android_view_GLES20Canvas.cpp revision f61970fc79e9c5cf340fa942597628242361864a
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 <utils/ResourceTypes.h> 27 28#include <gui/SurfaceTexture.h> 29 30#include <SkBitmap.h> 31#include <SkCanvas.h> 32#include <SkMatrix.h> 33#include <SkPaint.h> 34#include <SkRegion.h> 35#include <SkScalerContext.h> 36#include <SkTemplates.h> 37#include <SkXfermode.h> 38 39#include <DisplayListRenderer.h> 40#include <LayerRenderer.h> 41#include <OpenGLRenderer.h> 42#include <SkiaShader.h> 43#include <SkiaColorFilter.h> 44#include <Rect.h> 45 46#include <TextLayout.h> 47 48namespace android { 49 50using namespace uirenderer; 51 52/** 53 * Note: OpenGLRenderer JNI layer is generated and compiled only on supported 54 * devices. This means all the logic must be compiled only when the 55 * preprocessor variable USE_OPENGL_RENDERER is defined. 56 */ 57#ifdef USE_OPENGL_RENDERER 58 59/////////////////////////////////////////////////////////////////////////////// 60// Defines 61/////////////////////////////////////////////////////////////////////////////// 62 63// Debug 64#define DEBUG_RENDERER 0 65 66// Debug 67#if DEBUG_RENDERER 68 #define RENDERER_LOGD(...) LOGD(__VA_ARGS__) 69#else 70 #define RENDERER_LOGD(...) 71#endif 72 73#define MODIFIER_SHADOW 1 74#define MODIFIER_SHADER 2 75#define MODIFIER_COLOR_FILTER 4 76 77// ---------------------------------------------------------------------------- 78 79static struct { 80 jmethodID set; 81} gRectClassInfo; 82 83// ---------------------------------------------------------------------------- 84// Misc 85// ---------------------------------------------------------------------------- 86 87static jboolean android_view_GLES20Canvas_preserveBackBuffer(JNIEnv* env, jobject clazz) { 88 EGLDisplay display = eglGetCurrentDisplay(); 89 EGLSurface surface = eglGetCurrentSurface(EGL_DRAW); 90 91 eglGetError(); 92 eglSurfaceAttrib(display, surface, EGL_SWAP_BEHAVIOR, EGL_BUFFER_PRESERVED); 93 94 EGLint error = eglGetError(); 95 if (error != EGL_SUCCESS) { 96 RENDERER_LOGD("Could not enable buffer preserved swap behavior (%x)", error); 97 } 98 99 return error == EGL_SUCCESS; 100} 101 102static jboolean android_view_GLES20Canvas_isBackBufferPreserved(JNIEnv* env, jobject clazz) { 103 EGLDisplay display = eglGetCurrentDisplay(); 104 EGLSurface surface = eglGetCurrentSurface(EGL_DRAW); 105 EGLint value; 106 107 eglGetError(); 108 eglQuerySurface(display, surface, EGL_SWAP_BEHAVIOR, &value); 109 110 EGLint error = eglGetError(); 111 if (error != EGL_SUCCESS) { 112 RENDERER_LOGD("Could not query buffer preserved swap behavior (%x)", error); 113 } 114 115 return error == EGL_SUCCESS && value == EGL_BUFFER_PRESERVED; 116} 117 118// ---------------------------------------------------------------------------- 119// Constructors 120// ---------------------------------------------------------------------------- 121 122static OpenGLRenderer* android_view_GLES20Canvas_createRenderer(JNIEnv* env, jobject clazz) { 123 RENDERER_LOGD("Create OpenGLRenderer"); 124 return new OpenGLRenderer; 125} 126 127static void android_view_GLES20Canvas_destroyRenderer(JNIEnv* env, jobject clazz, 128 OpenGLRenderer* renderer) { 129 RENDERER_LOGD("Destroy OpenGLRenderer"); 130 delete renderer; 131} 132 133// ---------------------------------------------------------------------------- 134// Setup 135// ---------------------------------------------------------------------------- 136 137static void android_view_GLES20Canvas_setViewport(JNIEnv* env, jobject clazz, 138 OpenGLRenderer* renderer, jint width, jint height) { 139 renderer->setViewport(width, height); 140} 141 142static void android_view_GLES20Canvas_prepare(JNIEnv* env, jobject clazz, 143 OpenGLRenderer* renderer, jboolean opaque) { 144 renderer->prepare(opaque); 145} 146 147static void android_view_GLES20Canvas_prepareDirty(JNIEnv* env, jobject clazz, 148 OpenGLRenderer* renderer, jint left, jint top, jint right, jint bottom, 149 jboolean opaque) { 150 renderer->prepareDirty(left, top, right, bottom, opaque); 151} 152 153static void android_view_GLES20Canvas_finish(JNIEnv* env, jobject clazz, 154 OpenGLRenderer* renderer) { 155 renderer->finish(); 156} 157 158static bool android_view_GLES20Canvas_callDrawGLFunction(JNIEnv* env, jobject clazz, 159 OpenGLRenderer* renderer, Functor *functor) { 160 android::uirenderer::Rect dirty; 161 return renderer->callDrawGLFunction(functor, dirty); 162} 163 164static jint android_view_GLES20Canvas_getMaxTextureWidth(JNIEnv* env, jobject clazz) { 165 return Caches::getInstance().maxTextureSize; 166} 167 168static jint android_view_GLES20Canvas_getMaxTextureHeight(JNIEnv* env, jobject clazz) { 169 return Caches::getInstance().maxTextureSize; 170} 171 172// ---------------------------------------------------------------------------- 173// State 174// ---------------------------------------------------------------------------- 175 176static jint android_view_GLES20Canvas_save(JNIEnv* env, jobject clazz, OpenGLRenderer* renderer, 177 jint flags) { 178 return renderer->save(flags); 179} 180 181static jint android_view_GLES20Canvas_getSaveCount(JNIEnv* env, jobject clazz, 182 OpenGLRenderer* renderer) { 183 return renderer->getSaveCount(); 184} 185 186static void android_view_GLES20Canvas_restore(JNIEnv* env, jobject clazz, 187 OpenGLRenderer* renderer) { 188 renderer->restore(); 189} 190 191static void android_view_GLES20Canvas_restoreToCount(JNIEnv* env, jobject clazz, 192 OpenGLRenderer* renderer, jint saveCount) { 193 renderer->restoreToCount(saveCount); 194} 195 196// ---------------------------------------------------------------------------- 197// Layers 198// ---------------------------------------------------------------------------- 199 200static jint android_view_GLES20Canvas_saveLayer(JNIEnv* env, jobject clazz, 201 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 202 SkPaint* paint, jint saveFlags) { 203 return renderer->saveLayer(left, top, right, bottom, paint, saveFlags); 204} 205 206static jint android_view_GLES20Canvas_saveLayerAlpha(JNIEnv* env, jobject clazz, 207 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 208 jint alpha, jint saveFlags) { 209 return renderer->saveLayerAlpha(left, top, right, bottom, alpha, saveFlags); 210} 211 212// ---------------------------------------------------------------------------- 213// Clipping 214// ---------------------------------------------------------------------------- 215 216static bool android_view_GLES20Canvas_quickReject(JNIEnv* env, jobject clazz, 217 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 218 SkCanvas::EdgeType edge) { 219 return renderer->quickReject(left, top, right, bottom); 220} 221 222static bool android_view_GLES20Canvas_clipRectF(JNIEnv* env, jobject clazz, 223 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 224 SkRegion::Op op) { 225 return renderer->clipRect(left, top, right, bottom, op); 226} 227 228static bool android_view_GLES20Canvas_clipRect(JNIEnv* env, jobject clazz, 229 OpenGLRenderer* renderer, jint left, jint top, jint right, jint bottom, 230 SkRegion::Op op) { 231 return renderer->clipRect(float(left), float(top), float(right), float(bottom), op); 232} 233 234static bool android_view_GLES20Canvas_getClipBounds(JNIEnv* env, jobject clazz, 235 OpenGLRenderer* renderer, jobject rect) { 236 const android::uirenderer::Rect& bounds(renderer->getClipBounds()); 237 238 env->CallVoidMethod(rect, gRectClassInfo.set, 239 int(bounds.left), int(bounds.top), int(bounds.right), int(bounds.bottom)); 240 241 return !bounds.isEmpty(); 242} 243 244// ---------------------------------------------------------------------------- 245// Transforms 246// ---------------------------------------------------------------------------- 247 248static void android_view_GLES20Canvas_translate(JNIEnv* env, jobject clazz, 249 OpenGLRenderer* renderer, jfloat dx, jfloat dy) { 250 renderer->translate(dx, dy); 251} 252 253static void android_view_GLES20Canvas_rotate(JNIEnv* env, jobject clazz, 254 OpenGLRenderer* renderer, jfloat degrees) { 255 renderer->rotate(degrees); 256} 257 258static void android_view_GLES20Canvas_scale(JNIEnv* env, jobject clazz, 259 OpenGLRenderer* renderer, jfloat sx, jfloat sy) { 260 renderer->scale(sx, sy); 261} 262 263static void android_view_GLES20Canvas_skew(JNIEnv* env, jobject clazz, 264 OpenGLRenderer* renderer, jfloat sx, jfloat sy) { 265 renderer->skew(sx, sy); 266} 267 268static void android_view_GLES20Canvas_setMatrix(JNIEnv* env, jobject clazz, 269 OpenGLRenderer* renderer, SkMatrix* matrix) { 270 renderer->setMatrix(matrix); 271} 272 273static const float* android_view_GLES20Canvas_getNativeMatrix(JNIEnv* env, 274 jobject clazz, OpenGLRenderer* renderer) { 275 return renderer->getMatrix(); 276} 277 278static void android_view_GLES20Canvas_getMatrix(JNIEnv* env, jobject clazz, 279 OpenGLRenderer* renderer, SkMatrix* matrix) { 280 renderer->getMatrix(matrix); 281} 282 283static void android_view_GLES20Canvas_concatMatrix(JNIEnv* env, jobject clazz, 284 OpenGLRenderer* renderer, SkMatrix* matrix) { 285 renderer->concatMatrix(matrix); 286} 287 288// ---------------------------------------------------------------------------- 289// Drawing 290// ---------------------------------------------------------------------------- 291 292static void android_view_GLES20Canvas_drawBitmap(JNIEnv* env, jobject clazz, 293 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, float left, 294 float top, SkPaint* paint) { 295 // This object allows the renderer to allocate a global JNI ref to the buffer object. 296 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 297 298 renderer->drawBitmap(bitmap, left, top, paint); 299} 300 301static void android_view_GLES20Canvas_drawBitmapRect(JNIEnv* env, jobject clazz, 302 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, 303 float srcLeft, float srcTop, float srcRight, float srcBottom, 304 float dstLeft, float dstTop, float dstRight, float dstBottom, SkPaint* paint) { 305 // This object allows the renderer to allocate a global JNI ref to the buffer object. 306 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 307 308 renderer->drawBitmap(bitmap, srcLeft, srcTop, srcRight, srcBottom, 309 dstLeft, dstTop, dstRight, dstBottom, paint); 310} 311 312static void android_view_GLES20Canvas_drawBitmapMatrix(JNIEnv* env, jobject clazz, 313 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, SkMatrix* matrix, 314 SkPaint* paint) { 315 // This object allows the renderer to allocate a global JNI ref to the buffer object. 316 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 317 318 renderer->drawBitmap(bitmap, matrix, paint); 319} 320 321static void android_view_GLES20Canvas_drawBitmapMesh(JNIEnv* env, jobject clazz, 322 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, 323 jint meshWidth, jint meshHeight, jfloatArray vertices, jint offset, 324 jintArray colors, jint colorOffset, SkPaint* paint) { 325 // This object allows the renderer to allocate a global JNI ref to the buffer object. 326 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 327 328 jfloat* verticesArray = vertices ? env->GetFloatArrayElements(vertices, NULL) + offset : NULL; 329 jint* colorsArray = colors ? env->GetIntArrayElements(colors, NULL) + colorOffset : NULL; 330 331 renderer->drawBitmapMesh(bitmap, meshWidth, meshHeight, verticesArray, colorsArray, paint); 332 333 if (vertices) env->ReleaseFloatArrayElements(vertices, verticesArray, 0); 334 if (colors) env->ReleaseIntArrayElements(colors, colorsArray, 0); 335} 336 337static void android_view_GLES20Canvas_drawPatch(JNIEnv* env, jobject clazz, 338 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, jbyteArray chunks, 339 float left, float top, float right, float bottom, SkPaint* paint) { 340 // This object allows the renderer to allocate a global JNI ref to the buffer object. 341 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 342 343 jbyte* storage = env->GetByteArrayElements(chunks, NULL); 344 Res_png_9patch* patch = reinterpret_cast<Res_png_9patch*>(storage); 345 Res_png_9patch::deserialize(patch); 346 347 renderer->drawPatch(bitmap, &patch->xDivs[0], &patch->yDivs[0], 348 &patch->colors[0], patch->numXDivs, patch->numYDivs, patch->numColors, 349 left, top, right, bottom, paint); 350 351 env->ReleaseByteArrayElements(chunks, storage, 0); 352} 353 354static void android_view_GLES20Canvas_drawColor(JNIEnv* env, jobject clazz, 355 OpenGLRenderer* renderer, jint color, SkXfermode::Mode mode) { 356 renderer->drawColor(color, mode); 357} 358 359static void android_view_GLES20Canvas_drawRect(JNIEnv* env, jobject clazz, 360 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 361 SkPaint* paint) { 362 renderer->drawRect(left, top, right, bottom, paint); 363} 364 365static void android_view_GLES20Canvas_drawRoundRect(JNIEnv* env, jobject clazz, 366 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 367 jfloat rx, jfloat ry, SkPaint* paint) { 368 renderer->drawRoundRect(left, top, right, bottom, rx, ry, paint); 369} 370 371static void android_view_GLES20Canvas_drawCircle(JNIEnv* env, jobject clazz, 372 OpenGLRenderer* renderer, jfloat x, jfloat y, jfloat radius, SkPaint* paint) { 373 renderer->drawCircle(x, y, radius, paint); 374} 375 376static void android_view_GLES20Canvas_drawOval(JNIEnv* env, jobject clazz, 377 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 378 SkPaint* paint) { 379 renderer->drawOval(left, top, right, bottom, paint); 380} 381 382static void android_view_GLES20Canvas_drawArc(JNIEnv* env, jobject clazz, 383 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 384 jfloat startAngle, jfloat sweepAngle, jboolean useCenter, SkPaint* paint) { 385 renderer->drawArc(left, top, right, bottom, startAngle, sweepAngle, useCenter, paint); 386} 387 388static void android_view_GLES20Canvas_drawRects(JNIEnv* env, jobject clazz, 389 OpenGLRenderer* renderer, SkRegion* region, SkPaint* paint) { 390 SkRegion::Iterator it(*region); 391 while (!it.done()) { 392 const SkIRect& r = it.rect(); 393 renderer->drawRect(r.fLeft, r.fTop, r.fRight, r.fBottom, paint); 394 it.next(); 395 } 396} 397 398static void android_view_GLES20Canvas_drawPoints(JNIEnv* env, jobject clazz, 399 OpenGLRenderer* renderer, jfloatArray points, jint offset, jint count, SkPaint* paint) { 400 jfloat* storage = env->GetFloatArrayElements(points, NULL); 401 renderer->drawPoints(storage + offset, count, paint); 402 env->ReleaseFloatArrayElements(points, storage, 0); 403} 404 405static void android_view_GLES20Canvas_drawPath(JNIEnv* env, jobject clazz, 406 OpenGLRenderer* renderer, SkPath* path, SkPaint* paint) { 407 renderer->drawPath(path, paint); 408} 409 410static void android_view_GLES20Canvas_drawLines(JNIEnv* env, jobject clazz, 411 OpenGLRenderer* renderer, jfloatArray points, jint offset, jint count, SkPaint* paint) { 412 jfloat* storage = env->GetFloatArrayElements(points, NULL); 413 renderer->drawLines(storage + offset, count, paint); 414 env->ReleaseFloatArrayElements(points, storage, 0); 415} 416 417// ---------------------------------------------------------------------------- 418// Shaders and color filters 419// ---------------------------------------------------------------------------- 420 421static void android_view_GLES20Canvas_resetModifiers(JNIEnv* env, jobject clazz, 422 OpenGLRenderer* renderer, jint modifiers) { 423 if (modifiers & MODIFIER_SHADOW) renderer->resetShadow(); 424 if (modifiers & MODIFIER_SHADER) renderer->resetShader(); 425 if (modifiers & MODIFIER_COLOR_FILTER) renderer->resetColorFilter(); 426} 427 428static void android_view_GLES20Canvas_setupShader(JNIEnv* env, jobject clazz, 429 OpenGLRenderer* renderer, SkiaShader* shader) { 430 renderer->setupShader(shader); 431} 432 433static void android_view_GLES20Canvas_setupColorFilter(JNIEnv* env, jobject clazz, 434 OpenGLRenderer* renderer, SkiaColorFilter* filter) { 435 renderer->setupColorFilter(filter); 436} 437 438static void android_view_GLES20Canvas_setupShadow(JNIEnv* env, jobject clazz, 439 OpenGLRenderer* renderer, jfloat radius, jfloat dx, jfloat dy, jint color) { 440 renderer->setupShadow(radius, dx, dy, color); 441} 442 443// ---------------------------------------------------------------------------- 444// Text 445// ---------------------------------------------------------------------------- 446 447static void renderText(OpenGLRenderer* renderer, const jchar* text, int count, 448 jfloat x, jfloat y, int flags, SkPaint* paint) { 449#if RTL_USE_HARFBUZZ 450 sp<TextLayoutCacheValue> value; 451#if USE_TEXT_LAYOUT_CACHE 452 value = gTextLayoutCache.getValue(paint, text, 0, count, count, flags); 453 if (value == NULL) { 454 LOGE("Cannot get TextLayoutCache value"); 455 return ; 456 } 457#else 458 value = new TextLayoutCacheValue(); 459 value->computeValues(paint, text, 0, count, count, flags); 460#endif 461#if DEBUG_GLYPHS 462 logGlyphs(value); 463#endif 464 const jchar* glyphArray = value->getGlyphs(); 465 int glyphCount = value->getGlyphsCount(); 466 int bytesCount = glyphCount * sizeof(jchar); 467 renderer->drawText((const char*) glyphArray, bytesCount, glyphCount, x, y, paint); 468#else 469 const jchar *workText; 470 jchar* buffer = NULL; 471 int32_t workBytes; 472 if (TextLayout::prepareText(paint, text, count, flags, &workText, &workBytes, &buffer)) { 473 renderer->drawText((const char*) workText, workBytes, count, x, y, paint); 474 free(buffer); 475 } 476#endif 477} 478 479static void renderTextRun(OpenGLRenderer* renderer, const jchar* text, 480 jint start, jint count, jint contextCount, jfloat x, jfloat y, 481 int flags, SkPaint* paint) { 482#if RTL_USE_HARFBUZZ 483 sp<TextLayoutCacheValue> value; 484#if USE_TEXT_LAYOUT_CACHE 485 value = gTextLayoutCache.getValue(paint, text, start, count, contextCount, flags); 486 if (value == NULL) { 487 LOGE("Cannot get TextLayoutCache value"); 488 return ; 489 } 490#else 491 value = new TextLayoutCacheValue(); 492 value->computeValues(paint, text, start, count, contextCount, flags); 493#endif 494#if DEBUG_GLYPHS 495 logGlyphs(value); 496#endif 497 const jchar* glyphArray = value->getGlyphs(); 498 int glyphCount = value->getGlyphsCount(); 499 int bytesCount = glyphCount * sizeof(jchar); 500 renderer->drawText((const char*) glyphArray, bytesCount, glyphCount, x, y, paint); 501#else 502 uint8_t rtl = flags & 0x1; 503 if (rtl) { 504 SkAutoSTMalloc<80, jchar> buffer(contextCount); 505 jchar* shaped = buffer.get(); 506 if (TextLayout::prepareRtlTextRun(text, start, count, contextCount, shaped)) { 507 renderer->drawText((const char*) shaped, count << 1, count, x, y, paint); 508 } else { 509 LOGW("drawTextRun error"); 510 } 511 } else { 512 renderer->drawText((const char*) (text + start), count << 1, count, x, y, paint); 513 } 514#endif 515} 516 517static void android_view_GLES20Canvas_drawTextArray(JNIEnv* env, jobject clazz, 518 OpenGLRenderer* renderer, jcharArray text, jint index, jint count, 519 jfloat x, jfloat y, jint flags, SkPaint* paint) { 520 jchar* textArray = env->GetCharArrayElements(text, NULL); 521 renderText(renderer, textArray + index, count, x, y, flags, paint); 522 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 523} 524 525static void android_view_GLES20Canvas_drawText(JNIEnv* env, jobject clazz, 526 OpenGLRenderer* renderer, jstring text, jint start, jint end, 527 jfloat x, jfloat y, jint flags, SkPaint* paint) { 528 const jchar* textArray = env->GetStringChars(text, NULL); 529 renderText(renderer, textArray + start, end - start, x, y, flags, paint); 530 env->ReleaseStringChars(text, textArray); 531} 532 533static void android_view_GLES20Canvas_drawTextRunArray(JNIEnv* env, jobject clazz, 534 OpenGLRenderer* renderer, jcharArray text, jint index, jint count, 535 jint contextIndex, jint contextCount, jfloat x, jfloat y, jint dirFlags, 536 SkPaint* paint) { 537 jchar* textArray = env->GetCharArrayElements(text, NULL); 538 renderTextRun(renderer, textArray + contextIndex, index - contextIndex, 539 count, contextCount, x, y, dirFlags, paint); 540 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 541 } 542 543static void android_view_GLES20Canvas_drawTextRun(JNIEnv* env, jobject clazz, 544 OpenGLRenderer* renderer, jstring text, jint start, jint end, 545 jint contextStart, int contextEnd, jfloat x, jfloat y, jint dirFlags, 546 SkPaint* paint) { 547 const jchar* textArray = env->GetStringChars(text, NULL); 548 jint count = end - start; 549 jint contextCount = contextEnd - contextStart; 550 renderTextRun(renderer, textArray + contextStart, start - contextStart, 551 count, contextCount, x, y, dirFlags, paint); 552 env->ReleaseStringChars(text, textArray); 553} 554 555// ---------------------------------------------------------------------------- 556// Display lists 557// ---------------------------------------------------------------------------- 558 559static DisplayList* android_view_GLES20Canvas_getDisplayList(JNIEnv* env, 560 jobject clazz, DisplayListRenderer* renderer) { 561 return renderer->getDisplayList(); 562} 563 564static OpenGLRenderer* android_view_GLES20Canvas_getDisplayListRenderer(JNIEnv* env, 565 jobject clazz, DisplayListRenderer* renderer) { 566 if (renderer == NULL) { 567 renderer = new DisplayListRenderer; 568 } else { 569 renderer->reset(); 570 } 571 return renderer; 572} 573 574static void android_view_GLES20Canvas_destroyDisplayList(JNIEnv* env, 575 jobject clazz, DisplayList* displayList) { 576 delete displayList; 577} 578 579static bool android_view_GLES20Canvas_drawDisplayList(JNIEnv* env, 580 jobject clazz, OpenGLRenderer* renderer, DisplayList* displayList, 581 jint width, jint height, jobject dirty) { 582 android::uirenderer::Rect bounds; 583 bool redraw = renderer->drawDisplayList(displayList, width, height, bounds); 584 if (redraw && dirty != NULL) { 585 env->CallVoidMethod(dirty, gRectClassInfo.set, 586 int(bounds.left), int(bounds.top), int(bounds.right), int(bounds.bottom)); 587 } 588 return redraw; 589} 590 591static void android_view_GLES20Canvas_outputDisplayList(JNIEnv* env, 592 jobject clazz, OpenGLRenderer* renderer, DisplayList* displayList) { 593 renderer->outputDisplayList(displayList); 594} 595 596// ---------------------------------------------------------------------------- 597// Layers 598// ---------------------------------------------------------------------------- 599 600static void android_view_GLES20Canvas_interrupt(JNIEnv* env, jobject clazz, 601 OpenGLRenderer* renderer) { 602 renderer->interrupt(); 603} 604 605static void android_view_GLES20Canvas_resume(JNIEnv* env, jobject clazz, 606 OpenGLRenderer* renderer) { 607 renderer->resume(); 608} 609 610static OpenGLRenderer* android_view_GLES20Canvas_createLayerRenderer(JNIEnv* env, 611 jobject clazz, Layer* layer) { 612 if (layer) { 613 return new LayerRenderer(layer); 614 } 615 return NULL; 616} 617 618static Layer* android_view_GLES20Canvas_createTextureLayer(JNIEnv* env, jobject clazz, 619 jboolean isOpaque, jintArray layerInfo) { 620 Layer* layer = LayerRenderer::createTextureLayer(isOpaque); 621 622 if (layer) { 623 jint* storage = env->GetIntArrayElements(layerInfo, NULL); 624 storage[0] = layer->texture; 625 env->ReleaseIntArrayElements(layerInfo, storage, 0); 626 } 627 628 return layer; 629} 630 631static Layer* android_view_GLES20Canvas_createLayer(JNIEnv* env, jobject clazz, 632 jint width, jint height, jboolean isOpaque, jintArray layerInfo) { 633 Layer* layer = LayerRenderer::createLayer(width, height, isOpaque); 634 635 if (layer) { 636 jint* storage = env->GetIntArrayElements(layerInfo, NULL); 637 storage[0] = layer->width; 638 storage[1] = layer->height; 639 env->ReleaseIntArrayElements(layerInfo, storage, 0); 640 } 641 642 return layer; 643} 644 645static void android_view_GLES20Canvas_resizeLayer(JNIEnv* env, jobject clazz, 646 Layer* layer, jint width, jint height, jintArray layerInfo) { 647 LayerRenderer::resizeLayer(layer, width, height); 648 649 jint* storage = env->GetIntArrayElements(layerInfo, NULL); 650 storage[0] = layer->width; 651 storage[1] = layer->height; 652 env->ReleaseIntArrayElements(layerInfo, storage, 0); 653} 654 655static void android_view_GLES20Canvas_updateTextureLayer(JNIEnv* env, jobject clazz, 656 Layer* layer, jint width, jint height, jboolean isOpaque, jobject surface) { 657 float transform[16]; 658 sp<SurfaceTexture> surfaceTexture(SurfaceTexture_getSurfaceTexture(env, surface)); 659 660 surfaceTexture->updateTexImage(); 661 surfaceTexture->getTransformMatrix(transform); 662 GLenum renderTarget = surfaceTexture->getCurrentTextureTarget(); 663 664 LayerRenderer::updateTextureLayer(layer, width, height, isOpaque, renderTarget, transform); 665} 666 667static void android_view_GLES20Canvas_destroyLayer(JNIEnv* env, jobject clazz, Layer* layer) { 668 LayerRenderer::destroyLayer(layer); 669} 670 671static void android_view_GLES20Canvas_destroyLayerDeferred(JNIEnv* env, 672 jobject clazz, Layer* layer) { 673 LayerRenderer::destroyLayerDeferred(layer); 674} 675 676static void android_view_GLES20Canvas_drawLayer(JNIEnv* env, jobject clazz, 677 OpenGLRenderer* renderer, Layer* layer, jfloat x, jfloat y, SkPaint* paint) { 678 renderer->drawLayer(layer, x, y, paint); 679} 680 681static jboolean android_view_GLES20Canvas_copyLayer(JNIEnv* env, jobject clazz, 682 Layer* layer, SkBitmap* bitmap) { 683 return LayerRenderer::copyLayer(layer, bitmap); 684} 685 686#endif // USE_OPENGL_RENDERER 687 688// ---------------------------------------------------------------------------- 689// Common 690// ---------------------------------------------------------------------------- 691 692static jboolean android_view_GLES20Canvas_isAvailable(JNIEnv* env, jobject clazz) { 693#ifdef USE_OPENGL_RENDERER 694 return JNI_TRUE; 695#else 696 return JNI_FALSE; 697#endif 698} 699 700// ---------------------------------------------------------------------------- 701// Logging 702// ---------------------------------------------------------------------------- 703 704static void 705android_app_ActivityThread_dumpGraphics(JNIEnv* env, jobject clazz, jobject javaFileDescriptor) 706{ 707#ifdef USE_OPENGL_RENDERER 708 int fd = jniGetFDFromFileDescriptor(env, javaFileDescriptor); 709 android::uirenderer::DisplayList::outputLogBuffer(fd); 710#endif // USE_OPENGL_RENDERER 711} 712 713// ---------------------------------------------------------------------------- 714// JNI Glue 715// ---------------------------------------------------------------------------- 716 717const char* const kClassPathName = "android/view/GLES20Canvas"; 718 719static JNINativeMethod gMethods[] = { 720 { "nIsAvailable", "()Z", (void*) android_view_GLES20Canvas_isAvailable }, 721 722#ifdef USE_OPENGL_RENDERER 723 { "nIsBackBufferPreserved", "()Z", (void*) android_view_GLES20Canvas_isBackBufferPreserved }, 724 { "nPreserveBackBuffer", "()Z", (void*) android_view_GLES20Canvas_preserveBackBuffer }, 725 726 { "nCreateRenderer", "()I", (void*) android_view_GLES20Canvas_createRenderer }, 727 { "nDestroyRenderer", "(I)V", (void*) android_view_GLES20Canvas_destroyRenderer }, 728 { "nSetViewport", "(III)V", (void*) android_view_GLES20Canvas_setViewport }, 729 { "nPrepare", "(IZ)V", (void*) android_view_GLES20Canvas_prepare }, 730 { "nPrepareDirty", "(IIIIIZ)V", (void*) android_view_GLES20Canvas_prepareDirty }, 731 { "nFinish", "(I)V", (void*) android_view_GLES20Canvas_finish }, 732 733 { "nCallDrawGLFunction", "(II)Z", 734 (void*) android_view_GLES20Canvas_callDrawGLFunction }, 735 736 { "nSave", "(II)I", (void*) android_view_GLES20Canvas_save }, 737 { "nRestore", "(I)V", (void*) android_view_GLES20Canvas_restore }, 738 { "nRestoreToCount", "(II)V", (void*) android_view_GLES20Canvas_restoreToCount }, 739 { "nGetSaveCount", "(I)I", (void*) android_view_GLES20Canvas_getSaveCount }, 740 741 { "nSaveLayer", "(IFFFFII)I", (void*) android_view_GLES20Canvas_saveLayer }, 742 { "nSaveLayerAlpha", "(IFFFFII)I", (void*) android_view_GLES20Canvas_saveLayerAlpha }, 743 744 { "nQuickReject", "(IFFFFI)Z", (void*) android_view_GLES20Canvas_quickReject }, 745 { "nClipRect", "(IFFFFI)Z", (void*) android_view_GLES20Canvas_clipRectF }, 746 { "nClipRect", "(IIIIII)Z", (void*) android_view_GLES20Canvas_clipRect }, 747 748 { "nTranslate", "(IFF)V", (void*) android_view_GLES20Canvas_translate }, 749 { "nRotate", "(IF)V", (void*) android_view_GLES20Canvas_rotate }, 750 { "nScale", "(IFF)V", (void*) android_view_GLES20Canvas_scale }, 751 { "nSkew", "(IFF)V", (void*) android_view_GLES20Canvas_skew }, 752 753 { "nSetMatrix", "(II)V", (void*) android_view_GLES20Canvas_setMatrix }, 754 { "nGetMatrix", "(I)I", (void*) android_view_GLES20Canvas_getNativeMatrix }, 755 { "nGetMatrix", "(II)V", (void*) android_view_GLES20Canvas_getMatrix }, 756 { "nConcatMatrix", "(II)V", (void*) android_view_GLES20Canvas_concatMatrix }, 757 758 { "nDrawBitmap", "(II[BFFI)V", (void*) android_view_GLES20Canvas_drawBitmap }, 759 { "nDrawBitmap", "(II[BFFFFFFFFI)V",(void*) android_view_GLES20Canvas_drawBitmapRect }, 760 { "nDrawBitmap", "(II[BII)V", (void*) android_view_GLES20Canvas_drawBitmapMatrix }, 761 762 { "nDrawBitmapMesh", "(II[BII[FI[III)V",(void*) android_view_GLES20Canvas_drawBitmapMesh }, 763 764 { "nDrawPatch", "(II[B[BFFFFI)V", (void*) android_view_GLES20Canvas_drawPatch }, 765 766 { "nDrawColor", "(III)V", (void*) android_view_GLES20Canvas_drawColor }, 767 { "nDrawRect", "(IFFFFI)V", (void*) android_view_GLES20Canvas_drawRect }, 768 { "nDrawRects", "(III)V", (void*) android_view_GLES20Canvas_drawRects }, 769 { "nDrawRoundRect", "(IFFFFFFI)V", (void*) android_view_GLES20Canvas_drawRoundRect }, 770 { "nDrawCircle", "(IFFFI)V", (void*) android_view_GLES20Canvas_drawCircle }, 771 { "nDrawOval", "(IFFFFI)V", (void*) android_view_GLES20Canvas_drawOval }, 772 { "nDrawArc", "(IFFFFFFZI)V", (void*) android_view_GLES20Canvas_drawArc }, 773 { "nDrawPoints", "(I[FIII)V", (void*) android_view_GLES20Canvas_drawPoints }, 774 775 { "nDrawPath", "(III)V", (void*) android_view_GLES20Canvas_drawPath }, 776 { "nDrawLines", "(I[FIII)V", (void*) android_view_GLES20Canvas_drawLines }, 777 778 { "nResetModifiers", "(II)V", (void*) android_view_GLES20Canvas_resetModifiers }, 779 { "nSetupShader", "(II)V", (void*) android_view_GLES20Canvas_setupShader }, 780 { "nSetupColorFilter", "(II)V", (void*) android_view_GLES20Canvas_setupColorFilter }, 781 { "nSetupShadow", "(IFFFI)V", (void*) android_view_GLES20Canvas_setupShadow }, 782 783 { "nDrawText", "(I[CIIFFII)V", (void*) android_view_GLES20Canvas_drawTextArray }, 784 { "nDrawText", "(ILjava/lang/String;IIFFII)V", 785 (void*) android_view_GLES20Canvas_drawText }, 786 787 { "nDrawTextRun", "(I[CIIIIFFII)V", (void*) android_view_GLES20Canvas_drawTextRunArray }, 788 { "nDrawTextRun", "(ILjava/lang/String;IIIIFFII)V", 789 (void*) android_view_GLES20Canvas_drawTextRun }, 790 791 { "nGetClipBounds", "(ILandroid/graphics/Rect;)Z", 792 (void*) android_view_GLES20Canvas_getClipBounds }, 793 794 { "nGetDisplayList", "(I)I", (void*) android_view_GLES20Canvas_getDisplayList }, 795 { "nDestroyDisplayList", "(I)V", (void*) android_view_GLES20Canvas_destroyDisplayList }, 796 { "nGetDisplayListRenderer", "(I)I", (void*) android_view_GLES20Canvas_getDisplayListRenderer }, 797 { "nDrawDisplayList", "(IIIILandroid/graphics/Rect;)Z", 798 (void*) android_view_GLES20Canvas_drawDisplayList }, 799 { "nOutputDisplayList", "(II)V", (void*) android_view_GLES20Canvas_outputDisplayList }, 800 { "nInterrupt", "(I)V", (void*) android_view_GLES20Canvas_interrupt }, 801 { "nResume", "(I)V", (void*) android_view_GLES20Canvas_resume }, 802 803 { "nCreateLayerRenderer", "(I)I", (void*) android_view_GLES20Canvas_createLayerRenderer }, 804 { "nCreateLayer", "(IIZ[I)I", (void*) android_view_GLES20Canvas_createLayer }, 805 { "nResizeLayer", "(III[I)V" , (void*) android_view_GLES20Canvas_resizeLayer }, 806 { "nCreateTextureLayer", "(Z[I)I", (void*) android_view_GLES20Canvas_createTextureLayer }, 807 { "nUpdateTextureLayer", "(IIIZLandroid/graphics/SurfaceTexture;)V", 808 (void*) android_view_GLES20Canvas_updateTextureLayer }, 809 { "nDestroyLayer", "(I)V", (void*) android_view_GLES20Canvas_destroyLayer }, 810 { "nDestroyLayerDeferred", "(I)V", (void*) android_view_GLES20Canvas_destroyLayerDeferred }, 811 { "nDrawLayer", "(IIFFI)V", (void*) android_view_GLES20Canvas_drawLayer }, 812 { "nCopyLayer", "(II)Z", (void*) android_view_GLES20Canvas_copyLayer }, 813 814 { "nGetMaximumTextureWidth", "()I", (void*) android_view_GLES20Canvas_getMaxTextureWidth }, 815 { "nGetMaximumTextureHeight", "()I", (void*) android_view_GLES20Canvas_getMaxTextureHeight }, 816 817#endif 818}; 819 820static JNINativeMethod gActivityThreadMethods[] = { 821 { "dumpGraphicsInfo", "(Ljava/io/FileDescriptor;)V", 822 (void*) android_app_ActivityThread_dumpGraphics } 823}; 824 825 826#ifdef USE_OPENGL_RENDERER 827 #define FIND_CLASS(var, className) \ 828 var = env->FindClass(className); \ 829 LOG_FATAL_IF(! var, "Unable to find class " className); 830 831 #define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) \ 832 var = env->GetMethodID(clazz, methodName, methodDescriptor); \ 833 LOG_FATAL_IF(! var, "Unable to find method " methodName); 834#else 835 #define FIND_CLASS(var, className) 836 #define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) 837#endif 838 839int register_android_view_GLES20Canvas(JNIEnv* env) { 840 jclass clazz; 841 FIND_CLASS(clazz, "android/graphics/Rect"); 842 GET_METHOD_ID(gRectClassInfo.set, clazz, "set", "(IIII)V"); 843 844 return AndroidRuntime::registerNativeMethods(env, kClassPathName, gMethods, NELEM(gMethods)); 845} 846 847const char* const kActivityThreadPathName = "android/app/ActivityThread"; 848 849int register_android_app_ActivityThread(JNIEnv* env) 850{ 851 return AndroidRuntime::registerNativeMethods( 852 env, kActivityThreadPathName, 853 gActivityThreadMethods, NELEM(gActivityThreadMethods)); 854} 855 856}; 857