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shader: execute PS5 BVH intersections and local FLAT stacks

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Co-authored-by: Ali Almohaya <AliAlmohaya@gmail.com>
Co-authored-by: Mac <me@itsmemac.com>
Co-authored-by: Senaxx <michelbeld@gmail.com>
Co-authored-by: Jean-Philippe <github@meunier.jp>
This commit is contained in:
nmzik
2026-10-01 07:55:28 +04:00
parent 581dad7dd3
commit 337f432016
22 changed files with 859 additions and 156 deletions
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src/graphics/shader/recompiler/frontend/decode/ShaderDecoder.cpp
+4 -5
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@@ -254,6 +254,8 @@ void DecodeScalarSource(uint32_t code, uint32_t pc, Operand& operand) {
case 125u: operand.kind = OperandKind::Null; return;
case 126u: operand.kind = OperandKind::ExecLo; return;
case 127u: operand.kind = OperandKind::ExecHi; return;
case 235u: operand.kind = OperandKind::SharedBase; return;
case 237u: operand.kind = OperandKind::PrivateBase; return;
case 239u: operand.kind = OperandKind::PopsExitingWaveId; return;
case 248u:
operand.kind = OperandKind::FloatInlineConstant;
@@ -404,7 +406,6 @@ void DecodeProgram(std::span<const uint32_t> code, Program& program) {
program.instructions.clear();
program.instructions.reserve(code.size());
program.code = code;
program.has_bvh = false;
std::vector<bool> branch_targets;
for (uint32_t word_index = 0; word_index < code.size();) {
@@ -413,10 +414,6 @@ void DecodeProgram(std::span<const uint32_t> code, Program& program) {
const auto& inst = program.instructions.back();
word_index += inst.word_count;
if (inst.family == Family::MIMG && (inst.opcode_id == 0xe6u || inst.opcode_id == 0xe7u)) {
program.has_bvh = true;
return;
}
if (IsDirectBranch(inst.opcode)) {
const auto target_index = inst.branch_target / sizeof(uint32_t);
@@ -455,6 +452,8 @@ std::string OperandToString(const Operand& operand) {
case OperandKind::Scc: text = "scc"; break;
case OperandKind::M0: text = "m0"; break;
case OperandKind::PopsExitingWaveId: text = "pops_exiting_wave_id"; break;
case OperandKind::SharedBase: text = "shared_base"; break;
case OperandKind::PrivateBase: text = "private_base"; break;
case OperandKind::Null: text = "null"; break;
default: text = "unknown"; break;
}