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Seems to work from five seconds of testing Oracle of Seasons. Now for a GB game.

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Alcaro 2013-11-22 22:06:16 +01:00
parent 434ea5dfab
commit ae0161038a
1 changed files with 12 additions and 1 deletions
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13
libgambatte/src/video.cpp
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@ -31,13 +31,20 @@ void LCD::setDmgPalette(video_pixel_t *const palette, const video_pixel_t *const
}
static unsigned long gbcToRgb32(const unsigned bgr15) {
#ifdef VIDEO_RGB565
const unsigned r = bgr15 & 0x1F;
const unsigned g = bgr15 >> 5 & 0x1F;
const unsigned b = bgr15 >> 10 & 0x1F;
return (((r * 13 + g * 2 + b + 8) << 7) & 0xF800) | ((g * 3 + b + 1) >> 1) << 5 | ((r * 3 + g * 2 + b * 11 + 8) >> 4);
#else
const unsigned long r = bgr15 & 0x1F;
const unsigned long g = bgr15 >> 5 & 0x1F;
const unsigned long b = bgr15 >> 10 & 0x1F;
return ((r * 13 + g * 2 + b) >> 1) << 16 | (g * 3 + b) << 9 | (r * 3 + g * 2 + b * 11) >> 1;
#endif
}
/*static unsigned long gbcToRgb16(const unsigned bgr15) {
const unsigned r = bgr15 & 0x1F;
const unsigned g = bgr15 >> 5 & 0x1F;
@ -215,7 +222,11 @@ static void blitOsdElement(video_pixel_t *d,
template<unsigned weight>
struct Blend {
enum { SW = weight - 1 };
#ifdef VIDEO_RGB565
enum { LOWMASK = SW * 0x0821ul };
#else
enum { LOWMASK = SW * 0x010101ul };
#endif
video_pixel_t operator()(const video_pixel_t s, const video_pixel_t d) const {
return (s * SW + d - (((s & LOWMASK) * SW + (d & LOWMASK)) & LOWMASK)) / weight;
}