glsl2: Implement AST->HIR support for the "discard" instruction.

diff --git a/src/glsl/ast_to_hir.cpp b/src/glsl/ast_to_hir.cpp
index a0ca7e5..7d966f8 100644 (file)
--- a/src/glsl/ast_to_hir.cpp
+++ b/src/glsl/ast_to_hir.cpp
@@ -2206,13 +2206,13 @@ ast_jump_statement::hir(exec_list *instructions,
    }
 
    case ast_discard:
-      /* FINISHME: discard support */
       if (state->target != fragment_shader) {
         YYLTYPE loc = this->get_location();
 
         _mesa_glsl_error(& loc, state,
                          "`discard' may only appear in a fragment shader");
       }
+      instructions->push_tail(new(ctx) ir_discard);
       break;
 
    case ast_break: