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-rw-r--r--src/compiler/glsl/ast_to_hir.cpp14
1 files changed, 14 insertions, 0 deletions
diff --git a/src/compiler/glsl/ast_to_hir.cpp b/src/compiler/glsl/ast_to_hir.cpp
index 2ad97d91f1a..8cdb9171515 100644
--- a/src/compiler/glsl/ast_to_hir.cpp
+++ b/src/compiler/glsl/ast_to_hir.cpp
@@ -8039,6 +8039,20 @@ ast_cs_input_layout::hir(exec_list *instructions,
}
}
+ /* The ARB_compute_variable_group_size spec says:
+ *
+ * If a compute shader including a *local_size_variable* qualifier also
+ * declares a fixed local group size using the *local_size_x*,
+ * *local_size_y*, or *local_size_z* qualifiers, a compile-time error
+ * results
+ */
+ if (state->cs_input_local_size_variable_specified) {
+ _mesa_glsl_error(&loc, state,
+ "compute shader can't include both a variable and a "
+ "fixed local group size");
+ return NULL;
+ }
+
state->cs_input_local_size_specified = true;
for (int i = 0; i < 3; i++)
state->cs_input_local_size[i] = qual_local_size[i];