diff options
Diffstat (limited to 'src/gallium/auxiliary/draw')
-rw-r--r-- | src/gallium/auxiliary/draw/draw_pipe_offset.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/draw/draw_pipe_offset.c b/src/gallium/auxiliary/draw/draw_pipe_offset.c index 8afbbfa1569..3da52b10624 100644 --- a/src/gallium/auxiliary/draw/draw_pipe_offset.c +++ b/src/gallium/auxiliary/draw/draw_pipe_offset.c @@ -43,6 +43,7 @@ struct offset_stage { float scale; float units; + float clamp; }; @@ -90,6 +91,10 @@ static void do_offset_tri( struct draw_stage *stage, float zoffset = offset->units + MAX2(dzdx, dzdy) * offset->scale; + if (offset->clamp) + zoffset = (offset->clamp < 0.0f) ? MAX2(zoffset, offset->clamp) : + MIN2(zoffset, offset->clamp); + /* * Note: we're applying the offset and clamping per-vertex. * Ideally, the offset is applied per-fragment prior to fragment shading. @@ -125,6 +130,7 @@ static void offset_first_tri( struct draw_stage *stage, offset->units = (float) (stage->draw->rasterizer->offset_units * stage->draw->mrd); offset->scale = stage->draw->rasterizer->offset_scale; + offset->clamp = stage->draw->rasterizer->offset_clamp; stage->tri = offset_tri; stage->tri( stage, header ); |