nir: initialize uses_discard to false

This matches what we do for uses_sample_qualifier, and what we
do in ir_set_program_inouts.cpp as well.

Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>

diff --git a/src/compiler/nir/nir_gather_info.c b/src/compiler/nir/nir_gather_info.c
index 1e25114987207e044cfc7b218645cd4122275d6e..09147bd5a504ffc2ec412b573ebde08007c01f5c 100644 (file)
--- a/src/compiler/nir/nir_gather_info.c
+++ b/src/compiler/nir/nir_gather_info.c
@@ -381,6 +381,7 @@ nir_shader_gather_info(nir_shader *shader, nir_function_impl *entrypoint)
    }
    if (shader->info.stage == MESA_SHADER_FRAGMENT) {
       shader->info.fs.uses_sample_qualifier = false;
+      shader->info.fs.uses_discard = false;
    }
 
    void *dead_ctx = ralloc_context(NULL);