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[codec,color] freerdp_image_copy_no_overlap

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use single memcopy if possible to speed up copy
This commit is contained in:
akallabeth 2024-05-23 10:00:02 +02:00
parent afde527120
commit 1a58e74c17
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GPG Key ID: A49454A3FC909FD5
1 changed files with 15 additions and 6 deletions
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21
libfreerdp/codec/color.c
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@ -645,13 +645,22 @@ static BOOL freerdp_image_copy_no_overlap(BYTE* WINPR_RESTRICT pDstData, DWORD D
}
else if (FreeRDPAreColorFormatsEqualNoAlpha(SrcFormat, DstFormat))
{
for (SSIZE_T y = 0; y < nHeight; y++)
if (!vSrcVFlip && (nDstStep == nSrcStep) && (xSrcOffset == 0) && (xDstOffset == 0))
{
const BYTE* WINPR_RESTRICT srcLine =
&pSrcData[srcVMultiplier * (y + nYSrc) * nSrcStep + srcVOffset];
BYTE* WINPR_RESTRICT dstLine =
&pDstData[dstVMultiplier * (y + nYDst) * nDstStep + dstVOffset];
memcpy(&dstLine[xDstOffset], &srcLine[xSrcOffset], copyDstWidth);
const void* src = &pSrcData[1ull * nYSrc * nSrcStep];
void* dst = &pDstData[1ull * nYDst * nDstStep];
memcpy(dst, src, 1ull * nDstStep * nHeight);
}
else
{
for (SSIZE_T y = 0; y < nHeight; y++)
{
const BYTE* WINPR_RESTRICT srcLine =
&pSrcData[srcVMultiplier * (y + nYSrc) * nSrcStep + srcVOffset];
BYTE* WINPR_RESTRICT dstLine =
&pDstData[dstVMultiplier * (y + nYDst) * nDstStep + dstVOffset];
memcpy(&dstLine[xDstOffset], &srcLine[xSrcOffset], copyDstWidth);
}
}
}
else