From: Dave Airlie <airlied@redhat.com>
Date: Thu, 24 Feb 2011 23:13:14 +0000 (+1000)
Subject: r600g: explicity set sign bits for RGTC
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b2413de91682e3908d8ab1635956a290f603681c;p=mesa.git

r600g: explicity set sign bits for RGTC
---

diff --git a/src/gallium/drivers/r600/r600_texture.c b/src/gallium/drivers/r600/r600_texture.c
index 87143ee54cc..3a85a25065a 100644
--- a/src/gallium/drivers/r600/r600_texture.c
+++ b/src/gallium/drivers/r600/r600_texture.c
@@ -878,12 +878,14 @@ uint32_t r600_translate_texformat(enum pipe_format format,
 			goto out_unknown;
 
 		switch (format) {
-		case PIPE_FORMAT_RGTC1_UNORM:
 		case PIPE_FORMAT_RGTC1_SNORM:
+			word4 |= sign_bit[0];
+		case PIPE_FORMAT_RGTC1_UNORM:
 			result = FMT_BC4;
 			goto out_word4;
-		case PIPE_FORMAT_RGTC2_UNORM:
 		case PIPE_FORMAT_RGTC2_SNORM:
+			word4 |= sign_bit[0] | sign_bit[1];
+		case PIPE_FORMAT_RGTC2_UNORM:
 			result = FMT_BC5;
 			goto out_word4;
 		default: