diff options
Diffstat (limited to 'src/compiler/glsl/lower_output_reads.cpp')
| -rw-r--r-- | src/compiler/glsl/lower_output_reads.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/compiler/glsl/lower_output_reads.cpp b/src/compiler/glsl/lower_output_reads.cpp index 8a375ac0ad5..b0045f0c8fb 100644 --- a/src/compiler/glsl/lower_output_reads.cpp +++ b/src/compiler/glsl/lower_output_reads.cpp @@ -96,8 +96,6 @@ output_read_remover::visit(ir_dereference_variable *ir) { if (ir->var->data.mode != ir_var_shader_out) return visit_continue; - if (stage == MESA_SHADER_TESS_CTRL) - return visit_continue; hash_entry *entry = _mesa_hash_table_search(replacements, ir->var); ir_variable *temp = entry ? (ir_variable *) entry->data : NULL; @@ -173,6 +171,12 @@ output_read_remover::visit_leave(ir_function_signature *sig) void lower_output_reads(unsigned stage, exec_list *instructions) { + /* Due to the possible interactions between multiple tessellation control + * shader invocations, we leave output variables as-is. + */ + if (stage == MESA_SHADER_TESS_CTRL) + return; + output_read_remover v(stage); visit_list_elements(&v, instructions); } |