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Diffstat (limited to 'src')
| -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 f630923eda4..d6bc3c07316 100644 --- a/src/glsl/builtin_variables.cpp +++ b/src/glsl/builtin_variables.cpp @@ -780,6 +780,8 @@ void builtin_variable_generator::generate_gs_special_vars() { add_output(VARYING_SLOT_LAYER, int_t, "gl_Layer"); + if (state->ARB_viewport_array_enable) + add_output(VARYING_SLOT_VIEWPORT, int_t, "gl_ViewportIndex"); /* Although gl_PrimitiveID appears in tessellation control and tessellation * evaluation shaders, it has a different function there than it has in |