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[primitives,copy] use loop unroll pragma

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This commit is contained in:
akallabeth
2024-10-10 11:56:54 +02:00
parent f5171b6b47
commit 3ddc0e7c73
1 changed files with 23 additions and 2 deletions
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25
libfreerdp/primitives/prim_copy.c
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@@ -146,6 +146,8 @@ static INLINE pstatus_t generic_image_copy_bgr24_bgrx32(BYTE* WINPR_RESTRICT pDs
const SSIZE_T srcByte = 3;
const SSIZE_T dstByte = 4;
const UINT32 width = nWidth - nWidth % 8;
for (SSIZE_T y = 0; y < nHeight; y++)
{
const BYTE* WINPR_RESTRICT srcLine =
@@ -153,7 +155,16 @@ static INLINE pstatus_t generic_image_copy_bgr24_bgrx32(BYTE* WINPR_RESTRICT pDs
BYTE* WINPR_RESTRICT dstLine =
&pDstData[dstVMultiplier * (y + nYDst) * nDstStep + dstVOffset];
for (SSIZE_T x = 0; x < nWidth; x++)
SSIZE_T x = 0;
WINPR_PRAGMA_UNROLL_LOOP
for (; x < width; x++)
{
dstLine[(x + nXDst) * dstByte + 0] = srcLine[(x + nXSrc) * srcByte + 0];
dstLine[(x + nXDst) * dstByte + 1] = srcLine[(x + nXSrc) * srcByte + 1];
dstLine[(x + nXDst) * dstByte + 2] = srcLine[(x + nXSrc) * srcByte + 2];
}
for (; x < nWidth; x++)
{
dstLine[(x + nXDst) * dstByte + 0] = srcLine[(x + nXSrc) * srcByte + 0];
dstLine[(x + nXDst) * dstByte + 1] = srcLine[(x + nXSrc) * srcByte + 1];
@@ -174,6 +185,8 @@ static INLINE pstatus_t generic_image_copy_bgrx32_bgrx32(
const SSIZE_T srcByte = 4;
const SSIZE_T dstByte = 4;
const UINT32 width = nWidth - nWidth % 8;
for (SSIZE_T y = 0; y < nHeight; y++)
{
const BYTE* WINPR_RESTRICT srcLine =
@@ -181,7 +194,15 @@ static INLINE pstatus_t generic_image_copy_bgrx32_bgrx32(
BYTE* WINPR_RESTRICT dstLine =
&pDstData[dstVMultiplier * (y + nYDst) * nDstStep + dstVOffset];
for (SSIZE_T x = 0; x < nWidth; x++)
SSIZE_T x = 0;
WINPR_PRAGMA_UNROLL_LOOP
for (; x < width; x++)
{
dstLine[(x + nXDst) * dstByte + 0] = srcLine[(x + nXSrc) * srcByte + 0];
dstLine[(x + nXDst) * dstByte + 1] = srcLine[(x + nXSrc) * srcByte + 1];
dstLine[(x + nXDst) * dstByte + 2] = srcLine[(x + nXSrc) * srcByte + 2];
}
for (; x < nWidth; x++)
{
dstLine[(x + nXDst) * dstByte + 0] = srcLine[(x + nXSrc) * srcByte + 0];
dstLine[(x + nXDst) * dstByte + 1] = srcLine[(x + nXSrc) * srcByte + 1];