From 48a17298d76cd8ed3bf2b53aca1e1ac097693976 Mon Sep 17 00:00:00 2001 From: ReinUsesLisp Date: Sun, 23 May 2021 03:58:11 -0300 Subject: spirv: Support OpenGL uniform buffers and change bindings --- .../backend/spirv/emit_context.cpp | 102 +++++++++++++-------- src/shader_recompiler/backend/spirv/emit_context.h | 15 ++- src/shader_recompiler/backend/spirv/emit_spirv.cpp | 2 +- src/shader_recompiler/backend/spirv/emit_spirv.h | 2 +- .../backend/spirv/emit_spirv_context_get_set.cpp | 98 ++++++++++++++++---- 5 files changed, 163 insertions(+), 56 deletions(-) (limited to 'src/shader_recompiler') diff --git a/src/shader_recompiler/backend/spirv/emit_context.cpp b/src/shader_recompiler/backend/spirv/emit_context.cpp index 0459c3925..0eb400223 100644 --- a/src/shader_recompiler/backend/spirv/emit_context.cpp +++ b/src/shader_recompiler/backend/spirv/emit_context.cpp @@ -441,8 +441,13 @@ void VectorTypes::Define(Sirit::Module& sirit_ctx, Id base_type, std::string_vie } } -EmitContext::EmitContext(const Profile& profile_, IR::Program& program, u32& binding) +EmitContext::EmitContext(const Profile& profile_, IR::Program& program, Bindings& binding) : Sirit::Module(profile_.supported_spirv), profile{profile_}, stage{program.stage} { + const bool is_unified{profile.unified_descriptor_binding}; + u32& uniform_binding{is_unified ? binding.unified : binding.uniform_buffer}; + u32& storage_binding{is_unified ? binding.unified : binding.storage_buffer}; + u32& texture_binding{is_unified ? binding.unified : binding.texture}; + u32& image_binding{is_unified ? binding.unified : binding.image}; AddCapability(spv::Capability::Shader); DefineCommonTypes(program.info); DefineCommonConstants(); @@ -450,12 +455,12 @@ EmitContext::EmitContext(const Profile& profile_, IR::Program& program, u32& bin DefineLocalMemory(program); DefineSharedMemory(program); DefineSharedMemoryFunctions(program); - DefineConstantBuffers(program.info, binding); - DefineStorageBuffers(program.info, binding); - DefineTextureBuffers(program.info, binding); - DefineImageBuffers(program.info, binding); - DefineTextures(program.info, binding); - DefineImages(program.info, binding); + DefineConstantBuffers(program.info, uniform_binding); + DefineStorageBuffers(program.info, storage_binding); + DefineTextureBuffers(program.info, texture_binding); + DefineImageBuffers(program.info, image_binding); + DefineTextures(program.info, texture_binding); + DefineImages(program.info, image_binding); DefineAttributeMemAccess(program.info); DefineGlobalMemoryFunctions(program.info); DefineLabels(program); @@ -489,6 +494,20 @@ Id EmitContext::Def(const IR::Value& value) { } } +Id EmitContext::BitOffset8(const IR::Value& offset) { + if (offset.IsImmediate()) { + return Const((offset.U32() % 4) * 8); + } + return OpBitwiseAnd(U32[1], OpShiftLeftLogical(U32[1], Def(offset), Const(3u)), Const(24u)); +} + +Id EmitContext::BitOffset16(const IR::Value& offset) { + if (offset.IsImmediate()) { + return Const(((offset.U32() / 2) % 2) * 16); + } + return OpBitwiseAnd(U32[1], OpShiftLeftLogical(U32[1], Def(offset), Const(3u)), Const(16u)); +} + void EmitContext::DefineCommonTypes(const Info& info) { void_id = TypeVoid(); @@ -496,6 +515,7 @@ void EmitContext::DefineCommonTypes(const Info& info) { F32.Define(*this, TypeFloat(32), "f32"); U32.Define(*this, TypeInt(32, false), "u32"); + S32.Define(*this, TypeInt(32, true), "s32"); private_u32 = Name(TypePointer(spv::StorageClass::Private, U32[1]), "private_u32"); @@ -889,28 +909,36 @@ void EmitContext::DefineConstantBuffers(const Info& info, u32& binding) { if (info.constant_buffer_descriptors.empty()) { return; } - if (True(info.used_constant_buffer_types & IR::Type::U8)) { - DefineConstBuffers(*this, info, &UniformDefinitions::U8, binding, U8, 'u', sizeof(u8)); - DefineConstBuffers(*this, info, &UniformDefinitions::S8, binding, S8, 's', sizeof(s8)); - } - if (True(info.used_constant_buffer_types & IR::Type::U16)) { - DefineConstBuffers(*this, info, &UniformDefinitions::U16, binding, U16, 'u', sizeof(u16)); - DefineConstBuffers(*this, info, &UniformDefinitions::S16, binding, S16, 's', sizeof(s16)); - } - if (True(info.used_constant_buffer_types & IR::Type::U32)) { - DefineConstBuffers(*this, info, &UniformDefinitions::U32, binding, U32[1], 'u', - sizeof(u32)); - } - if (True(info.used_constant_buffer_types & IR::Type::F32)) { - DefineConstBuffers(*this, info, &UniformDefinitions::F32, binding, F32[1], 'f', - sizeof(f32)); - } - if (True(info.used_constant_buffer_types & IR::Type::U32x2)) { - DefineConstBuffers(*this, info, &UniformDefinitions::U32x2, binding, U32[2], 'u', - sizeof(u32[2])); - } - for (const ConstantBufferDescriptor& desc : info.constant_buffer_descriptors) { - binding += desc.count; + if (profile.support_descriptor_aliasing) { + if (True(info.used_constant_buffer_types & IR::Type::U8)) { + DefineConstBuffers(*this, info, &UniformDefinitions::U8, binding, U8, 'u', sizeof(u8)); + DefineConstBuffers(*this, info, &UniformDefinitions::S8, binding, S8, 's', sizeof(s8)); + } + if (True(info.used_constant_buffer_types & IR::Type::U16)) { + DefineConstBuffers(*this, info, &UniformDefinitions::U16, binding, U16, 'u', + sizeof(u16)); + DefineConstBuffers(*this, info, &UniformDefinitions::S16, binding, S16, 's', + sizeof(s16)); + } + if (True(info.used_constant_buffer_types & IR::Type::U32)) { + DefineConstBuffers(*this, info, &UniformDefinitions::U32, binding, U32[1], 'u', + sizeof(u32)); + } + if (True(info.used_constant_buffer_types & IR::Type::F32)) { + DefineConstBuffers(*this, info, &UniformDefinitions::F32, binding, F32[1], 'f', + sizeof(f32)); + } + if (True(info.used_constant_buffer_types & IR::Type::U32x2)) { + DefineConstBuffers(*this, info, &UniformDefinitions::U32x2, binding, U32[2], 'u', + sizeof(u32[2])); + } + binding += static_cast(info.constant_buffer_descriptors.size()); + } else { + DefineConstBuffers(*this, info, &UniformDefinitions::U32x4, binding, U32[4], 'u', + sizeof(u32[4])); + for (const ConstantBufferDescriptor& desc : info.constant_buffer_descriptors) { + binding += desc.count; + } } } @@ -920,35 +948,37 @@ void EmitContext::DefineStorageBuffers(const Info& info, u32& binding) { } AddExtension("SPV_KHR_storage_buffer_storage_class"); - if (True(info.used_storage_buffer_types & IR::Type::U8)) { + const IR::Type used_types{profile.support_descriptor_aliasing ? info.used_storage_buffer_types + : IR::Type::U32}; + if (True(used_types & IR::Type::U8)) { DefineSsbos(*this, storage_types.U8, &StorageDefinitions::U8, info, binding, U8, sizeof(u8)); DefineSsbos(*this, storage_types.S8, &StorageDefinitions::S8, info, binding, S8, sizeof(u8)); } - if (True(info.used_storage_buffer_types & IR::Type::U16)) { + if (True(used_types & IR::Type::U16)) { DefineSsbos(*this, storage_types.U16, &StorageDefinitions::U16, info, binding, U16, sizeof(u16)); DefineSsbos(*this, storage_types.S16, &StorageDefinitions::S16, info, binding, S16, sizeof(u16)); } - if (True(info.used_storage_buffer_types & IR::Type::U32)) { + if (True(used_types & IR::Type::U32)) { DefineSsbos(*this, storage_types.U32, &StorageDefinitions::U32, info, binding, U32[1], sizeof(u32)); } - if (True(info.used_storage_buffer_types & IR::Type::F32)) { + if (True(used_types & IR::Type::F32)) { DefineSsbos(*this, storage_types.F32, &StorageDefinitions::F32, info, binding, F32[1], sizeof(f32)); } - if (True(info.used_storage_buffer_types & IR::Type::U64)) { + if (True(used_types & IR::Type::U64)) { DefineSsbos(*this, storage_types.U64, &StorageDefinitions::U64, info, binding, U64, sizeof(u64)); } - if (True(info.used_storage_buffer_types & IR::Type::U32x2)) { + if (True(used_types & IR::Type::U32x2)) { DefineSsbos(*this, storage_types.U32x2, &StorageDefinitions::U32x2, info, binding, U32[2], sizeof(u32[2])); } - if (True(info.used_storage_buffer_types & IR::Type::U32x4)) { + if (True(used_types & IR::Type::U32x4)) { DefineSsbos(*this, storage_types.U32x4, &StorageDefinitions::U32x4, info, binding, U32[4], sizeof(u32[4])); } diff --git a/src/shader_recompiler/backend/spirv/emit_context.h b/src/shader_recompiler/backend/spirv/emit_context.h index c52544fb7..baf12c217 100644 --- a/src/shader_recompiler/backend/spirv/emit_context.h +++ b/src/shader_recompiler/backend/spirv/emit_context.h @@ -17,6 +17,14 @@ namespace Shader::Backend::SPIRV { using Sirit::Id; +struct Bindings { + u32 unified{}; + u32 uniform_buffer{}; + u32 storage_buffer{}; + u32 texture{}; + u32 image{}; +}; + class VectorTypes { public: void Define(Sirit::Module& sirit_ctx, Id base_type, std::string_view name); @@ -62,6 +70,7 @@ struct UniformDefinitions { Id U32{}; Id F32{}; Id U32x2{}; + Id U32x4{}; }; struct StorageTypeDefinition { @@ -101,11 +110,14 @@ struct GenericElementInfo { class EmitContext final : public Sirit::Module { public: - explicit EmitContext(const Profile& profile, IR::Program& program, u32& binding); + explicit EmitContext(const Profile& profile, IR::Program& program, Bindings& binding); ~EmitContext(); [[nodiscard]] Id Def(const IR::Value& value); + [[nodiscard]] Id BitOffset8(const IR::Value& offset); + [[nodiscard]] Id BitOffset16(const IR::Value& offset); + Id Const(u32 value) { return Constant(U32[1], value); } @@ -139,6 +151,7 @@ public: Id U64{}; VectorTypes F32; VectorTypes U32; + VectorTypes S32; VectorTypes F16; VectorTypes F64; diff --git a/src/shader_recompiler/backend/spirv/emit_spirv.cpp b/src/shader_recompiler/backend/spirv/emit_spirv.cpp index 815b3cd95..0cb075670 100644 --- a/src/shader_recompiler/backend/spirv/emit_spirv.cpp +++ b/src/shader_recompiler/backend/spirv/emit_spirv.cpp @@ -368,7 +368,7 @@ void PatchPhiNodes(IR::Program& program, EmitContext& ctx) { } } // Anonymous namespace -std::vector EmitSPIRV(const Profile& profile, IR::Program& program, u32& binding) { +std::vector EmitSPIRV(const Profile& profile, IR::Program& program, Bindings& binding) { EmitContext ctx{profile, program, binding}; const Id main{DefineMain(ctx, program)}; DefineEntryPoint(program, ctx, main); diff --git a/src/shader_recompiler/backend/spirv/emit_spirv.h b/src/shader_recompiler/backend/spirv/emit_spirv.h index c352bbd84..8f6482b7b 100644 --- a/src/shader_recompiler/backend/spirv/emit_spirv.h +++ b/src/shader_recompiler/backend/spirv/emit_spirv.h @@ -14,7 +14,7 @@ namespace Shader::Backend::SPIRV { [[nodiscard]] std::vector EmitSPIRV(const Profile& profile, IR::Program& program, - u32& binding); + Bindings& binding); // Microinstruction emitters Id EmitPhi(EmitContext& ctx, IR::Inst* inst); diff --git a/src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp b/src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp index 29da2ef70..ef32184ea 100644 --- a/src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp +++ b/src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp @@ -121,7 +121,7 @@ std::optional 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 IR::Value& binding, const IR::Value& offset, bool check_alignment = true) { if (!binding.IsImmediate()) { throw NotImplementedException("Constant buffer indexing"); } @@ -137,13 +137,31 @@ Id GetCbuf(EmitContext& ctx, Id result_type, Id UniformDefinitions::*member_ptr, const Id access_chain{ctx.OpAccessChain(uniform_type, cbuf, ctx.u32_zero_value, index)}; return ctx.OpLoad(result_type, access_chain); } - if (offset.U32() % element_size != 0) { + if (check_alignment && offset.U32() % element_size != 0) { throw NotImplementedException("Unaligned immediate constant buffer load"); } const Id imm_offset{ctx.Const(offset.U32() / element_size)}; const Id access_chain{ctx.OpAccessChain(uniform_type, cbuf, ctx.u32_zero_value, imm_offset)}; return ctx.OpLoad(result_type, access_chain); } + +Id GetCbufU32x4(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset) { + return GetCbuf(ctx, ctx.U32[4], &UniformDefinitions::U32x4, sizeof(u32[4]), binding, offset, + false); +} + +Id GetCbufElement(EmitContext& ctx, Id vector, const IR::Value& offset, u32 index_offset) { + if (offset.IsImmediate()) { + const u32 element{(offset.U32() / 4) % 4 + index_offset}; + return ctx.OpCompositeExtract(ctx.U32[1], vector, element); + } + const Id shift{ctx.OpShiftRightArithmetic(ctx.U32[1], ctx.Def(offset), ctx.Const(2u))}; + Id element{ctx.OpBitwiseAnd(ctx.U32[1], shift, ctx.Const(3u))}; + if (index_offset > 0) { + element = ctx.OpIAdd(ctx.U32[1], element, ctx.Const(index_offset)); + } + return ctx.OpVectorExtractDynamic(ctx.U32[1], vector, element); +} } // Anonymous namespace void EmitGetRegister(EmitContext&) { @@ -179,40 +197,86 @@ void EmitGetIndirectBranchVariable(EmitContext&) { } Id EmitGetCbufU8(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset) { - const Id load{GetCbuf(ctx, ctx.U8, &UniformDefinitions::U8, sizeof(u8), binding, offset)}; - return ctx.OpUConvert(ctx.U32[1], load); + if (ctx.profile.support_descriptor_aliasing) { + const Id load{GetCbuf(ctx, ctx.U8, &UniformDefinitions::U8, sizeof(u8), binding, offset)}; + return ctx.OpUConvert(ctx.U32[1], load); + } else { + const Id vector{GetCbufU32x4(ctx, binding, offset)}; + const Id element{GetCbufElement(ctx, vector, offset, 0u)}; + const Id bit_offset{ctx.BitOffset8(offset)}; + return ctx.OpBitFieldUExtract(ctx.U32[1], element, bit_offset, ctx.Const(8u)); + } } Id EmitGetCbufS8(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset) { - const Id load{GetCbuf(ctx, ctx.S8, &UniformDefinitions::S8, sizeof(s8), binding, offset)}; - return ctx.OpSConvert(ctx.U32[1], load); + if (ctx.profile.support_descriptor_aliasing) { + const Id load{GetCbuf(ctx, ctx.S8, &UniformDefinitions::S8, sizeof(s8), binding, offset)}; + return ctx.OpSConvert(ctx.U32[1], load); + } else { + const Id vector{GetCbufU32x4(ctx, binding, offset)}; + const Id element{GetCbufElement(ctx, vector, offset, 0u)}; + const Id bit_offset{ctx.BitOffset8(offset)}; + return ctx.OpBitFieldSExtract(ctx.U32[1], element, bit_offset, ctx.Const(8u)); + } } Id EmitGetCbufU16(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset) { - const Id load{GetCbuf(ctx, ctx.U16, &UniformDefinitions::U16, sizeof(u16), binding, offset)}; - return ctx.OpUConvert(ctx.U32[1], load); + if (ctx.profile.support_descriptor_aliasing) { + const Id load{ + GetCbuf(ctx, ctx.U16, &UniformDefinitions::U16, sizeof(u16), binding, offset)}; + return ctx.OpUConvert(ctx.U32[1], load); + } else { + const Id vector{GetCbufU32x4(ctx, binding, offset)}; + const Id element{GetCbufElement(ctx, vector, offset, 0u)}; + const Id bit_offset{ctx.BitOffset16(offset)}; + return ctx.OpBitFieldUExtract(ctx.U32[1], element, bit_offset, ctx.Const(16u)); + } } Id EmitGetCbufS16(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset) { - const Id load{GetCbuf(ctx, ctx.S16, &UniformDefinitions::S16, sizeof(s16), binding, offset)}; - return ctx.OpSConvert(ctx.U32[1], load); + if (ctx.profile.support_descriptor_aliasing) { + const Id load{ + GetCbuf(ctx, ctx.S16, &UniformDefinitions::S16, sizeof(s16), binding, offset)}; + return ctx.OpSConvert(ctx.U32[1], load); + } else { + const Id vector{GetCbufU32x4(ctx, binding, offset)}; + const Id element{GetCbufElement(ctx, vector, offset, 0u)}; + const Id bit_offset{ctx.BitOffset16(offset)}; + return ctx.OpBitFieldSExtract(ctx.U32[1], element, bit_offset, ctx.Const(16u)); + } } Id EmitGetCbufU32(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset) { - return GetCbuf(ctx, ctx.U32[1], &UniformDefinitions::U32, sizeof(u32), binding, offset); + if (ctx.profile.support_descriptor_aliasing) { + return GetCbuf(ctx, ctx.U32[1], &UniformDefinitions::U32, sizeof(u32), binding, offset); + } else { + const Id vector{GetCbufU32x4(ctx, binding, offset)}; + return GetCbufElement(ctx, vector, offset, 0u); + } } Id EmitGetCbufF32(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset) { - return GetCbuf(ctx, ctx.F32[1], &UniformDefinitions::F32, sizeof(f32), binding, offset); + if (ctx.profile.support_descriptor_aliasing) { + return GetCbuf(ctx, ctx.F32[1], &UniformDefinitions::F32, sizeof(f32), binding, offset); + } else { + const Id vector{GetCbufU32x4(ctx, binding, offset)}; + return ctx.OpBitcast(ctx.F32[1], GetCbufElement(ctx, vector, offset, 0u)); + } } Id EmitGetCbufU32x2(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset) { - return GetCbuf(ctx, ctx.U32[2], &UniformDefinitions::U32x2, sizeof(u32[2]), binding, offset); + if (ctx.profile.support_descriptor_aliasing) { + return GetCbuf(ctx, ctx.U32[2], &UniformDefinitions::U32x2, sizeof(u32[2]), binding, + offset); + } else { + const Id vector{GetCbufU32x4(ctx, binding, offset)}; + return ctx.OpCompositeConstruct(ctx.U32[2], GetCbufElement(ctx, vector, offset, 0u), + GetCbufElement(ctx, vector, offset, 1u)); + } } Id EmitGetAttribute(EmitContext& ctx, IR::Attribute attr, Id vertex) { const u32 element{static_cast(attr) % 4}; - const auto element_id{[&] { return ctx.Const(element); }}; if (IR::IsGeneric(attr)) { const u32 index{IR::GenericAttributeIndex(attr)}; const std::optional type{AttrTypes(ctx, index)}; @@ -221,7 +285,7 @@ Id EmitGetAttribute(EmitContext& ctx, IR::Attribute attr, Id vertex) { return ctx.Const(0.0f); } const Id generic_id{ctx.input_generics.at(index)}; - const Id pointer{AttrPointer(ctx, type->pointer, vertex, generic_id, element_id())}; + const Id pointer{AttrPointer(ctx, type->pointer, vertex, generic_id, ctx.Const(element))}; const Id value{ctx.OpLoad(type->id, pointer)}; return type->needs_cast ? ctx.OpBitcast(ctx.F32[1], value) : value; } @@ -232,8 +296,8 @@ Id EmitGetAttribute(EmitContext& ctx, IR::Attribute attr, Id vertex) { case IR::Attribute::PositionY: case IR::Attribute::PositionZ: case IR::Attribute::PositionW: - return ctx.OpLoad( - ctx.F32[1], AttrPointer(ctx, ctx.input_f32, vertex, ctx.input_position, element_id())); + return ctx.OpLoad(ctx.F32[1], AttrPointer(ctx, ctx.input_f32, vertex, ctx.input_position, + ctx.Const(element))); case IR::Attribute::InstanceId: if (ctx.profile.support_vertex_instance_id) { return ctx.OpBitcast(ctx.F32[1], ctx.OpLoad(ctx.U32[1], ctx.instance_id)); -- cgit v1.2.3