| #undef LOG_TAG |
| #define LOG_TAG "GraphicsJNI" |
| |
| #include <assert.h> |
| #include <unistd.h> |
| |
| #include "jni.h" |
| #include <nativehelper/JNIHelp.h> |
| #include "GraphicsJNI.h" |
| |
| #include "SkCanvas.h" |
| #include "SkMath.h" |
| #include "SkRegion.h" |
| #include <cutils/ashmem.h> |
| #include <hwui/Canvas.h> |
| |
| using namespace android; |
| |
| /*static*/ JavaVM* GraphicsJNI::mJavaVM = nullptr; |
| |
| void GraphicsJNI::setJavaVM(JavaVM* javaVM) { |
| mJavaVM = javaVM; |
| } |
| |
| /** return a pointer to the JNIEnv for this thread */ |
| JNIEnv* GraphicsJNI::getJNIEnv() { |
| assert(mJavaVM != nullptr); |
| JNIEnv* env; |
| if (mJavaVM->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK) { |
| return nullptr; |
| } |
| return env; |
| } |
| |
| /** create a JNIEnv* for this thread or assert if one already exists */ |
| JNIEnv* GraphicsJNI::attachJNIEnv(const char* envName) { |
| assert(getJNIEnv() == nullptr); |
| JNIEnv* env = nullptr; |
| JavaVMAttachArgs args = { JNI_VERSION_1_4, envName, NULL }; |
| int result = mJavaVM->AttachCurrentThread(&env, (void*) &args); |
| if (result != JNI_OK) { |
| ALOGE("thread attach failed: %#x", result); |
| } |
| return env; |
| } |
| |
| /** detach the current thread from the JavaVM */ |
| void GraphicsJNI::detachJNIEnv() { |
| assert(mJavaVM != nullptr); |
| mJavaVM->DetachCurrentThread(); |
| } |
| |
| void doThrowNPE(JNIEnv* env) { |
| jniThrowNullPointerException(env, NULL); |
| } |
| |
| void doThrowAIOOBE(JNIEnv* env) { |
| jniThrowException(env, "java/lang/ArrayIndexOutOfBoundsException", NULL); |
| } |
| |
| void doThrowRE(JNIEnv* env, const char* msg) { |
| jniThrowRuntimeException(env, msg); |
| } |
| |
| void doThrowIAE(JNIEnv* env, const char* msg) { |
| jniThrowException(env, "java/lang/IllegalArgumentException", msg); |
| } |
| |
| void doThrowISE(JNIEnv* env, const char* msg) { |
| jniThrowException(env, "java/lang/IllegalStateException", msg); |
| } |
| |
| void doThrowOOME(JNIEnv* env, const char* msg) { |
| jniThrowException(env, "java/lang/OutOfMemoryError", msg); |
| } |
| |
| void doThrowIOE(JNIEnv* env, const char* msg) { |
| jniThrowException(env, "java/io/IOException", msg); |
| } |
| |
| bool GraphicsJNI::hasException(JNIEnv *env) { |
| if (env->ExceptionCheck() != 0) { |
| ALOGE("*** Uncaught exception returned from Java call!\n"); |
| env->ExceptionDescribe(); |
| return true; |
| } |
| return false; |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| AutoJavaFloatArray::AutoJavaFloatArray(JNIEnv* env, jfloatArray array, |
| int minLength, JNIAccess access) |
| : fEnv(env), fArray(array), fPtr(NULL), fLen(0) { |
| ALOG_ASSERT(env); |
| if (array) { |
| fLen = env->GetArrayLength(array); |
| if (fLen < minLength) { |
| LOG_ALWAYS_FATAL("bad length"); |
| } |
| fPtr = env->GetFloatArrayElements(array, NULL); |
| } |
| fReleaseMode = (access == kRO_JNIAccess) ? JNI_ABORT : 0; |
| } |
| |
| AutoJavaFloatArray::~AutoJavaFloatArray() { |
| if (fPtr) { |
| fEnv->ReleaseFloatArrayElements(fArray, fPtr, fReleaseMode); |
| } |
| } |
| |
| AutoJavaIntArray::AutoJavaIntArray(JNIEnv* env, jintArray array, |
| int minLength) |
| : fEnv(env), fArray(array), fPtr(NULL), fLen(0) { |
| ALOG_ASSERT(env); |
| if (array) { |
| fLen = env->GetArrayLength(array); |
| if (fLen < minLength) { |
| LOG_ALWAYS_FATAL("bad length"); |
| } |
| fPtr = env->GetIntArrayElements(array, NULL); |
| } |
| } |
| |
| AutoJavaIntArray::~AutoJavaIntArray() { |
| if (fPtr) { |
| fEnv->ReleaseIntArrayElements(fArray, fPtr, 0); |
| } |
| } |
| |
| AutoJavaShortArray::AutoJavaShortArray(JNIEnv* env, jshortArray array, |
| int minLength, JNIAccess access) |
| : fEnv(env), fArray(array), fPtr(NULL), fLen(0) { |
| ALOG_ASSERT(env); |
| if (array) { |
| fLen = env->GetArrayLength(array); |
| if (fLen < minLength) { |
| LOG_ALWAYS_FATAL("bad length"); |
| } |
| fPtr = env->GetShortArrayElements(array, NULL); |
| } |
| fReleaseMode = (access == kRO_JNIAccess) ? JNI_ABORT : 0; |
| } |
| |
| AutoJavaShortArray::~AutoJavaShortArray() { |
| if (fPtr) { |
| fEnv->ReleaseShortArrayElements(fArray, fPtr, fReleaseMode); |
| } |
| } |
| |
| AutoJavaByteArray::AutoJavaByteArray(JNIEnv* env, jbyteArray array, |
| int minLength) |
| : fEnv(env), fArray(array), fPtr(NULL), fLen(0) { |
| ALOG_ASSERT(env); |
| if (array) { |
| fLen = env->GetArrayLength(array); |
| if (fLen < minLength) { |
| LOG_ALWAYS_FATAL("bad length"); |
| } |
| fPtr = env->GetByteArrayElements(array, NULL); |
| } |
| } |
| |
| AutoJavaByteArray::~AutoJavaByteArray() { |
| if (fPtr) { |
| fEnv->ReleaseByteArrayElements(fArray, fPtr, 0); |
| } |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| static jclass gRect_class; |
| static jfieldID gRect_leftFieldID; |
| static jfieldID gRect_topFieldID; |
| static jfieldID gRect_rightFieldID; |
| static jfieldID gRect_bottomFieldID; |
| |
| static jclass gRectF_class; |
| static jfieldID gRectF_leftFieldID; |
| static jfieldID gRectF_topFieldID; |
| static jfieldID gRectF_rightFieldID; |
| static jfieldID gRectF_bottomFieldID; |
| |
| static jclass gPoint_class; |
| static jfieldID gPoint_xFieldID; |
| static jfieldID gPoint_yFieldID; |
| |
| static jclass gPointF_class; |
| static jfieldID gPointF_xFieldID; |
| static jfieldID gPointF_yFieldID; |
| |
| static jclass gBitmapConfig_class; |
| static jfieldID gBitmapConfig_nativeInstanceID; |
| static jmethodID gBitmapConfig_nativeToConfigMethodID; |
| |
| static jclass gBitmapRegionDecoder_class; |
| static jmethodID gBitmapRegionDecoder_constructorMethodID; |
| |
| static jclass gCanvas_class; |
| static jfieldID gCanvas_nativeInstanceID; |
| |
| static jclass gPicture_class; |
| static jfieldID gPicture_nativeInstanceID; |
| |
| static jclass gRegion_class; |
| static jfieldID gRegion_nativeInstanceID; |
| static jmethodID gRegion_constructorMethodID; |
| |
| static jclass gByte_class; |
| static jobject gVMRuntime; |
| static jclass gVMRuntime_class; |
| static jmethodID gVMRuntime_newNonMovableArray; |
| static jmethodID gVMRuntime_addressOf; |
| |
| static jclass gColorSpace_class; |
| static jmethodID gColorSpace_getMethodID; |
| static jmethodID gColorSpace_matchMethodID; |
| |
| static jclass gColorSpaceRGB_class; |
| static jmethodID gColorSpaceRGB_constructorMethodID; |
| |
| static jclass gColorSpace_Named_class; |
| static jfieldID gColorSpace_Named_sRGBFieldID; |
| static jfieldID gColorSpace_Named_ExtendedSRGBFieldID; |
| static jfieldID gColorSpace_Named_LinearSRGBFieldID; |
| static jfieldID gColorSpace_Named_LinearExtendedSRGBFieldID; |
| |
| static jclass gTransferParameters_class; |
| static jmethodID gTransferParameters_constructorMethodID; |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| void GraphicsJNI::get_jrect(JNIEnv* env, jobject obj, int* L, int* T, int* R, int* B) |
| { |
| ALOG_ASSERT(env->IsInstanceOf(obj, gRect_class)); |
| |
| *L = env->GetIntField(obj, gRect_leftFieldID); |
| *T = env->GetIntField(obj, gRect_topFieldID); |
| *R = env->GetIntField(obj, gRect_rightFieldID); |
| *B = env->GetIntField(obj, gRect_bottomFieldID); |
| } |
| |
| void GraphicsJNI::set_jrect(JNIEnv* env, jobject obj, int L, int T, int R, int B) |
| { |
| ALOG_ASSERT(env->IsInstanceOf(obj, gRect_class)); |
| |
| env->SetIntField(obj, gRect_leftFieldID, L); |
| env->SetIntField(obj, gRect_topFieldID, T); |
| env->SetIntField(obj, gRect_rightFieldID, R); |
| env->SetIntField(obj, gRect_bottomFieldID, B); |
| } |
| |
| SkIRect* GraphicsJNI::jrect_to_irect(JNIEnv* env, jobject obj, SkIRect* ir) |
| { |
| ALOG_ASSERT(env->IsInstanceOf(obj, gRect_class)); |
| |
| ir->setLTRB(env->GetIntField(obj, gRect_leftFieldID), |
| env->GetIntField(obj, gRect_topFieldID), |
| env->GetIntField(obj, gRect_rightFieldID), |
| env->GetIntField(obj, gRect_bottomFieldID)); |
| return ir; |
| } |
| |
| void GraphicsJNI::irect_to_jrect(const SkIRect& ir, JNIEnv* env, jobject obj) |
| { |
| ALOG_ASSERT(env->IsInstanceOf(obj, gRect_class)); |
| |
| env->SetIntField(obj, gRect_leftFieldID, ir.fLeft); |
| env->SetIntField(obj, gRect_topFieldID, ir.fTop); |
| env->SetIntField(obj, gRect_rightFieldID, ir.fRight); |
| env->SetIntField(obj, gRect_bottomFieldID, ir.fBottom); |
| } |
| |
| SkRect* GraphicsJNI::jrectf_to_rect(JNIEnv* env, jobject obj, SkRect* r) |
| { |
| ALOG_ASSERT(env->IsInstanceOf(obj, gRectF_class)); |
| |
| r->setLTRB(env->GetFloatField(obj, gRectF_leftFieldID), |
| env->GetFloatField(obj, gRectF_topFieldID), |
| env->GetFloatField(obj, gRectF_rightFieldID), |
| env->GetFloatField(obj, gRectF_bottomFieldID)); |
| return r; |
| } |
| |
| SkRect* GraphicsJNI::jrect_to_rect(JNIEnv* env, jobject obj, SkRect* r) |
| { |
| ALOG_ASSERT(env->IsInstanceOf(obj, gRect_class)); |
| |
| r->setLTRB(SkIntToScalar(env->GetIntField(obj, gRect_leftFieldID)), |
| SkIntToScalar(env->GetIntField(obj, gRect_topFieldID)), |
| SkIntToScalar(env->GetIntField(obj, gRect_rightFieldID)), |
| SkIntToScalar(env->GetIntField(obj, gRect_bottomFieldID))); |
| return r; |
| } |
| |
| void GraphicsJNI::rect_to_jrectf(const SkRect& r, JNIEnv* env, jobject obj) |
| { |
| ALOG_ASSERT(env->IsInstanceOf(obj, gRectF_class)); |
| |
| env->SetFloatField(obj, gRectF_leftFieldID, SkScalarToFloat(r.fLeft)); |
| env->SetFloatField(obj, gRectF_topFieldID, SkScalarToFloat(r.fTop)); |
| env->SetFloatField(obj, gRectF_rightFieldID, SkScalarToFloat(r.fRight)); |
| env->SetFloatField(obj, gRectF_bottomFieldID, SkScalarToFloat(r.fBottom)); |
| } |
| |
| SkIPoint* GraphicsJNI::jpoint_to_ipoint(JNIEnv* env, jobject obj, SkIPoint* point) |
| { |
| ALOG_ASSERT(env->IsInstanceOf(obj, gPoint_class)); |
| |
| point->set(env->GetIntField(obj, gPoint_xFieldID), |
| env->GetIntField(obj, gPoint_yFieldID)); |
| return point; |
| } |
| |
| void GraphicsJNI::ipoint_to_jpoint(const SkIPoint& ir, JNIEnv* env, jobject obj) |
| { |
| ALOG_ASSERT(env->IsInstanceOf(obj, gPoint_class)); |
| |
| env->SetIntField(obj, gPoint_xFieldID, ir.fX); |
| env->SetIntField(obj, gPoint_yFieldID, ir.fY); |
| } |
| |
| SkPoint* GraphicsJNI::jpointf_to_point(JNIEnv* env, jobject obj, SkPoint* point) |
| { |
| ALOG_ASSERT(env->IsInstanceOf(obj, gPointF_class)); |
| |
| point->set(env->GetIntField(obj, gPointF_xFieldID), |
| env->GetIntField(obj, gPointF_yFieldID)); |
| return point; |
| } |
| |
| void GraphicsJNI::point_to_jpointf(const SkPoint& r, JNIEnv* env, jobject obj) |
| { |
| ALOG_ASSERT(env->IsInstanceOf(obj, gPointF_class)); |
| |
| env->SetFloatField(obj, gPointF_xFieldID, SkScalarToFloat(r.fX)); |
| env->SetFloatField(obj, gPointF_yFieldID, SkScalarToFloat(r.fY)); |
| } |
| |
| // See enum values in GraphicsJNI.h |
| jint GraphicsJNI::colorTypeToLegacyBitmapConfig(SkColorType colorType) { |
| switch (colorType) { |
| case kRGBA_F16_SkColorType: |
| return kRGBA_16F_LegacyBitmapConfig; |
| case kN32_SkColorType: |
| return kARGB_8888_LegacyBitmapConfig; |
| case kARGB_4444_SkColorType: |
| return kARGB_4444_LegacyBitmapConfig; |
| case kRGB_565_SkColorType: |
| return kRGB_565_LegacyBitmapConfig; |
| case kAlpha_8_SkColorType: |
| return kA8_LegacyBitmapConfig; |
| case kUnknown_SkColorType: |
| default: |
| break; |
| } |
| return kNo_LegacyBitmapConfig; |
| } |
| |
| SkColorType GraphicsJNI::legacyBitmapConfigToColorType(jint legacyConfig) { |
| const uint8_t gConfig2ColorType[] = { |
| kUnknown_SkColorType, |
| kAlpha_8_SkColorType, |
| kUnknown_SkColorType, // Previously kIndex_8_SkColorType, |
| kRGB_565_SkColorType, |
| kARGB_4444_SkColorType, |
| kN32_SkColorType, |
| kRGBA_F16_SkColorType, |
| kN32_SkColorType |
| }; |
| |
| if (legacyConfig < 0 || legacyConfig > kLastEnum_LegacyBitmapConfig) { |
| legacyConfig = kNo_LegacyBitmapConfig; |
| } |
| return static_cast<SkColorType>(gConfig2ColorType[legacyConfig]); |
| } |
| |
| AndroidBitmapFormat GraphicsJNI::getFormatFromConfig(JNIEnv* env, jobject jconfig) { |
| ALOG_ASSERT(env); |
| if (NULL == jconfig) { |
| return ANDROID_BITMAP_FORMAT_NONE; |
| } |
| ALOG_ASSERT(env->IsInstanceOf(jconfig, gBitmapConfig_class)); |
| jint javaConfigId = env->GetIntField(jconfig, gBitmapConfig_nativeInstanceID); |
| |
| const AndroidBitmapFormat config2BitmapFormat[] = { |
| ANDROID_BITMAP_FORMAT_NONE, |
| ANDROID_BITMAP_FORMAT_A_8, |
| ANDROID_BITMAP_FORMAT_NONE, // Previously Config.Index_8 |
| ANDROID_BITMAP_FORMAT_RGB_565, |
| ANDROID_BITMAP_FORMAT_RGBA_4444, |
| ANDROID_BITMAP_FORMAT_RGBA_8888, |
| ANDROID_BITMAP_FORMAT_RGBA_F16, |
| ANDROID_BITMAP_FORMAT_NONE // Congfig.HARDWARE |
| }; |
| return config2BitmapFormat[javaConfigId]; |
| } |
| |
| jobject GraphicsJNI::getConfigFromFormat(JNIEnv* env, AndroidBitmapFormat format) { |
| ALOG_ASSERT(env); |
| jint configId = kNo_LegacyBitmapConfig; |
| switch (format) { |
| case ANDROID_BITMAP_FORMAT_A_8: |
| configId = kA8_LegacyBitmapConfig; |
| break; |
| case ANDROID_BITMAP_FORMAT_RGB_565: |
| configId = kRGB_565_LegacyBitmapConfig; |
| break; |
| case ANDROID_BITMAP_FORMAT_RGBA_4444: |
| configId = kARGB_4444_LegacyBitmapConfig; |
| break; |
| case ANDROID_BITMAP_FORMAT_RGBA_8888: |
| configId = kARGB_8888_LegacyBitmapConfig; |
| break; |
| case ANDROID_BITMAP_FORMAT_RGBA_F16: |
| configId = kRGBA_16F_LegacyBitmapConfig; |
| break; |
| default: |
| break; |
| } |
| |
| return env->CallStaticObjectMethod(gBitmapConfig_class, |
| gBitmapConfig_nativeToConfigMethodID, configId); |
| } |
| |
| SkColorType GraphicsJNI::getNativeBitmapColorType(JNIEnv* env, jobject jconfig) { |
| ALOG_ASSERT(env); |
| if (NULL == jconfig) { |
| return kUnknown_SkColorType; |
| } |
| ALOG_ASSERT(env->IsInstanceOf(jconfig, gBitmapConfig_class)); |
| int c = env->GetIntField(jconfig, gBitmapConfig_nativeInstanceID); |
| return legacyBitmapConfigToColorType(c); |
| } |
| |
| bool GraphicsJNI::isHardwareConfig(JNIEnv* env, jobject jconfig) { |
| ALOG_ASSERT(env); |
| if (NULL == jconfig) { |
| return false; |
| } |
| int c = env->GetIntField(jconfig, gBitmapConfig_nativeInstanceID); |
| return c == kHardware_LegacyBitmapConfig; |
| } |
| |
| jint GraphicsJNI::hardwareLegacyBitmapConfig() { |
| return kHardware_LegacyBitmapConfig; |
| } |
| |
| android::Canvas* GraphicsJNI::getNativeCanvas(JNIEnv* env, jobject canvas) { |
| ALOG_ASSERT(env); |
| ALOG_ASSERT(canvas); |
| ALOG_ASSERT(env->IsInstanceOf(canvas, gCanvas_class)); |
| jlong canvasHandle = env->GetLongField(canvas, gCanvas_nativeInstanceID); |
| if (!canvasHandle) { |
| return NULL; |
| } |
| return reinterpret_cast<android::Canvas*>(canvasHandle); |
| } |
| |
| SkRegion* GraphicsJNI::getNativeRegion(JNIEnv* env, jobject region) |
| { |
| ALOG_ASSERT(env); |
| ALOG_ASSERT(region); |
| ALOG_ASSERT(env->IsInstanceOf(region, gRegion_class)); |
| jlong regionHandle = env->GetLongField(region, gRegion_nativeInstanceID); |
| SkRegion* r = reinterpret_cast<SkRegion*>(regionHandle); |
| ALOG_ASSERT(r); |
| return r; |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////////////////// |
| |
| jobject GraphicsJNI::createBitmapRegionDecoder(JNIEnv* env, SkBitmapRegionDecoder* bitmap) |
| { |
| ALOG_ASSERT(bitmap != NULL); |
| |
| jobject obj = env->NewObject(gBitmapRegionDecoder_class, |
| gBitmapRegionDecoder_constructorMethodID, |
| reinterpret_cast<jlong>(bitmap)); |
| hasException(env); // For the side effect of logging. |
| return obj; |
| } |
| |
| jobject GraphicsJNI::createRegion(JNIEnv* env, SkRegion* region) |
| { |
| ALOG_ASSERT(region != NULL); |
| jobject obj = env->NewObject(gRegion_class, gRegion_constructorMethodID, |
| reinterpret_cast<jlong>(region), 0); |
| hasException(env); // For the side effect of logging. |
| return obj; |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| jobject GraphicsJNI::getColorSpace(JNIEnv* env, SkColorSpace* decodeColorSpace, |
| SkColorType decodeColorType) { |
| if (!decodeColorSpace || decodeColorType == kAlpha_8_SkColorType) { |
| return nullptr; |
| } |
| |
| // Special checks for the common sRGB cases and their extended variants. |
| jobject namedCS = nullptr; |
| sk_sp<SkColorSpace> srgbLinear = SkColorSpace::MakeSRGBLinear(); |
| if (decodeColorType == kRGBA_F16_SkColorType) { |
| // An F16 Bitmap will always report that it is EXTENDED if |
| // it matches a ColorSpace that has an EXTENDED variant. |
| if (decodeColorSpace->isSRGB()) { |
| namedCS = env->GetStaticObjectField(gColorSpace_Named_class, |
| gColorSpace_Named_ExtendedSRGBFieldID); |
| } else if (decodeColorSpace == srgbLinear.get()) { |
| namedCS = env->GetStaticObjectField(gColorSpace_Named_class, |
| gColorSpace_Named_LinearExtendedSRGBFieldID); |
| } |
| } else if (decodeColorSpace->isSRGB()) { |
| namedCS = env->GetStaticObjectField(gColorSpace_Named_class, |
| gColorSpace_Named_sRGBFieldID); |
| } else if (decodeColorSpace == srgbLinear.get()) { |
| namedCS = env->GetStaticObjectField(gColorSpace_Named_class, |
| gColorSpace_Named_LinearSRGBFieldID); |
| } |
| |
| if (namedCS) { |
| return env->CallStaticObjectMethod(gColorSpace_class, gColorSpace_getMethodID, namedCS); |
| } |
| |
| // Try to match against known RGB color spaces using the CIE XYZ D50 |
| // conversion matrix and numerical transfer function parameters |
| skcms_Matrix3x3 xyzMatrix; |
| LOG_ALWAYS_FATAL_IF(!decodeColorSpace->toXYZD50(&xyzMatrix)); |
| |
| skcms_TransferFunction transferParams; |
| // We can only handle numerical transfer functions at the moment |
| LOG_ALWAYS_FATAL_IF(!decodeColorSpace->isNumericalTransferFn(&transferParams)); |
| |
| jobject params = env->NewObject(gTransferParameters_class, |
| gTransferParameters_constructorMethodID, |
| transferParams.a, transferParams.b, transferParams.c, |
| transferParams.d, transferParams.e, transferParams.f, |
| transferParams.g); |
| |
| jfloatArray xyzArray = env->NewFloatArray(9); |
| jfloat xyz[9] = { |
| xyzMatrix.vals[0][0], |
| xyzMatrix.vals[1][0], |
| xyzMatrix.vals[2][0], |
| xyzMatrix.vals[0][1], |
| xyzMatrix.vals[1][1], |
| xyzMatrix.vals[2][1], |
| xyzMatrix.vals[0][2], |
| xyzMatrix.vals[1][2], |
| xyzMatrix.vals[2][2] |
| }; |
| env->SetFloatArrayRegion(xyzArray, 0, 9, xyz); |
| |
| jobject colorSpace = env->CallStaticObjectMethod(gColorSpace_class, |
| gColorSpace_matchMethodID, xyzArray, params); |
| |
| if (colorSpace == nullptr) { |
| // We couldn't find an exact match, let's create a new color space |
| // instance with the 3x3 conversion matrix and transfer function |
| colorSpace = env->NewObject(gColorSpaceRGB_class, |
| gColorSpaceRGB_constructorMethodID, |
| env->NewStringUTF("Unknown"), xyzArray, params); |
| } |
| |
| env->DeleteLocalRef(xyzArray); |
| return colorSpace; |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| bool HeapAllocator::allocPixelRef(SkBitmap* bitmap) { |
| mStorage = android::Bitmap::allocateHeapBitmap(bitmap); |
| return !!mStorage; |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| RecyclingClippingPixelAllocator::RecyclingClippingPixelAllocator( |
| android::Bitmap* recycledBitmap, size_t recycledBytes) |
| : mRecycledBitmap(recycledBitmap) |
| , mRecycledBytes(recycledBytes) |
| , mSkiaBitmap(nullptr) |
| , mNeedsCopy(false) |
| {} |
| |
| RecyclingClippingPixelAllocator::~RecyclingClippingPixelAllocator() {} |
| |
| bool RecyclingClippingPixelAllocator::allocPixelRef(SkBitmap* bitmap) { |
| // Ensure that the caller did not pass in a NULL bitmap to the constructor or this |
| // function. |
| LOG_ALWAYS_FATAL_IF(!mRecycledBitmap); |
| LOG_ALWAYS_FATAL_IF(!bitmap); |
| mSkiaBitmap = bitmap; |
| |
| // This behaves differently than the RecyclingPixelAllocator. For backwards |
| // compatibility, the original color type of the recycled bitmap must be maintained. |
| if (mRecycledBitmap->info().colorType() != bitmap->colorType()) { |
| return false; |
| } |
| |
| // The Skia bitmap specifies the width and height needed by the decoder. |
| // mRecycledBitmap specifies the width and height of the bitmap that we |
| // want to reuse. Neither can be changed. We will try to find a way |
| // to reuse the memory. |
| const int maxWidth = std::max(bitmap->width(), mRecycledBitmap->info().width()); |
| const int maxHeight = std::max(bitmap->height(), mRecycledBitmap->info().height()); |
| const SkImageInfo maxInfo = bitmap->info().makeWH(maxWidth, maxHeight); |
| const size_t rowBytes = maxInfo.minRowBytes(); |
| const size_t bytesNeeded = maxInfo.computeByteSize(rowBytes); |
| if (bytesNeeded <= mRecycledBytes) { |
| // Here we take advantage of reconfigure() to reset the rowBytes |
| // of mRecycledBitmap. It is very important that we pass in |
| // mRecycledBitmap->info() for the SkImageInfo. According to the |
| // specification for BitmapRegionDecoder, we are not allowed to change |
| // the SkImageInfo. |
| // We can (must) preserve the color space since it doesn't affect the |
| // storage needs |
| mRecycledBitmap->reconfigure( |
| mRecycledBitmap->info().makeColorSpace(bitmap->refColorSpace()), |
| rowBytes); |
| |
| // Give the bitmap the same pixelRef as mRecycledBitmap. |
| // skbug.com/4538: We also need to make sure that the rowBytes on the pixel ref |
| // match the rowBytes on the bitmap. |
| bitmap->setInfo(bitmap->info(), rowBytes); |
| bitmap->setPixelRef(sk_ref_sp(mRecycledBitmap), 0, 0); |
| |
| // Make sure that the recycled bitmap has the correct alpha type. |
| mRecycledBitmap->setAlphaType(bitmap->alphaType()); |
| |
| bitmap->notifyPixelsChanged(); |
| mNeedsCopy = false; |
| |
| // TODO: If the dimensions of the SkBitmap are smaller than those of |
| // mRecycledBitmap, should we zero the memory in mRecycledBitmap? |
| return true; |
| } |
| |
| // In the event that mRecycledBitmap is not large enough, allocate new memory |
| // on the heap. |
| SkBitmap::HeapAllocator heapAllocator; |
| |
| // We will need to copy from heap memory to mRecycledBitmap's memory after the |
| // decode is complete. |
| mNeedsCopy = true; |
| |
| return heapAllocator.allocPixelRef(bitmap); |
| } |
| |
| void RecyclingClippingPixelAllocator::copyIfNecessary() { |
| if (mNeedsCopy) { |
| mRecycledBitmap->ref(); |
| SkPixelRef* recycledPixels = mRecycledBitmap; |
| void* dst = recycledPixels->pixels(); |
| const size_t dstRowBytes = mRecycledBitmap->rowBytes(); |
| const size_t bytesToCopy = std::min(mRecycledBitmap->info().minRowBytes(), |
| mSkiaBitmap->info().minRowBytes()); |
| const int rowsToCopy = std::min(mRecycledBitmap->info().height(), |
| mSkiaBitmap->info().height()); |
| for (int y = 0; y < rowsToCopy; y++) { |
| memcpy(dst, mSkiaBitmap->getAddr(0, y), bytesToCopy); |
| dst = SkTAddOffset<void>(dst, dstRowBytes); |
| } |
| recycledPixels->notifyPixelsChanged(); |
| recycledPixels->unref(); |
| } |
| mRecycledBitmap = nullptr; |
| mSkiaBitmap = nullptr; |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| AshmemPixelAllocator::AshmemPixelAllocator(JNIEnv *env) { |
| LOG_ALWAYS_FATAL_IF(env->GetJavaVM(&mJavaVM) != JNI_OK, |
| "env->GetJavaVM failed"); |
| } |
| |
| bool AshmemPixelAllocator::allocPixelRef(SkBitmap* bitmap) { |
| mStorage = android::Bitmap::allocateAshmemBitmap(bitmap); |
| return !!mStorage; |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| int register_android_graphics_Graphics(JNIEnv* env) |
| { |
| jmethodID m; |
| jclass c; |
| |
| gRect_class = MakeGlobalRefOrDie(env, FindClassOrDie(env, "android/graphics/Rect")); |
| gRect_leftFieldID = GetFieldIDOrDie(env, gRect_class, "left", "I"); |
| gRect_topFieldID = GetFieldIDOrDie(env, gRect_class, "top", "I"); |
| gRect_rightFieldID = GetFieldIDOrDie(env, gRect_class, "right", "I"); |
| gRect_bottomFieldID = GetFieldIDOrDie(env, gRect_class, "bottom", "I"); |
| |
| gRectF_class = MakeGlobalRefOrDie(env, FindClassOrDie(env, "android/graphics/RectF")); |
| gRectF_leftFieldID = GetFieldIDOrDie(env, gRectF_class, "left", "F"); |
| gRectF_topFieldID = GetFieldIDOrDie(env, gRectF_class, "top", "F"); |
| gRectF_rightFieldID = GetFieldIDOrDie(env, gRectF_class, "right", "F"); |
| gRectF_bottomFieldID = GetFieldIDOrDie(env, gRectF_class, "bottom", "F"); |
| |
| gPoint_class = MakeGlobalRefOrDie(env, FindClassOrDie(env, "android/graphics/Point")); |
| gPoint_xFieldID = GetFieldIDOrDie(env, gPoint_class, "x", "I"); |
| gPoint_yFieldID = GetFieldIDOrDie(env, gPoint_class, "y", "I"); |
| |
| gPointF_class = MakeGlobalRefOrDie(env, FindClassOrDie(env, "android/graphics/PointF")); |
| gPointF_xFieldID = GetFieldIDOrDie(env, gPointF_class, "x", "F"); |
| gPointF_yFieldID = GetFieldIDOrDie(env, gPointF_class, "y", "F"); |
| |
| gBitmapRegionDecoder_class = MakeGlobalRefOrDie(env, FindClassOrDie(env, "android/graphics/BitmapRegionDecoder")); |
| gBitmapRegionDecoder_constructorMethodID = GetMethodIDOrDie(env, gBitmapRegionDecoder_class, "<init>", "(J)V"); |
| |
| gBitmapConfig_class = MakeGlobalRefOrDie(env, FindClassOrDie(env, "android/graphics/Bitmap$Config")); |
| gBitmapConfig_nativeInstanceID = GetFieldIDOrDie(env, gBitmapConfig_class, "nativeInt", "I"); |
| gBitmapConfig_nativeToConfigMethodID = GetStaticMethodIDOrDie(env, gBitmapConfig_class, |
| "nativeToConfig", |
| "(I)Landroid/graphics/Bitmap$Config;"); |
| |
| gCanvas_class = MakeGlobalRefOrDie(env, FindClassOrDie(env, "android/graphics/Canvas")); |
| gCanvas_nativeInstanceID = GetFieldIDOrDie(env, gCanvas_class, "mNativeCanvasWrapper", "J"); |
| |
| gPicture_class = MakeGlobalRefOrDie(env, FindClassOrDie(env, "android/graphics/Picture")); |
| gPicture_nativeInstanceID = GetFieldIDOrDie(env, gPicture_class, "mNativePicture", "J"); |
| |
| gRegion_class = MakeGlobalRefOrDie(env, FindClassOrDie(env, "android/graphics/Region")); |
| gRegion_nativeInstanceID = GetFieldIDOrDie(env, gRegion_class, "mNativeRegion", "J"); |
| gRegion_constructorMethodID = GetMethodIDOrDie(env, gRegion_class, "<init>", "(JI)V"); |
| |
| c = env->FindClass("java/lang/Byte"); |
| gByte_class = (jclass) env->NewGlobalRef( |
| env->GetStaticObjectField(c, env->GetStaticFieldID(c, "TYPE", "Ljava/lang/Class;"))); |
| |
| gVMRuntime_class = MakeGlobalRefOrDie(env, FindClassOrDie(env, "dalvik/system/VMRuntime")); |
| m = env->GetStaticMethodID(gVMRuntime_class, "getRuntime", "()Ldalvik/system/VMRuntime;"); |
| gVMRuntime = env->NewGlobalRef(env->CallStaticObjectMethod(gVMRuntime_class, m)); |
| gVMRuntime_newNonMovableArray = GetMethodIDOrDie(env, gVMRuntime_class, "newNonMovableArray", |
| "(Ljava/lang/Class;I)Ljava/lang/Object;"); |
| gVMRuntime_addressOf = GetMethodIDOrDie(env, gVMRuntime_class, "addressOf", "(Ljava/lang/Object;)J"); |
| |
| gColorSpace_class = MakeGlobalRefOrDie(env, FindClassOrDie(env, "android/graphics/ColorSpace")); |
| gColorSpace_getMethodID = GetStaticMethodIDOrDie(env, gColorSpace_class, |
| "get", "(Landroid/graphics/ColorSpace$Named;)Landroid/graphics/ColorSpace;"); |
| gColorSpace_matchMethodID = GetStaticMethodIDOrDie(env, gColorSpace_class, "match", |
| "([FLandroid/graphics/ColorSpace$Rgb$TransferParameters;)Landroid/graphics/ColorSpace;"); |
| |
| gColorSpaceRGB_class = MakeGlobalRefOrDie(env, |
| FindClassOrDie(env, "android/graphics/ColorSpace$Rgb")); |
| gColorSpaceRGB_constructorMethodID = GetMethodIDOrDie(env, gColorSpaceRGB_class, |
| "<init>", "(Ljava/lang/String;[FLandroid/graphics/ColorSpace$Rgb$TransferParameters;)V"); |
| |
| gColorSpace_Named_class = MakeGlobalRefOrDie(env, |
| FindClassOrDie(env, "android/graphics/ColorSpace$Named")); |
| gColorSpace_Named_sRGBFieldID = GetStaticFieldIDOrDie(env, |
| gColorSpace_Named_class, "SRGB", "Landroid/graphics/ColorSpace$Named;"); |
| gColorSpace_Named_ExtendedSRGBFieldID = GetStaticFieldIDOrDie(env, |
| gColorSpace_Named_class, "EXTENDED_SRGB", "Landroid/graphics/ColorSpace$Named;"); |
| gColorSpace_Named_LinearSRGBFieldID = GetStaticFieldIDOrDie(env, |
| gColorSpace_Named_class, "LINEAR_SRGB", "Landroid/graphics/ColorSpace$Named;"); |
| gColorSpace_Named_LinearExtendedSRGBFieldID = GetStaticFieldIDOrDie(env, |
| gColorSpace_Named_class, "LINEAR_EXTENDED_SRGB", "Landroid/graphics/ColorSpace$Named;"); |
| |
| gTransferParameters_class = MakeGlobalRefOrDie(env, FindClassOrDie(env, |
| "android/graphics/ColorSpace$Rgb$TransferParameters")); |
| gTransferParameters_constructorMethodID = GetMethodIDOrDie(env, gTransferParameters_class, |
| "<init>", "(DDDDDDD)V"); |
| |
| return 0; |
| } |
