diff options
| -rw-r--r-- | src/i830_exa.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/i830_exa.c b/src/i830_exa.c index 5da153e0..88853a75 100644 --- a/src/i830_exa.c +++ b/src/i830_exa.c @@ -147,6 +147,8 @@ I830EXAPrepareSolid(PixmapPtr pPixmap, int alu, Pixel planemask, Pixel fg) I830FALLBACK("pixmap offset not aligned"); if ( pitch % pI830->EXADriverPtr->pixmapPitchAlign != 0) I830FALLBACK("pixmap pitch not aligned"); + if ( pI830->tiling && offset > 4096) + I830FALLBACK("offset limited to 4k for tiled targets"); pI830->BR[13] = (pitch & 0xffff); switch (pPixmap->drawable.bitsPerPixel) { @@ -231,6 +233,12 @@ I830EXAPrepareCopy(PixmapPtr pSrcPixmap, PixmapPtr pDstPixmap, int xdir, pI830->copy_src_tiled = (pI830->tiling && exaPixmapInFrontbuffer(pSrcPixmap)); + if (pI830->copy_src_tiled && pI830->copy_src_off > 4096) + I830FALLBACK("offset limited to 4k for tiled targets"); + if (pI830->tiling && exaPixmapInFrontbuffer(pDstPixmap) && + exaGetPixmapOffset(pDstPixmap) > 4096) + I830FALLBACK("offset limited to 4k for tiled targets"); + pI830->BR[13] = exaGetPixmapPitch(pDstPixmap); pI830->BR[13] |= I830CopyROP[alu] << 16; |