Module: Mesa
Branch: master
Commit: 1e3f61d1d54f16328d7b8c61cdb1938b5ce04d41
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=1e3f61d1d54f16328d7b8c61cdb1938b5ce04d41

Author: Neil Roberts <[email protected]>
Date:   Wed Jan 17 16:37:35 2018 +0100

nir/gather_info: Set info.gs.uses_streams

Whenever a non-zero stream is written to it now sets uses_streams to
true. This reflects the code in validate_geometry_shader_emissions for
GLSL.

v2: set uses_streams at gather_info instead that at spirv to nir
    (Jason Ekstrand)

Reviewed-by: Jason Ekstrand <[email protected]>

---

 src/compiler/nir/nir_gather_info.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/compiler/nir/nir_gather_info.c 
b/src/compiler/nir/nir_gather_info.c
index 2b431e343e..d0b656ea74 100644
--- a/src/compiler/nir/nir_gather_info.c
+++ b/src/compiler/nir/nir_gather_info.c
@@ -288,6 +288,11 @@ gather_intrinsic_info(nir_intrinsic_instr *instr, 
nir_shader *shader,
    case nir_intrinsic_end_primitive_with_counter:
       assert(shader->info.stage == MESA_SHADER_GEOMETRY);
       shader->info.gs.uses_end_primitive = 1;
+
+   case nir_intrinsic_emit_vertex:
+      if (nir_intrinsic_stream_id(instr) > 0)
+         shader->info.gs.uses_streams = true;
+
       break;
 
    default:

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