diff options
Diffstat (limited to 'engines/sci/graphics/palette32.cpp')
| -rw-r--r-- | engines/sci/graphics/palette32.cpp | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/engines/sci/graphics/palette32.cpp b/engines/sci/graphics/palette32.cpp index 3a321bf0b1..a43ac27e2e 100644 --- a/engines/sci/graphics/palette32.cpp +++ b/engines/sci/graphics/palette32.cpp @@ -259,7 +259,7 @@ void GfxPalette32::updateHardware() { byte bpal[3 * 256]; - for (int i = 0; i < ARRAYSIZE(_currentPalette.colors); ++i) { + for (int i = 0; i < ARRAYSIZE(_currentPalette.colors) - 1; ++i) { _currentPalette.colors[i] = _nextPalette.colors[i]; // NOTE: If the brightness option in the user configuration file is set, @@ -267,12 +267,22 @@ void GfxPalette32::updateHardware() { // in some hard-coded brightness tables. There is no reason on modern hardware // to implement this, unless it is discovered that some game uses a non-standard // brightness setting by default - if (_currentPalette.colors[i].used) { - bpal[i * 3 ] = _currentPalette.colors[i].r; - bpal[i * 3 + 1] = _currentPalette.colors[i].g; - bpal[i * 3 + 2] = _currentPalette.colors[i].b; - } - } + + // All color entries MUST be copied, not just "used" entries, otherwise + // uninitialised memory from bpal makes its way into the system palette. + // This would not normally be a problem, except that games sometimes use + // unused palette entries. e.g. Phant1 title screen references palette + // entries outside its own palette, so will render garbage colors where + // the game expects them to be black + bpal[i * 3 ] = _currentPalette.colors[i].r; + bpal[i * 3 + 1] = _currentPalette.colors[i].g; + bpal[i * 3 + 2] = _currentPalette.colors[i].b; + } + + // The last color must always be white + bpal[255 * 3 ] = 255; + bpal[255 * 3 + 1] = 255; + bpal[255 * 3 + 2] = 255; g_system->getPaletteManager()->setPalette(bpal, 0, 256); g_sci->getEventManager()->updateScreen(); |