nir: Constify nir_lower_sampler's gl_shader_program pointer.

Now that we're not generating linker errors, we don't actually modify
this.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/glsl/nir/nir.h b/src/glsl/nir/nir.h
index 679911c..e844e4d 100644
--- a/src/glsl/nir/nir.h
+++ b/src/glsl/nir/nir.h
@@ -1611,7 +1611,7 @@ void nir_lower_alu_to_scalar(nir_shader *shader);
 void nir_lower_phis_to_scalar(nir_shader *shader);
 
 void nir_lower_samplers(nir_shader *shader,
-                        struct gl_shader_program *shader_program,
+                        const struct gl_shader_program *shader_program,
                         gl_shader_stage stage);
 
 void nir_lower_system_values(nir_shader *shader);