Mesa (8.0): r600g: fix interpolation with clipvertex

Dave Airlie airlied at kemper.freedesktop.org
Tue Jan 24 11:07:19 UTC 2012


Module: Mesa
Branch: 8.0
Commit: f5b787b9e3aa0720c820e071d1f67b6879aaa71c
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=f5b787b9e3aa0720c820e071d1f67b6879aaa71c

Author: Vadim Girlin <vadimgirlin at gmail.com>
Date:   Mon Jan 23 15:58:31 2012 +0400

r600g: fix interpolation with clipvertex

Signed-off-by: Vadim Girlin <vadimgirlin at gmail.com>
Signed-off-by: Dave Airlie <airlied at redhat.com>
(cherry picked from commit 5a84cc4ebcc99fb029d5f855e8afa11fab09266a)

---

 src/gallium/drivers/r600/r600_shader.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c
index a32288c..45d491b 100644
--- a/src/gallium/drivers/r600/r600_shader.c
+++ b/src/gallium/drivers/r600/r600_shader.c
@@ -970,6 +970,9 @@ 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++) {




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