diff options
Diffstat (limited to 'src/blitter/32bpp_sse2.cpp')
| -rw-r--r-- | src/blitter/32bpp_sse2.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/blitter/32bpp_sse2.cpp b/src/blitter/32bpp_sse2.cpp index ddaa352e2..fa43eb4c5 100644 --- a/src/blitter/32bpp_sse2.cpp +++ b/src/blitter/32bpp_sse2.cpp @@ -56,6 +56,7 @@ inline void Blitter_32bppSSE2::Draw(const Blitter::BlitterParams *bp, ZoomLevel if (mode == BM_COLOUR_REMAP) src_mv = src_mv_line; if (read_mode == RM_WITH_MARGIN) { + assert(bt_last == BT_NONE); // or you must ensure block type is preserved src += src_rgba_line[0].data; dst += src_rgba_line[0].data; if (mode == BM_COLOUR_REMAP) src_mv += src_rgba_line[0].data; @@ -181,7 +182,7 @@ void Blitter_32bppSSE2::Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomL Sprite *Blitter_32bppSSE_Base::Encode(const SpriteLoader::Sprite *sprite, AllocatorProc *allocator) { - /* First uint32 of a line = ~1 & the number of transparent pixels from the left. + /* First uint32 of a line = the number of transparent pixels from the left. * Second uint32 of a line = the number of transparent pixels from the right. * Then all RGBA then all MV. */ @@ -261,7 +262,7 @@ Sprite *Blitter_32bppSSE_Base::Encode(const SpriteLoader::Sprite *sprite, Alloca else break; dst_rgba++; } - (*dst_rgba_line).data = nb_pix_transp & ~1; // "& ~1" to preserve the last block type + (*dst_rgba_line).data = nb_pix_transp; Colour *nb_right = dst_rgba_line + 1; dst_rgba_line = (Colour*) ((byte*) dst_rgba_line + sd.infos[z].sprite_line_size); @@ -274,7 +275,7 @@ Sprite *Blitter_32bppSSE_Base::Encode(const SpriteLoader::Sprite *sprite, Alloca else break; dst_rgba--; } - (*nb_right).data = nb_pix_transp; // no "& ~1" here, must be done when we know bp->width + (*nb_right).data = nb_pix_transp; } } |