From: Vadim Girlin <vadimgirlin@gmail.com>
Date: Mon, 23 Jan 2012 11:58:31 +0000 (+0400)
Subject: r600g: fix interpolation with clipvertex
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=5a84cc4ebcc99fb029d5f855e8afa11fab09266a;p=mesa.git

r600g: fix interpolation with clipvertex

Signed-off-by: Vadim Girlin <vadimgirlin@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---

diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c
index aac1cd3afb2..46a9723bec2 100644
--- a/src/gallium/drivers/r600/r600_shader.c
+++ b/src/gallium/drivers/r600/r600_shader.c
@@ -979,6 +979,9 @@ static int r600_shader_from_tgsi(struct r600_pipe_context * rctx, struct r600_pi
 		shader->output[noutput].gpr = ctx.temp_reg+1;
 		noutput++;
 
+		/* reset spi_sid for clipvertex output to avoid confusing spi */
+		shader->output[ctx.cv_output].spi_sid = 0;
+
 		shader->clip_dist_write = 0xFF;
 
 		for (i = 0; i < 8; i++) {