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| author | Vicent Marti | 2008-09-19 17:15:20 +0000 |
|---|---|---|
| committer | Vicent Marti | 2008-09-19 17:15:20 +0000 |
| commit | c7e07102b69a5fd66a89605c619e008060744bf4 (patch) | |
| tree | a93afc9c4bbda4e06dfd1d5ece308f899321b882 /graphics | |
| parent | 81715eae04f522af5a39645f97e5c88f10ccef67 (diff) | |
| download | scummvm-rg350-c7e07102b69a5fd66a89605c619e008060744bf4.tar.gz scummvm-rg350-c7e07102b69a5fd66a89605c619e008060744bf4.tar.bz2 scummvm-rg350-c7e07102b69a5fd66a89605c619e008060744bf4.zip | |
Unrolled a loop.
Misc fixes.
svn-id: r34604
Diffstat (limited to 'graphics')
| -rw-r--r-- | graphics/VectorRendererSpec.cpp | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/graphics/VectorRendererSpec.cpp b/graphics/VectorRendererSpec.cpp index b129bbfc79..375dfca20a 100644 --- a/graphics/VectorRendererSpec.cpp +++ b/graphics/VectorRendererSpec.cpp @@ -372,16 +372,27 @@ applyScreenShading(GUI::Theme::ShadingStyle shadingStyle) { uint8 r, g, b; uint lum; - uint32 shiftMask = (uint32)( + const uint32 shiftMask = (uint32)~( (1 << PixelFormat::kGreenShift) | (1 << PixelFormat::kRedShift) | - (1 << PixelFormat::kBlueShift)); - - shiftMask = (~shiftMask) >> 1; + (1 << PixelFormat::kBlueShift)) >> 1; if (shadingStyle == GUI::Theme::kShadingDim) { - while (pixels--) - *ptr++ = (*ptr >> 1) & shiftMask; + + int n = (pixels + 7) >> 3; + switch (pixels % 8) { + case 0: do { + *ptr++ = (*ptr >> 1) & shiftMask; + case 7: *ptr++ = (*ptr >> 1) & shiftMask; + case 6: *ptr++ = (*ptr >> 1) & shiftMask; + case 5: *ptr++ = (*ptr >> 1) & shiftMask; + case 4: *ptr++ = (*ptr >> 1) & shiftMask; + case 3: *ptr++ = (*ptr >> 1) & shiftMask; + case 2: *ptr++ = (*ptr >> 1) & shiftMask; + case 1: *ptr++ = (*ptr >> 1) & shiftMask; + } while (--n > 0); + } + } else if (shadingStyle == GUI::Theme::kShadingLuminance) { while (pixels--) { colorToRGB<PixelFormat>(*ptr, r, g, b); |