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shader: accept indirect image rows whose type reads the leading sample coordinates

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This commit is contained in:
Claxten
2026-10-26 17:33:47 +01:00
committed by nmzik
parent dfcf1c0b03
commit d3768c00e9
2 changed files with 130 additions and 4 deletions
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tests/ShaderRecompilerComputeTests.cpp
+104 -1
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@@ -18053,7 +18053,8 @@ public:
image.dimension == ShaderRecompiler::Decoder::ImageDimension::Dim2DArray;
if (image.resource_class == ShaderRecompiler::IR::ImageResourceClass::Sampled) {
supported = supported ||
image.dimension == ShaderRecompiler::Decoder::ImageDimension::Dim1DArray;
image.dimension == ShaderRecompiler::Decoder::ImageDimension::Dim1DArray ||
image.dimension == ShaderRecompiler::Decoder::ImageDimension::Dim3D;
}
Require(test.name, "dispatch", supported,
"unsupported image dimension needs a matching Vulkan test view");
@@ -41990,6 +41991,106 @@ void CheckWaterfallFloorImageTable(VulkanHarness &vulkan) {
std::printf("[compute] %s ok\n", test.name);
}
void CheckMixedDimensionImageTable(VulkanHarness &vulkan) {
using O = ShaderOpcode;
constexpr u32 base = 256u, table_offset = 0x100u, rows = 4u;
// Row 0 is a one-slice 2D array under a 3D sample: it reads the leading two coordinates and
// clamps the third to its slice. A second slice or a LOD operand would read the third instead,
// and a 3D row 0 under a 2D sample, or 2D rows under a 1D sample, would read a coordinate the
// sample does not supply.
constexpr std::array names{"MixedDimensionImageTable", "MixedDimensionImageTableLod",
"MixedDimensionImageTableSlices", "MixedDimensionImageTableFlat",
"MixedDimensionImageTableLine"};
for (u32 variant = 0; variant < names.size(); ++variant) {
const bool lod = variant == 1u, slices = variant == 2u, flat = variant == 3u,
line = variant == 4u;
TestCase test;
test.name = names[variant];
test.dispatch_x = rows;
test.bda_mappings = {{0u, 0u}};
test.initial.resize((base + table_offset + rows * 32u) / 4u);
for (u32 row = 0; row < rows; ++row) {
auto image = MakeSampledTextureData(Prospero::BufferFormat::k32Float);
image[0] = row + 1u;
auto type = row == 0u ? Prospero::ImageType::kColor2DArray : Prospero::ImageType::kColor3D;
if (flat) type = row == 0u ? Prospero::ImageType::kColor3D : Prospero::ImageType::kColor2D;
if (line) type = row == 0u ? Prospero::ImageType::kColor1D : Prospero::ImageType::kColor2D;
image[3] = DstSel(4, 0, 0, 1) | (static_cast<u32>(type) << 28u);
image[4] = row == 0u && slices ? 1u : 0u;
std::copy_n(image.begin(), 8, test.initial.begin() + (base + table_offset + row * 32u) / 4u);
}
test.user_data[0] = base;
const auto output = MakeStructuredStorageBufferData(0u, rows * 4u);
std::copy_n(output.begin(), 4, test.user_data.begin() + 48);
test.has_user_data = test.has_compute_info = true;
test.compute_info.wave_size = 64u;
test.compute_info.threads_num[0] = test.compute_info.threads_num[1] =
test.compute_info.threads_num[2] = 1u;
test.compute_info.group_id[0] = true;
test.compute_info.workgroup_register = 44u;
u32 dim = 2u;
if (flat) dim = 1u;
if (line) dim = 0u;
auto &code = test.code;
AppendVMovLiteral(&code, 10, std::bit_cast<u32>(0.5f));
AppendVMovLiteral(&code, 11, std::bit_cast<u32>(0.5f));
AppendVMovLiteral(&code, 12, std::bit_cast<u32>(0.5f));
AppendVMovLiteral(&code, 13, 0u);
code.insert(code.end(), {EncodeSop2(0x1e, 23, 44, InlineU32(5)),
EncodeSop2(0x02, 23, 23, 255), table_offset, EncodeSmem0(0x03, 8), EncodeSmem1(0, 23),
EncodeMimg0(lod ? 0x24 : 0x27, 1, 0, false, dim), EncodeMimg1(5, 10, 2, 13),
EncodeSop2(0x1e, 25, 44, InlineU32(2)), EncodeVop1(0x01, 30, 25)});
AppendBufferStoreDword(&code, 5, 30);
AppendEnd(&code);
if (variant != 0u) {
ShaderRecompiler::CompileOptions options;
options.user_data = test.user_data;
options.input_info.compute = &test.compute_info;
auto translated = ShaderRecompiler::TranslateProgram(test.code, options);
const auto plan = LoadedResourcePlan(test.name, translated.program);
ShaderRecompiler::IR::ResourceSnapshot snapshot;
ShaderRecompiler::IR::ResourceSpecialization specialization;
const std::array workgroup_counts{rows, 1u, 1u};
const ShaderRecompiler::IR::SrtRuntime runtime{
.user_data = test.user_data,
.userdata = &test.initial,
.read_specialization_memory = ReadTestMemory,
.workgroup_counts = workgroup_counts,
};
FakeGuestMemory fake(ReadTestMemory, runtime.userdata);
Require(test.name, "coordinate layout",
!ShaderRecompiler::IR::MaterializeResources(plan, runtime, snapshot, specialization),
"a candidate read a coordinate outside its layout");
continue;
}
test.opcodes = {O::V_MOV_B32, O::S_LSHL_B32, O::S_ADD_I32, O::S_LOAD_DWORDX8,
O::IMAGE_SAMPLE, O::BUFFER_STORE_DWORD, O::S_ENDPGM};
const auto compiled = CompileCase(test, vulkan.SubgroupSize());
std::vector<VulkanHarness::Image> images;
for (const auto &descriptor : compiled.resources.images) {
const bool volume =
(descriptor.dwords[3] >> 28u) == static_cast<u32>(Prospero::ImageType::kColor3D);
images.push_back(vulkan.CreateImageMips(test.name, 1, 1, vk::Format::eR32Sfloat,
vk::ImageUsageFlagBits::eSampled,
{{std::bit_cast<u32>(static_cast<float>(descriptor.dwords[0]))}}, 1,
vk::ImageLayout::eShaderReadOnlyOptimal, volume ? vk::ImageType::e3D : vk::ImageType::e2D,
volume ? vk::ImageViewType::e3D : vk::ImageViewType::e2D, 1));
}
const auto sampler = vulkan.CreateSampler(test.name, 1);
auto buffer = vulkan.CreateStorageBuffer(test.name, test.initial, test.initial.size(), true);
vulkan.Dispatch(test, compiled, buffer, nullptr, nullptr, nullptr, nullptr, sampler, images);
std::vector<u32> expected;
for (u32 row = 0; row < rows; ++row)
expected.push_back(std::bit_cast<u32>(static_cast<float>(row + 1u)));
CompareWords(test, "mixed dimension rows", expected,
vulkan.ReadBuffer(test.name, buffer, expected.size()));
vulkan.DestroyBuffer(&buffer);
vulkan.Device().destroySampler(sampler);
for (auto &image : images) vulkan.DestroyImage(&image);
std::printf("[compute] %s ok\n", test.name);
}
}
void CheckNestedPointerImageTable(VulkanHarness &vulkan) {
using O = ShaderOpcode;
constexpr u32 list_address = 160;
@@ -52455,6 +52556,7 @@ int main(int argc, char **argv) {
CheckPointerImageTable(vulkan);
CheckWorkgroupDividedImageTable(vulkan);
CheckWaterfallFloorImageTable(vulkan);
CheckMixedDimensionImageTable(vulkan);
CheckNestedPointerImageTable(vulkan);
CheckGuardedRecordImageTable(vulkan);
CheckIndirectImageKeySwitch(vulkan);
@@ -52635,6 +52737,7 @@ int main(int argc, char **argv) {
CheckPointerImageTable(vulkan);
CheckWorkgroupDividedImageTable(vulkan);
CheckWaterfallFloorImageTable(vulkan);
CheckMixedDimensionImageTable(vulkan);
CheckNestedPointerImageTable(vulkan);
CheckGuardedRecordImageTable(vulkan);
CheckIndirectImageKeySwitch(vulkan);