diff options
| author | Brian <brian@poulsbo.localnet.net> | 2008-02-26 14:29:35 -0700 |
|---|---|---|
| committer | Brian <brian@poulsbo.localnet.net> | 2008-02-26 14:32:57 -0700 |
| commit | 5e29aab1752c3e07ae2ebde4cb00e6550dab0eb2 (patch) | |
| tree | 87524f95d1c7900c3e38ddaeadc1910c8de813e8 /src/gallium/auxiliary/draw/draw_wide_prims.c | |
| parent | b93cf55f4ecd94f5e9d5dda49d9092e3b769d044 (diff) | |
gallium: replace draw_convert_wide_points() with draw_wide_point_threshold()
Specifying a threshold size is a bit more flexible, and allows the option
of converting even 1-pixel points to triangles (set threshold=0).
Also, remove 0.25 pixel bias in wide_point().
Diffstat (limited to 'src/gallium/auxiliary/draw/draw_wide_prims.c')
| -rw-r--r-- | src/gallium/auxiliary/draw/draw_wide_prims.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/gallium/auxiliary/draw/draw_wide_prims.c b/src/gallium/auxiliary/draw/draw_wide_prims.c index 1f8069bdca..d967810dd4 100644 --- a/src/gallium/auxiliary/draw/draw_wide_prims.c +++ b/src/gallium/auxiliary/draw/draw_wide_prims.c @@ -219,8 +219,8 @@ static void wide_point( struct draw_stage *stage, half_size = wide->half_point_size; } - left_adj = -half_size + 0.25f; - right_adj = half_size + 0.25f; + left_adj = -half_size; /* + 0.25f;*/ + right_adj = half_size; /* + 0.25f;*/ pos0[0] += left_adj; pos0[1] -= half_size; @@ -266,7 +266,8 @@ static void wide_first_point( struct draw_stage *stage, wide->half_point_size = 0.5f * draw->rasterizer->point_size; - if (draw->rasterizer->point_size != 1.0) { + /* XXX we won't know the real size if it's computed by the vertex shader! */ + if (draw->rasterizer->point_size > draw->wide_point_threshold) { stage->point = wide_point; } else { |