i965: Advertise a line width of 40.0 on Cherryview and Skylake.

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@whitecape.org>
Reviewed-by: Kristian Høgsberg <krh@bitplanet.net>

diff --git a/src/mesa/drivers/dri/i965/brw_context.c b/src/mesa/drivers/dri/i965/brw_context.c
index eaabd43808e73c156f9d70cc6d218c3320778f4c..8b0f391ecda8243e460bc7ec968451f54cc1e54b 100644 (file)
--- 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;