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MacroHLE: Add HLE replacement for base vertex and base instance.

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This commit is contained in:
Fernando Sahmkow 2022-11-09 17:58:10 +01:00
parent 209ce46a9f
commit 7842543573
22 changed files with 265 additions and 70 deletions
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8
src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp
View file

@ -339,6 +339,10 @@ Id EmitGetAttribute(EmitContext& ctx, IR::Attribute attr, Id vertex) {
const Id base{ctx.OpLoad(ctx.U32[1], ctx.base_vertex)};
return ctx.OpBitcast(ctx.F32[1], ctx.OpISub(ctx.U32[1], index, base));
}
case IR::Attribute::BaseInstance:
return ctx.OpBitcast(ctx.F32[1], ctx.OpLoad(ctx.U32[1], ctx.base_instance));
case IR::Attribute::BaseVertex:
return ctx.OpBitcast(ctx.F32[1], ctx.OpLoad(ctx.U32[1], ctx.base_vertex));
case IR::Attribute::FrontFace:
return ctx.OpSelect(ctx.F32[1], ctx.OpLoad(ctx.U1, ctx.front_face),
ctx.OpBitcast(ctx.F32[1], ctx.Const(std::numeric_limits<u32>::max())),
@ -380,6 +384,10 @@ Id EmitGetAttributeU32(EmitContext& ctx, IR::Attribute attr, Id) {
const Id base{ctx.OpLoad(ctx.U32[1], ctx.base_vertex)};
return ctx.OpISub(ctx.U32[1], index, base);
}
case IR::Attribute::BaseInstance:
return ctx.OpLoad(ctx.U32[1], ctx.base_instance);
case IR::Attribute::BaseVertex:
return ctx.OpLoad(ctx.U32[1], ctx.base_vertex);
default:
throw NotImplementedException("Read U32 attribute {}", attr);
}

10
src/shader_recompiler/backend/spirv/spirv_emit_context.cpp
View file

@ -1379,18 +1379,28 @@ void EmitContext::DefineInputs(const IR::Program& program) {
if (loads[IR::Attribute::InstanceId]) {
if (profile.support_vertex_instance_id) {
instance_id = DefineInput(*this, U32[1], true, spv::BuiltIn::InstanceId);
if (loads[IR::Attribute::BaseInstance]) {
base_instance = DefineInput(*this, U32[1], true, spv::BuiltIn::BaseVertex);
}
} else {
instance_index = DefineInput(*this, U32[1], true, spv::BuiltIn::InstanceIndex);
base_instance = DefineInput(*this, U32[1], true, spv::BuiltIn::BaseInstance);
}
} else if (loads[IR::Attribute::BaseInstance]) {
base_instance = DefineInput(*this, U32[1], true, spv::BuiltIn::BaseInstance);
}
if (loads[IR::Attribute::VertexId]) {
if (profile.support_vertex_instance_id) {
vertex_id = DefineInput(*this, U32[1], true, spv::BuiltIn::VertexId);
if (loads[IR::Attribute::BaseVertex]) {
base_vertex = DefineInput(*this, U32[1], true, spv::BuiltIn::BaseVertex);
}
} else {
vertex_index = DefineInput(*this, U32[1], true, spv::BuiltIn::VertexIndex);
base_vertex = DefineInput(*this, U32[1], true, spv::BuiltIn::BaseVertex);
}
} else if (loads[IR::Attribute::BaseVertex]) {
base_vertex = DefineInput(*this, U32[1], true, spv::BuiltIn::BaseVertex);
}
if (loads[IR::Attribute::FrontFace]) {
front_face = DefineInput(*this, U1, true, spv::BuiltIn::FrontFacing);

5
src/shader_recompiler/environment.h
View file

@ -34,6 +34,11 @@ public:
[[nodiscard]] virtual std::array<u32, 3> WorkgroupSize() const = 0;
[[nodiscard]] virtual bool HasHLEMacroState() const = 0;
[[nodiscard]] virtual std::optional<ReplaceConstant> GetReplaceConstBuffer(
u32 bank, u32 offset) = 0;
virtual void Dump(u64 hash) = 0;
[[nodiscard]] const ProgramHeader& SPH() const noexcept {

4
src/shader_recompiler/frontend/ir/attribute.cpp
View file

@ -446,6 +446,10 @@ std::string NameOf(Attribute attribute) {
return "ViewportMask";
case Attribute::FrontFace:
return "FrontFace";
case Attribute::BaseInstance:
return "BaseInstance";
case Attribute::BaseVertex:
return "BaseVertex";
}
return fmt::format("<reserved attribute {}>", static_cast<int>(attribute));
}

4
src/shader_recompiler/frontend/ir/attribute.h
View file

@ -219,6 +219,10 @@ enum class Attribute : u64 {
FixedFncTexture9Q = 231,
ViewportMask = 232,
FrontFace = 255,
// Implementation attributes
BaseInstance = 256,
BaseVertex = 257,
};
constexpr size_t NUM_GENERICS = 32;

8
src/shader_recompiler/frontend/ir/ir_emitter.cpp
View file

@ -294,6 +294,14 @@ F32 IREmitter::GetAttribute(IR::Attribute attribute, const U32& vertex) {
return Inst<F32>(Opcode::GetAttribute, attribute, vertex);
}
U32 IREmitter::GetAttributeU32(IR::Attribute attribute) {
return GetAttributeU32(attribute, Imm32(0));
}
U32 IREmitter::GetAttributeU32(IR::Attribute attribute, const U32& vertex) {
return Inst<U32>(Opcode::GetAttributeU32, attribute, vertex);
}
void IREmitter::SetAttribute(IR::Attribute attribute, const F32& value, const U32& vertex) {
Inst(Opcode::SetAttribute, attribute, value, vertex);
}

2
src/shader_recompiler/frontend/ir/ir_emitter.h
View file

@ -74,6 +74,8 @@ public:
[[nodiscard]] F32 GetAttribute(IR::Attribute attribute);
[[nodiscard]] F32 GetAttribute(IR::Attribute attribute, const U32& vertex);
[[nodiscard]] U32 GetAttributeU32(IR::Attribute attribute);
[[nodiscard]] U32 GetAttributeU32(IR::Attribute attribute, const U32& vertex);
void SetAttribute(IR::Attribute attribute, const F32& value, const U32& vertex);
[[nodiscard]] F32 GetAttributeIndexed(const U32& phys_address);

2
src/shader_recompiler/frontend/maxwell/translate_program.cpp
View file

@ -219,7 +219,7 @@ IR::Program TranslateProgram(ObjectPool<IR::Inst>& inst_pool, ObjectPool<IR::Blo
}
Optimization::SsaRewritePass(program);
Optimization::ConstantPropagationPass(program);
Optimization::ConstantPropagationPass(env, program);
Optimization::PositionPass(env, program);

45
src/shader_recompiler/ir_opt/constant_propagation_pass.cpp
View file

@ -7,6 +7,7 @@
#include <type_traits>
#include "common/bit_cast.h"
#include "shader_recompiler/environment.h"
#include "shader_recompiler/exception.h"
#include "shader_recompiler/frontend/ir/ir_emitter.h"
#include "shader_recompiler/frontend/ir/value.h"
@ -515,6 +516,8 @@ void FoldBitCast(IR::Inst& inst, IR::Opcode reverse) {
case IR::Attribute::PrimitiveId:
case IR::Attribute::InstanceId:
case IR::Attribute::VertexId:
case IR::Attribute::BaseVertex:
case IR::Attribute::BaseInstance:
break;
default:
return;
@ -644,7 +647,37 @@ void FoldFSwizzleAdd(IR::Block& block, IR::Inst& inst) {
}
}
void ConstantPropagation(IR::Block& block, IR::Inst& inst) {
void FoldConstBuffer(Environment& env, IR::Block& block, IR::Inst& inst) {
const IR::Value bank{inst.Arg(0)};
const IR::Value offset{inst.Arg(1)};
if (!bank.IsImmediate() || !offset.IsImmediate()) {
return;
}
const auto bank_value = bank.U32();
const auto offset_value = offset.U32();
auto replacement = env.GetReplaceConstBuffer(bank_value, offset_value);
if (!replacement) {
return;
}
const auto new_attribute = [replacement]() {
switch (*replacement) {
case ReplaceConstant::BaseInstance:
return IR::Attribute::BaseInstance;
case ReplaceConstant::BaseVertex:
return IR::Attribute::BaseVertex;
default:
throw NotImplementedException("Not implemented replacement variable {}", *replacement);
}
}();
IR::IREmitter ir{block, IR::Block::InstructionList::s_iterator_to(inst)};
if (inst.GetOpcode() == IR::Opcode::GetCbufU32) {
inst.ReplaceUsesWith(ir.GetAttributeU32(new_attribute));
} else {
inst.ReplaceUsesWith(ir.GetAttribute(new_attribute));
}
}
void ConstantPropagation(Environment& env, IR::Block& block, IR::Inst& inst) {
switch (inst.GetOpcode()) {
case IR::Opcode::GetRegister:
return FoldGetRegister(inst);
@ -789,18 +822,24 @@ void ConstantPropagation(IR::Block& block, IR::Inst& inst) {
IR::Opcode::CompositeInsertF16x4);
case IR::Opcode::FSwizzleAdd:
return FoldFSwizzleAdd(block, inst);
case IR::Opcode::GetCbufF32:
case IR::Opcode::GetCbufU32:
if (env.HasHLEMacroState()) {
return FoldConstBuffer(env, block, inst);
}
break;
default:
break;
}
}
} // Anonymous namespace
void ConstantPropagationPass(IR::Program& program) {
void ConstantPropagationPass(Environment& env, IR::Program& program) {
const auto end{program.post_order_blocks.rend()};
for (auto it = program.post_order_blocks.rbegin(); it != end; ++it) {
IR::Block* const block{*it};
for (IR::Inst& inst : block->Instructions()) {
ConstantPropagation(*block, inst);
ConstantPropagation(env, *block, inst);
}
}
}

2
src/shader_recompiler/ir_opt/passes.h
View file

@ -13,7 +13,7 @@ struct HostTranslateInfo;
namespace Shader::Optimization {
void CollectShaderInfoPass(Environment& env, IR::Program& program);
void ConstantPropagationPass(IR::Program& program);
void ConstantPropagationPass(Environment& env, IR::Program& program);
void DeadCodeEliminationPass(IR::Program& program);
void GlobalMemoryToStorageBufferPass(IR::Program& program);
void IdentityRemovalPass(IR::Program& program);

5
src/shader_recompiler/shader_info.h
View file

@ -16,6 +16,11 @@
namespace Shader {
enum class ReplaceConstant : u32 {
BaseInstance,
BaseVertex,
};
enum class TextureType : u32 {
Color1D,
ColorArray1D,

2
src/shader_recompiler/varying_state.h
View file

@ -11,7 +11,7 @@
namespace Shader {
struct VaryingState {
std::bitset<256> mask{};
std::bitset<512> mask{};
void Set(IR::Attribute attribute, bool state = true) {
mask[static_cast<size_t>(attribute)] = state;