android_view_GLES20Canvas.cpp revision ed30fd8e9a2d65ee5c8520de55b0089c219f390c
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 const jchar *workText; 423 jchar* buffer = NULL; 424 int32_t workBytes; 425 if (TextLayout::prepareText(paint, text, count, flags, &workText, &workBytes, &buffer)) { 426 renderer->drawText((const char*) workText, workBytes, count, x, y, paint); 427 free(buffer); 428 } 429} 430 431static void renderTextRun(OpenGLRenderer* renderer, const jchar* text, 432 jint start, jint count, jint contextCount, jfloat x, jfloat y, 433 int flags, SkPaint* paint) { 434 uint8_t rtl = flags & 0x1; 435 if (rtl) { 436 SkAutoSTMalloc<80, jchar> buffer(contextCount); 437 jchar* shaped = buffer.get(); 438 if (TextLayout::prepareRtlTextRun(text, start, count, contextCount, shaped)) { 439 renderer->drawText((const char*) shaped, count << 1, count, x, y, paint); 440 } else { 441 LOGW("drawTextRun error"); 442 } 443 } else { 444 renderer->drawText((const char*) (text + start), count << 1, count, x, y, paint); 445 } 446} 447 448static void android_view_GLES20Canvas_drawTextArray(JNIEnv* env, jobject clazz, 449 OpenGLRenderer* renderer, jcharArray text, jint index, jint count, 450 jfloat x, jfloat y, jint flags, SkPaint* paint) { 451 jchar* textArray = env->GetCharArrayElements(text, NULL); 452 renderText(renderer, textArray + index, count, x, y, flags, paint); 453 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 454} 455 456static void android_view_GLES20Canvas_drawText(JNIEnv* env, jobject clazz, 457 OpenGLRenderer* renderer, jstring text, jint start, jint end, 458 jfloat x, jfloat y, jint flags, SkPaint* paint) { 459 const jchar* textArray = env->GetStringChars(text, NULL); 460 renderText(renderer, textArray + start, end - start, x, y, flags, paint); 461 env->ReleaseStringChars(text, textArray); 462} 463 464static void android_view_GLES20Canvas_drawTextRunArray(JNIEnv* env, jobject clazz, 465 OpenGLRenderer* renderer, jcharArray text, jint index, jint count, 466 jint contextIndex, jint contextCount, jfloat x, jfloat y, jint dirFlags, 467 SkPaint* paint) { 468 jchar* textArray = env->GetCharArrayElements(text, NULL); 469 renderTextRun(renderer, textArray + contextIndex, index - contextIndex, 470 count, contextCount, x, y, dirFlags, paint); 471 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 472 } 473 474static void android_view_GLES20Canvas_drawTextRun(JNIEnv* env, jobject clazz, 475 OpenGLRenderer* renderer, jstring text, jint start, jint end, 476 jint contextStart, int contextEnd, jfloat x, jfloat y, jint dirFlags, 477 SkPaint* paint) { 478 const jchar* textArray = env->GetStringChars(text, NULL); 479 jint count = end - start; 480 jint contextCount = contextEnd - contextStart; 481 renderTextRun(renderer, textArray + contextStart, start - contextStart, 482 count, contextCount, x, y, dirFlags, paint); 483 env->ReleaseStringChars(text, textArray); 484} 485 486// ---------------------------------------------------------------------------- 487// Display lists 488// ---------------------------------------------------------------------------- 489 490static DisplayList* android_view_GLES20Canvas_getDisplayList(JNIEnv* env, 491 jobject clazz, DisplayListRenderer* renderer) { 492 return renderer->getDisplayList(); 493} 494 495static OpenGLRenderer* android_view_GLES20Canvas_getDisplayListRenderer(JNIEnv* env, 496 jobject clazz, DisplayListRenderer* renderer) { 497 if (renderer == NULL) { 498 renderer = new DisplayListRenderer; 499 } else { 500 renderer->reset(); 501 } 502 return renderer; 503} 504 505static void android_view_GLES20Canvas_destroyDisplayList(JNIEnv* env, 506 jobject clazz, DisplayList* displayList) { 507 delete displayList; 508} 509 510static bool android_view_GLES20Canvas_drawDisplayList(JNIEnv* env, 511 jobject clazz, OpenGLRenderer* renderer, DisplayList* displayList, 512 jint width, jint height, jobject dirty) { 513 android::uirenderer::Rect bounds; 514 bool redraw = renderer->drawDisplayList(displayList, width, height, bounds); 515 if (redraw && dirty != NULL) { 516 env->CallVoidMethod(dirty, gRectClassInfo.set, 517 int(bounds.left), int(bounds.top), int(bounds.right), int(bounds.bottom)); 518 } 519 return redraw; 520} 521 522static void android_view_GLES20Canvas_outputDisplayList(JNIEnv* env, 523 jobject clazz, OpenGLRenderer* renderer, DisplayList* displayList) { 524 renderer->outputDisplayList(displayList); 525} 526 527// ---------------------------------------------------------------------------- 528// Layers 529// ---------------------------------------------------------------------------- 530 531static void android_view_GLES20Canvas_interrupt(JNIEnv* env, jobject clazz, 532 OpenGLRenderer* renderer) { 533 renderer->interrupt(); 534} 535 536static void android_view_GLES20Canvas_resume(JNIEnv* env, jobject clazz, 537 OpenGLRenderer* renderer) { 538 renderer->resume(); 539} 540 541static OpenGLRenderer* android_view_GLES20Canvas_createLayerRenderer(JNIEnv* env, 542 jobject clazz, Layer* layer) { 543 if (layer) { 544 return new LayerRenderer(layer); 545 } 546 return NULL; 547} 548 549static Layer* android_view_GLES20Canvas_createTextureLayer(JNIEnv* env, jobject clazz, 550 jintArray layerInfo) { 551 Layer* layer = LayerRenderer::createTextureLayer(); 552 553 if (layer) { 554 jint* storage = env->GetIntArrayElements(layerInfo, NULL); 555 storage[0] = layer->texture; 556 env->ReleaseIntArrayElements(layerInfo, storage, 0); 557 } 558 559 return layer; 560} 561 562static Layer* android_view_GLES20Canvas_createLayer(JNIEnv* env, jobject clazz, 563 jint width, jint height, jboolean isOpaque, jintArray layerInfo) { 564 Layer* layer = LayerRenderer::createLayer(width, height, isOpaque); 565 566 if (layer) { 567 jint* storage = env->GetIntArrayElements(layerInfo, NULL); 568 storage[0] = layer->width; 569 storage[1] = layer->height; 570 env->ReleaseIntArrayElements(layerInfo, storage, 0); 571 } 572 573 return layer; 574} 575 576static void android_view_GLES20Canvas_resizeLayer(JNIEnv* env, jobject clazz, 577 Layer* layer, jint width, jint height, jintArray layerInfo) { 578 LayerRenderer::resizeLayer(layer, width, height); 579 580 jint* storage = env->GetIntArrayElements(layerInfo, NULL); 581 storage[0] = layer->width; 582 storage[1] = layer->height; 583 env->ReleaseIntArrayElements(layerInfo, storage, 0); 584} 585 586static void android_view_GLES20Canvas_updateTextureLayer(JNIEnv* env, jobject clazz, 587 Layer* layer, jint width, jint height, SurfaceTexture* surface) { 588 float transform[16]; 589 surface->updateTexImage(); 590 surface->getTransformMatrix(transform); 591 GLenum renderTarget = surface->getCurrentTextureTarget(); 592 593 LayerRenderer::updateTextureLayer(layer, width, height, renderTarget, transform); 594} 595 596static void android_view_GLES20Canvas_destroyLayer(JNIEnv* env, jobject clazz, Layer* layer) { 597 LayerRenderer::destroyLayer(layer); 598} 599 600static void android_view_GLES20Canvas_destroyLayerDeferred(JNIEnv* env, 601 jobject clazz, Layer* layer) { 602 LayerRenderer::destroyLayerDeferred(layer); 603} 604 605static void android_view_GLES20Canvas_drawLayer(JNIEnv* env, jobject clazz, 606 OpenGLRenderer* renderer, Layer* layer, jfloat x, jfloat y, SkPaint* paint) { 607 renderer->drawLayer(layer, x, y, paint); 608} 609 610#endif // USE_OPENGL_RENDERER 611 612// ---------------------------------------------------------------------------- 613// Common 614// ---------------------------------------------------------------------------- 615 616static jboolean android_view_GLES20Canvas_isAvailable(JNIEnv* env, jobject clazz) { 617#ifdef USE_OPENGL_RENDERER 618 return JNI_TRUE; 619#else 620 return JNI_FALSE; 621#endif 622} 623 624// ---------------------------------------------------------------------------- 625// Logging 626// ---------------------------------------------------------------------------- 627 628static void 629android_app_ActivityThread_dumpGraphics(JNIEnv* env, jobject clazz, jobject javaFileDescriptor) 630{ 631#ifdef USE_OPENGL_RENDERER 632 int fd = jniGetFDFromFileDescriptor(env, javaFileDescriptor); 633 android::uirenderer::DisplayList::outputLogBuffer(fd); 634#endif // USE_OPENGL_RENDERER 635} 636 637// ---------------------------------------------------------------------------- 638// JNI Glue 639// ---------------------------------------------------------------------------- 640 641const char* const kClassPathName = "android/view/GLES20Canvas"; 642 643static JNINativeMethod gMethods[] = { 644 { "nIsAvailable", "()Z", (void*) android_view_GLES20Canvas_isAvailable }, 645 646#ifdef USE_OPENGL_RENDERER 647 { "nPreserveBackBuffer", "()Z", (void*) android_view_GLES20Canvas_preserveBackBuffer }, 648 649 { "nCreateRenderer", "()I", (void*) android_view_GLES20Canvas_createRenderer }, 650 { "nDestroyRenderer", "(I)V", (void*) android_view_GLES20Canvas_destroyRenderer }, 651 { "nSetViewport", "(III)V", (void*) android_view_GLES20Canvas_setViewport }, 652 { "nPrepare", "(IZ)V", (void*) android_view_GLES20Canvas_prepare }, 653 { "nPrepareDirty", "(IIIIIZ)V", (void*) android_view_GLES20Canvas_prepareDirty }, 654 { "nFinish", "(I)V", (void*) android_view_GLES20Canvas_finish }, 655 656 { "nCallDrawGLFunction", "(II)Z", 657 (void*) android_view_GLES20Canvas_callDrawGLFunction }, 658 659 { "nSave", "(II)I", (void*) android_view_GLES20Canvas_save }, 660 { "nRestore", "(I)V", (void*) android_view_GLES20Canvas_restore }, 661 { "nRestoreToCount", "(II)V", (void*) android_view_GLES20Canvas_restoreToCount }, 662 { "nGetSaveCount", "(I)I", (void*) android_view_GLES20Canvas_getSaveCount }, 663 664 { "nSaveLayer", "(IFFFFII)I", (void*) android_view_GLES20Canvas_saveLayer }, 665 { "nSaveLayerAlpha", "(IFFFFII)I", (void*) android_view_GLES20Canvas_saveLayerAlpha }, 666 667 { "nQuickReject", "(IFFFFI)Z", (void*) android_view_GLES20Canvas_quickReject }, 668 { "nClipRect", "(IFFFFI)Z", (void*) android_view_GLES20Canvas_clipRectF }, 669 { "nClipRect", "(IIIIII)Z", (void*) android_view_GLES20Canvas_clipRect }, 670 671 { "nTranslate", "(IFF)V", (void*) android_view_GLES20Canvas_translate }, 672 { "nRotate", "(IF)V", (void*) android_view_GLES20Canvas_rotate }, 673 { "nScale", "(IFF)V", (void*) android_view_GLES20Canvas_scale }, 674 { "nSkew", "(IFF)V", (void*) android_view_GLES20Canvas_skew }, 675 676 { "nSetMatrix", "(II)V", (void*) android_view_GLES20Canvas_setMatrix }, 677 { "nGetMatrix", "(I)I", (void*) android_view_GLES20Canvas_getNativeMatrix }, 678 { "nGetMatrix", "(II)V", (void*) android_view_GLES20Canvas_getMatrix }, 679 { "nConcatMatrix", "(II)V", (void*) android_view_GLES20Canvas_concatMatrix }, 680 681 { "nDrawBitmap", "(II[BFFI)V", (void*) android_view_GLES20Canvas_drawBitmap }, 682 { "nDrawBitmap", "(II[BFFFFFFFFI)V",(void*) android_view_GLES20Canvas_drawBitmapRect }, 683 { "nDrawBitmap", "(II[BII)V", (void*) android_view_GLES20Canvas_drawBitmapMatrix }, 684 685 { "nDrawBitmapMesh", "(II[BII[FI[III)V",(void*) android_view_GLES20Canvas_drawBitmapMesh }, 686 687 { "nDrawPatch", "(II[B[BFFFFI)V", (void*) android_view_GLES20Canvas_drawPatch }, 688 689 { "nDrawColor", "(III)V", (void*) android_view_GLES20Canvas_drawColor }, 690 { "nDrawRect", "(IFFFFI)V", (void*) android_view_GLES20Canvas_drawRect }, 691 { "nDrawRects", "(III)V", (void*) android_view_GLES20Canvas_drawRects }, 692 { "nDrawRoundRect", "(IFFFFFFI)V", (void*) android_view_GLES20Canvas_drawRoundRect }, 693 { "nDrawCircle", "(IFFFI)V", (void*) android_view_GLES20Canvas_drawCircle }, 694 { "nDrawOval", "(IFFFFI)V", (void*) android_view_GLES20Canvas_drawOval }, 695 { "nDrawArc", "(IFFFFFFZI)V", (void*) android_view_GLES20Canvas_drawArc }, 696 { "nDrawPoints", "(I[FIII)V", (void*) android_view_GLES20Canvas_drawPoints }, 697 698 { "nDrawPath", "(III)V", (void*) android_view_GLES20Canvas_drawPath }, 699 { "nDrawLines", "(I[FIII)V", (void*) android_view_GLES20Canvas_drawLines }, 700 701 { "nResetModifiers", "(II)V", (void*) android_view_GLES20Canvas_resetModifiers }, 702 { "nSetupShader", "(II)V", (void*) android_view_GLES20Canvas_setupShader }, 703 { "nSetupColorFilter", "(II)V", (void*) android_view_GLES20Canvas_setupColorFilter }, 704 { "nSetupShadow", "(IFFFI)V", (void*) android_view_GLES20Canvas_setupShadow }, 705 706 { "nDrawText", "(I[CIIFFII)V", (void*) android_view_GLES20Canvas_drawTextArray }, 707 { "nDrawText", "(ILjava/lang/String;IIFFII)V", 708 (void*) android_view_GLES20Canvas_drawText }, 709 710 { "nDrawTextRun", "(I[CIIIIFFII)V", (void*) android_view_GLES20Canvas_drawTextRunArray }, 711 { "nDrawTextRun", "(ILjava/lang/String;IIIIFFII)V", 712 (void*) android_view_GLES20Canvas_drawTextRun }, 713 714 { "nGetClipBounds", "(ILandroid/graphics/Rect;)Z", 715 (void*) android_view_GLES20Canvas_getClipBounds }, 716 717 { "nGetDisplayList", "(I)I", (void*) android_view_GLES20Canvas_getDisplayList }, 718 { "nDestroyDisplayList", "(I)V", (void*) android_view_GLES20Canvas_destroyDisplayList }, 719 { "nGetDisplayListRenderer", "(I)I", (void*) android_view_GLES20Canvas_getDisplayListRenderer }, 720 { "nDrawDisplayList", "(IIIILandroid/graphics/Rect;)Z", 721 (void*) android_view_GLES20Canvas_drawDisplayList }, 722 { "nOutputDisplayList", "(II)V", (void*) android_view_GLES20Canvas_outputDisplayList }, 723 { "nInterrupt", "(I)V", (void*) android_view_GLES20Canvas_interrupt }, 724 { "nResume", "(I)V", (void*) android_view_GLES20Canvas_resume }, 725 726 { "nCreateLayerRenderer", "(I)I", (void*) android_view_GLES20Canvas_createLayerRenderer }, 727 { "nCreateLayer", "(IIZ[I)I", (void*) android_view_GLES20Canvas_createLayer }, 728 { "nResizeLayer", "(III[I)V" , (void*) android_view_GLES20Canvas_resizeLayer }, 729 { "nCreateTextureLayer", "([I)I", (void*) android_view_GLES20Canvas_createTextureLayer }, 730 { "nUpdateTextureLayer", "(IIII)V", (void*) android_view_GLES20Canvas_updateTextureLayer }, 731 { "nDestroyLayer", "(I)V", (void*) android_view_GLES20Canvas_destroyLayer }, 732 { "nDestroyLayerDeferred", "(I)V", (void*) android_view_GLES20Canvas_destroyLayerDeferred }, 733 { "nDrawLayer", "(IIFFI)V", (void*) android_view_GLES20Canvas_drawLayer }, 734 735#endif 736}; 737 738static JNINativeMethod gActivityThreadMethods[] = { 739 { "dumpGraphicsInfo", "(Ljava/io/FileDescriptor;)V", 740 (void*) android_app_ActivityThread_dumpGraphics } 741}; 742 743 744#ifdef USE_OPENGL_RENDERER 745 #define FIND_CLASS(var, className) \ 746 var = env->FindClass(className); \ 747 LOG_FATAL_IF(! var, "Unable to find class " className); 748 749 #define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) \ 750 var = env->GetMethodID(clazz, methodName, methodDescriptor); \ 751 LOG_FATAL_IF(! var, "Unable to find method " methodName); 752#else 753 #define FIND_CLASS(var, className) 754 #define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) 755#endif 756 757int register_android_view_GLES20Canvas(JNIEnv* env) { 758 jclass clazz; 759 FIND_CLASS(clazz, "android/graphics/Rect"); 760 GET_METHOD_ID(gRectClassInfo.set, clazz, "set", "(IIII)V"); 761 762 return AndroidRuntime::registerNativeMethods(env, kClassPathName, gMethods, NELEM(gMethods)); 763} 764 765const char* const kActivityThreadPathName = "android/app/ActivityThread"; 766 767int register_android_app_ActivityThread(JNIEnv* env) 768{ 769 return AndroidRuntime::registerNativeMethods( 770 env, kActivityThreadPathName, 771 gActivityThreadMethods, NELEM(gActivityThreadMethods)); 772} 773 774}; 775