| /* |
| * Copyright (C) 2007 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 "Surface" |
| |
| #include <stdio.h> |
| |
| #include "android_os_Parcel.h" |
| #include "android_util_Binder.h" |
| #include "android/graphics/GraphicsJNI.h" |
| #include "android/graphics/Region.h" |
| |
| #include <binder/IMemory.h> |
| |
| #include <gui/ISurfaceComposer.h> |
| #include <gui/Surface.h> |
| #include <gui/SurfaceComposerClient.h> |
| #include <gui/SurfaceTexture.h> |
| |
| #include <ui/DisplayInfo.h> |
| #include <ui/Rect.h> |
| #include <ui/Region.h> |
| |
| #include <EGL/egl.h> |
| |
| #include <SkCanvas.h> |
| #include <SkBitmap.h> |
| #include <SkRegion.h> |
| #include <SkPixelRef.h> |
| |
| #include "jni.h" |
| #include "JNIHelp.h" |
| #include <android_runtime/AndroidRuntime.h> |
| #include <android_runtime/android_view_Surface.h> |
| #include <android_runtime/android_view_SurfaceSession.h> |
| #include <android_runtime/android_graphics_SurfaceTexture.h> |
| #include <utils/misc.h> |
| #include <utils/Log.h> |
| |
| #include <ScopedUtfChars.h> |
| |
| |
| // ---------------------------------------------------------------------------- |
| |
| namespace android { |
| |
| static const char* const OutOfResourcesException = |
| "android/view/Surface$OutOfResourcesException"; |
| |
| static struct { |
| jclass clazz; |
| jfieldID mNativeSurface; |
| jfieldID mNativeSurfaceControl; |
| jfieldID mGenerationId; |
| jfieldID mCanvas; |
| jfieldID mCanvasSaveCount; |
| jmethodID ctor; |
| } gSurfaceClassInfo; |
| |
| static struct { |
| jfieldID left; |
| jfieldID top; |
| jfieldID right; |
| jfieldID bottom; |
| } gRectClassInfo; |
| |
| static struct { |
| jfieldID mNativeCanvas; |
| jfieldID mSurfaceFormat; |
| } gCanvasClassInfo; |
| |
| static struct { |
| jfieldID width; |
| jfieldID height; |
| jfieldID refreshRate; |
| jfieldID density; |
| jfieldID xDpi; |
| jfieldID yDpi; |
| } 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() { |
| } |
| |
| private: |
| ScreenshotClient mScreenshot; |
| SkColorTable* fCTable; |
| |
| typedef SkPixelRef INHERITED; |
| }; |
| |
| |
| // ---------------------------------------------------------------------------- |
| |
| static sp<SurfaceControl> getSurfaceControl(JNIEnv* env, jobject surfaceObj) { |
| return reinterpret_cast<SurfaceControl*>( |
| env->GetIntField(surfaceObj, gSurfaceClassInfo.mNativeSurfaceControl)); |
| } |
| |
| static void setSurfaceControl(JNIEnv* env, jobject surfaceObj, |
| const sp<SurfaceControl>& surface) { |
| SurfaceControl* const p = reinterpret_cast<SurfaceControl*>( |
| env->GetIntField(surfaceObj, gSurfaceClassInfo.mNativeSurfaceControl)); |
| if (surface.get()) { |
| surface->incStrong(surfaceObj); |
| } |
| if (p) { |
| p->decStrong(surfaceObj); |
| } |
| env->SetIntField(surfaceObj, gSurfaceClassInfo.mNativeSurfaceControl, |
| reinterpret_cast<jint>(surface.get())); |
| } |
| |
| static sp<Surface> getSurface(JNIEnv* env, jobject surfaceObj) { |
| sp<Surface> result(android_view_Surface_getSurface(env, surfaceObj)); |
| if (result == NULL) { |
| /* |
| * if this method is called from the WindowManager's process, it means |
| * the client is is not remote, and therefore is allowed to have |
| * a Surface (data), so we create it here. |
| * If we don't have a SurfaceControl, it means we're in a different |
| * process. |
| */ |
| |
| SurfaceControl* const control = reinterpret_cast<SurfaceControl*>( |
| env->GetIntField(surfaceObj, gSurfaceClassInfo.mNativeSurfaceControl)); |
| if (control) { |
| result = control->getSurface(); |
| if (result != NULL) { |
| result->incStrong(surfaceObj); |
| env->SetIntField(surfaceObj, gSurfaceClassInfo.mNativeSurface, |
| reinterpret_cast<jint>(result.get())); |
| } |
| } |
| } |
| return result; |
| } |
| |
| sp<ANativeWindow> android_view_Surface_getNativeWindow(JNIEnv* env, jobject surfaceObj) { |
| return getSurface(env, surfaceObj); |
| } |
| |
| bool android_view_Surface_isInstanceOf(JNIEnv* env, jobject obj) { |
| return env->IsInstanceOf(obj, gSurfaceClassInfo.clazz); |
| } |
| |
| sp<Surface> android_view_Surface_getSurface(JNIEnv* env, jobject surfaceObj) { |
| return reinterpret_cast<Surface*>( |
| env->GetIntField(surfaceObj, gSurfaceClassInfo.mNativeSurface)); |
| } |
| |
| static void setSurface(JNIEnv* env, jobject surfaceObj, const sp<Surface>& surface) { |
| Surface* const p = reinterpret_cast<Surface*>( |
| env->GetIntField(surfaceObj, gSurfaceClassInfo.mNativeSurface)); |
| if (surface.get()) { |
| surface->incStrong(surfaceObj); |
| } |
| if (p) { |
| p->decStrong(surfaceObj); |
| } |
| env->SetIntField(surfaceObj, gSurfaceClassInfo.mNativeSurface, |
| reinterpret_cast<jint>(surface.get())); |
| |
| // This test is conservative and it would be better to compare the ISurfaces |
| if (p && p != surface.get()) { |
| jint generationId = env->GetIntField(surfaceObj, |
| gSurfaceClassInfo.mGenerationId); |
| generationId++; |
| env->SetIntField(surfaceObj, |
| gSurfaceClassInfo.mGenerationId, generationId); |
| } |
| } |
| |
| static sp<ISurfaceTexture> getISurfaceTexture(JNIEnv* env, jobject surfaceObj) { |
| if (surfaceObj) { |
| sp<Surface> surface(getSurface(env, surfaceObj)); |
| if (surface != NULL) { |
| return surface->getSurfaceTexture(); |
| } |
| } |
| return NULL; |
| } |
| |
| jobject android_view_Surface_createFromISurfaceTexture(JNIEnv* env, |
| const sp<ISurfaceTexture>& surfaceTexture) { |
| if (surfaceTexture == NULL) { |
| return NULL; |
| } |
| |
| sp<Surface> surface(new Surface(surfaceTexture)); |
| if (surface == NULL) { |
| return NULL; |
| } |
| |
| jobject surfaceObj = env->NewObject(gSurfaceClassInfo.clazz, gSurfaceClassInfo.ctor); |
| if (surfaceObj == NULL) { |
| if (env->ExceptionCheck()) { |
| ALOGE("Could not create instance of Surface from ISurfaceTexture."); |
| LOGE_EX(env); |
| env->ExceptionClear(); |
| } |
| return NULL; |
| } |
| |
| setSurface(env, surfaceObj, surface); |
| return surfaceObj; |
| } |
| |
| |
| // ---------------------------------------------------------------------------- |
| |
| static void nativeCreate(JNIEnv* env, jobject surfaceObj, 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; |
| } |
| |
| setSurfaceControl(env, surfaceObj, surface); |
| } |
| |
| static void nativeCreateFromSurfaceTexture(JNIEnv* env, jobject surfaceObj, |
| jobject surfaceTextureObj) { |
| sp<SurfaceTexture> st(SurfaceTexture_getSurfaceTexture(env, surfaceTextureObj)); |
| if (st == NULL) { |
| jniThrowException(env, "java/lang/IllegalArgumentException", |
| "SurfaceTexture has already been released"); |
| return; |
| } |
| |
| sp<ISurfaceTexture> bq = st->getBufferQueue(); |
| |
| sp<Surface> surface(new Surface(bq)); |
| if (surface == NULL) { |
| jniThrowException(env, OutOfResourcesException, NULL); |
| return; |
| } |
| |
| setSurface(env, surfaceObj, surface); |
| } |
| |
| static void nativeRelease(JNIEnv* env, jobject surfaceObj) { |
| setSurfaceControl(env, surfaceObj, NULL); |
| setSurface(env, surfaceObj, NULL); |
| } |
| |
| static void nativeDestroy(JNIEnv* env, jobject surfaceObj) { |
| sp<SurfaceControl> surfaceControl(getSurfaceControl(env, surfaceObj)); |
| if (SurfaceControl::isValid(surfaceControl)) { |
| surfaceControl->clear(); |
| } |
| setSurfaceControl(env, surfaceObj, NULL); |
| setSurface(env, surfaceObj, NULL); |
| } |
| |
| static jboolean nativeIsValid(JNIEnv* env, jobject surfaceObj) { |
| sp<SurfaceControl> surfaceControl(getSurfaceControl(env, surfaceObj)); |
| if (surfaceControl != NULL) { |
| return SurfaceControl::isValid(surfaceControl) ? JNI_TRUE : JNI_FALSE; |
| } |
| |
| sp<Surface> surface(getSurface(env, surfaceObj)); |
| return Surface::isValid(surface) ? JNI_TRUE : JNI_FALSE; |
| } |
| |
| static jint nativeGetIdentity(JNIEnv* env, jobject surfaceObj) { |
| sp<SurfaceControl> control(getSurfaceControl(env, surfaceObj)); |
| if (control != NULL) { |
| return jint(control->getIdentity()); |
| } |
| |
| sp<Surface> surface(getSurface(env, surfaceObj)); |
| if (surface != NULL) { |
| return jint(surface->getIdentity()); |
| } |
| |
| return -1; |
| } |
| |
| static jboolean nativeIsConsumerRunningBehind(JNIEnv* env, jobject surfaceObj) { |
| sp<Surface> surface(getSurface(env, surfaceObj)); |
| if (!Surface::isValid(surface)) { |
| doThrowIAE(env); |
| return JNI_FALSE; |
| } |
| |
| int value = 0; |
| ANativeWindow* anw = static_cast<ANativeWindow*>(surface.get()); |
| anw->query(anw, NATIVE_WINDOW_CONSUMER_RUNNING_BEHIND, &value); |
| return value; |
| } |
| |
| 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_RGBA_4444: return SkBitmap::kARGB_4444_Config; |
| case PIXEL_FORMAT_RGB_565: return SkBitmap::kRGB_565_Config; |
| case PIXEL_FORMAT_A_8: return SkBitmap::kA8_Config; |
| default: return SkBitmap::kNo_Config; |
| } |
| } |
| |
| static jobject nativeLockCanvas(JNIEnv* env, jobject surfaceObj, jobject dirtyRectObj) { |
| sp<Surface> surface(getSurface(env, surfaceObj)); |
| if (!Surface::isValid(surface)) { |
| doThrowIAE(env); |
| return NULL; |
| } |
| |
| // get dirty region |
| Region dirtyRegion; |
| if (dirtyRectObj) { |
| Rect dirty; |
| dirty.left = env->GetIntField(dirtyRectObj, gRectClassInfo.left); |
| dirty.top = env->GetIntField(dirtyRectObj, gRectClassInfo.top); |
| dirty.right = env->GetIntField(dirtyRectObj, gRectClassInfo.right); |
| dirty.bottom = env->GetIntField(dirtyRectObj, gRectClassInfo.bottom); |
| if (!dirty.isEmpty()) { |
| dirtyRegion.set(dirty); |
| } |
| } else { |
| dirtyRegion.set(Rect(0x3FFF, 0x3FFF)); |
| } |
| |
| Surface::SurfaceInfo info; |
| status_t err = surface->lock(&info, &dirtyRegion); |
| if (err < 0) { |
| const char* const exception = (err == NO_MEMORY) ? |
| OutOfResourcesException : |
| "java/lang/IllegalArgumentException"; |
| jniThrowException(env, exception, NULL); |
| return NULL; |
| } |
| |
| // Associate a SkCanvas object to this surface |
| jobject canvasObj = env->GetObjectField(surfaceObj, gSurfaceClassInfo.mCanvas); |
| env->SetIntField(canvasObj, gCanvasClassInfo.mSurfaceFormat, info.format); |
| |
| SkCanvas* nativeCanvas = reinterpret_cast<SkCanvas*>( |
| env->GetIntField(canvasObj, gCanvasClassInfo.mNativeCanvas)); |
| SkBitmap bitmap; |
| ssize_t bpr = info.s * bytesPerPixel(info.format); |
| bitmap.setConfig(convertPixelFormat(info.format), info.w, info.h, bpr); |
| if (info.format == PIXEL_FORMAT_RGBX_8888) { |
| bitmap.setIsOpaque(true); |
| } |
| if (info.w > 0 && info.h > 0) { |
| bitmap.setPixels(info.bits); |
| } else { |
| // be safe with an empty bitmap. |
| bitmap.setPixels(NULL); |
| } |
| nativeCanvas->setBitmapDevice(bitmap); |
| |
| SkRegion clipReg; |
| if (dirtyRegion.isRect()) { // very common case |
| const Rect b(dirtyRegion.getBounds()); |
| clipReg.setRect(b.left, b.top, b.right, b.bottom); |
| } else { |
| size_t count; |
| Rect const* r = dirtyRegion.getArray(&count); |
| while (count) { |
| clipReg.op(r->left, r->top, r->right, r->bottom, SkRegion::kUnion_Op); |
| r++, count--; |
| } |
| } |
| |
| nativeCanvas->clipRegion(clipReg); |
| |
| int saveCount = nativeCanvas->save(); |
| env->SetIntField(surfaceObj, gSurfaceClassInfo.mCanvasSaveCount, saveCount); |
| |
| if (dirtyRectObj) { |
| const Rect& bounds(dirtyRegion.getBounds()); |
| env->SetIntField(dirtyRectObj, gRectClassInfo.left, bounds.left); |
| env->SetIntField(dirtyRectObj, gRectClassInfo.top, bounds.top); |
| env->SetIntField(dirtyRectObj, gRectClassInfo.right, bounds.right); |
| env->SetIntField(dirtyRectObj, gRectClassInfo.bottom, bounds.bottom); |
| } |
| |
| return canvasObj; |
| } |
| |
| static void nativeUnlockCanvasAndPost(JNIEnv* env, jobject surfaceObj, jobject canvasObj) { |
| jobject ownCanvasObj = env->GetObjectField(surfaceObj, gSurfaceClassInfo.mCanvas); |
| if (!env->IsSameObject(ownCanvasObj, canvasObj)) { |
| doThrowIAE(env); |
| return; |
| } |
| |
| sp<Surface> surface(getSurface(env, surfaceObj)); |
| if (!Surface::isValid(surface)) { |
| return; |
| } |
| |
| // detach the canvas from the surface |
| SkCanvas* nativeCanvas = reinterpret_cast<SkCanvas*>( |
| env->GetIntField(canvasObj, gCanvasClassInfo.mNativeCanvas)); |
| int saveCount = env->GetIntField(surfaceObj, gSurfaceClassInfo.mCanvasSaveCount); |
| nativeCanvas->restoreToCount(saveCount); |
| nativeCanvas->setBitmapDevice(SkBitmap()); |
| env->SetIntField(surfaceObj, gSurfaceClassInfo.mCanvasSaveCount, 0); |
| |
| // unlock surface |
| status_t err = surface->unlockAndPost(); |
| if (err < 0) { |
| doThrowIAE(env); |
| } |
| } |
| |
| static jobject nativeScreenshot(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, false, NULL); |
| } |
| |
| 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, jobject surfaceObj, jint zorder) { |
| sp<SurfaceControl> surface(getSurfaceControl(env, surfaceObj)); |
| if (surface == NULL) return; |
| |
| status_t err = surface->setLayer(zorder); |
| if (err < 0 && err != NO_INIT) { |
| doThrowIAE(env); |
| } |
| } |
| |
| static void nativeSetPosition(JNIEnv* env, jobject surfaceObj, jfloat x, jfloat y) { |
| sp<SurfaceControl> surface(getSurfaceControl(env, surfaceObj)); |
| if (surface == NULL) return; |
| |
| status_t err = surface->setPosition(x, y); |
| if (err < 0 && err != NO_INIT) { |
| doThrowIAE(env); |
| } |
| } |
| |
| static void nativeSetSize(JNIEnv* env, jobject surfaceObj, jint w, jint h) { |
| sp<SurfaceControl> surface(getSurfaceControl(env, surfaceObj)); |
| if (surface == NULL) return; |
| |
| status_t err = surface->setSize(w, h); |
| if (err < 0 && err != NO_INIT) { |
| doThrowIAE(env); |
| } |
| } |
| |
| static void nativeSetFlags(JNIEnv* env, jobject surfaceObj, jint flags, jint mask) { |
| sp<SurfaceControl> surface(getSurfaceControl(env, surfaceObj)); |
| if (surface == NULL) return; |
| |
| status_t err = surface->setFlags(flags, mask); |
| if (err < 0 && err != NO_INIT) { |
| doThrowIAE(env); |
| } |
| } |
| |
| static void nativeSetTransparentRegionHint(JNIEnv* env, jobject surfaceObj, jobject regionObj) { |
| sp<SurfaceControl> surface(getSurfaceControl(env, surfaceObj)); |
| if (surface == NULL) return; |
| |
| 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 = surface->setTransparentRegionHint(reg); |
| if (err < 0 && err != NO_INIT) { |
| doThrowIAE(env); |
| } |
| } |
| |
| static void nativeSetAlpha(JNIEnv* env, jobject surfaceObj, jfloat alpha) { |
| sp<SurfaceControl> surface(getSurfaceControl(env, surfaceObj)); |
| if (surface == NULL) return; |
| |
| status_t err = surface->setAlpha(alpha); |
| if (err < 0 && err != NO_INIT) { |
| doThrowIAE(env); |
| } |
| } |
| |
| static void nativeSetMatrix(JNIEnv* env, jobject surfaceObj, |
| jfloat dsdx, jfloat dtdx, jfloat dsdy, jfloat dtdy) { |
| sp<SurfaceControl> surface(getSurfaceControl(env, surfaceObj)); |
| if (surface == NULL) return; |
| |
| status_t err = surface->setMatrix(dsdx, dtdx, dsdy, dtdy); |
| if (err < 0 && err != NO_INIT) { |
| doThrowIAE(env); |
| } |
| } |
| |
| static void nativeSetWindowCrop(JNIEnv* env, jobject surfaceObj, jobject cropObj) { |
| const sp<SurfaceControl>& surface(getSurfaceControl(env, surfaceObj)); |
| if (surface == NULL) return; |
| |
| Rect crop; |
| if (cropObj) { |
| crop.left = env->GetIntField(cropObj, gRectClassInfo.left); |
| crop.top = env->GetIntField(cropObj, gRectClassInfo.top); |
| crop.right = env->GetIntField(cropObj, gRectClassInfo.right); |
| crop.bottom = env->GetIntField(cropObj, gRectClassInfo.bottom); |
| } else { |
| crop.left = crop.top = crop.right = crop.bottom = 0; |
| } |
| |
| status_t err = surface->setCrop(crop); |
| if (err < 0 && err != NO_INIT) { |
| doThrowIAE(env); |
| } |
| } |
| |
| static void nativeSetLayerStack(JNIEnv* env, jobject surfaceObj, jint layerStack) { |
| sp<SurfaceControl> surface(getSurfaceControl(env, surfaceObj)); |
| if (surface == NULL) return; |
| |
| status_t err = surface->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) { |
| ScopedUtfChars name(env, nameObj); |
| sp<IBinder> token(SurfaceComposerClient::createDisplay(String8(name.c_str()))); |
| return javaObjectForIBinder(env, token); |
| } |
| |
| static void nativeSetDisplaySurface(JNIEnv* env, jclass clazz, |
| jobject tokenObj, jobject surfaceObj) { |
| sp<IBinder> token(ibinderForJavaObject(env, tokenObj)); |
| if (token == NULL) return; |
| |
| sp<ISurfaceTexture> surfaceTexture(getISurfaceTexture(env, surfaceObj)); |
| SurfaceComposerClient::setDisplaySurface(token, surfaceTexture); |
| } |
| |
| 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, jobject layerStackRectObj, jobject displayRectObj) { |
| sp<IBinder> token(ibinderForJavaObject(env, tokenObj)); |
| if (token == NULL) return; |
| |
| Rect layerStackRect; |
| layerStackRect.left = env->GetIntField(layerStackRectObj, gRectClassInfo.left); |
| layerStackRect.top = env->GetIntField(layerStackRectObj, gRectClassInfo.top); |
| layerStackRect.right = env->GetIntField(layerStackRectObj, gRectClassInfo.right); |
| layerStackRect.bottom = env->GetIntField(layerStackRectObj, gRectClassInfo.bottom); |
| |
| Rect displayRect; |
| displayRect.left = env->GetIntField(displayRectObj, gRectClassInfo.left); |
| displayRect.top = env->GetIntField(displayRectObj, gRectClassInfo.top); |
| displayRect.right = env->GetIntField(displayRectObj, gRectClassInfo.right); |
| displayRect.bottom = env->GetIntField(displayRectObj, gRectClassInfo.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); |
| 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 void nativeCopyFrom(JNIEnv* env, jobject surfaceObj, jobject otherObj) { |
| /* |
| * This is used by the WindowManagerService just after constructing |
| * a Surface and is necessary for returning the Surface reference to |
| * the caller. At this point, we should only have a SurfaceControl. |
| */ |
| |
| sp<SurfaceControl> surface(getSurfaceControl(env, surfaceObj)); |
| sp<SurfaceControl> other(getSurfaceControl(env, otherObj)); |
| if (!SurfaceControl::isSameSurface(surface, other)) { |
| // we reassign the surface only if it's a different one |
| // otherwise we would loose our client-side state. |
| setSurfaceControl(env, surfaceObj, other); |
| } |
| } |
| |
| static void nativeTransferFrom(JNIEnv* env, jobject surfaceObj, jobject otherObj) { |
| sp<SurfaceControl> control(getSurfaceControl(env, otherObj)); |
| sp<Surface> surface(android_view_Surface_getSurface(env, otherObj)); |
| setSurfaceControl(env, surfaceObj, control); |
| setSurface(env, surfaceObj, surface); |
| setSurfaceControl(env, otherObj, NULL); |
| setSurface(env, otherObj, NULL); |
| } |
| |
| static void nativeReadFromParcel(JNIEnv* env, jobject surfaceObj, jobject parcelObj) { |
| Parcel* parcel = parcelForJavaObject(env, parcelObj); |
| if (parcel == NULL) { |
| doThrowNPE(env); |
| return; |
| } |
| |
| sp<Surface> surface(Surface::readFromParcel(*parcel)); |
| setSurfaceControl(env, surfaceObj, NULL); |
| setSurface(env, surfaceObj, surface); |
| } |
| |
| static void nativeWriteToParcel(JNIEnv* env, jobject surfaceObj, jobject parcelObj) { |
| Parcel* parcel = parcelForJavaObject(env, parcelObj); |
| if (parcel == NULL) { |
| doThrowNPE(env); |
| return; |
| } |
| |
| // The Java instance may have a SurfaceControl (in the case of the |
| // WindowManager or a system app). In that case, we defer to the |
| // SurfaceControl to send its ISurface. Otherwise, if the Surface is |
| // available we let it parcel itself. Finally, if the Surface is also |
| // NULL we fall back to using the SurfaceControl path which sends an |
| // empty surface; this matches legacy behavior. |
| sp<SurfaceControl> control(getSurfaceControl(env, surfaceObj)); |
| if (control != NULL) { |
| SurfaceControl::writeSurfaceToParcel(control, parcel); |
| } else { |
| sp<Surface> surface(android_view_Surface_getSurface(env, surfaceObj)); |
| if (surface != NULL) { |
| Surface::writeToParcel(surface, parcel); |
| } else { |
| SurfaceControl::writeSurfaceToParcel(NULL, parcel); |
| } |
| } |
| } |
| |
| // ---------------------------------------------------------------------------- |
| |
| static JNINativeMethod gSurfaceMethods[] = { |
| {"nativeCreate", "(Landroid/view/SurfaceSession;Ljava/lang/String;IIII)V", |
| (void*)nativeCreate }, |
| {"nativeCreateFromSurfaceTexture", "(Landroid/graphics/SurfaceTexture;)V", |
| (void*)nativeCreateFromSurfaceTexture }, |
| {"nativeRelease", "()V", |
| (void*)nativeRelease }, |
| {"nativeDestroy", "()V", |
| (void*)nativeDestroy }, |
| {"nativeIsValid", "()Z", |
| (void*)nativeIsValid }, |
| {"nativeGetIdentity", "()I", |
| (void*)nativeGetIdentity }, |
| {"nativeIsConsumerRunningBehind", "()Z", |
| (void*)nativeIsConsumerRunningBehind }, |
| {"nativeLockCanvas", "(Landroid/graphics/Rect;)Landroid/graphics/Canvas;", |
| (void*)nativeLockCanvas }, |
| {"nativeUnlockCanvasAndPost", "(Landroid/graphics/Canvas;)V", |
| (void*)nativeUnlockCanvasAndPost }, |
| {"nativeScreenshot", "(Landroid/os/IBinder;IIIIZ)Landroid/graphics/Bitmap;", |
| (void*)nativeScreenshot }, |
| {"nativeOpenTransaction", "()V", |
| (void*)nativeOpenTransaction }, |
| {"nativeCloseTransaction", "()V", |
| (void*)nativeCloseTransaction }, |
| {"nativeSetAnimationTransaction", "()V", |
| (void*)nativeSetAnimationTransaction }, |
| {"nativeSetLayer", "(I)V", |
| (void*)nativeSetLayer }, |
| {"nativeSetPosition", "(FF)V", |
| (void*)nativeSetPosition }, |
| {"nativeSetSize", "(II)V", |
| (void*)nativeSetSize }, |
| {"nativeSetTransparentRegionHint", "(Landroid/graphics/Region;)V", |
| (void*)nativeSetTransparentRegionHint }, |
| {"nativeSetAlpha", "(F)V", |
| (void*)nativeSetAlpha }, |
| {"nativeSetMatrix", "(FFFF)V", |
| (void*)nativeSetMatrix }, |
| {"nativeSetFlags", "(II)V", |
| (void*)nativeSetFlags }, |
| {"nativeSetWindowCrop", "(Landroid/graphics/Rect;)V", |
| (void*)nativeSetWindowCrop }, |
| {"nativeSetLayerStack", "(I)V", |
| (void*)nativeSetLayerStack }, |
| {"nativeGetBuiltInDisplay", "(I)Landroid/os/IBinder;", |
| (void*)nativeGetBuiltInDisplay }, |
| {"nativeCreateDisplay", "(Ljava/lang/String;)Landroid/os/IBinder;", |
| (void*)nativeCreateDisplay }, |
| {"nativeSetDisplaySurface", "(Landroid/os/IBinder;Landroid/view/Surface;)V", |
| (void*)nativeSetDisplaySurface }, |
| {"nativeSetDisplayLayerStack", "(Landroid/os/IBinder;I)V", |
| (void*)nativeSetDisplayLayerStack }, |
| {"nativeSetDisplayProjection", "(Landroid/os/IBinder;ILandroid/graphics/Rect;Landroid/graphics/Rect;)V", |
| (void*)nativeSetDisplayProjection }, |
| {"nativeGetDisplayInfo", "(Landroid/os/IBinder;Landroid/view/Surface$PhysicalDisplayInfo;)Z", |
| (void*)nativeGetDisplayInfo }, |
| {"nativeBlankDisplay", "(Landroid/os/IBinder;)V", |
| (void*)nativeBlankDisplay }, |
| {"nativeUnblankDisplay", "(Landroid/os/IBinder;)V", |
| (void*)nativeUnblankDisplay }, |
| {"nativeCopyFrom", "(Landroid/view/Surface;)V", |
| (void*)nativeCopyFrom }, |
| {"nativeTransferFrom", "(Landroid/view/Surface;)V", |
| (void*)nativeTransferFrom }, |
| {"nativeReadFromParcel", "(Landroid/os/Parcel;)V", |
| (void*)nativeReadFromParcel }, |
| {"nativeWriteToParcel", "(Landroid/os/Parcel;)V", |
| (void*)nativeWriteToParcel }, |
| }; |
| |
| int register_android_view_Surface(JNIEnv* env) |
| { |
| int err = AndroidRuntime::registerNativeMethods(env, "android/view/Surface", |
| gSurfaceMethods, NELEM(gSurfaceMethods)); |
| |
| jclass clazz = env->FindClass("android/view/Surface"); |
| gSurfaceClassInfo.clazz = jclass(env->NewGlobalRef(clazz)); |
| gSurfaceClassInfo.mNativeSurface = |
| env->GetFieldID(gSurfaceClassInfo.clazz, ANDROID_VIEW_SURFACE_JNI_ID, "I"); |
| gSurfaceClassInfo.mNativeSurfaceControl = |
| env->GetFieldID(gSurfaceClassInfo.clazz, "mNativeSurfaceControl", "I"); |
| gSurfaceClassInfo.mGenerationId = |
| env->GetFieldID(gSurfaceClassInfo.clazz, "mGenerationId", "I"); |
| gSurfaceClassInfo.mCanvas = |
| env->GetFieldID(gSurfaceClassInfo.clazz, "mCanvas", "Landroid/graphics/Canvas;"); |
| gSurfaceClassInfo.mCanvasSaveCount = |
| env->GetFieldID(gSurfaceClassInfo.clazz, "mCanvasSaveCount", "I"); |
| gSurfaceClassInfo.ctor = env->GetMethodID(gSurfaceClassInfo.clazz, "<init>", "()V"); |
| |
| clazz = env->FindClass("android/graphics/Canvas"); |
| gCanvasClassInfo.mNativeCanvas = env->GetFieldID(clazz, "mNativeCanvas", "I"); |
| gCanvasClassInfo.mSurfaceFormat = env->GetFieldID(clazz, "mSurfaceFormat", "I"); |
| |
| clazz = env->FindClass("android/graphics/Rect"); |
| gRectClassInfo.left = env->GetFieldID(clazz, "left", "I"); |
| gRectClassInfo.top = env->GetFieldID(clazz, "top", "I"); |
| gRectClassInfo.right = env->GetFieldID(clazz, "right", "I"); |
| gRectClassInfo.bottom = env->GetFieldID(clazz, "bottom", "I"); |
| |
| clazz = env->FindClass("android/view/Surface$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"); |
| return err; |
| } |
| |
| }; |
