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Diffstat (limited to 'src/glsl/builtin_variables.cpp')
| -rw-r--r-- | src/glsl/builtin_variables.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/glsl/builtin_variables.cpp b/src/glsl/builtin_variables.cpp index 9f9571619ba..34973023fe9 100644 --- a/src/glsl/builtin_variables.cpp +++ b/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"); |