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-rw-r--r--src/compiler/glsl/builtin_variables.cpp6
-rw-r--r--src/compiler/shader_enums.h1
2 files changed, 7 insertions, 0 deletions
diff --git a/src/compiler/glsl/builtin_variables.cpp b/src/compiler/glsl/builtin_variables.cpp
index 36a8667e2af..10a87502b41 100644
--- a/src/compiler/glsl/builtin_variables.cpp
+++ b/src/compiler/glsl/builtin_variables.cpp
@@ -1249,6 +1249,12 @@ builtin_variable_generator::generate_cs_special_vars()
"gl_LocalInvocationID");
add_system_value(SYSTEM_VALUE_WORK_GROUP_ID, uvec3_t, "gl_WorkGroupID");
add_system_value(SYSTEM_VALUE_NUM_WORK_GROUPS, uvec3_t, "gl_NumWorkGroups");
+
+ if (state->ARB_compute_variable_group_size_enable) {
+ add_system_value(SYSTEM_VALUE_LOCAL_GROUP_SIZE,
+ uvec3_t, "gl_LocalGroupSizeARB");
+ }
+
if (state->ctx->Const.LowerCsDerivedVariables) {
add_variable("gl_GlobalInvocationID", uvec3_t, ir_var_auto, 0);
add_variable("gl_LocalInvocationIndex", uint_t, ir_var_auto, 0);
diff --git a/src/compiler/shader_enums.h b/src/compiler/shader_enums.h
index c3a62e09dbe..b6e048e1331 100644
--- a/src/compiler/shader_enums.h
+++ b/src/compiler/shader_enums.h
@@ -472,6 +472,7 @@ typedef enum
SYSTEM_VALUE_GLOBAL_INVOCATION_ID,
SYSTEM_VALUE_WORK_GROUP_ID,
SYSTEM_VALUE_NUM_WORK_GROUPS,
+ SYSTEM_VALUE_LOCAL_GROUP_SIZE,
/*@}*/
/**