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-rw-r--r--src/mesa/main/mipmap.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mesa/main/mipmap.c b/src/mesa/main/mipmap.c
index 1dc51440c8e..9f3db22b75c 100644
--- a/src/mesa/main/mipmap.c
+++ b/src/mesa/main/mipmap.c
@@ -798,7 +798,7 @@ make_3d_mipmap(const struct gl_texture_format *format, GLint border,
static void
make_1d_stack_mipmap(const struct gl_texture_format *format, GLint border,
- GLint srcWidth, GLubyte *srcPtr,
+ GLint srcWidth, const GLubyte *srcPtr,
GLint dstWidth, GLint dstHeight, GLubyte *dstPtr)
{
const GLint bpt = format->TexelBytes;