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sw_engine raster: optimize the image raster

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these solid images shouldn't apply the alpha blending...
This commit is contained in:
Hermet Park 2021-11-17 20:44:39 +09:00 • committed by Hermet Park
parent c510ced623
commit 4f73719fac
1 changed files with 4 additions and 5 deletions
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9
src/lib/sw_engine/tvgSwRaster.cpp
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@ -903,8 +903,7 @@ static bool _rasterTransformedSolidImage(SwSurface* surface, const SwImage* imag
auto rX = static_cast<uint32_t>(roundf(x * itransform->e11 + ey1));
auto rY = static_cast<uint32_t>(roundf(x * itransform->e21 + ey2));
if (rX >= w || rY >= h) continue;
auto src = img[rX + (rY * image->stride)];
*dst = src + ALPHA_BLEND(*dst, surface->blender.ialpha(src));
*dst = img[rX + (rY * image->stride)];
}
}
return true;
@ -928,7 +927,7 @@ static bool _rasterDownScaledSolidImage(SwSurface* surface, const SwImage* image
uint32_t src;
if (rX < halfScale || rY < halfScale || rX >= w - halfScale || rY >= h - halfScale) src = img[rX + (rY * w)];
else src = _interpDownScaler(img, w, h, rX, rY, halfScale);
*dst = src + ALPHA_BLEND(*dst, surface->blender.ialpha(src));
*dst = src;
}
}
return true;
@ -954,7 +953,7 @@ static bool _rasterUpScaledSolidImage(SwSurface* surface, const SwImage* image,
uint32_t src;
if (rX == w - 1 || rY == h - 1) src = img[rX + (rY * w)];
else src = _interpUpScaler(img, w, h, fX, fY);
*dst = src + ALPHA_BLEND(*dst, surface->blender.ialpha(src));
*dst = src;
}
}
return true;
@ -1041,7 +1040,7 @@ static bool _rasterDirectSolidImage(SwSurface* surface, const SwImage* image, co
auto dst = dbuffer;
auto src = sbuffer;
for (auto x = region.min.x; x < region.max.x; x++, dst++, src++) {
*dst = *src + ALPHA_BLEND(*dst, surface->blender.ialpha(*src));
*dst = *src;
}
dbuffer += surface->stride;
sbuffer += image->stride;