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draw: Add new util function draw_pt_trim_count. 

draw_pt_trim_count is renamed from trim in draw_pt.c.
This commit is contained in:
Chia-I Wu 2010-08-07 14:37:26 +08:00
parent 9d2be38fad
commit 56213a64fe
3 changed files with 9 additions and 10 deletions
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11
src/gallium/auxiliary/draw/draw_pt.c
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@ -47,15 +47,6 @@ DEBUG_GET_ONCE_BOOL_OPTION(draw_no_fse, "DRAW_NO_FSE", FALSE)
DEBUG_GET_ONCE_BOOL_OPTION(draw_use_llvm, "DRAW_USE_LLVM", TRUE)
#endif
static unsigned trim( unsigned count, unsigned first, unsigned incr )
{
if (count < first)
return 0;
return count - (count - first) % incr;
}
/* Overall we split things into:
* - frontend -- prepare fetch_elts, draw_elts - eg vcache
* - middle -- fetch, shade, cliptest, viewport
@ -77,7 +68,7 @@ draw_pt_arrays(struct draw_context *draw,
{
unsigned first, incr;
draw_pt_split_prim(prim, &first, &incr);
count = trim(count, first, incr);
count = draw_pt_trim_count(count, first, incr);
if (count < first)
return TRUE;
}

1
src/gallium/auxiliary/draw/draw_pt.h
View File

@ -240,6 +240,7 @@ void draw_pt_post_vs_destroy( struct pt_post_vs *pvs );
* Utils:
*/
void draw_pt_split_prim(unsigned prim, unsigned *first, unsigned *incr);
unsigned draw_pt_trim_count(unsigned count, unsigned first, unsigned incr);
#endif

7
src/gallium/auxiliary/draw/draw_pt_util.c
View File

@ -92,3 +92,10 @@ void draw_pt_split_prim(unsigned prim, unsigned *first, unsigned *incr)
break;
}
}
unsigned draw_pt_trim_count(unsigned count, unsigned first, unsigned incr)
{
if (count < first)
return 0;
return count - (count - first) % incr;
}