From: Alex Deucher <alexdeucher@gmail.com>
Date: Tue, 21 Jul 2009 17:28:12 +0000 (-0400)
Subject: r600: set provoking vertex to last vertex for OGL
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=5a615e7e653c1aeab280c6ddfdba3ecb763302ec;p=mesa.git

r600: set provoking vertex to last vertex for OGL
---

diff --git a/src/mesa/drivers/dri/r600/r700_state.c b/src/mesa/drivers/dri/r600/r700_state.c
index d54c6e5c146..9f7e45a4b78 100644
--- a/src/mesa/drivers/dri/r600/r700_state.c
+++ b/src/mesa/drivers/dri/r600/r700_state.c
@@ -1557,6 +1557,9 @@ void r700InitState(GLcontext * ctx) //-------------------
     CLEARfield(r700->PA_SU_POINT_MINMAX.u32All, MIN_SIZE_mask);
     SETfield(r700->PA_SU_POINT_MINMAX.u32All, 0x8000, MAX_SIZE_shift, MAX_SIZE_mask);
 
+    /* GL uses last vtx for flat shading components */
+    SETbit(r700->PA_SU_SC_MODE_CNTL.u32All, PROVOKING_VTX_LAST_bit);
+
     /* Set up line control */
     SETfield(r700->PA_SU_LINE_CNTL.u32All, 0x8,
              PA_SU_LINE_CNTL__WIDTH_shift, PA_SU_LINE_CNTL__WIDTH_mask);