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gpu: store large compute shared memory in device buffers

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This commit is contained in:
nmzik
2026-10-04 22:07:07 +04:00
parent 0ee8800905
commit b0bbaef1eb
17 changed files with 269 additions and 69 deletions
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src/graphics/shader/recompiler/backend/spirv/SpirvEmitter.cpp
+8 -4
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@@ -18,7 +18,7 @@ namespace {
std::abort();
}
void ValidateNativeProgram(const IR::Program& program) {
void ValidateNativeProgram(const IR::Program& program, bool lds_storage) {
using Kind = IR::DescriptorBindingKind;
constexpr auto KindCount = static_cast<size_t>(Kind::Count);
std::array<std::vector<uint32_t>, KindCount> expected;
@@ -53,11 +53,14 @@ void ValidateNativeProgram(const IR::Program& program) {
Expect(Kind::Samplers, Dense(program.info.samplers.size()));
}
auto& buffers = expected[static_cast<size_t>(Kind::Buffers)];
const bool uses_gds = IR::CollectMemoryResources(program, buffers);
const auto shared = IR::CollectMemoryResources(program, buffers);
present[static_cast<size_t>(Kind::Buffers)] = !buffers.empty();
if (uses_gds) {
if (shared.gds) {
Expect(Kind::Gds);
}
if (shared.lds && lds_storage) {
Expect(Kind::SharedMemory);
}
if (program.info.uses_dma) {
Expect(Kind::BdaPagetable);
Expect(Kind::FaultBuffer);
@@ -344,7 +347,8 @@ std::vector<uint32_t> EmitProgram(const IR::Program& program,
!program.shader_info_complete || !program.binding_layout_complete) {
Fail(program, "SPIR-V emitter requires a fully planned native shader program");
}
ValidateNativeProgram(program);
ValidateNativeProgram(program, program.stage == ShaderType::Compute &&
input_info.compute != nullptr && input_info.compute->lds_storage);
IR::ValidateProgram(program, true);
EmitterState state(program, input_info);
const auto* workgroup = ShaderWorkgroupInput(program.stage, input_info);