From 20748318c5b870fc27f699637041e67a67321f5f Mon Sep 17 00:00:00 2001 From: Ilia Mirkin Date: Mon, 14 Sep 2015 16:13:43 -0400 Subject: [PATCH] glsl: add gl_HelperInvocation system value Signed-off-by: Ilia Mirkin Reviewed-by: Matt Turner --- src/glsl/builtin_variables.cpp | 3 +++ src/glsl/nir/shader_enums.h | 1 + src/mesa/state_tracker/st_glsl_to_tgsi.cpp | 1 + 3 files changed, 5 insertions(+) diff --git a/src/glsl/builtin_variables.cpp b/src/glsl/builtin_variables.cpp index c30fb9226e5..b06c1bc5c12 100644 --- a/src/glsl/builtin_variables.cpp +++ b/src/glsl/builtin_variables.cpp @@ -1059,6 +1059,9 @@ builtin_variable_generator::generate_fs_special_vars() var = add_input(VARYING_SLOT_VIEWPORT, int_t, "gl_ViewportIndex"); var->data.interpolation = INTERP_QUALIFIER_FLAT; } + + if (state->is_version(450, 310)/* || state->ARB_ES3_1_compatibility_enable*/) + add_system_value(SYSTEM_VALUE_HELPER_INVOCATION, bool_t, "gl_HelperInvocation"); } diff --git a/src/glsl/nir/shader_enums.h b/src/glsl/nir/shader_enums.h index d1cf7ca04cc..dd0e0bad806 100644 --- a/src/glsl/nir/shader_enums.h +++ b/src/glsl/nir/shader_enums.h @@ -396,6 +396,7 @@ typedef enum SYSTEM_VALUE_SAMPLE_ID, SYSTEM_VALUE_SAMPLE_POS, SYSTEM_VALUE_SAMPLE_MASK_IN, + SYSTEM_VALUE_HELPER_INVOCATION, /*@}*/ /** diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp index 9ee6f8f89be..b56512706b0 100644 --- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp +++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp @@ -4408,6 +4408,7 @@ const unsigned _mesa_sysval_to_semantic[SYSTEM_VALUE_MAX] = { TGSI_SEMANTIC_SAMPLEID, TGSI_SEMANTIC_SAMPLEPOS, TGSI_SEMANTIC_SAMPLEMASK, + 0, /* gl_HelperInvocation */ /* Tessellation shaders */ -- 2.30.2