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-rw-r--r--src/mesa/main/multisample.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mesa/main/multisample.c b/src/mesa/main/multisample.c
index 599cdee7407..1f3fa0c1562 100644
--- a/src/mesa/main/multisample.c
+++ b/src/mesa/main/multisample.c
@@ -89,7 +89,7 @@ _mesa_GetMultisamplefv(GLenum pname, GLuint index, GLfloat * val)
/* winsys FBOs are upside down */
if (_mesa_is_winsys_fbo(ctx->DrawBuffer))
- val[1] = 1 - val[1];
+ val[1] = 1.0f - val[1];
return;
}