android_view_GLES20Canvas.cpp revision 0bc6eb30bc09b4c49193229cf3c0de28341be6f4
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} 163 164// ---------------------------------------------------------------------------- 165// State 166// ---------------------------------------------------------------------------- 167 168static jint android_view_GLES20Canvas_save(JNIEnv* env, jobject clazz, OpenGLRenderer* renderer, 169 jint flags) { 170 return renderer->save(flags); 171} 172 173static jint android_view_GLES20Canvas_getSaveCount(JNIEnv* env, jobject clazz, 174 OpenGLRenderer* renderer) { 175 return renderer->getSaveCount(); 176} 177 178static void android_view_GLES20Canvas_restore(JNIEnv* env, jobject clazz, 179 OpenGLRenderer* renderer) { 180 renderer->restore(); 181} 182 183static void android_view_GLES20Canvas_restoreToCount(JNIEnv* env, jobject clazz, 184 OpenGLRenderer* renderer, jint saveCount) { 185 renderer->restoreToCount(saveCount); 186} 187 188// ---------------------------------------------------------------------------- 189// Layers 190// ---------------------------------------------------------------------------- 191 192static jint android_view_GLES20Canvas_saveLayer(JNIEnv* env, jobject clazz, 193 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 194 SkPaint* paint, jint saveFlags) { 195 return renderer->saveLayer(left, top, right, bottom, paint, saveFlags); 196} 197 198static jint android_view_GLES20Canvas_saveLayerAlpha(JNIEnv* env, jobject clazz, 199 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 200 jint alpha, jint saveFlags) { 201 return renderer->saveLayerAlpha(left, top, right, bottom, alpha, saveFlags); 202} 203 204// ---------------------------------------------------------------------------- 205// Clipping 206// ---------------------------------------------------------------------------- 207 208static bool android_view_GLES20Canvas_quickReject(JNIEnv* env, jobject clazz, 209 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 210 SkCanvas::EdgeType edge) { 211 return renderer->quickReject(left, top, right, bottom); 212} 213 214static bool android_view_GLES20Canvas_clipRectF(JNIEnv* env, jobject clazz, 215 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 216 SkRegion::Op op) { 217 return renderer->clipRect(left, top, right, bottom, op); 218} 219 220static bool android_view_GLES20Canvas_clipRect(JNIEnv* env, jobject clazz, 221 OpenGLRenderer* renderer, jint left, jint top, jint right, jint bottom, 222 SkRegion::Op op) { 223 return renderer->clipRect(float(left), float(top), float(right), float(bottom), op); 224} 225 226static bool android_view_GLES20Canvas_getClipBounds(JNIEnv* env, jobject clazz, 227 OpenGLRenderer* renderer, jobject rect) { 228 const android::uirenderer::Rect& bounds(renderer->getClipBounds()); 229 230 env->CallVoidMethod(rect, gRectClassInfo.set, 231 int(bounds.left), int(bounds.top), int(bounds.right), int(bounds.bottom)); 232 233 return !bounds.isEmpty(); 234} 235 236// ---------------------------------------------------------------------------- 237// Transforms 238// ---------------------------------------------------------------------------- 239 240static void android_view_GLES20Canvas_translate(JNIEnv* env, jobject clazz, 241 OpenGLRenderer* renderer, jfloat dx, jfloat dy) { 242 renderer->translate(dx, dy); 243} 244 245static void android_view_GLES20Canvas_rotate(JNIEnv* env, jobject clazz, 246 OpenGLRenderer* renderer, jfloat degrees) { 247 renderer->rotate(degrees); 248} 249 250static void android_view_GLES20Canvas_scale(JNIEnv* env, jobject clazz, 251 OpenGLRenderer* renderer, jfloat sx, jfloat sy) { 252 renderer->scale(sx, sy); 253} 254 255static void android_view_GLES20Canvas_skew(JNIEnv* env, jobject clazz, 256 OpenGLRenderer* renderer, jfloat sx, jfloat sy) { 257 renderer->skew(sx, sy); 258} 259 260static void android_view_GLES20Canvas_setMatrix(JNIEnv* env, jobject clazz, 261 OpenGLRenderer* renderer, SkMatrix* matrix) { 262 renderer->setMatrix(matrix); 263} 264 265static const float* android_view_GLES20Canvas_getNativeMatrix(JNIEnv* env, 266 jobject clazz, OpenGLRenderer* renderer) { 267 return renderer->getMatrix(); 268} 269 270static void android_view_GLES20Canvas_getMatrix(JNIEnv* env, jobject clazz, 271 OpenGLRenderer* renderer, SkMatrix* matrix) { 272 renderer->getMatrix(matrix); 273} 274 275static void android_view_GLES20Canvas_concatMatrix(JNIEnv* env, jobject clazz, 276 OpenGLRenderer* renderer, SkMatrix* matrix) { 277 renderer->concatMatrix(matrix); 278} 279 280// ---------------------------------------------------------------------------- 281// Drawing 282// ---------------------------------------------------------------------------- 283 284static void android_view_GLES20Canvas_drawBitmap(JNIEnv* env, jobject clazz, 285 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, float left, 286 float top, SkPaint* paint) { 287 // This object allows the renderer to allocate a global JNI ref to the buffer object. 288 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 289 290 renderer->drawBitmap(bitmap, left, top, paint); 291} 292 293static void android_view_GLES20Canvas_drawBitmapRect(JNIEnv* env, jobject clazz, 294 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, 295 float srcLeft, float srcTop, float srcRight, float srcBottom, 296 float dstLeft, float dstTop, float dstRight, float dstBottom, SkPaint* paint) { 297 // This object allows the renderer to allocate a global JNI ref to the buffer object. 298 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 299 300 renderer->drawBitmap(bitmap, srcLeft, srcTop, srcRight, srcBottom, 301 dstLeft, dstTop, dstRight, dstBottom, paint); 302} 303 304static void android_view_GLES20Canvas_drawBitmapMatrix(JNIEnv* env, jobject clazz, 305 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, SkMatrix* matrix, 306 SkPaint* paint) { 307 // This object allows the renderer to allocate a global JNI ref to the buffer object. 308 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 309 310 renderer->drawBitmap(bitmap, matrix, paint); 311} 312 313static void android_view_GLES20Canvas_drawBitmapMesh(JNIEnv* env, jobject clazz, 314 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, 315 jint meshWidth, jint meshHeight, jfloatArray vertices, jint offset, 316 jintArray colors, jint colorOffset, SkPaint* paint) { 317 // This object allows the renderer to allocate a global JNI ref to the buffer object. 318 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 319 320 jfloat* verticesArray = vertices ? env->GetFloatArrayElements(vertices, NULL) + offset : NULL; 321 jint* colorsArray = colors ? env->GetIntArrayElements(colors, NULL) + colorOffset : NULL; 322 323 renderer->drawBitmapMesh(bitmap, meshWidth, meshHeight, verticesArray, colorsArray, paint); 324 325 if (vertices) env->ReleaseFloatArrayElements(vertices, verticesArray, 0); 326 if (colors) env->ReleaseIntArrayElements(colors, colorsArray, 0); 327} 328 329static void android_view_GLES20Canvas_drawPatch(JNIEnv* env, jobject clazz, 330 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, jbyteArray chunks, 331 float left, float top, float right, float bottom, SkPaint* paint) { 332 // This object allows the renderer to allocate a global JNI ref to the buffer object. 333 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 334 335 jbyte* storage = env->GetByteArrayElements(chunks, NULL); 336 Res_png_9patch* patch = reinterpret_cast<Res_png_9patch*>(storage); 337 Res_png_9patch::deserialize(patch); 338 339 renderer->drawPatch(bitmap, &patch->xDivs[0], &patch->yDivs[0], 340 &patch->colors[0], patch->numXDivs, patch->numYDivs, patch->numColors, 341 left, top, right, bottom, paint); 342 343 env->ReleaseByteArrayElements(chunks, storage, 0); 344} 345 346static void android_view_GLES20Canvas_drawColor(JNIEnv* env, jobject clazz, 347 OpenGLRenderer* renderer, jint color, SkXfermode::Mode mode) { 348 renderer->drawColor(color, mode); 349} 350 351static void android_view_GLES20Canvas_drawRect(JNIEnv* env, jobject clazz, 352 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 353 SkPaint* paint) { 354 renderer->drawRect(left, top, right, bottom, paint); 355} 356 357static void android_view_GLES20Canvas_drawRoundRect(JNIEnv* env, jobject clazz, 358 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 359 jfloat rx, jfloat ry, SkPaint* paint) { 360 renderer->drawRoundRect(left, top, right, bottom, rx, ry, paint); 361} 362 363static void android_view_GLES20Canvas_drawCircle(JNIEnv* env, jobject clazz, 364 OpenGLRenderer* renderer, jfloat x, jfloat y, jfloat radius, SkPaint* paint) { 365 renderer->drawCircle(x, y, radius, paint); 366} 367 368static void android_view_GLES20Canvas_drawOval(JNIEnv* env, jobject clazz, 369 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 370 SkPaint* paint) { 371 renderer->drawOval(left, top, right, bottom, paint); 372} 373 374static void android_view_GLES20Canvas_drawArc(JNIEnv* env, jobject clazz, 375 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 376 jfloat startAngle, jfloat sweepAngle, jboolean useCenter, SkPaint* paint) { 377 renderer->drawArc(left, top, right, bottom, startAngle, sweepAngle, useCenter, paint); 378} 379 380static void android_view_GLES20Canvas_drawRects(JNIEnv* env, jobject clazz, 381 OpenGLRenderer* renderer, SkRegion* region, SkPaint* paint) { 382 SkRegion::Iterator it(*region); 383 while (!it.done()) { 384 const SkIRect& r = it.rect(); 385 renderer->drawRect(r.fLeft, r.fTop, r.fRight, r.fBottom, paint); 386 it.next(); 387 } 388} 389 390static void android_view_GLES20Canvas_drawPoints(JNIEnv* env, jobject clazz, 391 OpenGLRenderer* renderer, jfloatArray points, jint offset, jint count, SkPaint* paint) { 392 jfloat* storage = env->GetFloatArrayElements(points, NULL); 393 renderer->drawPoints(storage + offset, count, paint); 394 env->ReleaseFloatArrayElements(points, storage, 0); 395} 396 397static void android_view_GLES20Canvas_drawPath(JNIEnv* env, jobject clazz, 398 OpenGLRenderer* renderer, SkPath* path, SkPaint* paint) { 399 renderer->drawPath(path, paint); 400} 401 402static void android_view_GLES20Canvas_drawLines(JNIEnv* env, jobject clazz, 403 OpenGLRenderer* renderer, jfloatArray points, jint offset, jint count, SkPaint* paint) { 404 jfloat* storage = env->GetFloatArrayElements(points, NULL); 405 renderer->drawLines(storage + offset, count, paint); 406 env->ReleaseFloatArrayElements(points, storage, 0); 407} 408 409// ---------------------------------------------------------------------------- 410// Shaders and color filters 411// ---------------------------------------------------------------------------- 412 413static void android_view_GLES20Canvas_resetModifiers(JNIEnv* env, jobject clazz, 414 OpenGLRenderer* renderer, jint modifiers) { 415 if (modifiers & MODIFIER_SHADOW) renderer->resetShadow(); 416 if (modifiers & MODIFIER_SHADER) renderer->resetShader(); 417 if (modifiers & MODIFIER_COLOR_FILTER) renderer->resetColorFilter(); 418} 419 420static void android_view_GLES20Canvas_setupShader(JNIEnv* env, jobject clazz, 421 OpenGLRenderer* renderer, SkiaShader* shader) { 422 renderer->setupShader(shader); 423} 424 425static void android_view_GLES20Canvas_setupColorFilter(JNIEnv* env, jobject clazz, 426 OpenGLRenderer* renderer, SkiaColorFilter* filter) { 427 renderer->setupColorFilter(filter); 428} 429 430static void android_view_GLES20Canvas_setupShadow(JNIEnv* env, jobject clazz, 431 OpenGLRenderer* renderer, jfloat radius, jfloat dx, jfloat dy, jint color) { 432 renderer->setupShadow(radius, dx, dy, color); 433} 434 435// ---------------------------------------------------------------------------- 436// Text 437// ---------------------------------------------------------------------------- 438 439static void renderText(OpenGLRenderer* renderer, const jchar* text, int count, 440 jfloat x, jfloat y, int flags, SkPaint* paint) { 441#if RTL_USE_HARFBUZZ 442 sp<TextLayoutCacheValue> value; 443#if USE_TEXT_LAYOUT_CACHE 444 value = gTextLayoutCache.getValue(paint, text, 0, count, count, flags); 445 if (value == NULL) { 446 LOGE("Cannot get TextLayoutCache value"); 447 return ; 448 } 449#else 450 value = new TextLayoutCacheValue(); 451 value->computeValues(paint, text, 0, count, count, flags); 452#endif 453#if DEBUG_GLYPHS 454 logGlyphs(value); 455#endif 456 const jchar* glyphArray = value->getGlyphs(); 457 int glyphCount = value->getGlyphsCount(); 458 int bytesCount = glyphCount * sizeof(jchar); 459 renderer->drawText((const char*) glyphArray, bytesCount, glyphCount, x, y, paint); 460#else 461 const jchar *workText; 462 jchar* buffer = NULL; 463 int32_t workBytes; 464 if (TextLayout::prepareText(paint, text, count, flags, &workText, &workBytes, &buffer)) { 465 renderer->drawText((const char*) workText, workBytes, count, x, y, paint); 466 free(buffer); 467 } 468#endif 469} 470 471static void renderTextRun(OpenGLRenderer* renderer, const jchar* text, 472 jint start, jint count, jint contextCount, jfloat x, jfloat y, 473 int flags, SkPaint* paint) { 474#if RTL_USE_HARFBUZZ 475 sp<TextLayoutCacheValue> value; 476#if USE_TEXT_LAYOUT_CACHE 477 value = gTextLayoutCache.getValue(paint, text, start, count, contextCount, flags); 478 if (value == NULL) { 479 LOGE("Cannot get TextLayoutCache value"); 480 return ; 481 } 482#else 483 value = new TextLayoutCacheValue(); 484 value->computeValues(paint, text, start, count, contextCount, flags); 485#endif 486#if DEBUG_GLYPHS 487 logGlyphs(value); 488#endif 489 const jchar* glyphArray = value->getGlyphs(); 490 int glyphCount = value->getGlyphsCount(); 491 int bytesCount = glyphCount * sizeof(jchar); 492 renderer->drawText((const char*) glyphArray, bytesCount, glyphCount, x, y, paint); 493#else 494 uint8_t rtl = flags & 0x1; 495 if (rtl) { 496 SkAutoSTMalloc<80, jchar> buffer(contextCount); 497 jchar* shaped = buffer.get(); 498 if (TextLayout::prepareRtlTextRun(text, start, count, contextCount, shaped)) { 499 renderer->drawText((const char*) shaped, count << 1, count, x, y, paint); 500 } else { 501 LOGW("drawTextRun error"); 502 } 503 } else { 504 renderer->drawText((const char*) (text + start), count << 1, count, x, y, paint); 505 } 506#endif 507} 508 509static void android_view_GLES20Canvas_drawTextArray(JNIEnv* env, jobject clazz, 510 OpenGLRenderer* renderer, jcharArray text, jint index, jint count, 511 jfloat x, jfloat y, jint flags, SkPaint* paint) { 512 jchar* textArray = env->GetCharArrayElements(text, NULL); 513 renderText(renderer, textArray + index, count, x, y, flags, paint); 514 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 515} 516 517static void android_view_GLES20Canvas_drawText(JNIEnv* env, jobject clazz, 518 OpenGLRenderer* renderer, jstring text, jint start, jint end, 519 jfloat x, jfloat y, jint flags, SkPaint* paint) { 520 const jchar* textArray = env->GetStringChars(text, NULL); 521 renderText(renderer, textArray + start, end - start, x, y, flags, paint); 522 env->ReleaseStringChars(text, textArray); 523} 524 525static void android_view_GLES20Canvas_drawTextRunArray(JNIEnv* env, jobject clazz, 526 OpenGLRenderer* renderer, jcharArray text, jint index, jint count, 527 jint contextIndex, jint contextCount, jfloat x, jfloat y, jint dirFlags, 528 SkPaint* paint) { 529 jchar* textArray = env->GetCharArrayElements(text, NULL); 530 renderTextRun(renderer, textArray + contextIndex, index - contextIndex, 531 count, contextCount, x, y, dirFlags, paint); 532 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 533 } 534 535static void android_view_GLES20Canvas_drawTextRun(JNIEnv* env, jobject clazz, 536 OpenGLRenderer* renderer, jstring text, jint start, jint end, 537 jint contextStart, int contextEnd, jfloat x, jfloat y, jint dirFlags, 538 SkPaint* paint) { 539 const jchar* textArray = env->GetStringChars(text, NULL); 540 jint count = end - start; 541 jint contextCount = contextEnd - contextStart; 542 renderTextRun(renderer, textArray + contextStart, start - contextStart, 543 count, contextCount, x, y, dirFlags, paint); 544 env->ReleaseStringChars(text, textArray); 545} 546 547// ---------------------------------------------------------------------------- 548// Display lists 549// ---------------------------------------------------------------------------- 550 551static DisplayList* android_view_GLES20Canvas_getDisplayList(JNIEnv* env, 552 jobject clazz, DisplayListRenderer* renderer) { 553 return renderer->getDisplayList(); 554} 555 556static OpenGLRenderer* android_view_GLES20Canvas_getDisplayListRenderer(JNIEnv* env, 557 jobject clazz, DisplayListRenderer* renderer) { 558 if (renderer == NULL) { 559 renderer = new DisplayListRenderer; 560 } else { 561 renderer->reset(); 562 } 563 return renderer; 564} 565 566static void android_view_GLES20Canvas_destroyDisplayList(JNIEnv* env, 567 jobject clazz, DisplayList* displayList) { 568 delete displayList; 569} 570 571static bool android_view_GLES20Canvas_drawDisplayList(JNIEnv* env, 572 jobject clazz, OpenGLRenderer* renderer, DisplayList* displayList, 573 jint width, jint height, jobject dirty) { 574 android::uirenderer::Rect bounds; 575 bool redraw = renderer->drawDisplayList(displayList, width, height, bounds); 576 if (redraw && dirty != NULL) { 577 env->CallVoidMethod(dirty, gRectClassInfo.set, 578 int(bounds.left), int(bounds.top), int(bounds.right), int(bounds.bottom)); 579 } 580 return redraw; 581} 582 583static void android_view_GLES20Canvas_outputDisplayList(JNIEnv* env, 584 jobject clazz, OpenGLRenderer* renderer, DisplayList* displayList) { 585 renderer->outputDisplayList(displayList); 586} 587 588// ---------------------------------------------------------------------------- 589// Layers 590// ---------------------------------------------------------------------------- 591 592static void android_view_GLES20Canvas_interrupt(JNIEnv* env, jobject clazz, 593 OpenGLRenderer* renderer) { 594 renderer->interrupt(); 595} 596 597static void android_view_GLES20Canvas_resume(JNIEnv* env, jobject clazz, 598 OpenGLRenderer* renderer) { 599 renderer->resume(); 600} 601 602static OpenGLRenderer* android_view_GLES20Canvas_createLayerRenderer(JNIEnv* env, 603 jobject clazz, Layer* layer) { 604 if (layer) { 605 return new LayerRenderer(layer); 606 } 607 return NULL; 608} 609 610static Layer* android_view_GLES20Canvas_createTextureLayer(JNIEnv* env, jobject clazz, 611 jintArray layerInfo) { 612 Layer* layer = LayerRenderer::createTextureLayer(); 613 614 if (layer) { 615 jint* storage = env->GetIntArrayElements(layerInfo, NULL); 616 storage[0] = layer->texture; 617 env->ReleaseIntArrayElements(layerInfo, storage, 0); 618 } 619 620 return layer; 621} 622 623static Layer* android_view_GLES20Canvas_createLayer(JNIEnv* env, jobject clazz, 624 jint width, jint height, jboolean isOpaque, jintArray layerInfo) { 625 Layer* layer = LayerRenderer::createLayer(width, height, isOpaque); 626 627 if (layer) { 628 jint* storage = env->GetIntArrayElements(layerInfo, NULL); 629 storage[0] = layer->width; 630 storage[1] = layer->height; 631 env->ReleaseIntArrayElements(layerInfo, storage, 0); 632 } 633 634 return layer; 635} 636 637static void android_view_GLES20Canvas_resizeLayer(JNIEnv* env, jobject clazz, 638 Layer* layer, jint width, jint height, jintArray layerInfo) { 639 LayerRenderer::resizeLayer(layer, width, height); 640 641 jint* storage = env->GetIntArrayElements(layerInfo, NULL); 642 storage[0] = layer->width; 643 storage[1] = layer->height; 644 env->ReleaseIntArrayElements(layerInfo, storage, 0); 645} 646 647static void android_view_GLES20Canvas_updateTextureLayer(JNIEnv* env, jobject clazz, 648 Layer* layer, jint width, jint height, jobject surface) { 649 float transform[16]; 650 sp<SurfaceTexture> surfaceTexture(SurfaceTexture_getSurfaceTexture(env, surface)); 651 652 while (surfaceTexture->getQueuedCount() > 0) 653 surfaceTexture->updateTexImage(); 654 surfaceTexture->getTransformMatrix(transform); 655 GLenum renderTarget = surfaceTexture->getCurrentTextureTarget(); 656 657 LayerRenderer::updateTextureLayer(layer, width, height, renderTarget, transform); 658} 659 660static void android_view_GLES20Canvas_destroyLayer(JNIEnv* env, jobject clazz, Layer* layer) { 661 LayerRenderer::destroyLayer(layer); 662} 663 664static void android_view_GLES20Canvas_destroyLayerDeferred(JNIEnv* env, 665 jobject clazz, Layer* layer) { 666 LayerRenderer::destroyLayerDeferred(layer); 667} 668 669static void android_view_GLES20Canvas_drawLayer(JNIEnv* env, jobject clazz, 670 OpenGLRenderer* renderer, Layer* layer, jfloat x, jfloat y, SkPaint* paint) { 671 renderer->drawLayer(layer, x, y, paint); 672} 673 674static jboolean android_view_GLES20Canvas_copyLayer(JNIEnv* env, jobject clazz, 675 Layer* layer, SkBitmap* bitmap) { 676 return LayerRenderer::copyLayer(layer, bitmap); 677} 678 679#endif // USE_OPENGL_RENDERER 680 681// ---------------------------------------------------------------------------- 682// Common 683// ---------------------------------------------------------------------------- 684 685static jboolean android_view_GLES20Canvas_isAvailable(JNIEnv* env, jobject clazz) { 686#ifdef USE_OPENGL_RENDERER 687 return JNI_TRUE; 688#else 689 return JNI_FALSE; 690#endif 691} 692 693// ---------------------------------------------------------------------------- 694// Logging 695// ---------------------------------------------------------------------------- 696 697static void 698android_app_ActivityThread_dumpGraphics(JNIEnv* env, jobject clazz, jobject javaFileDescriptor) 699{ 700#ifdef USE_OPENGL_RENDERER 701 int fd = jniGetFDFromFileDescriptor(env, javaFileDescriptor); 702 android::uirenderer::DisplayList::outputLogBuffer(fd); 703#endif // USE_OPENGL_RENDERER 704} 705 706// ---------------------------------------------------------------------------- 707// JNI Glue 708// ---------------------------------------------------------------------------- 709 710const char* const kClassPathName = "android/view/GLES20Canvas"; 711 712static JNINativeMethod gMethods[] = { 713 { "nIsAvailable", "()Z", (void*) android_view_GLES20Canvas_isAvailable }, 714 715#ifdef USE_OPENGL_RENDERER 716 { "nIsBackBufferPreserved", "()Z", (void*) android_view_GLES20Canvas_isBackBufferPreserved }, 717 { "nPreserveBackBuffer", "()Z", (void*) android_view_GLES20Canvas_preserveBackBuffer }, 718 719 { "nCreateRenderer", "()I", (void*) android_view_GLES20Canvas_createRenderer }, 720 { "nDestroyRenderer", "(I)V", (void*) android_view_GLES20Canvas_destroyRenderer }, 721 { "nSetViewport", "(III)V", (void*) android_view_GLES20Canvas_setViewport }, 722 { "nPrepare", "(IZ)V", (void*) android_view_GLES20Canvas_prepare }, 723 { "nPrepareDirty", "(IIIIIZ)V", (void*) android_view_GLES20Canvas_prepareDirty }, 724 { "nFinish", "(I)V", (void*) android_view_GLES20Canvas_finish }, 725 726 { "nCallDrawGLFunction", "(II)Z", 727 (void*) android_view_GLES20Canvas_callDrawGLFunction }, 728 729 { "nSave", "(II)I", (void*) android_view_GLES20Canvas_save }, 730 { "nRestore", "(I)V", (void*) android_view_GLES20Canvas_restore }, 731 { "nRestoreToCount", "(II)V", (void*) android_view_GLES20Canvas_restoreToCount }, 732 { "nGetSaveCount", "(I)I", (void*) android_view_GLES20Canvas_getSaveCount }, 733 734 { "nSaveLayer", "(IFFFFII)I", (void*) android_view_GLES20Canvas_saveLayer }, 735 { "nSaveLayerAlpha", "(IFFFFII)I", (void*) android_view_GLES20Canvas_saveLayerAlpha }, 736 737 { "nQuickReject", "(IFFFFI)Z", (void*) android_view_GLES20Canvas_quickReject }, 738 { "nClipRect", "(IFFFFI)Z", (void*) android_view_GLES20Canvas_clipRectF }, 739 { "nClipRect", "(IIIIII)Z", (void*) android_view_GLES20Canvas_clipRect }, 740 741 { "nTranslate", "(IFF)V", (void*) android_view_GLES20Canvas_translate }, 742 { "nRotate", "(IF)V", (void*) android_view_GLES20Canvas_rotate }, 743 { "nScale", "(IFF)V", (void*) android_view_GLES20Canvas_scale }, 744 { "nSkew", "(IFF)V", (void*) android_view_GLES20Canvas_skew }, 745 746 { "nSetMatrix", "(II)V", (void*) android_view_GLES20Canvas_setMatrix }, 747 { "nGetMatrix", "(I)I", (void*) android_view_GLES20Canvas_getNativeMatrix }, 748 { "nGetMatrix", "(II)V", (void*) android_view_GLES20Canvas_getMatrix }, 749 { "nConcatMatrix", "(II)V", (void*) android_view_GLES20Canvas_concatMatrix }, 750 751 { "nDrawBitmap", "(II[BFFI)V", (void*) android_view_GLES20Canvas_drawBitmap }, 752 { "nDrawBitmap", "(II[BFFFFFFFFI)V",(void*) android_view_GLES20Canvas_drawBitmapRect }, 753 { "nDrawBitmap", "(II[BII)V", (void*) android_view_GLES20Canvas_drawBitmapMatrix }, 754 755 { "nDrawBitmapMesh", "(II[BII[FI[III)V",(void*) android_view_GLES20Canvas_drawBitmapMesh }, 756 757 { "nDrawPatch", "(II[B[BFFFFI)V", (void*) android_view_GLES20Canvas_drawPatch }, 758 759 { "nDrawColor", "(III)V", (void*) android_view_GLES20Canvas_drawColor }, 760 { "nDrawRect", "(IFFFFI)V", (void*) android_view_GLES20Canvas_drawRect }, 761 { "nDrawRects", "(III)V", (void*) android_view_GLES20Canvas_drawRects }, 762 { "nDrawRoundRect", "(IFFFFFFI)V", (void*) android_view_GLES20Canvas_drawRoundRect }, 763 { "nDrawCircle", "(IFFFI)V", (void*) android_view_GLES20Canvas_drawCircle }, 764 { "nDrawOval", "(IFFFFI)V", (void*) android_view_GLES20Canvas_drawOval }, 765 { "nDrawArc", "(IFFFFFFZI)V", (void*) android_view_GLES20Canvas_drawArc }, 766 { "nDrawPoints", "(I[FIII)V", (void*) android_view_GLES20Canvas_drawPoints }, 767 768 { "nDrawPath", "(III)V", (void*) android_view_GLES20Canvas_drawPath }, 769 { "nDrawLines", "(I[FIII)V", (void*) android_view_GLES20Canvas_drawLines }, 770 771 { "nResetModifiers", "(II)V", (void*) android_view_GLES20Canvas_resetModifiers }, 772 { "nSetupShader", "(II)V", (void*) android_view_GLES20Canvas_setupShader }, 773 { "nSetupColorFilter", "(II)V", (void*) android_view_GLES20Canvas_setupColorFilter }, 774 { "nSetupShadow", "(IFFFI)V", (void*) android_view_GLES20Canvas_setupShadow }, 775 776 { "nDrawText", "(I[CIIFFII)V", (void*) android_view_GLES20Canvas_drawTextArray }, 777 { "nDrawText", "(ILjava/lang/String;IIFFII)V", 778 (void*) android_view_GLES20Canvas_drawText }, 779 780 { "nDrawTextRun", "(I[CIIIIFFII)V", (void*) android_view_GLES20Canvas_drawTextRunArray }, 781 { "nDrawTextRun", "(ILjava/lang/String;IIIIFFII)V", 782 (void*) android_view_GLES20Canvas_drawTextRun }, 783 784 { "nGetClipBounds", "(ILandroid/graphics/Rect;)Z", 785 (void*) android_view_GLES20Canvas_getClipBounds }, 786 787 { "nGetDisplayList", "(I)I", (void*) android_view_GLES20Canvas_getDisplayList }, 788 { "nDestroyDisplayList", "(I)V", (void*) android_view_GLES20Canvas_destroyDisplayList }, 789 { "nGetDisplayListRenderer", "(I)I", (void*) android_view_GLES20Canvas_getDisplayListRenderer }, 790 { "nDrawDisplayList", "(IIIILandroid/graphics/Rect;)Z", 791 (void*) android_view_GLES20Canvas_drawDisplayList }, 792 { "nOutputDisplayList", "(II)V", (void*) android_view_GLES20Canvas_outputDisplayList }, 793 { "nInterrupt", "(I)V", (void*) android_view_GLES20Canvas_interrupt }, 794 { "nResume", "(I)V", (void*) android_view_GLES20Canvas_resume }, 795 796 { "nCreateLayerRenderer", "(I)I", (void*) android_view_GLES20Canvas_createLayerRenderer }, 797 { "nCreateLayer", "(IIZ[I)I", (void*) android_view_GLES20Canvas_createLayer }, 798 { "nResizeLayer", "(III[I)V" , (void*) android_view_GLES20Canvas_resizeLayer }, 799 { "nCreateTextureLayer", "([I)I", (void*) android_view_GLES20Canvas_createTextureLayer }, 800 { "nUpdateTextureLayer", "(IIILandroid/graphics/SurfaceTexture;)V", 801 (void*) android_view_GLES20Canvas_updateTextureLayer }, 802 { "nDestroyLayer", "(I)V", (void*) android_view_GLES20Canvas_destroyLayer }, 803 { "nDestroyLayerDeferred", "(I)V", (void*) android_view_GLES20Canvas_destroyLayerDeferred }, 804 { "nDrawLayer", "(IIFFI)V", (void*) android_view_GLES20Canvas_drawLayer }, 805 { "nCopyLayer", "(II)Z", (void*) android_view_GLES20Canvas_copyLayer }, 806 807#endif 808}; 809 810static JNINativeMethod gActivityThreadMethods[] = { 811 { "dumpGraphicsInfo", "(Ljava/io/FileDescriptor;)V", 812 (void*) android_app_ActivityThread_dumpGraphics } 813}; 814 815 816#ifdef USE_OPENGL_RENDERER 817 #define FIND_CLASS(var, className) \ 818 var = env->FindClass(className); \ 819 LOG_FATAL_IF(! var, "Unable to find class " className); 820 821 #define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) \ 822 var = env->GetMethodID(clazz, methodName, methodDescriptor); \ 823 LOG_FATAL_IF(! var, "Unable to find method " methodName); 824#else 825 #define FIND_CLASS(var, className) 826 #define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) 827#endif 828 829int register_android_view_GLES20Canvas(JNIEnv* env) { 830 jclass clazz; 831 FIND_CLASS(clazz, "android/graphics/Rect"); 832 GET_METHOD_ID(gRectClassInfo.set, clazz, "set", "(IIII)V"); 833 834 return AndroidRuntime::registerNativeMethods(env, kClassPathName, gMethods, NELEM(gMethods)); 835} 836 837const char* const kActivityThreadPathName = "android/app/ActivityThread"; 838 839int register_android_app_ActivityThread(JNIEnv* env) 840{ 841 return AndroidRuntime::registerNativeMethods( 842 env, kActivityThreadPathName, 843 gActivityThreadMethods, NELEM(gActivityThreadMethods)); 844} 845 846}; 847