diff options
Diffstat (limited to 'src/glsl/linker.cpp')
| -rw-r--r-- | src/glsl/linker.cpp | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/glsl/linker.cpp b/src/glsl/linker.cpp index da5677067cd..ac010cfbb6a 100644 --- a/src/glsl/linker.cpp +++ b/src/glsl/linker.cpp @@ -541,6 +541,25 @@ cross_validate_globals(struct gl_shader_program *prog, existing->explicit_location = true; } + /* From the GLSL 4.20 specification: + * "A link error will result if two compilation units in a program + * specify different integer-constant bindings for the same + * opaque-uniform name. However, it is not an error to specify a + * binding on some but not all declarations for the same name" + */ + if (var->explicit_binding) { + if (existing->explicit_binding && + var->binding != existing->binding) { + linker_error(prog, "explicit bindings for %s " + "`%s' have differing values\n", + mode_string(var), var->name); + return false; + } + + existing->binding = var->binding; + existing->explicit_binding = true; + } + /* Validate layout qualifiers for gl_FragDepth. * * From the AMD/ARB_conservative_depth specs: |