Layer.cpp revision ddc31c3e2bc6ffe66695c385d23e8ccc3c6dad06
15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)/* 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * Copyright (C) 2007 The Android Open Source Project 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * Licensed under the Apache License, Version 2.0 (the "License"); 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * you may not use this file except in compliance with the License. 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * You may obtain a copy of the License at 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * http://www.apache.org/licenses/LICENSE-2.0 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * Unless required by applicable law or agreed to in writing, software 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * distributed under the License is distributed on an "AS IS" BASIS, 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * See the License for the specific language governing permissions and 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) * limitations under the License. 152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) */ 162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 17868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#include <stdlib.h> 18868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#include <stdint.h> 19eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch#include <sys/types.h> 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 21116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch#include <cutils/compiler.h> 222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include <cutils/native_handle.h> 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <cutils/properties.h> 242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <utils/Errors.h> 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <utils/Log.h> 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <utils/StopWatch.h> 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include <ui/GraphicBuffer.h> 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <ui/PixelFormat.h> 312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <surfaceflinger/Surface.h> 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "clz.h" 35f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles)#include "DisplayHardware/DisplayHardware.h" 365f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)#include "DisplayHardware/HWComposer.h" 37116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch#include "GLExtensions.h" 38116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch#include "Layer.h" 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "SurfaceFlinger.h" 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "SurfaceTextureLayer.h" 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define DEBUG_RESIZE 0 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 44eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch 45eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdochnamespace android { 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)template <typename T> inline T min(T a, T b) { 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return a<b ? a : b; 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// --------------------------------------------------------------------------- 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 53116680a4aac90f2aa7413d9095a592090648e557Ben MurdochLayer::Layer(SurfaceFlinger* flinger, 54116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch DisplayID display, const sp<Client>& client) 557dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch : LayerBaseClient(flinger, display, client), 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mTextureName(-1U), 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mQueuedFrames(0), 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mCurrentTransform(0), 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mCurrentOpacity(true), 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mFormat(PIXEL_FORMAT_NONE), 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mGLExtensions(GLExtensions::getInstance()), 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mOpaqueLayer(true), 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mNeedsDithering(false), 64c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch mSecure(false), 65f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) mProtectedByApp(false), 66f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) mFixedSize(false) 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mCurrentCrop.makeInvalid(); 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) glGenTextures(1, &mTextureName); 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void Layer::destroy(RefBase const* base) { 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mFlinger->destroyLayer(static_cast<LayerBase const*>(base)); 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void Layer::onFirstRef() 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LayerBaseClient::onFirstRef(); 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) setDestroyer(this); 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) struct FrameQueuedListener : public SurfaceTexture::FrameAvailableListener { 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FrameQueuedListener(Layer* layer) : mLayer(layer) { } 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) wp<Layer> mLayer; 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void onFrameAvailable() { 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) sp<Layer> that(mLayer.promote()); 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (that != 0) { 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) that->onFrameQueued(); 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) }; 922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) mSurfaceTexture = new SurfaceTextureLayer(mTextureName, this); 932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) mSurfaceTexture->setFrameAvailableListener(new FrameQueuedListener(this)); 94cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) mSurfaceTexture->setSynchronousMode(true); 95cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) mSurfaceTexture->setBufferCountServer(2); 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Layer::~Layer() 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 1002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) glDeleteTextures(1, &mTextureName); 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void Layer::onFrameQueued() { 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (android_atomic_or(1, &mQueuedFrames) == 0) { 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mFlinger->signalEvent(); 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// called with SurfaceFlinger::mStateLock as soon as the layer is entered 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// in the purgatory list 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void Layer::onRemoved() 112f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles){ 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)sp<ISurface> Layer::createSurface() 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) class BSurface : public BnSurface, public LayerCleaner { 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) wp<const Layer> mOwner; 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual sp<ISurfaceTexture> getSurfaceTexture() const { 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) sp<ISurfaceTexture> res; 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) sp<const Layer> that( mOwner.promote() ); 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (that != NULL) { 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) res = that->mSurfaceTexture; 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return res; 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 1285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BSurface(const sp<SurfaceFlinger>& flinger, 1295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const sp<Layer>& layer) 1305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : LayerCleaner(flinger, layer), mOwner(layer) { } 1315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) }; 1325d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) sp<ISurface> sur(new BSurface(mFlinger, this)); 1335d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return sur; 1345d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 1355d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 1365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)status_t Layer::setBuffers( uint32_t w, uint32_t h, 1375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PixelFormat format, uint32_t flags) 1385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 1395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // this surfaces pixel format 1405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PixelFormatInfo info; 1415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) status_t err = getPixelFormatInfo(format, &info); 1425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (err) return err; 1435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the display's pixel format 1455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const DisplayHardware& hw(graphicPlane(0).displayHardware()); 1465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32_t const maxSurfaceDims = min( 1475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) hw.getMaxTextureSize(), hw.getMaxViewportDims()); 1485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // never allow a surface larger than what our underlying GL implementation 1505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // can handle. 1515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if ((uint32_t(w)>maxSurfaceDims) || (uint32_t(h)>maxSurfaceDims)) { 1522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return BAD_VALUE; 1532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 1542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) PixelFormatInfo displayInfo; 1562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) getPixelFormatInfo(hw.getFormat(), &displayInfo); 1572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const uint32_t hwFlags = hw.getFlags(); 1582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) mFormat = format; 1605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mSecure = (flags & ISurfaceComposer::eSecure) ? true : false; 1625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mProtectedByApp = (flags & ISurfaceComposer::eProtectedByApp) ? true : false; 1635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mOpaqueLayer = (flags & ISurfaceComposer::eOpaque); 1645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mCurrentOpacity = getOpacityForFormat(format); 1652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) mSurfaceTexture->setDefaultBufferSize(w, h); 1672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) mSurfaceTexture->setDefaultBufferFormat(format); 168a93a17c8d99d686bd4a1511e5504e5e6cc9fcadfTorne (Richard Coles) 169a93a17c8d99d686bd4a1511e5504e5e6cc9fcadfTorne (Richard Coles) // we use the red index 170a93a17c8d99d686bd4a1511e5504e5e6cc9fcadfTorne (Richard Coles) int displayRedSize = displayInfo.getSize(PixelFormatInfo::INDEX_RED); 171a93a17c8d99d686bd4a1511e5504e5e6cc9fcadfTorne (Richard Coles) int layerRedsize = info.getSize(PixelFormatInfo::INDEX_RED); 172a93a17c8d99d686bd4a1511e5504e5e6cc9fcadfTorne (Richard Coles) mNeedsDithering = layerRedsize > displayRedSize; 173a93a17c8d99d686bd4a1511e5504e5e6cc9fcadfTorne (Richard Coles) 1742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return NO_ERROR; 1752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void Layer::setGeometry(hwc_layer_t* hwcl) 1782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles){ 1792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) hwcl->compositionType = HWC_FRAMEBUFFER; 1802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) hwcl->hints = 0; 1812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) hwcl->flags = 0; 1822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) hwcl->transform = 0; 1835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) hwcl->blending = HWC_BLENDING_NONE; 1845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // we can't do alpha-fade with the hwc HAL 1865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const State& s(drawingState()); 1875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (s.alpha < 0xFF) { 1885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) hwcl->flags = HWC_SKIP_LAYER; 1895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 190a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch } 1915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // we can only handle simple transformation 193a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch if (mOrientation & Transform::ROT_INVALID) { 1942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) hwcl->flags = HWC_SKIP_LAYER; 1952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 1962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 1972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // FIXME: shouldn't we take the state's transform into account here? 1992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) Transform tr(Transform(mOrientation) * Transform(mCurrentTransform)); 201a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch hwcl->transform = tr.getOrientation(); 2022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!isOpaque()) { 2042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) hwcl->blending = mPremultipliedAlpha ? 2052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) HWC_BLENDING_PREMULT : HWC_BLENDING_COVERAGE; 2065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) hwcl->displayFrame.left = mTransformedBounds.left; 2092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) hwcl->displayFrame.top = mTransformedBounds.top; 2102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) hwcl->displayFrame.right = mTransformedBounds.right; 2112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) hwcl->displayFrame.bottom = mTransformedBounds.bottom; 2122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 213f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) hwcl->visibleRegionScreen.rects = 214f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) reinterpret_cast<hwc_rect_t const *>( 2152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) visibleRegionScreen.getArray( 216f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) &hwcl->visibleRegionScreen.numRects)); 2172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 2182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void Layer::setPerFrameData(hwc_layer_t* hwcl) { 2202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const sp<GraphicBuffer>& buffer(mActiveBuffer); 2215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (buffer == NULL) { 2225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // this can happen if the client never drew into this layer yet, 2235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // or if we ran out of memory. In that case, don't let 2245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // HWC handle it. 2255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) hwcl->flags |= HWC_SKIP_LAYER; 2265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) hwcl->handle = NULL; 2275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 228f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) } 229f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) hwcl->handle = buffer->handle; 230f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 231f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) if (isCropped()) { 23290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) hwcl->sourceCrop.left = mCurrentCrop.left; 2335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) hwcl->sourceCrop.top = mCurrentCrop.top; 2345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) hwcl->sourceCrop.right = mCurrentCrop.right; 2355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) hwcl->sourceCrop.bottom = mCurrentCrop.bottom; 2365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 2375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) hwcl->sourceCrop.left = 0; 2385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) hwcl->sourceCrop.top = 0; 2395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) hwcl->sourceCrop.right = buffer->width; 2405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) hwcl->sourceCrop.bottom = buffer->height; 2415c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu } 2425c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu} 2435c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 244116680a4aac90f2aa7413d9095a592090648e557Ben Murdochstatic inline uint16_t pack565(int r, int g, int b) { 245116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch return (r<<11)|(g<<5)|b; 2465c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu} 2475c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liuvoid Layer::onDraw(const Region& clip) const 2485c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu{ 2495c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu if (CC_UNLIKELY(mActiveBuffer == 0)) { 2505c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu // the texture has not been created yet, this Layer has 2515c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu // in fact never been drawn into. This happens frequently with 2525c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu // SurfaceView because the WindowManager can't know when the client 2535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // has drawn the first time. 254f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 2555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If there is nothing under us, we paint the screen in black, otherwise 2565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // we just skip this update. 2575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2580529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch // figure out if there is something below us 2595c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu Region under; 2605c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu const SurfaceFlinger::LayerVector& drawingLayers(mFlinger->mDrawingState.layersSortedByZ); 261ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch const size_t count = drawingLayers.size(); 2625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (size_t i=0 ; i<count ; ++i) { 263ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch const sp<LayerBase>& layer(drawingLayers[i]); 264ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch if (layer.get() == static_cast<LayerBase const*>(this)) 265ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch break; 266ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch under.orSelf(layer->visibleRegionScreen); 267ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch } 268ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch // if not everything below us is covered, we plug the holes! 269ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch Region holes(clip.subtract(under)); 270ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch if (!holes.isEmpty()) { 271a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) clearWithOpenGL(holes, 0, 0, 0, 1); 272a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) } 2735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 274116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch } 275116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch 276116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch GLenum target = mSurfaceTexture->getCurrentTextureTarget(); 2775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) glBindTexture(target, mTextureName); 2785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (getFiltering() || needsFiltering() || isFixedSize() || isCropped()) { 2795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // TODO: we could be more subtle with isFixedSize() 2805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) glTexParameterx(target, GL_TEXTURE_MAG_FILTER, GL_LINEAR); 281f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) glTexParameterx(target, GL_TEXTURE_MIN_FILTER, GL_LINEAR); 2825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 2835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) glTexParameterx(target, GL_TEXTURE_MAG_FILTER, GL_NEAREST); 2845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) glTexParameterx(target, GL_TEXTURE_MIN_FILTER, GL_NEAREST); 2855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) glEnable(target); 2875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) glMatrixMode(GL_TEXTURE); 2885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) glLoadMatrixf(mTextureMatrix); 2895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) glMatrixMode(GL_MODELVIEW); 2905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) drawWithOpenGL(clip); 2925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) glDisable(target); 2945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// As documented in libhardware header, formats in the range 2975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 0x100 - 0x1FF are specific to the HAL implementation, and 2985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// are known to have no alpha channel 2995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// TODO: move definition for device-specific range into 3005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// hardware.h, instead of using hard-coded values here. 301#define HARDWARE_IS_DEVICE_FORMAT(f) ((f) >= 0x100 && (f) <= 0x1FF) 302 303bool Layer::getOpacityForFormat(uint32_t format) 304{ 305 if (HARDWARE_IS_DEVICE_FORMAT(format)) { 306 return true; 307 } 308 PixelFormatInfo info; 309 status_t err = getPixelFormatInfo(PixelFormat(format), &info); 310 // in case of error (unknown format), we assume no blending 311 return (err || info.h_alpha <= info.l_alpha); 312} 313 314 315bool Layer::isOpaque() const 316{ 317 // if we don't have a buffer yet, we're translucent regardless of the 318 // layer's opaque flag. 319 if (mActiveBuffer == 0) 320 return false; 321 322 // if the layer has the opaque flag, then we're always opaque, 323 // otherwise we use the current buffer's format. 324 return mOpaqueLayer || mCurrentOpacity; 325} 326 327bool Layer::isProtected() const 328{ 329 const sp<GraphicBuffer>& activeBuffer(mActiveBuffer); 330 return (activeBuffer != 0) && 331 (activeBuffer->getUsage() & GRALLOC_USAGE_PROTECTED); 332} 333 334uint32_t Layer::doTransaction(uint32_t flags) 335{ 336 const Layer::State& front(drawingState()); 337 const Layer::State& temp(currentState()); 338 339 const bool sizeChanged = (front.requested_w != temp.requested_w) || 340 (front.requested_h != temp.requested_h); 341 342 if (sizeChanged) { 343 // the size changed, we need to ask our client to request a new buffer 344 LOGD_IF(DEBUG_RESIZE, 345 "resize (layer=%p), requested (%dx%d), drawing (%d,%d), " 346 "fixedSize=%d", 347 this, 348 int(temp.requested_w), int(temp.requested_h), 349 int(front.requested_w), int(front.requested_h), 350 isFixedSize()); 351 352 if (!isFixedSize()) { 353 // we're being resized and there is a freeze display request, 354 // acquire a freeze lock, so that the screen stays put 355 // until we've redrawn at the new size; this is to avoid 356 // glitches upon orientation changes. 357 if (mFlinger->hasFreezeRequest()) { 358 // if the surface is hidden, don't try to acquire the 359 // freeze lock, since hidden surfaces may never redraw 360 if (!(front.flags & ISurfaceComposer::eLayerHidden)) { 361 mFreezeLock = mFlinger->getFreezeLock(); 362 } 363 } 364 365 // this will make sure LayerBase::doTransaction doesn't update 366 // the drawing state's size 367 Layer::State& editDraw(mDrawingState); 368 editDraw.requested_w = temp.requested_w; 369 editDraw.requested_h = temp.requested_h; 370 371 // record the new size, form this point on, when the client request 372 // a buffer, it'll get the new size. 373 mSurfaceTexture->setDefaultBufferSize(temp.requested_w, temp.requested_h); 374 } 375 } 376 377 if (temp.sequence != front.sequence) { 378 if (temp.flags & ISurfaceComposer::eLayerHidden || temp.alpha == 0) { 379 // this surface is now hidden, so it shouldn't hold a freeze lock 380 // (it may never redraw, which is fine if it is hidden) 381 mFreezeLock.clear(); 382 } 383 } 384 385 return LayerBase::doTransaction(flags); 386} 387 388bool Layer::isFixedSize() const { 389 Mutex::Autolock _l(mLock); 390 return mFixedSize; 391} 392 393void Layer::setFixedSize(bool fixedSize) 394{ 395 Mutex::Autolock _l(mLock); 396 mFixedSize = fixedSize; 397} 398 399bool Layer::isCropped() const { 400 return !mCurrentCrop.isEmpty(); 401} 402 403// ---------------------------------------------------------------------------- 404// pageflip handling... 405// ---------------------------------------------------------------------------- 406 407void Layer::lockPageFlip(bool& recomputeVisibleRegions) 408{ 409 if (android_atomic_and(0, &mQueuedFrames)) { 410 if (mSurfaceTexture->updateTexImage() < NO_ERROR) { 411 // something happened! 412 recomputeVisibleRegions = true; 413 return; 414 } 415 416 // signal another event if we have more frames waiting 417 if (mSurfaceTexture->getQueuedCount()) { 418 if (android_atomic_or(1, &mQueuedFrames) == 0) { 419 mFlinger->signalEvent(); 420 } 421 } 422 423 mActiveBuffer = mSurfaceTexture->getCurrentBuffer(); 424 mSurfaceTexture->getTransformMatrix(mTextureMatrix); 425 426 const Rect crop(mSurfaceTexture->getCurrentCrop()); 427 const uint32_t transform(mSurfaceTexture->getCurrentTransform()); 428 if ((crop != mCurrentCrop) || (transform != mCurrentTransform)) { 429 mCurrentCrop = crop; 430 mCurrentTransform = transform; 431 mFlinger->invalidateHwcGeometry(); 432 } 433 434 const bool opacity(getOpacityForFormat(mActiveBuffer->format)); 435 if (opacity != mCurrentOpacity) { 436 mCurrentOpacity = opacity; 437 recomputeVisibleRegions = true; 438 } 439 440 const GLenum target(mSurfaceTexture->getCurrentTextureTarget()); 441 glTexParameterx(target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); 442 glTexParameterx(target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); 443 444 // update the layer size and release freeze-lock 445 const Layer::State& front(drawingState()); 446 447 // FIXME: mPostedDirtyRegion = dirty & bounds 448 mPostedDirtyRegion.set(front.w, front.h); 449 450 sp<GraphicBuffer> newFrontBuffer(mActiveBuffer); 451 if ((newFrontBuffer->getWidth() == front.requested_w && 452 newFrontBuffer->getHeight() == front.requested_h) || 453 isFixedSize()) 454 { 455 if ((front.w != front.requested_w) || 456 (front.h != front.requested_h)) 457 { 458 // Here we pretend the transaction happened by updating the 459 // current and drawing states. Drawing state is only accessed 460 // in this thread, no need to have it locked 461 Layer::State& editDraw(mDrawingState); 462 editDraw.w = editDraw.requested_w; 463 editDraw.h = editDraw.requested_h; 464 465 // We also need to update the current state so that we don't 466 // end-up doing too much work during the next transaction. 467 // NOTE: We actually don't need hold the transaction lock here 468 // because State::w and State::h are only accessed from 469 // this thread 470 Layer::State& editTemp(currentState()); 471 editTemp.w = editDraw.w; 472 editTemp.h = editDraw.h; 473 474 // recompute visible region 475 recomputeVisibleRegions = true; 476 } 477 478 // we now have the correct size, unfreeze the screen 479 mFreezeLock.clear(); 480 } 481 } 482} 483 484void Layer::unlockPageFlip( 485 const Transform& planeTransform, Region& outDirtyRegion) 486{ 487 Region dirtyRegion(mPostedDirtyRegion); 488 if (!dirtyRegion.isEmpty()) { 489 mPostedDirtyRegion.clear(); 490 // The dirty region is given in the layer's coordinate space 491 // transform the dirty region by the surface's transformation 492 // and the global transformation. 493 const Layer::State& s(drawingState()); 494 const Transform tr(planeTransform * s.transform); 495 dirtyRegion = tr.transform(dirtyRegion); 496 497 // At this point, the dirty region is in screen space. 498 // Make sure it's constrained by the visible region (which 499 // is in screen space as well). 500 dirtyRegion.andSelf(visibleRegionScreen); 501 outDirtyRegion.orSelf(dirtyRegion); 502 } 503 if (visibleRegionScreen.isEmpty()) { 504 // an invisible layer should not hold a freeze-lock 505 // (because it may never be updated and therefore never release it) 506 mFreezeLock.clear(); 507 } 508} 509 510void Layer::dump(String8& result, char* buffer, size_t SIZE) const 511{ 512 LayerBaseClient::dump(result, buffer, SIZE); 513 514 sp<const GraphicBuffer> buf0(mActiveBuffer); 515 uint32_t w0=0, h0=0, s0=0, f0=0; 516 if (buf0 != 0) { 517 w0 = buf0->getWidth(); 518 h0 = buf0->getHeight(); 519 s0 = buf0->getStride(); 520 f0 = buf0->format; 521 } 522 snprintf(buffer, SIZE, 523 " " 524 "format=%2d, activeBuffer=[%3ux%3u:%3u,%3u]," 525 " freezeLock=%p, queued-frames=%d\n", 526 mFormat, w0, h0, s0,f0, 527 getFreezeLock().get(), mQueuedFrames); 528 529 result.append(buffer); 530 531 if (mSurfaceTexture != 0) { 532 mSurfaceTexture->dump(result, " ", buffer, SIZE); 533 } 534} 535 536uint32_t Layer::getEffectiveUsage(uint32_t usage) const 537{ 538 // TODO: should we do something special if mSecure is set? 539 if (mProtectedByApp) { 540 // need a hardware-protected path to external video sink 541 usage |= GraphicBuffer::USAGE_PROTECTED; 542 } 543 return usage; 544} 545 546// --------------------------------------------------------------------------- 547 548 549}; // namespace android 550