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-rw-r--r--src/gallium/drivers/softpipe/sp_setup.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/gallium/drivers/softpipe/sp_setup.c b/src/gallium/drivers/softpipe/sp_setup.c
index c6844a2649..7d248186fd 100644
--- a/src/gallium/drivers/softpipe/sp_setup.c
+++ b/src/gallium/drivers/softpipe/sp_setup.c
@@ -1051,7 +1051,10 @@ setup_line_coefficients(struct setup_context *setup,
float area;
/* use setup->vmin, vmax to point to vertices */
- setup->vprovoke = v1;
+ if (softpipe->rasterizer->flatshade_first)
+ setup->vprovoke = v0;
+ else
+ setup->vprovoke = v1;
setup->vmin = v0;
setup->vmax = v1;