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[NTGDI][FREETYPE] Check 'No transformation' for performance (#6850)

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Slight performance improvement.
JIRA issue: CORE-15554
- Add bNoTransform variable.
- Check whether mat is identity matrix.
- If so, then don't do FT_Vector_Transform.
This commit is contained in:
Katayama Hirofumi MZ 2024-05-07 11:14:16 +09:00 committed by GitHub
parent e79c896592
commit d076146f4e
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
1 changed files with 27 additions and 12 deletions
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39
win32ss/gdi/ntgdi/freetype.c
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@ -5814,7 +5814,8 @@ IntGetTextDisposition(
IN INT Count,
IN OPTIONAL LPINT Dx,
IN OUT PFONT_CACHE_ENTRY Cache,
IN UINT fuOptions)
IN UINT fuOptions,
IN BOOL bNoTransform)
{
LONGLONG X64 = 0, Y64 = 0;
INT i, glyph_index;
@ -5822,7 +5823,7 @@ IntGetTextDisposition(
FT_Face face = Cache->Hashed.Face;
BOOL use_kerning = FT_HAS_KERNING(face);
ULONG previous = 0;
FT_Vector delta;
FT_Vector delta, vec;
ASSERT_FREETYPE_LOCK_HELD();
@ -5850,15 +5851,19 @@ IntGetTextDisposition(
}
else if (fuOptions & ETO_PDY)
{
FT_Vector vec = { Dx[2 * i + 0] << 6, Dx[2 * i + 1] << 6 };
FT_Vector_Transform(&vec, &Cache->Hashed.matTransform);
vec.x = (Dx[2 * i + 0] << 6);
vec.y = (Dx[2 * i + 1] << 6);
if (!bNoTransform)
FT_Vector_Transform(&vec, &Cache->Hashed.matTransform);
X64 += vec.x;
Y64 -= vec.y;
}
else
{
FT_Vector vec = { Dx[i] << 6, 0 };
FT_Vector_Transform(&vec, &Cache->Hashed.matTransform);
vec.x = (Dx[i] << 6);
vec.y = 0;
if (!bNoTransform)
FT_Vector_Transform(&vec, &Cache->Hashed.matTransform);
X64 += vec.x;
Y64 -= vec.y;
}
@ -5989,11 +5994,12 @@ IntExtTextOutW(
EXLATEOBJ exloRGB2Dst, exloDst2RGB;
POINT Start;
PMATRIX pmxWorldToDevice;
FT_Vector delta, vecAscent64, vecDescent64;
FT_Vector delta, vecAscent64, vecDescent64, vec;
LOGFONTW *plf;
BOOL use_kerning, bResult, DoBreak;
FONT_CACHE_ENTRY Cache;
FT_Matrix mat;
BOOL bNoTransform;
/* Check if String is valid */
if (Count > 0xFFFF || (Count > 0 && String == NULL))
@ -6120,6 +6126,10 @@ IntExtTextOutW(
FT_Matrix_Multiply(&mat, &Cache.Hashed.matTransform);
FT_Set_Transform(face, &Cache.Hashed.matTransform, NULL);
/* Is there no transformation? */
bNoTransform = ((mat.xy == 0) && (mat.yx == 0) &&
(mat.xx == (1 << 16)) && (mat.yy == (1 << 16)));
/* Calculate the ascent point and the descent point */
vecAscent64.x = 0;
vecAscent64.y = (FontGDI->tmAscent << 6);
@ -6151,7 +6161,8 @@ IntExtTextOutW(
/* Calculate the text width if necessary */
if ((fuOptions & ETO_OPAQUE) || (pdcattr->flTextAlign & (TA_CENTER | TA_RIGHT)))
{
if (!IntGetTextDisposition(&DeltaX64, &DeltaY64, String, Count, Dx, &Cache, fuOptions))
if (!IntGetTextDisposition(&DeltaX64, &DeltaY64, String, Count, Dx, &Cache,
fuOptions, bNoTransform))
{
IntUnLockFreeType();
bResult = FALSE;
@ -6323,15 +6334,19 @@ IntExtTextOutW(
}
else if (fuOptions & ETO_PDY)
{
FT_Vector vec = { Dx[2 * i + 0] << 6, Dx[2 * i + 1] << 6 };
FT_Vector_Transform(&vec, &Cache.Hashed.matTransform);
vec.x = (Dx[2 * i + 0] << 6);
vec.y = (Dx[2 * i + 1] << 6);
if (!bNoTransform)
FT_Vector_Transform(&vec, &Cache.Hashed.matTransform);
X64 += vec.x;
Y64 -= vec.y;
}
else
{
FT_Vector vec = { Dx[i] << 6, 0 };
FT_Vector_Transform(&vec, &Cache.Hashed.matTransform);
vec.x = (Dx[i] << 6);
vec.y = 0;
if (!bNoTransform)
FT_Vector_Transform(&vec, &Cache.Hashed.matTransform);
X64 += vec.x;
Y64 -= vec.y;
}