diff options
author | Brad Beckmann <Brad.Beckmann@amd.com> | 2011-02-22 11:16:40 -0800 |
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committer | Brad Beckmann <Brad.Beckmann@amd.com> | 2011-02-22 11:16:40 -0800 |
commit | 63a25a56ccc93c24703fec87f830c833974e7060 (patch) | |
tree | a0f12244a32eb7da2963ca974ab49a993aee2cfc /src/base/vnc/convert.hh | |
parent | 8ea71c3907a411de9c203b45bfd6eab24e3ad849 (diff) | |
parent | 77eed184f529c4ccbef59ad2018d18ff3fbb54af (diff) | |
download | gem5-63a25a56ccc93c24703fec87f830c833974e7060.tar.xz |
m5: merged in hammer fix
Diffstat (limited to 'src/base/vnc/convert.hh')
-rw-r--r-- | src/base/vnc/convert.hh | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/src/base/vnc/convert.hh b/src/base/vnc/convert.hh new file mode 100644 index 000000000..68a21d677 --- /dev/null +++ b/src/base/vnc/convert.hh @@ -0,0 +1,141 @@ +/* + * Copyright (c) 2011 ARM Limited + * All rights reserved + * + * The license below extends only to copyright in the software and shall + * not be construed as granting a license to any other intellectual + * property including but not limited to intellectual property relating + * to a hardware implementation of the functionality of the software + * licensed hereunder. You may use the software subject to the license + * terms below provided that you ensure that this notice is replicated + * unmodified and in its entirety in all distributions of the software, + * modified or unmodified, in source code or in binary form. + * + * 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 the copyright holders 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. + * + * Authors: Ali Saidi + */ + +/** @file + * This file provides conversion functions for a variety of video modes + */ + +#ifndef __BASE_VNC_CONVERT_HH__ +#define __BASE_VNC_CONVERT_HH__ + +#include "base/bitunion.hh" + +class VideoConvert +{ + public: + enum Mode { + UnknownMode, + bgr565, + rgb565, + bgr8888, + rgb8888, + rgb888, + bgr888, + bgr444, + bgr4444, + rgb444, + rgb4444, + }; + + // supports bpp32 RGB (bmp) and bpp16 5:6:5 mode BGR (linux) + BitUnion32(Rgb8888) + Bitfield<7,0> blue; + Bitfield<15,8> green; + Bitfield<23,16> red; + Bitfield<31,24> alpha; + EndBitUnion(Rgb8888) + + BitUnion32(Bgr8888) + Bitfield<7,0> red; + Bitfield<15,8> green; + Bitfield<23,16> blue; + Bitfield<31,24> alpha; + EndBitUnion(Bgr8888) + + BitUnion16(Bgr565) + Bitfield<4,0> red; + Bitfield<10,5> green; + Bitfield<15,11> blue; + EndBitUnion(Bgr565) + + BitUnion16(Rgb565) + Bitfield<4,0> red; + Bitfield<10,5> green; + Bitfield<15,11> blue; + EndBitUnion(Rgb565) + + /** Setup the converter with the given parameters + * @param input_mode type of data that will be provided + * @param output_mode type of data that should be output + * @param _width width of the frame buffer + * @param _height height of the frame buffer + */ + VideoConvert(Mode input_mode, Mode output_mode, int _width, int _height); + + /** Destructor + */ + ~VideoConvert(); + + /** Convert the provided frame buffer data into the format specified in the + * constructor. + * @param fb the frame buffer to convert + * @return the converted data (user must free) + */ + uint8_t* convert(uint8_t *fb); + + /** Return the number of pixels that this buffer specifies + * @return number of pixels + */ + int area() { return width * height; } + + private: + + /** + * Convert a bgr8888 input to rgb8888. + * @param fb the data to convert + * @return converted data + */ + uint8_t* bgr8888rgb8888(uint8_t *fb); + + /** + * Convert a bgr565 or rgb565 input to rgb8888. + * @param fb the data to convert + * @param bgr true if the input data is bgr565 + * @return converted data + */ + uint8_t* m565rgb8888(uint8_t *fb, bool bgr); + + Mode inputMode; + Mode outputMode; + int width; + int height; +}; + +#endif // __BASE_VNC_CONVERT_HH__ + |