| /* |
| * 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) || USE(3D_GRAPHICS) |
| |
| #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(ImageBuffer*) |
| { |
| } |
| #endif |
| |
| } |
| |
| #endif |
