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| al_draw_bitmap speed? |
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Alianix
Member #10,518
December 2008
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Just curious does anyone have an idea whether in general al_draw_bitmap or al_draw_bitmap_region is faster if the target bitmap is the same and the source bitmap is the same?
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GullRaDriel
Member #3,861
September 2003
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Just make a bench you lazy fool. "Code is like shit - it only smells if it is not yours" |
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Alianix
Member #10,518
December 2008
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Gosh man you're a genius, but I think you knew that already!
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SiegeLord
Member #7,827
October 2006
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Let me answer this question with an excerpt from Allegro's source: 1/* Function: al_draw_tinted_bitmap
2 */
3void al_draw_tinted_bitmap(ALLEGRO_BITMAP *bitmap, ALLEGRO_COLOR tint,
4 float dx, float dy, int flags)
5{
6 ASSERT(bitmap);
7 al_draw_tinted_bitmap_region(bitmap, tint, 0, 0,
8 bitmap->w, bitmap->h, dx, dy, flags);
9}
10
11
12/* Function: al_draw_bitmap
13 */
14void al_draw_bitmap(ALLEGRO_BITMAP *bitmap, float dx, float dy, int flags)
15{
16 al_draw_tinted_bitmap(bitmap, solid_white, dx, dy, flags);
17}
18
19
20/* Function: al_draw_bitmap_region
21 */
22void al_draw_bitmap_region(ALLEGRO_BITMAP *bitmap,
23 float sx, float sy, float sw, float sh, float dx, float dy, int flags)
24{
25 al_draw_tinted_bitmap_region(bitmap, solid_white, sx, sy, sw, sh,
26 dx, dy, flags);
27}
"For in much wisdom is much grief: and he that increases knowledge increases sorrow."-Ecclesiastes 1:18 |
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Alianix
Member #10,518
December 2008
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That explains it, thank you Siege
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