shader: Add integer attribute get optimization pass

Works around an nvidia driver bug, where casting the integer attributes to float and back to an integer always returned 0.
2021-12-24 20:00:28 -05:00 · 2021-12-24 20:00:28 -05:00 · 22a4d26479
commit 22a4d26479
parent fbb33df96f
9 changed files with 86 additions and 0 deletions
--- a/src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp
+++ b/src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp
@ -389,6 +389,7 @@ void VisitUsages(Info& info, IR::Inst& inst) {
        info.uses_demote_to_helper_invocation = true;
        break;
    case IR::Opcode::GetAttribute:
+    case IR::Opcode::GetAttributeU32:
        info.loads.mask[static_cast<size_t>(inst.Arg(0).Attribute())] = true;
        break;
    case IR::Opcode::SetAttribute: