Mirrors/shadPS4
1
0
Fork 0
mirror of https://github.com/shadps4-emu/shadPS4.git synced 2025-05-23 11:55:00 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 6

renderer_vulkan: use LDS buffer as SSBO on unsupported shared memory size (#2245)

Browse source 
* renderer_vulkan: use LDS buffer as SSBO on unsupported shared memory size

* shader_recompiler: add `v_trunc_f64` on inst format table
This commit is contained in:
poly 2025-01-31 12:52:31 +01:00 • committed by GitHub
parent 8aea0fc7ee
commit eed4de1da9
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
14 changed files with 147 additions and 36 deletions
Download patch file Download diff file Expand all files Collapse all files

45
src/shader_recompiler/backend/spirv/spirv_emit_context.cpp
View file

@ -65,17 +65,17 @@ void Name(EmitContext& ctx, Id object, std::string_view format_str, Args&&... ar
} // Anonymous namespace
EmitContext::EmitContext(const Profile& profile_, const RuntimeInfo& runtime_info_,
const Info& info_, Bindings& binding_)
EmitContext::EmitContext(const Profile& profile_, const RuntimeInfo& runtime_info_, Info& info_,
Bindings& binding_)
: Sirit::Module(profile_.supported_spirv), info{info_}, runtime_info{runtime_info_},
profile{profile_}, stage{info.stage}, l_stage{info.l_stage}, binding{binding_} {
AddCapability(spv::Capability::Shader);
DefineArithmeticTypes();
DefineInterfaces();
DefineSharedMemory();
DefineBuffers();
DefineTextureBuffers();
DefineImagesAndSamplers();
DefineSharedMemory();
}
EmitContext::~EmitContext() = default;
@ -852,20 +852,45 @@ void EmitContext::DefineSharedMemory() {
if (!info.uses_shared) {
return;
}
const u32 max_shared_memory_size = profile.max_shared_memory_size;
u32 shared_memory_size = runtime_info.cs_info.shared_memory_size;
if (shared_memory_size == 0) {
shared_memory_size = DefaultSharedMemSize;
}
const u32 max_shared_memory_size = runtime_info.cs_info.max_shared_memory_size;
ASSERT(shared_memory_size <= max_shared_memory_size);
const u32 num_elements{Common::DivCeil(shared_memory_size, 4U)};
const Id type{TypeArray(U32[1], ConstU32(num_elements))};
shared_memory_u32_type = TypePointer(spv::StorageClass::Workgroup, type);
shared_u32 = TypePointer(spv::StorageClass::Workgroup, U32[1]);
shared_memory_u32 = AddGlobalVariable(shared_memory_u32_type, spv::StorageClass::Workgroup);
interfaces.push_back(shared_memory_u32);
if (shared_memory_size <= max_shared_memory_size) {
shared_memory_u32_type = TypePointer(spv::StorageClass::Workgroup, type);
shared_u32 = TypePointer(spv::StorageClass::Workgroup, U32[1]);
shared_memory_u32 = AddGlobalVariable(shared_memory_u32_type, spv::StorageClass::Workgroup);
Name(shared_memory_u32, "shared_mem");
interfaces.push_back(shared_memory_u32);
} else {
shared_memory_u32_type = TypePointer(spv::StorageClass::StorageBuffer, type);
shared_u32 = TypePointer(spv::StorageClass::StorageBuffer, U32[1]);
Decorate(type, spv::Decoration::ArrayStride, 4);
const Id struct_type{TypeStruct(type)};
Name(struct_type, "shared_memory_buf");
Decorate(struct_type, spv::Decoration::Block);
MemberName(struct_type, 0, "data");
MemberDecorate(struct_type, 0, spv::Decoration::Offset, 0U);
const Id struct_pointer_type{TypePointer(spv::StorageClass::StorageBuffer, struct_type)};
const Id ssbo_id{AddGlobalVariable(struct_pointer_type, spv::StorageClass::StorageBuffer)};
Decorate(ssbo_id, spv::Decoration::Binding, binding.unified++);
Decorate(ssbo_id, spv::Decoration::DescriptorSet, 0U);
Name(ssbo_id, "shared_mem_ssbo");
shared_memory_u32 = ssbo_id;
info.has_emulated_shared_memory = true;
info.shared_memory_size = shared_memory_size;
interfaces.push_back(ssbo_id);
}
}
} // namespace Shader::Backend::SPIRV