diff options
| author | Keith Packard <keithp@keithp.com> | 2008-04-09 16:27:40 -0500 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2008-04-10 16:58:12 -0500 |
| commit | d5a80e1e3ab5724d34b20f9ee6f830efd0f5b076 (patch) | |
| tree | 575555f4cf9a428581914762bad8b0d384626ae7 /src/i830_video.c | |
| parent | ac97f2b1487df5574875350a9cded958dae33afa (diff) | |
Single memcpy when pitches align on planar image transfer
Diffstat (limited to 'src/i830_video.c')
| -rw-r--r-- | src/i830_video.c | 39 |
1 files changed, 24 insertions, 15 deletions
diff --git a/src/i830_video.c b/src/i830_video.c index 4e1f725d..24372886 100644 --- a/src/i830_video.c +++ b/src/i830_video.c @@ -1382,11 +1382,14 @@ I830CopyPlanarData(ScrnInfoPtr pScrn, I830PortPrivPtr pPriv, switch (pPriv->rotation) { case RR_Rotate_0: - for (i = 0; i < h; i++) { - memcpy(dst1, src1, w); - src1 += srcPitch; - dst1 += dstPitch2; - } + if (srcPitch == dstPitch2) + memcpy (dst1, src1, srcPitch * h); + else + for (i = 0; i < h; i++) { + memcpy(dst1, src1, w); + src1 += srcPitch; + dst1 += dstPitch2; + } break; case RR_Rotate_90: for (i = 0; i < h; i++) { @@ -1437,11 +1440,14 @@ I830CopyPlanarData(ScrnInfoPtr pScrn, I830PortPrivPtr pPriv, switch (pPriv->rotation) { case RR_Rotate_0: - for (i = 0; i < h / 2; i++) { - memcpy(dst2, src2, w / 2); - src2 += srcPitch2; - dst2 += dstPitch; - } + if (srcPitch2 == dstPitch) + memcpy (dst2, src2, h/2 * srcPitch2); + else + for (i = 0; i < h / 2; i++) { + memcpy(dst2, src2, w / 2); + src2 += srcPitch2; + dst2 += dstPitch; + } break; case RR_Rotate_90: for (i = 0; i < (h/2); i++) { @@ -1493,11 +1499,14 @@ I830CopyPlanarData(ScrnInfoPtr pScrn, I830PortPrivPtr pPriv, switch (pPriv->rotation) { case RR_Rotate_0: - for (i = 0; i < h / 2; i++) { - memcpy(dst3, src3, w / 2); - src3 += srcPitch2; - dst3 += dstPitch; - } + if (srcPitch2 == dstPitch) + memcpy (dst3, src3, srcPitch2 * h/2); + else + for (i = 0; i < h / 2; i++) { + memcpy(dst3, src3, w / 2); + src3 += srcPitch2; + dst3 += dstPitch; + } break; case RR_Rotate_90: for (i = 0; i < (h/2); i++) { |