We just add another field to gen8.xml for the Cherryview line width,
rather than trying to replicate the gymnastics done in the Vulkan
driver to use gen9 SF pack functions.
---
src/intel/genxml/gen8.xml | 1 +
src/mesa/drivers/dri/i965/genX_state_upload.c | 7 +++++++
2 files changed, 8 insertions(+)
diff --git a/src/intel/genxml/gen8.xml b/src/intel/genxml/gen8.xml
index c57ddb41a16..13924665601 100644
--- a/src/intel/genxml/gen8.xml
+++ b/src/intel/genxml/gen8.xml
@@ -2032,6 +2032,7 @@
<field name="Legacy Global Depth Bias Enable" start="43" end="43"
type="bool"/>
<field name="Statistics Enable" start="42" end="42" type="bool"/>
<field name="Viewport Transform Enable" start="33" end="33" type="bool"/>
+ <field name="CHV Line Width" start="44" end="61" type="u11.7"/>
<field name="Line Width" start="82" end="91" type="u3.7"/>
<field name="Line End Cap Antialiasing Region Width" start="80" end="81"
type="uint">
<value name="0.5 pixels" value="0"/>
diff --git a/src/mesa/drivers/dri/i965/genX_state_upload.c
b/src/mesa/drivers/dri/i965/genX_state_upload.c
index ceeacfcdef7..b6aa7c84d1d 100644
--- a/src/mesa/drivers/dri/i965/genX_state_upload.c
+++ b/src/mesa/drivers/dri/i965/genX_state_upload.c
@@ -1379,7 +1379,14 @@ genX(upload_sf)(struct brw_context *brw)
#endif
/* _NEW_LINE */
+#if GEN_GEN == 8
+ if (brw->is_cherryview)
+ sf.CHVLineWidth = brw_get_line_width_float(brw);
+ else
+ sf.LineWidth = brw_get_line_width_float(brw);
+#else
sf.LineWidth = brw_get_line_width_float(brw);
+#endif
if (ctx->Line.SmoothFlag) {
sf.LineEndCapAntialiasingRegionWidth = _10pixels;
--
2.12.2
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