android_view_GLES20Canvas.cpp revision b02d0ca5553300063e4332192632312600caf4b9
1/* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#define LOG_TAG "OpenGLRenderer" 18 19#include <EGL/egl.h> 20 21#include "jni.h" 22#include "GraphicsJNI.h" 23#include <nativehelper/JNIHelp.h> 24#include <android_runtime/AndroidRuntime.h> 25#include <android_runtime/android_graphics_SurfaceTexture.h> 26#include <cutils/properties.h> 27#include <utils/ResourceTypes.h> 28 29#include <gui/SurfaceTexture.h> 30 31#include <SkBitmap.h> 32#include <SkCanvas.h> 33#include <SkMatrix.h> 34#include <SkPaint.h> 35#include <SkRegion.h> 36#include <SkScalerContext.h> 37#include <SkTemplates.h> 38#include <SkXfermode.h> 39 40#include <DisplayListRenderer.h> 41#include <LayerRenderer.h> 42#include <OpenGLRenderer.h> 43#include <SkiaShader.h> 44#include <SkiaColorFilter.h> 45#include <Rect.h> 46 47#include <TextLayoutCache.h> 48 49namespace android { 50 51using namespace uirenderer; 52 53/** 54 * Note: OpenGLRenderer JNI layer is generated and compiled only on supported 55 * devices. This means all the logic must be compiled only when the 56 * preprocessor variable USE_OPENGL_RENDERER is defined. 57 */ 58#ifdef USE_OPENGL_RENDERER 59 60/////////////////////////////////////////////////////////////////////////////// 61// Defines 62/////////////////////////////////////////////////////////////////////////////// 63 64// Debug 65#define DEBUG_RENDERER 0 66 67// Debug 68#if DEBUG_RENDERER 69 #define RENDERER_LOGD(...) LOGD(__VA_ARGS__) 70#else 71 #define RENDERER_LOGD(...) 72#endif 73 74#define MODIFIER_SHADOW 1 75#define MODIFIER_SHADER 2 76#define MODIFIER_COLOR_FILTER 4 77 78// ---------------------------------------------------------------------------- 79 80static struct { 81 jmethodID set; 82} gRectClassInfo; 83 84// ---------------------------------------------------------------------------- 85// Misc 86// ---------------------------------------------------------------------------- 87 88static jboolean android_view_GLES20Canvas_preserveBackBuffer(JNIEnv* env, jobject clazz) { 89 EGLDisplay display = eglGetCurrentDisplay(); 90 EGLSurface surface = eglGetCurrentSurface(EGL_DRAW); 91 92 eglGetError(); 93 eglSurfaceAttrib(display, surface, EGL_SWAP_BEHAVIOR, EGL_BUFFER_PRESERVED); 94 95 EGLint error = eglGetError(); 96 if (error != EGL_SUCCESS) { 97 RENDERER_LOGD("Could not enable buffer preserved swap behavior (%x)", error); 98 } 99 100 return error == EGL_SUCCESS; 101} 102 103static jboolean android_view_GLES20Canvas_isBackBufferPreserved(JNIEnv* env, jobject clazz) { 104 EGLDisplay display = eglGetCurrentDisplay(); 105 EGLSurface surface = eglGetCurrentSurface(EGL_DRAW); 106 EGLint value; 107 108 eglGetError(); 109 eglQuerySurface(display, surface, EGL_SWAP_BEHAVIOR, &value); 110 111 EGLint error = eglGetError(); 112 if (error != EGL_SUCCESS) { 113 RENDERER_LOGD("Could not query buffer preserved swap behavior (%x)", error); 114 } 115 116 return error == EGL_SUCCESS && value == EGL_BUFFER_PRESERVED; 117} 118 119static void android_view_GLES20Canvas_disableVsync(JNIEnv* env, jobject clazz) { 120 EGLDisplay display = eglGetCurrentDisplay(); 121 122 eglGetError(); 123 eglSwapInterval(display, 0); 124 125 EGLint error = eglGetError(); 126 if (error != EGL_SUCCESS) { 127 RENDERER_LOGD("Could not disable v-sync (%x)", error); 128 } 129} 130 131static void android_view_GLES20Canvas_flushCaches(JNIEnv* env, jobject clazz, 132 Caches::FlushMode mode) { 133 if (Caches::hasInstance()) { 134 Caches::getInstance().flush(mode); 135 } 136} 137 138static void android_view_GLES20Canvas_initCaches(JNIEnv* env, jobject clazz) { 139 if (Caches::hasInstance()) { 140 Caches::getInstance().init(); 141 } 142} 143 144static void android_view_GLES20Canvas_terminateCaches(JNIEnv* env, jobject clazz) { 145 if (Caches::hasInstance()) { 146 Caches::getInstance().terminate(); 147 } 148} 149 150// ---------------------------------------------------------------------------- 151// Constructors 152// ---------------------------------------------------------------------------- 153 154static OpenGLRenderer* android_view_GLES20Canvas_createRenderer(JNIEnv* env, jobject clazz) { 155 RENDERER_LOGD("Create OpenGLRenderer"); 156 return new OpenGLRenderer; 157} 158 159static void android_view_GLES20Canvas_destroyRenderer(JNIEnv* env, jobject clazz, 160 OpenGLRenderer* renderer) { 161 RENDERER_LOGD("Destroy OpenGLRenderer"); 162 delete renderer; 163} 164 165// ---------------------------------------------------------------------------- 166// Setup 167// ---------------------------------------------------------------------------- 168 169static void android_view_GLES20Canvas_setViewport(JNIEnv* env, jobject clazz, 170 OpenGLRenderer* renderer, jint width, jint height) { 171 renderer->setViewport(width, height); 172} 173 174static void android_view_GLES20Canvas_prepare(JNIEnv* env, jobject clazz, 175 OpenGLRenderer* renderer, jboolean opaque) { 176 renderer->prepare(opaque); 177} 178 179static void android_view_GLES20Canvas_prepareDirty(JNIEnv* env, jobject clazz, 180 OpenGLRenderer* renderer, jint left, jint top, jint right, jint bottom, 181 jboolean opaque) { 182 renderer->prepareDirty(left, top, right, bottom, opaque); 183} 184 185static void android_view_GLES20Canvas_finish(JNIEnv* env, jobject clazz, 186 OpenGLRenderer* renderer) { 187 renderer->finish(); 188} 189 190static bool android_view_GLES20Canvas_callDrawGLFunction(JNIEnv* env, jobject clazz, 191 OpenGLRenderer* renderer, Functor *functor) { 192 android::uirenderer::Rect dirty; 193 return renderer->callDrawGLFunction(functor, dirty); 194} 195 196static jint android_view_GLES20Canvas_getMaxTextureWidth(JNIEnv* env, jobject clazz) { 197 return Caches::getInstance().maxTextureSize; 198} 199 200static jint android_view_GLES20Canvas_getMaxTextureHeight(JNIEnv* env, jobject clazz) { 201 return Caches::getInstance().maxTextureSize; 202} 203 204// ---------------------------------------------------------------------------- 205// State 206// ---------------------------------------------------------------------------- 207 208static jint android_view_GLES20Canvas_save(JNIEnv* env, jobject clazz, OpenGLRenderer* renderer, 209 jint flags) { 210 return renderer->save(flags); 211} 212 213static jint android_view_GLES20Canvas_getSaveCount(JNIEnv* env, jobject clazz, 214 OpenGLRenderer* renderer) { 215 return renderer->getSaveCount(); 216} 217 218static void android_view_GLES20Canvas_restore(JNIEnv* env, jobject clazz, 219 OpenGLRenderer* renderer) { 220 renderer->restore(); 221} 222 223static void android_view_GLES20Canvas_restoreToCount(JNIEnv* env, jobject clazz, 224 OpenGLRenderer* renderer, jint saveCount) { 225 renderer->restoreToCount(saveCount); 226} 227 228// ---------------------------------------------------------------------------- 229// Layers 230// ---------------------------------------------------------------------------- 231 232static jint android_view_GLES20Canvas_saveLayer(JNIEnv* env, jobject clazz, 233 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 234 SkPaint* paint, jint saveFlags) { 235 return renderer->saveLayer(left, top, right, bottom, paint, saveFlags); 236} 237 238static jint android_view_GLES20Canvas_saveLayerClip(JNIEnv* env, jobject clazz, 239 OpenGLRenderer* renderer, SkPaint* paint, jint saveFlags) { 240 const android::uirenderer::Rect& bounds(renderer->getClipBounds()); 241 return renderer->saveLayer(bounds.left, bounds.top, bounds.right, bounds.bottom, 242 paint, saveFlags); 243} 244 245static jint android_view_GLES20Canvas_saveLayerAlpha(JNIEnv* env, jobject clazz, 246 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 247 jint alpha, jint saveFlags) { 248 return renderer->saveLayerAlpha(left, top, right, bottom, alpha, saveFlags); 249} 250 251static jint android_view_GLES20Canvas_saveLayerAlphaClip(JNIEnv* env, jobject clazz, 252 OpenGLRenderer* renderer, jint alpha, jint saveFlags) { 253 const android::uirenderer::Rect& bounds(renderer->getClipBounds()); 254 return renderer->saveLayerAlpha(bounds.left, bounds.top, bounds.right, bounds.bottom, 255 alpha, saveFlags); 256} 257 258// ---------------------------------------------------------------------------- 259// Clipping 260// ---------------------------------------------------------------------------- 261 262static bool android_view_GLES20Canvas_quickReject(JNIEnv* env, jobject clazz, 263 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 264 SkCanvas::EdgeType edge) { 265 return renderer->quickReject(left, top, right, bottom); 266} 267 268static bool android_view_GLES20Canvas_clipRectF(JNIEnv* env, jobject clazz, 269 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 270 SkRegion::Op op) { 271 return renderer->clipRect(left, top, right, bottom, op); 272} 273 274static bool android_view_GLES20Canvas_clipRect(JNIEnv* env, jobject clazz, 275 OpenGLRenderer* renderer, jint left, jint top, jint right, jint bottom, 276 SkRegion::Op op) { 277 return renderer->clipRect(float(left), float(top), float(right), float(bottom), op); 278} 279 280static bool android_view_GLES20Canvas_getClipBounds(JNIEnv* env, jobject clazz, 281 OpenGLRenderer* renderer, jobject rect) { 282 const android::uirenderer::Rect& bounds(renderer->getClipBounds()); 283 284 env->CallVoidMethod(rect, gRectClassInfo.set, 285 int(bounds.left), int(bounds.top), int(bounds.right), int(bounds.bottom)); 286 287 return !bounds.isEmpty(); 288} 289 290// ---------------------------------------------------------------------------- 291// Transforms 292// ---------------------------------------------------------------------------- 293 294static void android_view_GLES20Canvas_translate(JNIEnv* env, jobject clazz, 295 OpenGLRenderer* renderer, jfloat dx, jfloat dy) { 296 renderer->translate(dx, dy); 297} 298 299static void android_view_GLES20Canvas_rotate(JNIEnv* env, jobject clazz, 300 OpenGLRenderer* renderer, jfloat degrees) { 301 renderer->rotate(degrees); 302} 303 304static void android_view_GLES20Canvas_scale(JNIEnv* env, jobject clazz, 305 OpenGLRenderer* renderer, jfloat sx, jfloat sy) { 306 renderer->scale(sx, sy); 307} 308 309static void android_view_GLES20Canvas_skew(JNIEnv* env, jobject clazz, 310 OpenGLRenderer* renderer, jfloat sx, jfloat sy) { 311 renderer->skew(sx, sy); 312} 313 314static void android_view_GLES20Canvas_setMatrix(JNIEnv* env, jobject clazz, 315 OpenGLRenderer* renderer, SkMatrix* matrix) { 316 renderer->setMatrix(matrix); 317} 318 319static void android_view_GLES20Canvas_getMatrix(JNIEnv* env, jobject clazz, 320 OpenGLRenderer* renderer, SkMatrix* matrix) { 321 renderer->getMatrix(matrix); 322} 323 324static void android_view_GLES20Canvas_concatMatrix(JNIEnv* env, jobject clazz, 325 OpenGLRenderer* renderer, SkMatrix* matrix) { 326 renderer->concatMatrix(matrix); 327} 328 329// ---------------------------------------------------------------------------- 330// Drawing 331// ---------------------------------------------------------------------------- 332 333static void android_view_GLES20Canvas_drawBitmap(JNIEnv* env, jobject clazz, 334 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, float left, 335 float top, SkPaint* paint) { 336 // This object allows the renderer to allocate a global JNI ref to the buffer object. 337 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 338 339 renderer->drawBitmap(bitmap, left, top, paint); 340} 341 342static void android_view_GLES20Canvas_drawBitmapRect(JNIEnv* env, jobject clazz, 343 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, 344 float srcLeft, float srcTop, float srcRight, float srcBottom, 345 float dstLeft, float dstTop, float dstRight, float dstBottom, SkPaint* paint) { 346 // This object allows the renderer to allocate a global JNI ref to the buffer object. 347 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 348 349 renderer->drawBitmap(bitmap, srcLeft, srcTop, srcRight, srcBottom, 350 dstLeft, dstTop, dstRight, dstBottom, paint); 351} 352 353static void android_view_GLES20Canvas_drawBitmapMatrix(JNIEnv* env, jobject clazz, 354 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, SkMatrix* matrix, 355 SkPaint* paint) { 356 // This object allows the renderer to allocate a global JNI ref to the buffer object. 357 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 358 359 renderer->drawBitmap(bitmap, matrix, paint); 360} 361 362static void android_view_GLES20Canvas_drawBitmapMesh(JNIEnv* env, jobject clazz, 363 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, 364 jint meshWidth, jint meshHeight, jfloatArray vertices, jint offset, 365 jintArray colors, jint colorOffset, SkPaint* paint) { 366 // This object allows the renderer to allocate a global JNI ref to the buffer object. 367 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 368 369 jfloat* verticesArray = vertices ? env->GetFloatArrayElements(vertices, NULL) + offset : NULL; 370 jint* colorsArray = colors ? env->GetIntArrayElements(colors, NULL) + colorOffset : NULL; 371 372 renderer->drawBitmapMesh(bitmap, meshWidth, meshHeight, verticesArray, colorsArray, paint); 373 374 if (vertices) env->ReleaseFloatArrayElements(vertices, verticesArray, 0); 375 if (colors) env->ReleaseIntArrayElements(colors, colorsArray, 0); 376} 377 378static void android_view_GLES20Canvas_drawPatch(JNIEnv* env, jobject clazz, 379 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, jbyteArray chunks, 380 float left, float top, float right, float bottom, SkPaint* paint) { 381 // This object allows the renderer to allocate a global JNI ref to the buffer object. 382 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 383 384 jbyte* storage = env->GetByteArrayElements(chunks, NULL); 385 Res_png_9patch* patch = reinterpret_cast<Res_png_9patch*>(storage); 386 Res_png_9patch::deserialize(patch); 387 388 renderer->drawPatch(bitmap, &patch->xDivs[0], &patch->yDivs[0], 389 &patch->colors[0], patch->numXDivs, patch->numYDivs, patch->numColors, 390 left, top, right, bottom, paint); 391 392 env->ReleaseByteArrayElements(chunks, storage, 0); 393} 394 395static void android_view_GLES20Canvas_drawColor(JNIEnv* env, jobject clazz, 396 OpenGLRenderer* renderer, jint color, SkXfermode::Mode mode) { 397 renderer->drawColor(color, mode); 398} 399 400static void android_view_GLES20Canvas_drawRect(JNIEnv* env, jobject clazz, 401 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 402 SkPaint* paint) { 403 renderer->drawRect(left, top, right, bottom, paint); 404} 405 406static void android_view_GLES20Canvas_drawRoundRect(JNIEnv* env, jobject clazz, 407 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 408 jfloat rx, jfloat ry, SkPaint* paint) { 409 renderer->drawRoundRect(left, top, right, bottom, rx, ry, paint); 410} 411 412static void android_view_GLES20Canvas_drawCircle(JNIEnv* env, jobject clazz, 413 OpenGLRenderer* renderer, jfloat x, jfloat y, jfloat radius, SkPaint* paint) { 414 renderer->drawCircle(x, y, radius, paint); 415} 416 417static void android_view_GLES20Canvas_drawOval(JNIEnv* env, jobject clazz, 418 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 419 SkPaint* paint) { 420 renderer->drawOval(left, top, right, bottom, paint); 421} 422 423static void android_view_GLES20Canvas_drawArc(JNIEnv* env, jobject clazz, 424 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 425 jfloat startAngle, jfloat sweepAngle, jboolean useCenter, SkPaint* paint) { 426 renderer->drawArc(left, top, right, bottom, startAngle, sweepAngle, useCenter, paint); 427} 428 429static void android_view_GLES20Canvas_drawRects(JNIEnv* env, jobject clazz, 430 OpenGLRenderer* renderer, SkRegion* region, SkPaint* paint) { 431 SkRegion::Iterator it(*region); 432 while (!it.done()) { 433 const SkIRect& r = it.rect(); 434 renderer->drawRect(r.fLeft, r.fTop, r.fRight, r.fBottom, paint); 435 it.next(); 436 } 437} 438 439static void android_view_GLES20Canvas_drawPoints(JNIEnv* env, jobject clazz, 440 OpenGLRenderer* renderer, jfloatArray points, jint offset, jint count, SkPaint* paint) { 441 jfloat* storage = env->GetFloatArrayElements(points, NULL); 442 renderer->drawPoints(storage + offset, count, paint); 443 env->ReleaseFloatArrayElements(points, storage, 0); 444} 445 446static void android_view_GLES20Canvas_drawPath(JNIEnv* env, jobject clazz, 447 OpenGLRenderer* renderer, SkPath* path, SkPaint* paint) { 448 renderer->drawPath(path, paint); 449} 450 451static void android_view_GLES20Canvas_drawLines(JNIEnv* env, jobject clazz, 452 OpenGLRenderer* renderer, jfloatArray points, jint offset, jint count, SkPaint* paint) { 453 jfloat* storage = env->GetFloatArrayElements(points, NULL); 454 renderer->drawLines(storage + offset, count, paint); 455 env->ReleaseFloatArrayElements(points, storage, 0); 456} 457 458// ---------------------------------------------------------------------------- 459// Shaders and color filters 460// ---------------------------------------------------------------------------- 461 462static void android_view_GLES20Canvas_resetModifiers(JNIEnv* env, jobject clazz, 463 OpenGLRenderer* renderer, jint modifiers) { 464 if (modifiers & MODIFIER_SHADOW) renderer->resetShadow(); 465 if (modifiers & MODIFIER_SHADER) renderer->resetShader(); 466 if (modifiers & MODIFIER_COLOR_FILTER) renderer->resetColorFilter(); 467} 468 469static void android_view_GLES20Canvas_setupShader(JNIEnv* env, jobject clazz, 470 OpenGLRenderer* renderer, SkiaShader* shader) { 471 renderer->setupShader(shader); 472} 473 474static void android_view_GLES20Canvas_setupColorFilter(JNIEnv* env, jobject clazz, 475 OpenGLRenderer* renderer, SkiaColorFilter* filter) { 476 renderer->setupColorFilter(filter); 477} 478 479static void android_view_GLES20Canvas_setupShadow(JNIEnv* env, jobject clazz, 480 OpenGLRenderer* renderer, jfloat radius, jfloat dx, jfloat dy, jint color) { 481 renderer->setupShadow(radius, dx, dy, color); 482} 483 484// ---------------------------------------------------------------------------- 485// Text 486// ---------------------------------------------------------------------------- 487 488static void renderText(OpenGLRenderer* renderer, const jchar* text, int count, 489 jfloat x, jfloat y, int flags, SkPaint* paint) { 490 sp<TextLayoutCacheValue> value; 491#if USE_TEXT_LAYOUT_CACHE 492 value = TextLayoutCache::getInstance().getValue(paint, text, 0, count, count, flags); 493 if (value == NULL) { 494 LOGE("Cannot get TextLayoutCache value for text = '%s'", 495 String8(text, count).string()); 496 return; 497 } 498#else 499 value = new TextLayoutCacheValue(count); 500 TextLayoutEngine::getInstance().computeValues(value.get(), paint, 501 text, 0, count, count, flags); 502#endif 503 const jchar* glyphs = value->getGlyphs(); 504 size_t glyphsCount = value->getGlyphsCount(); 505 int bytesCount = glyphsCount * sizeof(jchar); 506 renderer->drawText((const char*) glyphs, bytesCount, glyphsCount, x, y, paint); 507} 508 509static void renderTextRun(OpenGLRenderer* renderer, const jchar* text, 510 jint start, jint count, jint contextCount, jfloat x, jfloat y, 511 int flags, SkPaint* paint) { 512 sp<TextLayoutCacheValue> value; 513#if USE_TEXT_LAYOUT_CACHE 514 value = TextLayoutCache::getInstance().getValue(paint, text, start, count, contextCount, flags); 515 if (value == NULL) { 516 LOGE("Cannot get TextLayoutCache value for text = '%s'", 517 String8(text + start, count).string()); 518 return; 519 } 520#else 521 value = new TextLayoutCacheValue(count); 522 TextLayoutEngine::getInstance().computeValues(value.get(), paint, 523 text, start, count, contextCount, flags); 524#endif 525 const jchar* glyphs = value->getGlyphs(); 526 size_t glyphsCount = value->getGlyphsCount(); 527 int bytesCount = glyphsCount * sizeof(jchar); 528 renderer->drawText((const char*) glyphs, bytesCount, glyphsCount, x, y, paint); 529} 530 531static void android_view_GLES20Canvas_drawTextArray(JNIEnv* env, jobject clazz, 532 OpenGLRenderer* renderer, jcharArray text, jint index, jint count, 533 jfloat x, jfloat y, jint flags, SkPaint* paint) { 534 jchar* textArray = env->GetCharArrayElements(text, NULL); 535 renderText(renderer, textArray + index, count, x, y, flags, paint); 536 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 537} 538 539static void android_view_GLES20Canvas_drawText(JNIEnv* env, jobject clazz, 540 OpenGLRenderer* renderer, jstring text, jint start, jint end, 541 jfloat x, jfloat y, jint flags, SkPaint* paint) { 542 const jchar* textArray = env->GetStringChars(text, NULL); 543 renderText(renderer, textArray + start, end - start, x, y, flags, paint); 544 env->ReleaseStringChars(text, textArray); 545} 546 547static void android_view_GLES20Canvas_drawTextRunArray(JNIEnv* env, jobject clazz, 548 OpenGLRenderer* renderer, jcharArray text, jint index, jint count, 549 jint contextIndex, jint contextCount, jfloat x, jfloat y, jint dirFlags, 550 SkPaint* paint) { 551 jchar* textArray = env->GetCharArrayElements(text, NULL); 552 renderTextRun(renderer, textArray + contextIndex, index - contextIndex, 553 count, contextCount, x, y, dirFlags, paint); 554 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 555 } 556 557static void android_view_GLES20Canvas_drawTextRun(JNIEnv* env, jobject clazz, 558 OpenGLRenderer* renderer, jstring text, jint start, jint end, 559 jint contextStart, int contextEnd, jfloat x, jfloat y, jint dirFlags, 560 SkPaint* paint) { 561 const jchar* textArray = env->GetStringChars(text, NULL); 562 jint count = end - start; 563 jint contextCount = contextEnd - contextStart; 564 renderTextRun(renderer, textArray + contextStart, start - contextStart, 565 count, contextCount, x, y, dirFlags, paint); 566 env->ReleaseStringChars(text, textArray); 567} 568 569// ---------------------------------------------------------------------------- 570// Display lists 571// ---------------------------------------------------------------------------- 572 573static DisplayList* android_view_GLES20Canvas_getDisplayList(JNIEnv* env, 574 jobject clazz, DisplayListRenderer* renderer, DisplayList* displayList) { 575 return renderer->getDisplayList(displayList); 576} 577 578static jint android_view_GLES20Canvas_getDisplayListSize(JNIEnv* env, 579 jobject clazz, DisplayList* displayList) { 580 return displayList->getSize(); 581} 582 583static OpenGLRenderer* android_view_GLES20Canvas_createDisplayListRenderer(JNIEnv* env, 584 jobject clazz) { 585 return new DisplayListRenderer; 586} 587 588static void android_view_GLES20Canvas_resetDisplayListRenderer(JNIEnv* env, 589 jobject clazz, DisplayListRenderer* renderer) { 590 renderer->reset(); 591} 592 593static void android_view_GLES20Canvas_destroyDisplayList(JNIEnv* env, 594 jobject clazz, DisplayList* displayList) { 595 delete displayList; 596} 597 598static bool android_view_GLES20Canvas_drawDisplayList(JNIEnv* env, 599 jobject clazz, OpenGLRenderer* renderer, DisplayList* displayList, 600 jint width, jint height, jobject dirty) { 601 android::uirenderer::Rect bounds; 602 bool redraw = renderer->drawDisplayList(displayList, width, height, bounds); 603 if (redraw && dirty != NULL) { 604 env->CallVoidMethod(dirty, gRectClassInfo.set, 605 int(bounds.left), int(bounds.top), int(bounds.right), int(bounds.bottom)); 606 } 607 return redraw; 608} 609 610static void android_view_GLES20Canvas_outputDisplayList(JNIEnv* env, 611 jobject clazz, OpenGLRenderer* renderer, DisplayList* displayList) { 612 renderer->outputDisplayList(displayList); 613} 614 615// ---------------------------------------------------------------------------- 616// Layers 617// ---------------------------------------------------------------------------- 618 619static void android_view_GLES20Canvas_interrupt(JNIEnv* env, jobject clazz, 620 OpenGLRenderer* renderer) { 621 renderer->interrupt(); 622} 623 624static void android_view_GLES20Canvas_resume(JNIEnv* env, jobject clazz, 625 OpenGLRenderer* renderer) { 626 renderer->resume(); 627} 628 629static OpenGLRenderer* android_view_GLES20Canvas_createLayerRenderer(JNIEnv* env, 630 jobject clazz, Layer* layer) { 631 if (layer) { 632 return new LayerRenderer(layer); 633 } 634 return NULL; 635} 636 637static Layer* android_view_GLES20Canvas_createTextureLayer(JNIEnv* env, jobject clazz, 638 jboolean isOpaque, jintArray layerInfo) { 639 Layer* layer = LayerRenderer::createTextureLayer(isOpaque); 640 641 if (layer) { 642 jint* storage = env->GetIntArrayElements(layerInfo, NULL); 643 storage[0] = layer->getTexture(); 644 env->ReleaseIntArrayElements(layerInfo, storage, 0); 645 } 646 647 return layer; 648} 649 650static Layer* android_view_GLES20Canvas_createLayer(JNIEnv* env, jobject clazz, 651 jint width, jint height, jboolean isOpaque, jintArray layerInfo) { 652 Layer* layer = LayerRenderer::createLayer(width, height, isOpaque); 653 654 if (layer) { 655 jint* storage = env->GetIntArrayElements(layerInfo, NULL); 656 storage[0] = layer->getWidth(); 657 storage[1] = layer->getHeight(); 658 env->ReleaseIntArrayElements(layerInfo, storage, 0); 659 } 660 661 return layer; 662} 663 664static void android_view_GLES20Canvas_resizeLayer(JNIEnv* env, jobject clazz, 665 Layer* layer, jint width, jint height, jintArray layerInfo) { 666 LayerRenderer::resizeLayer(layer, width, height); 667 668 jint* storage = env->GetIntArrayElements(layerInfo, NULL); 669 storage[0] = layer->getWidth(); 670 storage[1] = layer->getHeight(); 671 env->ReleaseIntArrayElements(layerInfo, storage, 0); 672} 673 674static void android_view_GLES20Canvas_updateTextureLayer(JNIEnv* env, jobject clazz, 675 Layer* layer, jint width, jint height, jboolean isOpaque, jobject surface) { 676 float transform[16]; 677 sp<SurfaceTexture> surfaceTexture(SurfaceTexture_getSurfaceTexture(env, surface)); 678 679 surfaceTexture->updateTexImage(); 680 surfaceTexture->getTransformMatrix(transform); 681 GLenum renderTarget = surfaceTexture->getCurrentTextureTarget(); 682 683 LayerRenderer::updateTextureLayer(layer, width, height, isOpaque, renderTarget, transform); 684} 685 686static void android_view_GLES20Canvas_setTextureLayerTransform(JNIEnv* env, jobject clazz, 687 Layer* layer, SkMatrix* matrix) { 688 689 layer->getTransform().load(*matrix); 690} 691 692static void android_view_GLES20Canvas_destroyLayer(JNIEnv* env, jobject clazz, Layer* layer) { 693 LayerRenderer::destroyLayer(layer); 694} 695 696static void android_view_GLES20Canvas_destroyLayerDeferred(JNIEnv* env, 697 jobject clazz, Layer* layer) { 698 LayerRenderer::destroyLayerDeferred(layer); 699} 700 701static void android_view_GLES20Canvas_flushLayer(JNIEnv* env, jobject clazz, Layer* layer) { 702 LayerRenderer::flushLayer(layer); 703} 704 705static void android_view_GLES20Canvas_drawLayer(JNIEnv* env, jobject clazz, 706 OpenGLRenderer* renderer, Layer* layer, jfloat x, jfloat y, SkPaint* paint) { 707 renderer->drawLayer(layer, x, y, paint); 708} 709 710static jboolean android_view_GLES20Canvas_copyLayer(JNIEnv* env, jobject clazz, 711 Layer* layer, SkBitmap* bitmap) { 712 return LayerRenderer::copyLayer(layer, bitmap); 713} 714 715#endif // USE_OPENGL_RENDERER 716 717// ---------------------------------------------------------------------------- 718// Common 719// ---------------------------------------------------------------------------- 720 721static jboolean android_view_GLES20Canvas_isAvailable(JNIEnv* env, jobject clazz) { 722#ifdef USE_OPENGL_RENDERER 723 char prop[PROPERTY_VALUE_MAX]; 724 if (property_get("ro.kernel.qemu", prop, NULL) == 0) { 725 // not in the emulator 726 return JNI_TRUE; 727 } 728 // In the emulator this property will be set to 1 when hardware GLES is 729 // enabled, 0 otherwise. On old emulator versions it will be undefined. 730 property_get("ro.kernel.qemu.gles", prop, "0"); 731 return atoi(prop) == 1 ? JNI_TRUE : JNI_FALSE; 732#else 733 return JNI_FALSE; 734#endif 735} 736 737// ---------------------------------------------------------------------------- 738// Logging 739// ---------------------------------------------------------------------------- 740 741static void 742android_app_ActivityThread_dumpGraphics(JNIEnv* env, jobject clazz, jobject javaFileDescriptor) { 743#ifdef USE_OPENGL_RENDERER 744 int fd = jniGetFDFromFileDescriptor(env, javaFileDescriptor); 745 android::uirenderer::DisplayList::outputLogBuffer(fd); 746#endif // USE_OPENGL_RENDERER 747} 748 749// ---------------------------------------------------------------------------- 750// JNI Glue 751// ---------------------------------------------------------------------------- 752 753const char* const kClassPathName = "android/view/GLES20Canvas"; 754 755static JNINativeMethod gMethods[] = { 756 { "nIsAvailable", "()Z", (void*) android_view_GLES20Canvas_isAvailable }, 757 758#ifdef USE_OPENGL_RENDERER 759 { "nIsBackBufferPreserved", "()Z", (void*) android_view_GLES20Canvas_isBackBufferPreserved }, 760 { "nPreserveBackBuffer", "()Z", (void*) android_view_GLES20Canvas_preserveBackBuffer }, 761 { "nDisableVsync", "()V", (void*) android_view_GLES20Canvas_disableVsync }, 762 { "nFlushCaches", "(I)V", (void*) android_view_GLES20Canvas_flushCaches }, 763 { "nInitCaches", "()V", (void*) android_view_GLES20Canvas_initCaches }, 764 { "nTerminateCaches", "()V", (void*) android_view_GLES20Canvas_terminateCaches }, 765 766 { "nCreateRenderer", "()I", (void*) android_view_GLES20Canvas_createRenderer }, 767 { "nDestroyRenderer", "(I)V", (void*) android_view_GLES20Canvas_destroyRenderer }, 768 { "nSetViewport", "(III)V", (void*) android_view_GLES20Canvas_setViewport }, 769 { "nPrepare", "(IZ)V", (void*) android_view_GLES20Canvas_prepare }, 770 { "nPrepareDirty", "(IIIIIZ)V", (void*) android_view_GLES20Canvas_prepareDirty }, 771 { "nFinish", "(I)V", (void*) android_view_GLES20Canvas_finish }, 772 773 { "nCallDrawGLFunction", "(II)Z", 774 (void*) android_view_GLES20Canvas_callDrawGLFunction }, 775 776 { "nSave", "(II)I", (void*) android_view_GLES20Canvas_save }, 777 { "nRestore", "(I)V", (void*) android_view_GLES20Canvas_restore }, 778 { "nRestoreToCount", "(II)V", (void*) android_view_GLES20Canvas_restoreToCount }, 779 { "nGetSaveCount", "(I)I", (void*) android_view_GLES20Canvas_getSaveCount }, 780 781 { "nSaveLayer", "(IFFFFII)I", (void*) android_view_GLES20Canvas_saveLayer }, 782 { "nSaveLayer", "(III)I", (void*) android_view_GLES20Canvas_saveLayerClip }, 783 { "nSaveLayerAlpha", "(IFFFFII)I", (void*) android_view_GLES20Canvas_saveLayerAlpha }, 784 { "nSaveLayerAlpha", "(III)I", (void*) android_view_GLES20Canvas_saveLayerAlphaClip }, 785 786 { "nQuickReject", "(IFFFFI)Z", (void*) android_view_GLES20Canvas_quickReject }, 787 { "nClipRect", "(IFFFFI)Z", (void*) android_view_GLES20Canvas_clipRectF }, 788 { "nClipRect", "(IIIIII)Z", (void*) android_view_GLES20Canvas_clipRect }, 789 790 { "nTranslate", "(IFF)V", (void*) android_view_GLES20Canvas_translate }, 791 { "nRotate", "(IF)V", (void*) android_view_GLES20Canvas_rotate }, 792 { "nScale", "(IFF)V", (void*) android_view_GLES20Canvas_scale }, 793 { "nSkew", "(IFF)V", (void*) android_view_GLES20Canvas_skew }, 794 795 { "nSetMatrix", "(II)V", (void*) android_view_GLES20Canvas_setMatrix }, 796 { "nGetMatrix", "(II)V", (void*) android_view_GLES20Canvas_getMatrix }, 797 { "nConcatMatrix", "(II)V", (void*) android_view_GLES20Canvas_concatMatrix }, 798 799 { "nDrawBitmap", "(II[BFFI)V", (void*) android_view_GLES20Canvas_drawBitmap }, 800 { "nDrawBitmap", "(II[BFFFFFFFFI)V",(void*) android_view_GLES20Canvas_drawBitmapRect }, 801 { "nDrawBitmap", "(II[BII)V", (void*) android_view_GLES20Canvas_drawBitmapMatrix }, 802 803 { "nDrawBitmapMesh", "(II[BII[FI[III)V",(void*) android_view_GLES20Canvas_drawBitmapMesh }, 804 805 { "nDrawPatch", "(II[B[BFFFFI)V", (void*) android_view_GLES20Canvas_drawPatch }, 806 807 { "nDrawColor", "(III)V", (void*) android_view_GLES20Canvas_drawColor }, 808 { "nDrawRect", "(IFFFFI)V", (void*) android_view_GLES20Canvas_drawRect }, 809 { "nDrawRects", "(III)V", (void*) android_view_GLES20Canvas_drawRects }, 810 { "nDrawRoundRect", "(IFFFFFFI)V", (void*) android_view_GLES20Canvas_drawRoundRect }, 811 { "nDrawCircle", "(IFFFI)V", (void*) android_view_GLES20Canvas_drawCircle }, 812 { "nDrawOval", "(IFFFFI)V", (void*) android_view_GLES20Canvas_drawOval }, 813 { "nDrawArc", "(IFFFFFFZI)V", (void*) android_view_GLES20Canvas_drawArc }, 814 { "nDrawPoints", "(I[FIII)V", (void*) android_view_GLES20Canvas_drawPoints }, 815 816 { "nDrawPath", "(III)V", (void*) android_view_GLES20Canvas_drawPath }, 817 { "nDrawLines", "(I[FIII)V", (void*) android_view_GLES20Canvas_drawLines }, 818 819 { "nResetModifiers", "(II)V", (void*) android_view_GLES20Canvas_resetModifiers }, 820 { "nSetupShader", "(II)V", (void*) android_view_GLES20Canvas_setupShader }, 821 { "nSetupColorFilter", "(II)V", (void*) android_view_GLES20Canvas_setupColorFilter }, 822 { "nSetupShadow", "(IFFFI)V", (void*) android_view_GLES20Canvas_setupShadow }, 823 824 { "nDrawText", "(I[CIIFFII)V", (void*) android_view_GLES20Canvas_drawTextArray }, 825 { "nDrawText", "(ILjava/lang/String;IIFFII)V", 826 (void*) android_view_GLES20Canvas_drawText }, 827 828 { "nDrawTextRun", "(I[CIIIIFFII)V", (void*) android_view_GLES20Canvas_drawTextRunArray }, 829 { "nDrawTextRun", "(ILjava/lang/String;IIIIFFII)V", 830 (void*) android_view_GLES20Canvas_drawTextRun }, 831 832 { "nGetClipBounds", "(ILandroid/graphics/Rect;)Z", 833 (void*) android_view_GLES20Canvas_getClipBounds }, 834 835 { "nGetDisplayList", "(II)I", (void*) android_view_GLES20Canvas_getDisplayList }, 836 { "nDestroyDisplayList", "(I)V", (void*) android_view_GLES20Canvas_destroyDisplayList }, 837 { "nGetDisplayListSize", "(I)I", (void*) android_view_GLES20Canvas_getDisplayListSize }, 838 { "nCreateDisplayListRenderer", "()I", (void*) android_view_GLES20Canvas_createDisplayListRenderer }, 839 { "nResetDisplayListRenderer", "(I)V", (void*) android_view_GLES20Canvas_resetDisplayListRenderer }, 840 { "nDrawDisplayList", "(IIIILandroid/graphics/Rect;)Z", 841 (void*) android_view_GLES20Canvas_drawDisplayList }, 842 { "nOutputDisplayList", "(II)V", (void*) android_view_GLES20Canvas_outputDisplayList }, 843 { "nInterrupt", "(I)V", (void*) android_view_GLES20Canvas_interrupt }, 844 { "nResume", "(I)V", (void*) android_view_GLES20Canvas_resume }, 845 846 { "nCreateLayerRenderer", "(I)I", (void*) android_view_GLES20Canvas_createLayerRenderer }, 847 { "nCreateLayer", "(IIZ[I)I", (void*) android_view_GLES20Canvas_createLayer }, 848 { "nResizeLayer", "(III[I)V" , (void*) android_view_GLES20Canvas_resizeLayer }, 849 { "nCreateTextureLayer", "(Z[I)I", (void*) android_view_GLES20Canvas_createTextureLayer }, 850 { "nUpdateTextureLayer", "(IIIZLandroid/graphics/SurfaceTexture;)V", 851 (void*) android_view_GLES20Canvas_updateTextureLayer }, 852 { "nSetTextureLayerTransform", "(II)V", (void*) android_view_GLES20Canvas_setTextureLayerTransform }, 853 { "nDestroyLayer", "(I)V", (void*) android_view_GLES20Canvas_destroyLayer }, 854 { "nDestroyLayerDeferred", "(I)V", (void*) android_view_GLES20Canvas_destroyLayerDeferred }, 855 { "nFlushLayer", "(I)V", (void*) android_view_GLES20Canvas_flushLayer }, 856 { "nDrawLayer", "(IIFFI)V", (void*) android_view_GLES20Canvas_drawLayer }, 857 { "nCopyLayer", "(II)Z", (void*) android_view_GLES20Canvas_copyLayer }, 858 859 { "nGetMaximumTextureWidth", "()I", (void*) android_view_GLES20Canvas_getMaxTextureWidth }, 860 { "nGetMaximumTextureHeight", "()I", (void*) android_view_GLES20Canvas_getMaxTextureHeight }, 861 862#endif 863}; 864 865static JNINativeMethod gActivityThreadMethods[] = { 866 { "dumpGraphicsInfo", "(Ljava/io/FileDescriptor;)V", 867 (void*) android_app_ActivityThread_dumpGraphics } 868}; 869 870 871#ifdef USE_OPENGL_RENDERER 872 #define FIND_CLASS(var, className) \ 873 var = env->FindClass(className); \ 874 LOG_FATAL_IF(! var, "Unable to find class " className); 875 876 #define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) \ 877 var = env->GetMethodID(clazz, methodName, methodDescriptor); \ 878 LOG_FATAL_IF(! var, "Unable to find method " methodName); 879#else 880 #define FIND_CLASS(var, className) 881 #define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) 882#endif 883 884int register_android_view_GLES20Canvas(JNIEnv* env) { 885 jclass clazz; 886 FIND_CLASS(clazz, "android/graphics/Rect"); 887 GET_METHOD_ID(gRectClassInfo.set, clazz, "set", "(IIII)V"); 888 889 return AndroidRuntime::registerNativeMethods(env, kClassPathName, gMethods, NELEM(gMethods)); 890} 891 892const char* const kActivityThreadPathName = "android/app/ActivityThread"; 893 894int register_android_app_ActivityThread(JNIEnv* env) { 895 return AndroidRuntime::registerNativeMethods(env, kActivityThreadPathName, 896 gActivityThreadMethods, NELEM(gActivityThreadMethods)); 897} 898 899}; 900