2 files changed, 9 insertions, 0 deletions
diff --git a/src/compiler/glsl/ir.cpp b/src/compiler/glsl/ir.cpp
index 2aa4affac9d..4dadfd27e23 100644
--- a/src/compiler/glsl/ir.cpp
+++ b/src/compiler/glsl/ir.cpp
@@ -1686,6 +1686,7 @@ ir_variable::ir_variable(const struct glsl_type *type, const char *name,
    this->data.image_volatile = false;
    this->data.image_restrict = false;
    this->data.from_ssbo_unsized_array = false;
+   this->data.fb_fetch_output = false;
 
    if (type != NULL) {
       if (type->base_type == GLSL_TYPE_SAMPLER)
diff --git a/src/compiler/glsl/ir.h b/src/compiler/glsl/ir.h
index 68e774c03d1..5e1e9bf34c7 100644
--- a/src/compiler/glsl/ir.h
+++ b/src/compiler/glsl/ir.h
@@ -831,6 +831,14 @@ public:
       unsigned from_ssbo_unsized_array:1; /**< unsized array buffer variable. */
 
       unsigned implicit_sized_array:1;
+
+      /**
+       * Whether this is a fragment shader output implicitly initialized with
+       * the previous contents of the specified render target at the
+       * framebuffer location corresponding to this shader invocation.
+       */
+      unsigned fb_fetch_output:1;
+
       /**
        * Emit a warning if this variable is accessed.
        */