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 48 namespace android { 49 50 using 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 79 static struct { 80 jmethodID set; 81 } gRectClassInfo; 82 83 // ---------------------------------------------------------------------------- 84 // Misc 85 // ---------------------------------------------------------------------------- 86 87 static 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 } 101 102 static 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 static void android_view_GLES20Canvas_disableVsync(JNIEnv* env, jobject clazz) { 119 EGLDisplay display = eglGetCurrentDisplay(); 120 121 eglGetError(); 122 eglSwapInterval(display, 0); 123 124 EGLint error = eglGetError(); 125 if (error != EGL_SUCCESS) { 126 RENDERER_LOGD("Could not disable v-sync (%x)", error); 127 } 128 } 129 130 static void android_view_GLES20Canvas_flushCaches(JNIEnv* env, jobject clazz, 131 Caches::FlushMode mode) { 132 if (Caches::hasInstance()) { 133 Caches::getInstance().flush(mode); 134 } 135 } 136 137 // ---------------------------------------------------------------------------- 138 // Constructors 139 // ---------------------------------------------------------------------------- 140 141 static OpenGLRenderer* android_view_GLES20Canvas_createRenderer(JNIEnv* env, jobject clazz) { 142 RENDERER_LOGD("Create OpenGLRenderer"); 143 return new OpenGLRenderer; 144 } 145 146 static void android_view_GLES20Canvas_destroyRenderer(JNIEnv* env, jobject clazz, 147 OpenGLRenderer* renderer) { 148 RENDERER_LOGD("Destroy OpenGLRenderer"); 149 delete renderer; 150 } 151 152 // ---------------------------------------------------------------------------- 153 // Setup 154 // ---------------------------------------------------------------------------- 155 156 static void android_view_GLES20Canvas_setViewport(JNIEnv* env, jobject clazz, 157 OpenGLRenderer* renderer, jint width, jint height) { 158 renderer->setViewport(width, height); 159 } 160 161 static void android_view_GLES20Canvas_prepare(JNIEnv* env, jobject clazz, 162 OpenGLRenderer* renderer, jboolean opaque) { 163 renderer->prepare(opaque); 164 } 165 166 static void android_view_GLES20Canvas_prepareDirty(JNIEnv* env, jobject clazz, 167 OpenGLRenderer* renderer, jint left, jint top, jint right, jint bottom, 168 jboolean opaque) { 169 renderer->prepareDirty(left, top, right, bottom, opaque); 170 } 171 172 static void android_view_GLES20Canvas_finish(JNIEnv* env, jobject clazz, 173 OpenGLRenderer* renderer) { 174 renderer->finish(); 175 } 176 177 static bool android_view_GLES20Canvas_callDrawGLFunction(JNIEnv* env, jobject clazz, 178 OpenGLRenderer* renderer, Functor *functor) { 179 android::uirenderer::Rect dirty; 180 return renderer->callDrawGLFunction(functor, dirty); 181 } 182 183 static jint android_view_GLES20Canvas_getMaxTextureWidth(JNIEnv* env, jobject clazz) { 184 return Caches::getInstance().maxTextureSize; 185 } 186 187 static jint android_view_GLES20Canvas_getMaxTextureHeight(JNIEnv* env, jobject clazz) { 188 return Caches::getInstance().maxTextureSize; 189 } 190 191 // ---------------------------------------------------------------------------- 192 // State 193 // ---------------------------------------------------------------------------- 194 195 static jint android_view_GLES20Canvas_save(JNIEnv* env, jobject clazz, OpenGLRenderer* renderer, 196 jint flags) { 197 return renderer->save(flags); 198 } 199 200 static jint android_view_GLES20Canvas_getSaveCount(JNIEnv* env, jobject clazz, 201 OpenGLRenderer* renderer) { 202 return renderer->getSaveCount(); 203 } 204 205 static void android_view_GLES20Canvas_restore(JNIEnv* env, jobject clazz, 206 OpenGLRenderer* renderer) { 207 renderer->restore(); 208 } 209 210 static void android_view_GLES20Canvas_restoreToCount(JNIEnv* env, jobject clazz, 211 OpenGLRenderer* renderer, jint saveCount) { 212 renderer->restoreToCount(saveCount); 213 } 214 215 // ---------------------------------------------------------------------------- 216 // Layers 217 // ---------------------------------------------------------------------------- 218 219 static jint android_view_GLES20Canvas_saveLayer(JNIEnv* env, jobject clazz, 220 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 221 SkPaint* paint, jint saveFlags) { 222 return renderer->saveLayer(left, top, right, bottom, paint, saveFlags); 223 } 224 225 static jint android_view_GLES20Canvas_saveLayerClip(JNIEnv* env, jobject clazz, 226 OpenGLRenderer* renderer, SkPaint* paint, jint saveFlags) { 227 const android::uirenderer::Rect& bounds(renderer->getClipBounds()); 228 return renderer->saveLayer(bounds.left, bounds.top, bounds.right, bounds.bottom, 229 paint, saveFlags); 230 } 231 232 static jint android_view_GLES20Canvas_saveLayerAlpha(JNIEnv* env, jobject clazz, 233 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 234 jint alpha, jint saveFlags) { 235 return renderer->saveLayerAlpha(left, top, right, bottom, alpha, saveFlags); 236 } 237 238 static jint android_view_GLES20Canvas_saveLayerAlphaClip(JNIEnv* env, jobject clazz, 239 OpenGLRenderer* renderer, jint alpha, jint saveFlags) { 240 const android::uirenderer::Rect& bounds(renderer->getClipBounds()); 241 return renderer->saveLayerAlpha(bounds.left, bounds.top, bounds.right, bounds.bottom, 242 alpha, saveFlags); 243 } 244 245 // ---------------------------------------------------------------------------- 246 // Clipping 247 // ---------------------------------------------------------------------------- 248 249 static bool android_view_GLES20Canvas_quickReject(JNIEnv* env, jobject clazz, 250 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 251 SkCanvas::EdgeType edge) { 252 return renderer->quickReject(left, top, right, bottom); 253 } 254 255 static bool android_view_GLES20Canvas_clipRectF(JNIEnv* env, jobject clazz, 256 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 257 SkRegion::Op op) { 258 return renderer->clipRect(left, top, right, bottom, op); 259 } 260 261 static bool android_view_GLES20Canvas_clipRect(JNIEnv* env, jobject clazz, 262 OpenGLRenderer* renderer, jint left, jint top, jint right, jint bottom, 263 SkRegion::Op op) { 264 return renderer->clipRect(float(left), float(top), float(right), float(bottom), op); 265 } 266 267 static bool android_view_GLES20Canvas_getClipBounds(JNIEnv* env, jobject clazz, 268 OpenGLRenderer* renderer, jobject rect) { 269 const android::uirenderer::Rect& bounds(renderer->getClipBounds()); 270 271 env->CallVoidMethod(rect, gRectClassInfo.set, 272 int(bounds.left), int(bounds.top), int(bounds.right), int(bounds.bottom)); 273 274 return !bounds.isEmpty(); 275 } 276 277 // ---------------------------------------------------------------------------- 278 // Transforms 279 // ---------------------------------------------------------------------------- 280 281 static void android_view_GLES20Canvas_translate(JNIEnv* env, jobject clazz, 282 OpenGLRenderer* renderer, jfloat dx, jfloat dy) { 283 renderer->translate(dx, dy); 284 } 285 286 static void android_view_GLES20Canvas_rotate(JNIEnv* env, jobject clazz, 287 OpenGLRenderer* renderer, jfloat degrees) { 288 renderer->rotate(degrees); 289 } 290 291 static void android_view_GLES20Canvas_scale(JNIEnv* env, jobject clazz, 292 OpenGLRenderer* renderer, jfloat sx, jfloat sy) { 293 renderer->scale(sx, sy); 294 } 295 296 static void android_view_GLES20Canvas_skew(JNIEnv* env, jobject clazz, 297 OpenGLRenderer* renderer, jfloat sx, jfloat sy) { 298 renderer->skew(sx, sy); 299 } 300 301 static void android_view_GLES20Canvas_setMatrix(JNIEnv* env, jobject clazz, 302 OpenGLRenderer* renderer, SkMatrix* matrix) { 303 renderer->setMatrix(matrix); 304 } 305 306 static void android_view_GLES20Canvas_getMatrix(JNIEnv* env, jobject clazz, 307 OpenGLRenderer* renderer, SkMatrix* matrix) { 308 renderer->getMatrix(matrix); 309 } 310 311 static void android_view_GLES20Canvas_concatMatrix(JNIEnv* env, jobject clazz, 312 OpenGLRenderer* renderer, SkMatrix* matrix) { 313 renderer->concatMatrix(matrix); 314 } 315 316 // ---------------------------------------------------------------------------- 317 // Drawing 318 // ---------------------------------------------------------------------------- 319 320 static void android_view_GLES20Canvas_drawBitmap(JNIEnv* env, jobject clazz, 321 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, float left, 322 float top, SkPaint* paint) { 323 // This object allows the renderer to allocate a global JNI ref to the buffer object. 324 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 325 326 renderer->drawBitmap(bitmap, left, top, paint); 327 } 328 329 static void android_view_GLES20Canvas_drawBitmapRect(JNIEnv* env, jobject clazz, 330 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, 331 float srcLeft, float srcTop, float srcRight, float srcBottom, 332 float dstLeft, float dstTop, float dstRight, float dstBottom, SkPaint* paint) { 333 // This object allows the renderer to allocate a global JNI ref to the buffer object. 334 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 335 336 renderer->drawBitmap(bitmap, srcLeft, srcTop, srcRight, srcBottom, 337 dstLeft, dstTop, dstRight, dstBottom, paint); 338 } 339 340 static void android_view_GLES20Canvas_drawBitmapMatrix(JNIEnv* env, jobject clazz, 341 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, SkMatrix* matrix, 342 SkPaint* paint) { 343 // This object allows the renderer to allocate a global JNI ref to the buffer object. 344 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 345 346 renderer->drawBitmap(bitmap, matrix, paint); 347 } 348 349 static void android_view_GLES20Canvas_drawBitmapMesh(JNIEnv* env, jobject clazz, 350 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, 351 jint meshWidth, jint meshHeight, jfloatArray vertices, jint offset, 352 jintArray colors, jint colorOffset, SkPaint* paint) { 353 // This object allows the renderer to allocate a global JNI ref to the buffer object. 354 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 355 356 jfloat* verticesArray = vertices ? env->GetFloatArrayElements(vertices, NULL) + offset : NULL; 357 jint* colorsArray = colors ? env->GetIntArrayElements(colors, NULL) + colorOffset : NULL; 358 359 renderer->drawBitmapMesh(bitmap, meshWidth, meshHeight, verticesArray, colorsArray, paint); 360 361 if (vertices) env->ReleaseFloatArrayElements(vertices, verticesArray, 0); 362 if (colors) env->ReleaseIntArrayElements(colors, colorsArray, 0); 363 } 364 365 static void android_view_GLES20Canvas_drawPatch(JNIEnv* env, jobject clazz, 366 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, jbyteArray chunks, 367 float left, float top, float right, float bottom, SkPaint* paint) { 368 // This object allows the renderer to allocate a global JNI ref to the buffer object. 369 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 370 371 jbyte* storage = env->GetByteArrayElements(chunks, NULL); 372 Res_png_9patch* patch = reinterpret_cast<Res_png_9patch*>(storage); 373 Res_png_9patch::deserialize(patch); 374 375 renderer->drawPatch(bitmap, &patch->xDivs[0], &patch->yDivs[0], 376 &patch->colors[0], patch->numXDivs, patch->numYDivs, patch->numColors, 377 left, top, right, bottom, paint); 378 379 env->ReleaseByteArrayElements(chunks, storage, 0); 380 } 381 382 static void android_view_GLES20Canvas_drawColor(JNIEnv* env, jobject clazz, 383 OpenGLRenderer* renderer, jint color, SkXfermode::Mode mode) { 384 renderer->drawColor(color, mode); 385 } 386 387 static void android_view_GLES20Canvas_drawRect(JNIEnv* env, jobject clazz, 388 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 389 SkPaint* paint) { 390 renderer->drawRect(left, top, right, bottom, paint); 391 } 392 393 static void android_view_GLES20Canvas_drawRoundRect(JNIEnv* env, jobject clazz, 394 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 395 jfloat rx, jfloat ry, SkPaint* paint) { 396 renderer->drawRoundRect(left, top, right, bottom, rx, ry, paint); 397 } 398 399 static void android_view_GLES20Canvas_drawCircle(JNIEnv* env, jobject clazz, 400 OpenGLRenderer* renderer, jfloat x, jfloat y, jfloat radius, SkPaint* paint) { 401 renderer->drawCircle(x, y, radius, paint); 402 } 403 404 static void android_view_GLES20Canvas_drawOval(JNIEnv* env, jobject clazz, 405 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 406 SkPaint* paint) { 407 renderer->drawOval(left, top, right, bottom, paint); 408 } 409 410 static void android_view_GLES20Canvas_drawArc(JNIEnv* env, jobject clazz, 411 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 412 jfloat startAngle, jfloat sweepAngle, jboolean useCenter, SkPaint* paint) { 413 renderer->drawArc(left, top, right, bottom, startAngle, sweepAngle, useCenter, paint); 414 } 415 416 static void android_view_GLES20Canvas_drawRects(JNIEnv* env, jobject clazz, 417 OpenGLRenderer* renderer, SkRegion* region, SkPaint* paint) { 418 SkRegion::Iterator it(*region); 419 while (!it.done()) { 420 const SkIRect& r = it.rect(); 421 renderer->drawRect(r.fLeft, r.fTop, r.fRight, r.fBottom, paint); 422 it.next(); 423 } 424 } 425 426 static void android_view_GLES20Canvas_drawPoints(JNIEnv* env, jobject clazz, 427 OpenGLRenderer* renderer, jfloatArray points, jint offset, jint count, SkPaint* paint) { 428 jfloat* storage = env->GetFloatArrayElements(points, NULL); 429 renderer->drawPoints(storage + offset, count, paint); 430 env->ReleaseFloatArrayElements(points, storage, 0); 431 } 432 433 static void android_view_GLES20Canvas_drawPath(JNIEnv* env, jobject clazz, 434 OpenGLRenderer* renderer, SkPath* path, SkPaint* paint) { 435 renderer->drawPath(path, paint); 436 } 437 438 static void android_view_GLES20Canvas_drawLines(JNIEnv* env, jobject clazz, 439 OpenGLRenderer* renderer, jfloatArray points, jint offset, jint count, SkPaint* paint) { 440 jfloat* storage = env->GetFloatArrayElements(points, NULL); 441 renderer->drawLines(storage + offset, count, paint); 442 env->ReleaseFloatArrayElements(points, storage, 0); 443 } 444 445 // ---------------------------------------------------------------------------- 446 // Shaders and color filters 447 // ---------------------------------------------------------------------------- 448 449 static void android_view_GLES20Canvas_resetModifiers(JNIEnv* env, jobject clazz, 450 OpenGLRenderer* renderer, jint modifiers) { 451 if (modifiers & MODIFIER_SHADOW) renderer->resetShadow(); 452 if (modifiers & MODIFIER_SHADER) renderer->resetShader(); 453 if (modifiers & MODIFIER_COLOR_FILTER) renderer->resetColorFilter(); 454 } 455 456 static void android_view_GLES20Canvas_setupShader(JNIEnv* env, jobject clazz, 457 OpenGLRenderer* renderer, SkiaShader* shader) { 458 renderer->setupShader(shader); 459 } 460 461 static void android_view_GLES20Canvas_setupColorFilter(JNIEnv* env, jobject clazz, 462 OpenGLRenderer* renderer, SkiaColorFilter* filter) { 463 renderer->setupColorFilter(filter); 464 } 465 466 static void android_view_GLES20Canvas_setupShadow(JNIEnv* env, jobject clazz, 467 OpenGLRenderer* renderer, jfloat radius, jfloat dx, jfloat dy, jint color) { 468 renderer->setupShadow(radius, dx, dy, color); 469 } 470 471 // ---------------------------------------------------------------------------- 472 // Text 473 // ---------------------------------------------------------------------------- 474 475 static void renderText(OpenGLRenderer* renderer, const jchar* text, int count, 476 jfloat x, jfloat y, int flags, SkPaint* paint) { 477 #if RTL_USE_HARFBUZZ 478 sp<TextLayoutCacheValue> value; 479 #if USE_TEXT_LAYOUT_CACHE 480 value = TextLayoutCache::getInstance().getValue(paint, text, 0, count, count, flags); 481 if (value == NULL) { 482 LOGE("Cannot get TextLayoutCache value"); 483 return ; 484 } 485 #else 486 value = new TextLayoutCacheValue(); 487 value->computeValues(paint, text, 0, count, count, flags); 488 #endif 489 const jchar* glyphs = value->getGlyphs(); 490 size_t glyphsCount = value->getGlyphsCount(); 491 int bytesCount = glyphsCount * sizeof(jchar); 492 renderer->drawText((const char*) glyphs, bytesCount, glyphsCount, x, y, paint); 493 #else 494 const jchar *workText; 495 jchar* buffer = NULL; 496 int32_t workBytes; 497 if (TextLayout::prepareText(paint, text, count, flags, &workText, &workBytes, &buffer)) { 498 renderer->drawText((const char*) workText, workBytes, count, x, y, paint); 499 free(buffer); 500 } 501 #endif 502 } 503 504 static void renderTextRun(OpenGLRenderer* renderer, const jchar* text, 505 jint start, jint count, jint contextCount, jfloat x, jfloat y, 506 int flags, SkPaint* paint) { 507 #if RTL_USE_HARFBUZZ 508 sp<TextLayoutCacheValue> value; 509 #if USE_TEXT_LAYOUT_CACHE 510 value = TextLayoutCache::getInstance().getValue(paint, text, start, count, contextCount, flags); 511 if (value == NULL) { 512 LOGE("Cannot get TextLayoutCache value"); 513 return ; 514 } 515 #else 516 value = new TextLayoutCacheValue(); 517 value->computeValues(paint, text, start, count, contextCount, flags); 518 #endif 519 const jchar* glyphs = value->getGlyphs(); 520 size_t glyphsCount = value->getGlyphsCount(); 521 int bytesCount = glyphsCount * sizeof(jchar); 522 renderer->drawText((const char*) glyphs, bytesCount, glyphsCount, x, y, paint); 523 #else 524 uint8_t rtl = flags & 0x1; 525 if (rtl) { 526 SkAutoSTMalloc<80, jchar> buffer(contextCount); 527 jchar* shaped = buffer.get(); 528 if (TextLayout::prepareRtlTextRun(text, start, count, contextCount, shaped)) { 529 renderer->drawText((const char*) shaped, count << 1, count, x, y, paint); 530 } else { 531 LOGW("drawTextRun error"); 532 } 533 } else { 534 renderer->drawText((const char*) (text + start), count << 1, count, x, y, paint); 535 } 536 #endif 537 } 538 539 static void android_view_GLES20Canvas_drawTextArray(JNIEnv* env, jobject clazz, 540 OpenGLRenderer* renderer, jcharArray text, jint index, jint count, 541 jfloat x, jfloat y, jint flags, SkPaint* paint) { 542 jchar* textArray = env->GetCharArrayElements(text, NULL); 543 renderText(renderer, textArray + index, count, x, y, flags, paint); 544 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 545 } 546 547 static void android_view_GLES20Canvas_drawText(JNIEnv* env, jobject clazz, 548 OpenGLRenderer* renderer, jstring text, jint start, jint end, 549 jfloat x, jfloat y, jint flags, SkPaint* paint) { 550 const jchar* textArray = env->GetStringChars(text, NULL); 551 renderText(renderer, textArray + start, end - start, x, y, flags, paint); 552 env->ReleaseStringChars(text, textArray); 553 } 554 555 static void android_view_GLES20Canvas_drawTextRunArray(JNIEnv* env, jobject clazz, 556 OpenGLRenderer* renderer, jcharArray text, jint index, jint count, 557 jint contextIndex, jint contextCount, jfloat x, jfloat y, jint dirFlags, 558 SkPaint* paint) { 559 jchar* textArray = env->GetCharArrayElements(text, NULL); 560 renderTextRun(renderer, textArray + contextIndex, index - contextIndex, 561 count, contextCount, x, y, dirFlags, paint); 562 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 563 } 564 565 static void android_view_GLES20Canvas_drawTextRun(JNIEnv* env, jobject clazz, 566 OpenGLRenderer* renderer, jstring text, jint start, jint end, 567 jint contextStart, int contextEnd, jfloat x, jfloat y, jint dirFlags, 568 SkPaint* paint) { 569 const jchar* textArray = env->GetStringChars(text, NULL); 570 jint count = end - start; 571 jint contextCount = contextEnd - contextStart; 572 renderTextRun(renderer, textArray + contextStart, start - contextStart, 573 count, contextCount, x, y, dirFlags, paint); 574 env->ReleaseStringChars(text, textArray); 575 } 576 577 // ---------------------------------------------------------------------------- 578 // Display lists 579 // ---------------------------------------------------------------------------- 580 581 static DisplayList* android_view_GLES20Canvas_getDisplayList(JNIEnv* env, 582 jobject clazz, DisplayListRenderer* renderer, DisplayList* displayList) { 583 return renderer->getDisplayList(displayList); 584 } 585 586 static jint android_view_GLES20Canvas_getDisplayListSize(JNIEnv* env, 587 jobject clazz, DisplayList* displayList) { 588 return displayList->getSize(); 589 } 590 591 static OpenGLRenderer* android_view_GLES20Canvas_createDisplayListRenderer(JNIEnv* env, 592 jobject clazz) { 593 return new DisplayListRenderer; 594 } 595 596 static void android_view_GLES20Canvas_resetDisplayListRenderer(JNIEnv* env, 597 jobject clazz, DisplayListRenderer* renderer) { 598 renderer->reset(); 599 } 600 601 static void android_view_GLES20Canvas_destroyDisplayList(JNIEnv* env, 602 jobject clazz, DisplayList* displayList) { 603 delete displayList; 604 } 605 606 static bool android_view_GLES20Canvas_drawDisplayList(JNIEnv* env, 607 jobject clazz, OpenGLRenderer* renderer, DisplayList* displayList, 608 jint width, jint height, jobject dirty) { 609 android::uirenderer::Rect bounds; 610 bool redraw = renderer->drawDisplayList(displayList, width, height, bounds); 611 if (redraw && dirty != NULL) { 612 env->CallVoidMethod(dirty, gRectClassInfo.set, 613 int(bounds.left), int(bounds.top), int(bounds.right), int(bounds.bottom)); 614 } 615 return redraw; 616 } 617 618 static void android_view_GLES20Canvas_outputDisplayList(JNIEnv* env, 619 jobject clazz, OpenGLRenderer* renderer, DisplayList* displayList) { 620 renderer->outputDisplayList(displayList); 621 } 622 623 // ---------------------------------------------------------------------------- 624 // Layers 625 // ---------------------------------------------------------------------------- 626 627 static void android_view_GLES20Canvas_interrupt(JNIEnv* env, jobject clazz, 628 OpenGLRenderer* renderer) { 629 renderer->interrupt(); 630 } 631 632 static void android_view_GLES20Canvas_resume(JNIEnv* env, jobject clazz, 633 OpenGLRenderer* renderer) { 634 renderer->resume(); 635 } 636 637 static OpenGLRenderer* android_view_GLES20Canvas_createLayerRenderer(JNIEnv* env, 638 jobject clazz, Layer* layer) { 639 if (layer) { 640 return new LayerRenderer(layer); 641 } 642 return NULL; 643 } 644 645 static Layer* android_view_GLES20Canvas_createTextureLayer(JNIEnv* env, jobject clazz, 646 jboolean isOpaque, jintArray layerInfo) { 647 Layer* layer = LayerRenderer::createTextureLayer(isOpaque); 648 649 if (layer) { 650 jint* storage = env->GetIntArrayElements(layerInfo, NULL); 651 storage[0] = layer->getTexture(); 652 env->ReleaseIntArrayElements(layerInfo, storage, 0); 653 } 654 655 return layer; 656 } 657 658 static Layer* android_view_GLES20Canvas_createLayer(JNIEnv* env, jobject clazz, 659 jint width, jint height, jboolean isOpaque, jintArray layerInfo) { 660 Layer* layer = LayerRenderer::createLayer(width, height, isOpaque); 661 662 if (layer) { 663 jint* storage = env->GetIntArrayElements(layerInfo, NULL); 664 storage[0] = layer->getWidth(); 665 storage[1] = layer->getHeight(); 666 env->ReleaseIntArrayElements(layerInfo, storage, 0); 667 } 668 669 return layer; 670 } 671 672 static void android_view_GLES20Canvas_resizeLayer(JNIEnv* env, jobject clazz, 673 Layer* layer, jint width, jint height, jintArray layerInfo) { 674 LayerRenderer::resizeLayer(layer, width, height); 675 676 jint* storage = env->GetIntArrayElements(layerInfo, NULL); 677 storage[0] = layer->getWidth(); 678 storage[1] = layer->getHeight(); 679 env->ReleaseIntArrayElements(layerInfo, storage, 0); 680 } 681 682 static void android_view_GLES20Canvas_updateTextureLayer(JNIEnv* env, jobject clazz, 683 Layer* layer, jint width, jint height, jboolean isOpaque, jobject surface) { 684 float transform[16]; 685 sp<SurfaceTexture> surfaceTexture(SurfaceTexture_getSurfaceTexture(env, surface)); 686 687 surfaceTexture->updateTexImage(); 688 surfaceTexture->getTransformMatrix(transform); 689 GLenum renderTarget = surfaceTexture->getCurrentTextureTarget(); 690 691 LayerRenderer::updateTextureLayer(layer, width, height, isOpaque, renderTarget, transform); 692 } 693 694 static void android_view_GLES20Canvas_setTextureLayerTransform(JNIEnv* env, jobject clazz, 695 Layer* layer, SkMatrix* matrix) { 696 697 layer->getTransform().load(*matrix); 698 } 699 700 static void android_view_GLES20Canvas_destroyLayer(JNIEnv* env, jobject clazz, Layer* layer) { 701 LayerRenderer::destroyLayer(layer); 702 } 703 704 static void android_view_GLES20Canvas_destroyLayerDeferred(JNIEnv* env, 705 jobject clazz, Layer* layer) { 706 LayerRenderer::destroyLayerDeferred(layer); 707 } 708 709 static void android_view_GLES20Canvas_drawLayer(JNIEnv* env, jobject clazz, 710 OpenGLRenderer* renderer, Layer* layer, jfloat x, jfloat y, SkPaint* paint) { 711 renderer->drawLayer(layer, x, y, paint); 712 } 713 714 static jboolean android_view_GLES20Canvas_copyLayer(JNIEnv* env, jobject clazz, 715 Layer* layer, SkBitmap* bitmap) { 716 return LayerRenderer::copyLayer(layer, bitmap); 717 } 718 719 #endif // USE_OPENGL_RENDERER 720 721 // ---------------------------------------------------------------------------- 722 // Common 723 // ---------------------------------------------------------------------------- 724 725 static jboolean android_view_GLES20Canvas_isAvailable(JNIEnv* env, jobject clazz) { 726 #ifdef USE_OPENGL_RENDERER 727 return JNI_TRUE; 728 #else 729 return JNI_FALSE; 730 #endif 731 } 732 733 // ---------------------------------------------------------------------------- 734 // Logging 735 // ---------------------------------------------------------------------------- 736 737 static void 738 android_app_ActivityThread_dumpGraphics(JNIEnv* env, jobject clazz, jobject javaFileDescriptor) { 739 #ifdef USE_OPENGL_RENDERER 740 int fd = jniGetFDFromFileDescriptor(env, javaFileDescriptor); 741 android::uirenderer::DisplayList::outputLogBuffer(fd); 742 #endif // USE_OPENGL_RENDERER 743 } 744 745 // ---------------------------------------------------------------------------- 746 // JNI Glue 747 // ---------------------------------------------------------------------------- 748 749 const char* const kClassPathName = "android/view/GLES20Canvas"; 750 751 static JNINativeMethod gMethods[] = { 752 { "nIsAvailable", "()Z", (void*) android_view_GLES20Canvas_isAvailable }, 753 754 #ifdef USE_OPENGL_RENDERER 755 { "nIsBackBufferPreserved", "()Z", (void*) android_view_GLES20Canvas_isBackBufferPreserved }, 756 { "nPreserveBackBuffer", "()Z", (void*) android_view_GLES20Canvas_preserveBackBuffer }, 757 { "nDisableVsync", "()V", (void*) android_view_GLES20Canvas_disableVsync }, 758 { "nFlushCaches", "(I)V", (void*) android_view_GLES20Canvas_flushCaches }, 759 760 { "nCreateRenderer", "()I", (void*) android_view_GLES20Canvas_createRenderer }, 761 { "nDestroyRenderer", "(I)V", (void*) android_view_GLES20Canvas_destroyRenderer }, 762 { "nSetViewport", "(III)V", (void*) android_view_GLES20Canvas_setViewport }, 763 { "nPrepare", "(IZ)V", (void*) android_view_GLES20Canvas_prepare }, 764 { "nPrepareDirty", "(IIIIIZ)V", (void*) android_view_GLES20Canvas_prepareDirty }, 765 { "nFinish", "(I)V", (void*) android_view_GLES20Canvas_finish }, 766 767 { "nCallDrawGLFunction", "(II)Z", 768 (void*) android_view_GLES20Canvas_callDrawGLFunction }, 769 770 { "nSave", "(II)I", (void*) android_view_GLES20Canvas_save }, 771 { "nRestore", "(I)V", (void*) android_view_GLES20Canvas_restore }, 772 { "nRestoreToCount", "(II)V", (void*) android_view_GLES20Canvas_restoreToCount }, 773 { "nGetSaveCount", "(I)I", (void*) android_view_GLES20Canvas_getSaveCount }, 774 775 { "nSaveLayer", "(IFFFFII)I", (void*) android_view_GLES20Canvas_saveLayer }, 776 { "nSaveLayer", "(III)I", (void*) android_view_GLES20Canvas_saveLayerClip }, 777 { "nSaveLayerAlpha", "(IFFFFII)I", (void*) android_view_GLES20Canvas_saveLayerAlpha }, 778 { "nSaveLayerAlpha", "(III)I", (void*) android_view_GLES20Canvas_saveLayerAlphaClip }, 779 780 { "nQuickReject", "(IFFFFI)Z", (void*) android_view_GLES20Canvas_quickReject }, 781 { "nClipRect", "(IFFFFI)Z", (void*) android_view_GLES20Canvas_clipRectF }, 782 { "nClipRect", "(IIIIII)Z", (void*) android_view_GLES20Canvas_clipRect }, 783 784 { "nTranslate", "(IFF)V", (void*) android_view_GLES20Canvas_translate }, 785 { "nRotate", "(IF)V", (void*) android_view_GLES20Canvas_rotate }, 786 { "nScale", "(IFF)V", (void*) android_view_GLES20Canvas_scale }, 787 { "nSkew", "(IFF)V", (void*) android_view_GLES20Canvas_skew }, 788 789 { "nSetMatrix", "(II)V", (void*) android_view_GLES20Canvas_setMatrix }, 790 { "nGetMatrix", "(II)V", (void*) android_view_GLES20Canvas_getMatrix }, 791 { "nConcatMatrix", "(II)V", (void*) android_view_GLES20Canvas_concatMatrix }, 792 793 { "nDrawBitmap", "(II[BFFI)V", (void*) android_view_GLES20Canvas_drawBitmap }, 794 { "nDrawBitmap", "(II[BFFFFFFFFI)V",(void*) android_view_GLES20Canvas_drawBitmapRect }, 795 { "nDrawBitmap", "(II[BII)V", (void*) android_view_GLES20Canvas_drawBitmapMatrix }, 796 797 { "nDrawBitmapMesh", "(II[BII[FI[III)V",(void*) android_view_GLES20Canvas_drawBitmapMesh }, 798 799 { "nDrawPatch", "(II[B[BFFFFI)V", (void*) android_view_GLES20Canvas_drawPatch }, 800 801 { "nDrawColor", "(III)V", (void*) android_view_GLES20Canvas_drawColor }, 802 { "nDrawRect", "(IFFFFI)V", (void*) android_view_GLES20Canvas_drawRect }, 803 { "nDrawRects", "(III)V", (void*) android_view_GLES20Canvas_drawRects }, 804 { "nDrawRoundRect", "(IFFFFFFI)V", (void*) android_view_GLES20Canvas_drawRoundRect }, 805 { "nDrawCircle", "(IFFFI)V", (void*) android_view_GLES20Canvas_drawCircle }, 806 { "nDrawOval", "(IFFFFI)V", (void*) android_view_GLES20Canvas_drawOval }, 807 { "nDrawArc", "(IFFFFFFZI)V", (void*) android_view_GLES20Canvas_drawArc }, 808 { "nDrawPoints", "(I[FIII)V", (void*) android_view_GLES20Canvas_drawPoints }, 809 810 { "nDrawPath", "(III)V", (void*) android_view_GLES20Canvas_drawPath }, 811 { "nDrawLines", "(I[FIII)V", (void*) android_view_GLES20Canvas_drawLines }, 812 813 { "nResetModifiers", "(II)V", (void*) android_view_GLES20Canvas_resetModifiers }, 814 { "nSetupShader", "(II)V", (void*) android_view_GLES20Canvas_setupShader }, 815 { "nSetupColorFilter", "(II)V", (void*) android_view_GLES20Canvas_setupColorFilter }, 816 { "nSetupShadow", "(IFFFI)V", (void*) android_view_GLES20Canvas_setupShadow }, 817 818 { "nDrawText", "(I[CIIFFII)V", (void*) android_view_GLES20Canvas_drawTextArray }, 819 { "nDrawText", "(ILjava/lang/String;IIFFII)V", 820 (void*) android_view_GLES20Canvas_drawText }, 821 822 { "nDrawTextRun", "(I[CIIIIFFII)V", (void*) android_view_GLES20Canvas_drawTextRunArray }, 823 { "nDrawTextRun", "(ILjava/lang/String;IIIIFFII)V", 824 (void*) android_view_GLES20Canvas_drawTextRun }, 825 826 { "nGetClipBounds", "(ILandroid/graphics/Rect;)Z", 827 (void*) android_view_GLES20Canvas_getClipBounds }, 828 829 { "nGetDisplayList", "(II)I", (void*) android_view_GLES20Canvas_getDisplayList }, 830 { "nDestroyDisplayList", "(I)V", (void*) android_view_GLES20Canvas_destroyDisplayList }, 831 { "nGetDisplayListSize", "(I)I", (void*) android_view_GLES20Canvas_getDisplayListSize }, 832 { "nCreateDisplayListRenderer", "()I", (void*) android_view_GLES20Canvas_createDisplayListRenderer }, 833 { "nResetDisplayListRenderer", "(I)V", (void*) android_view_GLES20Canvas_resetDisplayListRenderer }, 834 { "nDrawDisplayList", "(IIIILandroid/graphics/Rect;)Z", 835 (void*) android_view_GLES20Canvas_drawDisplayList }, 836 { "nOutputDisplayList", "(II)V", (void*) android_view_GLES20Canvas_outputDisplayList }, 837 { "nInterrupt", "(I)V", (void*) android_view_GLES20Canvas_interrupt }, 838 { "nResume", "(I)V", (void*) android_view_GLES20Canvas_resume }, 839 840 { "nCreateLayerRenderer", "(I)I", (void*) android_view_GLES20Canvas_createLayerRenderer }, 841 { "nCreateLayer", "(IIZ[I)I", (void*) android_view_GLES20Canvas_createLayer }, 842 { "nResizeLayer", "(III[I)V" , (void*) android_view_GLES20Canvas_resizeLayer }, 843 { "nCreateTextureLayer", "(Z[I)I", (void*) android_view_GLES20Canvas_createTextureLayer }, 844 { "nUpdateTextureLayer", "(IIIZLandroid/graphics/SurfaceTexture;)V", 845 (void*) android_view_GLES20Canvas_updateTextureLayer }, 846 { "nSetTextureLayerTransform", "(II)V", (void*) android_view_GLES20Canvas_setTextureLayerTransform }, 847 { "nDestroyLayer", "(I)V", (void*) android_view_GLES20Canvas_destroyLayer }, 848 { "nDestroyLayerDeferred", "(I)V", (void*) android_view_GLES20Canvas_destroyLayerDeferred }, 849 { "nDrawLayer", "(IIFFI)V", (void*) android_view_GLES20Canvas_drawLayer }, 850 { "nCopyLayer", "(II)Z", (void*) android_view_GLES20Canvas_copyLayer }, 851 852 { "nGetMaximumTextureWidth", "()I", (void*) android_view_GLES20Canvas_getMaxTextureWidth }, 853 { "nGetMaximumTextureHeight", "()I", (void*) android_view_GLES20Canvas_getMaxTextureHeight }, 854 855 #endif 856 }; 857 858 static JNINativeMethod gActivityThreadMethods[] = { 859 { "dumpGraphicsInfo", "(Ljava/io/FileDescriptor;)V", 860 (void*) android_app_ActivityThread_dumpGraphics } 861 }; 862 863 864 #ifdef USE_OPENGL_RENDERER 865 #define FIND_CLASS(var, className) \ 866 var = env->FindClass(className); \ 867 LOG_FATAL_IF(! var, "Unable to find class " className); 868 869 #define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) \ 870 var = env->GetMethodID(clazz, methodName, methodDescriptor); \ 871 LOG_FATAL_IF(! var, "Unable to find method " methodName); 872 #else 873 #define FIND_CLASS(var, className) 874 #define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) 875 #endif 876 877 int register_android_view_GLES20Canvas(JNIEnv* env) { 878 jclass clazz; 879 FIND_CLASS(clazz, "android/graphics/Rect"); 880 GET_METHOD_ID(gRectClassInfo.set, clazz, "set", "(IIII)V"); 881 882 return AndroidRuntime::registerNativeMethods(env, kClassPathName, gMethods, NELEM(gMethods)); 883 } 884 885 const char* const kActivityThreadPathName = "android/app/ActivityThread"; 886 887 int register_android_app_ActivityThread(JNIEnv* env) { 888 return AndroidRuntime::registerNativeMethods(env, kActivityThreadPathName, 889 gActivityThreadMethods, NELEM(gActivityThreadMethods)); 890 } 891 892 }; 893
