[Mesa-dev] [PATCH 4/4] i965: Advertise a line width of 40.0 on Cherryview and Skylake.

[Kenneth Graunke]

According to the documentation, line widths higher than 40.0 may have
quality problems.  That's already 20 times larger than we've been
exposing, so it seems totally sufficient.

Signed-off-by: Kenneth Graunke <kenneth at whitecape.org>
---
 src/mesa/drivers/dri/i965/brw_context.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/mesa/drivers/dri/i965/brw_context.c b/src/mesa/drivers/dri/i965/brw_context.c
index eaabd43..8b0f391 100644
--- a/src/mesa/drivers/dri/i965/brw_context.c
+++ b/src/mesa/drivers/dri/i965/brw_context.c
@@ -421,7 +421,11 @@ brw_initialize_context_constants(struct brw_context *brw)
 
    ctx->Const.MinLineWidth = 1.0;
    ctx->Const.MinLineWidthAA = 1.0;
-   if (brw->gen >= 6) {
+   if (brw->gen >= 9 || brw->is_cherryview) {
+      ctx->Const.MaxLineWidth = 40.0;
+      ctx->Const.MaxLineWidthAA = 40.0;
+      ctx->Const.LineWidthGranularity = 0.125;
+   } else if (brw->gen >= 6) {
       ctx->Const.MaxLineWidth = 7.875;
       ctx->Const.MaxLineWidthAA = 7.875;
       ctx->Const.LineWidthGranularity = 0.125;
-- 
2.1.2