From b832ae8a4a77563c50a6e82c49b4732f6a0dbf11 Mon Sep 17 00:00:00 2001 From: "Xiang, Haihao" Date: Mon, 27 Dec 2010 16:39:08 +0800 Subject: [PATCH] i965: don't spawn GS thread for LINELOOP on Sandybridge LINELOOP is converted to LINESTRIP at the beginning of the 3D pipeline. This fixes https://bugs.freedesktop.org/show_bug.cgi?id=32596 --- src/mesa/drivers/dri/i965/brw_gs.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/src/mesa/drivers/dri/i965/brw_gs.c b/src/mesa/drivers/dri/i965/brw_gs.c index 73b41fdbcef..70c451d071d 100644 --- a/src/mesa/drivers/dri/i965/brw_gs.c +++ b/src/mesa/drivers/dri/i965/brw_gs.c @@ -96,6 +96,9 @@ static void compile_gs_prog( struct brw_context *brw, brw_gs_quad_strip( &c, key ); break; case GL_LINE_LOOP: + /* Gen6: LINELOOP is converted to LINESTRIP at the beginning of the 3D pipeline */ + if (intel->gen == 6) + return; brw_gs_lines( &c ); break; case GL_LINES: @@ -189,7 +192,7 @@ static void populate_key( struct brw_context *brw, } if (intel->gen == 6) - prim_gs_always = brw->primitive == GL_LINE_LOOP; + prim_gs_always = 0; else prim_gs_always = brw->primitive == GL_QUADS || brw->primitive == GL_QUAD_STRIP || -- 2.30.2