thirdparty/scummvm
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svn-id: r10448
This commit is contained in:
Max Horn 2003-09-27 23:11:26 +00:00
parent 9b27f7307a
commit b2b9a7cb07
1 changed files with 2 additions and 2 deletions
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4
common/scaler.cpp
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@ -666,14 +666,14 @@ void DotMatrix(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPi
static int RGBtoYUV[65536]; static int RGBtoYUV[65536];
// Interpolate two 16 bit pixels with the given weights. /** Interpolate two 16 bit pixels with the weights specified in the template parameters. */
template<int w1, int w2> template<int w1, int w2>
static inline uint16 interpolate16_2(uint16 p1, uint16 p2) { static inline uint16 interpolate16_2(uint16 p1, uint16 p2) {
return ((((p1 & redblueMask) * w1 + (p2 & redblueMask) * w2) / (w1 + w2)) & redblueMask) | return ((((p1 & redblueMask) * w1 + (p2 & redblueMask) * w2) / (w1 + w2)) & redblueMask) |
((((p1 & greenMask) * w1 + (p2 & greenMask) * w2) / (w1 + w2)) & greenMask); ((((p1 & greenMask) * w1 + (p2 & greenMask) * w2) / (w1 + w2)) & greenMask);
} }
// Interpolate three 16 bit pixels with the given weights. /** Interpolate three 16 bit pixels with the weights specified in the template parameters. */
template<int w1, int w2, int w3> template<int w1, int w2, int w3>
static inline uint16 interpolate16_3(uint16 p1, uint16 p2, uint16 p3) { static inline uint16 interpolate16_3(uint16 p1, uint16 p2, uint16 p3) {
return ((((p1 & redblueMask) * w1 + (p2 & redblueMask) * w2 + (p3 & redblueMask) * w3) / (w1 + w2 + w3)) & redblueMask) | return ((((p1 & redblueMask) * w1 + (p2 & redblueMask) * w2 + (p3 & redblueMask) * w3) / (w1 + w2 + w3)) & redblueMask) |