framebuffer.cc revision 12366:3b4b6fa339a9
12623SN/A/* 211147Smitch.hayenga@arm.com * Copyright (c) 2015 ARM Limited 38926Sandreas.hansson@arm.com * All rights reserved 48926Sandreas.hansson@arm.com * 58926Sandreas.hansson@arm.com * The license below extends only to copyright in the software and shall 68926Sandreas.hansson@arm.com * not be construed as granting a license to any other intellectual 78926Sandreas.hansson@arm.com * property including but not limited to intellectual property relating 88926Sandreas.hansson@arm.com * to a hardware implementation of the functionality of the software 98926Sandreas.hansson@arm.com * licensed hereunder. You may use the software subject to the license 108926Sandreas.hansson@arm.com * terms below provided that you ensure that this notice is replicated 118926Sandreas.hansson@arm.com * unmodified and in its entirety in all distributions of the software, 128926Sandreas.hansson@arm.com * modified or unmodified, in source code or in binary form. 138926Sandreas.hansson@arm.com * 142623SN/A * Redistribution and use in source and binary forms, with or without 152623SN/A * modification, are permitted provided that the following conditions are 162623SN/A * met: redistributions of source code must retain the above copyright 172623SN/A * notice, this list of conditions and the following disclaimer; 182623SN/A * redistributions in binary form must reproduce the above copyright 192623SN/A * notice, this list of conditions and the following disclaimer in the 202623SN/A * documentation and/or other materials provided with the distribution; 212623SN/A * neither the name of the copyright holders nor the names of its 222623SN/A * contributors may be used to endorse or promote products derived from 232623SN/A * this software without specific prior written permission. 242623SN/A * 252623SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 262623SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 272623SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 282623SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 292623SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 302623SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 312623SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 322623SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 332623SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 342623SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 352623SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 362623SN/A * 372623SN/A * Authors: Andreas Sandberg 382623SN/A */ 392665Ssaidi@eecs.umich.edu 402665Ssaidi@eecs.umich.edu#include "base/framebuffer.hh" 412623SN/A 422623SN/A#include <zlib.h> 432623SN/A 442623SN/A#include "base/bitfield.hh" 452623SN/A 462623SN/Aconst FrameBuffer FrameBuffer::dummy(320, 240); 4711147Smitch.hayenga@arm.com 485529Snate@binkert.orgFrameBuffer::FrameBuffer(unsigned width, unsigned height) 4910381Sdam.sunwoo@arm.com : pixels(width * height), 509647Sdam.sunwoo@arm.com _width(width), _height(height) 512623SN/A{ 522623SN/A clear(); 532623SN/A} 542623SN/A 555529Snate@binkert.orgFrameBuffer::FrameBuffer() 562623SN/A : _width(0), _height(0) 572623SN/A{ 582623SN/A} 592623SN/A 602623SN/AFrameBuffer::~FrameBuffer() 612623SN/A{ 622623SN/A} 632623SN/A 642623SN/A 652623SN/Avoid 662623SN/AFrameBuffer::serialize(CheckpointOut &cp) const 672623SN/A{ 685336Shines@cs.fsu.edu SERIALIZE_SCALAR(_width); 692623SN/A SERIALIZE_SCALAR(_height); 702623SN/A SERIALIZE_CONTAINER(pixels); 712623SN/A} 722623SN/A 732623SN/Avoid 746078Sgblack@eecs.umich.eduFrameBuffer::unserialize(CheckpointIn &cp) 755487Snate@binkert.org{ 765487Snate@binkert.org UNSERIALIZE_SCALAR(_width); 772623SN/A UNSERIALIZE_SCALAR(_height); 782623SN/A UNSERIALIZE_CONTAINER(pixels); 792623SN/A} 802623SN/A 818707Sandreas.hansson@arm.comvoid 829443SAndreas.Sandberg@ARM.comFrameBuffer::resize(unsigned width, unsigned height) 839443SAndreas.Sandberg@ARM.com{ 849443SAndreas.Sandberg@ARM.com _width = width; 859443SAndreas.Sandberg@ARM.com _height = height; 869443SAndreas.Sandberg@ARM.com 879443SAndreas.Sandberg@ARM.com pixels.resize(width * height); 889443SAndreas.Sandberg@ARM.com} 899443SAndreas.Sandberg@ARM.com 909443SAndreas.Sandberg@ARM.comvoid 919443SAndreas.Sandberg@ARM.comFrameBuffer::fill(const Pixel &pixel) 929443SAndreas.Sandberg@ARM.com{ 939443SAndreas.Sandberg@ARM.com for (auto &p : pixels) 949443SAndreas.Sandberg@ARM.com p = pixel; 959443SAndreas.Sandberg@ARM.com} 969443SAndreas.Sandberg@ARM.com 979443SAndreas.Sandberg@ARM.comvoid 989443SAndreas.Sandberg@ARM.comFrameBuffer::clear() 999443SAndreas.Sandberg@ARM.com{ 10011147Smitch.hayenga@arm.com static const Pixel black(0, 0, 0); 10111147Smitch.hayenga@arm.com 10211147Smitch.hayenga@arm.com fill(black); 1039443SAndreas.Sandberg@ARM.com} 10411147Smitch.hayenga@arm.com 1059443SAndreas.Sandberg@ARM.comvoid 1069443SAndreas.Sandberg@ARM.comFrameBuffer::copyIn(const uint8_t *fb, const PixelConverter &conv) 1079443SAndreas.Sandberg@ARM.com{ 1089443SAndreas.Sandberg@ARM.com for (auto &p : pixels) { 1099443SAndreas.Sandberg@ARM.com p = conv.toPixel(fb); 1109443SAndreas.Sandberg@ARM.com fb += conv.length; 1119443SAndreas.Sandberg@ARM.com } 1129443SAndreas.Sandberg@ARM.com} 1139443SAndreas.Sandberg@ARM.com 1149443SAndreas.Sandberg@ARM.comvoid 1158707Sandreas.hansson@arm.comFrameBuffer::copyOut(uint8_t *fb, const PixelConverter &conv) const 1169608Sandreas.hansson@arm.com{ 1179608Sandreas.hansson@arm.com for (auto &p : pixels) { 1189608Sandreas.hansson@arm.com conv.fromPixel(fb, p); 1198707Sandreas.hansson@arm.com fb += conv.length; 1209608Sandreas.hansson@arm.com } 1212623SN/A} 1228707Sandreas.hansson@arm.com 1232623SN/Auint64_t 1242623SN/AFrameBuffer::getHash() const 12510030SAli.Saidi@ARM.com{ 1269608Sandreas.hansson@arm.com return adler32(0UL, 1272623SN/A reinterpret_cast<const Bytef *>(pixels.data()), 1282623SN/A area() * sizeof(Pixel)); 1292623SN/A} 13010030SAli.Saidi@ARM.com