| /* |
| * 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 ATRACE_TAG ATRACE_TAG_GRAPHICS |
| |
| #include <stdlib.h> |
| #include <stdint.h> |
| #include <sys/types.h> |
| #include <math.h> |
| |
| #include <cutils/compiler.h> |
| #include <cutils/native_handle.h> |
| #include <cutils/properties.h> |
| |
| #include <utils/Errors.h> |
| #include <utils/Log.h> |
| #include <utils/StopWatch.h> |
| #include <utils/Trace.h> |
| |
| #include <ui/GraphicBuffer.h> |
| #include <ui/PixelFormat.h> |
| |
| #include <gui/Surface.h> |
| |
| #include "clz.h" |
| #include "DisplayHardware.h" |
| #include "GLExtensions.h" |
| #include "Layer.h" |
| #include "SurfaceFlinger.h" |
| #include "SurfaceTextureLayer.h" |
| |
| #include "DisplayHardware/HWComposer.h" |
| |
| #define DEBUG_RESIZE 0 |
| |
| namespace android { |
| |
| // --------------------------------------------------------------------------- |
| |
| Layer::Layer(SurfaceFlinger* flinger, |
| DisplayID display, const sp<Client>& client) |
| : LayerBaseClient(flinger, display, client), |
| mTextureName(-1U), |
| mQueuedFrames(0), |
| mCurrentTransform(0), |
| mCurrentScalingMode(NATIVE_WINDOW_SCALING_MODE_FREEZE), |
| mCurrentOpacity(true), |
| mRefreshPending(false), |
| mFrameLatencyNeeded(false), |
| mNeedHwcFence(false), |
| mFrameLatencyOffset(0), |
| mFormat(PIXEL_FORMAT_NONE), |
| mGLExtensions(GLExtensions::getInstance()), |
| mOpaqueLayer(true), |
| mSecure(false), |
| mProtectedByApp(false) |
| { |
| mCurrentCrop.makeInvalid(); |
| glGenTextures(1, &mTextureName); |
| } |
| |
| void Layer::onLayerDisplayed(HWComposer::HWCLayerInterface* layer) { |
| if (layer) { |
| mSurfaceTexture->setReleaseFence(layer->getAndResetReleaseFenceFd()); |
| } |
| |
| if (mFrameLatencyNeeded) { |
| // we need a DisplayHardware for debugging only right now |
| // XXX: should this be called per DisplayHardware? |
| const DisplayHardware& hw(mFlinger->getDefaultDisplayHardware()); |
| mFrameStats[mFrameLatencyOffset].timestamp = mSurfaceTexture->getTimestamp(); |
| mFrameStats[mFrameLatencyOffset].set = systemTime(); |
| mFrameStats[mFrameLatencyOffset].vsync = hw.getRefreshTimestamp(); |
| mFrameLatencyOffset = (mFrameLatencyOffset + 1) % 128; |
| mFrameLatencyNeeded = false; |
| } |
| } |
| |
| void Layer::onFirstRef() |
| { |
| LayerBaseClient::onFirstRef(); |
| |
| struct FrameQueuedListener : public SurfaceTexture::FrameAvailableListener { |
| FrameQueuedListener(Layer* layer) : mLayer(layer) { } |
| private: |
| wp<Layer> mLayer; |
| virtual void onFrameAvailable() { |
| sp<Layer> that(mLayer.promote()); |
| if (that != 0) { |
| that->onFrameQueued(); |
| } |
| } |
| }; |
| |
| // Creates a custom BufferQueue for SurfaceTexture to use |
| sp<BufferQueue> bq = new SurfaceTextureLayer(); |
| mSurfaceTexture = new SurfaceTexture(mTextureName, true, |
| GL_TEXTURE_EXTERNAL_OES, false, bq); |
| |
| mSurfaceTexture->setConsumerUsageBits(getEffectiveUsage(0)); |
| mSurfaceTexture->setFrameAvailableListener(new FrameQueuedListener(this)); |
| mSurfaceTexture->setSynchronousMode(true); |
| |
| #ifdef TARGET_DISABLE_TRIPLE_BUFFERING |
| #warning "disabling triple buffering" |
| mSurfaceTexture->setBufferCountServer(2); |
| #else |
| mSurfaceTexture->setBufferCountServer(3); |
| #endif |
| } |
| |
| Layer::~Layer() |
| { |
| mFlinger->postMessageAsync( |
| new SurfaceFlinger::MessageDestroyGLTexture(mTextureName) ); |
| } |
| |
| void Layer::onFrameQueued() { |
| android_atomic_inc(&mQueuedFrames); |
| mFlinger->signalLayerUpdate(); |
| } |
| |
| // called with SurfaceFlinger::mStateLock as soon as the layer is entered |
| // in the purgatory list |
| void Layer::onRemoved() |
| { |
| mSurfaceTexture->abandon(); |
| } |
| |
| void Layer::setName(const String8& name) { |
| LayerBase::setName(name); |
| mSurfaceTexture->setName(name); |
| } |
| |
| void Layer::validateVisibility(const Transform& globalTransform, const DisplayHardware& hw) { |
| LayerBase::validateVisibility(globalTransform, hw); |
| |
| // This optimization allows the SurfaceTexture to bake in |
| // the rotation so hardware overlays can be used |
| mSurfaceTexture->setTransformHint(getTransformHint()); |
| } |
| |
| sp<ISurface> Layer::createSurface() |
| { |
| class BSurface : public BnSurface, public LayerCleaner { |
| wp<const Layer> mOwner; |
| virtual sp<ISurfaceTexture> getSurfaceTexture() const { |
| sp<ISurfaceTexture> res; |
| sp<const Layer> that( mOwner.promote() ); |
| if (that != NULL) { |
| res = that->mSurfaceTexture->getBufferQueue(); |
| } |
| return res; |
| } |
| public: |
| BSurface(const sp<SurfaceFlinger>& flinger, |
| const sp<Layer>& layer) |
| : LayerCleaner(flinger, layer), mOwner(layer) { } |
| }; |
| sp<ISurface> sur(new BSurface(mFlinger, this)); |
| return sur; |
| } |
| |
| wp<IBinder> Layer::getSurfaceTextureBinder() const |
| { |
| return mSurfaceTexture->getBufferQueue()->asBinder(); |
| } |
| |
| status_t Layer::setBuffers( uint32_t w, uint32_t h, |
| PixelFormat format, uint32_t flags) |
| { |
| // this surfaces pixel format |
| PixelFormatInfo info; |
| status_t err = getPixelFormatInfo(format, &info); |
| if (err) { |
| ALOGE("unsupported pixelformat %d", format); |
| return err; |
| } |
| |
| // the display's pixel format |
| // XXX: we shouldn't rely on the DisplayHardware to do this |
| const DisplayHardware& hw(mFlinger->getDefaultDisplayHardware()); |
| uint32_t const maxSurfaceDims = min( |
| hw.getMaxTextureSize(), hw.getMaxViewportDims()); |
| |
| // never allow a surface larger than what our underlying GL implementation |
| // can handle. |
| if ((uint32_t(w)>maxSurfaceDims) || (uint32_t(h)>maxSurfaceDims)) { |
| ALOGE("dimensions too large %u x %u", uint32_t(w), uint32_t(h)); |
| return BAD_VALUE; |
| } |
| |
| mFormat = format; |
| |
| mSecure = (flags & ISurfaceComposer::eSecure) ? true : false; |
| mProtectedByApp = (flags & ISurfaceComposer::eProtectedByApp) ? true : false; |
| mOpaqueLayer = (flags & ISurfaceComposer::eOpaque); |
| mCurrentOpacity = getOpacityForFormat(format); |
| |
| mSurfaceTexture->setDefaultBufferSize(w, h); |
| mSurfaceTexture->setDefaultBufferFormat(format); |
| mSurfaceTexture->setConsumerUsageBits(getEffectiveUsage(0)); |
| |
| return NO_ERROR; |
| } |
| |
| Rect Layer::computeBufferCrop() const { |
| // Start with the SurfaceTexture's buffer crop... |
| Rect crop; |
| if (!mCurrentCrop.isEmpty()) { |
| crop = mCurrentCrop; |
| } else if (mActiveBuffer != NULL){ |
| crop = Rect(mActiveBuffer->getWidth(), mActiveBuffer->getHeight()); |
| } else { |
| crop = Rect(mTransformedBounds.width(), mTransformedBounds.height()); |
| } |
| |
| // ... then reduce that in the same proportions as the window crop reduces |
| // the window size. |
| const State& s(drawingState()); |
| if (!s.active.crop.isEmpty()) { |
| // Transform the window crop to match the buffer coordinate system, |
| // which means using the inverse of the current transform set on the |
| // SurfaceTexture. |
| uint32_t invTransform = mCurrentTransform; |
| int winWidth = s.active.w; |
| int winHeight = s.active.h; |
| if (invTransform & NATIVE_WINDOW_TRANSFORM_ROT_90) { |
| invTransform ^= NATIVE_WINDOW_TRANSFORM_FLIP_V | |
| NATIVE_WINDOW_TRANSFORM_FLIP_H; |
| winWidth = s.active.h; |
| winHeight = s.active.w; |
| } |
| Rect winCrop = s.active.crop.transform(invTransform, |
| s.active.w, s.active.h); |
| |
| float xScale = float(crop.width()) / float(winWidth); |
| float yScale = float(crop.height()) / float(winHeight); |
| crop.left += int(ceilf(float(winCrop.left) * xScale)); |
| crop.top += int(ceilf(float(winCrop.top) * yScale)); |
| crop.right -= int(ceilf(float(winWidth - winCrop.right) * xScale)); |
| crop.bottom -= int(ceilf(float(winHeight - winCrop.bottom) * yScale)); |
| } |
| |
| return crop; |
| } |
| |
| void Layer::setGeometry(HWComposer::HWCLayerInterface& layer) |
| { |
| LayerBaseClient::setGeometry(layer); |
| |
| // enable this layer |
| layer.setSkip(false); |
| |
| // we can't do alpha-fade with the hwc HAL |
| const State& s(drawingState()); |
| if (s.alpha < 0xFF) { |
| layer.setSkip(true); |
| } |
| |
| /* |
| * Transformations are applied in this order: |
| * 1) buffer orientation/flip/mirror |
| * 2) state transformation (window manager) |
| * 3) layer orientation (screen orientation) |
| * mTransform is already the composition of (2) and (3) |
| * (NOTE: the matrices are multiplied in reverse order) |
| */ |
| |
| const Transform bufferOrientation(mCurrentTransform); |
| const Transform tr(mTransform * bufferOrientation); |
| |
| // this gives us only the "orientation" component of the transform |
| const uint32_t finalTransform = tr.getOrientation(); |
| |
| // we can only handle simple transformation |
| if (finalTransform & Transform::ROT_INVALID) { |
| layer.setSkip(true); |
| } else { |
| layer.setTransform(finalTransform); |
| } |
| layer.setCrop(computeBufferCrop()); |
| } |
| |
| void Layer::setPerFrameData(HWComposer::HWCLayerInterface& layer) { |
| const sp<GraphicBuffer>& buffer(mActiveBuffer); |
| // NOTE: buffer can be NULL if the client never drew into this |
| // layer yet, or if we ran out of memory |
| layer.setBuffer(buffer); |
| } |
| |
| void Layer::setAcquireFence(HWComposer::HWCLayerInterface& layer) { |
| int fenceFd = -1; |
| if (mNeedHwcFence) { |
| sp<Fence> fence = mSurfaceTexture->getCurrentFence(); |
| if (fence.get()) { |
| fenceFd = fence->dup(); |
| if (fenceFd == -1) { |
| ALOGW("failed to dup layer fence, skipping sync: %d", errno); |
| } |
| } |
| mNeedHwcFence = false; |
| } |
| layer.setAcquireFenceFd(fenceFd); |
| } |
| |
| void Layer::onDraw(const DisplayHardware& hw, const Region& clip) const |
| { |
| ATRACE_CALL(); |
| |
| if (CC_UNLIKELY(mActiveBuffer == 0)) { |
| // the texture has not been created yet, this Layer has |
| // in fact never been drawn into. This happens frequently with |
| // SurfaceView because the WindowManager can't know when the client |
| // has drawn the first time. |
| |
| // If there is nothing under us, we paint the screen in black, otherwise |
| // we just skip this update. |
| |
| // figure out if there is something below us |
| Region under; |
| const SurfaceFlinger::LayerVector& drawingLayers( |
| mFlinger->mDrawingState.layersSortedByZ); |
| const size_t count = drawingLayers.size(); |
| for (size_t i=0 ; i<count ; ++i) { |
| const sp<LayerBase>& layer(drawingLayers[i]); |
| if (layer.get() == static_cast<LayerBase const*>(this)) |
| break; |
| under.orSelf(layer->visibleRegionScreen); |
| } |
| // if not everything below us is covered, we plug the holes! |
| Region holes(clip.subtract(under)); |
| if (!holes.isEmpty()) { |
| clearWithOpenGL(hw, holes, 0, 0, 0, 1); |
| } |
| return; |
| } |
| |
| // TODO: replace this with a server-side wait |
| sp<Fence> fence = mSurfaceTexture->getCurrentFence(); |
| if (fence.get()) { |
| status_t err = fence->wait(Fence::TIMEOUT_NEVER); |
| ALOGW_IF(err != OK, "Layer::onDraw: failed waiting for fence: %d", err); |
| // Go ahead and draw the buffer anyway; no matter what we do the screen |
| // is probably going to have something visibly wrong. |
| } |
| |
| if (!isProtected()) { |
| // TODO: we could be more subtle with isFixedSize() |
| const bool useFiltering = getFiltering() || needsFiltering() || isFixedSize(); |
| |
| // Query the texture matrix given our current filtering mode. |
| float textureMatrix[16]; |
| mSurfaceTexture->setFilteringEnabled(useFiltering); |
| mSurfaceTexture->getTransformMatrix(textureMatrix); |
| |
| // Set things up for texturing. |
| glBindTexture(GL_TEXTURE_EXTERNAL_OES, mTextureName); |
| GLenum filter = GL_NEAREST; |
| if (useFiltering) { |
| filter = GL_LINEAR; |
| } |
| glTexParameterx(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_MAG_FILTER, filter); |
| glTexParameterx(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_MIN_FILTER, filter); |
| glMatrixMode(GL_TEXTURE); |
| glLoadMatrixf(textureMatrix); |
| glMatrixMode(GL_MODELVIEW); |
| glDisable(GL_TEXTURE_2D); |
| glEnable(GL_TEXTURE_EXTERNAL_OES); |
| } else { |
| glBindTexture(GL_TEXTURE_2D, mFlinger->getProtectedTexName()); |
| glMatrixMode(GL_TEXTURE); |
| glLoadIdentity(); |
| glMatrixMode(GL_MODELVIEW); |
| glDisable(GL_TEXTURE_EXTERNAL_OES); |
| glEnable(GL_TEXTURE_2D); |
| } |
| |
| drawWithOpenGL(hw, clip); |
| |
| glDisable(GL_TEXTURE_EXTERNAL_OES); |
| glDisable(GL_TEXTURE_2D); |
| } |
| |
| // As documented in libhardware header, formats in the range |
| // 0x100 - 0x1FF are specific to the HAL implementation, and |
| // are known to have no alpha channel |
| // TODO: move definition for device-specific range into |
| // hardware.h, instead of using hard-coded values here. |
| #define HARDWARE_IS_DEVICE_FORMAT(f) ((f) >= 0x100 && (f) <= 0x1FF) |
| |
| bool Layer::getOpacityForFormat(uint32_t format) |
| { |
| if (HARDWARE_IS_DEVICE_FORMAT(format)) { |
| return true; |
| } |
| PixelFormatInfo info; |
| status_t err = getPixelFormatInfo(PixelFormat(format), &info); |
| // in case of error (unknown format), we assume no blending |
| return (err || info.h_alpha <= info.l_alpha); |
| } |
| |
| |
| bool Layer::isOpaque() const |
| { |
| // if we don't have a buffer yet, we're translucent regardless of the |
| // layer's opaque flag. |
| if (mActiveBuffer == 0) { |
| return false; |
| } |
| |
| // if the layer has the opaque flag, then we're always opaque, |
| // otherwise we use the current buffer's format. |
| return mOpaqueLayer || mCurrentOpacity; |
| } |
| |
| bool Layer::isProtected() const |
| { |
| const sp<GraphicBuffer>& activeBuffer(mActiveBuffer); |
| return (activeBuffer != 0) && |
| (activeBuffer->getUsage() & GRALLOC_USAGE_PROTECTED); |
| } |
| |
| uint32_t Layer::doTransaction(uint32_t flags) |
| { |
| ATRACE_CALL(); |
| |
| const Layer::State& front(drawingState()); |
| const Layer::State& temp(currentState()); |
| |
| const bool sizeChanged = (temp.requested.w != front.requested.w) || |
| (temp.requested.h != front.requested.h); |
| |
| if (sizeChanged) { |
| // the size changed, we need to ask our client to request a new buffer |
| ALOGD_IF(DEBUG_RESIZE, |
| "doTransaction: geometry (layer=%p), scalingMode=%d\n" |
| " current={ active ={ wh={%4u,%4u} crop={%4d,%4d,%4d,%4d} (%4d,%4d) }\n" |
| " requested={ wh={%4u,%4u} crop={%4d,%4d,%4d,%4d} (%4d,%4d) }}\n" |
| " drawing={ active ={ wh={%4u,%4u} crop={%4d,%4d,%4d,%4d} (%4d,%4d) }\n" |
| " requested={ wh={%4u,%4u} crop={%4d,%4d,%4d,%4d} (%4d,%4d) }}\n", |
| this, mCurrentScalingMode, |
| temp.active.w, temp.active.h, |
| temp.active.crop.left, |
| temp.active.crop.top, |
| temp.active.crop.right, |
| temp.active.crop.bottom, |
| temp.active.crop.getWidth(), |
| temp.active.crop.getHeight(), |
| temp.requested.w, temp.requested.h, |
| temp.requested.crop.left, |
| temp.requested.crop.top, |
| temp.requested.crop.right, |
| temp.requested.crop.bottom, |
| temp.requested.crop.getWidth(), |
| temp.requested.crop.getHeight(), |
| front.active.w, front.active.h, |
| front.active.crop.left, |
| front.active.crop.top, |
| front.active.crop.right, |
| front.active.crop.bottom, |
| front.active.crop.getWidth(), |
| front.active.crop.getHeight(), |
| front.requested.w, front.requested.h, |
| front.requested.crop.left, |
| front.requested.crop.top, |
| front.requested.crop.right, |
| front.requested.crop.bottom, |
| front.requested.crop.getWidth(), |
| front.requested.crop.getHeight()); |
| |
| // record the new size, form this point on, when the client request |
| // a buffer, it'll get the new size. |
| mSurfaceTexture->setDefaultBufferSize( |
| temp.requested.w, temp.requested.h); |
| } |
| |
| if (!isFixedSize()) { |
| |
| const bool resizePending = (temp.requested.w != temp.active.w) || |
| (temp.requested.h != temp.active.h); |
| |
| if (resizePending) { |
| // don't let LayerBase::doTransaction update the drawing state |
| // if we have a pending resize, unless we are in fixed-size mode. |
| // the drawing state will be updated only once we receive a buffer |
| // with the correct size. |
| // |
| // in particular, we want to make sure the clip (which is part |
| // of the geometry state) is latched together with the size but is |
| // latched immediately when no resizing is involved. |
| |
| flags |= eDontUpdateGeometryState; |
| } |
| } |
| |
| return LayerBase::doTransaction(flags); |
| } |
| |
| bool Layer::isFixedSize() const { |
| return mCurrentScalingMode != NATIVE_WINDOW_SCALING_MODE_FREEZE; |
| } |
| |
| bool Layer::isCropped() const { |
| return !mCurrentCrop.isEmpty(); |
| } |
| |
| // ---------------------------------------------------------------------------- |
| // pageflip handling... |
| // ---------------------------------------------------------------------------- |
| |
| bool Layer::onPreComposition() { |
| mRefreshPending = false; |
| return mQueuedFrames > 0; |
| } |
| |
| void Layer::lockPageFlip(bool& recomputeVisibleRegions) |
| { |
| ATRACE_CALL(); |
| |
| if (mQueuedFrames > 0) { |
| |
| // if we've already called updateTexImage() without going through |
| // a composition step, we have to skip this layer at this point |
| // because we cannot call updateTeximage() without a corresponding |
| // compositionComplete() call. |
| // we'll trigger an update in onPreComposition(). |
| if (mRefreshPending) { |
| mPostedDirtyRegion.clear(); |
| return; |
| } |
| |
| // Capture the old state of the layer for comparisons later |
| const bool oldOpacity = isOpaque(); |
| sp<GraphicBuffer> oldActiveBuffer = mActiveBuffer; |
| |
| // signal another event if we have more frames pending |
| if (android_atomic_dec(&mQueuedFrames) > 1) { |
| mFlinger->signalLayerUpdate(); |
| } |
| |
| struct Reject : public SurfaceTexture::BufferRejecter { |
| Layer::State& front; |
| Layer::State& current; |
| bool& recomputeVisibleRegions; |
| Reject(Layer::State& front, Layer::State& current, |
| bool& recomputeVisibleRegions) |
| : front(front), current(current), |
| recomputeVisibleRegions(recomputeVisibleRegions) { |
| } |
| |
| virtual bool reject(const sp<GraphicBuffer>& buf, |
| const BufferQueue::BufferItem& item) { |
| if (buf == NULL) { |
| return false; |
| } |
| |
| uint32_t bufWidth = buf->getWidth(); |
| uint32_t bufHeight = buf->getHeight(); |
| |
| // check that we received a buffer of the right size |
| // (Take the buffer's orientation into account) |
| if (item.mTransform & Transform::ROT_90) { |
| swap(bufWidth, bufHeight); |
| } |
| |
| |
| bool isFixedSize = item.mScalingMode != NATIVE_WINDOW_SCALING_MODE_FREEZE; |
| if (front.active != front.requested) { |
| |
| if (isFixedSize || |
| (bufWidth == front.requested.w && |
| bufHeight == front.requested.h)) |
| { |
| // Here we pretend the transaction happened by updating the |
| // current and drawing states. Drawing state is only accessed |
| // in this thread, no need to have it locked |
| front.active = front.requested; |
| |
| // We also need to update the current state so that |
| // we don't end-up overwriting the drawing state with |
| // this stale current state during the next transaction |
| // |
| // NOTE: We don't need to hold the transaction lock here |
| // because State::active is only accessed from this thread. |
| current.active = front.active; |
| |
| // recompute visible region |
| recomputeVisibleRegions = true; |
| } |
| |
| ALOGD_IF(DEBUG_RESIZE, |
| "lockPageFlip: (layer=%p), buffer (%ux%u, tr=%02x), scalingMode=%d\n" |
| " drawing={ active ={ wh={%4u,%4u} crop={%4d,%4d,%4d,%4d} (%4d,%4d) }\n" |
| " requested={ wh={%4u,%4u} crop={%4d,%4d,%4d,%4d} (%4d,%4d) }}\n", |
| this, bufWidth, bufHeight, item.mTransform, item.mScalingMode, |
| front.active.w, front.active.h, |
| front.active.crop.left, |
| front.active.crop.top, |
| front.active.crop.right, |
| front.active.crop.bottom, |
| front.active.crop.getWidth(), |
| front.active.crop.getHeight(), |
| front.requested.w, front.requested.h, |
| front.requested.crop.left, |
| front.requested.crop.top, |
| front.requested.crop.right, |
| front.requested.crop.bottom, |
| front.requested.crop.getWidth(), |
| front.requested.crop.getHeight()); |
| } |
| |
| if (!isFixedSize) { |
| if (front.active.w != bufWidth || |
| front.active.h != bufHeight) { |
| // reject this buffer |
| return true; |
| } |
| } |
| return false; |
| } |
| }; |
| |
| |
| Reject r(mDrawingState, currentState(), recomputeVisibleRegions); |
| |
| if (mSurfaceTexture->updateTexImage(&r) < NO_ERROR) { |
| // something happened! |
| recomputeVisibleRegions = true; |
| return; |
| } |
| |
| // update the active buffer |
| mActiveBuffer = mSurfaceTexture->getCurrentBuffer(); |
| if (mActiveBuffer == NULL) { |
| // this can only happen if the very first buffer was rejected. |
| return; |
| } |
| |
| mRefreshPending = true; |
| mFrameLatencyNeeded = true; |
| mNeedHwcFence = true; |
| if (oldActiveBuffer == NULL) { |
| // the first time we receive a buffer, we need to trigger a |
| // geometry invalidation. |
| mFlinger->invalidateHwcGeometry(); |
| } |
| |
| Rect crop(mSurfaceTexture->getCurrentCrop()); |
| const uint32_t transform(mSurfaceTexture->getCurrentTransform()); |
| const uint32_t scalingMode(mSurfaceTexture->getCurrentScalingMode()); |
| if ((crop != mCurrentCrop) || |
| (transform != mCurrentTransform) || |
| (scalingMode != mCurrentScalingMode)) |
| { |
| mCurrentCrop = crop; |
| mCurrentTransform = transform; |
| mCurrentScalingMode = scalingMode; |
| mFlinger->invalidateHwcGeometry(); |
| } |
| |
| if (oldActiveBuffer != NULL) { |
| uint32_t bufWidth = mActiveBuffer->getWidth(); |
| uint32_t bufHeight = mActiveBuffer->getHeight(); |
| if (bufWidth != uint32_t(oldActiveBuffer->width) || |
| bufHeight != uint32_t(oldActiveBuffer->height)) { |
| mFlinger->invalidateHwcGeometry(); |
| } |
| } |
| |
| mCurrentOpacity = getOpacityForFormat(mActiveBuffer->format); |
| if (oldOpacity != isOpaque()) { |
| recomputeVisibleRegions = true; |
| } |
| |
| // FIXME: mPostedDirtyRegion = dirty & bounds |
| const Layer::State& front(drawingState()); |
| mPostedDirtyRegion.set(front.active.w, front.active.h); |
| |
| glTexParameterx(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); |
| glTexParameterx(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); |
| } |
| } |
| |
| void Layer::unlockPageFlip( |
| const Transform& planeTransform, Region& outDirtyRegion) |
| { |
| ATRACE_CALL(); |
| |
| Region postedRegion(mPostedDirtyRegion); |
| if (!postedRegion.isEmpty()) { |
| mPostedDirtyRegion.clear(); |
| if (!visibleRegionScreen.isEmpty()) { |
| // The dirty region is given in the layer's coordinate space |
| // transform the dirty region by the surface's transformation |
| // and the global transformation. |
| const Layer::State& s(drawingState()); |
| const Transform tr(planeTransform * s.transform); |
| postedRegion = tr.transform(postedRegion); |
| |
| // At this point, the dirty region is in screen space. |
| // Make sure it's constrained by the visible region (which |
| // is in screen space as well). |
| postedRegion.andSelf(visibleRegionScreen); |
| outDirtyRegion.orSelf(postedRegion); |
| } |
| } |
| } |
| |
| void Layer::dump(String8& result, char* buffer, size_t SIZE) const |
| { |
| LayerBaseClient::dump(result, buffer, SIZE); |
| |
| sp<const GraphicBuffer> buf0(mActiveBuffer); |
| uint32_t w0=0, h0=0, s0=0, f0=0; |
| if (buf0 != 0) { |
| w0 = buf0->getWidth(); |
| h0 = buf0->getHeight(); |
| s0 = buf0->getStride(); |
| f0 = buf0->format; |
| } |
| snprintf(buffer, SIZE, |
| " " |
| "format=%2d, activeBuffer=[%4ux%4u:%4u,%3X]," |
| " transform-hint=0x%02x, queued-frames=%d, mRefreshPending=%d\n", |
| mFormat, w0, h0, s0,f0, |
| getTransformHint(), mQueuedFrames, mRefreshPending); |
| |
| result.append(buffer); |
| |
| if (mSurfaceTexture != 0) { |
| mSurfaceTexture->dump(result, " ", buffer, SIZE); |
| } |
| } |
| |
| void Layer::dumpStats(String8& result, char* buffer, size_t SIZE) const |
| { |
| LayerBaseClient::dumpStats(result, buffer, SIZE); |
| const size_t o = mFrameLatencyOffset; |
| const DisplayHardware& hw(mFlinger->getDefaultDisplayHardware()); |
| const nsecs_t period = hw.getRefreshPeriod(); |
| result.appendFormat("%lld\n", period); |
| for (size_t i=0 ; i<128 ; i++) { |
| const size_t index = (o+i) % 128; |
| const nsecs_t time_app = mFrameStats[index].timestamp; |
| const nsecs_t time_set = mFrameStats[index].set; |
| const nsecs_t time_vsync = mFrameStats[index].vsync; |
| result.appendFormat("%lld\t%lld\t%lld\n", |
| time_app, |
| time_vsync, |
| time_set); |
| } |
| result.append("\n"); |
| } |
| |
| void Layer::clearStats() |
| { |
| LayerBaseClient::clearStats(); |
| memset(mFrameStats, 0, sizeof(mFrameStats)); |
| } |
| |
| uint32_t Layer::getEffectiveUsage(uint32_t usage) const |
| { |
| // TODO: should we do something special if mSecure is set? |
| if (mProtectedByApp) { |
| // need a hardware-protected path to external video sink |
| usage |= GraphicBuffer::USAGE_PROTECTED; |
| } |
| usage |= GraphicBuffer::USAGE_HW_COMPOSER; |
| return usage; |
| } |
| |
| uint32_t Layer::getTransformHint() const { |
| uint32_t orientation = 0; |
| if (!mFlinger->mDebugDisableTransformHint) { |
| orientation = getPlaneOrientation(); |
| if (orientation & Transform::ROT_INVALID) { |
| orientation = 0; |
| } |
| } |
| return orientation; |
| } |
| |
| // --------------------------------------------------------------------------- |
| |
| |
| }; // namespace android |