Revert "glsl: move uniform calculation to link_uniforms"

This reverts commit 4475d8f916.

src/glsl/linker.cpp

@@ -3146,6 +3146,7 @@ check_explicit_uniform_locations(struct gl_context *ctx,
       return;
    }
 
+   unsigned entries_total = 0;
    for (unsigned i = 0; i < MESA_SHADER_STAGES; i++) {
       struct gl_shader *sh = prog->_LinkedShaders[i];
 
@@ -3157,6 +3158,8 @@ check_explicit_uniform_locations(struct gl_context *ctx,
          if (!var || var->data.mode != ir_var_uniform)
             continue;
 
+         entries_total += var->type->uniform_locations();
+
          if (var->data.explicit_location) {
             bool ret;
             if (var->type->without_array()->is_subroutine())
@@ -3170,6 +3173,15 @@ check_explicit_uniform_locations(struct gl_context *ctx,
          }
       }
    }
+
+   /* Verify that total amount of entries for explicit and implicit locations
+    * is less than MAX_UNIFORM_LOCATIONS.
+    */
+   if (entries_total >= ctx->Const.MaxUserAssignableUniformLocations) {
+      linker_error(prog, "count of uniform locations >= MAX_UNIFORM_LOCATIONS"
+                   "(%u >= %u)", entries_total,
+                   ctx->Const.MaxUserAssignableUniformLocations);
+   }
    delete uniform_map;
 }
 
@@ -4544,12 +4556,7 @@ link_shaders(struct gl_context *ctx, struct gl_shader_program *prog)
       goto done;
 
    update_array_sizes(prog);
-   link_assign_uniform_locations(prog, ctx->Const.UniformBooleanTrue,
-                                 ctx->Const.MaxUserAssignableUniformLocations);
-
-   if (!prog->LinkStatus)
-      goto done;
-
+   link_assign_uniform_locations(prog, ctx->Const.UniformBooleanTrue);
    link_assign_atomic_counter_resources(ctx, prog);
    store_fragdepth_layout(prog);