Refresh cached resources in one SRT walk

This commit is contained in:
nmzik
2026-09-23 10:41:03 +04:00
parent d6dac92da1
commit 13fcb3a133
16 changed files with 977 additions and 1111 deletions
+7 -4
View File
@@ -507,8 +507,8 @@ struct UniformFillPlan {
std::array<Value, 4> values;
};
// Immutable runtime resource analysis retained by the shader cache. It owns descriptor/SRT,
// uniform condition and fill values without retaining translated blocks.
// Resource analysis retained by the shader cache. It owns immutable descriptor/SRT,
// condition and fill values without translated blocks, plus reusable evaluation scratch.
struct ResourcePlan {
struct EvaluationContext {
struct Entry {
@@ -536,7 +536,6 @@ struct ResourcePlan {
std::vector<MemoryInfo> memory_info;
std::vector<DescriptorSource> descriptor_sources;
std::vector<ResourceBlock> control_flow;
std::vector<uint32_t> materialization_sources;
std::vector<SrtRead> srt_reads;
std::vector<uint8_t> clean_flat_slots;
bool requires_specialization_memory = false;
@@ -544,10 +543,14 @@ struct ResourcePlan {
bool resource_tracking_complete = false;
ShaderInfo info;
UniformFillPlan uniform_fill;
// GPU-thread scratch. Each nested clean/EXEC evaluation has its own reusable memo.
// GPU-thread scratch for nested clean/EXEC memos, activity and material keys.
mutable std::deque<EvaluationContext> evaluation_contexts;
mutable uint32_t evaluation_value_count = 0;
mutable uint32_t evaluation_depth = 0;
mutable std::vector<uint8_t> active_sources;
mutable std::vector<uint8_t> visited_blocks;
mutable std::vector<uint32_t> pending_blocks;
mutable std::vector<uint32_t> material_keys;
};
struct Program: ResourcePlan {
@@ -21,18 +21,6 @@ namespace {
constexpr uint64_t AddressMask = 0x0000ffffffffffffull;
constexpr uint64_t MaxIndirectImageProbes = 65536u;
struct IndirectImage {
uint32_t resource = 0;
std::vector<uint32_t> keys;
std::vector<uint32_t> candidates;
std::vector<DescriptorValue> descriptors;
};
struct MaterializedSnapshot {
ResourceSnapshot resources;
std::vector<IndirectImage> indirect_images;
};
bool SpecializationFail(std::string_view message) {
std::fprintf(stderr, "shader resource specialization failed: %.*s\n",
static_cast<int>(message.size()), message.data());
@@ -198,159 +186,96 @@ bool ReadScalarBufferWord(const ShaderBufferResource& descriptor, uint32_t dynam
return true;
}
bool MaterializeIndirectImage(const DescriptorSource::IndirectImage& indirect,
const DescriptorValue& material_value,
const DescriptorValue& heap_value, bool r128,
const SrtRuntime& runtime, IndirectImage& result) {
bool MaterializeIndirectImage(const ResourcePlan& program,
const DescriptorSource::IndirectImage& indirect,
const DescriptorValue& material_value,
const DescriptorValue& heap_value, uint32_t image_index,
const SrtRuntime& runtime, ResourceSnapshot& snapshot,
ResourceSpecialization& specialization) {
ShaderBufferResource material;
ShaderBufferResource heap;
if (!DecodeBufferDescriptor(material_value, material) ||
!DecodeBufferDescriptor(heap_value, heap)) {
!DecodeBufferDescriptor(heap_value, heap) || material.Stride() != indirect.selector_stride) {
return false;
}
if (material.Stride() != indirect.selector_stride) {
return false;
}
// S_BUFFER_LOAD ignores vector-buffer swizzle/add-thread fields. The shader computes the
// record stride explicitly; enumerate every wrapped 32-bit offset that can pass bounds.
const auto period = uint64_t {1} << 32u;
const auto step = std::gcd<uint64_t>(indirect.selector_stride, period);
const auto residue = static_cast<uint64_t>(indirect.selector_offset) % step;
const auto size = material.GetSize();
const auto limit = std::min<uint64_t>(UINT32_MAX, size + 3u);
// Enumerate every wrapped scalar-buffer offset that can pass the descriptor bounds.
const auto step = std::gcd<uint64_t>(indirect.selector_stride, uint64_t {1} << 32u);
const auto residue = static_cast<uint64_t>(indirect.selector_offset) % step;
const auto limit = std::min<uint64_t>(UINT32_MAX, material.GetSize() + 3u);
const auto probe_count = residue <= limit ? (limit - residue) / step + 1u : 0u;
if (probe_count > MaxIndirectImageProbes) {
return false;
}
std::vector<uint32_t> keys {0u};
std::unordered_set<uint32_t> seen {0u};
auto& keys = program.material_keys;
keys.clear();
keys.reserve(static_cast<size_t>(probe_count) + 1u);
seen.reserve(static_cast<size_t>(probe_count) + 1u);
keys.push_back(0u);
for (uint64_t offset = residue; offset <= limit && probe_count != 0u; offset += step) {
uint32_t key = 0;
if (!ReadScalarBufferWord(material, static_cast<uint32_t>(offset), 0u, runtime, key)) {
return false;
}
if (seen.insert(key).second) {
keys.push_back(key);
}
keys.push_back(key);
if (limit - offset < step) {
break;
}
}
std::ranges::sort(keys);
keys.erase(std::unique(keys.begin(), keys.end()), keys.end());
IndirectImage next;
next.keys = std::move(keys);
next.candidates.reserve(next.keys.size());
next.descriptors.reserve(
std::min(next.keys.size(), static_cast<size_t>(ShaderInfo::MaxImages)));
for (const auto key: next.keys) {
const auto children_begin = snapshot.images.size();
const auto mapping_offset = snapshot.flattened_srt.size();
const auto root_image = specialization.images[image_index];
snapshot.flattened_srt.resize(mapping_offset + 1u + keys.size() * 2u);
snapshot.flattened_srt[mapping_offset] = static_cast<uint32_t>(keys.size());
for (uint32_t entry = 0; entry < keys.size(); ++entry) {
const auto key = keys[entry];
DescriptorValue candidate;
candidate.dword_count = 8u;
candidate.dword_count = 8u;
const auto heap_offset = key << 5u;
for (uint32_t dword = 0; dword < candidate.dword_count; dword++) {
for (uint32_t dword = 0; dword < candidate.dword_count; ++dword) {
if (!ReadScalarBufferWord(heap, heap_offset, dword * sizeof(uint32_t), runtime,
candidate.dwords[dword])) {
return false;
}
}
if (NullImageDescriptor(candidate) || !ValidImageDescriptor(candidate, r128)) {
if (NullImageDescriptor(candidate) ||
!ValidImageDescriptor(candidate, program.info.images[image_index].r128)) {
candidate.dwords.fill(0);
}
const auto found = std::ranges::find(next.descriptors, candidate);
if (found == next.descriptors.end()) {
if (next.descriptors.size() >= ShaderInfo::MaxImages) {
return false;
uint32_t ordinal = 0;
if (entry == 0) {
snapshot.images[image_index] = candidate;
} else if (snapshot.images[image_index] != candidate) {
const auto found = std::find(snapshot.images.begin() + children_begin,
snapshot.images.end(), candidate);
ordinal = static_cast<uint32_t>(found - snapshot.images.begin() - children_begin + 1u);
if (found == snapshot.images.end()) {
if (snapshot.images.size() >= ShaderInfo::MaxImages) {
return false;
}
snapshot.images.push_back(candidate);
auto child = root_image;
child.indirect_root = image_index;
specialization.images.push_back(child);
}
next.descriptors.push_back(candidate);
next.candidates.push_back(static_cast<uint32_t>(next.descriptors.size() - 1u));
} else {
next.candidates.push_back(static_cast<uint32_t>(found - next.descriptors.begin()));
}
snapshot.flattened_srt[mapping_offset + 1u + entry * 2u] = key;
snapshot.flattened_srt[mapping_offset + 2u + entry * 2u] = ordinal;
}
if (snapshot.images.size() == children_begin) {
snapshot.flattened_srt.resize(mapping_offset);
} else {
auto& root = specialization.images[image_index];
root.indirect_root = image_index;
root.indirect_mapping_offset = static_cast<uint32_t>(mapping_offset);
root.indirect_search_iterations = std::bit_width(keys.size());
}
result = std::move(next);
return true;
}
} // namespace
static bool MaterializeSnapshot(const ResourcePlan& program, const SrtRuntime& runtime,
MaterializedSnapshot& snapshot) {
if (!program.resource_tracking_complete) {
return false;
}
if (program.requires_specialization_memory && runtime.read_specialization_memory == nullptr) {
return false;
}
std::vector<DescriptorValue> values;
std::vector<uint32_t> flattened_srt;
std::vector<uint8_t> active_sources;
if (!EvaluateRuntimeSources(program, program.materialization_sources, runtime, values,
flattened_srt, program.clean_flat_slots, active_sources)) {
return false;
}
auto& next = snapshot.resources;
const auto& fill = program.uniform_fill;
const auto words = fill.fill.words;
std::array<uint32_t, 4> stored {};
if (words != 0 &&
EvaluateUniformValues(program, std::span(fill.values).first(words), runtime,
std::span(stored).first(words)) &&
std::all_of(stored.begin(), stored.begin() + words,
[&](uint32_t value) { return value == stored[0]; })) {
next.uniform_fill = fill.fill;
next.uniform_fill.value = stored[0];
}
auto cursor = values.begin();
next.buffers.assign(cursor, cursor + program.info.buffers.size());
cursor += program.info.buffers.size();
next.flattened_srt = std::move(flattened_srt);
next.images.resize(program.info.images.size());
for (uint32_t image_index = 0; image_index < program.info.images.size(); image_index++) {
const auto& image = program.info.images[image_index];
const auto* source = Source(program, image.source);
if (source != nullptr && source->indirect_image.has_value()) {
if (!active_sources[image.source]) {
next.images[image_index].dword_count = 8u;
continue;
}
const std::array requests {source->indirect_image->material_source,
source->indirect_image->heap_source};
SrtRuntime clean_runtime = runtime;
clean_runtime.read_memory = runtime.read_specialization_memory;
std::vector<DescriptorValue> tables;
if (!EvaluateDescriptorSources(program, requests, clean_runtime, tables)) {
return false;
}
const auto& material = tables[0];
const auto& heap = tables[1];
IndirectImage table;
if (!MaterializeIndirectImage(*source->indirect_image, material, heap, image.r128,
runtime, table)) {
return false;
}
next.images[image_index] = table.descriptors[table.candidates[0]];
if (table.descriptors.size() > 1u) {
table.resource = image_index;
snapshot.indirect_images.push_back(std::move(table));
}
} else {
auto descriptor = *cursor++;
if (!ValidImageDescriptor(descriptor, image.r128)) {
descriptor.dwords.fill(0);
}
next.images[image_index] = descriptor;
}
}
next.samplers.assign(cursor, cursor + program.info.samplers.size());
next.user_data.assign(runtime.user_data.begin(), runtime.user_data.end());
return true;
}
struct SamplerPlan {
std::array<uint32_t, ShaderInfo::MaxSamplers> point_sampler {};
uint32_t sampler_count = 0;
@@ -390,68 +315,12 @@ private:
template <typename Images>
bool BuildSamplerPlan(const ShaderInfo& base, const Images& images, SamplerPlan& plan);
static bool BuildResourceSpecialization(const ResourcePlan& program, MaterializedSnapshot snapshot,
ResourceSnapshot& specialized_snapshot,
static bool BuildResourceSpecialization(const ResourcePlan& program, ResourceSnapshot& snapshot,
ResourceSpecialization& specialization) {
auto next_snapshot = std::move(snapshot.resources);
ResourceSpecialization next_specialization;
next_specialization.buffers.reserve(program.info.buffers.size());
size_t image_count = program.info.images.size();
size_t mapping_words = 0;
for (const auto& table: snapshot.indirect_images) {
if (table.resource >= program.info.images.size() || table.descriptors.size() < 2u ||
image_count + table.descriptors.size() - 1u > ShaderInfo::MaxImages) {
return SpecializationFail(
"indirect image candidates exceed the dense image resource limit");
}
image_count += table.descriptors.size() - 1u;
mapping_words += 1u + table.keys.size() * 2u;
}
next_snapshot.images.reserve(image_count);
next_snapshot.flattened_srt.reserve(next_snapshot.flattened_srt.size() + mapping_words);
next_specialization.images.reserve(image_count);
for (const auto& image: program.info.images) {
next_specialization.images.push_back({
.numeric_class = image.numeric_class,
.dimension = image.dimension,
.mip_count = image.mip_count,
.conversion_format = image.conversion_format,
.shader_swizzle = image.shader_swizzle,
.indirect_root = image.indirect_root,
.indirect_mapping_offset = image.indirect_mapping_offset,
.indirect_search_iterations = image.indirect_search_iterations,
.cube = image.cube,
});
}
for (const auto& table: snapshot.indirect_images) {
const auto root_image = next_specialization.images[table.resource];
for (uint32_t candidate = 1; candidate < table.descriptors.size(); candidate++) {
auto image = root_image;
image.indirect_root = table.resource;
next_specialization.images.push_back(image);
next_snapshot.images.push_back(table.descriptors[candidate]);
}
auto& root = next_specialization.images[table.resource];
root.indirect_root = table.resource;
root.indirect_mapping_offset = static_cast<uint32_t>(next_snapshot.flattened_srt.size());
root.indirect_search_iterations = std::bit_width(table.keys.size());
next_snapshot.flattened_srt.resize(next_snapshot.flattened_srt.size() + 1u +
table.keys.size() * 2u);
std::vector<uint32_t> order(table.keys.size());
std::iota(order.begin(), order.end(), 0u);
std::ranges::sort(order, {}, [&](uint32_t index) { return table.keys[index]; });
next_snapshot.flattened_srt[root.indirect_mapping_offset] =
static_cast<uint32_t>(table.keys.size());
for (uint32_t entry = 0; entry < order.size(); entry++) {
const auto source = order[entry];
const auto offset = root.indirect_mapping_offset + 1u + entry * 2u;
next_snapshot.flattened_srt[offset] = table.keys[source];
next_snapshot.flattened_srt[offset + 1] = table.candidates[source];
}
next_snapshot.images[table.resource] = table.descriptors[0];
}
specialization.buffers.clear();
specialization.buffers.reserve(program.info.buffers.size());
for (uint32_t i = 0; i < program.info.buffers.size(); i++) {
auto& descriptor_value = next_snapshot.buffers[i];
auto& descriptor_value = snapshot.buffers[i];
ShaderBufferResource descriptor;
if (!DecodeBufferDescriptor(descriptor_value, descriptor)) {
return SpecializationFail(fmt::format("buffer descriptor {} has invalid width", i));
@@ -468,7 +337,7 @@ static bool BuildResourceSpecialization(const ResourcePlan& program, Materialize
} else if (!swizzle) {
packed_stride &= ~(3u << 16u);
}
next_specialization.buffers.push_back({
specialization.buffers.push_back({
.packed_stride = packed_stride,
.descriptor_format = program.info.buffers[i].formatted
? descriptor.Format()
@@ -477,9 +346,9 @@ static bool BuildResourceSpecialization(const ResourcePlan& program, Materialize
program.info.buffers[i].formatted ? descriptor.DstSelXYZW() : DstSel(4, 5, 6, 7),
});
}
for (uint32_t i = 0; i < next_specialization.images.size(); i++) {
const auto& descriptor = next_snapshot.images[i];
auto& image = next_specialization.images[i];
for (uint32_t i = 0; i < specialization.images.size(); i++) {
const auto& descriptor = snapshot.images[i];
auto& image = specialization.images[i];
const auto base_index = i < program.info.images.size() ? i : image.indirect_root;
if (base_index >= program.info.images.size()) {
return SpecializationFail(fmt::format("image resource {} has an invalid root", i));
@@ -554,42 +423,42 @@ static bool BuildResourceSpecialization(const ResourcePlan& program, Materialize
static_cast<uint32_t>(format)));
}
}
for (uint32_t root_index = 0; root_index < next_specialization.images.size(); root_index++) {
auto& root = next_specialization.images[root_index];
for (uint32_t root_index = 0; root_index < specialization.images.size(); root_index++) {
auto& root = specialization.images[root_index];
if (root.indirect_root != root_index) {
continue;
}
const auto key_count = root.indirect_mapping_offset < next_snapshot.flattened_srt.size()
? next_snapshot.flattened_srt[root.indirect_mapping_offset]
const auto key_count = root.indirect_mapping_offset < snapshot.flattened_srt.size()
? snapshot.flattened_srt[root.indirect_mapping_offset]
: 0u;
if (root.indirect_search_iterations == 0u || key_count < 2u ||
static_cast<size_t>(root.indirect_mapping_offset) + 1u +
static_cast<size_t>(key_count) * 2u >
next_snapshot.flattened_srt.size()) {
snapshot.flattened_srt.size()) {
return SpecializationFail("indirect image specialization has an invalid key mapping");
}
uint32_t exemplar = ImageResource::NoIndirectImage;
uint32_t resource_count = 0;
for (uint32_t resource = 0; resource < next_specialization.images.size(); resource++) {
if (next_specialization.images[resource].indirect_root != root_index) {
for (uint32_t resource = 0; resource < specialization.images.size(); resource++) {
if (specialization.images[resource].indirect_root != root_index) {
continue;
}
resource_count++;
if (exemplar == ImageResource::NoIndirectImage &&
!NullImageDescriptor(next_snapshot.images[resource])) {
!NullImageDescriptor(snapshot.images[resource])) {
exemplar = resource;
}
}
if (resource_count < 2u || exemplar == ImageResource::NoIndirectImage) {
return SpecializationFail("indirect image specialization has no typed candidate");
}
const auto& image_class = next_specialization.images[exemplar];
for (uint32_t candidate = 0; candidate < next_specialization.images.size(); candidate++) {
auto& image = next_specialization.images[candidate];
const auto& image_class = specialization.images[exemplar];
for (uint32_t candidate = 0; candidate < specialization.images.size(); candidate++) {
auto& image = specialization.images[candidate];
if (image.indirect_root != root_index) {
continue;
}
if (NullImageDescriptor(next_snapshot.images[candidate])) {
if (NullImageDescriptor(snapshot.images[candidate])) {
image.numeric_class = image_class.numeric_class;
image.dimension = image_class.dimension;
image.mip_count = image_class.mip_count;
@@ -610,18 +479,16 @@ static bool BuildResourceSpecialization(const ResourcePlan& program, Materialize
}
}
SamplerPlan sampler_plan;
if (!BuildSamplerPlan(program.info, next_specialization.images, sampler_plan)) {
if (!BuildSamplerPlan(program.info, specialization.images, sampler_plan)) {
return SpecializationFail("specialized sampler layout exceeds its resource limit");
}
for (uint32_t index = 0; index < program.info.samplers.size(); index++) {
const auto target = sampler_plan.point_sampler[index];
if (target != UINT32_MAX && target >= program.info.samplers.size()) {
next_snapshot.samplers.push_back(next_snapshot.samplers[index]);
snapshot.samplers.push_back(snapshot.samplers[index]);
}
}
ImageRemap(next_specialization).Apply(next_snapshot.images);
specialization = std::move(next_specialization);
specialized_snapshot = std::move(next_snapshot);
ImageRemap(specialization).Apply(snapshot.images);
return true;
}
@@ -935,28 +802,13 @@ ResourcePlan ExtractResourcePlan(const Program& program) {
for (uint32_t i = 0; i < plan.uniform_fill.fill.words; ++i) {
plan.uniform_fill.values[i] = Clone(plan.uniform_fill.values[i]);
}
plan.materialization_sources.reserve(plan.info.buffers.size() + plan.info.images.size() +
plan.info.samplers.size());
for (const auto& buffer: plan.info.buffers) {
plan.materialization_sources.push_back(buffer.source);
}
for (const auto& image: plan.info.images) {
const auto* source = Source(plan, image.source);
if (source != nullptr && source->indirect_image.has_value()) {
plan.requires_specialization_memory = true;
} else {
plan.materialization_sources.push_back(image.source);
}
}
for (const auto& sampler: plan.info.samplers) {
plan.materialization_sources.push_back(sampler.source);
}
plan.clean_flat_slots.resize(plan.srt_reads.size());
for (const auto& image: plan.info.images) {
const auto* source = Source(plan, image.source);
if (source == nullptr || !source->indirect_image.has_value()) {
continue;
}
plan.requires_specialization_memory = true;
MarkCleanFlatSlots(plan, Source(plan, source->indirect_image->material_source),
plan.clean_flat_slots);
MarkCleanFlatSlots(plan, Source(plan, source->indirect_image->heap_source),
@@ -967,11 +819,98 @@ ResourcePlan ExtractResourcePlan(const Program& program) {
bool MaterializeResources(const ResourcePlan& program, const SrtRuntime& runtime,
ResourceSnapshot& snapshot, ResourceSpecialization& specialization) {
MaterializedSnapshot materialized;
if (!MaterializeSnapshot(program, runtime, materialized)) {
if (!program.resource_tracking_complete ||
(program.requires_specialization_memory && runtime.read_specialization_memory == nullptr)) {
return false;
}
return BuildResourceSpecialization(program, std::move(materialized), snapshot, specialization);
SrtWalker clean(program, CleanRuntime(runtime));
SrtWalker walker(program, runtime, program.clean_flat_slots, &clean);
const auto active = clean.FindActiveSources();
if (!walker.RefreshFlatBuffer(snapshot.flattened_srt)) {
return false;
}
snapshot.uniform_fill = {};
const auto& fill = program.uniform_fill;
const auto words = fill.fill.words;
std::array<uint32_t, 4> stored {};
bool uniform_fill = words != 0;
for (uint32_t i = 0; i < words && uniform_fill; ++i) {
uniform_fill = clean.Evaluate(fill.values[i], stored[i]) && stored[i] == stored[0];
}
if (uniform_fill) {
snapshot.uniform_fill = fill.fill;
snapshot.uniform_fill.value = stored[0];
}
const auto evaluate = [&](uint32_t source, DescriptorValue& value) {
if (source >= program.descriptor_sources.size()) {
return false;
}
if (active.empty() || active[source]) {
return walker.EvaluateDescriptor(source, value);
}
value = {};
value.dword_count = program.descriptor_sources[source].dword_count;
return true;
};
snapshot.buffers.resize(program.info.buffers.size());
for (uint32_t i = 0; i < program.info.buffers.size(); ++i) {
if (!evaluate(program.info.buffers[i].source, snapshot.buffers[i])) {
return false;
}
}
snapshot.images.resize(program.info.images.size());
specialization.images.clear();
specialization.images.reserve(program.info.images.size());
for (const auto& image: program.info.images) {
specialization.images.push_back({
.numeric_class = image.numeric_class,
.dimension = image.dimension,
.mip_count = image.mip_count,
.conversion_format = image.conversion_format,
.shader_swizzle = image.shader_swizzle,
.indirect_root = image.indirect_root,
.indirect_mapping_offset = image.indirect_mapping_offset,
.indirect_search_iterations = image.indirect_search_iterations,
.cube = image.cube,
});
}
for (uint32_t i = 0; i < program.info.images.size(); ++i) {
const auto& image = program.info.images[i];
const auto* source = Source(program, image.source);
if (source == nullptr) {
return false;
}
if (source->indirect_image.has_value()) {
snapshot.images[i] = {.dword_count = 8u};
if (!active.empty() && !active[image.source]) {
continue;
}
const auto& indirect = *source->indirect_image;
DescriptorValue material;
DescriptorValue heap;
if (!clean.EvaluateDescriptor(indirect.material_source, material) ||
!clean.EvaluateDescriptor(indirect.heap_source, heap) ||
!MaterializeIndirectImage(program, indirect, material, heap, i, runtime, snapshot,
specialization)) {
return false;
}
} else {
if (!evaluate(image.source, snapshot.images[i])) {
return false;
}
if (!ValidImageDescriptor(snapshot.images[i], image.r128)) {
snapshot.images[i].dwords.fill(0);
}
}
}
snapshot.samplers.resize(program.info.samplers.size());
for (uint32_t i = 0; i < program.info.samplers.size(); ++i) {
if (!evaluate(program.info.samplers[i].source, snapshot.samplers[i])) {
return false;
}
}
snapshot.user_data.assign(runtime.user_data.begin(), runtime.user_data.end());
return BuildResourceSpecialization(program, snapshot, specialization);
}
void ApplyResourceSpecialization(Program& program, const ResourceSpecialization& specialization) {
@@ -39,8 +39,7 @@ struct ResourceSpecialization {
// its values and is independent of the translated shader CFG.
ResourcePlan ExtractResourcePlan(const Program& program);
// Resolves and specializes the immutable resource plan in one transaction. On failure both
// destinations are unchanged.
// Refreshes cached resources and specialization in place. A failed refresh must not be used.
bool MaterializeResources(const ResourcePlan& program, const SrtRuntime& runtime,
ResourceSnapshot& snapshot, ResourceSpecialization& specialization);
File diff suppressed because it is too large Load Diff
@@ -26,26 +26,42 @@ enum class RuntimeValueType { Any, Integer };
void BuildSrtPlan(Program& program);
bool ValidateRuntimeValue(const ResourcePlan& program, Value value,
RuntimeValueType type = RuntimeValueType::Any);
bool EvaluateUniformValues(const ResourcePlan& program, std::span<const Value> values,
const SrtRuntime& runtime, std::span<uint32_t> results);
// Uses the strict reader for values that affect shader specialization.
SrtRuntime CleanRuntime(SrtRuntime runtime);
bool EvaluateDescriptorSource(const ResourcePlan& program, uint32_t source,
const SrtRuntime& runtime, DescriptorValue& result);
// One memoized evaluation session shared by the entire shader resource refresh.
class SrtWalker {
public:
SrtWalker(const ResourcePlan& program, const SrtRuntime& runtime,
std::span<const uint8_t> clean_flat_slots = {}, SrtWalker* clean_evaluator = nullptr,
Value active_mask = {});
~SrtWalker();
SrtWalker(const SrtWalker&) = delete;
SrtWalker& operator=(const SrtWalker&) = delete;
// Evaluates one runtime snapshot transactionally. Scalar values and ReadConst results shared by
// several descriptors are memoized once across the batch.
bool EvaluateDescriptorSources(const ResourcePlan& program, std::span<const uint32_t> sources,
const SrtRuntime& runtime, std::vector<DescriptorValue>& results);
bool Evaluate(Value value, uint32_t& result);
bool EvaluateDescriptor(uint32_t source, DescriptorValue& result);
// An empty span means that all sources are active.
std::span<const uint8_t> FindActiveSources();
bool RefreshFlatBuffer(std::vector<uint32_t>& flat);
// Evaluates potentially reachable descriptor sources and the flattened immediate SRT with one
// memoized scalar walk. Inactive descriptors are zero; on failure no destination is changed.
bool EvaluateRuntimeSources(const ResourcePlan& program, std::span<const uint32_t> sources,
const SrtRuntime& runtime, std::vector<DescriptorValue>& results,
std::vector<uint32_t>& flat, std::span<const uint8_t> clean_flat_slots,
std::vector<uint8_t>& active_sources);
private:
static ResourcePlan::EvaluationContext& AcquireContext(const ResourcePlan& program);
static float Float32(uint64_t bits);
bool EvaluateWide(Value value, uint64_t& result);
bool Arg(const Inst& inst, size_t index, uint64_t& result);
bool EvaluatePhi(const Inst& inst, uint64_t& result);
bool EvaluateExtract(const Inst& inst, uint64_t& result);
bool EvaluateRawRead(const Inst& inst, uint64_t& result);
bool EvaluateInst(const Inst& inst, uint64_t& result);
bool WalkSrt(const ResourcePlan& program, const SrtRuntime& runtime,
std::vector<uint32_t>& flat);
const ResourcePlan& m_program;
SrtRuntime m_runtime;
std::span<const uint8_t> m_clean_flat_slots;
SrtWalker* m_clean_evaluator = nullptr;
Value m_active_mask;
ResourcePlan::EvaluationContext& m_context;
};
} // namespace Libs::Graphics::ShaderRecompiler::IR
+2 -2
View File
@@ -51,10 +51,10 @@ struct CompiledShaderInfo;
struct ShaderStageRuntime {
const ShaderRecompiler::IR::CompiledShaderInfo* program = nullptr;
ShaderRecompiler::IR::ResourceSnapshot resources;
const ShaderRecompiler::IR::ResourceSnapshot* resources = nullptr;
[[nodiscard]] explicit operator bool() const {
return program != nullptr;
return program != nullptr && resources != nullptr;
}
};