Avoid generating invalid interfaces in geometry shader

[libs/gl.git] / source / glsl / generate.cpp

diff --git a/source/glsl/generate.cpp b/source/glsl/generate.cpp
index 158bb4cc91b67b39239358c70bf0237ef5821ed0..01d34c63cd5f1b0eb99060b59b8abd533f41401f 100644 (file)
--- a/source/glsl/generate.cpp
+++ b/source/glsl/generate.cpp
@@ -1040,6 +1040,9 @@ VariableDeclaration *InterfaceGenerator::generate_interface(VariableDeclaration
        if(stage->content.variables.count(name))
                return 0;
 
+       if(stage->type==Stage::GEOMETRY && !copy_block && var.interface=="out" && var.array)
+               return 0;
+
        VariableDeclaration* iface_var = new VariableDeclaration;
        iface_var->sampling = var.sampling;
        iface_var->interface = iface;
@@ -1137,8 +1140,14 @@ void InterfaceGenerator::visit(VariableReference &var)
                i = prev_vars.find(in_prefix+var.name);
        if(i!=prev_vars.end() && i->second->interface=="out")
        {
-               generate_interface(*i->second, "in", i->second->name);
-               var.name = i->second->name;
+               if(stage->type==Stage::GEOMETRY && i->second->array)
+                       stage->diagnostics.push_back(Diagnostic(Diagnostic::WARN, var.source, var.line,
+                               format("Can't access '%s' through automatic interface because it's an array", var.name)));
+               else
+               {
+                       generate_interface(*i->second, "in", i->second->name);
+                       var.name = i->second->name;
+               }
                return;
        }