Mesa (master): r300g: explicit sign bits on RGTC textures
Dave Airlie
airlied at kemper.freedesktop.org
Thu Feb 24 23:15:02 UTC 2011
Module: Mesa
Branch: master
Commit: 79ad6f5375253faff89bbc7eb6dc5949ba63e0ef
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=79ad6f5375253faff89bbc7eb6dc5949ba63e0ef
Author: Dave Airlie <airlied at redhat.com>
Date: Fri Feb 25 09:14:53 2011 +1000
r300g: explicit sign bits on RGTC textures
---
src/gallium/drivers/r300/r300_texture.c | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/src/gallium/drivers/r300/r300_texture.c b/src/gallium/drivers/r300/r300_texture.c
index 354144c..2db5ab9 100644
--- a/src/gallium/drivers/r300/r300_texture.c
+++ b/src/gallium/drivers/r300/r300_texture.c
@@ -214,11 +214,13 @@ uint32_t r300_translate_texformat(enum pipe_format format,
/* RGTC formats. */
if (desc->layout == UTIL_FORMAT_LAYOUT_RGTC) {
switch (format) {
- case PIPE_FORMAT_RGTC1_UNORM:
case PIPE_FORMAT_RGTC1_SNORM:
+ result |= sign_bit[0];
+ case PIPE_FORMAT_RGTC1_UNORM:
return R500_TX_FORMAT_ATI1N | result;
- case PIPE_FORMAT_RGTC2_UNORM:
case PIPE_FORMAT_RGTC2_SNORM:
+ result |= sign_bit[0] | sign_bit[1];
+ case PIPE_FORMAT_RGTC2_UNORM:
return R400_TX_FORMAT_ATI2N | result;
default:
return ~0; /* Unsupported/unknown. */
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