Ficus Kirkpatrick | 1a9c27c | 2010-03-05 17:05:08 -0800 | [diff] [blame^] | 1 | #define LOG_TAG "GraphicsJNI" |
| 2 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 3 | #include "jni.h" |
| 4 | #include "GraphicsJNI.h" |
| 5 | #include "NIOBuffer.h" |
| 6 | #include "SkPicture.h" |
| 7 | #include "SkRegion.h" |
| 8 | #include <android_runtime/AndroidRuntime.h> |
| 9 | |
Mike Reed | 1b22b97 | 2009-07-17 11:21:47 -0400 | [diff] [blame] | 10 | //#define REPORT_SIZE_TO_JVM |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 11 | //#define TRACK_LOCK_COUNT |
| 12 | |
| 13 | void doThrow(JNIEnv* env, const char* exc, const char* msg) { |
| 14 | // don't throw a new exception if we already have one pending |
| 15 | if (env->ExceptionCheck() == JNI_FALSE) { |
| 16 | jclass npeClazz; |
| 17 | |
| 18 | npeClazz = env->FindClass(exc); |
| 19 | LOG_FATAL_IF(npeClazz == NULL, "Unable to find class %s", exc); |
| 20 | |
| 21 | env->ThrowNew(npeClazz, msg); |
| 22 | } |
| 23 | } |
| 24 | |
| 25 | void doThrowNPE(JNIEnv* env) { |
| 26 | doThrow(env, "java/lang/NullPointerException"); |
| 27 | } |
| 28 | |
| 29 | void doThrowAIOOBE(JNIEnv* env) { |
| 30 | doThrow(env, "java/lang/ArrayIndexOutOfBoundsException"); |
| 31 | } |
| 32 | |
| 33 | void doThrowRE(JNIEnv* env, const char* msg) { |
| 34 | doThrow(env, "java/lang/RuntimeException", msg); |
| 35 | } |
| 36 | |
| 37 | void doThrowIAE(JNIEnv* env, const char* msg) { |
| 38 | doThrow(env, "java/lang/IllegalArgumentException", msg); |
| 39 | } |
| 40 | |
| 41 | void doThrowISE(JNIEnv* env, const char* msg) { |
| 42 | doThrow(env, "java/lang/IllegalStateException", msg); |
| 43 | } |
| 44 | |
| 45 | void doThrowOOME(JNIEnv* env, const char* msg) { |
| 46 | doThrow(env, "java/lang/OutOfMemoryError", msg); |
| 47 | } |
| 48 | |
| 49 | bool GraphicsJNI::hasException(JNIEnv *env) { |
| 50 | if (env->ExceptionCheck() != 0) { |
| 51 | LOGE("*** Uncaught exception returned from Java call!\n"); |
| 52 | env->ExceptionDescribe(); |
| 53 | return true; |
| 54 | } |
| 55 | return false; |
| 56 | } |
| 57 | |
| 58 | /////////////////////////////////////////////////////////////////////////////// |
| 59 | |
| 60 | AutoJavaFloatArray::AutoJavaFloatArray(JNIEnv* env, jfloatArray array, |
Mike Reed | c04851f | 2009-10-28 15:09:45 -0400 | [diff] [blame] | 61 | int minLength, JNIAccess access) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 62 | : fEnv(env), fArray(array), fPtr(NULL), fLen(0) { |
| 63 | SkASSERT(env); |
| 64 | if (array) { |
| 65 | fLen = env->GetArrayLength(array); |
| 66 | if (fLen < minLength) { |
| 67 | sk_throw(); |
| 68 | } |
| 69 | fPtr = env->GetFloatArrayElements(array, NULL); |
| 70 | } |
Mike Reed | c04851f | 2009-10-28 15:09:45 -0400 | [diff] [blame] | 71 | fReleaseMode = (access == kRO_JNIAccess) ? JNI_ABORT : 0; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 72 | } |
| 73 | |
| 74 | AutoJavaFloatArray::~AutoJavaFloatArray() { |
| 75 | if (fPtr) { |
Mike Reed | c04851f | 2009-10-28 15:09:45 -0400 | [diff] [blame] | 76 | fEnv->ReleaseFloatArrayElements(fArray, fPtr, fReleaseMode); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 77 | } |
| 78 | } |
| 79 | |
| 80 | AutoJavaIntArray::AutoJavaIntArray(JNIEnv* env, jintArray array, |
| 81 | int minLength) |
| 82 | : fEnv(env), fArray(array), fPtr(NULL), fLen(0) { |
| 83 | SkASSERT(env); |
| 84 | if (array) { |
| 85 | fLen = env->GetArrayLength(array); |
| 86 | if (fLen < minLength) { |
| 87 | sk_throw(); |
| 88 | } |
| 89 | fPtr = env->GetIntArrayElements(array, NULL); |
| 90 | } |
| 91 | } |
| 92 | |
| 93 | AutoJavaIntArray::~AutoJavaIntArray() { |
| 94 | if (fPtr) { |
| 95 | fEnv->ReleaseIntArrayElements(fArray, fPtr, 0); |
| 96 | } |
| 97 | } |
| 98 | |
| 99 | AutoJavaShortArray::AutoJavaShortArray(JNIEnv* env, jshortArray array, |
Mike Reed | c04851f | 2009-10-28 15:09:45 -0400 | [diff] [blame] | 100 | int minLength, JNIAccess access) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 101 | : fEnv(env), fArray(array), fPtr(NULL), fLen(0) { |
| 102 | SkASSERT(env); |
| 103 | if (array) { |
| 104 | fLen = env->GetArrayLength(array); |
| 105 | if (fLen < minLength) { |
| 106 | sk_throw(); |
| 107 | } |
| 108 | fPtr = env->GetShortArrayElements(array, NULL); |
| 109 | } |
Mike Reed | c04851f | 2009-10-28 15:09:45 -0400 | [diff] [blame] | 110 | fReleaseMode = (access == kRO_JNIAccess) ? JNI_ABORT : 0; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 111 | } |
| 112 | |
| 113 | AutoJavaShortArray::~AutoJavaShortArray() { |
| 114 | if (fPtr) { |
Mike Reed | c04851f | 2009-10-28 15:09:45 -0400 | [diff] [blame] | 115 | fEnv->ReleaseShortArrayElements(fArray, fPtr, fReleaseMode); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 116 | } |
| 117 | } |
| 118 | |
| 119 | AutoJavaByteArray::AutoJavaByteArray(JNIEnv* env, jbyteArray array, |
| 120 | int minLength) |
| 121 | : fEnv(env), fArray(array), fPtr(NULL), fLen(0) { |
| 122 | SkASSERT(env); |
| 123 | if (array) { |
| 124 | fLen = env->GetArrayLength(array); |
| 125 | if (fLen < minLength) { |
| 126 | sk_throw(); |
| 127 | } |
| 128 | fPtr = env->GetByteArrayElements(array, NULL); |
| 129 | } |
| 130 | } |
| 131 | |
| 132 | AutoJavaByteArray::~AutoJavaByteArray() { |
| 133 | if (fPtr) { |
| 134 | fEnv->ReleaseByteArrayElements(fArray, fPtr, 0); |
| 135 | } |
| 136 | } |
| 137 | |
| 138 | /////////////////////////////////////////////////////////////////////////////// |
| 139 | |
| 140 | static jclass gRect_class; |
| 141 | static jfieldID gRect_leftFieldID; |
| 142 | static jfieldID gRect_topFieldID; |
| 143 | static jfieldID gRect_rightFieldID; |
| 144 | static jfieldID gRect_bottomFieldID; |
| 145 | |
| 146 | static jclass gRectF_class; |
| 147 | static jfieldID gRectF_leftFieldID; |
| 148 | static jfieldID gRectF_topFieldID; |
| 149 | static jfieldID gRectF_rightFieldID; |
| 150 | static jfieldID gRectF_bottomFieldID; |
| 151 | |
| 152 | static jclass gPoint_class; |
| 153 | static jfieldID gPoint_xFieldID; |
| 154 | static jfieldID gPoint_yFieldID; |
| 155 | |
| 156 | static jclass gPointF_class; |
| 157 | static jfieldID gPointF_xFieldID; |
| 158 | static jfieldID gPointF_yFieldID; |
| 159 | |
| 160 | static jclass gBitmap_class; |
| 161 | static jfieldID gBitmap_nativeInstanceID; |
| 162 | static jmethodID gBitmap_constructorMethodID; |
| 163 | static jmethodID gBitmap_allocBufferMethodID; |
| 164 | |
| 165 | static jclass gBitmapConfig_class; |
| 166 | static jfieldID gBitmapConfig_nativeInstanceID; |
| 167 | |
| 168 | static jclass gCanvas_class; |
| 169 | static jfieldID gCanvas_nativeInstanceID; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 170 | |
| 171 | static jclass gPaint_class; |
| 172 | static jfieldID gPaint_nativeInstanceID; |
| 173 | |
| 174 | static jclass gPicture_class; |
| 175 | static jfieldID gPicture_nativeInstanceID; |
| 176 | |
| 177 | static jclass gRegion_class; |
| 178 | static jfieldID gRegion_nativeInstanceID; |
| 179 | static jmethodID gRegion_constructorMethodID; |
| 180 | |
| 181 | static jobject gVMRuntime_singleton; |
| 182 | static jmethodID gVMRuntime_trackExternalAllocationMethodID; |
| 183 | static jmethodID gVMRuntime_trackExternalFreeMethodID; |
| 184 | |
| 185 | /////////////////////////////////////////////////////////////////////////////// |
| 186 | |
| 187 | void GraphicsJNI::get_jrect(JNIEnv* env, jobject obj, int* L, int* T, int* R, int* B) |
| 188 | { |
| 189 | SkASSERT(env->IsInstanceOf(obj, gRect_class)); |
| 190 | |
| 191 | *L = env->GetIntField(obj, gRect_leftFieldID); |
| 192 | *T = env->GetIntField(obj, gRect_topFieldID); |
| 193 | *R = env->GetIntField(obj, gRect_rightFieldID); |
| 194 | *B = env->GetIntField(obj, gRect_bottomFieldID); |
| 195 | } |
| 196 | |
| 197 | void GraphicsJNI::set_jrect(JNIEnv* env, jobject obj, int L, int T, int R, int B) |
| 198 | { |
| 199 | SkASSERT(env->IsInstanceOf(obj, gRect_class)); |
| 200 | |
| 201 | env->SetIntField(obj, gRect_leftFieldID, L); |
| 202 | env->SetIntField(obj, gRect_topFieldID, T); |
| 203 | env->SetIntField(obj, gRect_rightFieldID, R); |
| 204 | env->SetIntField(obj, gRect_bottomFieldID, B); |
| 205 | } |
| 206 | |
| 207 | SkIRect* GraphicsJNI::jrect_to_irect(JNIEnv* env, jobject obj, SkIRect* ir) |
| 208 | { |
| 209 | SkASSERT(env->IsInstanceOf(obj, gRect_class)); |
| 210 | |
| 211 | ir->set(env->GetIntField(obj, gRect_leftFieldID), |
| 212 | env->GetIntField(obj, gRect_topFieldID), |
| 213 | env->GetIntField(obj, gRect_rightFieldID), |
| 214 | env->GetIntField(obj, gRect_bottomFieldID)); |
| 215 | return ir; |
| 216 | } |
| 217 | |
| 218 | void GraphicsJNI::irect_to_jrect(const SkIRect& ir, JNIEnv* env, jobject obj) |
| 219 | { |
| 220 | SkASSERT(env->IsInstanceOf(obj, gRect_class)); |
| 221 | |
| 222 | env->SetIntField(obj, gRect_leftFieldID, ir.fLeft); |
| 223 | env->SetIntField(obj, gRect_topFieldID, ir.fTop); |
| 224 | env->SetIntField(obj, gRect_rightFieldID, ir.fRight); |
| 225 | env->SetIntField(obj, gRect_bottomFieldID, ir.fBottom); |
| 226 | } |
| 227 | |
| 228 | SkRect* GraphicsJNI::jrectf_to_rect(JNIEnv* env, jobject obj, SkRect* r) |
| 229 | { |
| 230 | SkASSERT(env->IsInstanceOf(obj, gRectF_class)); |
| 231 | |
| 232 | r->set(SkFloatToScalar(env->GetFloatField(obj, gRectF_leftFieldID)), |
| 233 | SkFloatToScalar(env->GetFloatField(obj, gRectF_topFieldID)), |
| 234 | SkFloatToScalar(env->GetFloatField(obj, gRectF_rightFieldID)), |
| 235 | SkFloatToScalar(env->GetFloatField(obj, gRectF_bottomFieldID))); |
| 236 | return r; |
| 237 | } |
| 238 | |
| 239 | SkRect* GraphicsJNI::jrect_to_rect(JNIEnv* env, jobject obj, SkRect* r) |
| 240 | { |
| 241 | SkASSERT(env->IsInstanceOf(obj, gRect_class)); |
| 242 | |
| 243 | r->set(SkIntToScalar(env->GetIntField(obj, gRect_leftFieldID)), |
| 244 | SkIntToScalar(env->GetIntField(obj, gRect_topFieldID)), |
| 245 | SkIntToScalar(env->GetIntField(obj, gRect_rightFieldID)), |
| 246 | SkIntToScalar(env->GetIntField(obj, gRect_bottomFieldID))); |
| 247 | return r; |
| 248 | } |
| 249 | |
| 250 | void GraphicsJNI::rect_to_jrectf(const SkRect& r, JNIEnv* env, jobject obj) |
| 251 | { |
| 252 | SkASSERT(env->IsInstanceOf(obj, gRectF_class)); |
| 253 | |
| 254 | env->SetFloatField(obj, gRectF_leftFieldID, SkScalarToFloat(r.fLeft)); |
| 255 | env->SetFloatField(obj, gRectF_topFieldID, SkScalarToFloat(r.fTop)); |
| 256 | env->SetFloatField(obj, gRectF_rightFieldID, SkScalarToFloat(r.fRight)); |
| 257 | env->SetFloatField(obj, gRectF_bottomFieldID, SkScalarToFloat(r.fBottom)); |
| 258 | } |
| 259 | |
| 260 | SkIPoint* GraphicsJNI::jpoint_to_ipoint(JNIEnv* env, jobject obj, SkIPoint* point) |
| 261 | { |
| 262 | SkASSERT(env->IsInstanceOf(obj, gPoint_class)); |
| 263 | |
| 264 | point->set(env->GetIntField(obj, gPoint_xFieldID), |
| 265 | env->GetIntField(obj, gPoint_yFieldID)); |
| 266 | return point; |
| 267 | } |
| 268 | |
| 269 | void GraphicsJNI::ipoint_to_jpoint(const SkIPoint& ir, JNIEnv* env, jobject obj) |
| 270 | { |
| 271 | SkASSERT(env->IsInstanceOf(obj, gPoint_class)); |
| 272 | |
| 273 | env->SetIntField(obj, gPoint_xFieldID, ir.fX); |
| 274 | env->SetIntField(obj, gPoint_yFieldID, ir.fY); |
| 275 | } |
| 276 | |
| 277 | SkPoint* GraphicsJNI::jpointf_to_point(JNIEnv* env, jobject obj, SkPoint* point) |
| 278 | { |
| 279 | SkASSERT(env->IsInstanceOf(obj, gPointF_class)); |
| 280 | |
| 281 | point->set(SkFloatToScalar(env->GetIntField(obj, gPointF_xFieldID)), |
| 282 | SkFloatToScalar(env->GetIntField(obj, gPointF_yFieldID))); |
| 283 | return point; |
| 284 | } |
| 285 | |
| 286 | void GraphicsJNI::point_to_jpointf(const SkPoint& r, JNIEnv* env, jobject obj) |
| 287 | { |
| 288 | SkASSERT(env->IsInstanceOf(obj, gPointF_class)); |
| 289 | |
| 290 | env->SetFloatField(obj, gPointF_xFieldID, SkScalarToFloat(r.fX)); |
| 291 | env->SetFloatField(obj, gPointF_yFieldID, SkScalarToFloat(r.fY)); |
| 292 | } |
| 293 | |
| 294 | SkBitmap* GraphicsJNI::getNativeBitmap(JNIEnv* env, jobject bitmap) { |
| 295 | SkASSERT(env); |
| 296 | SkASSERT(bitmap); |
| 297 | SkASSERT(env->IsInstanceOf(bitmap, gBitmap_class)); |
| 298 | SkBitmap* b = (SkBitmap*)env->GetIntField(bitmap, gBitmap_nativeInstanceID); |
| 299 | SkASSERT(b); |
| 300 | return b; |
| 301 | } |
| 302 | |
| 303 | SkBitmap::Config GraphicsJNI::getNativeBitmapConfig(JNIEnv* env, |
| 304 | jobject jconfig) { |
| 305 | SkASSERT(env); |
| 306 | if (NULL == jconfig) { |
| 307 | return SkBitmap::kNo_Config; |
| 308 | } |
| 309 | SkASSERT(env->IsInstanceOf(jconfig, gBitmapConfig_class)); |
| 310 | int c = env->GetIntField(jconfig, gBitmapConfig_nativeInstanceID); |
| 311 | if (c < 0 || c >= SkBitmap::kConfigCount) { |
| 312 | c = SkBitmap::kNo_Config; |
| 313 | } |
| 314 | return static_cast<SkBitmap::Config>(c); |
| 315 | } |
| 316 | |
| 317 | SkCanvas* GraphicsJNI::getNativeCanvas(JNIEnv* env, jobject canvas) { |
| 318 | SkASSERT(env); |
| 319 | SkASSERT(canvas); |
| 320 | SkASSERT(env->IsInstanceOf(canvas, gCanvas_class)); |
| 321 | SkCanvas* c = (SkCanvas*)env->GetIntField(canvas, gCanvas_nativeInstanceID); |
| 322 | SkASSERT(c); |
| 323 | return c; |
| 324 | } |
| 325 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 326 | SkPaint* GraphicsJNI::getNativePaint(JNIEnv* env, jobject paint) { |
| 327 | SkASSERT(env); |
| 328 | SkASSERT(paint); |
| 329 | SkASSERT(env->IsInstanceOf(paint, gPaint_class)); |
| 330 | SkPaint* p = (SkPaint*)env->GetIntField(paint, gPaint_nativeInstanceID); |
| 331 | SkASSERT(p); |
| 332 | return p; |
| 333 | } |
| 334 | |
| 335 | SkPicture* GraphicsJNI::getNativePicture(JNIEnv* env, jobject picture) |
| 336 | { |
| 337 | SkASSERT(env); |
| 338 | SkASSERT(picture); |
| 339 | SkASSERT(env->IsInstanceOf(picture, gPicture_class)); |
| 340 | SkPicture* p = (SkPicture*)env->GetIntField(picture, gPicture_nativeInstanceID); |
| 341 | SkASSERT(p); |
| 342 | return p; |
| 343 | } |
| 344 | |
| 345 | SkRegion* GraphicsJNI::getNativeRegion(JNIEnv* env, jobject region) |
| 346 | { |
| 347 | SkASSERT(env); |
| 348 | SkASSERT(region); |
| 349 | SkASSERT(env->IsInstanceOf(region, gRegion_class)); |
| 350 | SkRegion* r = (SkRegion*)env->GetIntField(region, gRegion_nativeInstanceID); |
| 351 | SkASSERT(r); |
| 352 | return r; |
| 353 | } |
| 354 | |
| 355 | /////////////////////////////////////////////////////////////////////////////////////////// |
| 356 | |
| 357 | jobject GraphicsJNI::createBitmap(JNIEnv* env, SkBitmap* bitmap, bool isMutable, |
Dianne Hackborn | de0dfb7 | 2009-09-23 14:09:34 -0700 | [diff] [blame] | 358 | jbyteArray ninepatch, int density) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 359 | { |
| 360 | SkASSERT(bitmap != NULL); |
| 361 | SkASSERT(NULL != bitmap->pixelRef()); |
| 362 | |
| 363 | jobject obj = env->AllocObject(gBitmap_class); |
| 364 | if (obj) { |
| 365 | env->CallVoidMethod(obj, gBitmap_constructorMethodID, |
Dianne Hackborn | de0dfb7 | 2009-09-23 14:09:34 -0700 | [diff] [blame] | 366 | (jint)bitmap, isMutable, ninepatch, density); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 367 | if (hasException(env)) { |
| 368 | obj = NULL; |
| 369 | } |
| 370 | } |
| 371 | return obj; |
| 372 | } |
| 373 | |
| 374 | jobject GraphicsJNI::createRegion(JNIEnv* env, SkRegion* region) |
| 375 | { |
| 376 | SkASSERT(region != NULL); |
| 377 | jobject obj = env->AllocObject(gRegion_class); |
| 378 | if (obj) { |
| 379 | env->CallVoidMethod(obj, gRegion_constructorMethodID, (jint)region, 0); |
| 380 | if (hasException(env)) { |
| 381 | obj = NULL; |
| 382 | } |
| 383 | } |
| 384 | return obj; |
| 385 | } |
| 386 | |
| 387 | #include "SkPixelRef.h" |
| 388 | |
| 389 | static JNIEnv* vm2env(JavaVM* vm) |
| 390 | { |
| 391 | JNIEnv* env = NULL; |
| 392 | if (vm->GetEnv((void**)&env, JNI_VERSION_1_4) != JNI_OK || NULL == env) |
| 393 | { |
| 394 | SkDebugf("------- [%p] vm->GetEnv() failed\n", vm); |
| 395 | sk_throw(); |
| 396 | } |
| 397 | return env; |
| 398 | } |
| 399 | |
| 400 | #ifdef TRACK_LOCK_COUNT |
| 401 | static int gLockCount; |
| 402 | #endif |
| 403 | |
| 404 | /////////////////////////////////////////////////////////////////////////////// |
| 405 | |
| 406 | #include "SkMallocPixelRef.h" |
| 407 | |
| 408 | /* Extend SkMallocPixelRef to inform the VM when we free up the storage |
| 409 | */ |
| 410 | class AndroidPixelRef : public SkMallocPixelRef { |
| 411 | public: |
| 412 | /** Allocate the specified buffer for pixels. The memory is freed when the |
| 413 | last owner of this pixelref is gone. Our caller has already informed |
| 414 | the VM of our allocation. |
| 415 | */ |
| 416 | AndroidPixelRef(JNIEnv* env, void* storage, size_t size, |
| 417 | SkColorTable* ctable) : SkMallocPixelRef(storage, size, ctable) { |
| 418 | SkASSERT(storage); |
| 419 | SkASSERT(env); |
| 420 | |
| 421 | if (env->GetJavaVM(&fVM) != JNI_OK) { |
| 422 | SkDebugf("------ [%p] env->GetJavaVM failed\n", env); |
| 423 | sk_throw(); |
| 424 | } |
| 425 | } |
| 426 | |
| 427 | virtual ~AndroidPixelRef() { |
| 428 | JNIEnv* env = vm2env(fVM); |
| 429 | // SkDebugf("-------------- inform VM we're releasing %d bytes\n", this->getSize()); |
| 430 | jlong jsize = this->getSize(); // the VM wants longs for the size |
| 431 | env->CallVoidMethod(gVMRuntime_singleton, |
| 432 | gVMRuntime_trackExternalFreeMethodID, |
| 433 | jsize); |
| 434 | if (GraphicsJNI::hasException(env)) { |
| 435 | env->ExceptionClear(); |
| 436 | } |
| 437 | } |
| 438 | |
| 439 | private: |
| 440 | JavaVM* fVM; |
| 441 | }; |
| 442 | |
| 443 | bool GraphicsJNI::setJavaPixelRef(JNIEnv* env, SkBitmap* bitmap, |
Mike Reed | 1b22b97 | 2009-07-17 11:21:47 -0400 | [diff] [blame] | 444 | SkColorTable* ctable, bool reportSizeToVM) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 445 | Sk64 size64 = bitmap->getSize64(); |
| 446 | if (size64.isNeg() || !size64.is32()) { |
| 447 | doThrow(env, "java/lang/IllegalArgumentException", |
| 448 | "bitmap size exceeds 32bits"); |
| 449 | return false; |
| 450 | } |
| 451 | |
| 452 | size_t size = size64.get32(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 453 | jlong jsize = size; // the VM wants longs for the size |
Mike Reed | 1b22b97 | 2009-07-17 11:21:47 -0400 | [diff] [blame] | 454 | if (reportSizeToVM) { |
| 455 | // SkDebugf("-------------- inform VM we've allocated %d bytes\n", size); |
| 456 | bool r = env->CallBooleanMethod(gVMRuntime_singleton, |
| 457 | gVMRuntime_trackExternalAllocationMethodID, |
| 458 | jsize); |
| 459 | if (GraphicsJNI::hasException(env)) { |
| 460 | return false; |
| 461 | } |
| 462 | if (!r) { |
| 463 | LOGE("VM won't let us allocate %zd bytes\n", size); |
| 464 | doThrowOOME(env, "bitmap size exceeds VM budget"); |
| 465 | return false; |
| 466 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 467 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 468 | // call the version of malloc that returns null on failure |
| 469 | void* addr = sk_malloc_flags(size, 0); |
| 470 | if (NULL == addr) { |
Mike Reed | 1b22b97 | 2009-07-17 11:21:47 -0400 | [diff] [blame] | 471 | if (reportSizeToVM) { |
| 472 | // SkDebugf("-------------- inform VM we're releasing %d bytes which we couldn't allocate\n", size); |
| 473 | // we didn't actually allocate it, so inform the VM |
| 474 | env->CallVoidMethod(gVMRuntime_singleton, |
| 475 | gVMRuntime_trackExternalFreeMethodID, |
| 476 | jsize); |
| 477 | if (!GraphicsJNI::hasException(env)) { |
| 478 | doThrowOOME(env, "bitmap size too large for malloc"); |
| 479 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 480 | } |
| 481 | return false; |
| 482 | } |
| 483 | |
Mike Reed | 1b22b97 | 2009-07-17 11:21:47 -0400 | [diff] [blame] | 484 | SkPixelRef* pr = reportSizeToVM ? |
| 485 | new AndroidPixelRef(env, addr, size, ctable) : |
| 486 | new SkMallocPixelRef(addr, size, ctable); |
| 487 | bitmap->setPixelRef(pr)->unref(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 488 | // since we're already allocated, we lockPixels right away |
| 489 | // HeapAllocator behaves this way too |
| 490 | bitmap->lockPixels(); |
| 491 | return true; |
| 492 | } |
| 493 | |
| 494 | /////////////////////////////////////////////////////////////////////////////// |
| 495 | |
Mike Reed | 1b22b97 | 2009-07-17 11:21:47 -0400 | [diff] [blame] | 496 | JavaPixelAllocator::JavaPixelAllocator(JNIEnv* env, bool reportSizeToVM) |
| 497 | : fEnv(env), fReportSizeToVM(reportSizeToVM) {} |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 498 | |
| 499 | bool JavaPixelAllocator::allocPixelRef(SkBitmap* bitmap, SkColorTable* ctable) { |
Mike Reed | 1b22b97 | 2009-07-17 11:21:47 -0400 | [diff] [blame] | 500 | return GraphicsJNI::setJavaPixelRef(fEnv, bitmap, ctable, fReportSizeToVM); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 501 | } |
| 502 | |
| 503 | //////////////////////////////////////////////////////////////////////////////// |
| 504 | |
| 505 | static jclass make_globalref(JNIEnv* env, const char classname[]) |
| 506 | { |
| 507 | jclass c = env->FindClass(classname); |
| 508 | SkASSERT(c); |
| 509 | return (jclass)env->NewGlobalRef(c); |
| 510 | } |
| 511 | |
| 512 | static jfieldID getFieldIDCheck(JNIEnv* env, jclass clazz, |
| 513 | const char fieldname[], const char type[]) |
| 514 | { |
| 515 | jfieldID id = env->GetFieldID(clazz, fieldname, type); |
| 516 | SkASSERT(id); |
| 517 | return id; |
| 518 | } |
| 519 | |
| 520 | int register_android_graphics_Graphics(JNIEnv* env) |
| 521 | { |
| 522 | jmethodID m; |
| 523 | jclass c; |
| 524 | |
| 525 | gRect_class = make_globalref(env, "android/graphics/Rect"); |
| 526 | gRect_leftFieldID = getFieldIDCheck(env, gRect_class, "left", "I"); |
| 527 | gRect_topFieldID = getFieldIDCheck(env, gRect_class, "top", "I"); |
| 528 | gRect_rightFieldID = getFieldIDCheck(env, gRect_class, "right", "I"); |
| 529 | gRect_bottomFieldID = getFieldIDCheck(env, gRect_class, "bottom", "I"); |
| 530 | |
| 531 | gRectF_class = make_globalref(env, "android/graphics/RectF"); |
| 532 | gRectF_leftFieldID = getFieldIDCheck(env, gRectF_class, "left", "F"); |
| 533 | gRectF_topFieldID = getFieldIDCheck(env, gRectF_class, "top", "F"); |
| 534 | gRectF_rightFieldID = getFieldIDCheck(env, gRectF_class, "right", "F"); |
| 535 | gRectF_bottomFieldID = getFieldIDCheck(env, gRectF_class, "bottom", "F"); |
| 536 | |
| 537 | gPoint_class = make_globalref(env, "android/graphics/Point"); |
| 538 | gPoint_xFieldID = getFieldIDCheck(env, gPoint_class, "x", "I"); |
| 539 | gPoint_yFieldID = getFieldIDCheck(env, gPoint_class, "y", "I"); |
| 540 | |
| 541 | gPointF_class = make_globalref(env, "android/graphics/PointF"); |
| 542 | gPointF_xFieldID = getFieldIDCheck(env, gPointF_class, "x", "F"); |
| 543 | gPointF_yFieldID = getFieldIDCheck(env, gPointF_class, "y", "F"); |
| 544 | |
| 545 | gBitmap_class = make_globalref(env, "android/graphics/Bitmap"); |
| 546 | gBitmap_nativeInstanceID = getFieldIDCheck(env, gBitmap_class, "mNativeBitmap", "I"); |
| 547 | gBitmap_constructorMethodID = env->GetMethodID(gBitmap_class, "<init>", |
Dianne Hackborn | de0dfb7 | 2009-09-23 14:09:34 -0700 | [diff] [blame] | 548 | "(IZ[BI)V"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 549 | |
| 550 | gBitmapConfig_class = make_globalref(env, "android/graphics/Bitmap$Config"); |
| 551 | gBitmapConfig_nativeInstanceID = getFieldIDCheck(env, gBitmapConfig_class, |
| 552 | "nativeInt", "I"); |
| 553 | |
| 554 | gCanvas_class = make_globalref(env, "android/graphics/Canvas"); |
| 555 | gCanvas_nativeInstanceID = getFieldIDCheck(env, gCanvas_class, "mNativeCanvas", "I"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 556 | |
| 557 | gPaint_class = make_globalref(env, "android/graphics/Paint"); |
| 558 | gPaint_nativeInstanceID = getFieldIDCheck(env, gPaint_class, "mNativePaint", "I"); |
| 559 | |
| 560 | gPicture_class = make_globalref(env, "android/graphics/Picture"); |
| 561 | gPicture_nativeInstanceID = getFieldIDCheck(env, gPicture_class, "mNativePicture", "I"); |
| 562 | |
| 563 | gRegion_class = make_globalref(env, "android/graphics/Region"); |
| 564 | gRegion_nativeInstanceID = getFieldIDCheck(env, gRegion_class, "mNativeRegion", "I"); |
| 565 | gRegion_constructorMethodID = env->GetMethodID(gRegion_class, "<init>", |
| 566 | "(II)V"); |
| 567 | |
| 568 | // Get the VMRuntime class. |
| 569 | c = env->FindClass("dalvik/system/VMRuntime"); |
| 570 | SkASSERT(c); |
| 571 | // Look up VMRuntime.getRuntime(). |
| 572 | m = env->GetStaticMethodID(c, "getRuntime", "()Ldalvik/system/VMRuntime;"); |
| 573 | SkASSERT(m); |
| 574 | // Call VMRuntime.getRuntime() and hold onto its result. |
| 575 | gVMRuntime_singleton = env->CallStaticObjectMethod(c, m); |
| 576 | SkASSERT(gVMRuntime_singleton); |
| 577 | gVMRuntime_singleton = (jobject)env->NewGlobalRef(gVMRuntime_singleton); |
| 578 | // Look up the VMRuntime methods we'll be using. |
| 579 | gVMRuntime_trackExternalAllocationMethodID = |
| 580 | env->GetMethodID(c, "trackExternalAllocation", "(J)Z"); |
| 581 | gVMRuntime_trackExternalFreeMethodID = |
| 582 | env->GetMethodID(c, "trackExternalFree", "(J)V"); |
| 583 | |
| 584 | NIOBuffer::RegisterJNI(env); |
| 585 | |
| 586 | return 0; |
| 587 | } |
| 588 | |