diff options
| author | Chris Forbes <chrisf@ijw.co.nz> | 2014-12-05 19:43:13 +1300 |
|---|---|---|
| committer | Emil Velikov <emil.l.velikov@gmail.com> | 2014-12-11 13:54:53 +0000 |
| commit | ffaf58e7d0f6bbce60401bc4bb851b9e4fc1a15e (patch) | |
| tree | d7339bfe254928e164d2b7f169ef99f9eecadcd8 | |
| parent | bb9dea8a29408efec42cb2ee9cb00c51ff6f5ef5 (diff) | |
i965/Gen6-7: Fix point sprites with PolygonMode(GL_POINT)
This was an oversight in the original patch. When PolygonMode is
used, then front faces, back faces, or both may be rendered as
points and are affected by point sprite state.
Note that SNB/IVB can't actually be fully conformant here, for
a legacy context -- we don't have separate sets of pointsprite
enables for front and back faces. Haswell ignores pointsprite
state correctly in hardware for non-point rasterization, so can
do this correctly, but it doesn't seem worth it.
Signed-off-by: Chris Forbes <chrisf@ijw.co.nz>
Cc: "10.4" <mesa-stable@lists.freedesktop.org>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=86764
Reviewed-by: Matt Turner <mattst88@gmail.com>
(cherry picked from commit ed56c16820aea0e115768d77861fe266380f2595)
| -rw-r--r-- | src/mesa/drivers/dri/i965/gen6_sf_state.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/gen6_sf_state.c b/src/mesa/drivers/dri/i965/gen6_sf_state.c index fd7c3958ff5..4d0d96769b3 100644 --- a/src/mesa/drivers/dri/i965/gen6_sf_state.c +++ b/src/mesa/drivers/dri/i965/gen6_sf_state.c @@ -133,6 +133,12 @@ static bool is_drawing_points(const struct brw_context *brw) { /* Determine if the primitives *reaching the SF* are points */ + /* _NEW_POLYGON */ + if (brw->ctx.Polygon.FrontMode == GL_POINT || + brw->ctx.Polygon.BackMode == GL_POINT) { + return true; + } + if (brw->geometry_program) { /* BRW_NEW_GEOMETRY_PROGRAM */ return brw->geometry_program->OutputType == GL_POINTS; |