/* * Copyright (c) 2010, Google Inc. All rights reserved. * Copyright (c) 2012, Collabora Ltd. * * 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. * * Neither the name of Google Inc. nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "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. */ #include "config.h" #if ENABLE(ACCELERATED_2D_CANVAS) || ENABLE(WEBGL) #include "DrawingBuffer.h" #include "Extensions3D.h" namespace WebCore { DrawingBuffer::DrawingBuffer(GraphicsContext3D* context, const IntSize& size, bool multisampleExtensionSupported, bool packedDepthStencilExtensionSupported, PreserveDrawingBuffer preserveDrawingBuffer, AlphaRequirement alpha) : m_preserveDrawingBuffer(preserveDrawingBuffer) , m_alpha(alpha) , m_frontColorBuffer(0) , m_separateFrontTexture(false) { } DrawingBuffer::~DrawingBuffer() { } #if USE(ACCELERATED_COMPOSITING) void DrawingBuffer::prepareBackBuffer() { } bool DrawingBuffer::requiresCopyFromBackToFrontBuffer() const { return false; } unsigned DrawingBuffer::frontColorBuffer() const { return colorBuffer(); } void DrawingBuffer::paintCompositedResultsToCanvas(CanvasRenderingContext* context) { } #endif } #endif