glsl: move check_subroutine_resources() into the shared util code

We will make use of this in the nir linker in the following patch.

Reviewed-by: Tapani Pälli <[email protected]>

1 files changed, 16 insertions, 0 deletions

diff --git a/src/compiler/glsl/linker_util.cpp b/src/compiler/glsl/linker_util.cpp
index 99e3693b548..32bc4cb33a5 100644
--- a/src/compiler/glsl/linker_util.cpp
+++ b/src/compiler/glsl/linker_util.cpp
@@ -23,6 +23,7 @@
  */
 #include "main/mtypes.h"
 #include "linker_util.h"
+#include "util/bitscan.h"
 #include "util/set.h"
 #include "ir_uniform.h" /* for gl_uniform_storage */
 
@@ -154,3 +155,18 @@ link_util_update_empty_uniform_locations(struct gl_shader_program *prog)
       }
    }
 }
+
+void
+link_util_check_subroutine_resources(struct gl_shader_program *prog)
+{
+   unsigned mask = prog->data->linked_stages;
+   while (mask) {
+      const int i = u_bit_scan(&mask);
+      struct gl_program *p = prog->_LinkedShaders[i]->Program;
+
+      if (p->sh.NumSubroutineUniformRemapTable > MAX_SUBROUTINE_UNIFORM_LOCATIONS) {
+         linker_error(prog, "Too many %s shader subroutine uniforms\n",
+                      _mesa_shader_stage_to_string(i));
+      }
+   }
+}