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Fix bug with line calculation in gDPLoadBlock.

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Fixed South Park Rally (All) - Gfx Issue #391
and probably other similar issues.
This commit is contained in:
Sergey Lipskiy 2016-03-17 09:29:57 +06:00
parent 2a56af9da1
commit f6be5fd39f
1 changed files with 4 additions and 3 deletions
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7
src/gDP.cpp
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@ -625,9 +625,10 @@ void gDPLoadBlock(u32 tile, u32 uls, u32 ult, u32 lrs, u32 dxt)
u32 tmemAddr = gDP.loadTile->tmem; u32 tmemAddr = gDP.loadTile->tmem;
if (dxt > 0) { if (dxt > 0) {
u32 line = (2047 + dxt) / dxt; const u32 widthInQWords = (bytes >> 3);
u32 bpl = line << 3; const u32 height = (widthInQWords * dxt) / 2048;
u32 height = bytes / bpl; const u32 line = widthInQWords / height;
const u32 bpl = line << 3;
for (u32 y = 0; y < height; ++y) { for (u32 y = 0; y < height; ++y) {
UnswapCopyWrap(RDRAM, address, (u8*)TMEM, tmemAddr << 3, 0xFFF, bpl); UnswapCopyWrap(RDRAM, address, (u8*)TMEM, tmemAddr << 3, 0xFFF, bpl);