fabs/rotate-me-fast
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

Remove temp tile.

Browse source
This commit is contained in:
Fabien Freling 2014-07-08 08:48:17 +02:00
parent 9a9db2d4fd
commit edb9ef7dd8
2 changed files with 3 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
TODO.md
View file

@ -10,10 +10,10 @@
# Cache # Cache
[-] Rotate per channel -> no gain [-] Rotate per channel -> no gain
[ ] Load pixels in uint64-t [ ] Load pixels in 64-bit variable
[X] Cut image in tiles [X] Cut image in tiles
[ ] Overlap? [ ] Overlap?
[X] Rotate in one temp tile then copy/move it [-] Rotate in one temp tile then copy/move it
[-] Align memory -> no gain [-] Align memory -> no gain
# Quality # Quality

7
rotation.cpp
View file

@ -787,9 +787,6 @@ rotate(TiledImage<W, H> const& src, double angle)
DPoint const rot_origin_in_src_grid = get_mapped_point(*rotated, Point(0, 0), -rotation); DPoint const rot_origin_in_src_grid = get_mapped_point(*rotated, Point(0, 0), -rotation);
DPoint const rot_origin_in_src = convert_img_coord_precision(src, rot_origin_in_src_grid); DPoint const rot_origin_in_src = convert_img_coord_precision(src, rot_origin_in_src_grid);
uint8_t tile[W * H * 3];
memset(tile, 0, W * H * 3);
unsigned int const quantize = 8; unsigned int const quantize = 8;
int const& src_qwidth = src.width * quantize; int const& src_qwidth = src.width * quantize;
int const& src_qheight = src.height * quantize; int const& src_qheight = src.height * quantize;
@ -799,6 +796,7 @@ rotate(TiledImage<W, H> const& src, double angle)
for (unsigned int x = 0; x < rotated->nb_col_tile; ++x) for (unsigned int x = 0; x < rotated->nb_col_tile; ++x)
{ {
unsigned int const rot_tile_index = y * rotated->nb_col_tile + x; unsigned int const rot_tile_index = y * rotated->nb_col_tile + x;
uint8_t* tile = rotated->tiles[rot_tile_index];
unsigned int rot_index = 0; unsigned int rot_index = 0;
for (unsigned int j = 0; j < H; ++j) for (unsigned int j = 0; j < H; ++j)
@ -822,9 +820,6 @@ rotate(TiledImage<W, H> const& src, double angle)
rot_index += 3; rot_index += 3;
} }
} }
memcpy(rotated->tiles[rot_tile_index], tile, W * H * 3);
memset(tile, 0, W * H * 3);
} }
} }