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GBA Video: Fix window interactions with 16-color mode 0 mosaic

This commit is contained in:
Jeffrey Pfau 2014-12-31 19:59:26 -08:00
parent c07204d343
commit d44470f56f
2 changed files with 36 additions and 3 deletions
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1
CHANGES
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@ -19,6 +19,7 @@ Bugfixes:
- Debugger: Align PC-relative loads in Thumb
- Debugger: Fix watchpoints triggering too late
- GBA Video: Fix sprite mis-ordering behavior in some cases (fixes #168)
- GBA Video: Fix window interactions with 16-color mode 0 mosaic
Misc:
- Qt: Disable sync to video by default
- GBA: Exit cleanly on FATAL if the port supports it

38
src/gba/renderers/video-software.c
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@ -933,11 +933,42 @@ static inline void _compositeNoBlendNoObjwin(struct GBAVideoSoftwareRenderer* re
}
#define DRAW_BACKGROUND_MODE_0_MOSAIC_16(BLEND, OBJWIN) \
for (; tileX < tileEnd; ++tileX) { \
x = inX & 7; \
if (mosaicWait) { \
int baseX = x - (mosaicH - mosaicWait); \
if (baseX < 0) { \
int disturbX = (16 + baseX) >> 3; \
inX -= disturbX << 3; \
BACKGROUND_TEXT_SELECT_CHARACTER; \
baseX -= disturbX << 3; \
inX += disturbX << 3; \
} else { \
BACKGROUND_TEXT_SELECT_CHARACTER; \
} \
charBase = (background->charBase + (GBA_TEXT_MAP_TILE(mapData) << 5)) + (localY << 2); \
paletteData = GBA_TEXT_MAP_PALETTE(mapData) << 4; \
palette = &mainPalette[paletteData]; \
LOAD_32(tileData, charBase, vram); \
if (!GBA_TEXT_MAP_HFLIP(mapData)) { \
tileData >>= 4 * baseX; \
} else { \
tileData >>= 4 * (7 - baseX); \
} \
tileData &= 0xF; \
tileData |= tileData << 4; \
tileData |= tileData << 8; \
tileData |= tileData << 12; \
tileData |= tileData << 16; \
tileData |= tileData << 20; \
tileData |= tileData << 24; \
tileData |= tileData << 28; \
carryData = tileData; \
} \
for (; length; ++tileX) { \
BACKGROUND_TEXT_SELECT_CHARACTER; \
charBase = (background->charBase + (GBA_TEXT_MAP_TILE(mapData) << 5)) + (localY << 2); \
tileData = carryData; \
for (x = 0; x < 8; ++x) { \
for (; x < 8 && length; ++x, --length) { \
if (!mosaicWait) { \
paletteData = GBA_TEXT_MAP_PALETTE(mapData) << 4; \
palette = &mainPalette[paletteData]; \
@ -962,6 +993,7 @@ static inline void _compositeNoBlendNoObjwin(struct GBAVideoSoftwareRenderer* re
BACKGROUND_DRAW_PIXEL_16(BLEND, OBJWIN); \
++pixel; \
} \
x = 0; \
}
#define DRAW_BACKGROUND_MODE_0_TILES_16(BLEND, OBJWIN) \
@ -1194,7 +1226,7 @@ static inline void _compositeNoBlendNoObjwin(struct GBAVideoSoftwareRenderer* re
if (background->mosaic && GBAMosaicControlGetBgH(renderer->mosaic)) { \
int mosaicH = GBAMosaicControlGetBgH(renderer->mosaic) + 1; \
int x; \
int mosaicWait = outX % mosaicH; \
int mosaicWait = (mosaicH - outX + VIDEO_HORIZONTAL_PIXELS * mosaicH) % mosaicH; \
int carryData = 0; \
paletteData = 0; /* Quiets compiler warning */ \
DRAW_BACKGROUND_MODE_0_MOSAIC_ ## BPP (BLEND, OBJWIN) \