d60d32ff26
Change-Id: I73020efd522489ee152af890ab5e03449bc0a900 Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/25415 Maintainer: Gabe Black <gabeblack@google.com> Tested-by: kokoro <noreply+kokoro@google.com> Reviewed-by: Daniel Carvalho <odanrc@yahoo.com.br>
128 lines
3.5 KiB
C++
128 lines
3.5 KiB
C++
/*
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* Copyright (c) 2015 ARM Limited
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* All rights reserved
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*
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* The license below extends only to copyright in the software and shall
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* not be construed as granting a license to any other intellectual
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* property including but not limited to intellectual property relating
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* to a hardware implementation of the functionality of the software
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* licensed hereunder. You may use the software subject to the license
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* terms below provided that you ensure that this notice is replicated
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* unmodified and in its entirety in all distributions of the software,
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* modified or unmodified, in source code or in binary form.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "base/framebuffer.hh"
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#include <zlib.h>
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#include "base/bitfield.hh"
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const FrameBuffer FrameBuffer::dummy(320, 240);
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FrameBuffer::FrameBuffer(unsigned width, unsigned height)
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: pixels(width * height),
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_width(width), _height(height)
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{
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clear();
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}
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FrameBuffer::FrameBuffer()
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: _width(0), _height(0)
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{
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}
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FrameBuffer::~FrameBuffer()
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{
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}
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void
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FrameBuffer::serialize(CheckpointOut &cp) const
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{
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SERIALIZE_SCALAR(_width);
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SERIALIZE_SCALAR(_height);
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SERIALIZE_CONTAINER(pixels);
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}
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void
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FrameBuffer::unserialize(CheckpointIn &cp)
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{
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UNSERIALIZE_SCALAR(_width);
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UNSERIALIZE_SCALAR(_height);
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UNSERIALIZE_CONTAINER(pixels);
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}
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void
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FrameBuffer::resize(unsigned width, unsigned height)
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{
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_width = width;
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_height = height;
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pixels.resize(width * height);
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}
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void
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FrameBuffer::fill(const Pixel &pixel)
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{
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for (auto &p : pixels)
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p = pixel;
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}
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void
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FrameBuffer::clear()
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{
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static const Pixel black(0, 0, 0);
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fill(black);
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}
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void
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FrameBuffer::copyIn(const uint8_t *fb, const PixelConverter &conv)
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{
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for (auto &p : pixels) {
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p = conv.toPixel(fb);
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fb += conv.length;
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}
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}
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void
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FrameBuffer::copyOut(uint8_t *fb, const PixelConverter &conv) const
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{
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for (auto &p : pixels) {
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conv.fromPixel(fb, p);
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fb += conv.length;
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}
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}
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uint64_t
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FrameBuffer::getHash() const
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{
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return adler32(0UL,
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reinterpret_cast<const Bytef *>(pixels.data()),
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area() * sizeof(Pixel));
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}
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