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gallium: optimizations to flatshade, two-side prim stages

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This commit is contained in:
Brian 2008-01-25 08:15:04 -07:00
parent 48355538a6
commit a148cc51fb
2 changed files with 36 additions and 23 deletions
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28
src/mesa/pipe/draw/draw_flatshade.c
View file

@ -70,18 +70,31 @@ static void flatshade_begin( struct draw_stage *stage )
/** Copy all the color attributes from 'src' vertex to 'dst' vertex */
static INLINE void copy_colors( struct draw_stage *stage,
struct vertex_header *dst,
static INLINE void copy_colors( struct draw_stage *stage,
struct vertex_header *dst,
const struct vertex_header *src )
{
const struct flat_stage *flat = flat_stage(stage);
uint i;
/* Look for constant/flat attribs and duplicate from src to dst vertex */
/* skip attrib[0] which is vert pos */
for (i = 0; i < flat->num_color_attribs; i++) {
const uint attr = flat->color_attribs[i];
memcpy(dst->data[attr], src->data[attr], sizeof(src->data[0]));
COPY_4FV(dst->data[attr], src->data[attr]);
}
}
/** Copy all the color attributes from src vertex to dst0 & dst1 vertices */
static INLINE void copy_colors2( struct draw_stage *stage,
struct vertex_header *dst0,
struct vertex_header *dst1,
const struct vertex_header *src )
{
const struct flat_stage *flat = flat_stage(stage);
uint i;
for (i = 0; i < flat->num_color_attribs; i++) {
const uint attr = flat->color_attribs[i];
COPY_4FV(dst0->data[attr], src->data[attr]);
COPY_4FV(dst1->data[attr], src->data[attr]);
}
}
@ -101,8 +114,7 @@ static void flatshade_tri( struct draw_stage *stage,
tmp.v[1] = dup_vert(stage, header->v[1], 1);
tmp.v[2] = header->v[2];
copy_colors(stage, tmp.v[0], tmp.v[2]);
copy_colors(stage, tmp.v[1], tmp.v[2]);
copy_colors2(stage, tmp.v[0], tmp.v[1], tmp.v[2]);
stage->next->tri( stage->next, &tmp );
}

31
src/mesa/pipe/draw/draw_twoside.c
View file

@ -75,6 +75,12 @@ static void twoside_begin( struct draw_stage *stage )
}
}
if (!twoside->attrib_back0)
twoside->attrib_front0 = 0;
if (!twoside->attrib_back1)
twoside->attrib_front1 = 0;
/*
* We'll multiply the primitive's determinant by this sign to determine
* if the triangle is back-facing (negative).
@ -86,28 +92,23 @@ static void twoside_begin( struct draw_stage *stage )
}
static INLINE void copy_attrib( unsigned attr_dst,
unsigned attr_src,
struct vertex_header *v )
{
COPY_4FV(v->data[attr_dst], v->data[attr_src]);
}
/**
* Copy back color(s) to front color(s).
*/
static struct vertex_header *copy_bfc( struct twoside_stage *twoside,
const struct vertex_header *v,
unsigned idx )
static INLINE struct vertex_header *
copy_bfc( struct twoside_stage *twoside,
const struct vertex_header *v,
unsigned idx )
{
struct vertex_header *tmp = dup_vert( &twoside->stage, v, idx );
if (twoside->attrib_front0 && twoside->attrib_back0) {
copy_attrib(twoside->attrib_front0, twoside->attrib_back0, tmp);
if (twoside->attrib_back0) {
COPY_4FV(tmp->data[twoside->attrib_front0],
tmp->data[twoside->attrib_back0]);
}
if (twoside->attrib_front1 && twoside->attrib_back1) {
copy_attrib(twoside->attrib_front1, twoside->attrib_back1, tmp);
if (twoside->attrib_back1) {
COPY_4FV(tmp->data[twoside->attrib_front1],
tmp->data[twoside->attrib_back1]);
}
return tmp;