diff options
| author | Eric Anholt <eric@anholt.net> | 2009-08-04 11:28:26 -0700 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2009-08-04 15:32:18 -0700 |
| commit | de80eeea0eebf00ee678b1a0fbd5fe67b00a8636 (patch) | |
| tree | 2a59f8cfc8ff21d08ab3bb2f5ae01674dc602c75 /src/mesa/drivers/dri/i965/brw_sf_state.c | |
| parent | b010814e9c7ed30cbdd60a49d81a6ea774c8c3a3 (diff) | |
intel: Add support for EXT_provoking_vertex.
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_sf_state.c')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_sf_state.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_sf_state.c b/src/mesa/drivers/dri/i965/brw_sf_state.c index b5f6371c82..a964cb26c9 100644 --- a/src/mesa/drivers/dri/i965/brw_sf_state.c +++ b/src/mesa/drivers/dri/i965/brw_sf_state.c @@ -113,7 +113,7 @@ struct brw_sf_unit_key { unsigned int nr_urb_entries, urb_size, sfsize; - GLenum front_face, cull_face; + GLenum front_face, cull_face, provoking_vertex; unsigned scissor:1; unsigned line_smooth:1; unsigned point_sprite:1; @@ -153,6 +153,9 @@ sf_unit_populate_key(struct brw_context *brw, struct brw_sf_unit_key *key) key->point_size = CLAMP(ctx->Point.Size, ctx->Point.MinSize, ctx->Point.MaxSize); key->point_attenuated = ctx->Point._Attenuated; + /* _NEW_LIGHT */ + key->provoking_vertex = ctx->Light.ProvokingVertex; + key->render_to_fbo = brw->intel.ctx.DrawBuffer->Name != 0; } @@ -284,9 +287,15 @@ sf_unit_create_from_key(struct brw_context *brw, struct brw_sf_unit_key *key, /* might be BRW_NEW_PRIMITIVE if we have to adjust pv for polygons: */ - sf.sf7.trifan_pv = 2; - sf.sf7.linestrip_pv = 1; - sf.sf7.tristrip_pv = 2; + if (key->provoking_vertex == GL_LAST_VERTEX_CONVENTION) { + sf.sf7.trifan_pv = 2; + sf.sf7.linestrip_pv = 1; + sf.sf7.tristrip_pv = 2; + } else { + sf.sf7.trifan_pv = 1; + sf.sf7.linestrip_pv = 0; + sf.sf7.tristrip_pv = 0; + } sf.sf7.line_last_pixel_enable = 0; /* Set bias for OpenGL rasterization rules: @@ -340,6 +349,7 @@ static void upload_sf_unit( struct brw_context *brw ) const struct brw_tracked_state brw_sf_unit = { .dirty = { .mesa = (_NEW_POLYGON | + _NEW_LIGHT | _NEW_LINE | _NEW_POINT | _NEW_SCISSOR | |