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(svn r10216) -Fix: palette animation always redid all palette entries, where in fact only a few indexes were needed

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-Codechange: allow blitters to handle palette animation internally or even disable it; 8bpp uses video-backend for palette animation
This commit is contained in:
truelight
2007-06-19 15:04:08 +00:00
parent 9ad02c11c6
commit 1c4760ee06
12 changed files with 115 additions and 28 deletions
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26
src/video/sdl_v.cpp
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@@ -37,10 +37,6 @@ static void SdlVideoMakeDirty(int left, int top, int width, int height)
static void UpdatePalette(uint start, uint count)
{
/* We can only update the palette in 8bpp for now */
/* TODO -- We need support for other bpps too! */
if (BlitterFactoryBase::GetCurrentBlitter()->GetScreenDepth() != 8) return;
SDL_Color pal[256];
uint i;
@@ -61,9 +57,25 @@ static void InitPalette()
static void CheckPaletteAnim()
{
if (_pal_last_dirty != -1) {
UpdatePalette(_pal_first_dirty, _pal_last_dirty - _pal_first_dirty + 1);
_pal_last_dirty = -1;
Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
if (_pal_count_dirty != 0) {
switch (blitter->UsePaletteAnimation()) {
case Blitter::PALETTE_ANIMATION_VIDEO_BACKEND:
UpdatePalette(_pal_first_dirty, _pal_count_dirty);
break;
case Blitter::PALETTE_ANIMATION_BLITTER:
blitter->PaletteAnimate(_pal_first_dirty, _pal_count_dirty);
break;
case Blitter::PALETTE_ANIMATION_NONE:
break;
default:
NOT_REACHED();
}
_pal_count_dirty = 0;
}
}