drawPatch }, 1223 1224 { "nDrawColor", "(JII)V", (void*) android_view_GLES20Canvas_drawColor }, 1225 { "nDrawRect", "(JFFFFJ)V", (void*) android_view_GLES20Canvas_drawRect }, 1226 { "nDrawRects", "(JJJ)V", (void*) android_view_GLES20Canvas_drawRegionAsRects }, 1227 { "nDrawRects", "(J[FIJ)V", (void*) android_view_GLES20Canvas_drawRects }, 1228 { "nDrawRoundRect", "(JFFFFFFJ)V", (void*) android_view_GLES20Canvas_drawRoundRect }, 1229 { "nDrawCircle", "(JFFFJ)V", (void*) android_view_GLES20Canvas_drawCircle }, 1230 { "nDrawOval", "(JFFFFJ)V", (void*) android_view_GLES20Canvas_drawOval }, 1231 { "nDrawArc", "(JFFFFFFZJ)V", (void*) android_view_GLES20Canvas_drawArc }, 1232 { "nDrawPoints", "(J[FIIJ)V", (void*) android_view_GLES20Canvas_drawPoints }, 1233 1234 { "nDrawPath", "(JJJ)V", (void*) android_view_GLES20Canvas_drawPath }, 1235 { "nDrawLines", "(J[FIIJ)V", (void*) android_view_GLES20Canvas_drawLines }, 1236 1237 { "nResetModifiers", "(JI)V", (void*) android_view_GLES20Canvas_resetModifiers }, 1238 { "nSetupShader", "(JJ)V", (void*) android_view_GLES20Canvas_setupShader }, 1239 { "nSetupColorFilter", "(JJ)V", (void*) android_view_GLES20Canvas_setupColorFilter }, 1240 { "nSetupShadow", "(JFFFI)V", (void*) android_view_GLES20Canvas_setupShadow }, 1241 1242 { "nSetupPaintFilter", "(JII)V", (void*) android_view_GLES20Canvas_setupPaintFilter }, 1243 { "nResetPaintFilter", "(J)V", (void*) android_view_GLES20Canvas_resetPaintFilter }, 1244 1245 { "nDrawText", "(J[CIIFFIJ)V", (void*) android_view_GLES20Canvas_drawTextArray }, 1246 { "nDrawText", "(JLjava/lang/String;IIFFIJ)V", 1247 (void*) android_view_GLES20Canvas_drawText }, 1248 1249 { "nDrawTextOnPath", "(J[CIIJFFIJ)V", (void*) android_view_GLES20Canvas_drawTextArrayOnPath }, 1250 { "nDrawTextOnPath", "(JLjava/lang/String;IIJFFIJ)V", 1251 (void*) android_view_GLES20Canvas_drawTextOnPath }, 1252 1253 { "nDrawTextRun", "(J[CIIIIFFIJ)V", (void*) android_view_GLES20Canvas_drawTextRunArray }, 1254 { "nDrawTextRun", "(JLjava/lang/String;IIIIFFIJ)V", 1255 (void*) android_view_GLES20Canvas_drawTextRun }, 1256 1257 { "nDrawPosText", "(J[CII[FJ)V", (void*) android_view_GLES20Canvas_drawPosTextArray }, 1258 { "nDrawPosText", "(JLjava/lang/String;II[FJ)V", 1259 (void*) android_view_GLES20Canvas_drawPosText }, 1260 1261 { "nGetClipBounds", "(JLandroid/graphics/Rect;)Z", 1262 (void*) android_view_GLES20Canvas_getClipBounds }, 1263 1264 { "nGetDisplayList", "(JJ)J", (void*) android_view_GLES20Canvas_getDisplayList }, 1265 { "nDrawDisplayList", "(JJLandroid/graphics/Rect;I)I", 1266 (void*) android_view_GLES20Canvas_drawDisplayList }, 1267 1268 { "nCreateDisplayListRenderer", "()J", (void*) android_view_GLES20Canvas_createDisplayListRenderer }, 1269 { "nResetDisplayListRenderer", "(J)V", (void*) android_view_GLES20Canvas_resetDisplayListRenderer }, 1270 1271 { "nInterrupt", "(J)V", (void*) android_view_GLES20Canvas_interrupt }, 1272 { "nResume", "(J)V", (void*) android_view_GLES20Canvas_resume }, 1273 1274 { "nCreateLayerRenderer", "(J)J", (void*) android_view_GLES20Canvas_createLayerRenderer }, 1275 { "nCreateLayer", "(IIZ[I)J", (void*) android_view_GLES20Canvas_createLayer }, 1276 { "nResizeLayer", "(JII[I)Z" , (void*) android_view_GLES20Canvas_resizeLayer }, 1277 { "nSetLayerPaint", "(JJ)V", (void*) android_view_GLES20Canvas_setLayerPaint }, 1278 { "nSetLayerColorFilter", "(JJ)V", (void*) android_view_GLES20Canvas_setLayerColorFilter }, 1279 { "nSetOpaqueLayer", "(JZ)V", (void*) android_view_GLES20Canvas_setOpaqueLayer }, 1280 { "nCreateTextureLayer", "(Z[I)J", (void*) android_view_GLES20Canvas_createTextureLayer }, 1281 { "nUpdateTextureLayer", "(JIIZLandroid/graphics/SurfaceTexture;)V", 1282 (void*) android_view_GLES20Canvas_updateTextureLayer }, 1283 { "nUpdateRenderLayer", "(JJJIIII)V", (void*) android_view_GLES20Canvas_updateRenderLayer }, 1284 { "nClearLayerTexture", "(J)V", (void*) android_view_GLES20Canvas_clearLayerTexture }, 1285 { "nDestroyLayer", "(J)V", (void*) android_view_GLES20Canvas_destroyLayer }, 1286 { "nDestroyLayerDeferred", "(J)V", (void*) android_view_GLES20Canvas_destroyLayerDeferred }, 1287 { "nDrawLayer", "(JJFF)V", (void*) android_view_GLES20Canvas_drawLayer }, 1288 { "nCopyLayer", "(JJ)Z", (void*) android_view_GLES20Canvas_copyLayer }, 1289 { "nClearLayerUpdates", "(J)V", (void*) android_view_GLES20Canvas_clearLayerUpdates }, 1290 { "nFlushLayerUpdates", "(J)V", (void*) android_view_GLES20Canvas_flushLayerUpdates }, 1291 { "nPushLayerUpdate", "(JJ)V", (void*) android_view_GLES20Canvas_pushLayerUpdate }, 1292 { "nCancelLayerUpdate", "(JJ)V", (void*) android_view_GLES20Canvas_cancelLayerUpdate }, 1293 1294 { "nSetTextureLayerTransform", "(JJ)V", (void*) android_view_GLES20Canvas_setTextureLayerTransform }, 1295 1296 { "nGetMaximumTextureWidth", "()I", (void*) android_view_GLES20Canvas_getMaxTextureWidth }, 1297 { "nGetMaximumTextureHeight", "()I", (void*) android_view_GLES20Canvas_getMaxTextureHeight }, 1298 1299#endif 1300}; 1301 1302static JNINativeMethod gActivityThreadMethods[] = { 1303 { "dumpGraphicsInfo", "(Ljava/io/FileDescriptor;)V", 1304 (void*) android_app_ActivityThread_dumpGraphics } 1305}; 1306 1307 1308#ifdef USE_OPENGL_RENDERER 1309 #define FIND_CLASS(var, className) \ 1310 var = env->FindClass(className); \ 1311 LOG_FATAL_IF(! var, "Unable to find class " className); 1312 1313 #define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) \ 1314 var = env->GetMethodID(clazz, methodName, methodDescriptor); \ 1315 LOG_FATAL_IF(! var, "Unable to find method " methodName); 1316#else 1317 #define FIND_CLASS(var, className) 1318 #define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) 1319#endif 1320 1321int register_android_view_GLES20Canvas(JNIEnv* env) { 1322 jclass clazz; 1323 FIND_CLASS(clazz, "android/graphics/Rect"); 1324 GET_METHOD_ID(gRectClassInfo.set, clazz, "set", "(IIII)V"); 1325 1326 return AndroidRuntime::registerNativeMethods(env, kClassPathName, gMethods, NELEM(gMethods)); 1327} 1328 1329const char* const kActivityThreadPathName = "android/app/ActivityThread"; 1330 1331int register_android_app_ActivityThread(JNIEnv* env) { 1332 return AndroidRuntime::registerNativeMethods(env, kActivityThreadPathName, 1333 gActivityThreadMethods, NELEM(gActivityThreadMethods)); 1334} 1335 1336}; 1337