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shader: decode GPU-selected formatted buffer loads with native bounds

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Co-authored-by: TheCruZ <thecruzwtf@gmail.com>
This commit is contained in:
nmzik
2026-10-04 05:23:12 +04:00
parent 181123ea08
commit a55a28380d
8 changed files with 356 additions and 205 deletions
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src/graphics/shader/recompiler/backend/spirv/spirvEmitterInternal.h
+12 -12
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@@ -520,17 +520,17 @@ uint32_t DeviceAddressFromWords(EmitterState& state, uint32_t low, uint32_t high
// These templates accept local lambdas from several emitter translation units.
template <typename Fn>
auto EmitImageMipSwitch(EmitterState& state, uint32_t mip_lod, uint32_t mip_count,
auto EmitIndexSwitch(EmitterState& state, uint32_t index, uint32_t count,
uint32_t result_type, Fn&& emit) {
constexpr bool has_result = !std::is_void_v<std::invoke_result_t<Fn, uint32_t>>;
EXIT_IF(mip_count == 0u);
EXIT_IF(count == 0u);
const auto merge_label = state.builder.AllocateId();
std::vector<uint32_t> labels(mip_count);
std::vector<uint32_t> words {spv::OpSwitch, mip_lod, merge_label};
for (uint32_t mip = 0; mip < mip_count; mip++) {
labels[mip] = state.builder.AllocateId();
words.push_back(mip);
words.push_back(labels[mip]);
std::vector<uint32_t> labels(count);
std::vector<uint32_t> words {spv::OpSwitch, index, merge_label};
for (uint32_t item = 0; item < count; item++) {
labels[item] = state.builder.AllocateId();
words.push_back(item);
words.push_back(labels[item]);
}
if constexpr (has_result) {
words[2] = labels.front();
@@ -541,13 +541,13 @@ auto EmitImageMipSwitch(EmitterState& state, uint32_t mip_lod, uint32_t mip_coun
if constexpr (has_result) {
phi = {spv::OpPhi, result_type, state.builder.AllocateId()};
}
for (uint32_t mip = 0; mip < mip_count; mip++) {
EmitLabel(state, labels[mip]);
for (uint32_t item = 0; item < count; item++) {
EmitLabel(state, labels[item]);
if constexpr (has_result) {
phi.push_back(emit(mip));
phi.push_back(emit(item));
phi.push_back(state.current_label);
} else {
emit(mip);
emit(item);
}
state.builder.AddFunction(spv::OpBranch, merge_label);
}