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[codec,color] optimize image copy

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provide optimized functions for alpha blending in different color formats
This commit is contained in:
akallabeth 2024-06-04 09:09:05 +02:00
parent 6ad17cac6e
commit 96f68dca74
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GPG Key ID: A49454A3FC909FD5
1 changed files with 155 additions and 56 deletions
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211
libfreerdp/codec/color.c
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@ -586,6 +586,153 @@ static INLINE BOOL overlapping(const BYTE* pDstData, UINT32 nXDst, UINT32 nYDst,
return FALSE;
}
static INLINE BOOL freerdp_image_copy_bgr24_bgrx32(BYTE* WINPR_RESTRICT pDstData, UINT32 nDstStep,
UINT32 nXDst, UINT32 nYDst, UINT32 nWidth,
UINT32 nHeight,
const BYTE* WINPR_RESTRICT pSrcData,
UINT32 nSrcStep, UINT32 nXSrc, UINT32 nYSrc,
SSIZE_T srcVMultiplier, SSIZE_T srcVOffset,
SSIZE_T dstVMultiplier, SSIZE_T dstVOffset)
{
const SSIZE_T srcByte = 3;
const SSIZE_T dstByte = 4;
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];
for (SSIZE_T x = 0; x < nWidth; 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];
}
}
return TRUE;
}
static INLINE BOOL freerdp_image_copy_bgrx32_bgrx32(BYTE* WINPR_RESTRICT pDstData, UINT32 nDstStep,
UINT32 nXDst, UINT32 nYDst, UINT32 nWidth,
UINT32 nHeight,
const BYTE* WINPR_RESTRICT pSrcData,
UINT32 nSrcStep, UINT32 nXSrc, UINT32 nYSrc,
SSIZE_T srcVMultiplier, SSIZE_T srcVOffset,
SSIZE_T dstVMultiplier, SSIZE_T dstVOffset)
{
const SSIZE_T srcByte = 4;
const SSIZE_T dstByte = 4;
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];
for (SSIZE_T x = 0; x < nWidth; 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];
}
}
return TRUE;
}
static INLINE BOOL freerdp_image_copy_generic(
BYTE* WINPR_RESTRICT pDstData, UINT32 DstFormat, UINT32 nDstStep, UINT32 nXDst, UINT32 nYDst,
UINT32 nWidth, UINT32 nHeight, const BYTE* WINPR_RESTRICT pSrcData, UINT32 SrcFormat,
UINT32 nSrcStep, UINT32 nXSrc, UINT32 nYSrc, const gdiPalette* WINPR_RESTRICT palette,
SSIZE_T srcVMultiplier, SSIZE_T srcVOffset, SSIZE_T dstVMultiplier, SSIZE_T dstVOffset)
{
const SSIZE_T srcByte = 4;
const SSIZE_T dstByte = 4;
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];
UINT32 color = FreeRDPReadColor_int(&srcLine[nXSrc * srcByte], SrcFormat);
UINT32 oldColor = color;
UINT32 dstColor = FreeRDPConvertColor(color, SrcFormat, DstFormat, palette);
FreeRDPWriteColorIgnoreAlpha_int(&dstLine[nXDst * dstByte], DstFormat, dstColor);
for (SSIZE_T x = 1; x < nWidth; x++)
{
color = FreeRDPReadColor_int(&srcLine[(x + nXSrc) * srcByte], SrcFormat);
if (color == oldColor)
{
FreeRDPWriteColorIgnoreAlpha_int(&dstLine[(x + nXDst) * dstByte], DstFormat,
dstColor);
}
else
{
oldColor = color;
dstColor = FreeRDPConvertColor(color, SrcFormat, DstFormat, palette);
FreeRDPWriteColorIgnoreAlpha_int(&dstLine[(x + nXDst) * dstByte], DstFormat,
dstColor);
}
}
}
return TRUE;
}
static INLINE BOOL freerdp_image_copy_no_overlap_dst_alpha(
BYTE* WINPR_RESTRICT pDstData, DWORD DstFormat, UINT32 nDstStep, UINT32 nXDst, UINT32 nYDst,
UINT32 nWidth, UINT32 nHeight, const BYTE* WINPR_RESTRICT pSrcData, DWORD SrcFormat,
UINT32 nSrcStep, UINT32 nXSrc, UINT32 nYSrc, const gdiPalette* WINPR_RESTRICT palette,
SSIZE_T srcVMultiplier, SSIZE_T srcVOffset, SSIZE_T dstVMultiplier, SSIZE_T dstVOffset)
{
WINPR_ASSERT(pDstData);
WINPR_ASSERT(pSrcData);
switch (SrcFormat)
{
case PIXEL_FORMAT_BGR24:
switch (DstFormat)
{
case PIXEL_FORMAT_BGRX32:
case PIXEL_FORMAT_BGRA32:
return freerdp_image_copy_bgr24_bgrx32(
pDstData, nDstStep, nXDst, nYDst, nWidth, nHeight, pSrcData, nSrcStep,
nXSrc, nYSrc, srcVMultiplier, srcVOffset, dstVMultiplier, dstVOffset);
default:
break;
}
break;
case PIXEL_FORMAT_BGRX32:
case PIXEL_FORMAT_BGRA32:
switch (DstFormat)
{
case PIXEL_FORMAT_BGRX32:
case PIXEL_FORMAT_BGRA32:
return freerdp_image_copy_bgrx32_bgrx32(
pDstData, nDstStep, nXDst, nYDst, nWidth, nHeight, pSrcData, nSrcStep,
nXSrc, nYSrc, srcVMultiplier, srcVOffset, dstVMultiplier, dstVOffset);
default:
break;
}
break;
default:
break;
}
return freerdp_image_copy_generic(pDstData, DstFormat, nDstStep, nXDst, nYDst, nWidth, nHeight,
pSrcData, SrcFormat, nSrcStep, nXSrc, nYSrc, palette,
srcVMultiplier, srcVOffset, dstVMultiplier, dstVOffset);
}
BOOL freerdp_image_copy_no_overlap(BYTE* WINPR_RESTRICT pDstData, DWORD DstFormat, UINT32 nDstStep,
UINT32 nXDst, UINT32 nYDst, UINT32 nWidth, UINT32 nHeight,
const BYTE* WINPR_RESTRICT pSrcData, DWORD SrcFormat,
@ -625,36 +772,10 @@ BOOL freerdp_image_copy_no_overlap(BYTE* WINPR_RESTRICT pDstData, DWORD DstForma
}
if (((flags & FREERDP_KEEP_DST_ALPHA) != 0) && FreeRDPColorHasAlpha(DstFormat))
{
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];
UINT32 color = FreeRDPReadColor_int(&srcLine[nXSrc * srcByte], SrcFormat);
UINT32 oldColor = color;
UINT32 dstColor = FreeRDPConvertColor(color, SrcFormat, DstFormat, palette);
FreeRDPWriteColorIgnoreAlpha_int(&dstLine[nXDst * dstByte], DstFormat, dstColor);
for (SSIZE_T x = 1; x < nWidth; x++)
{
color = FreeRDPReadColor_int(&srcLine[(x + nXSrc) * srcByte], SrcFormat);
if (color == oldColor)
{
FreeRDPWriteColorIgnoreAlpha_int(&dstLine[(x + nXDst) * dstByte], DstFormat,
dstColor);
}
else
{
oldColor = color;
dstColor = FreeRDPConvertColor(color, SrcFormat, DstFormat, palette);
FreeRDPWriteColorIgnoreAlpha_int(&dstLine[(x + nXDst) * dstByte], DstFormat,
dstColor);
}
}
}
}
return freerdp_image_copy_no_overlap_dst_alpha(
pDstData, DstFormat, nDstStep, nXDst, nYDst, nWidth, nHeight, pSrcData, SrcFormat,
nSrcStep, nXSrc, nYSrc, palette, srcVMultiplier, srcVOffset, dstVMultiplier,
dstVOffset);
else if (FreeRDPAreColorFormatsEqualNoAlpha_int(SrcFormat, DstFormat))
{
if (!vSrcVFlip && (nDstStep == nSrcStep) && (xSrcOffset == 0) && (xDstOffset == 0))
@ -747,32 +868,10 @@ BOOL freerdp_image_copy_overlap(BYTE* pDstData, DWORD DstFormat, UINT32 nDstStep
if (((flags & FREERDP_KEEP_DST_ALPHA) != 0) && FreeRDPColorHasAlpha(DstFormat))
{
for (SSIZE_T y = 0; y < nHeight; y++)
{
const BYTE* srcLine = &pSrcData[srcVMultiplier * (y + nYSrc) * nSrcStep + srcVOffset];
BYTE* dstLine = &pDstData[dstVMultiplier * (y + nYDst) * nDstStep + dstVOffset];
UINT32 color = FreeRDPReadColor_int(&srcLine[nXSrc * srcByte], SrcFormat);
UINT32 oldColor = color;
UINT32 dstColor = FreeRDPConvertColor(color, SrcFormat, DstFormat, palette);
FreeRDPWriteColorIgnoreAlpha_int(&dstLine[nXDst * dstByte], DstFormat, dstColor);
for (UINT32 x = 1; x < nWidth; x++)
{
color = FreeRDPReadColor_int(&srcLine[(x + nXSrc) * srcByte], SrcFormat);
if (color == oldColor)
{
FreeRDPWriteColorIgnoreAlpha_int(&dstLine[(x + nXDst) * dstByte], DstFormat,
dstColor);
}
else
{
oldColor = color;
dstColor = FreeRDPConvertColor(color, SrcFormat, DstFormat, palette);
FreeRDPWriteColorIgnoreAlpha_int(&dstLine[(x + nXDst) * dstByte], DstFormat,
dstColor);
}
}
}
return freerdp_image_copy_no_overlap_dst_alpha(
pDstData, DstFormat, nDstStep, nXDst, nYDst, nWidth, nHeight, pSrcData, SrcFormat,
nSrcStep, nXSrc, nYSrc, palette, srcVMultiplier, srcVOffset, dstVMultiplier,
dstVOffset);
}
else if (FreeRDPAreColorFormatsEqualNoAlpha_int(SrcFormat, DstFormat))
{