glsl: Add parsing support for multi-stream output in geometry shaders.

This implements parsing requirements for multi-stream support in
geometry shaders as defined in ARB_gpu_shader5.

Signed-off-by: Samuel Iglesias Gonsalvez <siglesias@igalia.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/src/glsl/ir.h b/src/glsl/ir.h
index b4e52d3..2e422dd 100644
--- a/src/glsl/ir.h
+++ b/src/glsl/ir.h
@@ -706,6 +706,11 @@ public:
       int location;
 
       /**
+       * Vertex stream output identifier.
+       */
+      unsigned stream;
+
+      /**
        * output index for dual source blending.
        */
       int index;