[Mesa-dev] [PATCH 1/2] u_format: fix RGTC support in fits 8unorm.

[Dave Airlie]

From: Dave Airlie <airlied at redhat.com>

Signed RGTC won't fit in a unorm, so don't allow them.

Signed-off-by: Dave Airlie <airlied at redhat.com>
---
 src/gallium/auxiliary/util/u_format.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/gallium/auxiliary/util/u_format.c b/src/gallium/auxiliary/util/u_format.c
index e07462a..f0f03e8 100644
--- a/src/gallium/auxiliary/util/u_format.c
+++ b/src/gallium/auxiliary/util/u_format.c
@@ -443,11 +443,14 @@ util_format_fits_8unorm(const struct util_format_description *format_desc)
    switch (format_desc->layout) {
 
    case UTIL_FORMAT_LAYOUT_S3TC:
-   case UTIL_FORMAT_LAYOUT_RGTC:
       /*
        * These are straight forward.
        */
-
+      return TRUE;
+   case UTIL_FORMAT_LAYOUT_RGTC:
+      if (format_desc->format == PIPE_FORMAT_RGTC1_SNORM ||
+          format_desc->format == PIPE_FORMAT_RGTC2_SNORM)
+         return FALSE;
       return TRUE;
 
    case UTIL_FORMAT_LAYOUT_PLAIN:
-- 
1.7.6.4