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path: root/src/mesa/main/texcompress_rgtc.c
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Diffstat (limited to 'src/mesa/main/texcompress_rgtc.c')
-rw-r--r--src/mesa/main/texcompress_rgtc.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/mesa/main/texcompress_rgtc.c b/src/mesa/main/texcompress_rgtc.c
index 6b4e3b13cb..1b873035b6 100644
--- a/src/mesa/main/texcompress_rgtc.c
+++ b/src/mesa/main/texcompress_rgtc.c
@@ -364,7 +364,7 @@ static void _fetch_texel_rgtc_s(GLint srcRowStride, const GLbyte *pixdata,
else if (code < 6)
decode = ((alpha0 * (6 - code) + (alpha1 * (code - 1))) / 5);
else if (code == 6)
- decode = -127;
+ decode = -128;
else
decode = 127;
@@ -442,8 +442,8 @@ _mesa_fetch_texel_2d_f_signed_rg_rgtc2(const struct gl_texture_image *texImage,
#define TAG(x) signed_##x
#define TYPE GLbyte
-#define T_MIN (GLbyte)-127
-#define T_MAX (GLbyte)128
+#define T_MIN (GLbyte)-128
+#define T_MAX (GLbyte)127
#include "texcompress_rgtc_tmp.h"