From: Dave Airlie <airlied@redhat.com>
Date: Sun, 24 Apr 2011 01:04:46 +0000 (+1000)
Subject: r600g: fix glsl-fs-abs-neg
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=6372660d122f4056dffb56d1b93dbd1bbc661f67;p=mesa.git

r600g: fix glsl-fs-abs-neg

the hw does neg after abs, so don't neg the source in the ABS instruction case.

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 188cea0ff88..2f901be28fa 100644
--- a/src/gallium/drivers/r600/r600_shader.c
+++ b/src/gallium/drivers/r600/r600_shader.c
@@ -911,6 +911,8 @@ static int tgsi_op2_s(struct r600_shader_ctx *ctx, int swap)
 			break;
 		case TGSI_OPCODE_ABS:
 			alu.src[0].abs = 1;
+			if (alu.src[0].neg)
+			  alu.src[0].neg = 0;
 			break;
 		default:
 			break;