ffs() just returns the bit that is set, we need to know what
stage that bit represents so use u_bit_scan() instead.
Fixes: 2ca5d9548fc4 ("st/glsl_to_nir: gather next_stage in shader_info")
---
src/mesa/state_tracker/st_glsl_to_nir.cpp | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/mesa/state_tracker/st_glsl_to_nir.cpp
b/src/mesa/state_tracker/st_glsl_to_nir.cpp
index 24776f7f9c4..18d5d308900 100644
--- a/src/mesa/state_tracker/st_glsl_to_nir.cpp
+++ b/src/mesa/state_tracker/st_glsl_to_nir.cpp
@@ -373,7 +373,7 @@ st_glsl_to_nir(struct st_context *st, struct gl_program
*prog,
~prev_stages & shader_program->data->linked_stages;
nir->info.next_stage = stages_mask ?
- (gl_shader_stage) ffs(stages_mask) : MESA_SHADER_FRAGMENT;
+ (gl_shader_stage) u_bit_scan(&stages_mask) : MESA_SHADER_FRAGMENT;
} else {
nir->info.next_stage = MESA_SHADER_FRAGMENT;
}
--
2.17.2
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