From d09901993539385c015c6389310c186cba9bb263 Mon Sep 17 00:00:00 2001 From: Jordan Justen Date: Sat, 25 Jan 2014 12:43:26 -0800 Subject: glsl: add gl_InvocationID variable for ARB_gpu_shader5 v2: * Make gl_InvocationID a system value Signed-off-by: Jordan Justen Reviewed-by: Paul Berry Reviewed-by: Anuj Phogat --- src/glsl/builtin_variables.cpp | 2 ++ 1 file changed, 2 insertions(+) (limited to 'src/glsl/builtin_variables.cpp') diff --git a/src/glsl/builtin_variables.cpp b/src/glsl/builtin_variables.cpp index 2fa509f..4176ae6 100644 --- a/src/glsl/builtin_variables.cpp +++ b/src/glsl/builtin_variables.cpp @@ -854,6 +854,8 @@ 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"); + if (state->ARB_gpu_shader5_enable) + add_system_value(SYSTEM_VALUE_INVOCATION_ID, int_t, "gl_InvocationID"); /* Although gl_PrimitiveID appears in tessellation control and tessellation * evaluation shaders, it has a different function there than it has in -- cgit v1.1