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shader: Add partial rasterizer integration

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This commit is contained in:
ReinUsesLisp
2021-03-19 19:28:31 -03:00
committed by ameerj
parent 72990df7ba
commit 260743f371
54 changed files with 1929 additions and 568 deletions
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64
src/shader_recompiler/backend/spirv/emit_context.cpp
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@@ -62,18 +62,15 @@ void VectorTypes::Define(Sirit::Module& sirit_ctx, Id base_type, std::string_vie
}
}
EmitContext::EmitContext(const Profile& profile_, IR::Program& program)
EmitContext::EmitContext(const Profile& profile_, IR::Program& program, u32& binding)
: Sirit::Module(0x00010000), profile{profile_} {
AddCapability(spv::Capability::Shader);
DefineCommonTypes(program.info);
DefineCommonConstants();
DefineSpecialVariables(program.info);
u32 binding{};
DefineInterfaces(program.info, program.stage);
DefineConstantBuffers(program.info, binding);
DefineStorageBuffers(program.info, binding);
DefineTextures(program.info, binding);
DefineLabels(program);
}
@@ -96,6 +93,8 @@ Id EmitContext::Def(const IR::Value& value) {
return Constant(F32[1], value.F32());
case IR::Type::F64:
return Constant(F64[1], value.F64());
case IR::Type::Label:
return value.Label()->Definition<Id>();
default:
throw NotImplementedException("Immediate type {}", value.Type());
}
@@ -109,6 +108,9 @@ void EmitContext::DefineCommonTypes(const Info& info) {
F32.Define(*this, TypeFloat(32), "f32");
U32.Define(*this, TypeInt(32, false), "u32");
input_f32 = Name(TypePointer(spv::StorageClass::Input, F32[1]), "input_f32");
output_f32 = Name(TypePointer(spv::StorageClass::Output, F32[1]), "output_f32");
if (info.uses_int8) {
AddCapability(spv::Capability::Int8);
U8 = Name(TypeInt(8, false), "u8");
@@ -139,15 +141,20 @@ void EmitContext::DefineCommonConstants() {
u32_zero_value = Constant(U32[1], 0U);
}
void EmitContext::DefineSpecialVariables(const Info& info) {
const auto define{[this](Id type, spv::BuiltIn builtin, spv::StorageClass storage_class) {
const Id pointer_type{TypePointer(storage_class, type)};
const Id id{AddGlobalVariable(pointer_type, spv::StorageClass::Input)};
Decorate(id, spv::Decoration::BuiltIn, builtin);
return id;
}};
void EmitContext::DefineInterfaces(const Info& info, Stage stage) {
const auto define{
[this](Id type, std::optional<spv::BuiltIn> builtin, spv::StorageClass storage_class) {
const Id pointer_type{TypePointer(storage_class, type)};
const Id id{AddGlobalVariable(pointer_type, storage_class)};
if (builtin) {
Decorate(id, spv::Decoration::BuiltIn, *builtin);
}
interfaces.push_back(id);
return id;
}};
using namespace std::placeholders;
const auto define_input{std::bind(define, _1, _2, spv::StorageClass::Input)};
const auto define_output{std::bind(define, _1, _2, spv::StorageClass::Output)};
if (info.uses_workgroup_id) {
workgroup_id = define_input(U32[3], spv::BuiltIn::WorkgroupId);
@@ -155,6 +162,39 @@ void EmitContext::DefineSpecialVariables(const Info& info) {
if (info.uses_local_invocation_id) {
local_invocation_id = define_input(U32[3], spv::BuiltIn::LocalInvocationId);
}
if (info.loads_position) {
const bool is_fragment{stage != Stage::Fragment};
const spv::BuiltIn built_in{is_fragment ? spv::BuiltIn::Position : spv::BuiltIn::FragCoord};
input_position = define_input(F32[4], built_in);
}
for (size_t i = 0; i < info.loads_generics.size(); ++i) {
if (info.loads_generics[i]) {
// FIXME: Declare size from input
input_generics[i] = define_input(F32[4], std::nullopt);
Decorate(input_generics[i], spv::Decoration::Location, static_cast<u32>(i));
Name(input_generics[i], fmt::format("in_attr{}", i));
}
}
if (info.stores_position) {
output_position = define_output(F32[4], spv::BuiltIn::Position);
}
for (size_t i = 0; i < info.stores_generics.size(); ++i) {
if (info.stores_generics[i]) {
output_generics[i] = define_output(F32[4], std::nullopt);
Decorate(output_generics[i], spv::Decoration::Location, static_cast<u32>(i));
Name(output_generics[i], fmt::format("out_attr{}", i));
}
}
if (stage == Stage::Fragment) {
for (size_t i = 0; i < 8; ++i) {
if (!info.stores_frag_color[i]) {
continue;
}
frag_color[i] = define_output(F32[4], std::nullopt);
Decorate(frag_color[i], spv::Decoration::Location, static_cast<u32>(i));
Name(frag_color[i], fmt::format("frag_color{}", i));
}
}
}
void EmitContext::DefineConstantBuffers(const Info& info, u32& binding) {

18
src/shader_recompiler/backend/spirv/emit_context.h
View File

@@ -46,7 +46,7 @@ struct UniformDefinitions {
class EmitContext final : public Sirit::Module {
public:
explicit EmitContext(const Profile& profile, IR::Program& program);
explicit EmitContext(const Profile& profile, IR::Program& program, u32& binding);
~EmitContext();
[[nodiscard]] Id Def(const IR::Value& value);
@@ -71,6 +71,9 @@ public:
UniformDefinitions uniform_types;
Id input_f32{};
Id output_f32{};
Id storage_u32{};
std::array<UniformDefinitions, Info::MAX_CBUFS> cbufs{};
@@ -80,10 +83,21 @@ public:
Id workgroup_id{};
Id local_invocation_id{};
Id input_position{};
std::array<Id, 32> input_generics{};
Id output_position{};
std::array<Id, 32> output_generics{};
std::array<Id, 8> frag_color{};
Id frag_depth {};
std::vector<Id> interfaces;
private:
void DefineCommonTypes(const Info& info);
void DefineCommonConstants();
void DefineSpecialVariables(const Info& info);
void DefineInterfaces(const Info& info, Stage stage);
void DefineConstantBuffers(const Info& info, u32& binding);
void DefineConstantBuffers(const Info& info, Id UniformDefinitions::*member_type, u32 binding,
Id type, char type_char, u32 element_size);

46
src/shader_recompiler/backend/spirv/emit_spirv.cpp
View File

@@ -54,6 +54,8 @@ ArgType Arg(EmitContext& ctx, const IR::Value& arg) {
return arg.U32();
} else if constexpr (std::is_same_v<ArgType, IR::Block*>) {
return arg.Label();
} else if constexpr (std::is_same_v<ArgType, IR::Attribute>) {
return arg.Attribute();
}
}
@@ -197,8 +199,9 @@ Id PhiArgDef(EmitContext& ctx, IR::Inst* inst, size_t index) {
}
} // Anonymous namespace
std::vector<u32> EmitSPIRV(const Profile& profile, Environment& env, IR::Program& program) {
EmitContext ctx{profile, program};
std::vector<u32> EmitSPIRV(const Profile& profile, Environment& env, IR::Program& program,
u32& binding) {
EmitContext ctx{profile, program, binding};
const Id void_function{ctx.TypeFunction(ctx.void_id)};
const Id func{ctx.OpFunction(ctx.void_id, spv::FunctionControlMask::MaskNone, void_function)};
for (IR::Block* const block : program.blocks) {
@@ -208,28 +211,41 @@ std::vector<u32> EmitSPIRV(const Profile& profile, Environment& env, IR::Program
}
}
ctx.OpFunctionEnd();
boost::container::small_vector<Id, 32> interfaces;
const Info& info{program.info};
if (info.uses_workgroup_id) {
interfaces.push_back(ctx.workgroup_id);
}
if (info.uses_local_invocation_id) {
interfaces.push_back(ctx.local_invocation_id);
}
const std::span interfaces_span(interfaces.data(), interfaces.size());
ctx.AddEntryPoint(spv::ExecutionModel::GLCompute, func, "main", interfaces_span);
const std::array<u32, 3> workgroup_size{env.WorkgroupSize()};
ctx.AddExecutionMode(func, spv::ExecutionMode::LocalSize, workgroup_size[0], workgroup_size[1],
workgroup_size[2]);
const std::span interfaces(ctx.interfaces.data(), ctx.interfaces.size());
spv::ExecutionModel execution_model{};
switch (env.ShaderStage()) {
case Shader::Stage::Compute: {
const std::array<u32, 3> workgroup_size{env.WorkgroupSize()};
execution_model = spv::ExecutionModel::GLCompute;
ctx.AddExecutionMode(func, spv::ExecutionMode::LocalSize, workgroup_size[0],
workgroup_size[1], workgroup_size[2]);
break;
}
case Shader::Stage::VertexB:
execution_model = spv::ExecutionModel::Vertex;
break;
case Shader::Stage::Fragment:
execution_model = spv::ExecutionModel::Fragment;
ctx.AddExecutionMode(func, spv::ExecutionMode::OriginUpperLeft);
break;
default:
throw NotImplementedException("Stage {}", env.ShaderStage());
}
ctx.AddEntryPoint(execution_model, func, "main", interfaces);
SetupDenormControl(profile, program, ctx, func);
const Info& info{program.info};
if (info.uses_sampled_1d) {
ctx.AddCapability(spv::Capability::Sampled1D);
}
if (info.uses_sparse_residency) {
ctx.AddCapability(spv::Capability::SparseResidency);
}
if (info.uses_demote_to_helper_invocation) {
ctx.AddExtension("SPV_EXT_demote_to_helper_invocation");
ctx.AddCapability(spv::Capability::DemoteToHelperInvocationEXT);
}
// TODO: Track this usage
ctx.AddCapability(spv::Capability::ImageGatherExtended);

18
src/shader_recompiler/backend/spirv/emit_spirv.h
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@@ -16,18 +16,18 @@
namespace Shader::Backend::SPIRV {
[[nodiscard]] std::vector<u32> EmitSPIRV(const Profile& profile, Environment& env,
IR::Program& program);
IR::Program& program, u32& binding);
// Microinstruction emitters
Id EmitPhi(EmitContext& ctx, IR::Inst* inst);
void EmitVoid(EmitContext& ctx);
Id EmitIdentity(EmitContext& ctx, const IR::Value& value);
void EmitBranch(EmitContext& ctx, IR::Block* label);
void EmitBranchConditional(EmitContext& ctx, Id condition, IR::Block* true_label,
IR::Block* false_label);
void EmitLoopMerge(EmitContext& ctx, IR::Block* merge_label, IR::Block* continue_label);
void EmitSelectionMerge(EmitContext& ctx, IR::Block* merge_label);
void EmitBranch(EmitContext& ctx, Id label);
void EmitBranchConditional(EmitContext& ctx, Id condition, Id true_label, Id false_label);
void EmitLoopMerge(EmitContext& ctx, Id merge_label, Id continue_label);
void EmitSelectionMerge(EmitContext& ctx, Id merge_label);
void EmitReturn(EmitContext& ctx);
void EmitDemoteToHelperInvocation(EmitContext& ctx, Id continue_label);
void EmitGetRegister(EmitContext& ctx);
void EmitSetRegister(EmitContext& ctx);
void EmitGetPred(EmitContext& ctx);
@@ -41,10 +41,12 @@ Id EmitGetCbufS16(EmitContext& ctx, const IR::Value& binding, const IR::Value& o
Id EmitGetCbufU32(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset);
Id EmitGetCbufF32(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset);
Id EmitGetCbufU64(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset);
void EmitGetAttribute(EmitContext& ctx);
void EmitSetAttribute(EmitContext& ctx);
Id EmitGetAttribute(EmitContext& ctx, IR::Attribute attr);
void EmitSetAttribute(EmitContext& ctx, IR::Attribute attr, Id value);
void EmitGetAttributeIndexed(EmitContext& ctx);
void EmitSetAttributeIndexed(EmitContext& ctx);
void EmitSetFragColor(EmitContext& ctx, u32 index, u32 component, Id value);
void EmitSetFragDepth(EmitContext& ctx, Id value);
void EmitGetZFlag(EmitContext& ctx);
void EmitGetSFlag(EmitContext& ctx);
void EmitGetCFlag(EmitContext& ctx);

55
src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp
View File

@@ -5,6 +5,43 @@
#include "shader_recompiler/backend/spirv/emit_spirv.h"
namespace Shader::Backend::SPIRV {
namespace {
Id InputAttrPointer(EmitContext& ctx, IR::Attribute attr) {
const u32 element{static_cast<u32>(attr) % 4};
const auto element_id{[&] { return ctx.Constant(ctx.U32[1], element); }};
if (IR::IsGeneric(attr)) {
const u32 index{IR::GenericAttributeIndex(attr)};
return ctx.OpAccessChain(ctx.input_f32, ctx.input_generics.at(index), element_id());
}
switch (attr) {
case IR::Attribute::PositionX:
case IR::Attribute::PositionY:
case IR::Attribute::PositionZ:
case IR::Attribute::PositionW:
return ctx.OpAccessChain(ctx.input_f32, ctx.input_position, element_id());
default:
throw NotImplementedException("Read attribute {}", attr);
}
}
Id OutputAttrPointer(EmitContext& ctx, IR::Attribute attr) {
const u32 element{static_cast<u32>(attr) % 4};
const auto element_id{[&] { return ctx.Constant(ctx.U32[1], element); }};
if (IR::IsGeneric(attr)) {
const u32 index{IR::GenericAttributeIndex(attr)};
return ctx.OpAccessChain(ctx.output_f32, ctx.output_generics.at(index), element_id());
}
switch (attr) {
case IR::Attribute::PositionX:
case IR::Attribute::PositionY:
case IR::Attribute::PositionZ:
case IR::Attribute::PositionW:
return ctx.OpAccessChain(ctx.output_f32, ctx.output_position, element_id());
default:
throw NotImplementedException("Read attribute {}", attr);
}
}
} // Anonymous namespace
void EmitGetRegister(EmitContext&) {
throw NotImplementedException("SPIR-V Instruction");
@@ -87,12 +124,12 @@ Id EmitGetCbufU64(EmitContext& ctx, const IR::Value& binding, const IR::Value& o
return GetCbuf(ctx, ctx.U64, &UniformDefinitions::U64, sizeof(u64), binding, offset);
}
void EmitGetAttribute(EmitContext&) {
throw NotImplementedException("SPIR-V Instruction");
Id EmitGetAttribute(EmitContext& ctx, IR::Attribute attr) {
return ctx.OpLoad(ctx.F32[1], InputAttrPointer(ctx, attr));
}
void EmitSetAttribute(EmitContext&) {
throw NotImplementedException("SPIR-V Instruction");
void EmitSetAttribute(EmitContext& ctx, IR::Attribute attr, Id value) {
ctx.OpStore(OutputAttrPointer(ctx, attr), value);
}
void EmitGetAttributeIndexed(EmitContext&) {
@@ -103,6 +140,16 @@ void EmitSetAttributeIndexed(EmitContext&) {
throw NotImplementedException("SPIR-V Instruction");
}
void EmitSetFragColor(EmitContext& ctx, u32 index, u32 component, Id value) {
const Id component_id{ctx.Constant(ctx.U32[1], component)};
const Id pointer{ctx.OpAccessChain(ctx.output_f32, ctx.frag_color.at(index), component_id)};
ctx.OpStore(pointer, value);
}
void EmitSetFragDepth(EmitContext& ctx, Id value) {
ctx.OpStore(ctx.frag_depth, value);
}
void EmitGetZFlag(EmitContext&) {
throw NotImplementedException("SPIR-V Instruction");
}

23
src/shader_recompiler/backend/spirv/emit_spirv_control_flow.cpp
View File

@@ -6,26 +6,29 @@
namespace Shader::Backend::SPIRV {
void EmitBranch(EmitContext& ctx, IR::Block* label) {
ctx.OpBranch(label->Definition<Id>());
void EmitBranch(EmitContext& ctx, Id label) {
ctx.OpBranch(label);
}
void EmitBranchConditional(EmitContext& ctx, Id condition, IR::Block* true_label,
IR::Block* false_label) {
ctx.OpBranchConditional(condition, true_label->Definition<Id>(), false_label->Definition<Id>());
void EmitBranchConditional(EmitContext& ctx, Id condition, Id true_label, Id false_label) {
ctx.OpBranchConditional(condition, true_label, false_label);
}
void EmitLoopMerge(EmitContext& ctx, IR::Block* merge_label, IR::Block* continue_label) {
ctx.OpLoopMerge(merge_label->Definition<Id>(), continue_label->Definition<Id>(),
spv::LoopControlMask::MaskNone);
void EmitLoopMerge(EmitContext& ctx, Id merge_label, Id continue_label) {
ctx.OpLoopMerge(merge_label, continue_label, spv::LoopControlMask::MaskNone);
}
void EmitSelectionMerge(EmitContext& ctx, IR::Block* merge_label) {
ctx.OpSelectionMerge(merge_label->Definition<Id>(), spv::SelectionControlMask::MaskNone);
void EmitSelectionMerge(EmitContext& ctx, Id merge_label) {
ctx.OpSelectionMerge(merge_label, spv::SelectionControlMask::MaskNone);
}
void EmitReturn(EmitContext& ctx) {
ctx.OpReturn();
}
void EmitDemoteToHelperInvocation(EmitContext& ctx, Id continue_label) {
ctx.OpDemoteToHelperInvocationEXT();
ctx.OpBranch(continue_label);
}
} // namespace Shader::Backend::SPIRV