diff options
| -rw-r--r-- | src/glsl/ast_array_index.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/glsl/ast_array_index.cpp b/src/glsl/ast_array_index.cpp index 50971bb22bb..27e84d101ec 100644 --- a/src/glsl/ast_array_index.cpp +++ b/src/glsl/ast_array_index.cpp @@ -216,6 +216,16 @@ _mesa_ast_array_index_to_hir(void *mem_ctx, if (v != NULL) v->data.max_array_access = implicit_size - 1; } + else if (state->stage == MESA_SHADER_TESS_CTRL && + array->variable_referenced()->data.mode == ir_var_shader_out && + !array->variable_referenced()->data.patch) { + /* Tessellation control shader output non-patch arrays are + * initially unsized. Despite that, they are allowed to be + * indexed with a non-constant expression (typically + * "gl_InvocationID"). The array size will be determined + * by the linker. + */ + } else { _mesa_glsl_error(&loc, state, "unsized array index must be constant"); } |