1/* 2 * Copyright 2011, The Android Open Source Project 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * * Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * * Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#define LOG_TAG "GaneshRenderer" 27#define LOG_NDEBUG 1 28 29#include "config.h" 30#include "GaneshRenderer.h" 31 32#if USE(ACCELERATED_COMPOSITING) 33 34#include "AndroidLog.h" 35#include "GaneshContext.h" 36#include "SkCanvas.h" 37#include "SkGpuDevice.h" 38#include "TilesManager.h" 39#include "TransferQueue.h" 40 41namespace WebCore { 42 43GaneshRenderer::GaneshRenderer() : BaseRenderer(BaseRenderer::Ganesh) 44{ 45#ifdef DEBUG_COUNT 46 ClassTracker::instance()->increment("GaneshRenderer"); 47#endif 48} 49 50GaneshRenderer::~GaneshRenderer() 51{ 52#ifdef DEBUG_COUNT 53 ClassTracker::instance()->decrement("GaneshRenderer"); 54#endif 55} 56 57void GaneshRenderer::setupCanvas(const TileRenderInfo& renderInfo, SkCanvas* canvas) 58{ 59 GaneshContext* ganesh = GaneshContext::instance(); 60 61 TransferQueue* tileQueue = TilesManager::instance()->transferQueue(); 62 63 tileQueue->lockQueue(); 64 65 bool ready = tileQueue->readyForUpdate(); 66 if (!ready) { 67 ALOGV("!ready"); 68 tileQueue->unlockQueue(); 69 return; 70 } 71 72 SkDevice* device = NULL; 73 if (renderInfo.tileSize.width() == TilesManager::tileWidth() 74 && renderInfo.tileSize.height() == TilesManager::tileHeight()) { 75 device = ganesh->getDeviceForTile(renderInfo); 76 } else { 77 // TODO support arbitrary sizes for layers 78 ALOGV("ERROR: expected (%d,%d) actual (%d,%d)", 79 TilesManager::tileWidth(), TilesManager::tileHeight(), 80 renderInfo.tileSize.width(), renderInfo.tileSize.height()); 81 } 82 83 // set the GPU device to the canvas 84 canvas->setDevice(device); 85} 86 87void GaneshRenderer::renderingComplete(const TileRenderInfo& renderInfo, SkCanvas* canvas) 88{ 89 ALOGV("rendered to tile (%d,%d)", renderInfo.x, renderInfo.y); 90 91 GaneshContext::instance()->flush(); 92 93 // In SurfaceTextureMode we must call swapBuffers to unlock and post the 94 // tile's ANativeWindow (i.e. SurfaceTexture) buffer 95 TransferQueue* tileQueue = TilesManager::instance()->transferQueue(); 96 eglSwapBuffers(eglGetCurrentDisplay(), tileQueue->m_eglSurface); 97 SkBitmap dummyBitmap; 98 tileQueue->addItemInTransferQueue(&renderInfo, GpuUpload, dummyBitmap); 99 tileQueue->unlockQueue(); 100} 101 102} // namespace WebCore 103 104#endif // USE(ACCELERATED_COMPOSITING) 105