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-rw-r--r--src/savage_dri.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/src/savage_dri.c b/src/savage_dri.c
index 50211f5..9d539d9 100644
--- a/src/savage_dri.c
+++ b/src/savage_dri.c
@@ -1446,10 +1446,12 @@ Bool SAVAGEDRIFinishScreenInit( ScreenPtr pScreen )
value |= (((pSAVAGEDRI->width + 0x1F) & 0xFFE0) >> 5) << 20;
value |= 3<<30;
}
-
- OUTREG(TILED_SURFACE_REGISTER_0, value|(pSAVAGEDRI->frontOffset >> 5) ); /* front */
- OUTREG(TILED_SURFACE_REGISTER_1, value|(pSAVAGEDRI->backOffset >> 5) ); /* back */
- OUTREG(TILED_SURFACE_REGISTER_2, value|(pSAVAGEDRI->depthOffset >> 5) ); /* depth */
+ int offset_shift = 5;
+ if (psav->Chipset == S3_SUPERSAVAGE) /* supersavages have a different shift */
+ offset_shift = 6;
+ OUTREG(TILED_SURFACE_REGISTER_0, value|(pSAVAGEDRI->frontOffset >> offset_shift) ); /* front */
+ OUTREG(TILED_SURFACE_REGISTER_1, value|(pSAVAGEDRI->backOffset >> offset_shift) ); /* back */
+ OUTREG(TILED_SURFACE_REGISTER_2, value|(pSAVAGEDRI->depthOffset >> offset_shift) ); /* depth */
}
}