Mesa (master): vc4: Add support for line width setting.

[Eric Anholt]

Module: Mesa
Branch: master
Commit: f24588d64e6be50068883d484c8d759fb8979750
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=f24588d64e6be50068883d484c8d759fb8979750

Author: Eric Anholt <eric at anholt.net>
Date:   Wed Sep 24 14:12:35 2014 -0700

vc4: Add support for line width setting.

I don't see piglit tests for it, but this should be better than not
emitting it at all.

---

 src/gallium/drivers/vc4/vc4_emit.c   |    3 +++
 src/gallium/drivers/vc4/vc4_screen.c |    2 ++
 2 files changed, 5 insertions(+)

diff --git a/src/gallium/drivers/vc4/vc4_emit.c b/src/gallium/drivers/vc4/vc4_emit.c
index 49f0010..0f533f0 100644
--- a/src/gallium/drivers/vc4/vc4_emit.c
+++ b/src/gallium/drivers/vc4/vc4_emit.c
@@ -53,6 +53,9 @@ vc4_emit_state(struct pipe_context *pctx)
                 cl_u8(&vc4->bcl, VC4_PACKET_DEPTH_OFFSET);
                 cl_u16(&vc4->bcl, vc4->rasterizer->offset_factor);
                 cl_u16(&vc4->bcl, vc4->rasterizer->offset_units);
+
+                cl_u8(&vc4->bcl, VC4_PACKET_LINE_WIDTH);
+                cl_f(&vc4->bcl, vc4->rasterizer->base.line_width);
         }
 
         if (vc4->dirty & VC4_DIRTY_VIEWPORT) {
diff --git a/src/gallium/drivers/vc4/vc4_screen.c b/src/gallium/drivers/vc4/vc4_screen.c
index 81a29a5..4472efd 100644
--- a/src/gallium/drivers/vc4/vc4_screen.c
+++ b/src/gallium/drivers/vc4/vc4_screen.c
@@ -239,6 +239,8 @@ vc4_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
         switch (param) {
         case PIPE_CAPF_MAX_LINE_WIDTH:
         case PIPE_CAPF_MAX_LINE_WIDTH_AA:
+                return 32;
+
         case PIPE_CAPF_MAX_POINT_WIDTH:
         case PIPE_CAPF_MAX_POINT_WIDTH_AA:
                 return 8192.0f;