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shader: isolate SWAPPC work from ordinary shader paths

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This commit is contained in:
nmzik
2026-10-09 17:27:07 +02:00
parent 8c81386568
commit 3e9f88bf79
5 changed files with 96 additions and 49 deletions
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src/graphics/shader/recompiler/frontend/decode/ShaderDecoder.cpp
+3
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@@ -389,6 +389,7 @@ Program DecodeFrontProgram(std::span<const uint32_t> front) {
while (front_words < front.size()) {
auto& inst = result.instructions.emplace_back();
DecodeInstruction(front, front_words, inst);
result.has_swap_pc |= inst.opcode == Opcode::S_SWAPPC_B64;
front_words += inst.word_count;
if (inst.opcode == Opcode::S_SETPC_B64) {
EXIT_NOT_IMPLEMENTED(inst.src0.kind != OperandKind::Sgpr || inst.src0.reg != 6u);
@@ -406,6 +407,7 @@ void DecodeProgram(std::span<const uint32_t> code, Program& program) {
program.instructions.clear();
program.instructions.reserve(code.size());
program.code = code;
program.has_swap_pc = false;
std::vector<bool> branch_targets;
for (uint32_t word_index = 0; word_index < code.size();) {
@@ -413,6 +415,7 @@ void DecodeProgram(std::span<const uint32_t> code, Program& program) {
DecodeInstruction(code, word_index, program.instructions.back());
const auto& inst = program.instructions.back();
program.has_swap_pc |= inst.opcode == Opcode::S_SWAPPC_B64;
word_index += inst.word_count;
if (IsDirectBranch(inst.opcode)) {