Mesa (master): intel/compiler: Add uses_is_indexed_draw flag

[Antía Puentes Felpeto]

Module: Mesa
Branch: master
Commit: 6ba9088d9c692bfdafdf354ee96f662166582a79
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=6ba9088d9c692bfdafdf354ee96f662166582a79

Author: Antia Puentes <apuen...@igalia.com>
Date:   Sat Apr 28 14:09:19 2018 +0200

intel/compiler: Add uses_is_indexed_draw flag

Reviewed-by: Jason Ekstrand <ja...@jlekstrand.net>

---

 src/intel/compiler/brw_compiler.h | 1 +
 src/intel/compiler/brw_vec4.cpp   | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/src/intel/compiler/brw_compiler.h 
b/src/intel/compiler/brw_compiler.h
index 24196248b8..e3bf535a51 100644
--- a/src/intel/compiler/brw_compiler.h
+++ b/src/intel/compiler/brw_compiler.h
@@ -978,6 +978,7 @@ struct brw_vs_prog_data {
    bool uses_vertexid;
    bool uses_instanceid;
    bool uses_basevertex;
+   bool uses_is_indexed_draw;
    bool uses_firstvertex;
    bool uses_baseinstance;
    bool uses_drawid;
diff --git a/src/intel/compiler/brw_vec4.cpp b/src/intel/compiler/brw_vec4.cpp
index 1e384f5bf4..e583c54920 100644
--- a/src/intel/compiler/brw_vec4.cpp
+++ b/src/intel/compiler/brw_vec4.cpp
@@ -2838,6 +2838,10 @@ brw_compile_vs(const struct brw_compiler *compiler, void 
*log_data,
       prog_data->uses_basevertex = true;
 
    if (shader->info.system_values_read &
+       BITFIELD64_BIT(SYSTEM_VALUE_IS_INDEXED_DRAW))
+      prog_data->uses_is_indexed_draw = true;
+
+   if (shader->info.system_values_read &
        BITFIELD64_BIT(SYSTEM_VALUE_FIRST_VERTEX))
       prog_data->uses_firstvertex = true;
 

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