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draw: respect flatshade_first in flatshade stage

This commit is contained in:
Keith Whitwell 2008-04-01 14:48:59 +01:00
parent 52f40dcc46
commit caa44763f7
1 changed files with 49 additions and 6 deletions
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55
src/gallium/auxiliary/draw/draw_flatshade.c
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@ -84,8 +84,25 @@ static INLINE void copy_colors2( struct draw_stage *stage,
* Flatshade tri. Required for clipping and when unfilled tris are
* active, otherwise handled by hardware.
*/
static void flatshade_tri( struct draw_stage *stage,
struct prim_header *header )
static void flatshade_tri_0( struct draw_stage *stage,
struct prim_header *header )
{
struct prim_header tmp;
tmp.det = header->det;
tmp.edgeflags = header->edgeflags;
tmp.v[0] = header->v[0];
tmp.v[1] = dup_vert(stage, header->v[1], 0);
tmp.v[2] = dup_vert(stage, header->v[2], 1);
copy_colors2(stage, tmp.v[1], tmp.v[2], tmp.v[0]);
stage->next->tri( stage->next, &tmp );
}
static void flatshade_tri_2( struct draw_stage *stage,
struct prim_header *header )
{
struct prim_header tmp;
@ -101,11 +118,27 @@ static void flatshade_tri( struct draw_stage *stage,
}
/**
* Flatshade line. Required for clipping.
*/
static void flatshade_line( struct draw_stage *stage,
struct prim_header *header )
static void flatshade_line_0( struct draw_stage *stage,
struct prim_header *header )
{
struct prim_header tmp;
tmp.v[0] = header->v[0];
tmp.v[1] = dup_vert(stage, header->v[1], 0);
copy_colors(stage, tmp.v[1], tmp.v[0]);
stage->next->line( stage->next, &tmp );
}
static void flatshade_line_1( struct draw_stage *stage,
struct prim_header *header )
{
struct prim_header tmp;
@ -118,6 +151,8 @@ static void flatshade_line( struct draw_stage *stage,
}
/* Flatshade point -- passthrough.
*/
static void flatshade_point( struct draw_stage *stage,
struct prim_header *header )
{
@ -140,8 +175,16 @@ static void flatshade_init_state( struct draw_stage *stage )
}
}
stage->line = flatshade_line;
stage->tri = flatshade_tri;
/* Choose flatshade routine according to provoking vertex:
*/
if (stage->draw->rasterizer->flatshade_first) {
stage->line = flatshade_line_0;
stage->tri = flatshade_tri_0;
}
else {
stage->line = flatshade_line_1;
stage->tri = flatshade_tri_2;
}
}
static void flatshade_first_tri( struct draw_stage *stage,