| /* |
| * Copyright (C) 2010, 2011, 2012 Research In Motion Limited. All rights reserved. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include "config.h" |
| #include "CanvasLayerWebKitThread.h" |
| |
| #if USE(ACCELERATED_COMPOSITING) && ENABLE(ACCELERATED_2D_CANVAS) |
| |
| #include "SharedGraphicsContext3D.h" |
| #include <GLES2/gl2.h> |
| #include <SkGpuDevice.h> |
| |
| namespace WebCore { |
| |
| CanvasLayerWebKitThread::CanvasLayerWebKitThread(SkGpuDevice* device) |
| : EGLImageLayerWebKitThread(CanvasLayer) |
| { |
| setDevice(device); |
| } |
| |
| CanvasLayerWebKitThread::~CanvasLayerWebKitThread() |
| { |
| if (SharedGraphicsContext3D::get()->makeContextCurrent()) |
| deleteFrontBuffer(); |
| } |
| |
| void CanvasLayerWebKitThread::setDevice(SkGpuDevice* device) |
| { |
| m_device = device; |
| setNeedsDisplay(); |
| } |
| |
| void CanvasLayerWebKitThread::updateTextureContentsIfNeeded() |
| { |
| if (!m_device) |
| return; |
| |
| if (!SharedGraphicsContext3D::get()->makeContextCurrent()) |
| return; |
| |
| GrRenderTarget* renderTarget = reinterpret_cast<GrRenderTarget*>(m_device->accessRenderTarget()); |
| if (!renderTarget) |
| return; |
| |
| GrTexture* texture = renderTarget->asTexture(); |
| if (!texture) |
| return; |
| |
| updateFrontBuffer(IntSize(m_device->width(), m_device->height()), texture->getTextureHandle()); |
| } |
| |
| void CanvasLayerWebKitThread::deleteTextures() |
| { |
| if (SharedGraphicsContext3D::get()->makeContextCurrent()) |
| deleteFrontBuffer(); |
| } |
| |
| } |
| |
| #endif // USE(ACCELERATED_COMPOSITING) && ENABLE(ACCELERATED_2D_CANVAS) |