Mesa (master): glsl: add gl_SampleMaskIn[] builtin

[Chris Forbes]

Module: Mesa
Branch: master
Commit: 1d71f38924ac4614199cbdac76b9ec57cb4c3b68
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=1d71f38924ac4614199cbdac76b9ec57cb4c3b68

Author: Chris Forbes <chrisf at ijw.co.nz>
Date:   Sun Dec  8 20:03:25 2013 +1300

glsl: add gl_SampleMaskIn[] builtin

Signed-off-by: Chris Forbes <chrisf at ijw.co.nz>
Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>

---

 src/glsl/builtin_variables.cpp |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/src/glsl/builtin_variables.cpp b/src/glsl/builtin_variables.cpp
index bdcd11f..0a3f129 100644
--- a/src/glsl/builtin_variables.cpp
+++ b/src/glsl/builtin_variables.cpp
@@ -858,6 +858,10 @@ builtin_variable_generator::generate_fs_special_vars()
        */
       add_output(FRAG_RESULT_SAMPLE_MASK, array(int_t, 1), "gl_SampleMask");
    }
+
+   if (state->ARB_gpu_shader5_enable) {
+      add_system_value(SYSTEM_VALUE_SAMPLE_MASK_IN, array(int_t, 1), "gl_SampleMaskIn");
+   }
 }