diff options
Diffstat (limited to 'mesalib/src/glsl/builtin_variables.cpp')
-rw-r--r-- | mesalib/src/glsl/builtin_variables.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/mesalib/src/glsl/builtin_variables.cpp b/mesalib/src/glsl/builtin_variables.cpp index 9f9571619..34973023f 100644 --- a/mesalib/src/glsl/builtin_variables.cpp +++ b/mesalib/src/glsl/builtin_variables.cpp @@ -815,6 +815,8 @@ builtin_variable_generator::generate_vs_special_vars() add_system_value(SYSTEM_VALUE_INSTANCE_ID, int_t, "gl_InstanceID"); if (state->AMD_vertex_shader_layer_enable) add_output(VARYING_SLOT_LAYER, int_t, "gl_Layer"); + if (state->AMD_vertex_shader_viewport_index_enable) + add_output(VARYING_SLOT_VIEWPORT, int_t, "gl_ViewportIndex"); if (compatibility) { add_input(VERT_ATTRIB_POS, vec4_t, "gl_Vertex"); add_input(VERT_ATTRIB_NORMAL, vec3_t, "gl_Normal"); |