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GBA Video: Fix scanline cache with scale factor change edge cases

This commit is contained in:
Vicki Pfau 2019-03-09 11:27:52 -08:00
parent 5115c214eb
commit c6d31bd954
2 changed files with 11 additions and 1 deletions
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4
CHANGES
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@ -1,5 +1,7 @@
0.7.2: (Future) 0.7.2: (Future)
Bugfixes: Emulation fixes:
- GBA Video: Fix scanline cache with scale factor change edge cases
Other fixes:
- Qt: More app metadata fixes - Qt: More app metadata fixes
- Qt: Fix load recent from archive (fixes mgba.io/i/1325) - Qt: Fix load recent from archive (fixes mgba.io/i/1325)
- LR35902: Fix disassembly of several CB-prefix instructions - LR35902: Fix disassembly of several CB-prefix instructions

8
src/gba/renderers/video-software.c
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@ -539,6 +539,14 @@ static void GBAVideoSoftwareRendererDrawScanline(struct GBAVideoRenderer* render
dirty = true; dirty = true;
} }
if (GBARegisterDISPCNTGetMode(softwareRenderer->dispcnt) != 0) {
if (softwareRenderer->cache[y].scale[0][0] != softwareRenderer->bg[2].sx ||
softwareRenderer->cache[y].scale[0][1] != softwareRenderer->bg[2].sy ||
softwareRenderer->cache[y].scale[1][0] != softwareRenderer->bg[3].sx ||
softwareRenderer->cache[y].scale[1][1] != softwareRenderer->bg[3].sy) {
dirty = true;
}
}
softwareRenderer->cache[y].scale[0][0] = softwareRenderer->bg[2].sx; softwareRenderer->cache[y].scale[0][0] = softwareRenderer->bg[2].sx;
softwareRenderer->cache[y].scale[0][1] = softwareRenderer->bg[2].sy; softwareRenderer->cache[y].scale[0][1] = softwareRenderer->bg[2].sy;
softwareRenderer->cache[y].scale[1][0] = softwareRenderer->bg[3].sx; softwareRenderer->cache[y].scale[1][0] = softwareRenderer->bg[3].sx;