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Avoid unnecessary copy of glyph data for entities text

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Copy the glyph data directly from the font bitmap buffer to the target image instead of using `m_aaGlyphData` as a temporary buffer.
This commit is contained in:
Robert Müller 2024-10-31 23:50:39 +01:00
parent eecaf4cdfc
commit f5179df6d0
1 changed files with 3 additions and 18 deletions
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21
src/engine/client/text.cpp
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@ -788,14 +788,6 @@ public:
}
const FT_Bitmap *pBitmap = &Face->glyph->bitmap;
// prepare glyph data
const size_t GlyphDataSize = (size_t)pBitmap->width * pBitmap->rows * sizeof(uint8_t);
if(pBitmap->pixel_mode == FT_PIXEL_MODE_GRAY)
mem_copy(m_aaGlyphData[FONT_TEXTURE_FILL], pBitmap->buffer, GlyphDataSize);
else
mem_zero(m_aaGlyphData[FONT_TEXTURE_FILL], GlyphDataSize);
for(unsigned OffY = 0; OffY < pBitmap->rows; ++OffY)
{
for(unsigned OffX = 0; OffX < pBitmap->width; ++OffX)
@ -803,18 +795,11 @@ public:
const int ImgOffX = clamp(x + OffX + WidthLastChars, x, (x + TexSubWidth) - 1);
const int ImgOffY = clamp(y + OffY, y, (y + TexSubHeight) - 1);
const size_t ImageOffset = ImgOffY * (TextImage.m_Width * PixelSize) + ImgOffX * PixelSize;
const size_t GlyphOffset = OffY * pBitmap->width + OffX;
for(size_t i = 0; i < PixelSize; ++i)
for(size_t i = 0; i < PixelSize - 1; ++i)
{
if(i != PixelSize - 1)
{
*(TextImage.m_pData + ImageOffset + i) = 255;
}
else
{
*(TextImage.m_pData + ImageOffset + i) = *(m_aaGlyphData[FONT_TEXTURE_FILL] + GlyphOffset);
}
TextImage.m_pData[ImageOffset + i] = 255;
}
TextImage.m_pData[ImageOffset + PixelSize - 1] = pBitmap->buffer[OffY * pBitmap->width + OffX];
}
}