| /* |
| * Copyright 2011, The Android Open Source Project |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #define LOG_TAG "GaneshRenderer" |
| #define LOG_NDEBUG 1 |
| |
| #include "config.h" |
| #include "GaneshRenderer.h" |
| |
| #if USE(ACCELERATED_COMPOSITING) |
| |
| #include "AndroidLog.h" |
| #include "GaneshContext.h" |
| #include "SkCanvas.h" |
| #include "SkGpuDevice.h" |
| #include "TilesManager.h" |
| #include "TransferQueue.h" |
| |
| namespace WebCore { |
| |
| GaneshRenderer::GaneshRenderer() : BaseRenderer(BaseRenderer::Ganesh) |
| { |
| #ifdef DEBUG_COUNT |
| ClassTracker::instance()->increment("GaneshRenderer"); |
| #endif |
| } |
| |
| GaneshRenderer::~GaneshRenderer() |
| { |
| #ifdef DEBUG_COUNT |
| ClassTracker::instance()->decrement("GaneshRenderer"); |
| #endif |
| } |
| |
| void GaneshRenderer::setupCanvas(const TileRenderInfo& renderInfo, SkCanvas* canvas) |
| { |
| GaneshContext* ganesh = GaneshContext::instance(); |
| |
| TransferQueue* tileQueue = TilesManager::instance()->transferQueue(); |
| |
| tileQueue->lockQueue(); |
| |
| bool ready = tileQueue->readyForUpdate(); |
| if (!ready) { |
| ALOGV("!ready"); |
| tileQueue->unlockQueue(); |
| return; |
| } |
| |
| SkDevice* device = NULL; |
| if (renderInfo.tileSize.width() == TilesManager::tileWidth() |
| && renderInfo.tileSize.height() == TilesManager::tileHeight()) { |
| device = ganesh->getDeviceForTile(renderInfo); |
| } else { |
| // TODO support arbitrary sizes for layers |
| ALOGV("ERROR: expected (%d,%d) actual (%d,%d)", |
| TilesManager::tileWidth(), TilesManager::tileHeight(), |
| renderInfo.tileSize.width(), renderInfo.tileSize.height()); |
| } |
| |
| // set the GPU device to the canvas |
| canvas->setDevice(device); |
| } |
| |
| void GaneshRenderer::renderingComplete(const TileRenderInfo& renderInfo, SkCanvas* canvas) |
| { |
| ALOGV("rendered to tile (%d,%d)", renderInfo.x, renderInfo.y); |
| |
| GaneshContext::instance()->flush(); |
| |
| // In SurfaceTextureMode we must call swapBuffers to unlock and post the |
| // tile's ANativeWindow (i.e. Surface) buffer |
| TransferQueue* tileQueue = TilesManager::instance()->transferQueue(); |
| eglSwapBuffers(eglGetCurrentDisplay(), tileQueue->m_eglSurface); |
| SkBitmap dummyBitmap; |
| tileQueue->addItemInTransferQueue(&renderInfo, GpuUpload, dummyBitmap); |
| tileQueue->unlockQueue(); |
| } |
| |
| } // namespace WebCore |
| |
| #endif // USE(ACCELERATED_COMPOSITING) |