3 files changed, 14 insertions, 0 deletions
diff --git a/src/glsl/nir/glsl_to_nir.cpp b/src/glsl/nir/glsl_to_nir.cpp
index 944f7462911..c13f953d914 100644
--- a/src/glsl/nir/glsl_to_nir.cpp
+++ b/src/glsl/nir/glsl_to_nir.cpp
@@ -140,6 +140,9 @@ glsl_to_nir(struct gl_shader *sh, const nir_shader_compiler_options *options)
 
    nir_lower_outputs_to_temporaries(shader);
 
+   shader->gs.vertices_out = sh->Geom.VerticesOut;
+   shader->gs.invocations = sh->Geom.Invocations;
+
    return shader;
 }
 
diff --git a/src/glsl/nir/nir.c b/src/glsl/nir/nir.c
index ab06ea2bc19..1dc7e12445f 100644
--- a/src/glsl/nir/nir.c
+++ b/src/glsl/nir/nir.c
@@ -54,6 +54,9 @@ nir_shader_create(void *mem_ctx,
 
    shader->stage = stage;
 
+   shader->gs.vertices_out = 0;
+   shader->gs.invocations = 0;
+
    return shader;
 }
 
diff --git a/src/glsl/nir/nir.h b/src/glsl/nir/nir.h
index a93ff11f01b..f9c829570c5 100644
--- a/src/glsl/nir/nir.h
+++ b/src/glsl/nir/nir.h
@@ -1479,6 +1479,14 @@ typedef struct nir_shader {
 
    /** The shader stage, such as MESA_SHADER_VERTEX. */
    gl_shader_stage stage;
+
+   struct {
+      /** The maximum number of vertices the geometry shader might write. */
+      unsigned vertices_out;
+
+      /** 1 .. MAX_GEOMETRY_SHADER_INVOCATIONS */
+      unsigned invocations;
+   } gs;
 } nir_shader;
 
 #define nir_foreach_overload(shader, overload)                        \