Mesa (master): i965: Respect VS/VP point size result when enabled.

[Eric Anholt]

Module: Mesa
Branch: master
Commit: 63ba1ec3c1192a1b7299e5768e7721638cd5fa0b
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=63ba1ec3c1192a1b7299e5768e7721638cd5fa0b

Author: Eric Anholt <eric at anholt.net>
Date:   Thu Jul 22 10:04:24 2010 -0700

i965: Respect VS/VP point size result when enabled.

Fixes glsl-vs-point-size.

---

 src/mesa/drivers/dri/i965/brw_sf_state.c |    7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_sf_state.c b/src/mesa/drivers/dri/i965/brw_sf_state.c
index e290ca9..914f275 100644
--- a/src/mesa/drivers/dri/i965/brw_sf_state.c
+++ b/src/mesa/drivers/dri/i965/brw_sf_state.c
@@ -130,7 +130,7 @@ struct brw_sf_unit_key {
    unsigned scissor:1;
    unsigned line_smooth:1;
    unsigned point_sprite:1;
-   unsigned point_attenuated:1;
+   unsigned use_vs_point_size:1;
    unsigned render_to_fbo:1;
    float line_width;
    float point_size;
@@ -164,7 +164,8 @@ sf_unit_populate_key(struct brw_context *brw, struct brw_sf_unit_key *key)
 
    key->point_sprite = ctx->Point.PointSprite;
    key->point_size = CLAMP(ctx->Point.Size, ctx->Point.MinSize, ctx->Point.MaxSize);
-   key->point_attenuated = ctx->Point._Attenuated;
+   key->use_vs_point_size = (ctx->VertexProgram.PointSizeEnabled ||
+			     ctx->Point._Attenuated);
 
    /* _NEW_LIGHT */
    key->pv_first = (ctx->Light.ProvokingVertex == GL_FIRST_VERTEX_CONVENTION);
@@ -296,7 +297,7 @@ sf_unit_create_from_key(struct brw_context *brw, struct brw_sf_unit_key *key,
    /* _NEW_POINT */
    sf.sf7.sprite_point = key->point_sprite;
    sf.sf7.point_size = CLAMP(rint(key->point_size), 1, 255) * (1<<3);
-   sf.sf7.use_point_size_state = !key->point_attenuated;
+   sf.sf7.use_point_size_state = !key->use_vs_point_size;
    sf.sf7.aa_line_distance_mode = 0;
 
    /* might be BRW_NEW_PRIMITIVE if we have to adjust pv for polygons: