mesa: populate gl_program::ShadowSamplers mask from shader data

this data is already processed, it just isn't being propagated for whatever reason

Reviewed-by: Emma Anholt <emma@anholt.net>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20817>

diff --git a/src/mesa/main/uniforms.c b/src/mesa/main/uniforms.c
index 8ef622f..47a8a86 100644 (file)
--- a/src/mesa/main/uniforms.c
+++ b/src/mesa/main/uniforms.c
@@ -111,6 +111,7 @@ _mesa_update_shader_textures_used(struct gl_shader_program *shProg,
    assert(shProg->_LinkedShaders[prog_stage]);
 
    memset(prog->TexturesUsed, 0, sizeof(prog->TexturesUsed));
+   prog->ShadowSamplers = prog->shader_program->_LinkedShaders[prog_stage]->shadow_samplers;
 
    while (mask) {
       s = u_bit_scan(&mask);