diff options
Diffstat (limited to 'graphics/scaler')
| -rw-r--r-- | graphics/scaler/aspect.cpp | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/graphics/scaler/aspect.cpp b/graphics/scaler/aspect.cpp index 64a1cd1534..943395aff3 100644 --- a/graphics/scaler/aspect.cpp +++ b/graphics/scaler/aspect.cpp @@ -57,19 +57,6 @@ static inline void interpolate5Line(uint16 *dst, const uint16 *srcA, const uint1 template<typename ColorMask, int scale> static inline void interpolate5Line(uint16 *dst, const uint16 *srcA, const uint16 *srcB, int width) { - // For efficiency reasons we blit two pixels at a time, so it is important - // that makeRectStretchable() guarantees that the width is even and that - // the rect starts on a well-aligned address. (Even where unaligned memory - // access is allowed there may be a speed penalty for it.) - - // These asserts are disabled for maximal speed; but I leave them in here - // in case other people want to test if the memory alignment (to an - // address divisible by 4) is really working properly. - //assert(((int)dst & 3) == 0); - //assert(((int)srcA & 3) == 0); - //assert(((int)srcB & 3) == 0); - //assert((width & 1) == 0); - if (scale == 1) { while (width--) { *dst++ = interpolate16_7_1<ColorMask>(*srcB++, *srcA++); @@ -86,6 +73,18 @@ static inline void interpolate5Line(uint16 *dst, const uint16 *srcA, const uint1 template<typename ColorMask, int scale> static inline void interpolate5Line(uint16 *dst, const uint16 *srcA, const uint16 *srcB, int width) { + // For efficiency reasons we blit two pixels at a time, so it is important + // that makeRectStretchable() guarantees that the width is even and that + // the rect starts on a well-aligned address. (Even where unaligned memory + // access is allowed there may be a speed penalty for it.) + + // These asserts are disabled for maximal speed; but I leave them in here + // in case other people want to test if the memory alignment (to an + // address divisible by 4) is really working properly. + //assert(((int)dst & 3) == 0); + //assert(((int)srcA & 3) == 0); + //assert(((int)srcB & 3) == 0); + //assert((width & 1) == 0); width /= 2; const uint32 *sA = (const uint32 *)srcA; |