diff options
Diffstat (limited to 'src/glsl/glsl_parser.yy')
| -rw-r--r-- | src/glsl/glsl_parser.yy | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/glsl/glsl_parser.yy b/src/glsl/glsl_parser.yy index 596e432f376..ea3bd8a2408 100644 --- a/src/glsl/glsl_parser.yy +++ b/src/glsl/glsl_parser.yy @@ -2564,6 +2564,28 @@ basic_interface_block: "interface block member does not match " "the interface block"); } + + /* From GLSL ES 3.0, chapter 4.3.7 "Interface Blocks": + * + * "GLSL ES 3.0 does not support interface blocks for shader inputs or + * outputs." + * + * And from GLSL ES 3.0, chapter 4.6.1 "The invariant qualifier":. + * + * "Only variables output from a shader can be candidates for + * invariance." + * + * From GLSL 4.40 and GLSL 1.50, section "Interface Blocks": + * + * "If optional qualifiers are used, they can include interpolation + * qualifiers, auxiliary storage qualifiers, and storage qualifiers + * and they must declare an input, output, or uniform member + * consistent with the interface qualifier of the block" + */ + if (qualifier.flags.q.invariant) + _mesa_glsl_error(&@1, state, + "invariant qualifiers cannot be used " + "with interface blocks members"); } $$ = block; |