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fix crash with -gamma (nw)

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I think this is correct.. or at least more correct than it was, there's no way the existing code could work.
This commit is contained in:
David Haywood 2014-03-20 21:30:40 +00:00
parent 7c2f6824e1
commit 729e588ea1
1 changed files with 4 additions and 1 deletions
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5
src/emu/render.c
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@ -559,6 +559,8 @@ const rgb_t *render_texture::get_adjusted_palette(render_container &container)
// otherwise, ensure we have memory allocated and compute the adjusted result ourself
numentries = m_bitmap->palette()->num_colors() * m_bitmap->palette()->num_groups();
m_bcglookup.resize(numentries);
adjusted = m_bitmap->palette()->entry_list_adjusted();
for (int index = 0; index < numentries; index++)
{
UINT8 r = container.apply_brightness_contrast_gamma(adjusted[index].r());
@ -566,6 +568,7 @@ const rgb_t *render_texture::get_adjusted_palette(render_container &container)
UINT8 b = container.apply_brightness_contrast_gamma(adjusted[index].b());
m_bcglookup[index] = rgb_t(adjusted[index].a(), r, g, b);
}
return m_bcglookup;
case TEXFORMAT_RGB32:
@ -751,7 +754,7 @@ const rgb_t *render_container::bcg_lookup_table(int texformat, palette_t *palett
{
case TEXFORMAT_PALETTE16:
case TEXFORMAT_PALETTEA16:
return (palette != NULL && palette == &m_palclient->palette()) ? m_bcglookup : NULL;
return (m_palclient != NULL && palette != NULL && palette == &m_palclient->palette()) ? m_bcglookup : NULL;
case TEXFORMAT_RGB32:
case TEXFORMAT_ARGB32: