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graphics: fix vertex and instance IDs for unpatched indirect draws

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This commit is contained in:
nmzik
2026-10-28 04:33:03 +01:00
parent 1be1c6c4f9
commit a833e1b735
10 changed files with 72 additions and 46 deletions
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src/graphics/shader/recompiler/frontend/translate/Translate.cpp
+3 -2
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@@ -1390,11 +1390,12 @@ IR::Program TranslateProgram(const Decoder::Program& decoded, const CFG::Graph&
entry_ir.SetScalarReg(static_cast<IR::ScalarReg>(3),
entry_ir.BitwiseOr(vertex_count, IR::U32(IR::Value(1u << 28u))));
// Vulkan adds an indirect record's bases to the indices; the hardware passes them
// only in the user SGPRs the packet patches.
// only in the user SGPRs the packet patches. SH_NOP leaves those SGPRs unchanged;
// it does not make the record's bases zero.
const auto& offsets = options.input_info.vertex->indirect_offsets;
const auto index = [&](uint8_t slot, IR::StageInputKind kind,
IR::StageInputKind base_kind) {
if (offsets == ShaderIndirectOffsets {}) {
if (!options.input_info.vertex->indirect_draw) {
return builtin(kind);
}
const auto base = builtin(base_kind);