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shader: materialize compact image and paired sampler tables

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Co-authored-by: fxpw <fxpw@outlook.com>
This commit is contained in:
nmzik
2026-10-15 03:02:55 +02:00
parent 7d24972b8f
commit 81169d77ea
4 changed files with 250 additions and 55 deletions
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tests/ResourceTrackingTests.cpp
+138
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@@ -2933,6 +2933,143 @@ void TestUniformScalarBufferImage() {
"unavailable nested image table was accepted");
}
void TestCompactScalarImageTable() {
using F = Libs::Graphics::Prospero::BufferFormat;
constexpr uint32_t stride = 0x330u, image_offset = 0x98u, sampler_offset = 0x88u;
const auto make_plan = [&](bool compact, uint32_t invalid = 0u) {
Fixture fixture;
const auto list = invalid == 1u
? fixture.Address(fixture.UserData(0), fixture.UserData(1))
: fixture.Buffer({fixture.UserData(0), fixture.UserData(1),
fixture.UserData(2), fixture.UserData(3)});
const auto table = fixture.Buffer({fixture.UserData(4), fixture.UserData(5),
fixture.UserData(6), fixture.UserData(7)});
// Uniform on the GPU, but no CPU-evaluable row or workgroup-prefix proof.
const auto group = fixture.Emit(ValueOpcode::GetBuiltin,
{Value(static_cast<uint32_t>(StageInputKind::WorkgroupId)), Value(0u)});
const auto index = fixture.Emit(ValueOpcode::BitwiseXor32, {group, Value(1u)});
const auto offset = fixture.Emit(invalid == 2u ? ValueOpcode::UDiv32
: ValueOpcode::ShiftLeftLogical32,
{index, Value(2u)});
MemoryInfo scalar;
scalar.kind = invalid == 1u ? ResourceKind::ScalarAddress : ResourceKind::ScalarBuffer;
const auto key = invalid == 1u
? fixture.Emit(ValueOpcode::LoadAddressU32, {list, offset, Value(0u), Value(true)},
fixture.AddMemory(scalar, 0x570u))
: fixture.Emit(ValueOpcode::ReadConstBuffer, {list, offset},
fixture.AddMemory(scalar, 0x570u));
const auto record = fixture.Emit(ValueOpcode::IMul32, {key, Value(stride)});
scalar.kind = ResourceKind::ScalarBuffer;
std::array<Value, 8> image_words;
std::array<Value, 4> sampler_words;
for (uint32_t word = 0; word < 8u; ++word) {
scalar.offset = image_offset + word * 4u;
image_words[word] = compact && word >= 4u ? Value(0u)
: fixture.Emit(ValueOpcode::ReadConstBuffer, {table, record},
fixture.AddMemory(scalar, 0x590u));
if (word < 4u) {
scalar.offset = sampler_offset + word * 4u;
sampler_words[word] = fixture.Emit(ValueOpcode::ReadConstBuffer, {table, record},
fixture.AddMemory(scalar, 0x590u));
}
}
if (invalid == 3u) image_words[7] = Value(1u);
const auto image = fixture.Image(image_words, 0x59cu);
MemoryInfo sample;
sample.kind = ResourceKind::Image;
sample.image_dimension = Decoder::ImageDimension::Dim2D;
sample.image_r128 = compact;
const auto sampler = fixture.Sampler(sampler_words, 0x59cu);
fixture.Emit(ValueOpcode::ImageSampleRaw,
{image, sampler, fixture.ImageAddress(), Value(true)}, fixture.AddMemory(sample, 0x59cu));
if (invalid == 4u) {
sample.image_r128 = false;
fixture.Emit(ValueOpcode::ImageSampleRaw,
{image, sampler, fixture.ImageAddress(), Value(true)}, fixture.AddMemory(sample, 0x5a0u));
}
fixture.PlanAndTrack();
const auto &source = fixture.program.descriptor_sources[fixture.program.info.samplers[0].source];
Check(source.indirect_descriptor && source.indirect_descriptor->selector &&
source.indirect_descriptor->selector->stride == 4u &&
source.indirect_descriptor->selector_first.IsEmpty() &&
source.indirect_descriptor->key_count.IsEmpty() &&
source.indirect_descriptor->table_stride == stride &&
source.indirect_descriptor->table_immediate == sampler_offset,
"compact image sampler lost its complete bounded index-list domain");
return ExtractResourcePlan(fixture.program);
};
for (const bool compact : {false, true}) {
auto plan = make_plan(compact);
const uint32_t width = compact ? 4u : 8u;
const auto bytes = 2u * stride + image_offset + width * 4u;
std::array<uint32_t, 8> data{0x1000u, 0u, 8u, 0u, 0x2000u, 0u, bytes, 0u};
struct Memory : LinearTestMemory { uint32_t selector_attempts = 0; } memory;
memory.words.resize((0x1000u + bytes) / 4u, 0xdeadbeefu);
memory.words[0] = 2u;
memory.words[1] = 1u;
for (uint32_t row = 0; row < 3u; ++row) {
auto at = memory.words.begin() + (0x1000u + row * stride + sampler_offset) / 4u;
std::fill_n(at, 4u, 0u);
at[0] = row;
at += 4;
std::fill_n(at, width, 0u);
at[0] = 0x100u + row;
at[1] = static_cast<uint32_t>(F::k32_32_32_32Float) << 20u;
at[3] = Libs::Graphics::DstSel(4, 5, 6, 7) |
(static_cast<uint32_t>(Libs::Graphics::Prospero::ImageType::kColor2D) << 28u);
if (!compact) at[5] = 0x00700000u;
}
memory.fail_address = 0x2000u + bytes; // Last descriptor ends at the readable boundary.
SrtRuntime runtime{.user_data = data, .userdata = &memory,
.read_specialization_memory = [](void *userdata, uint64_t address,
std::span<uint32_t> words) {
auto &memory = *static_cast<Memory *>(userdata);
if (address == memory.base) ++memory.selector_attempts;
return ReadLinearTestMemory(&memory, address, words);
}};
ResourceSnapshot snapshot;
ResourceSpecialization specialization;
const auto materialize = [&] {
Check(MaterializeResources(plan, runtime, snapshot, specialization),
"paired compact image/sampler table did not materialize");
Check(snapshot.images.size() == 4u && snapshot.samplers.size() == 3u,
"paired table omitted an image, index-list value or OOB zero key");
for (const auto &image : snapshot.images) {
Check(image.dword_count == 8u, "compact image escaped normalized eight-DWORD ABI");
if (compact) Check(std::ranges::all_of(std::span(image.dwords).subspan(4u),
[](uint32_t word) { return word == 0u; }),
"R128 image copied poisoned adjacent record fields");
}
};
materialize();
const auto original = specialization;
memory.words[(0x1000u + stride + image_offset) / 4u] = 0x201u;
materialize();
Check(specialization == original && std::ranges::any_of(snapshot.images,
[](const auto &image) { return image.dwords[0] == 0x201u; }),
"compact descriptor payload refresh changed specialization or stayed stale");
data[2] = 4u;
Check(MaterializeResources(plan, runtime, snapshot, specialization) && snapshot.samplers.size() == 2u,
"index-list count refresh retained a stale sampler candidate");
data[2] = 0u;
Check(MaterializeResources(plan, runtime, snapshot, specialization) && snapshot.samplers.size() == 1u &&
snapshot.samplers[0].dwords[0] == 0u,
"empty index list lost the scalar OOB zero key");
data[2] = 8u;
memory.fail_address = 0x1004u;
Check(!MaterializeResources(plan, runtime, snapshot, specialization),
"unreadable selected index-list bytes were accepted");
memory.fail_address = UINT64_MAX;
data[2] = (MaxIndirectDescriptorProbes + 1u) * 4u;
memory.selector_attempts = 0u;
Check(!MaterializeResources(plan, runtime, snapshot, specialization) && memory.selector_attempts == 0u,
"oversized index list was read before the existing probe cap");
}
for (uint32_t invalid : {1u, 2u, 3u, 4u})
CheckFatal([&] { make_plan(true, invalid); }, "not a valid runtime value",
"compact table accepted an unproved selector or inconsistent descriptor width");
}
void TestScalarBufferSelectorDomain() {
const auto make_plan = [](bool active = true, bool sparse = false, bool uniformize_first = false) {
Fixture fixture;
@@ -7313,6 +7450,7 @@ int main() {
Run("uniformized material image keys", TestUniformizedMaterialImageKeys);
Run("image descriptor fields", TestImageDescriptorFields);
Run("draw-uniform scalar image", TestUniformScalarBufferImage);
Run("compact scalar image table", TestCompactScalarImageTable);
Run("scalar buffer selector domain", TestScalarBufferSelectorDomain);
Run("private LDS forwarding", TestPrivateLdsForwarding);
Run("counted row image selector", TestCountedRowImageSelector);