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Address review comments

master
Liam 2022-03-17 14:45:38 +07:00
parent e228a40db8
commit 3009d0bd7d
4 changed files with 36 additions and 52 deletions
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15
src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp
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@ -125,7 +125,6 @@ std::optional<OutAttr> OutputAttrPointer(EmitContext& ctx, IR::Attribute attr) {
Id GetCbuf(EmitContext& ctx, Id result_type, Id UniformDefinitions::*member_ptr, u32 element_size,
const IR::Value& binding, const IR::Value& offset, const Id indirect_func) {
Id buffer_offset;
const Id uniform_type{ctx.uniform_types.*member_ptr};
if (offset.IsImmediate()) {
// Hardware been proved to read the aligned offset (e.g. LDC.U32 at 6 will read offset 4)
@ -138,16 +137,12 @@ Id GetCbuf(EmitContext& ctx, Id result_type, Id UniformDefinitions::*member_ptr,
} else {
buffer_offset = ctx.Def(offset);
}
if (binding.IsImmediate()) {
const Id cbuf{ctx.cbufs[binding.U32()].*member_ptr};
const Id access_chain{
ctx.OpAccessChain(uniform_type, cbuf, ctx.u32_zero_value, buffer_offset)};
return ctx.OpLoad(result_type, access_chain);
} else {
const std::array<Id, 2> arguments{ctx.Def(binding), buffer_offset};
return ctx.OpFunctionCall(result_type, indirect_func, arguments);
if (!binding.IsImmediate()) {
return ctx.OpFunctionCall(result_type, indirect_func, ctx.Def(binding), buffer_offset);
}
const Id cbuf{ctx.cbufs[binding.U32()].*member_ptr};
const Id access_chain{ctx.OpAccessChain(uniform_type, cbuf, ctx.u32_zero_value, buffer_offset)};
return ctx.OpLoad(result_type, access_chain);
}
Id GetCbufU32(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset) {

11
src/shader_recompiler/backend/spirv/spirv_emit_context.cpp
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@ -994,7 +994,7 @@ void EmitContext::DefineConstantBuffers(const Info& info, u32& binding) {
}
return;
}
IR::Type types{info.used_constant_buffer_types};
IR::Type types{info.used_constant_buffer_types | info.used_indirect_cbuf_types};
if (True(types & IR::Type::U8)) {
if (profile.support_int8) {
DefineConstBuffers(*this, info, &UniformDefinitions::U8, binding, U8, 'u', sizeof(u8));
@ -1032,7 +1032,6 @@ void EmitContext::DefineConstantBufferIndirectFunctions(const Info& info) {
if (!info.uses_cbuf_indirect) {
return;
}
const auto make_accessor{[&](Id buffer_type, Id UniformDefinitions::*member_ptr) {
const Id func_type{TypeFunction(buffer_type, U32[1], U32[1])};
const Id func{OpFunction(buffer_type, spv::FunctionControlMask::MaskNone, func_type)};
@ -1050,10 +1049,8 @@ void EmitContext::DefineConstantBufferIndirectFunctions(const Info& info) {
buf_labels[i] = OpLabel();
buf_literals[i] = Sirit::Literal{i};
}
OpSelectionMerge(merge_label, spv::SelectionControlMask::MaskNone);
OpSwitch(binding, buf_labels[0], buf_literals, buf_labels);
for (u32 i = 0; i < Info::MAX_CBUFS; i++) {
AddLabel(buf_labels[i]);
const Id cbuf{cbufs[i].*member_ptr};
@ -1061,16 +1058,12 @@ void EmitContext::DefineConstantBufferIndirectFunctions(const Info& info) {
const Id result{OpLoad(buffer_type, access_chain)};
OpReturnValue(result);
}
AddLabel(merge_label);
OpUnreachable();
OpFunctionEnd();
return func;
}};
IR::Type types{info.used_constant_buffer_types};
IR::Type types{info.used_indirect_cbuf_types};
if (True(types & IR::Type::U8)) {
load_const_func_u8 = make_accessor(U8, &UniformDefinitions::U8);
}

61
src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp
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@ -45,6 +45,30 @@ void AddRegisterIndexedLdc(Info& info) {
}
}
u32 GetElementSize(IR::Type& used_type, Shader::IR::Opcode opcode) {
switch (opcode) {
case IR::Opcode::GetCbufU8:
case IR::Opcode::GetCbufS8:
used_type |= IR::Type::U8;
return 1;
case IR::Opcode::GetCbufU16:
case IR::Opcode::GetCbufS16:
used_type |= IR::Type::U16;
return 2;
case IR::Opcode::GetCbufU32:
used_type |= IR::Type::U32;
return 4;
case IR::Opcode::GetCbufF32:
used_type |= IR::Type::F32;
return 4;
case IR::Opcode::GetCbufU32x2:
used_type |= IR::Type::U32x2;
return 8;
default:
throw InvalidArgument("Invalid opcode {}", opcode);
}
}
void GetPatch(Info& info, IR::Patch patch) {
if (!IR::IsGeneric(patch)) {
throw NotImplementedException("Reading non-generic patch {}", patch);
@ -481,45 +505,16 @@ void VisitUsages(Info& info, IR::Inst& inst) {
const IR::Value offset{inst.Arg(1)};
if (index.IsImmediate()) {
AddConstantBufferDescriptor(info, index.U32(), 1);
} else {
AddRegisterIndexedLdc(info);
}
u32 element_size{};
switch (inst.GetOpcode()) {
case IR::Opcode::GetCbufU8:
case IR::Opcode::GetCbufS8:
info.used_constant_buffer_types |= IR::Type::U8;
element_size = 1;
break;
case IR::Opcode::GetCbufU16:
case IR::Opcode::GetCbufS16:
info.used_constant_buffer_types |= IR::Type::U16;
element_size = 2;
break;
case IR::Opcode::GetCbufU32:
info.used_constant_buffer_types |= IR::Type::U32;
element_size = 4;
break;
case IR::Opcode::GetCbufF32:
info.used_constant_buffer_types |= IR::Type::F32;
element_size = 4;
break;
case IR::Opcode::GetCbufU32x2:
info.used_constant_buffer_types |= IR::Type::U32x2;
element_size = 8;
break;
default:
break;
}
if (index.IsImmediate()) {
u32 element_size = GetElementSize(info.used_constant_buffer_types, inst.GetOpcode());
u32& size{info.constant_buffer_used_sizes[index.U32()]};
if (offset.IsImmediate()) {
size = Common::AlignUp(std::max(size, offset.U32() + element_size), 16u);
} else {
size = 0x10'000;
}
} else {
AddRegisterIndexedLdc(info);
GetElementSize(info.used_indirect_cbuf_types, inst.GetOpcode());
}
break;
}

1
src/shader_recompiler/shader_info.h
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@ -177,6 +177,7 @@ struct Info {
IR::Type used_constant_buffer_types{};
IR::Type used_storage_buffer_types{};
IR::Type used_indirect_cbuf_types{};
u32 constant_buffer_mask{};
std::array<u32, MAX_CBUFS> constant_buffer_used_sizes{};