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Fix indirect colors to actually work.

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This commit is contained in:
Aaron Giles 2014-02-27 17:34:52 +00:00
parent 70da062597
commit 7c18697a80
1 changed files with 25 additions and 35 deletions
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60
src/emu/emupal.c
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@ -1,40 +1,11 @@
// license:BSD-3-Clause
// copyright-holders:Aaron Giles
/***************************************************************************
emupal.c
Palette device.
****************************************************************************
Copyright Aaron Giles
All rights reserved.
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 'MAME' 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 AARON GILES ''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 AARON GILES 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 "emu.h"
@ -110,8 +81,21 @@ void palette_device::static_enable_hilights(device_t &device)
void palette_device::set_indirect_color(int index, rgb_t rgb)
{
// ensure the array is expanded enough to handle the index, then set it
m_indirect_colors.resize(index + 1);
m_indirect_colors[index] = rgb;
m_indirect_colors.resize_keep(((index + 1 + 255) / 256) * 256);
// alpha doesn't matter
rgb.set_a(0);
// update if it has changed
if (m_indirect_colors[index] != rgb)
{
m_indirect_colors[index] = rgb;
// update the palette for any colortable entries that reference it
for (UINT32 pen = 0; pen < m_indirect_entry.count(); pen++)
if (m_indirect_entry[pen] == index)
m_palette->entry_set_color(pen, rgb);
}
}
@ -121,9 +105,15 @@ void palette_device::set_indirect_color(int index, rgb_t rgb)
void palette_device::set_pen_indirect(pen_t pen, UINT16 index)
{
assert(index < m_indirect_colors.count());
// ensure the array is expanded enough to handle the index, then set it
m_indirect_entry.resize(index + 1);
m_indirect_entry[index] = index;
m_indirect_entry.resize_keep(((pen + 1 + 255) / 256) * 256);
if (m_indirect_entry[pen] != index)
{
m_indirect_entry[pen] = index;
m_palette->entry_set_color(pen, m_indirect_colors[index]);
}
}