From d36cb3617c12808677f0963e1548e07e9347931c Mon Sep 17 00:00:00 2001 From: Jordan Justen Date: Sat, 9 Mar 2013 13:01:13 -0800 Subject: [PATCH] glsl parser: reject VS+in & FS+out interface blocks Signed-off-by: Jordan Justen Reviewed-by: Eric Anholt Reviewed-by: Kenneth Graunke --- src/glsl/glsl_parser.yy | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/src/glsl/glsl_parser.yy b/src/glsl/glsl_parser.yy index 0a2a77b..dbc25a4 100644 --- a/src/glsl/glsl_parser.yy +++ b/src/glsl/glsl_parser.yy @@ -1935,6 +1935,20 @@ basic_interface_block: } } + /* From the GLSL 1.50.11 spec, section 4.3.7 ("Interface Blocks"): + * "It is illegal to have an input block in a vertex shader + * or an output block in a fragment shader" + */ + if ((state->target == vertex_shader) && $1.flags.q.in) { + _mesa_glsl_error(& @1, state, + "`in' interface block is not allowed for " + "a vertex shader\n"); + } else if ((state->target == fragment_shader) && $1.flags.q.out) { + _mesa_glsl_error(& @1, state, + "`out' interface block is not allowed for " + "a fragment shader\n"); + } + /* Since block arrays require names, and both features are added in * the same language versions, we don't have to explicitly * version-check both things. -- 2.7.4