diff options
| -rw-r--r-- | src/mesa/state_tracker/st_glsl_to_tgsi.cpp | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp index d43d821aad0..af41bdbbea1 100644 --- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp +++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp @@ -3611,10 +3611,17 @@ glsl_to_tgsi_visitor::visit_ssbo_intrinsic(ir_call *ir) inst->resource = buffer; if (access) inst->buffer_access = access->value.u[0]; + + if (inst == this->instructions.get_head_raw()) + break; inst = (glsl_to_tgsi_instruction *)inst->get_prev(); - if (inst->op == TGSI_OPCODE_UADD) + + if (inst->op == TGSI_OPCODE_UADD) { + if (inst == this->instructions.get_head_raw()) + break; inst = (glsl_to_tgsi_instruction *)inst->get_prev(); - } while (inst && inst->op == op && inst->resource.file == PROGRAM_UNDEFINED); + } + } while (inst->op == op && inst->resource.file == PROGRAM_UNDEFINED); } void |