| /* |
| * Copyright (C) 2013 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #define LOG_TAG "SurfaceControl" |
| |
| #include <stdio.h> |
| |
| #include "jni.h" |
| #include "JNIHelp.h" |
| |
| #include "android_os_Parcel.h" |
| #include "android_util_Binder.h" |
| #include "android/graphics/GraphicsJNI.h" |
| #include "android/graphics/Region.h" |
| |
| #include <android_runtime/AndroidRuntime.h> |
| #include <android_runtime/android_view_Surface.h> |
| #include <android_runtime/android_view_SurfaceSession.h> |
| |
| #include <gui/Surface.h> |
| #include <gui/SurfaceComposerClient.h> |
| |
| #include <ui/DisplayInfo.h> |
| #include <ui/Rect.h> |
| #include <ui/Region.h> |
| |
| #include <utils/Log.h> |
| |
| #include <ScopedUtfChars.h> |
| |
| // ---------------------------------------------------------------------------- |
| |
| namespace android { |
| |
| static const char* const OutOfResourcesException = |
| "android/view/Surface$OutOfResourcesException"; |
| |
| static struct { |
| jfieldID width; |
| jfieldID height; |
| jfieldID refreshRate; |
| jfieldID density; |
| jfieldID xDpi; |
| jfieldID yDpi; |
| jfieldID secure; |
| } gPhysicalDisplayInfoClassInfo; |
| |
| |
| class ScreenshotPixelRef : public SkPixelRef { |
| public: |
| ScreenshotPixelRef(SkColorTable* ctable) { |
| fCTable = ctable; |
| SkSafeRef(ctable); |
| setImmutable(); |
| } |
| |
| virtual ~ScreenshotPixelRef() { |
| SkSafeUnref(fCTable); |
| } |
| |
| status_t update(const sp<IBinder>& display, int width, int height, |
| int minLayer, int maxLayer, bool allLayers) { |
| status_t res = (width > 0 && height > 0) |
| ? (allLayers |
| ? mScreenshot.update(display, width, height) |
| : mScreenshot.update(display, width, height, minLayer, maxLayer)) |
| : mScreenshot.update(display); |
| if (res != NO_ERROR) { |
| return res; |
| } |
| |
| return NO_ERROR; |
| } |
| |
| uint32_t getWidth() const { |
| return mScreenshot.getWidth(); |
| } |
| |
| uint32_t getHeight() const { |
| return mScreenshot.getHeight(); |
| } |
| |
| uint32_t getStride() const { |
| return mScreenshot.getStride(); |
| } |
| |
| uint32_t getFormat() const { |
| return mScreenshot.getFormat(); |
| } |
| |
| protected: |
| // overrides from SkPixelRef |
| virtual void* onLockPixels(SkColorTable** ct) { |
| *ct = fCTable; |
| return (void*)mScreenshot.getPixels(); |
| } |
| |
| virtual void onUnlockPixels() { |
| } |
| |
| SK_DECLARE_UNFLATTENABLE_OBJECT() |
| private: |
| ScreenshotClient mScreenshot; |
| SkColorTable* fCTable; |
| |
| typedef SkPixelRef INHERITED; |
| }; |
| |
| |
| // ---------------------------------------------------------------------------- |
| |
| static jint nativeCreate(JNIEnv* env, jclass clazz, jobject sessionObj, |
| jstring nameStr, jint w, jint h, jint format, jint flags) { |
| ScopedUtfChars name(env, nameStr); |
| sp<SurfaceComposerClient> client(android_view_SurfaceSession_getClient(env, sessionObj)); |
| sp<SurfaceControl> surface = client->createSurface( |
| String8(name.c_str()), w, h, format, flags); |
| if (surface == NULL) { |
| jniThrowException(env, OutOfResourcesException, NULL); |
| return 0; |
| } |
| surface->incStrong((void *)nativeCreate); |
| return int(surface.get()); |
| } |
| |
| static void nativeRelease(JNIEnv* env, jclass clazz, jint nativeObject) { |
| sp<SurfaceControl> ctrl(reinterpret_cast<SurfaceControl *>(nativeObject)); |
| ctrl->decStrong((void *)nativeCreate); |
| } |
| |
| static void nativeDestroy(JNIEnv* env, jclass clazz, jint nativeObject) { |
| sp<SurfaceControl> ctrl(reinterpret_cast<SurfaceControl *>(nativeObject)); |
| ctrl->clear(); |
| ctrl->decStrong((void *)nativeCreate); |
| } |
| |
| static inline SkBitmap::Config convertPixelFormat(PixelFormat format) { |
| /* note: if PIXEL_FORMAT_RGBX_8888 means that all alpha bytes are 0xFF, then |
| we can map to SkBitmap::kARGB_8888_Config, and optionally call |
| bitmap.setIsOpaque(true) on the resulting SkBitmap (as an accelerator) |
| */ |
| switch (format) { |
| case PIXEL_FORMAT_RGBX_8888: return SkBitmap::kARGB_8888_Config; |
| case PIXEL_FORMAT_RGBA_8888: return SkBitmap::kARGB_8888_Config; |
| case PIXEL_FORMAT_RGB_565: return SkBitmap::kRGB_565_Config; |
| default: return SkBitmap::kNo_Config; |
| } |
| } |
| |
| static jobject nativeScreenshotBitmap(JNIEnv* env, jclass clazz, jobject displayTokenObj, |
| jint width, jint height, jint minLayer, jint maxLayer, bool allLayers) { |
| sp<IBinder> displayToken = ibinderForJavaObject(env, displayTokenObj); |
| if (displayToken == NULL) { |
| return NULL; |
| } |
| |
| ScreenshotPixelRef* pixels = new ScreenshotPixelRef(NULL); |
| if (pixels->update(displayToken, width, height, |
| minLayer, maxLayer, allLayers) != NO_ERROR) { |
| delete pixels; |
| return NULL; |
| } |
| |
| uint32_t w = pixels->getWidth(); |
| uint32_t h = pixels->getHeight(); |
| uint32_t s = pixels->getStride(); |
| uint32_t f = pixels->getFormat(); |
| ssize_t bpr = s * android::bytesPerPixel(f); |
| |
| SkBitmap* bitmap = new SkBitmap(); |
| bitmap->setConfig(convertPixelFormat(f), w, h, bpr); |
| if (f == PIXEL_FORMAT_RGBX_8888) { |
| bitmap->setIsOpaque(true); |
| } |
| |
| if (w > 0 && h > 0) { |
| bitmap->setPixelRef(pixels)->unref(); |
| bitmap->lockPixels(); |
| } else { |
| // be safe with an empty bitmap. |
| delete pixels; |
| bitmap->setPixels(NULL); |
| } |
| |
| return GraphicsJNI::createBitmap(env, bitmap, |
| GraphicsJNI::kBitmapCreateFlag_Premultiplied, NULL); |
| } |
| |
| static void nativeScreenshot(JNIEnv* env, jclass clazz, |
| jobject displayTokenObj, jobject surfaceObj, |
| jint width, jint height, jint minLayer, jint maxLayer, bool allLayers) { |
| sp<IBinder> displayToken = ibinderForJavaObject(env, displayTokenObj); |
| if (displayToken != NULL) { |
| sp<Surface> consumer = android_view_Surface_getSurface(env, surfaceObj); |
| if (consumer != NULL) { |
| if (allLayers) { |
| minLayer = 0; |
| maxLayer = -1; |
| } |
| ScreenshotClient::capture( |
| displayToken, consumer->getIGraphicBufferProducer(), |
| width, height, uint32_t(minLayer), uint32_t(maxLayer)); |
| } |
| } |
| } |
| |
| static void nativeOpenTransaction(JNIEnv* env, jclass clazz) { |
| SurfaceComposerClient::openGlobalTransaction(); |
| } |
| |
| static void nativeCloseTransaction(JNIEnv* env, jclass clazz) { |
| SurfaceComposerClient::closeGlobalTransaction(); |
| } |
| |
| static void nativeSetAnimationTransaction(JNIEnv* env, jclass clazz) { |
| SurfaceComposerClient::setAnimationTransaction(); |
| } |
| |
| static void nativeSetLayer(JNIEnv* env, jclass clazz, jint nativeObject, jint zorder) { |
| SurfaceControl* const ctrl = reinterpret_cast<SurfaceControl *>(nativeObject); |
| status_t err = ctrl->setLayer(zorder); |
| if (err < 0 && err != NO_INIT) { |
| doThrowIAE(env); |
| } |
| } |
| |
| static void nativeSetPosition(JNIEnv* env, jclass clazz, jint nativeObject, jfloat x, jfloat y) { |
| SurfaceControl* const ctrl = reinterpret_cast<SurfaceControl *>(nativeObject); |
| status_t err = ctrl->setPosition(x, y); |
| if (err < 0 && err != NO_INIT) { |
| doThrowIAE(env); |
| } |
| } |
| |
| static void nativeSetSize(JNIEnv* env, jclass clazz, jint nativeObject, jint w, jint h) { |
| SurfaceControl* const ctrl = reinterpret_cast<SurfaceControl *>(nativeObject); |
| status_t err = ctrl->setSize(w, h); |
| if (err < 0 && err != NO_INIT) { |
| doThrowIAE(env); |
| } |
| } |
| |
| static void nativeSetFlags(JNIEnv* env, jclass clazz, jint nativeObject, jint flags, jint mask) { |
| SurfaceControl* const ctrl = reinterpret_cast<SurfaceControl *>(nativeObject); |
| status_t err = ctrl->setFlags(flags, mask); |
| if (err < 0 && err != NO_INIT) { |
| doThrowIAE(env); |
| } |
| } |
| |
| static void nativeSetTransparentRegionHint(JNIEnv* env, jclass clazz, jint nativeObject, jobject regionObj) { |
| SurfaceControl* const ctrl = reinterpret_cast<SurfaceControl *>(nativeObject); |
| SkRegion* region = android_graphics_Region_getSkRegion(env, regionObj); |
| if (!region) { |
| doThrowIAE(env); |
| return; |
| } |
| |
| const SkIRect& b(region->getBounds()); |
| Region reg(Rect(b.fLeft, b.fTop, b.fRight, b.fBottom)); |
| if (region->isComplex()) { |
| SkRegion::Iterator it(*region); |
| while (!it.done()) { |
| const SkIRect& r(it.rect()); |
| reg.addRectUnchecked(r.fLeft, r.fTop, r.fRight, r.fBottom); |
| it.next(); |
| } |
| } |
| |
| status_t err = ctrl->setTransparentRegionHint(reg); |
| if (err < 0 && err != NO_INIT) { |
| doThrowIAE(env); |
| } |
| } |
| |
| static void nativeSetAlpha(JNIEnv* env, jclass clazz, jint nativeObject, jfloat alpha) { |
| SurfaceControl* const ctrl = reinterpret_cast<SurfaceControl *>(nativeObject); |
| status_t err = ctrl->setAlpha(alpha); |
| if (err < 0 && err != NO_INIT) { |
| doThrowIAE(env); |
| } |
| } |
| |
| static void nativeSetMatrix(JNIEnv* env, jclass clazz, jint nativeObject, |
| jfloat dsdx, jfloat dtdx, jfloat dsdy, jfloat dtdy) { |
| SurfaceControl* const ctrl = reinterpret_cast<SurfaceControl *>(nativeObject); |
| status_t err = ctrl->setMatrix(dsdx, dtdx, dsdy, dtdy); |
| if (err < 0 && err != NO_INIT) { |
| doThrowIAE(env); |
| } |
| } |
| |
| static void nativeSetWindowCrop(JNIEnv* env, jclass clazz, jint nativeObject, |
| jint l, jint t, jint r, jint b) { |
| SurfaceControl* const ctrl = reinterpret_cast<SurfaceControl *>(nativeObject); |
| Rect crop(l, t, r, b); |
| status_t err = ctrl->setCrop(crop); |
| if (err < 0 && err != NO_INIT) { |
| doThrowIAE(env); |
| } |
| } |
| |
| static void nativeSetLayerStack(JNIEnv* env, jclass clazz, jint nativeObject, jint layerStack) { |
| SurfaceControl* const ctrl = reinterpret_cast<SurfaceControl *>(nativeObject); |
| status_t err = ctrl->setLayerStack(layerStack); |
| if (err < 0 && err != NO_INIT) { |
| doThrowIAE(env); |
| } |
| } |
| |
| static jobject nativeGetBuiltInDisplay(JNIEnv* env, jclass clazz, jint id) { |
| sp<IBinder> token(SurfaceComposerClient::getBuiltInDisplay(id)); |
| return javaObjectForIBinder(env, token); |
| } |
| |
| static jobject nativeCreateDisplay(JNIEnv* env, jclass clazz, jstring nameObj, |
| jboolean secure) { |
| ScopedUtfChars name(env, nameObj); |
| sp<IBinder> token(SurfaceComposerClient::createDisplay( |
| String8(name.c_str()), bool(secure))); |
| return javaObjectForIBinder(env, token); |
| } |
| |
| static void nativeDestroyDisplay(JNIEnv* env, jclass clazz, jobject tokenObj) { |
| sp<IBinder> token(ibinderForJavaObject(env, tokenObj)); |
| if (token == NULL) return; |
| SurfaceComposerClient::destroyDisplay(token); |
| } |
| |
| static void nativeSetDisplaySurface(JNIEnv* env, jclass clazz, |
| jobject tokenObj, jint nativeSurfaceObject) { |
| sp<IBinder> token(ibinderForJavaObject(env, tokenObj)); |
| if (token == NULL) return; |
| sp<IGraphicBufferProducer> bufferProducer; |
| sp<Surface> sur(reinterpret_cast<Surface *>(nativeSurfaceObject)); |
| if (sur != NULL) { |
| bufferProducer = sur->getIGraphicBufferProducer(); |
| } |
| SurfaceComposerClient::setDisplaySurface(token, bufferProducer); |
| } |
| |
| static void nativeSetDisplayLayerStack(JNIEnv* env, jclass clazz, |
| jobject tokenObj, jint layerStack) { |
| sp<IBinder> token(ibinderForJavaObject(env, tokenObj)); |
| if (token == NULL) return; |
| |
| SurfaceComposerClient::setDisplayLayerStack(token, layerStack); |
| } |
| |
| static void nativeSetDisplayProjection(JNIEnv* env, jclass clazz, |
| jobject tokenObj, jint orientation, |
| jint layerStackRect_left, jint layerStackRect_top, jint layerStackRect_right, jint layerStackRect_bottom, |
| jint displayRect_left, jint displayRect_top, jint displayRect_right, jint displayRect_bottom) { |
| sp<IBinder> token(ibinderForJavaObject(env, tokenObj)); |
| if (token == NULL) return; |
| Rect layerStackRect(layerStackRect_left, layerStackRect_top, layerStackRect_right, layerStackRect_bottom); |
| Rect displayRect(displayRect_left, displayRect_top, displayRect_right, displayRect_bottom); |
| SurfaceComposerClient::setDisplayProjection(token, orientation, layerStackRect, displayRect); |
| } |
| |
| static jboolean nativeGetDisplayInfo(JNIEnv* env, jclass clazz, |
| jobject tokenObj, jobject infoObj) { |
| sp<IBinder> token(ibinderForJavaObject(env, tokenObj)); |
| if (token == NULL) return JNI_FALSE; |
| |
| DisplayInfo info; |
| if (SurfaceComposerClient::getDisplayInfo(token, &info)) { |
| return JNI_FALSE; |
| } |
| |
| env->SetIntField(infoObj, gPhysicalDisplayInfoClassInfo.width, info.w); |
| env->SetIntField(infoObj, gPhysicalDisplayInfoClassInfo.height, info.h); |
| env->SetFloatField(infoObj, gPhysicalDisplayInfoClassInfo.refreshRate, info.fps); |
| env->SetFloatField(infoObj, gPhysicalDisplayInfoClassInfo.density, info.density); |
| env->SetFloatField(infoObj, gPhysicalDisplayInfoClassInfo.xDpi, info.xdpi); |
| env->SetFloatField(infoObj, gPhysicalDisplayInfoClassInfo.yDpi, info.ydpi); |
| env->SetBooleanField(infoObj, gPhysicalDisplayInfoClassInfo.secure, info.secure); |
| return JNI_TRUE; |
| } |
| |
| static void nativeBlankDisplay(JNIEnv* env, jclass clazz, jobject tokenObj) { |
| sp<IBinder> token(ibinderForJavaObject(env, tokenObj)); |
| if (token == NULL) return; |
| |
| ALOGD_IF_SLOW(100, "Excessive delay in blankDisplay() while turning screen off"); |
| SurfaceComposerClient::blankDisplay(token); |
| } |
| |
| static void nativeUnblankDisplay(JNIEnv* env, jclass clazz, jobject tokenObj) { |
| sp<IBinder> token(ibinderForJavaObject(env, tokenObj)); |
| if (token == NULL) return; |
| |
| ALOGD_IF_SLOW(100, "Excessive delay in unblankDisplay() while turning screen on"); |
| SurfaceComposerClient::unblankDisplay(token); |
| } |
| |
| // ---------------------------------------------------------------------------- |
| |
| static JNINativeMethod sSurfaceControlMethods[] = { |
| {"nativeCreate", "(Landroid/view/SurfaceSession;Ljava/lang/String;IIII)I", |
| (void*)nativeCreate }, |
| {"nativeRelease", "(I)V", |
| (void*)nativeRelease }, |
| {"nativeDestroy", "(I)V", |
| (void*)nativeDestroy }, |
| {"nativeScreenshot", "(Landroid/os/IBinder;IIIIZ)Landroid/graphics/Bitmap;", |
| (void*)nativeScreenshotBitmap }, |
| {"nativeScreenshot", "(Landroid/os/IBinder;Landroid/view/Surface;IIIIZ)V", |
| (void*)nativeScreenshot }, |
| {"nativeOpenTransaction", "()V", |
| (void*)nativeOpenTransaction }, |
| {"nativeCloseTransaction", "()V", |
| (void*)nativeCloseTransaction }, |
| {"nativeSetAnimationTransaction", "()V", |
| (void*)nativeSetAnimationTransaction }, |
| {"nativeSetLayer", "(II)V", |
| (void*)nativeSetLayer }, |
| {"nativeSetPosition", "(IFF)V", |
| (void*)nativeSetPosition }, |
| {"nativeSetSize", "(III)V", |
| (void*)nativeSetSize }, |
| {"nativeSetTransparentRegionHint", "(ILandroid/graphics/Region;)V", |
| (void*)nativeSetTransparentRegionHint }, |
| {"nativeSetAlpha", "(IF)V", |
| (void*)nativeSetAlpha }, |
| {"nativeSetMatrix", "(IFFFF)V", |
| (void*)nativeSetMatrix }, |
| {"nativeSetFlags", "(III)V", |
| (void*)nativeSetFlags }, |
| {"nativeSetWindowCrop", "(IIIII)V", |
| (void*)nativeSetWindowCrop }, |
| {"nativeSetLayerStack", "(II)V", |
| (void*)nativeSetLayerStack }, |
| {"nativeGetBuiltInDisplay", "(I)Landroid/os/IBinder;", |
| (void*)nativeGetBuiltInDisplay }, |
| {"nativeCreateDisplay", "(Ljava/lang/String;Z)Landroid/os/IBinder;", |
| (void*)nativeCreateDisplay }, |
| {"nativeDestroyDisplay", "(Landroid/os/IBinder;)V", |
| (void*)nativeDestroyDisplay }, |
| {"nativeSetDisplaySurface", "(Landroid/os/IBinder;I)V", |
| (void*)nativeSetDisplaySurface }, |
| {"nativeSetDisplayLayerStack", "(Landroid/os/IBinder;I)V", |
| (void*)nativeSetDisplayLayerStack }, |
| {"nativeSetDisplayProjection", "(Landroid/os/IBinder;IIIIIIIII)V", |
| (void*)nativeSetDisplayProjection }, |
| {"nativeGetDisplayInfo", "(Landroid/os/IBinder;Landroid/view/SurfaceControl$PhysicalDisplayInfo;)Z", |
| (void*)nativeGetDisplayInfo }, |
| {"nativeBlankDisplay", "(Landroid/os/IBinder;)V", |
| (void*)nativeBlankDisplay }, |
| {"nativeUnblankDisplay", "(Landroid/os/IBinder;)V", |
| (void*)nativeUnblankDisplay }, |
| }; |
| |
| int register_android_view_SurfaceControl(JNIEnv* env) |
| { |
| int err = AndroidRuntime::registerNativeMethods(env, "android/view/SurfaceControl", |
| sSurfaceControlMethods, NELEM(sSurfaceControlMethods)); |
| |
| jclass clazz = env->FindClass("android/view/SurfaceControl$PhysicalDisplayInfo"); |
| gPhysicalDisplayInfoClassInfo.width = env->GetFieldID(clazz, "width", "I"); |
| gPhysicalDisplayInfoClassInfo.height = env->GetFieldID(clazz, "height", "I"); |
| gPhysicalDisplayInfoClassInfo.refreshRate = env->GetFieldID(clazz, "refreshRate", "F"); |
| gPhysicalDisplayInfoClassInfo.density = env->GetFieldID(clazz, "density", "F"); |
| gPhysicalDisplayInfoClassInfo.xDpi = env->GetFieldID(clazz, "xDpi", "F"); |
| gPhysicalDisplayInfoClassInfo.yDpi = env->GetFieldID(clazz, "yDpi", "F"); |
| gPhysicalDisplayInfoClassInfo.secure = env->GetFieldID(clazz, "secure", "Z"); |
| return err; |
| } |
| |
| }; |