[Mesa-dev] [PATCH 1/3] glsl: Disallow `pragma STDGL invariant(all)` in fragment shaders

[Chris Forbes]

Fixes the piglit test: spec/glsl-es-3.00/compiler/invariant_all.frag

Signed-off-by: Chris Forbes <chrisf at ijw.co.nz>
---
 src/glsl/glsl_parser.yy | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/glsl/glsl_parser.yy b/src/glsl/glsl_parser.yy
index dbab815..6592a84 100644
--- a/src/glsl/glsl_parser.yy
+++ b/src/glsl/glsl_parser.yy
@@ -337,6 +337,10 @@ pragma_statement:
                             "pragma `invariant(all)' not supported in %s "
                             "(GLSL ES 1.00 or GLSL 1.20 required)",
                             state->get_version_string());
+      } else if (state->stage == MESA_SHADER_FRAGMENT) {
+         _mesa_glsl_error(& @1, state,
+                          "pragma `invariant(all)' may not be used in a "
+                          "fragment shader.");
       } else {
          state->all_invariant = true;
       }
-- 
2.1.3