android_view_GLES20Canvas.cpp revision 2ea75880142152b3a9993cb245754d73c05749a7
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 <utils/ResourceTypes.h> 26 27#include <gui/SurfaceTexture.h> 28 29#include <SkBitmap.h> 30#include <SkCanvas.h> 31#include <SkMatrix.h> 32#include <SkPaint.h> 33#include <SkRegion.h> 34#include <SkScalerContext.h> 35#include <SkTemplates.h> 36#include <SkXfermode.h> 37 38#include <DisplayListRenderer.h> 39#include <LayerRenderer.h> 40#include <OpenGLRenderer.h> 41#include <SkiaShader.h> 42#include <SkiaColorFilter.h> 43#include <Rect.h> 44 45#include "TextLayout.h" 46 47namespace android { 48 49using namespace uirenderer; 50 51/** 52 * Note: OpenGLRenderer JNI layer is generated and compiled only on supported 53 * devices. This means all the logic must be compiled only when the 54 * preprocessor variable USE_OPENGL_RENDERER is defined. 55 */ 56#ifdef USE_OPENGL_RENDERER 57 58/////////////////////////////////////////////////////////////////////////////// 59// Defines 60/////////////////////////////////////////////////////////////////////////////// 61 62// Debug 63#define DEBUG_RENDERER 0 64 65// Debug 66#if DEBUG_RENDERER 67 #define RENDERER_LOGD(...) LOGD(__VA_ARGS__) 68#else 69 #define RENDERER_LOGD(...) 70#endif 71 72#define MODIFIER_SHADOW 1 73#define MODIFIER_SHADER 2 74#define MODIFIER_COLOR_FILTER 4 75 76// ---------------------------------------------------------------------------- 77 78static struct { 79 jmethodID set; 80} gRectClassInfo; 81 82// ---------------------------------------------------------------------------- 83// Misc 84// ---------------------------------------------------------------------------- 85 86static jboolean android_view_GLES20Canvas_preserveBackBuffer(JNIEnv* env, jobject clazz) { 87 EGLDisplay display = eglGetCurrentDisplay(); 88 EGLSurface surface = eglGetCurrentSurface(EGL_DRAW); 89 90 eglGetError(); 91 eglSurfaceAttrib(display, surface, EGL_SWAP_BEHAVIOR, EGL_BUFFER_PRESERVED); 92 93 EGLint error = eglGetError(); 94 RENDERER_LOGD("Could not enable buffer preserved swap behavior (%x)", error); 95 96 return error == EGL_SUCCESS; 97} 98 99// ---------------------------------------------------------------------------- 100// Constructors 101// ---------------------------------------------------------------------------- 102 103static OpenGLRenderer* android_view_GLES20Canvas_createRenderer(JNIEnv* env, jobject clazz) { 104 RENDERER_LOGD("Create OpenGLRenderer"); 105 return new OpenGLRenderer; 106} 107 108static void android_view_GLES20Canvas_destroyRenderer(JNIEnv* env, jobject clazz, 109 OpenGLRenderer* renderer) { 110 RENDERER_LOGD("Destroy OpenGLRenderer"); 111 delete renderer; 112} 113 114// ---------------------------------------------------------------------------- 115// Setup 116// ---------------------------------------------------------------------------- 117 118static void android_view_GLES20Canvas_setViewport(JNIEnv* env, jobject clazz, 119 OpenGLRenderer* renderer, jint width, jint height) { 120 renderer->setViewport(width, height); 121} 122 123static void android_view_GLES20Canvas_prepare(JNIEnv* env, jobject clazz, 124 OpenGLRenderer* renderer, jboolean opaque) { 125 renderer->prepare(opaque); 126} 127 128static void android_view_GLES20Canvas_prepareDirty(JNIEnv* env, jobject clazz, 129 OpenGLRenderer* renderer, jint left, jint top, jint right, jint bottom, 130 jboolean opaque) { 131 renderer->prepareDirty(left, top, right, bottom, opaque); 132} 133 134static void android_view_GLES20Canvas_finish(JNIEnv* env, jobject clazz, 135 OpenGLRenderer* renderer) { 136 renderer->finish(); 137} 138 139static bool android_view_GLES20Canvas_callDrawGLFunction(JNIEnv* env, jobject clazz, 140 OpenGLRenderer* renderer, Functor *functor) { 141 android::uirenderer::Rect dirty; 142 return renderer->callDrawGLFunction(functor, dirty); 143} 144 145// ---------------------------------------------------------------------------- 146// State 147// ---------------------------------------------------------------------------- 148 149static jint android_view_GLES20Canvas_save(JNIEnv* env, jobject clazz, OpenGLRenderer* renderer, 150 jint flags) { 151 return renderer->save(flags); 152} 153 154static jint android_view_GLES20Canvas_getSaveCount(JNIEnv* env, jobject clazz, 155 OpenGLRenderer* renderer) { 156 return renderer->getSaveCount(); 157} 158 159static void android_view_GLES20Canvas_restore(JNIEnv* env, jobject clazz, 160 OpenGLRenderer* renderer) { 161 renderer->restore(); 162} 163 164static void android_view_GLES20Canvas_restoreToCount(JNIEnv* env, jobject clazz, 165 OpenGLRenderer* renderer, jint saveCount) { 166 renderer->restoreToCount(saveCount); 167} 168 169// ---------------------------------------------------------------------------- 170// Layers 171// ---------------------------------------------------------------------------- 172 173static jint android_view_GLES20Canvas_saveLayer(JNIEnv* env, jobject clazz, 174 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 175 SkPaint* paint, jint saveFlags) { 176 return renderer->saveLayer(left, top, right, bottom, paint, saveFlags); 177} 178 179static jint android_view_GLES20Canvas_saveLayerAlpha(JNIEnv* env, jobject clazz, 180 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 181 jint alpha, jint saveFlags) { 182 return renderer->saveLayerAlpha(left, top, right, bottom, alpha, saveFlags); 183} 184 185// ---------------------------------------------------------------------------- 186// Clipping 187// ---------------------------------------------------------------------------- 188 189static bool android_view_GLES20Canvas_quickReject(JNIEnv* env, jobject clazz, 190 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 191 SkCanvas::EdgeType edge) { 192 return renderer->quickReject(left, top, right, bottom); 193} 194 195static bool android_view_GLES20Canvas_clipRectF(JNIEnv* env, jobject clazz, 196 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 197 SkRegion::Op op) { 198 return renderer->clipRect(left, top, right, bottom, op); 199} 200 201static bool android_view_GLES20Canvas_clipRect(JNIEnv* env, jobject clazz, 202 OpenGLRenderer* renderer, jint left, jint top, jint right, jint bottom, 203 SkRegion::Op op) { 204 return renderer->clipRect(float(left), float(top), float(right), float(bottom), op); 205} 206 207static bool android_view_GLES20Canvas_getClipBounds(JNIEnv* env, jobject clazz, 208 OpenGLRenderer* renderer, jobject rect) { 209 const android::uirenderer::Rect& bounds(renderer->getClipBounds()); 210 211 env->CallVoidMethod(rect, gRectClassInfo.set, 212 int(bounds.left), int(bounds.top), int(bounds.right), int(bounds.bottom)); 213 214 return !bounds.isEmpty(); 215} 216 217// ---------------------------------------------------------------------------- 218// Transforms 219// ---------------------------------------------------------------------------- 220 221static void android_view_GLES20Canvas_translate(JNIEnv* env, jobject clazz, 222 OpenGLRenderer* renderer, jfloat dx, jfloat dy) { 223 renderer->translate(dx, dy); 224} 225 226static void android_view_GLES20Canvas_rotate(JNIEnv* env, jobject clazz, 227 OpenGLRenderer* renderer, jfloat degrees) { 228 renderer->rotate(degrees); 229} 230 231static void android_view_GLES20Canvas_scale(JNIEnv* env, jobject clazz, 232 OpenGLRenderer* renderer, jfloat sx, jfloat sy) { 233 renderer->scale(sx, sy); 234} 235 236static void android_view_GLES20Canvas_skew(JNIEnv* env, jobject clazz, 237 OpenGLRenderer* renderer, jfloat sx, jfloat sy) { 238 renderer->skew(sx, sy); 239} 240 241static void android_view_GLES20Canvas_setMatrix(JNIEnv* env, jobject clazz, 242 OpenGLRenderer* renderer, SkMatrix* matrix) { 243 renderer->setMatrix(matrix); 244} 245 246static const float* android_view_GLES20Canvas_getNativeMatrix(JNIEnv* env, 247 jobject clazz, OpenGLRenderer* renderer) { 248 return renderer->getMatrix(); 249} 250 251static void android_view_GLES20Canvas_getMatrix(JNIEnv* env, jobject clazz, 252 OpenGLRenderer* renderer, SkMatrix* matrix) { 253 renderer->getMatrix(matrix); 254} 255 256static void android_view_GLES20Canvas_concatMatrix(JNIEnv* env, jobject clazz, 257 OpenGLRenderer* renderer, SkMatrix* matrix) { 258 renderer->concatMatrix(matrix); 259} 260 261// ---------------------------------------------------------------------------- 262// Drawing 263// ---------------------------------------------------------------------------- 264 265static void android_view_GLES20Canvas_drawBitmap(JNIEnv* env, jobject clazz, 266 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, float left, 267 float top, SkPaint* paint) { 268 // This object allows the renderer to allocate a global JNI ref to the buffer object. 269 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 270 271 renderer->drawBitmap(bitmap, left, top, paint); 272} 273 274static void android_view_GLES20Canvas_drawBitmapRect(JNIEnv* env, jobject clazz, 275 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, 276 float srcLeft, float srcTop, float srcRight, float srcBottom, 277 float dstLeft, float dstTop, float dstRight, float dstBottom, SkPaint* paint) { 278 // This object allows the renderer to allocate a global JNI ref to the buffer object. 279 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 280 281 renderer->drawBitmap(bitmap, srcLeft, srcTop, srcRight, srcBottom, 282 dstLeft, dstTop, dstRight, dstBottom, paint); 283} 284 285static void android_view_GLES20Canvas_drawBitmapMatrix(JNIEnv* env, jobject clazz, 286 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, SkMatrix* matrix, 287 SkPaint* paint) { 288 // This object allows the renderer to allocate a global JNI ref to the buffer object. 289 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 290 291 renderer->drawBitmap(bitmap, matrix, paint); 292} 293 294static void android_view_GLES20Canvas_drawBitmapMesh(JNIEnv* env, jobject clazz, 295 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, 296 jint meshWidth, jint meshHeight, jfloatArray vertices, jint offset, 297 jintArray colors, jint colorOffset, SkPaint* paint) { 298 // This object allows the renderer to allocate a global JNI ref to the buffer object. 299 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 300 301 jfloat* verticesArray = vertices ? env->GetFloatArrayElements(vertices, NULL) + offset : NULL; 302 jint* colorsArray = colors ? env->GetIntArrayElements(colors, NULL) + colorOffset : NULL; 303 304 renderer->drawBitmapMesh(bitmap, meshWidth, meshHeight, verticesArray, colorsArray, paint); 305 306 if (vertices) env->ReleaseFloatArrayElements(vertices, verticesArray, 0); 307 if (colors) env->ReleaseIntArrayElements(colors, colorsArray, 0); 308} 309 310static void android_view_GLES20Canvas_drawPatch(JNIEnv* env, jobject clazz, 311 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, jbyteArray chunks, 312 float left, float top, float right, float bottom, SkPaint* paint) { 313 // This object allows the renderer to allocate a global JNI ref to the buffer object. 314 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 315 316 jbyte* storage = env->GetByteArrayElements(chunks, NULL); 317 Res_png_9patch* patch = reinterpret_cast<Res_png_9patch*>(storage); 318 Res_png_9patch::deserialize(patch); 319 320 renderer->drawPatch(bitmap, &patch->xDivs[0], &patch->yDivs[0], 321 &patch->colors[0], patch->numXDivs, patch->numYDivs, patch->numColors, 322 left, top, right, bottom, paint); 323 324 env->ReleaseByteArrayElements(chunks, storage, 0); 325} 326 327static void android_view_GLES20Canvas_drawColor(JNIEnv* env, jobject clazz, 328 OpenGLRenderer* renderer, jint color, SkXfermode::Mode mode) { 329 renderer->drawColor(color, mode); 330} 331 332static void android_view_GLES20Canvas_drawRect(JNIEnv* env, jobject clazz, 333 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 334 SkPaint* paint) { 335 renderer->drawRect(left, top, right, bottom, paint); 336} 337 338static void android_view_GLES20Canvas_drawRoundRect(JNIEnv* env, jobject clazz, 339 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 340 jfloat rx, jfloat ry, SkPaint* paint) { 341 renderer->drawRoundRect(left, top, right, bottom, rx, ry, paint); 342} 343 344static void android_view_GLES20Canvas_drawCircle(JNIEnv* env, jobject clazz, 345 OpenGLRenderer* renderer, jfloat x, jfloat y, jfloat radius, SkPaint* paint) { 346 renderer->drawCircle(x, y, radius, paint); 347} 348 349static void android_view_GLES20Canvas_drawOval(JNIEnv* env, jobject clazz, 350 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 351 SkPaint* paint) { 352 renderer->drawOval(left, top, right, bottom, paint); 353} 354 355static void android_view_GLES20Canvas_drawArc(JNIEnv* env, jobject clazz, 356 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 357 jfloat startAngle, jfloat sweepAngle, jboolean useCenter, SkPaint* paint) { 358 renderer->drawArc(left, top, right, bottom, startAngle, sweepAngle, useCenter, paint); 359} 360 361static void android_view_GLES20Canvas_drawRects(JNIEnv* env, jobject clazz, 362 OpenGLRenderer* renderer, SkRegion* region, SkPaint* paint) { 363 SkRegion::Iterator it(*region); 364 while (!it.done()) { 365 const SkIRect& r = it.rect(); 366 renderer->drawRect(r.fLeft, r.fTop, r.fRight, r.fBottom, paint); 367 it.next(); 368 } 369} 370 371static void android_view_GLES20Canvas_drawPoints(JNIEnv* env, jobject clazz, 372 OpenGLRenderer* renderer, jfloatArray points, jint offset, jint count, SkPaint* paint) { 373 jfloat* storage = env->GetFloatArrayElements(points, NULL); 374 renderer->drawPoints(storage + offset, count, paint); 375 env->ReleaseFloatArrayElements(points, storage, 0); 376} 377 378static void android_view_GLES20Canvas_drawPath(JNIEnv* env, jobject clazz, 379 OpenGLRenderer* renderer, SkPath* path, SkPaint* paint) { 380 renderer->drawPath(path, paint); 381} 382 383static void android_view_GLES20Canvas_drawLines(JNIEnv* env, jobject clazz, 384 OpenGLRenderer* renderer, jfloatArray points, jint offset, jint count, SkPaint* paint) { 385 jfloat* storage = env->GetFloatArrayElements(points, NULL); 386 renderer->drawLines(storage + offset, count, paint); 387 env->ReleaseFloatArrayElements(points, storage, 0); 388} 389 390// ---------------------------------------------------------------------------- 391// Shaders and color filters 392// ---------------------------------------------------------------------------- 393 394static void android_view_GLES20Canvas_resetModifiers(JNIEnv* env, jobject clazz, 395 OpenGLRenderer* renderer, jint modifiers) { 396 if (modifiers & MODIFIER_SHADOW) renderer->resetShadow(); 397 if (modifiers & MODIFIER_SHADER) renderer->resetShader(); 398 if (modifiers & MODIFIER_COLOR_FILTER) renderer->resetColorFilter(); 399} 400 401static void android_view_GLES20Canvas_setupShader(JNIEnv* env, jobject clazz, 402 OpenGLRenderer* renderer, SkiaShader* shader) { 403 renderer->setupShader(shader); 404} 405 406static void android_view_GLES20Canvas_setupColorFilter(JNIEnv* env, jobject clazz, 407 OpenGLRenderer* renderer, SkiaColorFilter* filter) { 408 renderer->setupColorFilter(filter); 409} 410 411static void android_view_GLES20Canvas_setupShadow(JNIEnv* env, jobject clazz, 412 OpenGLRenderer* renderer, jfloat radius, jfloat dx, jfloat dy, jint color) { 413 renderer->setupShadow(radius, dx, dy, color); 414} 415 416// ---------------------------------------------------------------------------- 417// Text 418// ---------------------------------------------------------------------------- 419 420static void renderText(OpenGLRenderer* renderer, const jchar* text, int count, 421 jfloat x, jfloat y, int flags, SkPaint* paint) { 422#if 0 // TODO: replace "0" by "RTL_USE_HARFBUZZ" when renderer->drawGlyphs() is implemented 423 sp<TextLayoutCacheValue> value = gTextLayoutCache.getValue( 424 paint, text, 0, count, count, flags); 425 if (value == NULL) { 426 LOGE("Cannot get TextLayoutCache value"); 427 return ; 428 } 429#if DEBUG_GLYPHS 430 logGlyphs(value); 431#endif 432 const jchar* glyphArray = value->getGlyphs(); 433 int glyphCount = value->getGlyphsCount(); 434 renderer->drawGlyphs((const char*) glyphArray, 0, glyphCount << 1, x, y, paint); 435#else 436 const jchar *workText; 437 jchar* buffer = NULL; 438 int32_t workBytes; 439 if (TextLayout::prepareText(paint, text, count, flags, &workText, &workBytes, &buffer)) { 440 renderer->drawText((const char*) workText, workBytes, count, x, y, paint); 441 free(buffer); 442 } 443#endif 444} 445 446static void renderTextRun(OpenGLRenderer* renderer, const jchar* text, 447 jint start, jint count, jint contextCount, jfloat x, jfloat y, 448 int flags, SkPaint* paint) { 449#if 0 // TODO: replace "0" by "RTL_USE_HARFBUZZ" when renderer->drawGlyphs() is implemented 450 sp<TextLayoutCacheValue> value = gTextLayoutCache.getValue( 451 paint, text, start, count, contextCount, flags); 452 if (value == NULL) { 453 LOGE("Cannot get TextLayoutCache value"); 454 return ; 455 } 456#if DEBUG_GLYPHS 457 logGlyphs(value); 458#endif 459 const jchar* glyphArray = value->getGlyphs(); 460 int glyphCount = value->getGlyphsCount(); 461 renderer->drawGlyphs((const char*) glyphArray, 0, glyphCount << 1, x, y, paint); 462#else 463 uint8_t rtl = flags & 0x1; 464 if (rtl) { 465 SkAutoSTMalloc<80, jchar> buffer(contextCount); 466 jchar* shaped = buffer.get(); 467 if (TextLayout::prepareRtlTextRun(text, start, count, contextCount, shaped)) { 468 renderer->drawText((const char*) shaped, count << 1, count, x, y, paint); 469 } else { 470 LOGW("drawTextRun error"); 471 } 472 } else { 473 renderer->drawText((const char*) (text + start), count << 1, count, x, y, paint); 474 } 475#endif 476} 477 478static void android_view_GLES20Canvas_drawTextArray(JNIEnv* env, jobject clazz, 479 OpenGLRenderer* renderer, jcharArray text, jint index, jint count, 480 jfloat x, jfloat y, jint flags, SkPaint* paint) { 481 jchar* textArray = env->GetCharArrayElements(text, NULL); 482 renderText(renderer, textArray + index, count, x, y, flags, paint); 483 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 484} 485 486static void android_view_GLES20Canvas_drawText(JNIEnv* env, jobject clazz, 487 OpenGLRenderer* renderer, jstring text, jint start, jint end, 488 jfloat x, jfloat y, jint flags, SkPaint* paint) { 489 const jchar* textArray = env->GetStringChars(text, NULL); 490 renderText(renderer, textArray + start, end - start, x, y, flags, paint); 491 env->ReleaseStringChars(text, textArray); 492} 493 494static void android_view_GLES20Canvas_drawTextRunArray(JNIEnv* env, jobject clazz, 495 OpenGLRenderer* renderer, jcharArray text, jint index, jint count, 496 jint contextIndex, jint contextCount, jfloat x, jfloat y, jint dirFlags, 497 SkPaint* paint) { 498 jchar* textArray = env->GetCharArrayElements(text, NULL); 499 renderTextRun(renderer, textArray + contextIndex, index - contextIndex, 500 count, contextCount, x, y, dirFlags, paint); 501 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 502 } 503 504static void android_view_GLES20Canvas_drawTextRun(JNIEnv* env, jobject clazz, 505 OpenGLRenderer* renderer, jstring text, jint start, jint end, 506 jint contextStart, int contextEnd, jfloat x, jfloat y, jint dirFlags, 507 SkPaint* paint) { 508 const jchar* textArray = env->GetStringChars(text, NULL); 509 jint count = end - start; 510 jint contextCount = contextEnd - contextStart; 511 renderTextRun(renderer, textArray + contextStart, start - contextStart, 512 count, contextCount, x, y, dirFlags, paint); 513 env->ReleaseStringChars(text, textArray); 514} 515 516// ---------------------------------------------------------------------------- 517// Display lists 518// ---------------------------------------------------------------------------- 519 520static DisplayList* android_view_GLES20Canvas_getDisplayList(JNIEnv* env, 521 jobject clazz, DisplayListRenderer* renderer) { 522 return renderer->getDisplayList(); 523} 524 525static OpenGLRenderer* android_view_GLES20Canvas_getDisplayListRenderer(JNIEnv* env, 526 jobject clazz, DisplayListRenderer* renderer) { 527 if (renderer == NULL) { 528 renderer = new DisplayListRenderer; 529 } else { 530 renderer->reset(); 531 } 532 return renderer; 533} 534 535static void android_view_GLES20Canvas_destroyDisplayList(JNIEnv* env, 536 jobject clazz, DisplayList* displayList) { 537 delete displayList; 538} 539 540static bool android_view_GLES20Canvas_drawDisplayList(JNIEnv* env, 541 jobject clazz, OpenGLRenderer* renderer, DisplayList* displayList, 542 jint width, jint height, jobject dirty) { 543 android::uirenderer::Rect bounds; 544 bool redraw = renderer->drawDisplayList(displayList, width, height, bounds); 545 if (redraw && dirty != NULL) { 546 env->CallVoidMethod(dirty, gRectClassInfo.set, 547 int(bounds.left), int(bounds.top), int(bounds.right), int(bounds.bottom)); 548 } 549 return redraw; 550} 551 552static void android_view_GLES20Canvas_outputDisplayList(JNIEnv* env, 553 jobject clazz, OpenGLRenderer* renderer, DisplayList* displayList) { 554 renderer->outputDisplayList(displayList); 555} 556 557// ---------------------------------------------------------------------------- 558// Layers 559// ---------------------------------------------------------------------------- 560 561static void android_view_GLES20Canvas_interrupt(JNIEnv* env, jobject clazz, 562 OpenGLRenderer* renderer) { 563 renderer->interrupt(); 564} 565 566static void android_view_GLES20Canvas_resume(JNIEnv* env, jobject clazz, 567 OpenGLRenderer* renderer) { 568 renderer->resume(); 569} 570 571static OpenGLRenderer* android_view_GLES20Canvas_createLayerRenderer(JNIEnv* env, 572 jobject clazz, Layer* layer) { 573 if (layer) { 574 return new LayerRenderer(layer); 575 } 576 return NULL; 577} 578 579static Layer* android_view_GLES20Canvas_createTextureLayer(JNIEnv* env, jobject clazz, 580 jintArray layerInfo) { 581 Layer* layer = LayerRenderer::createTextureLayer(); 582 583 if (layer) { 584 jint* storage = env->GetIntArrayElements(layerInfo, NULL); 585 storage[0] = layer->texture; 586 env->ReleaseIntArrayElements(layerInfo, storage, 0); 587 } 588 589 return layer; 590} 591 592static Layer* android_view_GLES20Canvas_createLayer(JNIEnv* env, jobject clazz, 593 jint width, jint height, jboolean isOpaque, jintArray layerInfo) { 594 Layer* layer = LayerRenderer::createLayer(width, height, isOpaque); 595 596 if (layer) { 597 jint* storage = env->GetIntArrayElements(layerInfo, NULL); 598 storage[0] = layer->width; 599 storage[1] = layer->height; 600 env->ReleaseIntArrayElements(layerInfo, storage, 0); 601 } 602 603 return layer; 604} 605 606static void android_view_GLES20Canvas_resizeLayer(JNIEnv* env, jobject clazz, 607 Layer* layer, jint width, jint height, jintArray layerInfo) { 608 LayerRenderer::resizeLayer(layer, width, height); 609 610 jint* storage = env->GetIntArrayElements(layerInfo, NULL); 611 storage[0] = layer->width; 612 storage[1] = layer->height; 613 env->ReleaseIntArrayElements(layerInfo, storage, 0); 614} 615 616static void android_view_GLES20Canvas_updateTextureLayer(JNIEnv* env, jobject clazz, 617 Layer* layer, jint width, jint height, SurfaceTexture* surface) { 618 float transform[16]; 619 surface->updateTexImage(); 620 surface->getTransformMatrix(transform); 621 GLenum renderTarget = surface->getCurrentTextureTarget(); 622 623 LayerRenderer::updateTextureLayer(layer, width, height, renderTarget, transform); 624} 625 626static void android_view_GLES20Canvas_destroyLayer(JNIEnv* env, jobject clazz, Layer* layer) { 627 LayerRenderer::destroyLayer(layer); 628} 629 630static void android_view_GLES20Canvas_destroyLayerDeferred(JNIEnv* env, 631 jobject clazz, Layer* layer) { 632 LayerRenderer::destroyLayerDeferred(layer); 633} 634 635static void android_view_GLES20Canvas_drawLayer(JNIEnv* env, jobject clazz, 636 OpenGLRenderer* renderer, Layer* layer, jfloat x, jfloat y, SkPaint* paint) { 637 renderer->drawLayer(layer, x, y, paint); 638} 639 640#endif // USE_OPENGL_RENDERER 641 642// ---------------------------------------------------------------------------- 643// Common 644// ---------------------------------------------------------------------------- 645 646static jboolean android_view_GLES20Canvas_isAvailable(JNIEnv* env, jobject clazz) { 647#ifdef USE_OPENGL_RENDERER 648 return JNI_TRUE; 649#else 650 return JNI_FALSE; 651#endif 652} 653 654// ---------------------------------------------------------------------------- 655// Logging 656// ---------------------------------------------------------------------------- 657 658static void 659android_app_ActivityThread_dumpGraphics(JNIEnv* env, jobject clazz, jobject javaFileDescriptor) 660{ 661#ifdef USE_OPENGL_RENDERER 662 int fd = jniGetFDFromFileDescriptor(env, javaFileDescriptor); 663 android::uirenderer::DisplayList::outputLogBuffer(fd); 664#endif // USE_OPENGL_RENDERER 665} 666 667// ---------------------------------------------------------------------------- 668// JNI Glue 669// ---------------------------------------------------------------------------- 670 671const char* const kClassPathName = "android/view/GLES20Canvas"; 672 673static JNINativeMethod gMethods[] = { 674 { "nIsAvailable", "()Z", (void*) android_view_GLES20Canvas_isAvailable }, 675 676#ifdef USE_OPENGL_RENDERER 677 { "nPreserveBackBuffer", "()Z", (void*) android_view_GLES20Canvas_preserveBackBuffer }, 678 679 { "nCreateRenderer", "()I", (void*) android_view_GLES20Canvas_createRenderer }, 680 { "nDestroyRenderer", "(I)V", (void*) android_view_GLES20Canvas_destroyRenderer }, 681 { "nSetViewport", "(III)V", (void*) android_view_GLES20Canvas_setViewport }, 682 { "nPrepare", "(IZ)V", (void*) android_view_GLES20Canvas_prepare }, 683 { "nPrepareDirty", "(IIIIIZ)V", (void*) android_view_GLES20Canvas_prepareDirty }, 684 { "nFinish", "(I)V", (void*) android_view_GLES20Canvas_finish }, 685 686 { "nCallDrawGLFunction", "(II)Z", 687 (void*) android_view_GLES20Canvas_callDrawGLFunction }, 688 689 { "nSave", "(II)I", (void*) android_view_GLES20Canvas_save }, 690 { "nRestore", "(I)V", (void*) android_view_GLES20Canvas_restore }, 691 { "nRestoreToCount", "(II)V", (void*) android_view_GLES20Canvas_restoreToCount }, 692 { "nGetSaveCount", "(I)I", (void*) android_view_GLES20Canvas_getSaveCount }, 693 694 { "nSaveLayer", "(IFFFFII)I", (void*) android_view_GLES20Canvas_saveLayer }, 695 { "nSaveLayerAlpha", "(IFFFFII)I", (void*) android_view_GLES20Canvas_saveLayerAlpha }, 696 697 { "nQuickReject", "(IFFFFI)Z", (void*) android_view_GLES20Canvas_quickReject }, 698 { "nClipRect", "(IFFFFI)Z", (void*) android_view_GLES20Canvas_clipRectF }, 699 { "nClipRect", "(IIIIII)Z", (void*) android_view_GLES20Canvas_clipRect }, 700 701 { "nTranslate", "(IFF)V", (void*) android_view_GLES20Canvas_translate }, 702 { "nRotate", "(IF)V", (void*) android_view_GLES20Canvas_rotate }, 703 { "nScale", "(IFF)V", (void*) android_view_GLES20Canvas_scale }, 704 { "nSkew", "(IFF)V", (void*) android_view_GLES20Canvas_skew }, 705 706 { "nSetMatrix", "(II)V", (void*) android_view_GLES20Canvas_setMatrix }, 707 { "nGetMatrix", "(I)I", (void*) android_view_GLES20Canvas_getNativeMatrix }, 708 { "nGetMatrix", "(II)V", (void*) android_view_GLES20Canvas_getMatrix }, 709 { "nConcatMatrix", "(II)V", (void*) android_view_GLES20Canvas_concatMatrix }, 710 711 { "nDrawBitmap", "(II[BFFI)V", (void*) android_view_GLES20Canvas_drawBitmap }, 712 { "nDrawBitmap", "(II[BFFFFFFFFI)V",(void*) android_view_GLES20Canvas_drawBitmapRect }, 713 { "nDrawBitmap", "(II[BII)V", (void*) android_view_GLES20Canvas_drawBitmapMatrix }, 714 715 { "nDrawBitmapMesh", "(II[BII[FI[III)V",(void*) android_view_GLES20Canvas_drawBitmapMesh }, 716 717 { "nDrawPatch", "(II[B[BFFFFI)V", (void*) android_view_GLES20Canvas_drawPatch }, 718 719 { "nDrawColor", "(III)V", (void*) android_view_GLES20Canvas_drawColor }, 720 { "nDrawRect", "(IFFFFI)V", (void*) android_view_GLES20Canvas_drawRect }, 721 { "nDrawRects", "(III)V", (void*) android_view_GLES20Canvas_drawRects }, 722 { "nDrawRoundRect", "(IFFFFFFI)V", (void*) android_view_GLES20Canvas_drawRoundRect }, 723 { "nDrawCircle", "(IFFFI)V", (void*) android_view_GLES20Canvas_drawCircle }, 724 { "nDrawOval", "(IFFFFI)V", (void*) android_view_GLES20Canvas_drawOval }, 725 { "nDrawArc", "(IFFFFFFZI)V", (void*) android_view_GLES20Canvas_drawArc }, 726 { "nDrawPoints", "(I[FIII)V", (void*) android_view_GLES20Canvas_drawPoints }, 727 728 { "nDrawPath", "(III)V", (void*) android_view_GLES20Canvas_drawPath }, 729 { "nDrawLines", "(I[FIII)V", (void*) android_view_GLES20Canvas_drawLines }, 730 731 { "nResetModifiers", "(II)V", (void*) android_view_GLES20Canvas_resetModifiers }, 732 { "nSetupShader", "(II)V", (void*) android_view_GLES20Canvas_setupShader }, 733 { "nSetupColorFilter", "(II)V", (void*) android_view_GLES20Canvas_setupColorFilter }, 734 { "nSetupShadow", "(IFFFI)V", (void*) android_view_GLES20Canvas_setupShadow }, 735 736 { "nDrawText", "(I[CIIFFII)V", (void*) android_view_GLES20Canvas_drawTextArray }, 737 { "nDrawText", "(ILjava/lang/String;IIFFII)V", 738 (void*) android_view_GLES20Canvas_drawText }, 739 740 { "nDrawTextRun", "(I[CIIIIFFII)V", (void*) android_view_GLES20Canvas_drawTextRunArray }, 741 { "nDrawTextRun", "(ILjava/lang/String;IIIIFFII)V", 742 (void*) android_view_GLES20Canvas_drawTextRun }, 743 744 { "nGetClipBounds", "(ILandroid/graphics/Rect;)Z", 745 (void*) android_view_GLES20Canvas_getClipBounds }, 746 747 { "nGetDisplayList", "(I)I", (void*) android_view_GLES20Canvas_getDisplayList }, 748 { "nDestroyDisplayList", "(I)V", (void*) android_view_GLES20Canvas_destroyDisplayList }, 749 { "nGetDisplayListRenderer", "(I)I", (void*) android_view_GLES20Canvas_getDisplayListRenderer }, 750 { "nDrawDisplayList", "(IIIILandroid/graphics/Rect;)Z", 751 (void*) android_view_GLES20Canvas_drawDisplayList }, 752 { "nOutputDisplayList", "(II)V", (void*) android_view_GLES20Canvas_outputDisplayList }, 753 { "nInterrupt", "(I)V", (void*) android_view_GLES20Canvas_interrupt }, 754 { "nResume", "(I)V", (void*) android_view_GLES20Canvas_resume }, 755 756 { "nCreateLayerRenderer", "(I)I", (void*) android_view_GLES20Canvas_createLayerRenderer }, 757 { "nCreateLayer", "(IIZ[I)I", (void*) android_view_GLES20Canvas_createLayer }, 758 { "nResizeLayer", "(III[I)V" , (void*) android_view_GLES20Canvas_resizeLayer }, 759 { "nCreateTextureLayer", "([I)I", (void*) android_view_GLES20Canvas_createTextureLayer }, 760 { "nUpdateTextureLayer", "(IIII)V", (void*) android_view_GLES20Canvas_updateTextureLayer }, 761 { "nDestroyLayer", "(I)V", (void*) android_view_GLES20Canvas_destroyLayer }, 762 { "nDestroyLayerDeferred", "(I)V", (void*) android_view_GLES20Canvas_destroyLayerDeferred }, 763 { "nDrawLayer", "(IIFFI)V", (void*) android_view_GLES20Canvas_drawLayer }, 764 765#endif 766}; 767 768static JNINativeMethod gActivityThreadMethods[] = { 769 { "dumpGraphicsInfo", "(Ljava/io/FileDescriptor;)V", 770 (void*) android_app_ActivityThread_dumpGraphics } 771}; 772 773 774#ifdef USE_OPENGL_RENDERER 775 #define FIND_CLASS(var, className) \ 776 var = env->FindClass(className); \ 777 LOG_FATAL_IF(! var, "Unable to find class " className); 778 779 #define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) \ 780 var = env->GetMethodID(clazz, methodName, methodDescriptor); \ 781 LOG_FATAL_IF(! var, "Unable to find method " methodName); 782#else 783 #define FIND_CLASS(var, className) 784 #define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) 785#endif 786 787int register_android_view_GLES20Canvas(JNIEnv* env) { 788 jclass clazz; 789 FIND_CLASS(clazz, "android/graphics/Rect"); 790 GET_METHOD_ID(gRectClassInfo.set, clazz, "set", "(IIII)V"); 791 792 return AndroidRuntime::registerNativeMethods(env, kClassPathName, gMethods, NELEM(gMethods)); 793} 794 795const char* const kActivityThreadPathName = "android/app/ActivityThread"; 796 797int register_android_app_ActivityThread(JNIEnv* env) 798{ 799 return AndroidRuntime::registerNativeMethods( 800 env, kActivityThreadPathName, 801 gActivityThreadMethods, NELEM(gActivityThreadMethods)); 802} 803 804}; 805